diff --git a/dist/xeokit-bim-viewer.es.js b/dist/xeokit-bim-viewer.es.js
index 992543d6..a525d2ee 100644
--- a/dist/xeokit-bim-viewer.es.js
+++ b/dist/xeokit-bim-viewer.es.js
@@ -9678,7 +9678,7 @@ const tempVec4b$6 = math.vec4();
  * });
  *
  * // Create the Marker, associated with our Mesh Entity
- * const myMarker = new Marker({
+ * const myMarker = new Marker(viewer, {
  *      entity: entity,
  *      worldPos: [10,0,0],
  *      occludable: true
@@ -84802,8 +84802,8 @@ function getCanvasPosFromEvent$2(event, canvas, canvasPos) {
         canvasPos[1] = event.y;
     } else {
         const { left, top } = canvas.getBoundingClientRect();
-        canvasPos[0] = event.clientX - left - window.scrollX;
-        canvasPos[1] = event.clientY - top - window.scrollY;
+        canvasPos[0] = event.clientX - left;
+        canvasPos[1] = event.clientY - top;
     }
     return canvasPos;
 }
diff --git a/dist/xeokit-bim-viewer.min.es.js b/dist/xeokit-bim-viewer.min.es.js
index 15977b5f..271a0c67 100644
--- a/dist/xeokit-bim-viewer.min.es.js
+++ b/dist/xeokit-bim-viewer.min.es.js
@@ -15,7 +15,7 @@ let eA=null;function tA(e,t){let i;for(let s=0;s<3;s++)if(0!=(i=eA[3*e+s]-eA[3*t
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let rA=null;function oA(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=rA[i],o=rA[i+1],n=rA[i+2]),c=Math.min(a=rA[s],l=rA[s+1],A=rA[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let nA=null;function aA(e,t){let i=nA[2*e]-nA[2*t];return 0!==i?i:nA[2*e+1]-nA[2*t+1]}function lA(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;rA=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)rA[i]=e[i]>>t;i.sort(oA);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}nA=new Int32Array(e),t.sort(aA);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,g=2*s.length+(r.length+o.length)*d;let m=0,f=-s.length/3;return h.forEach((e=>{m+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,f+=e.positionsCompressed.length/3})),m>g?[e]:(i&&function(e,t){const i={};let s=0;e.forEach((e=>{const t=e.indices,r=e.edgeIndices,o=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=o[3*t[e]]+"_"+o[3*t[e]+1]+"_"+o[3*t[e]+2]+"/"+o[3*t[e+1]]+"_"+o[3*t[e+1]+1]+"_"+o[3*t[e+1]+2]+"/"+o[3*t[e+2]]+"_"+o[3*t[e+2]+1]+"_"+o[3*t[e+2]+2];i[s]=!0}s+=e.edgeIndices.length/2;for(let e=0,t=r.length;e<t;e+=2)o[3*r[e]],o[3*r[e]+1],o[3*r[e]+2],o[3*r[e+1]],o[3*r[e+1]+1],o[3*r[e+1]+2]}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const AA=u.vec4(4),hA=u.vec4(),cA=u.vec4(),uA=u.vec3([1,0,0]),dA=u.vec3([0,1,0]),pA=u.vec3([0,0,1]);u.vec3(3),u.vec3(3);const gA=u.identityMat4();class mA{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=u.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=u.identityMat4(new Float32Array(16)),this._worldMatrix=u.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),u.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),u.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=u.identityMat4()),this._localMatrix.set(e||gA),u.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=u.identityMat4()),u.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return AA[0]=e[0],AA[1]=e[1],AA[2]=e[2],AA[3]=t*u.DEGTORAD,u.angleAxisToQuaternion(AA,hA),u.mulQuaternions(this.quaternion,hA,cA),this.quaternion=cA,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return AA[0]=e[0],AA[1]=e[1],AA[2]=e[2],AA[3]=t*u.DEGTORAD,u.angleAxisToQuaternion(AA,hA),u.mulQuaternions(hA,this.quaternion,hA),this}rotateX(e){return this.rotate(uA,e)}rotateY(e){return this.rotate(dA,e)}rotateZ(e){return this.rotate(pA,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)u.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const fA=u.vec3(),_A=u.OBB3(),vA=u.vec3([1,1,1]),bA=u.vec3([0,0,0]),xA=u.vec3([0,0,0]),wA=u.identityQuaternion(),yA=u.identityMat4(),PA=new Uint8Array([255,255,255]);class BA extends I{constructor(e,t={}){super(e,t),this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(ys++,ws),this._textureTranscoder=t.textureTranscoder||function(e){const t=e.scene.id;let i=$l[t];return i||(i=new Jl({viewer:e}),$l[t]=i,e.scene.on("destroyed",(()=>{delete $l[t],i.destroy()}))),i}(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=u.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._entityList=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new Ii,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._edgeThreshold=t.edgeThreshold||10,this._origin=u.vec3(t.origin||[0,0,0]),this._position=u.vec3(t.position||[0,0,0]),this._rotation=u.vec3(t.rotation||[0,0,0]),this._quaternion=u.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=u.vec4(t.quaternion||[0,0,0,1]),t.rotation&&u.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=u.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=u.mat4(),this._worldRotationMatrixConjugate=u.mat4(),this._matrix=u.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=u.mat4(),u.inverseMat4(this._matrix,this._worldNormalMatrix),u.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=u.mat4(),this._viewNormalMatrix=u.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new Gl({id:"defaultColorTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new Gl({id:"defaultMetalRoughTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new Gl({id:"defaultNormalsTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new Gl({id:"defaultEmissiveTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new Gl({id:"defaultOcclusionTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new zl({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),u.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),u.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||yA),u.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),u.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),u.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),u.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(u.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),u.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),u.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),u.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(u.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),u.inverseMat4(this._viewMatrix,this._viewNormalMatrix),u.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(u.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),u.inverseMat4(this._viewMatrix,this._viewNormalMatrix),u.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),u.inverseMat4(this._viewMatrix,this._viewNormalMatrix),u.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){u.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)u.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:fr(e.aabb,u.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=fr(e.positionsDecodeBoundary,u.mat4())),e.positions){const t=u.collapseAABB3();e.positionsDecodeMatrix=u.mat4(),u.expandAABB3Points3(t,e.positions),e.positionsCompressed=mr(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=u.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),u.expandAABB3Points3(t,e.positionsCompressed),Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=u.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?u.expandAABB3Points3(t,s.positions):s.positionsCompressed&&u.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=xt(e.positions,e.indices,null,5):e.edgeIndices=xt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Et.getUVBounds(e.uv),i=Et.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new rs({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?f.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new Gl({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new zl({id:t,model:this,colorTexture:i,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new mA({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?u.addVec3(this._origin,e.origin,u.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){const t=e.scale||vA,i=e.position||bA,s=e.rotation||xA;u.eulerToQuaternion(s,"XYZ",wA),e.meshMatrix=u.composeMat4(i,wA,t,u.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=fr(e.positionsDecodeBoundary,u.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):PA,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=u.vec3(),i=[];H(e.positions,i,t)&&(e.positions=i,e.origin=u.addVec3(e.origin,t,t))}if(e.positions){const t=u.collapseAABB3();e.positionsDecodeMatrix=u.mat4(),u.expandAABB3Points3(t,e.positions),e.positionsCompressed=mr(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=u.collapseAABB3();u.expandAABB3Points3(t,e.positionsCompressed),Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=u.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?u.expandAABB3Points3(t,s.positions):s.positionsCompressed&&u.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(u.AABB3ToOBB3(e.aabb,_A),u.transformOBB3(e.meshMatrix,_A),u.OBB3ToAABB3(_A,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=xt(e.positions,e.indices,null,2):e.edgeIndices=xt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=CA(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];H(e.positions,t,fA)&&(e.positions=t,e.origin=u.addVec3(e.origin,fA,u.vec3()))}if(e.positions){const t=u.collapseAABB3();e.meshMatrix&&(u.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),u.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=u.collapseAABB3();u.expandAABB3Points3(t,e.positionsCompressed),Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(u.AABB3ToOBB3(e.aabb,_A),u.transformOBB3(e.meshMatrix,_A),u.OBB3ToAABB3(_A,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=xt(e.positions,e.indices,null,2):e.edgeIndices=xt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?u.addVec3(this._origin,e.origin,u.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix.slice();else{const t=e.scale||vA,i=e.position||bA,s=e.rotation||xA;u.eulerToQuaternion(s,"XYZ",wA),e.meshMatrix=u.composeMat4(i,wA,t,u.mat4())}u.AABB3ToOBB3(e.geometry.aabb,_A),u.transformOBB3(e.meshMatrix,_A),e.aabb=u.OBB3ToAABB3(_A,u.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):PA,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=CA(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):PA,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createMesh(e){const t=new xs(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=u.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;r.finalize(),delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new Hl(this,{layerIndex:0,origin:t});break;case"lines":r=new ba(this,{layerIndex:0,origin:t});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin,s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new Ir({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":n=new Vo({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":n=new In({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new wo({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new wo({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new ln({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new ta({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),n}createEntity(e){if(void 0===e.id?e.id=u.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=u.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;this._visible&&!1!==e.visible&&(t|=G),this._pickable&&!1!==e.pickable&&(t|=K),this._culled&&!1!==e.culled&&(t|=W),this._clippable&&!1!==e.clippable&&(t|=X),this._collidable&&!1!==e.collidable&&(t|=Y),this._edges&&!1!==e.edges&&(t|=$),this._xrayed&&!1!==e.xrayed&&(t|=q),this._highlighted&&!1!==e.highlighted&&(t|=Z),this._selected&&!1!==e.selected&&(t|=J),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ie(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(i),this._entities[e.id]=i,this.numEntities++}finalize(){if(!this.destroyed){this._createDummyEntityForUnusedMeshes();for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize()}for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize2()}this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position}}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-dummyEntityForUnusedMeshes`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorOpaque(t,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==ys&&(ys--,0===ys&&ws._clear()),super.destroy()}}function CA(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=sA({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=lA({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class MA extends I{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new BA(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const EA=u.vec3(),FA=u.vec3(),IA=u.vec3(),DA=u.vec3();class SA extends N{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=u.normalizeVec3(u.subVec3(i.look,i.eye,u.vec3())),a=i.eye,l=i.up;i.yUp&&(n=LA(n),a=LA(a),l=LA(l));const A=TA(u.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:TA(n),camera_up_vector:TA(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:TA(n),camera_up_vector:TA(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?u.negateVec3(t.dir,u.vec3()):t.dir,i.yUp&&(a=LA(a),n=LA(n)),u.addVec3(a,s),a=TA(a),n=TA(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const d=t.bitmaps;for(let e in d)if(d.hasOwnProperty(e)){let t=d[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=LA(r),n=LA(n),a=LA(a)),u.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:TA(r),normal:TA(n),up:TA(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),g=new Set(t.xrayedObjectIds),m=new Set(t.colorizedObjectIds),f=Object.values(t.objects).filter((e=>p.has(e.id)||m.has(e.id)||g.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(f).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,x=t.visibleObjectIds,w=v.filter((e=>!b[e])),y=t.selectedObjectIds;return e.defaultInvisible||x.length<w.length?(o.components.visibility.exceptions=this._createBCFComponents(x),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(w),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(y),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=RA(e.location,EA),i=RA(e.direction,EA);A&&u.negateVec3(i),u.subVec3(t,l),r.yUp&&(t=UA(t),i=UA(i)),new Gi(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new MA(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=RA(e.location,FA),n=RA(e.normal,IA),a=RA(e.up,DA),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=UA(o),n=UA(n),a=UA(a)),new fs(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=RA(e.perspective_camera.camera_view_point,EA),A=RA(e.perspective_camera.camera_direction,EA),h=RA(e.perspective_camera.camera_up_vector,EA),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=RA(e.orthogonal_camera.camera_view_point,EA),A=RA(e.orthogonal_camera.camera_direction,EA),h=RA(e.orthogonal_camera.camera_up_vector,EA),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),u.subVec3(a,l),r.yUp&&(a=UA(a),A=UA(A),h=UA(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:u.addVec3(a,A,EA)}else A=u.addVec3(a,A,EA);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=u.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function TA(e){return{x:e[0],y:e[1],z:e[2]}}function RA(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function LA(e){return new Float64Array([e[0],-e[2],e[1]])}function UA(e){return new Float64Array([e[0],e[2],-e[1]])}const kA=u.vec3(),OA=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class NA extends I{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originMarker=new oe(i,t.origin),this._targetMarker=new oe(i,t.target),this._originWorld=u.vec3(),this._targetWorld=u.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new ae(this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new ae(this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new ne(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new ne(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new ne(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new ne(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new le(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new le(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new le(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new le(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originMarker.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetMarker.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._targetWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(u.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originMarker.viewPos[2],i=this._targetMarker.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){u.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],c=0;const i=this.plugin.viewer.scene.metrics,g=i.scale,m=i.units,f=i.unitsInfo[m].abbrev;for(var d=0,p=s.length;d<p;d+=4)r[c]=a+Math.floor((1+s[d+0]/s[d+3])*A/2),r[c+1]=n+Math.floor((1-s[d+1]/s[d+3])*h/2),c+=2;if(this._originDot.setPos(r[0],r[1]),this._targetDot.setPos(r[6],r[7]),this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(u.lenVec3(u.subVec3(this._targetWorld,this._originWorld,kA))),this._lengthLabel.setText(e+(this._length*g).toFixed(2)+f);const t=Math.abs(OA(r[0],r[1],r[2],r[3])),i=Math.abs(OA(r[2],r[3],r[4],r[5])),s=Math.abs(OA(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs((this._targetWorld[0]-this._originWorld[0])*g).toFixed(2)+f),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs((this._targetWorld[1]-this._originWorld[1])*g).toFixed(2)+f),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):(this._zAxisLabel.setText(e+Math.abs((this._targetWorld[2]-this._originWorld[2])*g).toFixed(2)+f),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(u.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originMarker}get target(){return this._targetMarker}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled),this._lengthLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class QA extends I{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}destroy(){}}class VA extends QA{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._onCameraControlHoverSnapOrSurface=null,this._onCameraControlHoverSnapOrSurfaceOff=null,this._onMouseDown=null,this._onMouseUp=null,this._onCanvasTouchStart=null,this._onCanvasTouchEnd=null,this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div");e.setAttribute("id","myMarkerDiv");const t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){if(this._markerDiv){const e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this._markerDiv=null}}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){e!==this._snapping?(this._snapping=e,this.deactivate(),this.activate()):this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=u.vec3(),n=u.vec2();let a,l;let A=null;this._mouseState=0;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==s.parentNode&&h(e.offsetParent)),c=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==s.parentNode&&c(e.offsetParent)),d=u.vec2();this._onCameraControlHoverSnapOrSurface=i.on(this._snapping?"hoverSnapOrSurface":"hoverSurface",(e=>{const t=e.snappedCanvasPos||e.canvasPos;r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState?(this._canvasToPagePos?(this._canvasToPagePos(s,t,d),this._markerDiv.style.left=d[0]-5+"px",this._markerDiv.style.top=d[1]-5+"px"):(this._markerDiv.style.left=c(s)+t[0]-5+"px",this._markerDiv.style.top=h(s)+t[1]-5+"px"),this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity):(this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px"),s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:u.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))}),this._onCameraControlHoverSnapOrSurfaceOff=i.on(this._snapping?"hoverSnapOrSurfaceOff":"hoverOff",(e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this._markerDiv&&this._destroyMarkerDiv(),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onCameraControlHoverSnapOrSurface),t.off(this._onCameraControlHoverSnapOrSurfaceOff),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null))}destroy(){this.deactivate(),super.destroy()}}class jA extends N{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new VA(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new NA(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class HA extends N{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor||1,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e||1}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class zA{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=GA(e,i);return s?t?WA(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=GA(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=WA(r,[t]),i&&(r=WA(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function GA(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function WA(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}u.vec3();const KA=u.vec3(),XA=u.vec3(),YA=u.vec3(),qA=u.vec3(),ZA=u.vec3();class JA extends I{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=u.vec3(),this._eye1=u.vec3(),this._up1=u.vec3(),this._look2=u.vec3(),this._eye2=u.vec3(),this._up2=u.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((f.isNumeric(s)||f.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+f.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=u.getAABB3Center(o);this._look2=h||t;const i=u.subVec3(this._eye1,this._look1,KA),s=u.normalizeVec3(i),r=h?u.getAABB3DiagPoint(o,h):u.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*u.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,C.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((f.isNumeric(t)||f.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+f.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?u.getAABB3DiagPoint(i,a):u.getAABB3Diag(i);let s;o=a||u.getAABB3Center(i,o),this._trail?u.subVec3(t.look,o,ZA):u.subVec3(t.eye,t.look,ZA),u.normalizeVec3(ZA);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*u.DEGTORAD)):u.lenVec3(u.subVec3(t.eye,t.look,KA)),u.mulVec3Scalar(ZA,s),t.eye=u.addVec3(o,ZA,KA),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?JA._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(u.subVec3(s.eye,s.look,ZA),s.eye=u.lerpVec3(i,0,1,this._eye1,this._eye2,YA),s.look=u.subVec3(YA,ZA,XA)):this._flyingLook&&(s.look=u.lerpVec3(i,0,1,this._look1,this._look2,XA),s.up=u.lerpVec3(i,0,1,this._up1,this._up2,qA)):this._flyingEyeLookUp&&(s.eye=u.lerpVec3(i,0,1,this._eye1,this._eye2,YA),s.look=u.lerpVec3(i,0,1,this._look1,this._look2,XA),s.up=u.lerpVec3(i,0,1,this._up1,this._up2,qA)),this._projection2){const t="ortho"===this._projection2?JA._easeOutExpo(e,0,1,1):JA._easeInCubic(e,0,1,1);s.customProjection.matrix=u.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();C.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class $A extends I{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new JA(this),this._t=0,this.state=$A.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case $A.SCRUBBING:return;case $A.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=$A.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case $A.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=$A.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=$A.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=$A.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=$A.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=$A.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=$A.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=$A.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}$A.STOPPED=0,$A.SCRUBBING=1,$A.PLAYING=2,$A.PLAYING_TO=3,u.vec3(),u.vec3(),u.vec3(),u.vec3([0,-1,0]),u.vec4([0,0,0,1]);const eh=u.vec3();class th{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?f.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(eh[0]=this.objectsColorize[3*e+0],eh[1]=this.objectsColorize[3*e+1],eh[2]=this.objectsColorize[3*e+2],t.colorize=eh),c&&(t.opacity=this.objectsOpacity[e]))}}}u.vec3();const ih=u.vec4(),sh=u.vec4(),rh=u.vec3(),oh=u.vec3(),nh=u.vec3(),ah=u.vec4(),lh=u.vec4(),Ah=u.vec4();class hh{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=u.subVec3(e,r.eye,rh);s=u.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,ah),o=u.subVec3(s,r.eye,Ah),n=u.mulVec3Scalar(u.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=u.subVec3(e,r.eye,rh),i=u.lenVec3(t),s=u.mulVec3Scalar(u.normalizeVec3(u.subVec3(r.look,r.eye,oh)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,ah);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,lh),o=u.subVec3(s,e,Ah),n=u.mulVec3Scalar(u.normalizeVec3(u.subVec3(r.look,r.eye,rh)),-i,oh),a=u.addVec3(o,n,nh);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=u.dotVec4(n,r)/u.dotVec4(n,o);return i.project.unproject(e,a,ih,sh,t),t}destroy(){}}const ch=u.vec3(),uh=u.vec3(),dh=u.vec3(),ph=u.vec4(),gh=u.vec4(),mh=u.vec4();class fh{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=u.vec3(),this._cameraOffset=u.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=u.vec3(),this._rtcPos=u.vec3(),this._pivotViewPos=u.vec4(),this._pivotProjPos=u.vec4(),this._pivotCanvasPos=u.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=u.vec3();u.decomposeMat4(u.inverseMat4(this._scene.viewer.camera.viewMatrix,u.mat4()),t,u.vec4(),u.vec3());const i=u.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),j(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new ds(this._scene,zi({radius:s})),this._pivotSphere=new Vi(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){u.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,u.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(j(this.getPivotPos(),this._rtcCenter,this._rtcPos),u.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new Ut(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=u.lookAtMat4v(e.eye,e.look,e.worldUp);u.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=u.distVec3(e.eye,i),t=u.inverseMat4(t);const s=u.transformVec3(t,this._cameraOffset),r=u.vec3();if(u.subVec3(e.eye,i,r),u.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=u.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=u.normalizeVec3(u.subVec3(e.look,e.eye,ch)),i=u.cross3Vec3(t,e.worldUp,uh);return u.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(u.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=u.dotVec4(n,r)/u.dotVec4(n,o),l=ph;t.project.unproject(e,a,gh,mh,l);const A=u.normalizeVec3(u.subVec3(l,t.eye,ch)),h=u.addVec3(t.eye,u.mulVec3Scalar(A,i,uh),dh);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=u.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=u.lenVec3(u.subVec3(i.look,i.eye,u.vec3())),a=this.getPivotPos();u.addVec3(o,a);let l=u.lookAtMat4v(o,a,i.worldUp);l=u.inverseMat4(l);const A=u.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],u.subVec3(i.eye,u.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class _h{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=u.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new xe;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const vh=u.vec2();class bh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController;let n,a,l,A=0,h=0,c=0,d=0,p=!1;const g=u.vec3();let m=!0;const f=this._scene.canvas.canvas,_=[];function v(e=!0){f.style.cursor="move",A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],c=s.pointerCanvasPos[0],d=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(p=!0,g.set(o.pickResult.worldPos)):p=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!1}),f.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:_[e.input.KEY_SHIFT]||i.planView?(n=!0,v()):(n=!0,v(!1));break;case 2:a=!0,v();break;case 3:l=!0,i.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!n&&!a&&!l)return;const o=e.canvas.boundary,c=o[2],d=o[3],m=s.pointerCanvasPos[0],f=s.pointerCanvasPos[1],v=_[e.input.KEY_SHIFT]||i.planView||!i.panRightClick&&a||i.panRightClick&&l,b=document.pointerLockElement?t.movementX:m-A,x=document.pointerLockElement?t.movementY:f-h;if(v){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(p?u.lenVec3(u.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*b*i/d,r.panDeltaY+=1.5*x*i/d}else r.panDeltaX+=.5*t.ortho.scale*(b/d),r.panDeltaY+=.5*t.ortho.scale*(x/d)}else!n||a||l||i.planView||(i.firstPerson?(r.rotateDeltaY-=b/c*i.dragRotationRate/2,r.rotateDeltaX+=x/d*(i.dragRotationRate/4)):(r.rotateDeltaY-=b/c*(1.5*i.dragRotationRate),r.rotateDeltaX+=x/d*(1.5*i.dragRotationRate)));A=m,h=f}),f.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(i.active&&i.pointerEnabled)switch(e.which){case 1:case 2:case 3:n=!1,a=!1,l=!1}}),f.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,vh);const i=vh[0],s=vh[1];Math.abs(i-c)<3&&Math.abs(s-d)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:vh,event:e},!0)}f.style.removeProperty("cursor")}}),f.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const b=1/60;let x=null;f.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=performance.now()/1e3;var o=null!==x?t-x:0;x=t,o>.05&&(o=.05),o<b&&(o=b);const n=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===n)return;const a=n/Math.abs(n);r.dollyDelta+=-a*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const xh=u.vec3(),wh=u.vec3(),yh=u.vec3(),Ph=u.vec3(),Bh=u.vec3(),Ch={eye:u.vec3(),look:u.vec3(),up:u.vec3()};class Mh{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const d=e.aabb,p=u.getAABB3Diag(d);u.getAABB3Center(d,xh);const g=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*u.DEGTORAD)),m=1.1*p;Ch.orthoScale=m,n?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldRight,g,wh),Bh)),Ch.look.set(xh),Ch.up.set(o.worldUp)):a?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldForward,g,wh),Bh)),Ch.look.set(xh),Ch.up.set(o.worldUp)):l?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldRight,-g,wh),Bh)),Ch.look.set(xh),Ch.up.set(o.worldUp)):A?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldForward,-g,wh),Bh)),Ch.look.set(xh),Ch.up.set(o.worldUp)):h?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldUp,g,wh),Bh)),Ch.look.set(xh),Ch.up.set(u.normalizeVec3(u.mulVec3Scalar(o.worldForward,1,yh),Ph))):c&&(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldUp,-g,wh),Bh)),Ch.look.set(xh),Ch.up.set(u.normalizeVec3(u.mulVec3Scalar(o.worldForward,-1,yh)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(xh),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Ch,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Ch),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Eh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;u.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},d=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),d=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||d)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=d,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",d),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),d=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),g=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||d||p||g))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||d||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=u.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=u.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Fh{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&s.mouseover&&(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move"))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),g=A._isKeyDownForAction(A.PAN_UP,n),m=A._isKeyDownForAction(A.PAN_DOWN,n),f=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||g||m)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),m?r.panDeltaY+=f:g&&(r.panDeltaY+=-f),p?r.panDeltaX+=-f:d&&(r.panDeltaX+=f),u?r.panDeltaZ+=f:c&&(r.panDeltaZ+=-f))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Ih=u.vec3();class Dh{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,c=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?c=n.pickResult.worldPos:(h=1,c=null),s.followPointerDirty=!1),c){const t=Math.abs(u.lenVec3(u.subVec3(c,e.camera.eye,Ih)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,c=null;const d=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=u.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==d){if(t=d<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.pan([0,0,d]),o.ortho.scale=o.ortho.scale-d;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);else if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Sh{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Th(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Th(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Th(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s-window.scrollX,i[1]=e.clientY-r-window.scrollY}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Rh=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Lh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=u.vec2(),l=u.vec2(),A=u.vec2(),h=u.vec2(),c=[],d=this._scene.canvas.canvas;let p=0,g=!1;this._onTick=e.on("tick",(()=>{g=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Rh(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(u.vec2());for(let e=0,t=r.length;e<t;++e)Rh(r[e],c[e]);p=r.length}),d.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),g)return;g=!0;const n=e.canvas.boundary,a=n[2],d=n[3],m=t.touches;if(t.touches.length===p){if(1===p){Rh(m[0],l),u.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/d*i.touchPanRate,r.panDeltaY+=o*n/d*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/d)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/d)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/d*(1.5*i.dragRotationRate)}else if(2===p){const t=m[0],n=m[1];Rh(t,l),Rh(n,A);const a=u.geometricMeanVec2(c[0],c[1]),h=u.geometricMeanVec2(l,A),p=u.vec2();u.subVec2(a,h,p);const g=p[0],f=p[1],_=e.camera,v=u.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(u.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(u.lenVec3(u.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=g*s/d*i.touchPanRate,r.panDeltaY-=f*s/d*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(g/d)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(f/d)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Rh(m[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const Uh=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class kh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const d=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;u.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};d.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,Uh(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)Uh(r[e],l[e]);l.length=r.length},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,d=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(Uh(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):u.distVec2(l[0],A)<4&&(Uh(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Oh extends I{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapToVertex:true,snapToEdge:true,snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:u.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:u.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new _h(this,this._configs),pivotController:new fh(i,this._configs),panController:new hh(i),cameraFlight:new JA(this,{duration:.5})},this._handlers=[new Sh(this.scene,this._controllers,this._configs,this._states,this._updates),new Lh(this.scene,this._controllers,this._configs,this._states,this._updates),new bh(this.scene,this._controllers,this._configs,this._states,this._updates),new Mh(this.scene,this._controllers,this._configs,this._states,this._updates),new Eh(this.scene,this._controllers,this._configs,this._states,this._updates),new kh(this.scene,this._controllers,this._configs,this._states,this._updates),new Fh(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new Dh(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",f.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){if(t[i[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Nh{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class Qh{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];this.properties.push(new Nh(i.name,i.value,i.type,i.valueType,i.description))}}}}class Vh{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class jh{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}get rootMetaObject(){return 1==this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(e.propertySets)for(let t=0,r=e.propertySets.length;t<r;t++){const r=e.propertySets[t];r.properties||(r.properties=[]);let o=i.propertySets[r.id];o||(s&&this._decompressProperties(s,r.properties),o=new Qh({id:r.id,originalSystemId:r.originalSystemId||r.id,type:r.type,name:r.name,properties:r.properties}),i.propertySets[o.id]=o),o.metaModels.push(this),this.propertySets.push(o)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new Vh({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects.push(o),s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){for(let i=0,s=t.length;i<s;i++){const s=t[i];if(Number.isInteger(s)){const r=e[s];r&&(t[i]=r)}}}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e=0,t=i.metaObjects.length;e<t;e++){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]};for(let t=0,i=this.metaObjects.length;t<i;t++){const i=this.metaObjects[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name};i.parent&&(s.parent=i.parent.id),i.attributes&&(s.attributes=i.attributes),i.propertySetIds&&(s.propertySetIds=i.propertySetIds),e.metaObjects.push(s)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=u.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=u.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(u.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=u.globalizeObjectId(this.id,s.id))}}}class Hh{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new jh({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?zh(t):null,n=i&&i.length>0?zh(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function zh(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
+ **/let rA=null;function oA(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=rA[i],o=rA[i+1],n=rA[i+2]),c=Math.min(a=rA[s],l=rA[s+1],A=rA[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let nA=null;function aA(e,t){let i=nA[2*e]-nA[2*t];return 0!==i?i:nA[2*e+1]-nA[2*t+1]}function lA(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;rA=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)rA[i]=e[i]>>t;i.sort(oA);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}nA=new Int32Array(e),t.sort(aA);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,g=2*s.length+(r.length+o.length)*d;let m=0,f=-s.length/3;return h.forEach((e=>{m+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,f+=e.positionsCompressed.length/3})),m>g?[e]:(i&&function(e,t){const i={};let s=0;e.forEach((e=>{const t=e.indices,r=e.edgeIndices,o=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=o[3*t[e]]+"_"+o[3*t[e]+1]+"_"+o[3*t[e]+2]+"/"+o[3*t[e+1]]+"_"+o[3*t[e+1]+1]+"_"+o[3*t[e+1]+2]+"/"+o[3*t[e+2]]+"_"+o[3*t[e+2]+1]+"_"+o[3*t[e+2]+2];i[s]=!0}s+=e.edgeIndices.length/2;for(let e=0,t=r.length;e<t;e+=2)o[3*r[e]],o[3*r[e]+1],o[3*r[e]+2],o[3*r[e+1]],o[3*r[e+1]+1],o[3*r[e+1]+2]}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const AA=u.vec4(4),hA=u.vec4(),cA=u.vec4(),uA=u.vec3([1,0,0]),dA=u.vec3([0,1,0]),pA=u.vec3([0,0,1]);u.vec3(3),u.vec3(3);const gA=u.identityMat4();class mA{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=u.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=u.identityMat4(new Float32Array(16)),this._worldMatrix=u.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),u.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),u.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=u.identityMat4()),this._localMatrix.set(e||gA),u.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=u.identityMat4()),u.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return AA[0]=e[0],AA[1]=e[1],AA[2]=e[2],AA[3]=t*u.DEGTORAD,u.angleAxisToQuaternion(AA,hA),u.mulQuaternions(this.quaternion,hA,cA),this.quaternion=cA,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return AA[0]=e[0],AA[1]=e[1],AA[2]=e[2],AA[3]=t*u.DEGTORAD,u.angleAxisToQuaternion(AA,hA),u.mulQuaternions(hA,this.quaternion,hA),this}rotateX(e){return this.rotate(uA,e)}rotateY(e){return this.rotate(dA,e)}rotateZ(e){return this.rotate(pA,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)u.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const fA=u.vec3(),_A=u.OBB3(),vA=u.vec3([1,1,1]),bA=u.vec3([0,0,0]),xA=u.vec3([0,0,0]),wA=u.identityQuaternion(),yA=u.identityMat4(),PA=new Uint8Array([255,255,255]);class BA extends I{constructor(e,t={}){super(e,t),this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(ys++,ws),this._textureTranscoder=t.textureTranscoder||function(e){const t=e.scene.id;let i=$l[t];return i||(i=new Jl({viewer:e}),$l[t]=i,e.scene.on("destroyed",(()=>{delete $l[t],i.destroy()}))),i}(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=u.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._entityList=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new Ii,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._edgeThreshold=t.edgeThreshold||10,this._origin=u.vec3(t.origin||[0,0,0]),this._position=u.vec3(t.position||[0,0,0]),this._rotation=u.vec3(t.rotation||[0,0,0]),this._quaternion=u.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=u.vec4(t.quaternion||[0,0,0,1]),t.rotation&&u.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=u.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=u.mat4(),this._worldRotationMatrixConjugate=u.mat4(),this._matrix=u.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=u.mat4(),u.inverseMat4(this._matrix,this._worldNormalMatrix),u.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=u.mat4(),this._viewNormalMatrix=u.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new Gl({id:"defaultColorTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new Gl({id:"defaultMetalRoughTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new Gl({id:"defaultNormalsTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new Gl({id:"defaultEmissiveTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new Gl({id:"defaultOcclusionTexture",texture:new rs({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new zl({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),u.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),u.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||yA),u.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),u.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),u.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),u.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(u.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),u.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),u.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),u.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(u.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),u.inverseMat4(this._viewMatrix,this._viewNormalMatrix),u.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(u.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),u.inverseMat4(this._viewMatrix,this._viewNormalMatrix),u.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),u.inverseMat4(this._viewMatrix,this._viewNormalMatrix),u.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){u.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)u.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:fr(e.aabb,u.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=fr(e.positionsDecodeBoundary,u.mat4())),e.positions){const t=u.collapseAABB3();e.positionsDecodeMatrix=u.mat4(),u.expandAABB3Points3(t,e.positions),e.positionsCompressed=mr(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=u.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),u.expandAABB3Points3(t,e.positionsCompressed),Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=u.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?u.expandAABB3Points3(t,s.positions):s.positionsCompressed&&u.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=xt(e.positions,e.indices,null,5):e.edgeIndices=xt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Et.getUVBounds(e.uv),i=Et.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new rs({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?f.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new Gl({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new zl({id:t,model:this,colorTexture:i,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new mA({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?u.addVec3(this._origin,e.origin,u.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){const t=e.scale||vA,i=e.position||bA,s=e.rotation||xA;u.eulerToQuaternion(s,"XYZ",wA),e.meshMatrix=u.composeMat4(i,wA,t,u.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=fr(e.positionsDecodeBoundary,u.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):PA,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=u.vec3(),i=[];H(e.positions,i,t)&&(e.positions=i,e.origin=u.addVec3(e.origin,t,t))}if(e.positions){const t=u.collapseAABB3();e.positionsDecodeMatrix=u.mat4(),u.expandAABB3Points3(t,e.positions),e.positionsCompressed=mr(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=u.collapseAABB3();u.expandAABB3Points3(t,e.positionsCompressed),Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=u.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?u.expandAABB3Points3(t,s.positions):s.positionsCompressed&&u.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(u.AABB3ToOBB3(e.aabb,_A),u.transformOBB3(e.meshMatrix,_A),u.OBB3ToAABB3(_A,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=xt(e.positions,e.indices,null,2):e.edgeIndices=xt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=CA(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];H(e.positions,t,fA)&&(e.positions=t,e.origin=u.addVec3(e.origin,fA,u.vec3()))}if(e.positions){const t=u.collapseAABB3();e.meshMatrix&&(u.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),u.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=u.collapseAABB3();u.expandAABB3Points3(t,e.positionsCompressed),Et.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(u.AABB3ToOBB3(e.aabb,_A),u.transformOBB3(e.meshMatrix,_A),u.OBB3ToAABB3(_A,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=xt(e.positions,e.indices,null,2):e.edgeIndices=xt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?u.addVec3(this._origin,e.origin,u.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix.slice();else{const t=e.scale||vA,i=e.position||bA,s=e.rotation||xA;u.eulerToQuaternion(s,"XYZ",wA),e.meshMatrix=u.composeMat4(i,wA,t,u.mat4())}u.AABB3ToOBB3(e.geometry.aabb,_A),u.transformOBB3(e.meshMatrix,_A),e.aabb=u.OBB3ToAABB3(_A,u.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):PA,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=CA(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):PA,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createMesh(e){const t=new xs(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=u.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;r.finalize(),delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new Hl(this,{layerIndex:0,origin:t});break;case"lines":r=new ba(this,{layerIndex:0,origin:t});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin,s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new Ir({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":n=new Vo({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":n=new In({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new wo({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new wo({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new ln({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new ta({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),n}createEntity(e){if(void 0===e.id?e.id=u.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=u.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;this._visible&&!1!==e.visible&&(t|=G),this._pickable&&!1!==e.pickable&&(t|=K),this._culled&&!1!==e.culled&&(t|=W),this._clippable&&!1!==e.clippable&&(t|=X),this._collidable&&!1!==e.collidable&&(t|=Y),this._edges&&!1!==e.edges&&(t|=$),this._xrayed&&!1!==e.xrayed&&(t|=q),this._highlighted&&!1!==e.highlighted&&(t|=Z),this._selected&&!1!==e.selected&&(t|=J),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ie(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(i),this._entities[e.id]=i,this.numEntities++}finalize(){if(!this.destroyed){this._createDummyEntityForUnusedMeshes();for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize()}for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize2()}this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position}}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-dummyEntityForUnusedMeshes`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorOpaque(t,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==ys&&(ys--,0===ys&&ws._clear()),super.destroy()}}function CA(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=sA({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=lA({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class MA extends I{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new BA(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const EA=u.vec3(),FA=u.vec3(),IA=u.vec3(),DA=u.vec3();class SA extends N{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=u.normalizeVec3(u.subVec3(i.look,i.eye,u.vec3())),a=i.eye,l=i.up;i.yUp&&(n=LA(n),a=LA(a),l=LA(l));const A=TA(u.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:TA(n),camera_up_vector:TA(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:TA(n),camera_up_vector:TA(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?u.negateVec3(t.dir,u.vec3()):t.dir,i.yUp&&(a=LA(a),n=LA(n)),u.addVec3(a,s),a=TA(a),n=TA(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const d=t.bitmaps;for(let e in d)if(d.hasOwnProperty(e)){let t=d[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=LA(r),n=LA(n),a=LA(a)),u.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:TA(r),normal:TA(n),up:TA(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),g=new Set(t.xrayedObjectIds),m=new Set(t.colorizedObjectIds),f=Object.values(t.objects).filter((e=>p.has(e.id)||m.has(e.id)||g.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(f).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,x=t.visibleObjectIds,w=v.filter((e=>!b[e])),y=t.selectedObjectIds;return e.defaultInvisible||x.length<w.length?(o.components.visibility.exceptions=this._createBCFComponents(x),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(w),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(y),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=RA(e.location,EA),i=RA(e.direction,EA);A&&u.negateVec3(i),u.subVec3(t,l),r.yUp&&(t=UA(t),i=UA(i)),new Gi(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new MA(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=RA(e.location,FA),n=RA(e.normal,IA),a=RA(e.up,DA),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=UA(o),n=UA(n),a=UA(a)),new fs(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=RA(e.perspective_camera.camera_view_point,EA),A=RA(e.perspective_camera.camera_direction,EA),h=RA(e.perspective_camera.camera_up_vector,EA),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=RA(e.orthogonal_camera.camera_view_point,EA),A=RA(e.orthogonal_camera.camera_direction,EA),h=RA(e.orthogonal_camera.camera_up_vector,EA),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),u.subVec3(a,l),r.yUp&&(a=UA(a),A=UA(A),h=UA(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:u.addVec3(a,A,EA)}else A=u.addVec3(a,A,EA);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=u.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function TA(e){return{x:e[0],y:e[1],z:e[2]}}function RA(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function LA(e){return new Float64Array([e[0],-e[2],e[1]])}function UA(e){return new Float64Array([e[0],e[2],-e[1]])}const kA=u.vec3(),OA=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class NA extends I{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originMarker=new oe(i,t.origin),this._targetMarker=new oe(i,t.target),this._originWorld=u.vec3(),this._targetWorld=u.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new ae(this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new ae(this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new ne(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new ne(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new ne(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new ne(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new le(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new le(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new le(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new le(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originMarker.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetMarker.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._targetWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(u.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originMarker.viewPos[2],i=this._targetMarker.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){u.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],c=0;const i=this.plugin.viewer.scene.metrics,g=i.scale,m=i.units,f=i.unitsInfo[m].abbrev;for(var d=0,p=s.length;d<p;d+=4)r[c]=a+Math.floor((1+s[d+0]/s[d+3])*A/2),r[c+1]=n+Math.floor((1-s[d+1]/s[d+3])*h/2),c+=2;if(this._originDot.setPos(r[0],r[1]),this._targetDot.setPos(r[6],r[7]),this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(u.lenVec3(u.subVec3(this._targetWorld,this._originWorld,kA))),this._lengthLabel.setText(e+(this._length*g).toFixed(2)+f);const t=Math.abs(OA(r[0],r[1],r[2],r[3])),i=Math.abs(OA(r[2],r[3],r[4],r[5])),s=Math.abs(OA(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs((this._targetWorld[0]-this._originWorld[0])*g).toFixed(2)+f),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs((this._targetWorld[1]-this._originWorld[1])*g).toFixed(2)+f),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):(this._zAxisLabel.setText(e+Math.abs((this._targetWorld[2]-this._originWorld[2])*g).toFixed(2)+f),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(u.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originMarker}get target(){return this._targetMarker}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled),this._lengthLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class QA extends I{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}destroy(){}}class VA extends QA{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._onCameraControlHoverSnapOrSurface=null,this._onCameraControlHoverSnapOrSurfaceOff=null,this._onMouseDown=null,this._onMouseUp=null,this._onCanvasTouchStart=null,this._onCanvasTouchEnd=null,this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div");e.setAttribute("id","myMarkerDiv");const t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){if(this._markerDiv){const e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this._markerDiv=null}}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){e!==this._snapping?(this._snapping=e,this.deactivate(),this.activate()):this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=u.vec3(),n=u.vec2();let a,l;let A=null;this._mouseState=0;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==s.parentNode&&h(e.offsetParent)),c=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==s.parentNode&&c(e.offsetParent)),d=u.vec2();this._onCameraControlHoverSnapOrSurface=i.on(this._snapping?"hoverSnapOrSurface":"hoverSurface",(e=>{const t=e.snappedCanvasPos||e.canvasPos;r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState?(this._canvasToPagePos?(this._canvasToPagePos(s,t,d),this._markerDiv.style.left=d[0]-5+"px",this._markerDiv.style.top=d[1]-5+"px"):(this._markerDiv.style.left=c(s)+t[0]-5+"px",this._markerDiv.style.top=h(s)+t[1]-5+"px"),this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity):(this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px"),s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:u.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))}),this._onCameraControlHoverSnapOrSurfaceOff=i.on(this._snapping?"hoverSnapOrSurfaceOff":"hoverOff",(e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this._markerDiv&&this._destroyMarkerDiv(),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onCameraControlHoverSnapOrSurface),t.off(this._onCameraControlHoverSnapOrSurfaceOff),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null))}destroy(){this.deactivate(),super.destroy()}}class jA extends N{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new VA(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new NA(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class HA extends N{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor||1,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e||1}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class zA{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=GA(e,i);return s?t?WA(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=GA(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=WA(r,[t]),i&&(r=WA(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function GA(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function WA(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}u.vec3();const KA=u.vec3(),XA=u.vec3(),YA=u.vec3(),qA=u.vec3(),ZA=u.vec3();class JA extends I{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=u.vec3(),this._eye1=u.vec3(),this._up1=u.vec3(),this._look2=u.vec3(),this._eye2=u.vec3(),this._up2=u.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((f.isNumeric(s)||f.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+f.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=u.getAABB3Center(o);this._look2=h||t;const i=u.subVec3(this._eye1,this._look1,KA),s=u.normalizeVec3(i),r=h?u.getAABB3DiagPoint(o,h):u.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*u.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,C.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((f.isNumeric(t)||f.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+f.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?u.getAABB3DiagPoint(i,a):u.getAABB3Diag(i);let s;o=a||u.getAABB3Center(i,o),this._trail?u.subVec3(t.look,o,ZA):u.subVec3(t.eye,t.look,ZA),u.normalizeVec3(ZA);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*u.DEGTORAD)):u.lenVec3(u.subVec3(t.eye,t.look,KA)),u.mulVec3Scalar(ZA,s),t.eye=u.addVec3(o,ZA,KA),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?JA._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(u.subVec3(s.eye,s.look,ZA),s.eye=u.lerpVec3(i,0,1,this._eye1,this._eye2,YA),s.look=u.subVec3(YA,ZA,XA)):this._flyingLook&&(s.look=u.lerpVec3(i,0,1,this._look1,this._look2,XA),s.up=u.lerpVec3(i,0,1,this._up1,this._up2,qA)):this._flyingEyeLookUp&&(s.eye=u.lerpVec3(i,0,1,this._eye1,this._eye2,YA),s.look=u.lerpVec3(i,0,1,this._look1,this._look2,XA),s.up=u.lerpVec3(i,0,1,this._up1,this._up2,qA)),this._projection2){const t="ortho"===this._projection2?JA._easeOutExpo(e,0,1,1):JA._easeInCubic(e,0,1,1);s.customProjection.matrix=u.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();C.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class $A extends I{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new JA(this),this._t=0,this.state=$A.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case $A.SCRUBBING:return;case $A.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=$A.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case $A.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=$A.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=$A.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=$A.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=$A.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=$A.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=$A.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=$A.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}$A.STOPPED=0,$A.SCRUBBING=1,$A.PLAYING=2,$A.PLAYING_TO=3,u.vec3(),u.vec3(),u.vec3(),u.vec3([0,-1,0]),u.vec4([0,0,0,1]);const eh=u.vec3();class th{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?f.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(eh[0]=this.objectsColorize[3*e+0],eh[1]=this.objectsColorize[3*e+1],eh[2]=this.objectsColorize[3*e+2],t.colorize=eh),c&&(t.opacity=this.objectsOpacity[e]))}}}u.vec3();const ih=u.vec4(),sh=u.vec4(),rh=u.vec3(),oh=u.vec3(),nh=u.vec3(),ah=u.vec4(),lh=u.vec4(),Ah=u.vec4();class hh{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=u.subVec3(e,r.eye,rh);s=u.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,ah),o=u.subVec3(s,r.eye,Ah),n=u.mulVec3Scalar(u.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=u.subVec3(e,r.eye,rh),i=u.lenVec3(t),s=u.mulVec3Scalar(u.normalizeVec3(u.subVec3(r.look,r.eye,oh)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,ah);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,lh),o=u.subVec3(s,e,Ah),n=u.mulVec3Scalar(u.normalizeVec3(u.subVec3(r.look,r.eye,rh)),-i,oh),a=u.addVec3(o,n,nh);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=u.dotVec4(n,r)/u.dotVec4(n,o);return i.project.unproject(e,a,ih,sh,t),t}destroy(){}}const ch=u.vec3(),uh=u.vec3(),dh=u.vec3(),ph=u.vec4(),gh=u.vec4(),mh=u.vec4();class fh{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=u.vec3(),this._cameraOffset=u.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=u.vec3(),this._rtcPos=u.vec3(),this._pivotViewPos=u.vec4(),this._pivotProjPos=u.vec4(),this._pivotCanvasPos=u.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=u.vec3();u.decomposeMat4(u.inverseMat4(this._scene.viewer.camera.viewMatrix,u.mat4()),t,u.vec4(),u.vec3());const i=u.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),j(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new ds(this._scene,zi({radius:s})),this._pivotSphere=new Vi(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){u.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,u.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(j(this.getPivotPos(),this._rtcCenter,this._rtcPos),u.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new Ut(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=u.lookAtMat4v(e.eye,e.look,e.worldUp);u.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=u.distVec3(e.eye,i),t=u.inverseMat4(t);const s=u.transformVec3(t,this._cameraOffset),r=u.vec3();if(u.subVec3(e.eye,i,r),u.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=u.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=u.normalizeVec3(u.subVec3(e.look,e.eye,ch)),i=u.cross3Vec3(t,e.worldUp,uh);return u.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(u.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=u.dotVec4(n,r)/u.dotVec4(n,o),l=ph;t.project.unproject(e,a,gh,mh,l);const A=u.normalizeVec3(u.subVec3(l,t.eye,ch)),h=u.addVec3(t.eye,u.mulVec3Scalar(A,i,uh),dh);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=u.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=u.lenVec3(u.subVec3(i.look,i.eye,u.vec3())),a=this.getPivotPos();u.addVec3(o,a);let l=u.lookAtMat4v(o,a,i.worldUp);l=u.inverseMat4(l);const A=u.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],u.subVec3(i.eye,u.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class _h{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=u.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new xe;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const vh=u.vec2();class bh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController;let n,a,l,A=0,h=0,c=0,d=0,p=!1;const g=u.vec3();let m=!0;const f=this._scene.canvas.canvas,_=[];function v(e=!0){f.style.cursor="move",A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],c=s.pointerCanvasPos[0],d=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(p=!0,g.set(o.pickResult.worldPos)):p=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!1}),f.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:_[e.input.KEY_SHIFT]||i.planView?(n=!0,v()):(n=!0,v(!1));break;case 2:a=!0,v();break;case 3:l=!0,i.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!n&&!a&&!l)return;const o=e.canvas.boundary,c=o[2],d=o[3],m=s.pointerCanvasPos[0],f=s.pointerCanvasPos[1],v=_[e.input.KEY_SHIFT]||i.planView||!i.panRightClick&&a||i.panRightClick&&l,b=document.pointerLockElement?t.movementX:m-A,x=document.pointerLockElement?t.movementY:f-h;if(v){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(p?u.lenVec3(u.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*b*i/d,r.panDeltaY+=1.5*x*i/d}else r.panDeltaX+=.5*t.ortho.scale*(b/d),r.panDeltaY+=.5*t.ortho.scale*(x/d)}else!n||a||l||i.planView||(i.firstPerson?(r.rotateDeltaY-=b/c*i.dragRotationRate/2,r.rotateDeltaX+=x/d*(i.dragRotationRate/4)):(r.rotateDeltaY-=b/c*(1.5*i.dragRotationRate),r.rotateDeltaX+=x/d*(1.5*i.dragRotationRate)));A=m,h=f}),f.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(i.active&&i.pointerEnabled)switch(e.which){case 1:case 2:case 3:n=!1,a=!1,l=!1}}),f.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,vh);const i=vh[0],s=vh[1];Math.abs(i-c)<3&&Math.abs(s-d)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:vh,event:e},!0)}f.style.removeProperty("cursor")}}),f.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const b=1/60;let x=null;f.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=performance.now()/1e3;var o=null!==x?t-x:0;x=t,o>.05&&(o=.05),o<b&&(o=b);const n=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===n)return;const a=n/Math.abs(n);r.dollyDelta+=-a*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const xh=u.vec3(),wh=u.vec3(),yh=u.vec3(),Ph=u.vec3(),Bh=u.vec3(),Ch={eye:u.vec3(),look:u.vec3(),up:u.vec3()};class Mh{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const d=e.aabb,p=u.getAABB3Diag(d);u.getAABB3Center(d,xh);const g=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*u.DEGTORAD)),m=1.1*p;Ch.orthoScale=m,n?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldRight,g,wh),Bh)),Ch.look.set(xh),Ch.up.set(o.worldUp)):a?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldForward,g,wh),Bh)),Ch.look.set(xh),Ch.up.set(o.worldUp)):l?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldRight,-g,wh),Bh)),Ch.look.set(xh),Ch.up.set(o.worldUp)):A?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldForward,-g,wh),Bh)),Ch.look.set(xh),Ch.up.set(o.worldUp)):h?(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldUp,g,wh),Bh)),Ch.look.set(xh),Ch.up.set(u.normalizeVec3(u.mulVec3Scalar(o.worldForward,1,yh),Ph))):c&&(Ch.eye.set(u.addVec3(xh,u.mulVec3Scalar(o.worldUp,-g,wh),Bh)),Ch.look.set(xh),Ch.up.set(u.normalizeVec3(u.mulVec3Scalar(o.worldForward,-1,yh)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(xh),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Ch,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Ch),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Eh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;u.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},d=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),d=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||d)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=d,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",d),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),d=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),g=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||d||p||g))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||d||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=u.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=u.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Fh{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&s.mouseover&&(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move"))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),g=A._isKeyDownForAction(A.PAN_UP,n),m=A._isKeyDownForAction(A.PAN_DOWN,n),f=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||g||m)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),m?r.panDeltaY+=f:g&&(r.panDeltaY+=-f),p?r.panDeltaX+=-f:d&&(r.panDeltaX+=f),u?r.panDeltaZ+=f:c&&(r.panDeltaZ+=-f))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Ih=u.vec3();class Dh{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,c=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?c=n.pickResult.worldPos:(h=1,c=null),s.followPointerDirty=!1),c){const t=Math.abs(u.lenVec3(u.subVec3(c,e.camera.eye,Ih)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,c=null;const d=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=u.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==d){if(t=d<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.pan([0,0,d]),o.ortho.scale=o.ortho.scale-d;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);else if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Sh{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Th(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Th(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Th(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Rh=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Lh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=u.vec2(),l=u.vec2(),A=u.vec2(),h=u.vec2(),c=[],d=this._scene.canvas.canvas;let p=0,g=!1;this._onTick=e.on("tick",(()=>{g=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Rh(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(u.vec2());for(let e=0,t=r.length;e<t;++e)Rh(r[e],c[e]);p=r.length}),d.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),g)return;g=!0;const n=e.canvas.boundary,a=n[2],d=n[3],m=t.touches;if(t.touches.length===p){if(1===p){Rh(m[0],l),u.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/d*i.touchPanRate,r.panDeltaY+=o*n/d*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/d)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/d)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/d*(1.5*i.dragRotationRate)}else if(2===p){const t=m[0],n=m[1];Rh(t,l),Rh(n,A);const a=u.geometricMeanVec2(c[0],c[1]),h=u.geometricMeanVec2(l,A),p=u.vec2();u.subVec2(a,h,p);const g=p[0],f=p[1],_=e.camera,v=u.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(u.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(u.lenVec3(u.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=g*s/d*i.touchPanRate,r.panDeltaY-=f*s/d*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(g/d)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(f/d)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Rh(m[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const Uh=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class kh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const d=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;u.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};d.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,Uh(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)Uh(r[e],l[e]);l.length=r.length},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,d=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(Uh(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):u.distVec2(l[0],A)<4&&(Uh(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Oh extends I{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapToVertex:true,snapToEdge:true,snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:u.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:u.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new _h(this,this._configs),pivotController:new fh(i,this._configs),panController:new hh(i),cameraFlight:new JA(this,{duration:.5})},this._handlers=[new Sh(this.scene,this._controllers,this._configs,this._states,this._updates),new Lh(this.scene,this._controllers,this._configs,this._states,this._updates),new bh(this.scene,this._controllers,this._configs,this._states,this._updates),new Mh(this.scene,this._controllers,this._configs,this._states,this._updates),new Eh(this.scene,this._controllers,this._configs,this._states,this._updates),new kh(this.scene,this._controllers,this._configs,this._states,this._updates),new Fh(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new Dh(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",f.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){if(t[i[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Nh{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class Qh{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];this.properties.push(new Nh(i.name,i.value,i.type,i.valueType,i.description))}}}}class Vh{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class jh{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}get rootMetaObject(){return 1==this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(e.propertySets)for(let t=0,r=e.propertySets.length;t<r;t++){const r=e.propertySets[t];r.properties||(r.properties=[]);let o=i.propertySets[r.id];o||(s&&this._decompressProperties(s,r.properties),o=new Qh({id:r.id,originalSystemId:r.originalSystemId||r.id,type:r.type,name:r.name,properties:r.properties}),i.propertySets[o.id]=o),o.metaModels.push(this),this.propertySets.push(o)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new Vh({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects.push(o),s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){for(let i=0,s=t.length;i<s;i++){const s=t[i];if(Number.isInteger(s)){const r=e[s];r&&(t[i]=r)}}}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e=0,t=i.metaObjects.length;e<t;e++){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]};for(let t=0,i=this.metaObjects.length;t<i;t++){const i=this.metaObjects[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name};i.parent&&(s.parent=i.parent.id),i.attributes&&(s.attributes=i.attributes),i.propertySetIds&&(s.propertySetIds=i.propertySetIds),e.metaObjects.push(s)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=u.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=u.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(u.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=u.globalizeObjectId(this.id,s.id))}}}class Hh{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new jh({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?zh(t):null,n=i&&i.length>0?zh(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function zh(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
diff --git a/dist/xeokit-bim-viewer.min.umd.js b/dist/xeokit-bim-viewer.min.umd.js
index 439fee58..cc1e6bff 100644
--- a/dist/xeokit-bim-viewer.min.umd.js
+++ b/dist/xeokit-bim-viewer.min.umd.js
@@ -15,7 +15,7 @@ let PA=null;function BA(e,t){let i;for(let s=0;s<3;s++)if(0!=(i=PA[3*e+s]-PA[3*t
 /**
    * @author https://github.com/tmarti, with support from https://tribia.com/
    * @license MIT
-   **/let EA=null;function FA(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=EA[i],o=EA[i+1],n=EA[i+2]),c=Math.min(a=EA[s],l=EA[s+1],A=EA[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let IA=null;function DA(e,t){let i=IA[2*e]-IA[2*t];return 0!==i?i:IA[2*e+1]-IA[2*t+1]}function SA(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;EA=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)EA[i]=e[i]>>t;i.sort(FA);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}IA=new Int32Array(e),t.sort(DA);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,g=2*s.length+(r.length+o.length)*d;let m=0,f=-s.length/3;return h.forEach((e=>{m+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,f+=e.positionsCompressed.length/3})),m>g?[e]:(i&&function(e,t){const i={};let s=0;e.forEach((e=>{const t=e.indices,r=e.edgeIndices,o=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=o[3*t[e]]+"_"+o[3*t[e]+1]+"_"+o[3*t[e]+2]+"/"+o[3*t[e+1]]+"_"+o[3*t[e+1]+1]+"_"+o[3*t[e+1]+2]+"/"+o[3*t[e+2]]+"_"+o[3*t[e+2]+1]+"_"+o[3*t[e+2]+2];i[s]=!0}s+=e.edgeIndices.length/2;for(let e=0,t=r.length;e<t;e+=2)o[3*r[e]],o[3*r[e]+1],o[3*r[e]+2],o[3*r[e+1]],o[3*r[e+1]+1],o[3*r[e+1]+2]}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const TA=d.vec4(4),RA=d.vec4(),LA=d.vec4(),UA=d.vec3([1,0,0]),kA=d.vec3([0,1,0]),OA=d.vec3([0,0,1]);d.vec3(3),d.vec3(3);const NA=d.identityMat4();class QA{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=d.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=d.identityMat4(new Float32Array(16)),this._worldMatrix=d.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||NA),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return TA[0]=e[0],TA[1]=e[1],TA[2]=e[2],TA[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(TA,RA),d.mulQuaternions(this.quaternion,RA,LA),this.quaternion=LA,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return TA[0]=e[0],TA[1]=e[1],TA[2]=e[2],TA[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(TA,RA),d.mulQuaternions(RA,this.quaternion,RA),this}rotateX(e){return this.rotate(UA,e)}rotateY(e){return this.rotate(kA,e)}rotateZ(e){return this.rotate(OA,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)d.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const VA=d.vec3(),jA=d.OBB3(),HA=d.vec3([1,1,1]),zA=d.vec3([0,0,0]),GA=d.vec3([0,0,0]),WA=d.identityQuaternion(),KA=d.identityMat4(),XA="defaultColorTexture",YA="defaultMetalRoughTexture",qA="defaultNormalsTexture",ZA="defaultEmissiveTexture",JA="defaultOcclusionTexture",$A="defaultTextureSet",eh=new Uint8Array([255,255,255]);class th extends D{constructor(e,t={}){super(e,t),this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(Ks++,Ws),this._textureTranscoder=t.textureTranscoder||function(e){const t=e.scene.id;let i=yA[t];return i||(i=new wA({viewer:e}),yA[t]=i,e.scene.on("destroyed",(()=>{delete yA[t],i.destroy()}))),i}(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=d.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._entityList=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new es,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._edgeThreshold=t.edgeThreshold||10,this._origin=d.vec3(t.origin||[0,0,0]),this._position=d.vec3(t.position||[0,0,0]),this._rotation=d.vec3(t.rotation||[0,0,0]),this._quaternion=d.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=d.vec4(t.quaternion||[0,0,0,1]),t.rotation&&d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=d.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=d.mat4(),this._worldRotationMatrixConjugate=d.mat4(),this._matrix=d.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=d.mat4(),d.inverseMat4(this._matrix,this._worldNormalMatrix),d.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=d.mat4(),this._viewNormalMatrix=d.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new gA({id:XA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new gA({id:YA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new gA({id:qA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new gA({id:ZA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new gA({id:JA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new pA({id:$A,model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||KA),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)d.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Vr(e.aabb,d.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Vr(e.positionsDecodeBoundary,d.mat4())),e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Qr(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),d.expandAABB3Points3(t,e.positionsCompressed),Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=d.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=wt(e.positions,e.indices,null,5):e.edgeIndices=wt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Ft.getUVBounds(e.uv),i=Ft.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||ni;i!==ri&&i!==oi&&i!==ni&&i!==si&&i!==ii&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=ni);let s=e.magFilter||ri;s!==ri&&s!==ti&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=ri);let r=e.wrapS||Jt;r!==$t&&r!==ei&&r!==Jt&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=Jt);let o=e.wrapT||Jt;o!==$t&&o!==ei&&o!==Jt&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=Jt);let n=e.wrapR||Jt;n!==$t&&n!==ei&&n!==Jt&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=Jt);let a=e.encoding||vi;a!==vi&&a!==bi&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=vi);const l=new Es({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?_.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new gA({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new pA({id:t,model:this,colorTexture:i,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new QA({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){const t=e.scale||HA,i=e.position||zA,s=e.rotation||GA;d.eulerToQuaternion(s,"XYZ",WA),e.meshMatrix=d.composeMat4(i,WA,t,d.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Vr(e.positionsDecodeBoundary,d.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):eh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=d.vec3(),i=[];z(e.positions,i,t)&&(e.positions=i,e.origin=d.addVec3(e.origin,t,t))}if(e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Qr(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=d.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,jA),d.transformOBB3(e.meshMatrix,jA),d.OBB3ToAABB3(jA,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=wt(e.positions,e.indices,null,2):e.edgeIndices=wt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=ih(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];z(e.positions,t,VA)&&(e.positions=t,e.origin=d.addVec3(e.origin,VA,d.vec3()))}if(e.positions){const t=d.collapseAABB3();e.meshMatrix&&(d.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),d.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,jA),d.transformOBB3(e.meshMatrix,jA),d.OBB3ToAABB3(jA,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=wt(e.positions,e.indices,null,2):e.edgeIndices=wt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix.slice();else{const t=e.scale||HA,i=e.position||zA,s=e.rotation||GA;d.eulerToQuaternion(s,"XYZ",WA),e.meshMatrix=d.composeMat4(i,WA,t,d.mat4())}d.AABB3ToOBB3(e.geometry.aabb,jA),d.transformOBB3(e.meshMatrix,jA),e.aabb=d.OBB3ToAABB3(jA,d.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):eh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=ih(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):eh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createMesh(e){const t=new Gs(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=d.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;r.finalize(),delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new dA(this,{layerIndex:0,origin:t});break;case"lines":r=new za(this,{layerIndex:0,origin:t});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin,s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new eo({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":n=new un({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":n=new ea({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new Wo({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new Wo({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Sn({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new Ba({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),n}createEntity(e){if(void 0===e.id?e.id=d.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=d.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;this._visible&&!1!==e.visible&&(t|=W),this._pickable&&!1!==e.pickable&&(t|=X),this._culled&&!1!==e.culled&&(t|=K),this._clippable&&!1!==e.clippable&&(t|=Y),this._collidable&&!1!==e.collidable&&(t|=q),this._edges&&!1!==e.edges&&(t|=ee),this._xrayed&&!1!==e.xrayed&&(t|=Z),this._highlighted&&!1!==e.highlighted&&(t|=J),this._selected&&!1!==e.selected&&(t|=$),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new se(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(i),this._entities[e.id]=i,this.numEntities++}finalize(){if(!this.destroyed){this._createDummyEntityForUnusedMeshes();for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize()}for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize2()}this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position}}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-dummyEntityForUnusedMeshes`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorOpaque(t,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Ks&&(Ks--,0===Ks&&Ws._clear()),super.destroy()}}function ih(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=MA({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=SA({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class sh extends D{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new th(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const rh=d.vec3(),oh=d.vec3(),nh=d.vec3(),ah=d.vec3();class lh extends Q{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=d.normalizeVec3(d.subVec3(i.look,i.eye,d.vec3())),a=i.eye,l=i.up;i.yUp&&(n=ch(n),a=ch(a),l=ch(l));const A=Ah(d.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:Ah(n),camera_up_vector:Ah(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:Ah(n),camera_up_vector:Ah(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?d.negateVec3(t.dir,d.vec3()):t.dir,i.yUp&&(a=ch(a),n=ch(n)),d.addVec3(a,s),a=Ah(a),n=Ah(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const u=t.bitmaps;for(let e in u)if(u.hasOwnProperty(e)){let t=u[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=ch(r),n=ch(n),a=ch(a)),d.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:Ah(r),normal:Ah(n),up:Ah(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),g=new Set(t.xrayedObjectIds),m=new Set(t.colorizedObjectIds),f=Object.values(t.objects).filter((e=>p.has(e.id)||m.has(e.id)||g.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(f).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,x=t.visibleObjectIds,w=v.filter((e=>!b[e])),y=t.selectedObjectIds;return e.defaultInvisible||x.length<w.length?(o.components.visibility.exceptions=this._createBCFComponents(x),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(w),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(y),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=hh(e.location,rh),i=hh(e.direction,rh);A&&d.negateVec3(i),d.subVec3(t,l),r.yUp&&(t=uh(t),i=uh(i)),new gs(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new sh(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=hh(e.location,oh),n=hh(e.normal,nh),a=hh(e.up,ah),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=uh(o),n=uh(n),a=uh(a)),new Vs(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=hh(e.perspective_camera.camera_view_point,rh),A=hh(e.perspective_camera.camera_direction,rh),h=hh(e.perspective_camera.camera_up_vector,rh),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=hh(e.orthogonal_camera.camera_view_point,rh),A=hh(e.orthogonal_camera.camera_direction,rh),h=hh(e.orthogonal_camera.camera_up_vector,rh),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),d.subVec3(a,l),r.yUp&&(a=uh(a),A=uh(A),h=uh(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:d.addVec3(a,A,rh)}else A=d.addVec3(a,A,rh);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=d.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function Ah(e){return{x:e[0],y:e[1],z:e[2]}}function hh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function ch(e){return new Float64Array([e[0],-e[2],e[1]])}function uh(e){return new Float64Array([e[0],e[2],-e[1]])}const dh=d.vec3(),ph=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class gh extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originMarker=new ne(i,t.origin),this._targetMarker=new ne(i,t.target),this._originWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new le(this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new le(this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new ae(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new ae(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new ae(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new ae(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new Ae(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new Ae(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new Ae(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new Ae(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originMarker.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetMarker.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._targetWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originMarker.viewPos[2],i=this._targetMarker.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],c=0;const i=this.plugin.viewer.scene.metrics,g=i.scale,m=i.units,f=i.unitsInfo[m].abbrev;for(var u=0,p=s.length;u<p;u+=4)r[c]=a+Math.floor((1+s[u+0]/s[u+3])*A/2),r[c+1]=n+Math.floor((1-s[u+1]/s[u+3])*h/2),c+=2;if(this._originDot.setPos(r[0],r[1]),this._targetDot.setPos(r[6],r[7]),this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(d.lenVec3(d.subVec3(this._targetWorld,this._originWorld,dh))),this._lengthLabel.setText(e+(this._length*g).toFixed(2)+f);const t=Math.abs(ph(r[0],r[1],r[2],r[3])),i=Math.abs(ph(r[2],r[3],r[4],r[5])),s=Math.abs(ph(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs((this._targetWorld[0]-this._originWorld[0])*g).toFixed(2)+f),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs((this._targetWorld[1]-this._originWorld[1])*g).toFixed(2)+f),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):(this._zAxisLabel.setText(e+Math.abs((this._targetWorld[2]-this._originWorld[2])*g).toFixed(2)+f),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originMarker}get target(){return this._targetMarker}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled),this._lengthLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class mh extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}destroy(){}}class fh extends mh{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._onCameraControlHoverSnapOrSurface=null,this._onCameraControlHoverSnapOrSurfaceOff=null,this._onMouseDown=null,this._onMouseUp=null,this._onCanvasTouchStart=null,this._onCanvasTouchEnd=null,this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div");e.setAttribute("id","myMarkerDiv");const t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){if(this._markerDiv){const e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this._markerDiv=null}}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){e!==this._snapping?(this._snapping=e,this.deactivate(),this.activate()):this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=d.vec3(),n=d.vec2();let a,l;let A=null;this._mouseState=0;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==s.parentNode&&h(e.offsetParent)),c=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==s.parentNode&&c(e.offsetParent)),u=d.vec2();this._onCameraControlHoverSnapOrSurface=i.on(this._snapping?"hoverSnapOrSurface":"hoverSurface",(e=>{const t=e.snappedCanvasPos||e.canvasPos;r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState?(this._canvasToPagePos?(this._canvasToPagePos(s,t,u),this._markerDiv.style.left=u[0]-5+"px",this._markerDiv.style.top=u[1]-5+"px"):(this._markerDiv.style.left=c(s)+t[0]-5+"px",this._markerDiv.style.top=h(s)+t[1]-5+"px"),this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity):(this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px"),s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))}),this._onCameraControlHoverSnapOrSurfaceOff=i.on(this._snapping?"hoverSnapOrSurfaceOff":"hoverOff",(e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this._markerDiv&&this._destroyMarkerDiv(),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onCameraControlHoverSnapOrSurface),t.off(this._onCameraControlHoverSnapOrSurfaceOff),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null))}destroy(){this.deactivate(),super.destroy()}}class _h extends Q{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new fh(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new gh(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class vh extends Q{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor||1,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e||1}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class bh{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=xh(e,i);return s?t?wh(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=xh(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=wh(r,[t]),i&&(r=wh(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(e,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new t),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[e];s||(s={},this._eventSubs[e]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=e;const o=this._events[e];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function xh(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function wh(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}d.vec3();const yh=d.vec3(),Ph=d.vec3(),Bh=d.vec3(),Ch=d.vec3(),Mh=d.vec3();class Eh extends D{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=d.vec3(),this._eye1=d.vec3(),this._up1=d.vec3(),this._look2=d.vec3(),this._eye2=d.vec3(),this._up2=d.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((_.isNumeric(s)||_.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+_.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=d.getAABB3Center(o);this._look2=h||t;const i=d.subVec3(this._eye1,this._look1,yh),s=d.normalizeVec3(i),r=h?d.getAABB3DiagPoint(o,h):d.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*d.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,M.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((_.isNumeric(t)||_.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+_.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?d.getAABB3DiagPoint(i,a):d.getAABB3Diag(i);let s;o=a||d.getAABB3Center(i,o),this._trail?d.subVec3(t.look,o,Mh):d.subVec3(t.eye,t.look,Mh),d.normalizeVec3(Mh);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*d.DEGTORAD)):d.lenVec3(d.subVec3(t.eye,t.look,yh)),d.mulVec3Scalar(Mh,s),t.eye=d.addVec3(o,Mh,yh),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Eh._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(d.subVec3(s.eye,s.look,Mh),s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,Bh),s.look=d.subVec3(Bh,Mh,Ph)):this._flyingLook&&(s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Ph),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Ch)):this._flyingEyeLookUp&&(s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,Bh),s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Ph),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Ch)),this._projection2){const t="ortho"===this._projection2?Eh._easeOutExpo(e,0,1,1):Eh._easeInCubic(e,0,1,1);s.customProjection.matrix=d.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();M.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Fh extends D{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Eh(this),this._t=0,this.state=Fh.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Fh.SCRUBBING:return;case Fh.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Fh.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Fh.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Fh.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Fh.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Fh.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Fh.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Fh.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Fh.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Fh.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Fh.STOPPED=0,Fh.SCRUBBING=1,Fh.PLAYING=2,Fh.PLAYING_TO=3,d.vec3(),d.vec3(),d.vec3(),d.vec3([0,-1,0]),d.vec4([0,0,0,1]);const Ih=d.vec3();class Dh{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?_.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(Ih[0]=this.objectsColorize[3*e+0],Ih[1]=this.objectsColorize[3*e+1],Ih[2]=this.objectsColorize[3*e+2],t.colorize=Ih),c&&(t.opacity=this.objectsOpacity[e]))}}}d.vec3();const Sh=d.vec4(),Th=d.vec4(),Rh=d.vec3(),Lh=d.vec3(),Uh=d.vec3(),kh=d.vec4(),Oh=d.vec4(),Nh=d.vec4();class Qh{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=d.subVec3(e,r.eye,Rh);s=d.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,kh),o=d.subVec3(s,r.eye,Nh),n=d.mulVec3Scalar(d.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=d.subVec3(e,r.eye,Rh),i=d.lenVec3(t),s=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,Lh)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,kh);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,Oh),o=d.subVec3(s,e,Nh),n=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,Rh)),-i,Lh),a=d.addVec3(o,n,Uh);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o);return i.project.unproject(e,a,Sh,Th,t),t}destroy(){}}const Vh=d.vec3(),jh=d.vec3(),Hh=d.vec3(),zh=d.vec4(),Gh=d.vec4(),Wh=d.vec4();class Kh{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=d.vec3(),this._cameraOffset=d.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=d.vec3(),this._rtcPos=d.vec3(),this._pivotViewPos=d.vec4(),this._pivotProjPos=d.vec4(),this._pivotCanvasPos=d.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=d.vec3();d.decomposeMat4(d.inverseMat4(this._scene.viewer.camera.viewMatrix,d.mat4()),t,d.vec4(),d.vec3());const i=d.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),H(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new ks(this._scene,ps({radius:s})),this._pivotSphere=new cs(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){d.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,d.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(H(this.getPivotPos(),this._rtcCenter,this._rtcPos),d.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new kt(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=d.lookAtMat4v(e.eye,e.look,e.worldUp);d.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=d.distVec3(e.eye,i),t=d.inverseMat4(t);const s=d.transformVec3(t,this._cameraOffset),r=d.vec3();if(d.subVec3(e.eye,i,r),d.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=d.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=d.normalizeVec3(d.subVec3(e.look,e.eye,Vh)),i=d.cross3Vec3(t,e.worldUp,jh);return d.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(d.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o),l=zh;t.project.unproject(e,a,Gh,Wh,l);const A=d.normalizeVec3(d.subVec3(l,t.eye,Vh)),h=d.addVec3(t.eye,d.mulVec3Scalar(A,i,jh),Hh);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=d.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=d.lenVec3(d.subVec3(i.look,i.eye,d.vec3())),a=this.getPivotPos();d.addVec3(o,a);let l=d.lookAtMat4v(o,a,i.worldUp);l=d.inverseMat4(l);const A=d.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],d.subVec3(i.eye,d.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class Xh{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=d.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new we;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const Yh=d.vec2();class qh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController;let n,a,l,A=0,h=0,c=0,u=0,p=!1;const g=d.vec3();let m=!0;const f=this._scene.canvas.canvas,_=[];function v(e=!0){f.style.cursor="move",A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],c=s.pointerCanvasPos[0],u=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(p=!0,g.set(o.pickResult.worldPos)):p=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!1}),f.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:_[e.input.KEY_SHIFT]||i.planView?(n=!0,v()):(n=!0,v(!1));break;case 2:a=!0,v();break;case 3:l=!0,i.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!n&&!a&&!l)return;const o=e.canvas.boundary,c=o[2],u=o[3],m=s.pointerCanvasPos[0],f=s.pointerCanvasPos[1],v=_[e.input.KEY_SHIFT]||i.planView||!i.panRightClick&&a||i.panRightClick&&l,b=document.pointerLockElement?t.movementX:m-A,x=document.pointerLockElement?t.movementY:f-h;if(v){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(p?d.lenVec3(d.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*b*i/u,r.panDeltaY+=1.5*x*i/u}else r.panDeltaX+=.5*t.ortho.scale*(b/u),r.panDeltaY+=.5*t.ortho.scale*(x/u)}else!n||a||l||i.planView||(i.firstPerson?(r.rotateDeltaY-=b/c*i.dragRotationRate/2,r.rotateDeltaX+=x/u*(i.dragRotationRate/4)):(r.rotateDeltaY-=b/c*(1.5*i.dragRotationRate),r.rotateDeltaX+=x/u*(1.5*i.dragRotationRate)));A=m,h=f}),f.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(i.active&&i.pointerEnabled)switch(e.which){case 1:case 2:case 3:n=!1,a=!1,l=!1}}),f.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Yh);const i=Yh[0],s=Yh[1];Math.abs(i-c)<3&&Math.abs(s-u)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Yh,event:e},!0)}f.style.removeProperty("cursor")}}),f.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const b=1/60;let x=null;f.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=performance.now()/1e3;var o=null!==x?t-x:0;x=t,o>.05&&(o=.05),o<b&&(o=b);const n=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===n)return;const a=n/Math.abs(n);r.dollyDelta+=-a*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Zh=d.vec3(),Jh=d.vec3(),$h=d.vec3(),ec=d.vec3(),tc=d.vec3(),ic={eye:d.vec3(),look:d.vec3(),up:d.vec3()};class sc{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const u=e.aabb,p=d.getAABB3Diag(u);d.getAABB3Center(u,Zh);const g=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*d.DEGTORAD)),m=1.1*p;ic.orthoScale=m,n?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldRight,g,Jh),tc)),ic.look.set(Zh),ic.up.set(o.worldUp)):a?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldForward,g,Jh),tc)),ic.look.set(Zh),ic.up.set(o.worldUp)):l?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldRight,-g,Jh),tc)),ic.look.set(Zh),ic.up.set(o.worldUp)):A?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldForward,-g,Jh),tc)),ic.look.set(Zh),ic.up.set(o.worldUp)):h?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldUp,g,Jh),tc)),ic.look.set(Zh),ic.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,1,$h),ec))):c&&(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldUp,-g,Jh),tc)),ic.look.set(Zh),ic.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,-1,$h)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(Zh),t.cameraFlight.duration>0?t.cameraFlight.flyTo(ic,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(ic),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class rc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},u=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),d=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||d)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=d,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",u),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),u=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),g=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||u||p||g))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||u||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=d.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=d.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class oc{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&s.mouseover&&(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move"))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),g=A._isKeyDownForAction(A.PAN_UP,n),m=A._isKeyDownForAction(A.PAN_DOWN,n),f=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||g||m)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),m?r.panDeltaY+=f:g&&(r.panDeltaY+=-f),p?r.panDeltaX+=-f:d&&(r.panDeltaX+=f),u?r.panDeltaZ+=f:c&&(r.panDeltaZ+=-f))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const nc=.001,ac=d.vec3();class lc{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,c=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<nc&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<nc&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<nc&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?c=n.pickResult.worldPos:(h=1,c=null),s.followPointerDirty=!1),c){const t=Math.abs(d.lenVec3(d.subVec3(c,e.camera.eye,ac)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,c=null;const u=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<nc&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<nc&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<nc&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=d.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==u){if(t=u<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.pan([0,0,u]),o.ortho.scale=o.ortho.scale-u;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);else if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Ac{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{hc(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(hc(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function hc(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s-window.scrollX,i[1]=e.clientY-r-window.scrollY}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const cc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class uc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=d.vec2(),l=d.vec2(),A=d.vec2(),h=d.vec2(),c=[],u=this._scene.canvas.canvas;let p=0,g=!1;this._onTick=e.on("tick",(()=>{g=!1})),u.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(cc(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(d.vec2());for(let e=0,t=r.length;e<t;++e)cc(r[e],c[e]);p=r.length}),u.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),u.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),g)return;g=!0;const n=e.canvas.boundary,a=n[2],u=n[3],m=t.touches;if(t.touches.length===p){if(1===p){cc(m[0],l),d.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/u*i.touchPanRate,r.panDeltaY+=o*n/u*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/u)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/u)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/u*(1.5*i.dragRotationRate)}else if(2===p){const t=m[0],n=m[1];cc(t,l),cc(n,A);const a=d.geometricMeanVec2(c[0],c[1]),h=d.geometricMeanVec2(l,A),p=d.vec2();d.subVec2(a,h,p);const g=p[0],f=p[1],_=e.camera,v=d.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(d.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(d.lenVec3(d.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=g*s/u*i.touchPanRate,r.panDeltaY-=f*s/u*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(g/u)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(f/u)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)cc(m[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const dc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class pc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const u=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};u.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,dc(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)dc(r[e],l[e]);l.length=r.length},{passive:!0}),u.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,u=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(dc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):d.distVec2(l[0],A)<4&&(dc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class gc extends D{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapToVertex:true,snapToEdge:true,snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:d.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:d.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new Xh(this,this._configs),pivotController:new Kh(i,this._configs),panController:new Qh(i),cameraFlight:new Eh(this,{duration:.5})},this._handlers=[new Ac(this.scene,this._controllers,this._configs,this._states,this._updates),new uc(this.scene,this._controllers,this._configs,this._states,this._updates),new qh(this.scene,this._controllers,this._configs,this._states,this._updates),new sc(this.scene,this._controllers,this._configs,this._states,this._updates),new rc(this.scene,this._controllers,this._configs,this._states,this._updates),new pc(this.scene,this._controllers,this._configs,this._states,this._updates),new oc(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new lc(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",_.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){if(t[i[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class mc{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class fc{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];this.properties.push(new mc(i.name,i.value,i.type,i.valueType,i.description))}}}}class _c{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class vc{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}get rootMetaObject(){return 1==this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(e.propertySets)for(let t=0,r=e.propertySets.length;t<r;t++){const r=e.propertySets[t];r.properties||(r.properties=[]);let o=i.propertySets[r.id];o||(s&&this._decompressProperties(s,r.properties),o=new fc({id:r.id,originalSystemId:r.originalSystemId||r.id,type:r.type,name:r.name,properties:r.properties}),i.propertySets[o.id]=o),o.metaModels.push(this),this.propertySets.push(o)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new _c({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects.push(o),s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){for(let i=0,s=t.length;i<s;i++){const s=t[i];if(Number.isInteger(s)){const r=e[s];r&&(t[i]=r)}}}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e=0,t=i.metaObjects.length;e<t;e++){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]};for(let t=0,i=this.metaObjects.length;t<i;t++){const i=this.metaObjects[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name};i.parent&&(s.parent=i.parent.id),i.attributes&&(s.attributes=i.attributes),i.propertySetIds&&(s.propertySetIds=i.propertySetIds),e.metaObjects.push(s)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=d.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=d.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(d.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=d.globalizeObjectId(this.id,s.id))}}}class bc{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new vc({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?xc(t):null,n=i&&i.length>0?xc(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function xc(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
+   **/let EA=null;function FA(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=EA[i],o=EA[i+1],n=EA[i+2]),c=Math.min(a=EA[s],l=EA[s+1],A=EA[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let IA=null;function DA(e,t){let i=IA[2*e]-IA[2*t];return 0!==i?i:IA[2*e+1]-IA[2*t+1]}function SA(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;EA=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)EA[i]=e[i]>>t;i.sort(FA);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}IA=new Int32Array(e),t.sort(DA);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,g=2*s.length+(r.length+o.length)*d;let m=0,f=-s.length/3;return h.forEach((e=>{m+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,f+=e.positionsCompressed.length/3})),m>g?[e]:(i&&function(e,t){const i={};let s=0;e.forEach((e=>{const t=e.indices,r=e.edgeIndices,o=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=o[3*t[e]]+"_"+o[3*t[e]+1]+"_"+o[3*t[e]+2]+"/"+o[3*t[e+1]]+"_"+o[3*t[e+1]+1]+"_"+o[3*t[e+1]+2]+"/"+o[3*t[e+2]]+"_"+o[3*t[e+2]+1]+"_"+o[3*t[e+2]+2];i[s]=!0}s+=e.edgeIndices.length/2;for(let e=0,t=r.length;e<t;e+=2)o[3*r[e]],o[3*r[e]+1],o[3*r[e]+2],o[3*r[e+1]],o[3*r[e+1]+1],o[3*r[e+1]+2]}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const TA=d.vec4(4),RA=d.vec4(),LA=d.vec4(),UA=d.vec3([1,0,0]),kA=d.vec3([0,1,0]),OA=d.vec3([0,0,1]);d.vec3(3),d.vec3(3);const NA=d.identityMat4();class QA{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=d.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=d.identityMat4(new Float32Array(16)),this._worldMatrix=d.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||NA),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return TA[0]=e[0],TA[1]=e[1],TA[2]=e[2],TA[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(TA,RA),d.mulQuaternions(this.quaternion,RA,LA),this.quaternion=LA,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return TA[0]=e[0],TA[1]=e[1],TA[2]=e[2],TA[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(TA,RA),d.mulQuaternions(RA,this.quaternion,RA),this}rotateX(e){return this.rotate(UA,e)}rotateY(e){return this.rotate(kA,e)}rotateZ(e){return this.rotate(OA,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)d.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const VA=d.vec3(),jA=d.OBB3(),HA=d.vec3([1,1,1]),zA=d.vec3([0,0,0]),GA=d.vec3([0,0,0]),WA=d.identityQuaternion(),KA=d.identityMat4(),XA="defaultColorTexture",YA="defaultMetalRoughTexture",qA="defaultNormalsTexture",ZA="defaultEmissiveTexture",JA="defaultOcclusionTexture",$A="defaultTextureSet",eh=new Uint8Array([255,255,255]);class th extends D{constructor(e,t={}){super(e,t),this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(Ks++,Ws),this._textureTranscoder=t.textureTranscoder||function(e){const t=e.scene.id;let i=yA[t];return i||(i=new wA({viewer:e}),yA[t]=i,e.scene.on("destroyed",(()=>{delete yA[t],i.destroy()}))),i}(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=d.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._entityList=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new es,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._edgeThreshold=t.edgeThreshold||10,this._origin=d.vec3(t.origin||[0,0,0]),this._position=d.vec3(t.position||[0,0,0]),this._rotation=d.vec3(t.rotation||[0,0,0]),this._quaternion=d.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=d.vec4(t.quaternion||[0,0,0,1]),t.rotation&&d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=d.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=d.mat4(),this._worldRotationMatrixConjugate=d.mat4(),this._matrix=d.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=d.mat4(),d.inverseMat4(this._matrix,this._worldNormalMatrix),d.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=d.mat4(),this._viewNormalMatrix=d.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new gA({id:XA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new gA({id:YA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new gA({id:qA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new gA({id:ZA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new gA({id:JA,texture:new Es({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new pA({id:$A,model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||KA),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)d.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Vr(e.aabb,d.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Vr(e.positionsDecodeBoundary,d.mat4())),e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Qr(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),d.expandAABB3Points3(t,e.positionsCompressed),Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=d.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=wt(e.positions,e.indices,null,5):e.edgeIndices=wt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Ft.getUVBounds(e.uv),i=Ft.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||ni;i!==ri&&i!==oi&&i!==ni&&i!==si&&i!==ii&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=ni);let s=e.magFilter||ri;s!==ri&&s!==ti&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=ri);let r=e.wrapS||Jt;r!==$t&&r!==ei&&r!==Jt&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=Jt);let o=e.wrapT||Jt;o!==$t&&o!==ei&&o!==Jt&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=Jt);let n=e.wrapR||Jt;n!==$t&&n!==ei&&n!==Jt&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=Jt);let a=e.encoding||vi;a!==vi&&a!==bi&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=vi);const l=new Es({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?_.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new gA({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new pA({id:t,model:this,colorTexture:i,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new QA({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position){const t=e.scale||HA,i=e.position||zA,s=e.rotation||GA;d.eulerToQuaternion(s,"XYZ",WA),e.meshMatrix=d.composeMat4(i,WA,t,d.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Vr(e.positionsDecodeBoundary,d.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):eh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=d.vec3(),i=[];z(e.positions,i,t)&&(e.positions=i,e.origin=d.addVec3(e.origin,t,t))}if(e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Qr(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=d.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,jA),d.transformOBB3(e.meshMatrix,jA),d.OBB3ToAABB3(jA,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=wt(e.positions,e.indices,null,2):e.edgeIndices=wt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=ih(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];z(e.positions,t,VA)&&(e.positions=t,e.origin=d.addVec3(e.origin,VA,d.vec3()))}if(e.positions){const t=d.collapseAABB3();e.meshMatrix&&(d.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),d.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),Ft.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,jA),d.transformOBB3(e.meshMatrix,jA),d.OBB3ToAABB3(jA,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=wt(e.positions,e.indices,null,2):e.edgeIndices=wt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix.slice();else{const t=e.scale||HA,i=e.position||zA,s=e.rotation||GA;d.eulerToQuaternion(s,"XYZ",WA),e.meshMatrix=d.composeMat4(i,WA,t,d.mat4())}d.AABB3ToOBB3(e.geometry.aabb,jA),d.transformOBB3(e.meshMatrix,jA),e.aabb=d.OBB3ToAABB3(jA,d.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):eh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=ih(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):eh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createMesh(e){const t=new Gs(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=d.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;r.finalize(),delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new dA(this,{layerIndex:0,origin:t});break;case"lines":r=new za(this,{layerIndex:0,origin:t});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin,s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new eo({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0});break;case"lines":n=new un({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize});break;case"points":n=new ea({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new Wo({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new Wo({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Sn({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new Ba({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),n}createEntity(e){if(void 0===e.id?e.id=d.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=d.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;this._visible&&!1!==e.visible&&(t|=W),this._pickable&&!1!==e.pickable&&(t|=X),this._culled&&!1!==e.culled&&(t|=K),this._clippable&&!1!==e.clippable&&(t|=Y),this._collidable&&!1!==e.collidable&&(t|=q),this._edges&&!1!==e.edges&&(t|=ee),this._xrayed&&!1!==e.xrayed&&(t|=Z),this._highlighted&&!1!==e.highlighted&&(t|=J),this._selected&&!1!==e.selected&&(t|=$),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new se(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(i),this._entities[e.id]=i,this.numEntities++}finalize(){if(!this.destroyed){this._createDummyEntityForUnusedMeshes();for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].finalize()}this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._dtxLayers={},this._vboInstancingLayers={},this._vboBatchingLayers={};for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize()}for(let e=0,t=this._entityList.length;e<t;e++){this._entityList[e]._finalize2()}this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position}}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-dummyEntityForUnusedMeshes`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorOpaque(t,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Ks&&(Ks--,0===Ks&&Ws._clear()),super.destroy()}}function ih(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=MA({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=SA({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class sh extends D{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new th(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const rh=d.vec3(),oh=d.vec3(),nh=d.vec3(),ah=d.vec3();class lh extends Q{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=d.normalizeVec3(d.subVec3(i.look,i.eye,d.vec3())),a=i.eye,l=i.up;i.yUp&&(n=ch(n),a=ch(a),l=ch(l));const A=Ah(d.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:Ah(n),camera_up_vector:Ah(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:Ah(n),camera_up_vector:Ah(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?d.negateVec3(t.dir,d.vec3()):t.dir,i.yUp&&(a=ch(a),n=ch(n)),d.addVec3(a,s),a=Ah(a),n=Ah(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const u=t.bitmaps;for(let e in u)if(u.hasOwnProperty(e)){let t=u[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=ch(r),n=ch(n),a=ch(a)),d.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:Ah(r),normal:Ah(n),up:Ah(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),g=new Set(t.xrayedObjectIds),m=new Set(t.colorizedObjectIds),f=Object.values(t.objects).filter((e=>p.has(e.id)||m.has(e.id)||g.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(f).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,x=t.visibleObjectIds,w=v.filter((e=>!b[e])),y=t.selectedObjectIds;return e.defaultInvisible||x.length<w.length?(o.components.visibility.exceptions=this._createBCFComponents(x),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(w),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(y),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=hh(e.location,rh),i=hh(e.direction,rh);A&&d.negateVec3(i),d.subVec3(t,l),r.yUp&&(t=uh(t),i=uh(i)),new gs(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new sh(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=hh(e.location,oh),n=hh(e.normal,nh),a=hh(e.up,ah),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=uh(o),n=uh(n),a=uh(a)),new Vs(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=hh(e.perspective_camera.camera_view_point,rh),A=hh(e.perspective_camera.camera_direction,rh),h=hh(e.perspective_camera.camera_up_vector,rh),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=hh(e.orthogonal_camera.camera_view_point,rh),A=hh(e.orthogonal_camera.camera_direction,rh),h=hh(e.orthogonal_camera.camera_up_vector,rh),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),d.subVec3(a,l),r.yUp&&(a=uh(a),A=uh(A),h=uh(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:d.addVec3(a,A,rh)}else A=d.addVec3(a,A,rh);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=d.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function Ah(e){return{x:e[0],y:e[1],z:e[2]}}function hh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function ch(e){return new Float64Array([e[0],-e[2],e[1]])}function uh(e){return new Float64Array([e[0],e[2],-e[1]])}const dh=d.vec3(),ph=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class gh extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originMarker=new ne(i,t.origin),this._targetMarker=new ne(i,t.target),this._originWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new le(this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new le(this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new ae(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new ae(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new ae(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new ae(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new Ae(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new Ae(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new Ae(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new Ae(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originMarker.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetMarker.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._targetWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originMarker.viewPos[2],i=this._targetMarker.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],c=0;const i=this.plugin.viewer.scene.metrics,g=i.scale,m=i.units,f=i.unitsInfo[m].abbrev;for(var u=0,p=s.length;u<p;u+=4)r[c]=a+Math.floor((1+s[u+0]/s[u+3])*A/2),r[c+1]=n+Math.floor((1-s[u+1]/s[u+3])*h/2),c+=2;if(this._originDot.setPos(r[0],r[1]),this._targetDot.setPos(r[6],r[7]),this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(d.lenVec3(d.subVec3(this._targetWorld,this._originWorld,dh))),this._lengthLabel.setText(e+(this._length*g).toFixed(2)+f);const t=Math.abs(ph(r[0],r[1],r[2],r[3])),i=Math.abs(ph(r[2],r[3],r[4],r[5])),s=Math.abs(ph(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs((this._targetWorld[0]-this._originWorld[0])*g).toFixed(2)+f),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs((this._targetWorld[1]-this._originWorld[1])*g).toFixed(2)+f),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):(this._zAxisLabel.setText(e+Math.abs((this._targetWorld[2]-this._originWorld[2])*g).toFixed(2)+f),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originMarker}get target(){return this._targetMarker}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled),this._lengthLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class mh extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}destroy(){}}class fh extends mh{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._onCameraControlHoverSnapOrSurface=null,this._onCameraControlHoverSnapOrSurfaceOff=null,this._onMouseDown=null,this._onMouseUp=null,this._onCanvasTouchStart=null,this._onCanvasTouchEnd=null,this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div");e.setAttribute("id","myMarkerDiv");const t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){if(this._markerDiv){const e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this._markerDiv=null}}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){e!==this._snapping?(this._snapping=e,this.deactivate(),this.activate()):this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=d.vec3(),n=d.vec2();let a,l;let A=null;this._mouseState=0;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==s.parentNode&&h(e.offsetParent)),c=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==s.parentNode&&c(e.offsetParent)),u=d.vec2();this._onCameraControlHoverSnapOrSurface=i.on(this._snapping?"hoverSnapOrSurface":"hoverSurface",(e=>{const t=e.snappedCanvasPos||e.canvasPos;r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState?(this._canvasToPagePos?(this._canvasToPagePos(s,t,u),this._markerDiv.style.left=u[0]-5+"px",this._markerDiv.style.top=u[1]-5+"px"):(this._markerDiv.style.left=c(s)+t[0]-5+"px",this._markerDiv.style.top=h(s)+t[1]-5+"px"),this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity):(this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px"),s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))}),this._onCameraControlHoverSnapOrSurfaceOff=i.on(this._snapping?"hoverSnapOrSurfaceOff":"hoverOff",(e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this._markerDiv&&this._destroyMarkerDiv(),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onCameraControlHoverSnapOrSurface),t.off(this._onCameraControlHoverSnapOrSurfaceOff),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null))}destroy(){this.deactivate(),super.destroy()}}class _h extends Q{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new fh(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new gh(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class vh extends Q{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor||1,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e||1}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class bh{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=xh(e,i);return s?t?wh(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=xh(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=wh(r,[t]),i&&(r=wh(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(e,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new t),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[e];s||(s={},this._eventSubs[e]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=e;const o=this._events[e];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function xh(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function wh(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}d.vec3();const yh=d.vec3(),Ph=d.vec3(),Bh=d.vec3(),Ch=d.vec3(),Mh=d.vec3();class Eh extends D{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=d.vec3(),this._eye1=d.vec3(),this._up1=d.vec3(),this._look2=d.vec3(),this._eye2=d.vec3(),this._up2=d.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((_.isNumeric(s)||_.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+_.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=d.getAABB3Center(o);this._look2=h||t;const i=d.subVec3(this._eye1,this._look1,yh),s=d.normalizeVec3(i),r=h?d.getAABB3DiagPoint(o,h):d.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*d.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,M.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((_.isNumeric(t)||_.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+_.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?d.getAABB3DiagPoint(i,a):d.getAABB3Diag(i);let s;o=a||d.getAABB3Center(i,o),this._trail?d.subVec3(t.look,o,Mh):d.subVec3(t.eye,t.look,Mh),d.normalizeVec3(Mh);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*d.DEGTORAD)):d.lenVec3(d.subVec3(t.eye,t.look,yh)),d.mulVec3Scalar(Mh,s),t.eye=d.addVec3(o,Mh,yh),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Eh._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(d.subVec3(s.eye,s.look,Mh),s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,Bh),s.look=d.subVec3(Bh,Mh,Ph)):this._flyingLook&&(s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Ph),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Ch)):this._flyingEyeLookUp&&(s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,Bh),s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Ph),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Ch)),this._projection2){const t="ortho"===this._projection2?Eh._easeOutExpo(e,0,1,1):Eh._easeInCubic(e,0,1,1);s.customProjection.matrix=d.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();M.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Fh extends D{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Eh(this),this._t=0,this.state=Fh.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Fh.SCRUBBING:return;case Fh.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Fh.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Fh.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Fh.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Fh.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Fh.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Fh.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Fh.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Fh.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Fh.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Fh.STOPPED=0,Fh.SCRUBBING=1,Fh.PLAYING=2,Fh.PLAYING_TO=3,d.vec3(),d.vec3(),d.vec3(),d.vec3([0,-1,0]),d.vec4([0,0,0,1]);const Ih=d.vec3();class Dh{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?_.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(Ih[0]=this.objectsColorize[3*e+0],Ih[1]=this.objectsColorize[3*e+1],Ih[2]=this.objectsColorize[3*e+2],t.colorize=Ih),c&&(t.opacity=this.objectsOpacity[e]))}}}d.vec3();const Sh=d.vec4(),Th=d.vec4(),Rh=d.vec3(),Lh=d.vec3(),Uh=d.vec3(),kh=d.vec4(),Oh=d.vec4(),Nh=d.vec4();class Qh{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=d.subVec3(e,r.eye,Rh);s=d.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,kh),o=d.subVec3(s,r.eye,Nh),n=d.mulVec3Scalar(d.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=d.subVec3(e,r.eye,Rh),i=d.lenVec3(t),s=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,Lh)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,kh);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,Oh),o=d.subVec3(s,e,Nh),n=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,Rh)),-i,Lh),a=d.addVec3(o,n,Uh);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o);return i.project.unproject(e,a,Sh,Th,t),t}destroy(){}}const Vh=d.vec3(),jh=d.vec3(),Hh=d.vec3(),zh=d.vec4(),Gh=d.vec4(),Wh=d.vec4();class Kh{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=d.vec3(),this._cameraOffset=d.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=d.vec3(),this._rtcPos=d.vec3(),this._pivotViewPos=d.vec4(),this._pivotProjPos=d.vec4(),this._pivotCanvasPos=d.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=d.vec3();d.decomposeMat4(d.inverseMat4(this._scene.viewer.camera.viewMatrix,d.mat4()),t,d.vec4(),d.vec3());const i=d.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),H(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new ks(this._scene,ps({radius:s})),this._pivotSphere=new cs(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){d.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,d.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(H(this.getPivotPos(),this._rtcCenter,this._rtcPos),d.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new kt(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=d.lookAtMat4v(e.eye,e.look,e.worldUp);d.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=d.distVec3(e.eye,i),t=d.inverseMat4(t);const s=d.transformVec3(t,this._cameraOffset),r=d.vec3();if(d.subVec3(e.eye,i,r),d.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=d.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=d.normalizeVec3(d.subVec3(e.look,e.eye,Vh)),i=d.cross3Vec3(t,e.worldUp,jh);return d.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(d.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o),l=zh;t.project.unproject(e,a,Gh,Wh,l);const A=d.normalizeVec3(d.subVec3(l,t.eye,Vh)),h=d.addVec3(t.eye,d.mulVec3Scalar(A,i,jh),Hh);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=d.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=d.lenVec3(d.subVec3(i.look,i.eye,d.vec3())),a=this.getPivotPos();d.addVec3(o,a);let l=d.lookAtMat4v(o,a,i.worldUp);l=d.inverseMat4(l);const A=d.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],d.subVec3(i.eye,d.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class Xh{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=d.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new we;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const Yh=d.vec2();class qh{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController;let n,a,l,A=0,h=0,c=0,u=0,p=!1;const g=d.vec3();let m=!0;const f=this._scene.canvas.canvas,_=[];function v(e=!0){f.style.cursor="move",A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],c=s.pointerCanvasPos[0],u=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(p=!0,g.set(o.pickResult.worldPos)):p=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!1}),f.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:_[e.input.KEY_SHIFT]||i.planView?(n=!0,v()):(n=!0,v(!1));break;case 2:a=!0,v();break;case 3:l=!0,i.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!n&&!a&&!l)return;const o=e.canvas.boundary,c=o[2],u=o[3],m=s.pointerCanvasPos[0],f=s.pointerCanvasPos[1],v=_[e.input.KEY_SHIFT]||i.planView||!i.panRightClick&&a||i.panRightClick&&l,b=document.pointerLockElement?t.movementX:m-A,x=document.pointerLockElement?t.movementY:f-h;if(v){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(p?d.lenVec3(d.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*b*i/u,r.panDeltaY+=1.5*x*i/u}else r.panDeltaX+=.5*t.ortho.scale*(b/u),r.panDeltaY+=.5*t.ortho.scale*(x/u)}else!n||a||l||i.planView||(i.firstPerson?(r.rotateDeltaY-=b/c*i.dragRotationRate/2,r.rotateDeltaX+=x/u*(i.dragRotationRate/4)):(r.rotateDeltaY-=b/c*(1.5*i.dragRotationRate),r.rotateDeltaX+=x/u*(1.5*i.dragRotationRate)));A=m,h=f}),f.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(i.active&&i.pointerEnabled)switch(e.which){case 1:case 2:case 3:n=!1,a=!1,l=!1}}),f.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Yh);const i=Yh[0],s=Yh[1];Math.abs(i-c)<3&&Math.abs(s-u)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Yh,event:e},!0)}f.style.removeProperty("cursor")}}),f.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const b=1/60;let x=null;f.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=performance.now()/1e3;var o=null!==x?t-x:0;x=t,o>.05&&(o=.05),o<b&&(o=b);const n=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===n)return;const a=n/Math.abs(n);r.dollyDelta+=-a*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Zh=d.vec3(),Jh=d.vec3(),$h=d.vec3(),ec=d.vec3(),tc=d.vec3(),ic={eye:d.vec3(),look:d.vec3(),up:d.vec3()};class sc{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const u=e.aabb,p=d.getAABB3Diag(u);d.getAABB3Center(u,Zh);const g=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*d.DEGTORAD)),m=1.1*p;ic.orthoScale=m,n?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldRight,g,Jh),tc)),ic.look.set(Zh),ic.up.set(o.worldUp)):a?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldForward,g,Jh),tc)),ic.look.set(Zh),ic.up.set(o.worldUp)):l?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldRight,-g,Jh),tc)),ic.look.set(Zh),ic.up.set(o.worldUp)):A?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldForward,-g,Jh),tc)),ic.look.set(Zh),ic.up.set(o.worldUp)):h?(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldUp,g,Jh),tc)),ic.look.set(Zh),ic.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,1,$h),ec))):c&&(ic.eye.set(d.addVec3(Zh,d.mulVec3Scalar(o.worldUp,-g,Jh),tc)),ic.look.set(Zh),ic.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,-1,$h)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(Zh),t.cameraFlight.duration>0?t.cameraFlight.flyTo(ic,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(ic),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class rc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},u=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),d=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||d)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=d,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",u),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),u=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),g=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||u||p||g))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||u||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=d.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=d.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class oc{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&s.mouseover&&(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move"))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),g=A._isKeyDownForAction(A.PAN_UP,n),m=A._isKeyDownForAction(A.PAN_DOWN,n),f=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||g||m)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),m?r.panDeltaY+=f:g&&(r.panDeltaY+=-f),p?r.panDeltaX+=-f:d&&(r.panDeltaX+=f),u?r.panDeltaZ+=f:c&&(r.panDeltaZ+=-f))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const nc=.001,ac=d.vec3();class lc{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,c=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<nc&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<nc&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<nc&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?c=n.pickResult.worldPos:(h=1,c=null),s.followPointerDirty=!1),c){const t=Math.abs(d.lenVec3(d.subVec3(c,e.camera.eye,ac)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,c=null;const u=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<nc&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<nc&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<nc&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=d.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==u){if(t=u<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.pan([0,0,u]),o.ortho.scale=o.ortho.scale-u;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);else if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Ac{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{hc(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(hc(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function hc(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const cc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class uc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=d.vec2(),l=d.vec2(),A=d.vec2(),h=d.vec2(),c=[],u=this._scene.canvas.canvas;let p=0,g=!1;this._onTick=e.on("tick",(()=>{g=!1})),u.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(cc(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(d.vec2());for(let e=0,t=r.length;e<t;++e)cc(r[e],c[e]);p=r.length}),u.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),u.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),g)return;g=!0;const n=e.canvas.boundary,a=n[2],u=n[3],m=t.touches;if(t.touches.length===p){if(1===p){cc(m[0],l),d.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/u*i.touchPanRate,r.panDeltaY+=o*n/u*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/u)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/u)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/u*(1.5*i.dragRotationRate)}else if(2===p){const t=m[0],n=m[1];cc(t,l),cc(n,A);const a=d.geometricMeanVec2(c[0],c[1]),h=d.geometricMeanVec2(l,A),p=d.vec2();d.subVec2(a,h,p);const g=p[0],f=p[1],_=e.camera,v=d.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(d.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(d.lenVec3(d.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=g*s/u*i.touchPanRate,r.panDeltaY-=f*s/u*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(g/u)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(f/u)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)cc(m[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const dc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class pc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const u=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};u.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,dc(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)dc(r[e],l[e]);l.length=r.length},{passive:!0}),u.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,u=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(dc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):d.distVec2(l[0],A)<4&&(dc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class gc extends D{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,snapToVertex:true,snapToEdge:true,snapRadius:30,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:d.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:d.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new Xh(this,this._configs),pivotController:new Kh(i,this._configs),panController:new Qh(i),cameraFlight:new Eh(this,{duration:.5})},this._handlers=[new Ac(this.scene,this._controllers,this._configs,this._states,this._updates),new uc(this.scene,this._controllers,this._configs,this._states,this._updates),new qh(this.scene,this._controllers,this._configs,this._states,this._updates),new sc(this.scene,this._controllers,this._configs,this._states,this._updates),new rc(this.scene,this._controllers,this._configs,this._states,this._updates),new pc(this.scene,this._controllers,this._configs,this._states,this._updates),new oc(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new lc(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",_.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){if(t[i[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class mc{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class fc{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];this.properties.push(new mc(i.name,i.value,i.type,i.valueType,i.description))}}}}class _c{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class vc{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this.finalized=!1}get rootMetaObject(){return 1==this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(e.propertySets)for(let t=0,r=e.propertySets.length;t<r;t++){const r=e.propertySets[t];r.properties||(r.properties=[]);let o=i.propertySets[r.id];o||(s&&this._decompressProperties(s,r.properties),o=new fc({id:r.id,originalSystemId:r.originalSystemId||r.id,type:r.type,name:r.name,properties:r.properties}),i.propertySets[o.id]=o),o.metaModels.push(this),this.propertySets.push(o)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new _c({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects.push(o),s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){for(let i=0,s=t.length;i<s;i++){const s=t[i];if(Number.isInteger(s)){const r=e[s];r&&(t[i]=r)}}}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e=0,t=i.metaObjects.length;e<t;e++){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]};for(let t=0,i=this.metaObjects.length;t<i;t++){const i=this.metaObjects[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name};i.parent&&(s.parent=i.parent.id),i.attributes&&(s.attributes=i.attributes),i.propertySetIds&&(s.propertySetIds=i.propertySetIds),e.metaObjects.push(s)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=d.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=d.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(d.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=d.globalizeObjectId(this.id,s.id))}}}class bc{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new vc({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?xc(t):null,n=i&&i.length>0?xc(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function xc(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
 /*!
    * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
    * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
diff --git a/dist/xeokit-bim-viewer.umd.js b/dist/xeokit-bim-viewer.umd.js
index 592e42c3..05dcd285 100644
--- a/dist/xeokit-bim-viewer.umd.js
+++ b/dist/xeokit-bim-viewer.umd.js
@@ -9684,7 +9684,7 @@
    * });
    *
    * // Create the Marker, associated with our Mesh Entity
-   * const myMarker = new Marker({
+   * const myMarker = new Marker(viewer, {
    *      entity: entity,
    *      worldPos: [10,0,0],
    *      occludable: true
@@ -84808,8 +84808,8 @@
           canvasPos[1] = event.y;
       } else {
           const { left, top } = canvas.getBoundingClientRect();
-          canvasPos[0] = event.clientX - left - window.scrollX;
-          canvasPos[1] = event.clientY - top - window.scrollY;
+          canvasPos[0] = event.clientX - left;
+          canvasPos[1] = event.clientY - top;
       }
       return canvasPos;
   }
diff --git a/package-lock.json b/package-lock.json
index 11609da6..202f3b54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,15 @@
 {
   "name": "@xeokit/xeokit-bim-viewer",
-  "version": "2.5.1-beta-31",
+  "version": "2.5.1-beta-32",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@xeokit/xeokit-bim-viewer",
-      "version": "2.5.1-beta-31",
+      "version": "2.5.1-beta-32",
       "license": "See LICENSE.txt",
       "dependencies": {
-        "@xeokit/xeokit-sdk": "2.6.9",
+        "@xeokit/xeokit-sdk": "2.6.10",
         "http-server": "^13.0.2"
       },
       "devDependencies": {
@@ -338,9 +338,9 @@
       }
     },
     "node_modules/@xeokit/xeokit-sdk": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/@xeokit/xeokit-sdk/-/xeokit-sdk-2.6.9.tgz",
-      "integrity": "sha512-iX/2/c5MYR+EQGoUvnFih3Q1zELSQvS2SOrdpO2rF48LYgt3RQLmsi1sPEisVXWlCjIyN+ZMbbdd7ZQ/mdHMGg==",
+      "version": "2.6.10",
+      "resolved": "https://registry.npmjs.org/@xeokit/xeokit-sdk/-/xeokit-sdk-2.6.10.tgz",
+      "integrity": "sha512-dxwotrgAyX7QFN9H/vQInWbf28Ix50vMC7wU8FnBuo7Sf3t2kPxF/eCZUqq97Wbv6cHViveyO6DEIzgwvi9bhw==",
       "dependencies": {
         "@loaders.gl/core": "^3.2.6",
         "@loaders.gl/gltf": "^3.2.6",
@@ -4581,9 +4581,9 @@
       }
     },
     "@xeokit/xeokit-sdk": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/@xeokit/xeokit-sdk/-/xeokit-sdk-2.6.9.tgz",
-      "integrity": "sha512-iX/2/c5MYR+EQGoUvnFih3Q1zELSQvS2SOrdpO2rF48LYgt3RQLmsi1sPEisVXWlCjIyN+ZMbbdd7ZQ/mdHMGg==",
+      "version": "2.6.10",
+      "resolved": "https://registry.npmjs.org/@xeokit/xeokit-sdk/-/xeokit-sdk-2.6.10.tgz",
+      "integrity": "sha512-dxwotrgAyX7QFN9H/vQInWbf28Ix50vMC7wU8FnBuo7Sf3t2kPxF/eCZUqq97Wbv6cHViveyO6DEIzgwvi9bhw==",
       "requires": {
         "@loaders.gl/core": "^3.2.6",
         "@loaders.gl/gltf": "^3.2.6",
diff --git a/package.json b/package.json
index a6f3cf17..a345264e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@xeokit/xeokit-bim-viewer",
-  "version": "2.5.1-beta-31",
+  "version": "2.5.1-beta-32",
   "description": "BIM viewer built on xeokit",
   "main": "dist/xeokit-bim-viewer.min.es.js",
   "files": [
@@ -58,7 +58,7 @@
     "auto-changelog": "^2.4.0"
   },
   "dependencies": {
-    "@xeokit/xeokit-sdk": "2.6.9",
+    "@xeokit/xeokit-sdk": "2.6.10",
     "http-server": "^13.0.2"
   }
 }
\ No newline at end of file