public static ImporterContext Parse(string path, Byte[] bytes)
{
var ext = Path.GetExtension(path).ToLower();
var context = new ImporterContext(UnityPath.FromFullpath(path));
switch (ext)
{
case ".gltf":
context.ParseJson(Encoding.UTF8.GetString(bytes), new FileSystemStorage(Path.GetDirectoryName(path)));
break;
case ".zip":
{
var zipArchive = Zip.ZipArchiveStorage.Parse(bytes);
var gltf = zipArchive.Entries.FirstOrDefault(x => x.FileName.ToLower().EndsWith(".gltf"));
if (gltf == null)
{
throw new Exception("no gltf in archive");
}
var jsonBytes = zipArchive.Extract(gltf);
var json = Encoding.UTF8.GetString(jsonBytes);
context.ParseJson(json, zipArchive);
}
break;
case ".glb":
context.ParseGlb(bytes);
break;
default:
throw new NotImplementedException();
}
return(context);
}
public void UniGLTFSimpleSceneTest()
{
var go = CreateSimpelScene();
var context = new ImporterContext();
try
{
// export
var gltf = new glTF();
using (var exporter = new gltfExporter(gltf))
{
exporter.Prepare(go);
exporter.Export();
// import
context.ParseJson(gltf.ToJson(), new SimpleStorage(new ArraySegment <byte>()));
//Debug.LogFormat("{0}", context.Json);
gltfImporter.Load(context);
AssertAreEqual(go.transform, context.Root.transform);
}
}
finally
{
//Debug.LogFormat("Destory, {0}", go.name);
GameObject.DestroyImmediate(go);
context.Destroy(true);
}
}
GameObject Load(string path)
{
var bytes = File.ReadAllBytes(path);
Debug.LogFormat("[OnClick] {0}", path);
var context = new ImporterContext();
var ext = Path.GetExtension(path).ToLower();
switch (ext)
{
case ".gltf":
context.ParseJson(Encoding.UTF8.GetString(bytes), new FileSystemStorage(Path.GetDirectoryName(path)));
break;
case ".zip":
{
var zipArchive = Zip.ZipArchiveStorage.Parse(bytes);
var gltf = zipArchive.Entries.FirstOrDefault(x => x.FileName.ToLower().EndsWith(".gltf"));
if (gltf == null)
{
throw new Exception("no gltf in archive");
}
var jsonBytes = zipArchive.Extract(gltf);
var json = Encoding.UTF8.GetString(jsonBytes);
context.ParseJson(json, zipArchive);
}
break;
case ".glb":
context.ParseGlb(bytes);
break;
default:
throw new NotImplementedException();
}
context.Load();
context.Root.name = Path.GetFileNameWithoutExtension(path);
context.ShowMeshes();
return(context.Root);
}
public static void Import(UnityPath gltfPath)
{
if (!gltfPath.IsUnderAssetsFolder)
{
throw new Exception();
}
ImporterContext context = new ImporterContext(gltfPath);
var ext = gltfPath.Extension.ToLower();
try
{
var prefabPath = gltfPath.Parent.Child(gltfPath.FileNameWithoutExtension + ".prefab");
if (ext == ".gltf")
{
context.ParseJson(File.ReadAllText(gltfPath.FullPath, System.Text.Encoding.UTF8),
new FileSystemStorage(gltfPath.Parent.FullPath));
gltfImporter.Load(context);
context.SaveAsAsset(prefabPath);
context.Destroy(false);
}
else if (ext == ".glb")
{
context.ParseGlb(File.ReadAllBytes(gltfPath.FullPath));
context.SaveTexturesAsPng(prefabPath);
EditorApplication.delayCall += () =>
{
// delay and can import png texture
gltfImporter.Load(context);
context.SaveAsAsset(prefabPath);
context.Destroy(false);
};
}
else
{
return;
}
}
catch (UniGLTFNotSupportedException ex)
{
Debug.LogWarningFormat("{0}: {1}",
gltfPath,
ex.Message
);
}
catch (Exception ex)
{
Debug.LogErrorFormat("import error: {0}", gltfPath);
Debug.LogErrorFormat("{0}", ex);
if (context != null)
{
context.Destroy(true);
}
}
}
IEnumerator Start()
{
Debug.LogFormat("get {0}", m_url);
var www = new WWW(m_url);
yield return(www);
var bytes = www.bytes;
if (!string.IsNullOrEmpty(www.error))
{
Debug.LogWarningFormat("fail to download: {0}", www.error);
yield break;
}
Debug.LogFormat("downloaded {0} bytes", bytes.Length);
var task = CoroutineUtil.RunOnThread(() => Zip.ZipArchiveStorage.Parse(bytes));
yield return(task);
if (task.Error != null)
{
throw task.Error;
}
var zipArchive = task.Result;
Debug.LogFormat("done {0}", zipArchive);
var gltf = zipArchive.Entries.FirstOrDefault(x => x.FileName.ToLower().EndsWith(".gltf"));
if (gltf == null)
{
Debug.LogWarning("no gltf in archive");
yield break;
}
#if false
var json = zipArchive.ExtractToString(gltf, Encoding.UTF8);
#else
var jsonBytes = zipArchive.Extract(gltf);
var json = Encoding.UTF8.GetString(jsonBytes);
#endif
Debug.LogFormat("gltf json: {0}", json);
var context = new ImporterContext();
context.ParseJson(json, zipArchive);
context.Load();
context.ShowMeshes();
}
public static void ImportMenu()
{
var path = UnityEditor.EditorUtility.OpenFilePanel("open gltf", "", "gltf,glb");
if (!string.IsNullOrEmpty(path))
{
Debug.Log(path);
var context = new ImporterContext
{
Path = path,
};
var bytes = File.ReadAllBytes(path);
var ext = Path.GetExtension(path).ToLower();
switch (ext)
{
case ".gltf":
{
context.ParseJson <glTF>(Encoding.UTF8.GetString(bytes), new FileSystemStorage(Path.GetDirectoryName(path)));
gltfImporter.Import <glTF>(context);
context.Root.name = Path.GetFileNameWithoutExtension(path);
context.ShowMeshes();
Selection.activeGameObject = context.Root;
}
break;
case ".glb":
{
context.ParseGlb <glTF>(bytes);
gltfImporter.Import <glTF>(context);
context.Root.name = Path.GetFileNameWithoutExtension(path);
context.ShowMeshes();
Selection.activeGameObject = context.Root;
}
break;
default:
Debug.LogWarningFormat("unknown ext: {0}", path);
break;
}
}
}
public void ImportExportTest()
{
var path = Path.GetFullPath(Application.dataPath + "/../glTF-Sample-Models/2.0/Box/glTF/Box.gltf");
var context = new ImporterContext();
var bytes = File.ReadAllBytes(path);
var importJson = Encoding.UTF8.GetString(bytes);
context.ParseJson(importJson, new FileSystemStorage(Path.GetDirectoryName(path)));
context.Load();
var gltf = gltfExporter.Export(context.Root);
var exportJson = gltf.ToJson();
var l = UniJSON.JsonParser.Parse(importJson);
var r = UniJSON.JsonParser.Parse(exportJson);
foreach (var diff in l.Diff(r))
{
Debug.Log(diff);
}
//Assert.AreEqual();
}
public void UniGLTFSimpleSceneTest()
{
var go = CreateSimpleScene();
var context = new ImporterContext();
try
{
// export
var gltf = new glTF();
string json = null;
using (var exporter = new gltfExporter(gltf))
{
exporter.Prepare(go);
exporter.Export();
// remove empty buffer
gltf.buffers.Clear();
json = gltf.ToJson();
}
// import
context.ParseJson(json, new SimpleStorage(new ArraySegment <byte>()));
//Debug.LogFormat("{0}", context.Json);
context.Load();
AssertAreEqual(go.transform, context.Root.transform);
}
finally
{
//Debug.LogFormat("Destory, {0}", go.name);
GameObject.DestroyImmediate(go);
context.EditorDestroyRootAndAssets();
}
}
public void SameMeshButDifferentMaterialExport()
{
var go = new GameObject("same_mesh");
try
{
var shader = Shader.Find("Unlit/Color");
var cubeA = GameObject.CreatePrimitive(PrimitiveType.Cube);
{
cubeA.transform.SetParent(go.transform);
var material = new Material(shader);
material.name = "red";
material.color = Color.red;
cubeA.GetComponent <Renderer>().sharedMaterial = material;
}
{
var cubeB = GameObject.Instantiate(cubeA);
cubeB.transform.SetParent(go.transform);
var material = new Material(shader);
material.color = Color.blue;
material.name = "blue";
cubeB.GetComponent <Renderer>().sharedMaterial = material;
Assert.AreEqual(cubeB.GetComponent <MeshFilter>().sharedMesh, cubeA.GetComponent <MeshFilter>().sharedMesh);
}
// export
var gltf = new glTF();
var json = default(string);
using (var exporter = new gltfExporter(gltf))
{
exporter.Prepare(go);
exporter.Export();
json = gltf.ToJson();
}
Assert.AreEqual(2, gltf.meshes.Count);
var red = gltf.materials[gltf.meshes[0].primitives[0].material];
Assert.AreEqual(new float[] { 1, 0, 0, 1 }, red.pbrMetallicRoughness.baseColorFactor);
var blue = gltf.materials[gltf.meshes[1].primitives[0].material];
Assert.AreEqual(new float[] { 0, 0, 1, 1 }, blue.pbrMetallicRoughness.baseColorFactor);
Assert.AreEqual(2, gltf.nodes.Count);
Assert.AreNotEqual(gltf.nodes[0].mesh, gltf.nodes[1].mesh);
// import
{
var context = new ImporterContext();
context.ParseJson(json, new SimpleStorage(new ArraySegment <byte>(new byte[1024 * 1024])));
//Debug.LogFormat("{0}", context.Json);
context.Load();
var importedRed = context.Root.transform.GetChild(0);
var importedRedMaterial = importedRed.GetComponent <Renderer>().sharedMaterial;
Assert.AreEqual("red", importedRedMaterial.name);
Assert.AreEqual(Color.red, importedRedMaterial.color);
var importedBlue = context.Root.transform.GetChild(1);
var importedBlueMaterial = importedBlue.GetComponent <Renderer>().sharedMaterial;
Assert.AreEqual("blue", importedBlueMaterial.name);
Assert.AreEqual(Color.blue, importedBlueMaterial.color);
}
// import new version
{
var context = new ImporterContext
{
UseUniJSONParser = true
};
context.ParseJson(json, new SimpleStorage(new ArraySegment <byte>(new byte[1024 * 1024])));
//Debug.LogFormat("{0}", context.Json);
context.Load();
var importedRed = context.Root.transform.GetChild(0);
var importedRedMaterial = importedRed.GetComponent <Renderer>().sharedMaterial;
Assert.AreEqual("red", importedRedMaterial.name);
Assert.AreEqual(Color.red, importedRedMaterial.color);
var importedBlue = context.Root.transform.GetChild(1);
var importedBlueMaterial = importedBlue.GetComponent <Renderer>().sharedMaterial;
Assert.AreEqual("blue", importedBlueMaterial.name);
Assert.AreEqual(Color.blue, importedBlueMaterial.color);
}
}
finally
{
GameObject.DestroyImmediate(go);
}
}
static void OnPostprocessAllAssets(string[] importedAssets,
string[] deletedAssets,
string[] movedAssets,
string[] movedFromAssetPaths)
{
foreach (string path in importedAssets)
{
ImporterContext context = new ImporterContext
{
Path = path,
};
var ext = Path.GetExtension(path).ToLower();
try
{
if (ext == ".gltf")
{
context.ParseJson <glTF>(File.ReadAllText(context.Path, System.Text.Encoding.UTF8),
new FileSystemStorage(Path.GetDirectoryName(path)));
gltfImporter.Import <glTF>(context);
context.SaveAsAsset();
context.Destroy(false);
}
else if (ext == ".glb")
{
context.ParseGlb <glTF>(File.ReadAllBytes(context.Path));
//
// https://answers.unity.com/questions/647615/how-to-update-import-settings-for-newly-created-as.html
//
for (int i = 0; i < context.GLTF.textures.Count; ++i)
{
var x = context.GLTF.textures[i];
var image = context.GLTF.images[x.source];
if (string.IsNullOrEmpty(image.uri))
{
// glb buffer
var folder = context.GetAssetFolder(".Textures").AssetPathToFullPath();
if (!Directory.Exists(folder))
{
UnityEditor.AssetDatabase.CreateFolder(context.GLTF.baseDir, Path.GetFileNameWithoutExtension(context.Path) + ".Textures");
//Directory.CreateDirectory(folder);
}
// name & bytes
var textureName = !string.IsNullOrEmpty(image.name) ? image.name : string.Format("{0:00}#GLB", i);
var byteSegment = context.GLTF.GetViewBytes(image.bufferView);
// path
var png = Path.Combine(folder, textureName + ".png");
File.WriteAllBytes(png, byteSegment.ToArray());
var assetPath = png.ToUnityRelativePath();
//Debug.LogFormat("import asset {0}", assetPath);
UnityEditor.AssetDatabase.ImportAsset(assetPath);
image.uri = assetPath.Substring(context.GLTF.baseDir.Length + 1);
}
}
UnityEditor.AssetDatabase.Refresh();
EditorApplication.delayCall += () =>
{
// delay and can import png texture
gltfImporter.Import <glTF>(context);
context.SaveAsAsset();
context.Destroy(false);
};
}
else
{
continue;
}
}
catch (UniGLTFNotSupportedException ex)
{
Debug.LogWarningFormat("{0}: {1}",
path,
ex.Message
);
}
catch (Exception ex)
{
Debug.LogErrorFormat("import error: {0}", path);
Debug.LogErrorFormat("{0}", ex);
if (context != null)
{
context.Destroy(true);
}
}
}
}
