updated so desktop can export diagram created on headset and import to powerpoint.

index.html

@@ -38,7 +38,7 @@
       z-index: 100;
     }
 
-    #hostKey {
+    #download {
       position: fixed;
       z-index: 11;
       width: 200px;
@@ -67,7 +67,7 @@
 <div id="questLaunch"><a href="https://www.oculus.com/open_url/?url=https://www.deepdiagram.com/" target="_blank">Launch
   On Quest</a>
 </div>
-<div id="hostKey">keyLaunch On Quest</div>
+<div id="download"><a href="#" id="downloadLink">Download Model</a></div>
 <script type="module" src="./src/app.ts"></script>
 </body>
 </html>

src/app.ts

@@ -18,6 +18,7 @@ import {Controllers} from "./controllers/controllers";
 import workerUrl from "./worker?worker&url";
 import {DiagramEventType} from "./diagram/diagramEntity";
 import {PeerjsNetworkConnection} from "./integration/peerjsNetworkConnection";
+import {DiagramExporter} from "./util/diagramExporter";
 
 
 export class App {
@@ -51,17 +52,24 @@ export class App {
         const engine = new Engine(canvas, true);
         const scene = new Scene(engine);
         const config = new AppConfig();
+        const peerjsNetworkConnection = new PeerjsNetworkConnection();
+
         //const persistenceManager = new IndexdbPersistenceManager("diagram");
         const worker = new Worker(workerUrl, {type: 'module'});
-
+        peerjsNetworkConnection.connectionObservable.add((peerId) => {
+            worker.postMessage({type: 'sync'});
+        });
         const controllers = new Controllers();
         const toolbox = new Toolbox(scene, controllers);
 
-
         const diagramManager = new DiagramManager(scene, controllers, toolbox, config);
-
+        peerjsNetworkConnection.diagramEventObservable.add((evt) => {
+            this.logger.debug('App', 'peerjs network event', evt);
+            diagramManager.onDiagramEventObservable.notifyObservers(evt, 1);
+        });
         diagramManager.onDiagramEventObservable.add((evt) => {
             this.logger.debug('App', 'diagram event', evt);
+            peerjsNetworkConnection.dataReplicationObservable.notifyObservers(evt);
             worker.postMessage({entity: evt});
         }, 2);
         config.onConfigChangedObservable.add((config) => {
@@ -73,6 +81,10 @@ export class App {
 
             if (evt.data.entity) {
                 this.logger.debug('App', 'worker message', evt.data.entity);
+                peerjsNetworkConnection.dataReplicationObservable.notifyObservers({
+                    type: DiagramEventType.ADD,
+                    entity: evt.data.entity
+                });
                 diagramManager.onDiagramEventObservable.notifyObservers({
                     type: DiagramEventType.ADD,
                     entity: evt.data.entity
@@ -80,7 +92,6 @@ export class App {
             }
 
             if (evt.data.config) {
-
                 config.onConfigChangedObservable.notifyObservers(evt.data.config, 1);
             }
         }
@@ -191,6 +202,14 @@ export class App {
                 });
             }
         });
+        const exportLink = document.querySelector('#downloadLink');
+        if (exportLink) {
+            exportLink.addEventListener('click', (ev) => {
+                ev.preventDefault();
+                const exporter = new DiagramExporter(scene);
+                exporter.export();
+            });
+        }
 
 
         this.logger.info('keydown event listener added, use Ctrl+Shift+Alt+I to toggle debug layer');

src/diagram/diagramConnection.ts

@@ -70,6 +70,7 @@ export class DiagramConnection {
             this.toAnchor.dispose();
             this.toAnchor = toAnchor;
             this._mesh.metadata.to = this.to;
+            this._mesh.metadata.exportable = true;
             this._mesh.id = this.id;
             this.recalculate();
             this.setPoints();

src/diagram/diagramEventHandler.ts

@@ -17,10 +17,7 @@ export function diagramEventHandler(event: DiagramEvent,
                                     sounds: DiaSounds) {
     const entity = event.entity;
     let mesh;
-    if (entity) {
+    if (event?.entity?.template) {
-        mesh = scene.getMeshById(entity.id);
-    }
-    if (!mesh && event?.entity?.template) {
         const toolMesh = scene.getMeshById("tool-" + event.entity.template + "-" + event.entity.color);
         if (!toolMesh && event.type != DiagramEventType.CHANGECOLOR) {
             log.debug('no mesh found for ' + event.entity.template + "-" + event.entity.color, 'adding it');

src/diagram/functions/fromDiagramEntity.ts

@@ -15,65 +15,63 @@ export function fromDiagramEntity(entity: DiagramEntity, scene: Scene): Abstract
     if (!entity.id) {
         entity.id = "id" + uuidv4();
     }
-    let mesh: AbstractMesh = scene.getMeshById(entity.id);
+    const oldMesh: AbstractMesh = scene.getMeshById(entity.id);
-    if (mesh) {
+    let newMesh: AbstractMesh;
-        logger.debug(`mesh ${mesh.id} already exists`);
+    if (oldMesh) {
+        logger.debug(`mesh ${oldMesh.id} already exists`);
+        newMesh = oldMesh;
     } else {
         if (entity.template == "#connection-template") {
             const connection: DiagramConnection = new DiagramConnection(entity.from, entity.to, scene);
             logger.debug(`connection.mesh = ${connection.mesh.id}`);
-            mesh = connection.mesh;
+            newMesh = connection.mesh;
         } else {
-            mesh = scene.getMeshById("tool-" + entity.template + "-" + entity.color);
+            const toolMesh = scene.getMeshById("tool-" + entity.template + "-" + entity.color);
-            if (mesh) {
+            if (toolMesh && !oldMesh) {
-                if (mesh.isAnInstance) {
+                newMesh = new InstancedMesh(entity.id, (toolMesh as Mesh));
-                    logger.error(`mesh ${mesh.id} is an instance`);
+                newMesh.metadata = {template: entity.template, exportable: true};
-                } else {
-                    mesh = new InstancedMesh(entity.id, (mesh as Mesh));
-                }
             } else {
-                logger.warn('no mesh found for ' + entity.template + "-" + entity.color);
+                logger.warn('no tool mesh found for ' + entity.template + "-" + entity.color);
             }
         }
-
     }
-    if (mesh) {
+
-        mesh.metadata = {template: entity.template};
+    if (newMesh) {
         if (entity.position) {
-            mesh.position = xyztovec(entity.position);
+            newMesh.position = xyztovec(entity.position);
         }
         if (entity.rotation) {
-            if (mesh.rotationQuaternion) {
+            if (newMesh.rotationQuaternion) {
-                mesh.rotationQuaternion = Quaternion.FromEulerAngles(entity.rotation.x, entity.rotation.y, entity.rotation.z);
+                newMesh.rotationQuaternion = Quaternion.FromEulerAngles(entity.rotation.x, entity.rotation.y, entity.rotation.z);
             } else {
-                mesh.rotation = xyztovec(entity.rotation);
+                newMesh.rotation = xyztovec(entity.rotation);
             }
         }
         if (entity.parent) {
-            mesh.parent = scene.getNodeById(entity.parent);
+            newMesh.parent = scene.getNodeById(entity.parent);
         }
         if (entity.scale) {
-            mesh.scaling = xyztovec(entity.scale);
+            newMesh.scaling = xyztovec(entity.scale);
         }
-        if (!mesh.material) {
+        if (!newMesh.material) {
             const material = new StandardMaterial("material-" + entity.id, scene);
             material.diffuseColor = Color3.FromHexString(entity.color);
-            mesh.material = material;
+            newMesh.material = material;
         }
         if (entity.text) {
-            mesh.metadata.text = entity.text;
+            newMesh.metadata.text = entity.text;
-            TextLabel.updateTextNode(mesh, entity.text);
+            TextLabel.updateTextNode(newMesh, entity.text);
         }
         if (entity.from) {
-            mesh.metadata.from = entity.from;
+            newMesh.metadata.from = entity.from;
         }
         if (entity.to) {
-            mesh.metadata.to = entity.to;
+            newMesh.metadata.to = entity.to;
         }
     } else {
         logger.error("fromDiagramEntity: mesh is null after it should have been created");
     }
-    return mesh;
+    return newMesh;
 }
 
 

src/diagram/textLabel.ts

@@ -51,7 +51,7 @@ export class TextLabel {
         const plane = MeshBuilder.CreatePlane("text" + text, {width: planeWidth, height: height}, mesh.getScene());
         plane.material = mat;
         plane.billboardMode = Mesh.BILLBOARDMODE_ALL;
-
+        plane.metadata = {exportable: true};
 
         const yOffset = mesh.getBoundingInfo().boundingSphere.radius;
         plane.parent = mesh;

src/integration/peerjsNetworkConnection.ts

@@ -1,15 +1,17 @@
 import P2PDataChannel from 'p2p-data-channel';
 import log from "loglevel";
 import {Observable} from "@babylonjs/core";
-import {DiagramEvent, DiagramEventMask} from "../diagram/diagramEntity";
+import {DiagramEvent} from "../diagram/diagramEntity";
+
 
 export class PeerjsNetworkConnection {
     private logger: log.Logger = log.getLogger('PeerjsNetworkConnection');
     private dataChannel: P2PDataChannel<any>;
+    public readonly connectionObservable: Observable<any> = new Observable<any>;
+    public readonly dataReplicationObservable: Observable<any> = new Observable<any>;
+    public readonly diagramEventObservable: Observable<DiagramEvent> = new Observable<DiagramEvent>;
 
-    private readonly onDiagramEventObservable: Observable<DiagramEvent>;
+    constructor() {
-
-    constructor(onDiagramEventObservable: Observable<DiagramEvent>) {
         const config = {
             debug: false,
             dataChannel: 'deepSharedDiagram',
@@ -22,11 +24,10 @@ export class PeerjsNetworkConnection {
         // @ts-ignore
         const passphrase = window.niceware.generatePassphrase(6).join('-');
         this.logger.debug('Local Passphrase: ', passphrase);
-        this.onDiagramEventObservable = onDiagramEventObservable;
         this.dataChannel = new P2PDataChannel(passphrase, config);
-
         this.dataChannel.onConnected((peerId) => {
             this.logger.debug('Connected to ', peerId);
+            this.connectionObservable.notifyObservers(peerId);
         });
         this.dataChannel.onMessage((message) => {
             this.logger.debug(message);
@@ -38,8 +39,7 @@ export class PeerjsNetworkConnection {
                 }
                 if (message.payload.diagramEvent) {
                     this.logger.debug('Received diagram event from ', message.sender, message.payload.diagramEvent);
-                    const event = message.payload.diagramEvent;
+                    this.diagramEventObservable.notifyObservers(message.payload.diagramEvent);
-                    this.onDiagramEventObservable.notifyObservers(event, DiagramEventMask.REMOTE);
                 }
             }
         });
@@ -52,6 +52,10 @@ export class PeerjsNetworkConnection {
             const linkEl = document.querySelector('#questLaunch a');
             linkEl.setAttribute('href', link + passphrase);
         }
+        this.dataReplicationObservable.add((evt) => {
+            this.logger.debug(evt);
+            this.dataChannel.broadcast({diagramEvent: evt});
+        });
     }
 
     public connectToRemote(host: string) {

src/menus/editMenu.ts

@@ -25,6 +25,7 @@ import {toDiagramEntity} from "../diagram/functions/toDiagramEntity";
 import {AbstractMenu} from "./abstractMenu";
 import {Controllers} from "../controllers/controllers";
 import {setMenuPosition} from "../util/functions/setMenuPosition";
+import {DiagramExporter} from "../util/diagramExporter";
 
 export class EditMenu extends AbstractMenu {
     private state: EditMenuState = EditMenuState.NONE;
@@ -310,24 +311,7 @@ export class EditMenu extends AbstractMenu {
                 this.showNewRelic();
                 break;
             case "export":
-                import("@babylonjs/serializers").then((serializers) => {
+                this.download();
-
-                    serializers.GLTF2Export.GLBAsync(this.scene, 'diagram.glb', {
-                        shouldExportNode: function (node) {
-                            if (node?.metadata?.template) {
-                                return true;
-                            } else {
-                                return false;
-                            }
-
-                        }
-                    }).then((gltf) => {
-                        gltf.downloadFiles();
-                    });
-
-                });
-
-
                 break;
             default:
                 this.logger.error("Unknown button");
@@ -337,4 +321,9 @@ export class EditMenu extends AbstractMenu {
 
         this.isVisible = false;
     }
+
+    private download() {
+        const exporter = new DiagramExporter(this.scene);
+        exporter.export();
+    }
 }

src/util/diagramExporter.ts

@@ -0,0 +1,27 @@
+import {Scene} from "@babylonjs/core";
+
+export class DiagramExporter {
+    private scene: Scene;
+
+    constructor(scene: Scene) {
+        this.scene = scene;
+    }
+
+    public export() {
+        import("@babylonjs/serializers").then((serializers) => {
+            serializers.GLTF2Export.GLBAsync(this.scene, 'diagram.glb', {
+                shouldExportNode: function (node) {
+                    if (node?.metadata?.exportable) {
+                        return true;
+                    } else {
+                        return false;
+                    }
+
+                }
+            }).then((gltf) => {
+                gltf.downloadFiles();
+            });
+
+        });
+    }
+}

src/worker.ts

@@ -8,7 +8,9 @@ const ctx: Worker = self as any;
 
 ctx.onmessage = (event) => {
     console.log(event);
-
+    if (event.data.type == 'sync') {
+        persistenceManager.sync();
+    }
     if (event.data.type == 'init') {
         persistenceManager.updateObserver.add((event) => {
             console.log(event);