✨ feat: add stl importer

packages/chili-builder/src/ribbon.ts

@@ -53,7 +53,7 @@ export const DefaultRibbon: RibbonTab[] = [
             },
             {
                 groupName: "ribbon.group.importExport",
-                items: ["file.import", "file.export.iges", "file.export.stp"],
+                items: ["file.import", "file.import.stl", "file.export.iges", "file.export.stp"],
             },
         ],
     },

packages/chili-core/src/command/commandKeys.ts

@@ -31,6 +31,7 @@ const COMMAND_KEYS = [
     "file.export.iges",
     "file.export.stp",
     "file.import",
+    "file.import.stl",
     "modify.array",
     "modify.break",
     "modify.delete",

packages/chili-core/src/i18n/en.ts

@@ -51,6 +51,7 @@ export default {
         "command.faceable.isFace": "Face",
         "command.fuse": "Fuse",
         "command.import": "Import",
+        "command.import.stl": "Import STL",
         "command.line.isConnected": "Connected",
         "command.line": "Line",
         "command.mirror": "Mirror",

packages/chili-core/src/i18n/keys.ts

@@ -43,6 +43,7 @@ const I18N_KEYS = [
     "command.document.saveToFile",
     "command.export.iges",
     "command.export.step",
+    "command.import.stl",
     "command.faceable.isFace",
     "command.fuse",
     "command.import",

packages/chili-core/src/i18n/zh-cn.ts

@@ -51,6 +51,7 @@ export default {
         "command.faceable.isFace": "面",
         "command.fuse": "合并",
         "command.import": "导入",
+        "command.import.stl": "导入STL",
         "command.line.isConnected": "相连",
         "command.line": "直线",
         "command.mirror": "镜像",

packages/chili/src/commands/importExport.ts

@@ -3,7 +3,6 @@
 import {
     AsyncController,
     EditableShapeNode,
-    GeometryNode,
     I18n,
     IApplication,
     ICommand,
@@ -21,8 +20,9 @@ import {
     download,
     readFilesAsync,
 } from "chili-core";
+import { TypedArray } from "three";
 import { STLLoader } from "three/examples/jsm/loaders/STLLoader";
-import { SelectNodeStep } from "../step";
+import { SelectShapeNodeStep } from "../step";
 
 let count = 1;
 
@@ -134,7 +134,7 @@ abstract class Export implements ICommand {
             .filter((x) => x instanceof VisualNode);
         if (models?.length === 0) {
             let controller = new AsyncController();
-            let step = new SelectNodeStep("prompt.select.models", true);
+            let step = new SelectShapeNodeStep("prompt.select.models", true);
             let data = await step.execute(application.activeView?.document!, controller);
             if (!data?.nodes) {
                 PubSub.default.pub("showToast", "prompt.select.noModelSelected");
@@ -167,3 +167,41 @@ export class ExportStep extends Export {
         return "step";
     }
 }
+@command({
+    name: "file.import.stl",
+    display: "command.import.stl",
+    icon: "icon-export",
+})
+export class ImportStl implements ICommand {
+    async execute(application: IApplication): Promise<void> {
+        let document = application.activeView?.document;
+        if (!document) return;
+        let data = await readFilesAsync(".stl", false);
+        if (!data.isOk || data.value.length === 0) {
+            return;
+        }
+
+        let arrayBuffer = await data.value.item(0)?.arrayBuffer();
+        const loader = new STLLoader();
+        let geometry = loader.parse(arrayBuffer!);
+        // geometry.computeVertexNormals();
+
+        console.log(geometry);
+
+        let mesh = new Mesh();
+        mesh.position = this.getDatas(geometry.attributes["position"].array)!;
+        mesh.normal = this.getDatas(geometry.attributes["normal"]?.array);
+        mesh.index = this.getDatas(geometry.index?.array!);
+        mesh.uv = this.getDatas(geometry.attributes["uv"]?.array);
+        mesh.meshType = "surface";
+        console.log(mesh);
+
+        let meshNode = new MeshNode(document, mesh, data.value.item(0)!.name);
+        document.addNode(meshNode);
+    }
+
+    private getDatas(array: TypedArray | undefined): number[] | undefined {
+        if (!array) return undefined;
+        return Array.from(array);
+    }
+}