fix extrude mesh save issue

src/Scene.js

@@ -24,8 +24,6 @@ window.loader = new THREE.ObjectLoader();
 window.STLexp = new STLExporter();
 
 window.id = 0
-// window.sid = 1
-// window.mid = 1
 
 
 const pointMaterial = new THREE.PointsMaterial({
@@ -141,7 +139,7 @@ export class Scene {
 
     this.render = render.bind(this);
     this.addSketch = addSketch.bind(this);
-    this.extrude = extrude.bind(this);
+    this.extrude = this.extrude.bind(this);
     this.onHover = onHover.bind(this);
     this.onPick = onPick.bind(this);
     this.clearSelection = clearSelection.bind(this);
@@ -166,6 +164,8 @@ export class Scene {
     this.render();
   }
 
+
+
   resizeCanvas(renderer) {
     const canvas = renderer.domElement;
     const width = canvas.clientWidth;
@@ -185,7 +185,6 @@ export class Scene {
 
   clearScene() {
     const deleted = this.obj3d.children.splice(1)
-    console.log(deleted)
 
     for (let i = 0; i < deleted.length; i++) {
       deleted[i].traverse((obj) => {
@@ -195,6 +194,13 @@ export class Scene {
     }
   }
 
+  newPart() {
+    this.clearScene()
+    window.id = 0
+    this.sid = 1
+    this.mid = 1
+  }
+
   loadState(file) {  //uglyyy
 
     this.clearScene()
@@ -250,6 +256,21 @@ export class Scene {
     return entry
   }
 
+  extrude(sketch, depth) {
+    const mesh = extrude(sketch, depth)
+    mesh.name = 'e' + this.mid++
+
+    this.obj3d.add(mesh)
+
+    this.store.dispatch({ type: 'rx-extrusion', mesh, sketchId: sketch.obj3d.name })
+
+    if (this.activeSketch == sketch) {
+      this.store.dispatch({ type: 'finish-sketch' })
+      sketch.deactivate()
+    }
+    this.render()
+
+  }
 
   boolOp(m1, m2, op, refresh = false) {
     let bspA = CSG.fromMesh(m1)
@@ -315,26 +336,30 @@ export class Scene {
     let curId
     let que = [id]
     let idx = 0
+    // let newNodes = {}
 
     const { byId, tree } = this.store.getState().treeEntries
     while (idx < que.length) {
       curId = que[idx++]
 
-      if (byId[curId].userData) {
+      if (byId[curId].userData) { // if it is a mesh
         const info = byId[curId].userData.featureInfo
         let newNode
         if (info.length == 2) {
-          newNode = this.extrude(byId[info[0]], info[1], true)
+          newNode = extrude(byId[info[0]], info[1])
         } else if (info.length == 3) {
           newNode = this.boolOp(byId[info[0]], byId[info[1]], info[2], true)
         }
         byId[curId].geometry.copy(newNode.geometry)
+        byId[curId].geometry.parameters = newNode.geometry.parameters // took 2 hours to figure out
+
       }
 
       for (let k in tree[curId]) {
         que.push(k)
       }
     }
+
   }
 
 }

src/extrude.js

@@ -1,6 +1,6 @@
 import * as THREE from '../node_modules/three/src/Three';
 import { color } from './shared'
-export function extrude(sketch, depth, refresh=false) {
+export function extrude(sketch, depth) {
 
   let constraints = sketch.constraints;
   let linkedObjs = sketch.linkedObjs;
@@ -90,7 +90,6 @@ export function extrude(sketch, depth, refresh=false) {
 
 
 
-  mesh.name = 'e' + this.mid++
   mesh.userData.type = 'mesh'
   mesh.userData.featureInfo = [sketch.obj3d.name, depth]
   mesh.layers.enable(1)
@@ -109,20 +108,8 @@ export function extrude(sketch, depth, refresh=false) {
     mesh.userData.inverted = true
   }
 
+  return mesh
 
-  if (!refresh) {
-    this.obj3d.add(mesh)
-
-    this.store.dispatch({ type: 'rx-extrusion', mesh, sketchId: sketch.obj3d.name })
-
-    if (this.activeSketch == sketch) {
-      this.store.dispatch({ type: 'finish-sketch' })
-      sketch.deactivate()
-    }
-    this.render()
-  } else {
-    return mesh
-  }
 
 }
 

src/react/fileHelpers.js

@@ -2,7 +2,7 @@ const link = document.createElement('a');
 link.style.display = 'none';
 document.body.appendChild(link);
 
-function save(blob, filename) {
+function saveLegacy(blob, filename) {
 
   link.href = URL.createObjectURL(blob);
   link.download = filename;
@@ -11,24 +11,17 @@ function save(blob, filename) {
 }
 
 
-function saveArrayBuffer(buffer, filename) {
+var tzoffset = (new Date()).getTimezoneOffset() * 60000;
 
-  // save( new Blob( [ buffer ], { type: 'application/octet-stream' } ), filename );
-  save(new Blob([buffer], { type: 'model/stl' }), filename);
 
-}
+export function STLExport(filename) {
-
-function saveString(text, filename) {
-
-  // save( new Blob( [ text ], { type: 'text/plain' } ), filename );
-  save(new Blob([text], { type: 'application/json' }), filename);
-
-}
-
-export function STLExport() {
   if (sc.selected[0] && sc.selected[0].userData.type == 'mesh') {
+    
     const result = STLexp.parse(sc.selected[0], { binary: true });
-    saveArrayBuffer(result, 'box.stl');
+
+    const time = (new Date(Date.now() - tzoffset)).toISOString().slice(0, -5).replace(/:/g, '-');
+
+    saveLegacy(new Blob([result], { type: 'model/stl' }), `${filename}_${time}.stl`);
   }
 }
 
@@ -93,25 +86,6 @@ export async function saveFileAs(file, dispatch) {
 };
 
 
-async function verifyPermission(fileHandle, withWrite) {
-  const opts = {};
-  if (withWrite) {
-    opts.writable = true;
-    // For Chrome 86 and later...
-    opts.mode = 'readwrite';
-  }
-  // Check if we already have permission, if so, return true.
-  if (await fileHandle.queryPermission(opts) === 'granted') {
-    return true;
-  }
-  // Request permission to the file, if the user grants permission, return true.
-  if (await fileHandle.requestPermission(opts) === 'granted') {
-    return true;
-  }
-  // The user did nt grant permission, return false.
-  return false;
-}
-
 
 export async function openFile(dispatch) {
   // if (!app.confirmDiscard()) {
@@ -135,15 +109,13 @@ export async function openFile(dispatch) {
   if (!fileHandle) {
     return;
   }
-  const file = await fileHandle.getFile();
-
-  readFile(file, fileHandle, dispatch);
-
 
 
   try {
-    const text = await readFile(file);
+    const file = await fileHandle.getFile();
+    const text = await file.text();;
     sc.loadState(text)
+    
     dispatch({ type: 'set-file-handle', fileHandle })
     // app.setModified(false);
     // app.setFocus(true);

src/react/navBar.jsx

@@ -10,7 +10,7 @@ import { FaRegFolderOpen, FaFile } from 'react-icons/fa'
 
 import * as Icon from "./icons";
 import { Dialog } from './dialog'
-import { STLExport, savePart, saveFile, openFile } from './fileExporter'
+import { STLExport, saveFile, openFile } from './fileHelpers'
 
 
 
@@ -76,12 +76,25 @@ export const NavBar = () => {
     [Icon.Union, () => boolOp('u'), 'Union'],
     [Icon.Subtract, () => boolOp('s'), 'Subtract'],
     [Icon.Intersect, () => boolOp('i'), 'Intersect'],
-    [MdInsertDriveFile, savePart, 'New [ctrl+n]'],
+    [MdInsertDriveFile, () => {
-    [MdSave, () => {
+      sc.newPart()
-      saveFile(fileHandle, sc.saveScene(), dispatch)
+      dispatch({ type: 'new-part' })
-    }, 'Save [ctrl+s]'],
+      sc.render()
-    [MdFolder, () => openFile(dispatch), 'Open'],
+    }, 'New [ctrl+n]'],
-    [Icon.Stl, STLExport, 'Export STL'],
+    [MdSave,
+      () => {
+        saveFile(fileHandle, sc.saveScene(), dispatch)
+      }
+      , 'Save [ctrl+s]'],
+    [MdFolder, () => {
+      openFile(dispatch).then(
+        ()=>sc.render()
+      )
+    }, 'Open'],
+    [Icon.Stl, () => {
+      STLExport('box')
+    },
+      , 'Export STL'],
   ]
 
   const [_, forceUpdate] = useReducer(x => x + 1, 0);

src/react/reducer.js

@@ -97,9 +97,10 @@ export function treeEntries(state = defaultState, action) {
       const depTree = new DepTree(state)
       const obj = depTree.deleteNode(action.id)
       return update(state, { $merge: obj })
-
     case 'restore-state':
       return action.state
+    case 'new-part':
+      return defaultState
     default:
       return state
   }
@@ -121,6 +122,11 @@ export function ui(state = { dialog: {}, filePane: false }, action) {
         fileHandle: { $set: action.fileHandle },
         modified: { $set: false },
       })
+    case 'new-part':
+      return update(state, {
+        fileHandle: { $set: null },
+        modified: { $set: false },
+      })
     default:
       return state
   }