feat: switch to cloud-only .titanscene saving and loading

src/pages/Editor.tsx

@@ -189,7 +189,8 @@ interface SceneObject {
 const SceneSetup = () => {
   const { gl } = useThree();
   useEffect(() => {
-    gl.shadowMap.type = THREE.PCFSoftShadowMap;
+    gl.shadowMap.enabled = true;
+    gl.shadowMap.type = THREE.PCFShadowMap;
     gl.localClippingEnabled = true;
   }, [gl]);
   return null;
@@ -314,7 +315,29 @@ export default function Editor() {
       try {
         const data = await api.getProject(projectId);
         if (data.project && data.project.scene_data) {
-          const sd = data.project.scene_data;
+          let sd = data.project.scene_data;
+          
+          if (sd.titansceneUrl) {
+             try {
+                const res = await fetch(sd.titansceneUrl);
+                const buffer = await res.arrayBuffer();
+                const unzipped = fflate.unzipSync(new Uint8Array(buffer));
+                if (unzipped['scene.json']) {
+                  const textDecoder = new TextDecoder();
+                  const jsonString = textDecoder.decode(unzipped['scene.json']);
+                  const parsedSd = JSON.parse(jsonString);
+
+                  if (parsedSd.modelData && parsedSd.modelData.data === 'model.glb' && unzipped['model.glb']) {
+                     const modelBlob = new Blob([unzipped['model.glb']]);
+                     parsedSd.modelData.data = URL.createObjectURL(modelBlob);
+                  }
+                  sd = parsedSd;
+                }
+             } catch (err) {
+                console.error("Failed to load .titanscene from cloud", err);
+             }
+          }
+
           if (sd.sceneObjects) setSceneObjects(sd.sceneObjects);
           if (sd.lightProps) setLightProps(sd.lightProps);
           if (sd.groundProps) setGroundProps(sd.groundProps);
@@ -348,8 +371,9 @@ export default function Editor() {
             reImportModel(sd.modelData);
           }
         }
-      } catch (err) {
+      } catch (error) {
-        console.error("Failed to fetch project", err);
+        console.error("Failed to fetch project", error);
+        navigate('/dashboard', { replace: true });
       } finally {
         setIsLoading(false);
       }
@@ -481,10 +505,10 @@ export default function Editor() {
   const [vizAiBaseImage, setVizAiBaseImage] = useState<string | null>(null);
   const [renderRequest, setRenderRequest] = useState<RenderSettings | null>(null);
   const [exportRequest, setExportRequest] = useState(false);
-  const [exportFormat, setExportFormat] = useState<'glb' | 'usdz'>('glb');
+  const [exportFormat, setExportFormat] = useState<'glb' | 'usdz' | 'titanscene'>('glb');
   // Export / Save dialog
   const [exportDialog, setExportDialog] = useState<{
-    mode: 'scene' | 'glb' | 'usdz';
+    mode: 'scene' | 'glb' | 'usdz' | 'titanscene';
     defaultName: string;
   } | null>(null);
   const [exportDialogName, setExportDialogName] = useState('');
@@ -657,33 +681,123 @@ export default function Editor() {
   };
 
   const saveScene = async (name?: string) => {
-    if (!user) return;
-    
     const sceneData = {
       sceneObjects, lightProps, groundProps, cameraProps,
       envPreset, envRotation, backgroundColor, backgroundType,
-      customHdri, backplateImage, additionalLights, modelBounds, modelData, cameraPresets
+      customHdri, backplateImage, additionalLights, modelBounds, cameraPresets,
+      modelData: modelData ? { ...modelData } : null
     };
     
     const projectName = name || exportDialogName || 'Untitled Scene';
 
     try {
-      setIsRendering(true); // Re-use spinner state for saving
+      setIsRendering(true);
+      const zipObj: Record<string, Uint8Array> = {};
+
+      if (sceneData.modelData && sceneData.modelData.data && typeof sceneData.modelData.data === 'string') {
+        if (sceneData.modelData.data.startsWith('data:')) {
+          const dataUrl = sceneData.modelData.data;
+          const base64 = dataUrl.split(',')[1];
+          const binaryStr = atob(base64);
+          const len = binaryStr.length;
+          const bytes = new Uint8Array(len);
+          for (let i = 0; i < len; i++) {
+            bytes[i] = binaryStr.charCodeAt(i);
+          }
+          zipObj['model.glb'] = bytes;
+          sceneData.modelData.data = 'model.glb';
+        } else if (sceneData.modelData.data.startsWith('blob:') || sceneData.modelData.data.startsWith('http')) {
+           const res = await fetch(sceneData.modelData.data);
+           const buf = await res.arrayBuffer();
+           zipObj['model.glb'] = new Uint8Array(buf);
+           sceneData.modelData.data = 'model.glb';
+        }
+      }
+
+      const jsonString = JSON.stringify(sceneData);
+      const textEncoder = new TextEncoder();
+      zipObj['scene.json'] = textEncoder.encode(jsonString);
+
+      const zipped = fflate.zipSync(zipObj);
+      const blob = new Blob([zipped], { type: 'application/octet-stream' });
+      
+      if (!user) {
+         setIsRendering(false);
+         setExportDialog(null);
+         return;
+      }
+
+      // Upload to Cloud
+      const file = new File([blob], `${projectName.replace(/[^a-z0-9]/gi, '_').toLowerCase()}.titanscene`, { type: 'application/octet-stream' });
+      const fileUrl = await api.uploadAsset(file);
+
       const result = await api.saveProject({
         id: projectId && projectId !== 'new' ? projectId : undefined,
         name: projectName,
-        scene_data: sceneData
+        scene_data: { titansceneUrl: fileUrl } 
       });
       if (projectId === 'new' && result.id) {
         navigate(`/editor/${result.id}`, { replace: true });
       }
-    } catch (err: any) {
+    } catch (error) {
-      console.error("Failed to save project to cloud", err);
+      console.error("Failed to save project to cloud", error);
-      alert("Failed to save project: " + (err.message || JSON.stringify(err)));
     } finally {
       setIsRendering(false);
-      setOpenMenu(null);
+    }
     setExportDialog(null);
+  };
+
+  const exportTitanScene = async (name: string) => {
+    const sceneData = {
+      sceneObjects, lightProps, groundProps, cameraProps,
+      envPreset, envRotation, backgroundColor, backgroundType,
+      customHdri, backplateImage, additionalLights, modelBounds, cameraPresets,
+      modelData: modelData ? { ...modelData } : null
+    };
+    
+    const projectName = name || exportDialogName || 'Untitled Scene';
+
+    try {
+      setIsRendering(true);
+      const zipObj: Record<string, Uint8Array> = {};
+
+      if (sceneData.modelData && sceneData.modelData.data && typeof sceneData.modelData.data === 'string') {
+        if (sceneData.modelData.data.startsWith('data:')) {
+          const dataUrl = sceneData.modelData.data;
+          const base64 = dataUrl.split(',')[1];
+          const binaryStr = atob(base64);
+          const len = binaryStr.length;
+          const bytes = new Uint8Array(len);
+          for (let i = 0; i < len; i++) {
+            bytes[i] = binaryStr.charCodeAt(i);
+          }
+          zipObj['model.glb'] = bytes;
+          sceneData.modelData.data = 'model.glb';
+        } else if (sceneData.modelData.data.startsWith('blob:') || sceneData.modelData.data.startsWith('http')) {
+           const res = await fetch(sceneData.modelData.data);
+           const buf = await res.arrayBuffer();
+           zipObj['model.glb'] = new Uint8Array(buf);
+           sceneData.modelData.data = 'model.glb';
+        }
+      }
+
+      const jsonString = JSON.stringify(sceneData);
+      const textEncoder = new TextEncoder();
+      zipObj['scene.json'] = textEncoder.encode(jsonString);
+
+      const zipped = fflate.zipSync(zipObj);
+      const blob = new Blob([zipped], { type: 'application/octet-stream' });
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = `${projectName.replace(/[^a-z0-9]/gi, '_').toLowerCase()}.titanscene`;
+      a.click();
+      URL.revokeObjectURL(url);
+
+    } catch (error) {
+      console.error("Failed to export .titanscene", error);
+    } finally {
+      setIsRendering(false);
     }
   };
 
@@ -706,6 +820,8 @@ export default function Editor() {
     const name = exportDialogName.trim() || exportDialog.defaultName;
     if (exportDialog.mode === 'scene') {
       saveScene(name);
+    } else if (exportDialog.mode === 'titanscene' as any) {
+      exportTitanScene(name);
     } else {
       setExportFormat(exportDialog.mode);
       // Store name so ExportManager can use it
@@ -717,9 +833,66 @@ export default function Editor() {
 
   const [exportFileName, setExportFileName] = useState<string>('model');
 
-  const loadScene = (event: React.ChangeEvent<HTMLInputElement>) => {
+  const loadScene = async (event: React.ChangeEvent<HTMLInputElement>) => {
     const file = event.target.files?.[0];
     if (!file) return;
+
+    if (file.name.endsWith('.titanscene')) {
+      try {
+        const buffer = await file.arrayBuffer();
+        const unzipped = fflate.unzipSync(new Uint8Array(buffer));
+        if (unzipped['scene.json']) {
+          const textDecoder = new TextDecoder();
+          const jsonString = textDecoder.decode(unzipped['scene.json']);
+          const data = JSON.parse(jsonString);
+
+          if (data.modelData && data.modelData.data === 'model.glb' && unzipped['model.glb']) {
+             const modelBlob = new Blob([unzipped['model.glb']]);
+             data.modelData.data = URL.createObjectURL(modelBlob);
+          }
+
+          if (data.sceneObjects) setSceneObjects(data.sceneObjects);
+          if (data.lightProps) setLightProps(data.lightProps);
+          if (data.groundProps) setGroundProps(data.groundProps);
+          if (data.cameraProps) {
+            const cProps = data.cameraProps;
+            setCameraProps(cProps);
+            const updateControls = (attempts = 0) => {
+              if (orbitControlsRef.current) {
+                const controls = orbitControlsRef.current;
+                if (cProps.target) controls.target.set(cProps.target[0], cProps.target[1], cProps.target[2]);
+                if (cProps.position) {
+                  controls.object.position.set(cProps.position[0], cProps.position[1], cProps.position[2]);
+                }
+                controls.update();
+              } else if (attempts < 10) {
+                setTimeout(() => updateControls(attempts + 1), 100);
+              }
+            };
+            updateControls();
+          }
+          if (data.envPreset !== undefined) setEnvPreset(data.envPreset);
+          if (data.envRotation !== undefined) setEnvRotation(data.envRotation);
+          if (data.backgroundColor) setBackgroundColor(data.backgroundColor);
+          if (data.backgroundType) setBackgroundType(data.backgroundType);
+          if (data.customHdri) setCustomHdri(data.customHdri);
+          if (data.backplateImage) setBackplateImage(data.backplateImage);
+          if (data.additionalLights) setAdditionalLights(data.additionalLights);
+          if (data.modelBounds) setModelBounds(data.modelBounds);
+          if (data.cameraPresets) setCameraPresets(data.cameraPresets);
+          
+          if (data.modelData && data.modelData.data) {
+            reImportModel(data.modelData);
+          }
+        }
+      } catch (err) {
+        console.error("Failed to parse .titanscene", err);
+      }
+      setOpenMenu(null);
+      event.target.value = '';
+      return;
+    }
+
     const reader = new FileReader();
     reader.onload = (e) => {
       try {
@@ -1706,7 +1879,7 @@ export default function Editor() {
       <input 
         type="file" 
         ref={sceneInputRef} 
-        accept=".json" 
+        accept=".json,.titanscene" 
         onChange={loadScene} 
         className="hidden" 
       />
@@ -1793,6 +1966,16 @@ export default function Editor() {
                       <span>Export Scene (USDZ)...</span>
                     </div>
                   </button>
+                  <div className="h-px bg-white/10 my-1" />
+                  <button 
+                    onClick={() => openExportDialog('titanscene' as any)}
+                    className="w-full text-left px-4 py-2 hover:bg-primary hover:text-white flex items-center justify-between transition-colors"
+                  >
+                    <div className="flex items-center gap-2">
+                      <Save size={14} />
+                      <span>Export Local (.titanscene)</span>
+                    </div>
+                  </button>
                 </div>
               )}
             </div>