internal async Task <IList <Actor> > CreateFromGLTF(string resourceUrl, string assetName, Guid?parentId, ColliderType colliderType)
{
UtilMethods.GetUrlParts(resourceUrl, out string rootUrl, out string filename);
var loader = new WebRequestLoader(rootUrl);
var importer = MREAPI.AppsAPI.GLTFImporterFactory.CreateImporter(filename, loader, _asyncHelper);
var parent = _app.FindActor(parentId ?? Guid.Empty) as Actor;
importer.SceneParent = parent?.transform ?? _app.SceneRoot.transform;
importer.Collider = colliderType.ToGLTFColliderType();
await importer.LoadSceneAsync().ConfigureAwait(true);
// note: actor properties are set in App#ProcessCreatedActors
IList <Actor> actors = new List <Actor>();
importer.LastLoadedScene.name = assetName;
MWGOTreeWalker.VisitTree(importer.LastLoadedScene, (go) =>
{
go.layer = UnityConstants.ActorLayerIndex;
actors.Add(go.AddComponent <Actor>());
});
importer.Dispose();
return(actors);
}
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);
}