public IEnumerator Download(Promise <bool> loadComplete)
{
string directoryPath = URIHelper.GetDirectoryName(Url);
string relativePath = Url.Replace(directoryPath, "");
var wrl = new B3DMLoader(new WebRequestLoader(directoryPath));
GLTFSceneImporter sceneImporter = new GLTFSceneImporter(
relativePath,
wrl
);
sceneImporter.SceneParent = gameObject.transform;
sceneImporter.CustomShaderName = ShaderOverride ? ShaderOverride.name : null;
sceneImporter.MaximumLod = MaximumLod;
if (addColliders)
{
sceneImporter.Collider = GLTFSceneImporter.ColliderType.Mesh;
}
yield return(sceneImporter.LoadScene(-1, Multithreaded, sceneObject =>
{
if (sceneObject != null)
{
loadComplete.Resolve(true);
}
else
{
loadComplete.Resolve(false);
}
Destroy(this);
}));
// 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;
}
}
}
public IEnumerator Download(Promise <bool> loadComplete)
{
string url = UrlUtils.ReplaceDataProtocol(Url);
string dir = UrlUtils.GetBaseUri(url);
string file = UrlUtils.GetLastPathSegment(url);
ILoader loader = AbstractWebRequestLoader.CreateDefaultRequestLoader(dir); //.glb, .gltf
if (file.EndsWith(".b3dm", StringComparison.OrdinalIgnoreCase))
{
loader = new B3DMLoader(loader);
}
var sceneImporter = new GLTFSceneImporter(file, loader);
sceneImporter.SceneParent = gameObject.transform;
sceneImporter.CustomShaderName = ShaderOverride ? ShaderOverride.name : null;
sceneImporter.MaximumLod = MaximumLod;
sceneImporter.Collider =
AddColliders ? GLTFSceneImporter.ColliderType.Mesh : GLTFSceneImporter.ColliderType.None;
loadComplete = loadComplete ?? new Promise <bool>();
yield return(sceneImporter.LoadScene(-1, Multithreaded,
sceneObject => loadComplete.Resolve(sceneObject != null)));
}
public static IEnumerator Load(IndexMode mode, string tileUrl, Action <Unity3DTileIndex> success,
Action <IndexMode, string, string> fail)
{
if (mode == IndexMode.Default || mode == IndexMode.None)
{
success(null);
yield break;
}
string url = UrlUtils.ReplaceDataProtocol(tileUrl);
string dir = UrlUtils.GetBaseUri(tileUrl);
string file = UrlUtils.GetLastPathSegment(tileUrl);
var filesToTry = new Queue <string>();
if (mode == IndexMode.ExternalPNG)
{
filesToTry.Enqueue(UrlUtils.StripUrlExtension(file) + "_index.png");
filesToTry.Enqueue(UrlUtils.ChangeUrlExtension(file, ".png"));
}
else if (mode == IndexMode.ExternalPPM)
{
filesToTry.Enqueue(UrlUtils.StripUrlExtension(file) + "_index.ppm");
filesToTry.Enqueue(UrlUtils.ChangeUrlExtension(file, ".ppm"));
}
else if (mode == IndexMode.ExternalPPMZ)
{
filesToTry.Enqueue(UrlUtils.StripUrlExtension(file) + "_index.ppmz");
filesToTry.Enqueue(UrlUtils.ChangeUrlExtension(file, ".ppmz"));
}
else
{
filesToTry.Enqueue(file);
}
Stream stream = null;
Exception exception = null;
string ext = null;
while (stream == null && filesToTry.Count > 0)
{
exception = null;
IEnumerator enumerator = null;
ILoader loader = null;
try
{
file = filesToTry.Dequeue();
ext = UrlUtils.GetUrlExtension(file).ToLower();
loader = AbstractWebRequestLoader.CreateDefaultRequestLoader(dir);
if (ext == ".b3dm")
{
loader = new B3DMLoader(loader);
}
//yield return loader.LoadStream(file); //works but can't catch exceptions
enumerator = loader.LoadStream(file);
}
catch (Exception ex)
{
exception = ex;
}
while (exception == null)
{
try
{
if (!enumerator.MoveNext())
{
break;
}
}
catch (Exception ex)
{
exception = ex;
break;
}
yield return(enumerator.Current);
}
if (exception == null && loader.LoadedStream != null && loader.LoadedStream.Length > 0)
{
stream = loader.LoadedStream;
stream.Seek(0, SeekOrigin.Begin);
}
}
if (stream == null || stream.Length == 0)
{
fail(mode, tileUrl, "download failed" + (exception != null ? (" " + exception.Message) : ""));
yield break;
}
try
{
if (ext == ".b3dm" || ext == ".glb")
{
success(LoadFromGLB(stream));
}
else if (ext == ".gltf")
{
success(LoadFromGLTF(stream));
}
else if (ext == ".png")
{
success(LoadFromPNG(stream));
}
else if (ext == ".ppm" || ext == ".ppmz")
{
success(LoadFromPPM(stream, compressed: ext == ".ppmz"));
}
else
{
fail(mode, tileUrl, "unhandled file type: " + ext);
}
}
catch (Exception ex)
{
fail(mode, tileUrl, "failed to parse " + file + ": " + ex.Message + "\n" + ex.StackTrace);
}
}