public IEnumerator Load()
{
GLTFSceneImporter sceneImporter = null;
ILoader loader = null;
try
{
string directoryPath = URIHelper.GetDirectoryName(GLTFUri);
loader = new WebRequestLoader(directoryPath);
sceneImporter = new GLTFSceneImporter(
URIHelper.GetFileFromUri(new Uri(GLTFUri)),
loader
);
sceneImporter.SceneParent = gameObject.transform;
sceneImporter.Collider = Collider;
sceneImporter.MaximumLod = MaximumLod;
sceneImporter.Timeout = Timeout;
sceneImporter.isMultithreaded = Multithreaded;
sceneImporter.CustomShaderName = shaderOverride ? shaderOverride.name : null;
yield return(sceneImporter.LoadScene(-1));
// Override the shaders on all materials if a shader is provided
if (shaderOverride != null)
{
Renderer[] renderers = gameObject.GetComponentsInChildren <Renderer>();
foreach (Renderer renderer in renderers)
{
renderer.sharedMaterial.shader = shaderOverride;
}
}
if (gameObject.GetComponentInChildren <Animation>() != null)
{
anim = gameObject.GetComponentInChildren <Animation>();
}
if (anim != null)
{
anim.Play();
}
}
finally
{
if (loader != null)
{
sceneImporter.Dispose();
sceneImporter = null;
loader = null;
}
}
}
IEnumerator Start()
{
ILoader loader = new WebRequestLoader(URIHelper.GetDirectoryName(Url));
var sceneImporter = new GLTFSceneImporter(
URIHelper.GetFileFromUri(new Uri(Url)),
loader
);
sceneImporter.SceneParent = gameObject.transform;
sceneImporter.isMultithreaded = Multithreaded;
yield return(sceneImporter.LoadScene(-1));
IntegrationTest.Pass();
}
private void Awake()
{
GameObject timeProvidersGo = new GameObject("-TimeProvider");
SimpleTimeProvider mainCoroutineTimeProvider = timeProvidersGo.AddComponent <SimpleTimeProvider>();
CoroutineManager coroutineManager = new CoroutineManager();
coroutineManager.TimeProvider = mainCoroutineTimeProvider;
resourceStorage = new ResourceStorage(100);
WebRequestLoader webLoader = new WebRequestLoader(coroutineManager);
webLoader.RegisterResourceCreator(new TextureDataCreator());
webLoader.RegisterResourceCreator(new StringDataCreator());
resourceStorage.RegisterResourceLoader(webLoader);
}
public IEnumerator Load()
{
GLTFSceneImporter sceneImporter = null;
ILoader loader = null;
if (UseStream)
{
// Path.Combine treats paths that start with the separator character
// as absolute paths, ignoring the first path passed in. This removes
// that character to properly handle a filename written with it.
GLTFUri = GLTFUri.TrimStart(new[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar });
string fullPath = Path.Combine(Application.streamingAssetsPath, GLTFUri);
string directoryPath = URIHelper.GetDirectoryName(fullPath);
loader = new FileLoader(directoryPath);
sceneImporter = new GLTFSceneImporter(
Path.GetFileName(GLTFUri),
loader
);
}
else
{
string directoryPath = URIHelper.GetDirectoryName(GLTFUri);
loader = new WebRequestLoader(directoryPath);
sceneImporter = new GLTFSceneImporter(
URIHelper.GetFileFromUri(new Uri(GLTFUri)),
loader
);
}
sceneImporter.SceneParent = gameObject.transform;
sceneImporter.Collider = Collider;
sceneImporter.MaximumLod = MaximumLod;
sceneImporter.CustomShaderName = shaderOverride ? shaderOverride.name : null;
yield return(sceneImporter.LoadScene(-1, Multithreaded));
// Override the shaders on all materials if a shader is provided
if (shaderOverride != null)
{
Renderer[] renderers = gameObject.GetComponentsInChildren <Renderer>();
foreach (Renderer renderer in renderers)
{
renderer.sharedMaterial.shader = shaderOverride;
}
}
SendMessageUpwards("GLTFLoadComplete", gameObject, SendMessageOptions.DontRequireReceiver);
}
private IEnumerator InitProcess()
{
Debug.Log("Start Init process");
resourceStorage = new ResourceStorage(100);
var manifestLoader = new WebRequestLoader(coroutineManager);
manifestLoader.RegisterResourceCreator(new StringDataCreator());
UnityResourceFromBundleLoader resFromBundlesLoader = new UnityResourceFromBundleLoader(coroutineManager);
WebRequestBundlesLoader bundlesLoader = new WebRequestBundlesLoader(serverStaticPath, coroutineManager);
resourceStorage.RegisterResourceLoader(manifestLoader);
resourceStorage.RegisterResourceLoader(resFromBundlesLoader);
resourceStorage.RegisterResourceLoader(bundlesLoader);
//Load Manifest
ManifestResourceHolder manifestHolder = new ManifestResourceHolder();
var manifestLoadingOperation = resourceStorage.LoadResource <string>(manifestHolder, Path.Combine(serverStaticPath, manifestName));
yield return(manifestLoadingOperation);
Debug.Log("Manifest loaded: " + manifestLoadingOperation.Resource);
var jsonSerializer =
new JsonSerializer(new JsonSerializerSettings {
Formatting = Formatting.Indented
}, Encoding.UTF8);
var manifestAsJson = jsonSerializer.DeserializeString <AssetBundleManifest>(manifestLoadingOperation.Resource);
bundlesLoader.Manifest.AddManifestPart(manifestAsJson);
resourceStorage.ReleaseAllOwnerResourcesFromCache(manifestHolder);
_prefabsResourceHolder = new PrefabsResourceHolder();
Debug.Log("Init process pass");
}
private async void DownloadSampleModelList()
{
var pathRoot = serializedObject.FindProperty(SampleModelList.PathRootFieldName).stringValue;
var manifestRelativePath = serializedObject.FindProperty(SampleModelList.ManifestRelativePathFieldName).stringValue;
var loader = new WebRequestLoader(pathRoot);
Stream stream;
try
{
stream = await loader.LoadStreamAsync(manifestRelativePath);
}
catch (HttpRequestException)
{
Debug.LogError($"Failed to download sample model list manifest from: {pathRoot}{manifestRelativePath}", serializedObject.targetObject);
throw;
}
var jsonReader = CreateJsonReaderFromStream(stream);
jsonReader.Read();
var listType = SampleModelListParser.DetermineListSource(jsonReader);
jsonReader = CreateJsonReaderFromStream(stream);
jsonReader.Read();
if (listType == SampleModelListParser.ListType.SampleModels)
{
models = SampleModelListParser.ParseSampleModels(jsonReader);
}
else
{
models = SampleModelListParser.ParseAssetGeneratorModels(jsonReader);
}
}
public async Task Load()
{
asyncCoroutineHelper = gameObject.AddComponent <AsyncCoroutineHelper>();
GLTFSceneImporter sceneImporter = null;
ILoader loader = null;
try
{
if (UseStream)
{
// Path.Combine treats paths that start with the separator character
// as absolute paths, ignoring the first path passed in. This removes
// that character to properly handle a filename written with it.
GLTFUri = GLTFUri.TrimStart(new[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar });
string fullPath = Path.Combine(Application.streamingAssetsPath, GLTFUri);
string directoryPath = URIHelper.GetDirectoryName(fullPath);
loader = new FileLoader(directoryPath);
sceneImporter = new GLTFSceneImporter(
Path.GetFileName(GLTFUri),
loader,
asyncCoroutineHelper
);
}
else
{
string directoryPath = URIHelper.GetDirectoryName(GLTFUri);
loader = new WebRequestLoader(directoryPath, asyncCoroutineHelper);
sceneImporter = new GLTFSceneImporter(
URIHelper.GetFileFromUri(new Uri(GLTFUri)),
loader,
asyncCoroutineHelper
);
}
sceneImporter.SceneParent = gameObject.transform;
sceneImporter.Collider = Collider;
sceneImporter.MaximumLod = MaximumLod;
sceneImporter.Timeout = Timeout;
sceneImporter.isMultithreaded = Multithreaded;
sceneImporter.CustomShaderName = shaderOverride ? shaderOverride.name : null;
await sceneImporter.LoadSceneAsync(-1);
// Override the shaders on all materials if a shader is provided
if (shaderOverride != null)
{
Renderer[] renderers = gameObject.GetComponentsInChildren <Renderer>();
foreach (Renderer renderer in renderers)
{
renderer.sharedMaterial.shader = shaderOverride;
}
}
}
finally
{
if (loader != null)
{
sceneImporter?.Dispose();
sceneImporter = null;
loader = null;
}
}
}
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 <Asset> > LoadAssetsFromGLTF(AssetSource source, Guid containerId, ColliderType colliderType)
{
WebRequestLoader loader = null;
Stream stream = null;
source.ParsedUri = new Uri(_app.ServerAssetUri, source.ParsedUri);
var rootUri = URIHelper.GetDirectoryName(source.ParsedUri.AbsoluteUri);
var cachedVersion = MREAPI.AppsAPI.AssetCache.SupportsSync ?
MREAPI.AppsAPI.AssetCache.GetVersionSync(source.ParsedUri) :
await MREAPI.AppsAPI.AssetCache.GetVersion(source.ParsedUri);
// Wait asynchronously until the load throttler lets us through.
using (var scope = await AssetLoadThrottling.AcquireLoadScope())
{
// set up loader
loader = new WebRequestLoader(rootUri);
if (!string.IsNullOrEmpty(cachedVersion))
{
loader.BeforeRequestCallback += (msg) =>
{
if (msg.RequestUri == source.ParsedUri)
{
msg.Headers.Add("If-None-Match", cachedVersion);
}
};
}
// download root gltf file, check for cache hit
try
{
stream = await loader.LoadStreamAsync(URIHelper.GetFileFromUri(source.ParsedUri));
source.Version = loader.LastResponse.Headers.ETag?.Tag ?? "";
}
catch (HttpRequestException)
{
if (loader.LastResponse.StatusCode == System.Net.HttpStatusCode.NotModified)
{
source.Version = cachedVersion;
}
else
{
throw;
}
}
}
IList <Asset> assetDefs = new List <Asset>(30);
DeterministicGuids guidGenerator = new DeterministicGuids(UtilMethods.StringToGuid(
$"{containerId}:{source.ParsedUri.AbsoluteUri}"));
IList <UnityEngine.Object> assets;
// fetch assets from glTF stream or cache
if (source.Version != cachedVersion)
{
assets = await LoadGltfFromStream(loader, stream, colliderType);
MREAPI.AppsAPI.AssetCache.StoreAssets(source.ParsedUri, assets, source.Version);
}
else
{
var assetsEnum = MREAPI.AppsAPI.AssetCache.SupportsSync ?
MREAPI.AppsAPI.AssetCache.LeaseAssetsSync(source.ParsedUri) :
await MREAPI.AppsAPI.AssetCache.LeaseAssets(source.ParsedUri);
assets = assetsEnum.ToList();
}
// catalog assets
int textureIndex = 0, meshIndex = 0, materialIndex = 0, prefabIndex = 0;
foreach (var asset in assets)
{
var assetDef = GenerateAssetPatch(asset, guidGenerator.Next());
assetDef.Name = asset.name;
string internalId = null;
if (asset is UnityEngine.Texture)
{
internalId = $"texture:{textureIndex++}";
}
else if (asset is UnityEngine.Mesh)
{
internalId = $"mesh:{meshIndex++}";
}
else if (asset is UnityEngine.Material)
{
internalId = $"material:{materialIndex++}";
}
else if (asset is GameObject)
{
internalId = $"scene:{prefabIndex++}";
}
assetDef.Source = new AssetSource(source.ContainerType, source.ParsedUri.AbsoluteUri, internalId, source.Version);
ColliderGeometry colliderGeo = null;
if (asset is UnityEngine.Mesh mesh)
{
colliderGeo = colliderType == ColliderType.Mesh ?
(ColliderGeometry) new MeshColliderGeometry()
{
MeshId = assetDef.Id
} :
(ColliderGeometry) new BoxColliderGeometry()
{
Size = (mesh.bounds.size * 0.8f).CreateMWVector3(),
Center = mesh.bounds.center.CreateMWVector3()
};
}
_app.AssetManager.Set(assetDef.Id, containerId, asset, colliderGeo, assetDef.Source);
assetDefs.Add(assetDef);
}
return(assetDefs);
}
public async Task Load()
{
asyncCoroutineHelper = gameObject.GetComponent <AsyncCoroutineHelper>() ?? gameObject.AddComponent <AsyncCoroutineHelper>();
GLTFSceneImporter sceneImporter = null;
ILoader loader = null;
try
{
if (UseStream)
{
// Path.Combine treats paths that start with the separator character
// as absolute paths, ignoring the first path passed in. This removes
// that character to properly handle a filename written with it.
GLTFUri = GLTFUri.TrimStart(new[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar });
string fullPath;
if (AppendStreamingAssets)
{
fullPath = Path.Combine(Application.streamingAssetsPath, GLTFUri);
}
else
{
fullPath = GLTFUri;
}
string directoryPath = URIHelper.GetDirectoryName(fullPath);
loader = new FileLoader(directoryPath);
sceneImporter = new GLTFSceneImporter(
Path.GetFileName(GLTFUri),
loader,
asyncCoroutineHelper
);
}
else
{
string directoryPath = URIHelper.GetDirectoryName(GLTFUri);
loader = new WebRequestLoader(directoryPath);
sceneImporter = new GLTFSceneImporter(
URIHelper.GetFileFromUri(new Uri(GLTFUri)),
loader,
asyncCoroutineHelper
);
}
sceneImporter.SceneParent = gameObject.transform;
sceneImporter.Collider = Collider;
sceneImporter.MaximumLod = MaximumLod;
sceneImporter.Timeout = Timeout;
sceneImporter.IsMultithreaded = Multithreaded;
sceneImporter.CustomShaderName = shaderOverride ? shaderOverride.name : null;
if (MaterialsOnly)
{
var mat = await sceneImporter.LoadMaterialAsync(0);
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
cube.transform.SetParent(gameObject.transform);
var renderer = cube.GetComponent <Renderer>();
renderer.sharedMaterial = mat;
}
else
{
await sceneImporter.LoadSceneAsync();
}
// Override the shaders on all materials if a shader is provided
if (shaderOverride != null)
{
Renderer[] renderers = gameObject.GetComponentsInChildren <Renderer>();
foreach (Renderer renderer in renderers)
{
renderer.sharedMaterial.shader = shaderOverride;
}
}
if (PlayAnimationOnLoad)
{
Animation[] animations = sceneImporter.LastLoadedScene.GetComponents <Animation>();
foreach (Animation anim in animations)
{
anim.Play();
}
}
}
finally
{
if (loader != null)
{
sceneImporter?.Dispose();
sceneImporter = null;
loader = null;
}
}
}
public IEnumerator LoadAssetCoroutine()
{
if (!string.IsNullOrEmpty(GLTFUri))
{
if (VERBOSE)
{
Debug.Log("LoadAssetCoroutine() GLTFUri ->" + GLTFUri);
}
asyncCoroutineHelper = gameObject.GetComponent <AsyncCoroutineHelper>() ?? gameObject.AddComponent <AsyncCoroutineHelper>();
sceneImporter = null;
ILoader loader = null;
Destroy(loadedAssetRootGameObject);
try
{
if (UseStream)
{
// Path.Combine treats paths that start with the separator character
// as absolute paths, ignoring the first path passed in. This removes
// that character to properly handle a filename written with it.
GLTFUri = GLTFUri.TrimStart(new[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar });
string fullPath = Path.Combine(Application.streamingAssetsPath, GLTFUri);
string directoryPath = URIHelper.GetDirectoryName(fullPath);
loader = new FileLoader(directoryPath);
sceneImporter = new GLTFSceneImporter(
Path.GetFileName(GLTFUri),
loader,
asyncCoroutineHelper
);
}
else
{
loader = new WebRequestLoader("");
if (OnWebRequestStartEvent != null)
{
(loader as WebRequestLoader).OnLoadStreamStart += OnWebRequestStartEvent;
}
sceneImporter = new GLTFSceneImporter(
GLTFUri,
loader,
asyncCoroutineHelper
);
}
if (sceneImporter.CreatedObject != null)
{
Destroy(sceneImporter.CreatedObject);
}
sceneImporter.SceneParent = gameObject.transform;
sceneImporter.Collider = Collider;
sceneImporter.maximumLod = MaximumLod;
sceneImporter.Timeout = Timeout;
sceneImporter.isMultithreaded = Multithreaded;
sceneImporter.useMaterialTransition = UseVisualFeedback;
sceneImporter.CustomShaderName = shaderOverride ? shaderOverride.name : null;
sceneImporter.LoadingTextureMaterial = LoadingTextureMaterial;
sceneImporter.initialVisibility = initialVisibility;
sceneImporter.addMaterialsToPersistentCaching = addMaterialsToPersistentCaching;
float time = Time.realtimeSinceStartup;
queueCount++;
state = State.QUEUED;
Func <bool> funcTestDistance = () => TestDistance();
yield return(new WaitUntil(funcTestDistance));
queueCount--;
totalDownloadedCount++;
IncrementDownloadCount();
state = State.DOWNLOADING;
yield return(sceneImporter.LoadScene(-1));
state = State.COMPLETED;
DecrementDownloadCount();
// Override the shaders on all materials if a shader is provided
if (shaderOverride != null)
{
Renderer[] renderers = gameObject.GetComponentsInChildren <Renderer>();
foreach (Renderer renderer in renderers)
{
renderer.sharedMaterial.shader = shaderOverride;
}
}
}
finally
{
if (loader != null)
{
if (sceneImporter == null)
{
Debug.Log("sceneImporter is null, could be due to an invalid URI.", this);
}
else
{
loadedAssetRootGameObject = sceneImporter.CreatedObject;
sceneImporter?.Dispose();
sceneImporter = null;
}
if (OnWebRequestStartEvent != null)
{
(loader as WebRequestLoader).OnLoadStreamStart -= OnWebRequestStartEvent;
OnWebRequestStartEvent = null;
}
loader = null;
}
alreadyLoadedAsset = true;
OnFinishedLoadingAsset?.Invoke();
}
}
else
{
Debug.Log("couldn't load GLTF because url is empty");
}
CoroutineStarter.Stop(loadingRoutine);
loadingRoutine = null;
Destroy(loadingPlaceholder);
Destroy(this);
}
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
UtilMethods.GetUrlParts(source.ParsedUri.AbsoluteUri, out string rootUrl, out string filename);
var loader = new WebRequestLoader(rootUrl);
await loader.LoadStream(filename);
// pre-parse glTF document so we can get a scene count
// TODO: run this in thread
GLTF.GLTFParser.ParseJson(loader.LoadedStream, out GLTF.Schema.GLTFRoot gltfRoot);
GLTFSceneImporter importer =
MREAPI.AppsAPI.GLTFImporterFactory.CreateImporter(gltfRoot, loader, _asyncHelper, loader.LoadedStream);
importer.SceneParent = MREAPI.AppsAPI.AssetCache.CacheRootGO().transform;
importer.Collider = colliderType.ToGLTFColliderType();
// load prefabs
if (gltfRoot.Scenes != null)
{
for (var i = 0; i < gltfRoot.Scenes.Count; i++)
{
await importer.LoadSceneAsync(i);
GameObject rootObject = importer.LastLoadedScene;
rootObject.name = gltfRoot.Scenes[i].Name ?? $"scene:{i}";
MWGOTreeWalker.VisitTree(rootObject, (go) =>
{
go.layer = UnityConstants.ActorLayerIndex;
});
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);
}
}
// 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 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);
}
}
importer.Dispose();
return(assets);
}
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 <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);
}
