Added 3D broadphaselayer test in ray

supernovaengine · Mar 14, 2024 · e9854cd · e9854cd
1 parent 9384129
commit e9854cd
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Showing 5 changed files with 42 additions and 5 deletions.
diff --git a/engine/core/Scene.cpp b/engine/core/Scene.cpp
@@ -85,8 +85,10 @@ Scene::~Scene(){
 	destroy();
 
 	std::vector<Entity> entityList = entityManager.getEntityList();
-	for(int entity : entityList){
-		destroyEntity(entity);
+	while(entityList.size() > 0){
+		destroyEntity(entityList.front());
+		// some entities can destroy other entities (ex: models)
+		entityList = entityManager.getEntityList();
 	}
 
 }

diff --git a/engine/core/math/Ray.cpp b/engine/core/math/Ray.cpp
@@ -365,7 +365,38 @@ RayReturn Ray::intersects(Scene* scene, RayFilter raytest, bool onlyStatic, uint
 
                 return {true, hit.mFraction, getPoint(hit.mFraction), Vector3(normal.GetX(), normal.GetY(), normal.GetZ()), entity, shapeIndex};
             }
+        }
+    }
+
+    return NO_HIT;
+}
+
+RayReturn Ray::intersects(Scene* scene, uint8_t broadPhaseLayer3D){
+    return intersects(scene, broadPhaseLayer3D, (uint16_t)~0u, (uint16_t)~0u);
+}
+
+RayReturn Ray::intersects(Scene* scene, uint8_t broadPhaseLayer3D, uint16_t categoryBits, uint16_t maskBits){
+    JPH::PhysicsSystem* world = scene->getSystem<PhysicsSystem>()->getWorld3D();
+
+    if (world && broadPhaseLayer3D < MAX_BROADPHASELAYER_3D){
+        JPH::RayCast ray(JPH::Vec3(origin.x, origin.y, origin.z), JPH::Vec3(direction.x, direction.y, direction.z));
+        JPH::RayCastResult hit;
+
+        JPH::ObjectLayer objectLayer = JPH::ObjectLayerPairFilterMask::sGetObjectLayer(categoryBits, maskBits);
+
+        if (world->GetNarrowPhaseQuery().CastRay(JPH::RRayCast(ray), hit, JPH::SpecifiedBroadPhaseLayerFilter(JPH::BroadPhaseLayer(broadPhaseLayer3D)), JPH::DefaultObjectLayerFilter(JPH::ObjectLayerPairFilterMask(), objectLayer))){
+            JPH::Vec3 normal;
+            Entity entity = NULL_ENTITY;
+            size_t shapeIndex = 0;
+            JPH::BodyLockRead lock(world->GetBodyLockInterface(), hit.mBodyID);
+            if (lock.Succeeded()){
+                const JPH::Body &hit_body = lock.GetBody();
+                normal = hit_body.GetWorldSpaceSurfaceNormal(hit.mSubShapeID2, ray.GetPointOnRay(hit.mFraction));
+                entity = hit_body.GetUserData();
+                shapeIndex = hit_body.GetShape()->GetSubShapeUserData(hit.mSubShapeID2);
+            }
 
+            return {true, hit.mFraction, getPoint(hit.mFraction), Vector3(normal.GetX(), normal.GetY(), normal.GetZ()), entity, shapeIndex};
         }
     }
 

diff --git a/engine/core/math/Ray.h b/engine/core/math/Ray.h
@@ -59,6 +59,8 @@ namespace Supernova {
         RayReturn intersects(Scene* scene, RayFilter raytest, bool onlyStatic);
         RayReturn intersects(Scene* scene, RayFilter raytest, uint16_t categoryBits, uint16_t maskBits);
         RayReturn intersects(Scene* scene, RayFilter raytest, bool onlyStatic, uint16_t categoryBits, uint16_t maskBits);
+        RayReturn intersects(Scene* scene, uint8_t broadPhaseLayer3D); // only 3D bodies
+        RayReturn intersects(Scene* scene, uint8_t broadPhaseLayer3D, uint16_t categoryBits, uint16_t maskBits); // only 3D bodies
     };
 
 }

diff --git a/engine/core/script/binding/MathClassesLua.cpp b/engine/core/script/binding/MathClassesLua.cpp
@@ -423,7 +423,9 @@ void LuaBinding::registerMathClasses(lua_State *L){
             luabridge::overload<Scene*, RayFilter>(&Ray::intersects),
             luabridge::overload<Scene*, RayFilter, bool>(&Ray::intersects),
             luabridge::overload<Scene*, RayFilter, uint16_t, uint16_t>(&Ray::intersects),
-            luabridge::overload<Scene*, RayFilter, bool, uint16_t, uint16_t>(&Ray::intersects))
+            luabridge::overload<Scene*, RayFilter, bool, uint16_t, uint16_t>(&Ray::intersects),
+            luabridge::overload<Scene*, uint8_t>(&Ray::intersects),
+            luabridge::overload<Scene*, uint8_t, uint16_t, uint16_t>(&Ray::intersects))
         .endClass();
 
 #endif //DISABLE_LUA_BINDINGS

diff --git a/engine/core/subsystem/MeshSystem.cpp b/engine/core/subsystem/MeshSystem.cpp
@@ -1914,8 +1914,6 @@ bool MeshSystem::loadGLTF(Entity entity, std::string filename){
         }
     }
 
-    clearAnimations(model);
-
     for (size_t i = 0; i < model.gltfModel->animations.size(); i++) {
         const tinygltf::Animation &animation = model.gltfModel->animations[i];
 
@@ -2082,6 +2080,8 @@ bool MeshSystem::loadOBJ(Entity entity, std::string filename){
     ModelComponent& model = scene->getComponent<ModelComponent>(entity);
     Transform& transform = scene->getComponent<Transform>(entity);
 
+    destroyModel(model);
+
     tinyobj::attrib_t attrib;
     std::vector<tinyobj::shape_t> shapes;
     std::vector<tinyobj::material_t> materials;