public static async Task Load(GameObject gameObjectLoader, string url, Action callback, Action <GameObject> onInitializeGltfObject)
{
ImporterFactory Factory = null;
bool UseStream = true;
string GLTFUri = url;
bool Multithreaded = true;
int MaximumLod = 300;
int Timeout = 8;
var importOptions = new ImportOptions
{
AsyncCoroutineHelper = gameObjectLoader.GetComponent <AsyncCoroutineHelper>() ?? gameObjectLoader.AddComponent <AsyncCoroutineHelper>()
};
GLTFSceneImporter sceneImporter = null;
var cancelToken = new CancellationTokenSource();
try
{
Factory = Factory ?? ScriptableObject.CreateInstance <DefaultImporterFactory>();
if (UseStream)
{
var fullPath = GLTFUri;
string directoryPath = URIHelper.GetDirectoryName(fullPath);
importOptions.DataLoader = new FileLoader(directoryPath);
sceneImporter = Factory.CreateSceneImporter(Path.GetFileName(GLTFUri), importOptions);
}
else
{
string directoryPath = URIHelper.GetDirectoryName(GLTFUri);
importOptions.DataLoader = new WebRequestLoader(directoryPath);
sceneImporter = Factory.CreateSceneImporter(URIHelper.GetFileFromUri(new Uri(GLTFUri)), importOptions);
}
sceneImporter.SceneParent = gameObjectLoader.transform;
sceneImporter.MaximumLod = MaximumLod;
sceneImporter.Timeout = Timeout;
sceneImporter.IsMultithreaded = Multithreaded;
sceneImporter.OnInitializeGltfObject = onInitializeGltfObject;
mTasks.Add(cancelToken);
await sceneImporter.LoadSceneAsync(-1, true, null, cancelToken.Token);
}
finally
{
if (importOptions.DataLoader != null)
{
if (sceneImporter != null)
{
mCreatedScenes.Add(sceneImporter.CreatedObject);
if (cancelToken.IsCancellationRequested)
{
sceneImporter.CreatedObject.DestroySelf();
}
sceneImporter.Dispose();
sceneImporter = null;
}
importOptions.DataLoader = null;
}
callback.InvokeGracefully();
}
}
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);
}
public async Task LoadGltfAsync(GameObject newObject, string fullPath, ModelImportOptions importOptions)
{
asyncCoroutineHelper = newObject.GetComponent <AsyncCoroutineHelper>() ?? gameObject.AddComponent <AsyncCoroutineHelper>();
//GLTFSceneImporter sceneImporter = null;
ILoader loader = null;
try
{
// 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.
fullPath = fullPath.TrimStart(new[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar });
string directoryPath = URIHelper.GetDirectoryName(fullPath);
loader = new FileLoader(directoryPath);
sceneImporter = new GLTFSceneImporter(
Path.GetFileName(fullPath),
loader,
asyncCoroutineHelper
);
sceneImporter.SceneParent = newObject.transform;
sceneImporter.Collider = Collider;
if (importOptions != null)
{
if (importOptions.buildColliders)
{
sceneImporter.Collider = GLTFSceneImporter.ColliderType.MeshConvex;
//if (importOptions.colliderConvex)
//{
// sceneImporter.Collider = GLTFSceneImporter.ColliderType.MeshConvex;
//}
//else
//{
// sceneImporter.Collider = GLTFSceneImporter.ColliderType.Mesh;
//}
}
else
{
sceneImporter.Collider = GLTFSceneImporter.ColliderType.None;
}
}
sceneImporter.MaximumLod = MaximumLod;
sceneImporter.Timeout = Timeout;
sceneImporter.isMultithreaded = Multithreaded;
sceneImporter.CustomShaderName = shaderOverride ? shaderOverride.name : null;
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;
}
}
}