private async Task <IList <Asset> > LoadAssetsFromGLTF(AssetSource source, Guid containerId, ColliderType colliderType) { IList <Asset> assets = new List <Asset>(); DeterministicGuids guidGenerator = new DeterministicGuids(UtilMethods.StringToGuid( $"{containerId}:{source.ParsedUri.AbsoluteUri}")); // download file var rootUrl = URIHelper.GetDirectoryName(source.ParsedUri.AbsoluteUri); var loader = new WebRequestLoader(rootUrl); var stream = await loader.LoadStreamAsync(URIHelper.GetFileFromUri(source.ParsedUri)); // pre-parse glTF document so we can get a scene count // TODO: run this in thread GLTF.GLTFParser.ParseJson(stream, out GLTF.Schema.GLTFRoot gltfRoot); stream.Position = 0; GLTFSceneImporter importer = MREAPI.AppsAPI.GLTFImporterFactory.CreateImporter(gltfRoot, loader, _asyncHelper, stream); importer.SceneParent = MREAPI.AppsAPI.AssetCache.CacheRootGO().transform; importer.Collider = colliderType.ToGLTFColliderType(); // load textures if (gltfRoot.Textures != null) { for (var i = 0; i < gltfRoot.Textures.Count; i++) { await importer.LoadTextureAsync(gltfRoot.Textures[i], i, true); var texture = importer.GetTexture(i); texture.name = gltfRoot.Textures[i].Name ?? $"texture:{i}"; var asset = GenerateAssetPatch(texture, guidGenerator.Next()); asset.Name = texture.name; asset.Source = new AssetSource(source.ContainerType, source.Uri, $"texture:{i}"); MREAPI.AppsAPI.AssetCache.CacheAsset(texture, asset.Id, containerId, source); assets.Add(asset); } } // load meshes if (gltfRoot.Meshes != null) { var cancellationSource = new System.Threading.CancellationTokenSource(); for (var i = 0; i < gltfRoot.Meshes.Count; i++) { var mesh = await importer.LoadMeshAsync(i, cancellationSource.Token); mesh.name = gltfRoot.Meshes[i].Name ?? $"mesh:{i}"; var asset = GenerateAssetPatch(mesh, guidGenerator.Next()); asset.Name = mesh.name; asset.Source = new AssetSource(source.ContainerType, source.Uri, $"mesh:{i}"); var colliderGeo = colliderType == ColliderType.Mesh ? (ColliderGeometry) new MeshColliderGeometry() { MeshId = asset.Id } : (ColliderGeometry) new BoxColliderGeometry() { Size = (mesh.bounds.size * 0.8f).CreateMWVector3() }; MREAPI.AppsAPI.AssetCache.CacheAsset(mesh, asset.Id, containerId, source, colliderGeo); assets.Add(asset); } } // load materials if (gltfRoot.Materials != null) { for (var i = 0; i < gltfRoot.Materials.Count; i++) { var matdef = gltfRoot.Materials[i]; var material = await importer.LoadMaterialAsync(i); material.name = matdef.Name ?? $"material:{i}"; var asset = GenerateAssetPatch(material, guidGenerator.Next()); asset.Name = material.name; asset.Source = new AssetSource(source.ContainerType, source.Uri, $"material:{i}"); MREAPI.AppsAPI.AssetCache.CacheAsset(material, asset.Id, containerId, source); assets.Add(asset); } } // load prefabs if (gltfRoot.Scenes != null) { for (var i = 0; i < gltfRoot.Scenes.Count; i++) { await importer.LoadSceneAsync(i).ConfigureAwait(true); GameObject rootObject = importer.LastLoadedScene; rootObject.name = gltfRoot.Scenes[i].Name ?? $"scene:{i}"; var animation = rootObject.GetComponent <UnityEngine.Animation>(); if (animation != null) { animation.playAutomatically = false; // initialize mapping so we know which gameobjects are targeted by which animation clips var mapping = rootObject.AddComponent <PrefabAnimationTargets>(); mapping.Initialize(gltfRoot, i); } MWGOTreeWalker.VisitTree(rootObject, (go) => { go.layer = MREAPI.AppsAPI.LayerApplicator.DefaultLayer; }); var def = GenerateAssetPatch(rootObject, guidGenerator.Next()); def.Name = rootObject.name; def.Source = new AssetSource(source.ContainerType, source.Uri, $"scene:{i}"); MREAPI.AppsAPI.AssetCache.CacheAsset(rootObject, def.Id, containerId, source); assets.Add(def); } } importer.Dispose(); return(assets); }
private async Task <IList <UnityEngine.Object> > LoadGltfFromStream(WebRequestLoader loader, Stream stream, ColliderType colliderType) { var assets = new List <UnityEngine.Object>(30); // pre-parse glTF document so we can get a scene count // run this on a threadpool thread so that the Unity main thread is not blocked GLTF.Schema.GLTFRoot gltfRoot = null; try { await Task.Run(() => { GLTF.GLTFParser.ParseJson(stream, out gltfRoot); }); } catch (Exception e) { Debug.LogError(e); } if (gltfRoot == null) { throw new GLTFLoadException("Failed to parse glTF"); } stream.Position = 0; using (GLTFSceneImporter importer = MREAPI.AppsAPI.GLTFImporterFactory.CreateImporter(gltfRoot, loader, _asyncHelper, stream)) { importer.SceneParent = MREAPI.AppsAPI.AssetCache.CacheRootGO.transform; importer.Collider = colliderType.ToGLTFColliderType(); // load textures if (gltfRoot.Textures != null) { for (var i = 0; i < gltfRoot.Textures.Count; i++) { await importer.LoadTextureAsync(gltfRoot.Textures[i], i, true); var texture = importer.GetTexture(i); texture.name = gltfRoot.Textures[i].Name ?? $"texture:{i}"; assets.Add(texture); } } // load meshes if (gltfRoot.Meshes != null) { var cancellationSource = new System.Threading.CancellationTokenSource(); for (var i = 0; i < gltfRoot.Meshes.Count; i++) { var mesh = await importer.LoadMeshAsync(i, cancellationSource.Token); mesh.name = gltfRoot.Meshes[i].Name ?? $"mesh:{i}"; assets.Add(mesh); } } // load materials if (gltfRoot.Materials != null) { for (var i = 0; i < gltfRoot.Materials.Count; i++) { var matdef = gltfRoot.Materials[i]; var material = await importer.LoadMaterialAsync(i); material.name = matdef.Name ?? $"material:{i}"; assets.Add(material); } } // load prefabs if (gltfRoot.Scenes != null) { for (var i = 0; i < gltfRoot.Scenes.Count; i++) { await importer.LoadSceneAsync(i).ConfigureAwait(true); GameObject rootObject = importer.LastLoadedScene; rootObject.name = gltfRoot.Scenes[i].Name ?? $"scene:{i}"; var animation = rootObject.GetComponent <UnityEngine.Animation>(); if (animation != null) { animation.playAutomatically = false; // initialize mapping so we know which gameobjects are targeted by which animation clips var mapping = rootObject.AddComponent <PrefabAnimationTargets>(); mapping.Initialize(gltfRoot, i); } MWGOTreeWalker.VisitTree(rootObject, (go) => { go.layer = MREAPI.AppsAPI.LayerApplicator.DefaultLayer; }); assets.Add(rootObject); } } } return(assets); }
private async Task <IList <Godot.Object> > LoadGltfFromStream(WebRequestLoader loader, Stream stream, ColliderType colliderType) { var assets = new List <Godot.Object>(30); // pre-parse glTF document so we can get a scene count // run this on a threadpool thread so that the Unity main thread is not blocked GLTF.Schema.GLTFRoot gltfRoot = null; try { await Task.Run(() => { GLTF.GLTFParser.ParseJson(stream, out gltfRoot); }); } catch (Exception e) { GD.PrintErr(e); } if (gltfRoot == null) { throw new GLTFLoadException("Failed to parse glTF"); } stream.Position = 0; using (GLTFSceneImporter importer = MREAPI.AppsAPI.GLTFImporterFactory.CreateImporter(gltfRoot, loader, null /* FIXME _asyncHelper*/, stream)) { importer.SceneParent = MREAPI.AppsAPI.AssetCache.CacheRootGO; importer.Collider = colliderType.ToGLTFColliderType(); if (gltfRoot.Textures != null) { for (var i = 0; i < gltfRoot.Textures.Count; i++) { await importer.LoadTextureAsync(gltfRoot.Textures[i], i, true); var texture = importer.GetTexture(i); texture.ResourceName = gltfRoot.Textures[i].Name ?? $"texture:{i}"; assets.Add(texture); } } // load meshes if (gltfRoot.Meshes != null) { var cancellationSource = new System.Threading.CancellationTokenSource(); for (var i = 0; i < gltfRoot.Meshes.Count; i++) { var mesh = await importer.LoadMeshAsync(i, cancellationSource.Token); mesh.ResourceName = gltfRoot.Meshes[i].Name ?? $"mesh:{i}"; assets.Add(mesh); } } // load materials if (gltfRoot.Materials != null) { for (var i = 0; i < gltfRoot.Materials.Count; i++) { var matdef = gltfRoot.Materials[i]; var material = await importer.LoadMaterialAsync(i); material.ResourceName = matdef.Name ?? $"material:{i}"; assets.Add(material); } } // load prefabs if (gltfRoot.Scenes != null) { for (var i = 0; i < gltfRoot.Scenes.Count; i++) { await importer.LoadSceneAsync(i).ConfigureAwait(true); Node rootObject = importer.LastLoadedScene; rootObject.Name = gltfRoot.Scenes[i].Name ?? $"scene:{i}"; var animation = rootObject.GetChild <Godot.AnimationPlayer>(); if (animation != null) { animation.AssignedAnimation = null; // initialize mapping so we know which gameobjects are targeted by which animation clips var mapping = new PrefabAnimationTargets(); rootObject.AddChild(mapping); mapping.Initialize(gltfRoot, i); } assets.Add(rootObject); } } } return(assets); }