static void ImportDelayed(GLTFImporter context, UnityPath prefabPath)
{
EditorApplication.delayCall += () =>
{
//
// After textures imported(To ensure TextureImporter be accessible).
//
// try
// {
var t = Save(context, prefabPath);
// }
// catch (UniGLTFNotSupportedException ex)
// {
// Debug.LogWarningFormat($"{src}: {ex.Message}");
// context.EditorDestroyRootAndAssets();
// }
// catch (Exception ex)
// {
// Debug.LogErrorFormat("import error: {0}", src);
// Debug.LogErrorFormat("{0}", ex);
// context.EditorDestroyRootAndAssets();
// }
};
}
private static async Task Save(GLTFImporter context, UnityPath path)
{
await context.Load(context.storage, p => Debug.Log(p));
context.ShowMeshes();
await SaveAsAsset(context, path);
context.EditorDestroyRoot();
}
public void VersionChecker()
{
Assert.False(GLTFImporter.IsGeneratedGLTFumaAndOlderThan("hoge", 1, 16));
Assert.False(GLTFImporter.IsGeneratedGLTFumaAndOlderThan("UniGLTF-1.16", 1, 16));
Assert.True(GLTFImporter.IsGeneratedGLTFumaAndOlderThan("UniGLTF-1.15", 1, 16));
Assert.False(GLTFImporter.IsGeneratedGLTFumaAndOlderThan("UniGLTF-11.16", 1, 16));
Assert.True(GLTFImporter.IsGeneratedGLTFumaAndOlderThan("UniGLTF-0.16", 1, 16));
Assert.True(GLTFImporter.IsGeneratedGLTFumaAndOlderThan("UniGLTF", 1, 16));
}
public void Unload()
{
_unloaded = true;
if (_loader != null)
{
_loader.Dispose();
_loader = null;
}
if (_storage != null)
{
_storage.Dispose();
_storage = null;
}
}
public static void ImportAsset(string src, string ext, UnityPath prefabPath)
{
if (!prefabPath.isUnderAssetsFolder)
{
Debug.LogWarningFormat("out of asset path: {0}", prefabPath);
return;
}
var context = new GLTFImporter();
context.Parse(src);
// Extract textures to assets folder
ExtranctImages(context, prefabPath);
ImportDelayed(context, prefabPath);
}
/// <summary>
/// Extract images from glb or gltf out of Assets folder.
/// </summary>
/// <param name="prefabPath"></param>
public static void ExtranctImages(GLTFImporter context, UnityPath prefabPath)
{
var prefabParentDir = prefabPath.parent;
// glb buffer
var folder = prefabPath.GetAssetFolder(".Textures");
//
// https://answers.unity.com/questions/647615/how-to-update-import-settings-for-newly-created-as.html
//
int created = 0;
//for (int i = 0; i < GLTF.textures.Count; ++i)
for (int i = 0; i < context.gltf.images.Count; ++i)
{
folder.EnsureFolder();
//var x = GLTF.textures[i];
var image = context.gltf.images[i];
var src = context.storage.GetPath(image.uri);
if (UnityPath.FromFullpath(src).isUnderAssetsFolder)
{
// asset is exists.
}
else
{
string textureName;
var byteSegment = context.gltf.GetImageBytes(context.storage, i, out textureName, out var url);
// path
var dst = folder.Child(textureName + image.GetExt());
File.WriteAllBytes(dst.fullPath, byteSegment.ToArray());
dst.ImportAsset();
// make relative path from PrefabParentDir
image.uri = dst.value.Substring(prefabParentDir.value.Length + 1);
++created;
}
}
if (created > 0)
{
AssetDatabase.Refresh();
}
context.CreateTextureItems(prefabParentDir);
}
public void ImportAnimation(GLTFImporter importer)
{
//Debug.Log("import animations " + importer.gltf.animations?.Count);
// animation
if (importer.gltf.animations != null && importer.gltf.animations.Any())
{
var animation = importer.root.AddComponent <Animation>();
importer.animationClips = ImportAnimationClip(importer);
foreach (var clip in importer.animationClips)
{
animation.AddClip(clip, clip.name);
}
if (importer.animationClips.Count > 0)
{
animation.clip = importer.animationClips.First();
}
}
}
public static void ImportMenu()
{
var path = EditorUtility.OpenFilePanel("open gltf", "", "gltf,glb,zip");
if (string.IsNullOrEmpty(path))
{
return;
}
if (Application.isPlaying)
{
//
// load into scene
//
var context = new GLTFImporter();
//context.Load(path);
context.ShowMeshes();
Selection.activeGameObject = context.root;
}
else
{
//
// save as asset
//
if (path.StartsWithUnityAssetPath())
{
Debug.LogWarningFormat("disallow import from folder under the Assets");
return;
}
var assetPath = EditorUtility.SaveFilePanel("save prefab", "Assets", Path.GetFileNameWithoutExtension(path), "prefab");
if (string.IsNullOrEmpty(path))
{
return;
}
// import as asset
GLTFAssetPostprocessor.ImportAsset(path, Path.GetExtension(path).ToLower(), UnityPath.FromFullpath(assetPath));
}
}
public void UniGLTFSimpleSceneTest()
{
var go = CreateSimpelScene();
var context = new GLTFImporter();
try
{
// export
var gltf = new GLTFRoot();
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 MaterialImporter(IShaderStore shaderStore, GLTFImporter context)
{
m_shaderStore = shaderStore;
m_context = context;
}
public static async Task SaveAsAsset(GLTFImporter context, UnityPath prefabPath)
{
//var prefabPath = PrefabPath;
if (prefabPath.isFileExists)
{
// clear SubAssets
foreach (var x in prefabPath.GetSubAssets().Where(x => !(x is GameObject) && !(x is Component)))
{
GameObject.DestroyImmediate(x, true);
}
}
//
// save sub assets
//
var paths = new List <UnityPath>()
{
prefabPath
};
foreach (var o in context.ObjectsForSubAsset())
{
if (o == null)
{
continue;
}
var assetPath = GetAssetPath(prefabPath, o);
if (!assetPath.isNull)
{
if (assetPath.isFileExists)
{
if (!IsOverwrite(o))
{
// 上書きしない
Debug.LogWarningFormat("already exists. skip {0}", assetPath);
continue;
}
}
assetPath.parent.EnsureFolder();
assetPath.CreateAsset(o);
paths.Add(assetPath);
}
else
{
// save as subasset
prefabPath.AddObjectToAsset(o);
}
}
await Task.Yield();
// Create or upate Main Asset
// if (prefabPath.isFileExists)
// {
// Debug.LogFormat("replace prefab: {0}", prefabPath);
// //var prefab = prefabPath.LoadAsset<GameObject>();
// }
// else
// {
// Debug.LogFormat("create prefab: {0}", prefabPath);
// PrefabUtility.SaveAsPrefabAsset(context.root, prefabPath.value);//.CreatePrefab(prefabPath.Value, context.root);
// }
PrefabUtility.SaveAsPrefabAssetAndConnect(context.root, prefabPath.value, InteractionMode.AutomatedAction); //.ReplacePrefab(context.root, prefab, ReplacePrefabOptions.ReplaceNameBased);
await Task.Yield();
AssetDatabase.Refresh();
// foreach (var x in paths)
// {
// x.ImportAsset();
// }
await Task.Yield();
}
public TransformWithSkin BuildHierarchy(GLTFImporter context, int i)
{
var go = context.nodes[i].gameObject;
if (string.IsNullOrEmpty(go.name))
{
go.name = $"node{i:000}";
}
var nodeWithSkin = new TransformWithSkin
{
transform = go.transform,
};
//
// build hierachy
//
var node = context.gltf.nodes[i];
if (node.children != null)
{
foreach (var child in node.children)
{
// node has local transform
context.nodes[child].transform.SetParent(context.nodes[i].transform, false);
}
}
//
// attach mesh
//
//Debug.Log("node mesh ... "+node.name+" == "+node.mesh);
if (node.mesh != -1)
{
var mesh = context.meshes[node.mesh];
if (mesh.mesh.blendShapeCount == 0 && node.skin == -1)
{
// without blendshape and bone skinning
var filter = go.AddComponent <MeshFilter>();
filter.sharedMesh = mesh.mesh;
var renderer = go.AddComponent <MeshRenderer>();
renderer.sharedMaterials = mesh.materials;
// invisible in loading
renderer.enabled = false;
mesh.renderers.Add(renderer);
}
else
{
var renderer = go.AddComponent <SkinnedMeshRenderer>();
if (node.skin != -1)
{
nodeWithSkin.skinIndex = node.skin;
}
renderer.sharedMesh = mesh.mesh;
renderer.sharedMaterials = mesh.materials;
// invisible in loading
renderer.enabled = false;
mesh.renderers.Add(renderer);
}
}
return(nodeWithSkin);
}
public List <AnimationClip> ImportAnimationClip(GLTFImporter importer)
{
List <AnimationClip> animasionClips = new List <AnimationClip>();
for (int i = 0; i < importer.gltf.animations.Count; ++i)
{
var clip = new AnimationClip();
clip.ClearCurves();
clip.legacy = true;
clip.name = importer.gltf.animations[i].name;
if (string.IsNullOrEmpty(clip.name))
{
clip.name = "legacy_" + i;
}
clip.wrapMode = WrapMode.Loop;
var animation = importer.gltf.animations[i];
if (string.IsNullOrEmpty(animation.name))
{
animation.name = string.Format("animation:{0}", i);
}
foreach (var channel in animation.channels)
{
var targetTransform = importer.nodes[channel.target.node];
var relativePath = targetTransform.RelativePathFrom(importer.root.transform);
switch (channel.target.path)
{
case GLTFAnimationTarget.PATH_TRANSLATION:
{
var sampler = animation.samplers[channel.sampler];
var input = importer.gltf.GetArrayFromAccessor <float>(sampler.input);
var output = importer.gltf.GetArrayFromAccessorAsFloat(sampler.output);
SetAnimationCurve(
clip,
relativePath,
new string[] { "localPosition.x", "localPosition.y", "localPosition.z" },
input,
output,
sampler.interpolation,
typeof(Transform),
(values, last) =>
{
Vector3 temp = new Vector3(values[0], values[1], values[2]);
return(temp.ReverseZ().ToArray());
}
);
}
break;
case GLTFAnimationTarget.PATH_ROTATION:
{
var sampler = animation.samplers[channel.sampler];
var input = importer.gltf.GetArrayFromAccessor <float>(sampler.input);
var output = importer.gltf.GetArrayFromAccessorAsFloat(sampler.output);
SetAnimationCurve(
clip,
relativePath,
new string[] { "localRotation.x", "localRotation.y", "localRotation.z", "localRotation.w" },
input,
output,
sampler.interpolation,
typeof(Transform),
(values, last) =>
{
Quaternion currentQuaternion = new Quaternion(values[0], values[1], values[2], values[3]);
Quaternion lastQuaternion = new Quaternion(last[0], last[1], last[2], last[3]);
return(lastQuaternion.GetShortest(currentQuaternion.ReverseZ()).ToArray());
}
);
clip.EnsureQuaternionContinuity();
}
break;
case GLTFAnimationTarget.PATH_SCALE:
{
var sampler = animation.samplers[channel.sampler];
var input = importer.gltf.GetArrayFromAccessor <float>(sampler.input);
var output = importer.gltf.GetArrayFromAccessorAsFloat(sampler.output);
SetAnimationCurve(
clip,
relativePath,
new string[] { "localScale.x", "localScale.y", "localScale.z" },
input,
output,
sampler.interpolation,
typeof(Transform),
(values, last) => values);
}
break;
case GLTFAnimationTarget.PATH_WEIGHT:
{
var node = importer.gltf.nodes[channel.target.node];
var mesh = importer.gltf.meshes[node.mesh];
//var primitive = mesh.primitives.FirstOrDefault();
//var targets = primitive.targets;
List <string> blendShapeNames = new List <string>();
var transform = importer.nodes[channel.target.node];
var skinnedMeshRenderer = transform.GetComponent <SkinnedMeshRenderer>();
if (skinnedMeshRenderer == null)
{
continue;
}
for (int j = 0; j < skinnedMeshRenderer.sharedMesh.blendShapeCount; j++)
{
blendShapeNames.Add(skinnedMeshRenderer.sharedMesh.GetBlendShapeName(j));
}
var keyNames = blendShapeNames
.Where(x => !string.IsNullOrEmpty(x))
.Select(x => "blendShape." + x)
.ToArray();
var sampler = animation.samplers[channel.sampler];
var input = importer.gltf.GetArrayFromAccessor <float>(sampler.input);
var output = importer.gltf.GetArrayFromAccessor <float>(sampler.output);
SetAnimationCurve(
clip,
relativePath,
keyNames,
input,
output,
sampler.interpolation,
typeof(SkinnedMeshRenderer),
(values, last) =>
{
for (int j = 0; j < values.Length; j++)
{
values[j] *= 100.0f;
}
return(values);
});
}
break;
case GLTFAnimationTarget.PATH_ACTIVE:
{
var sampler = animation.samplers[channel.sampler];
var input = importer.gltf.GetArrayFromAccessor <float>(sampler.input);
var output = importer.gltf.GetArrayFromAccessorAsFloat(sampler.output);
SetAnimationCurve(
clip,
relativePath,
new string[] { "m_IsActive" },
input,
output,
sampler.interpolation,
typeof(GameObject),
(values, last) => values);
}
break;
default:
Debug.LogWarningFormat("unknown path: {0}", channel.target.path);
break;
}
}
animasionClips.Add(clip);
}
return(animasionClips);
}
private async Task <GameObject> Load(Action <float> progress)
{
await Task.Yield();
_unloaded = false;
var name = url.Substring(url.LastIndexOf("/") + 1);
//加载.gltf文件
await _storage.LoadString(name, p => progress?.Invoke(p * 0.1f));
if (_unloaded)
{
return(null);
}
_loader = new GLTFImporter(this, null, null, null, null);
//用JsonUtility解析到gltf数据
_loader.ParseJson(_storage.GetString(name));
//加载buffers里面的.bin数据
int total = _loader.gltf.buffers.Count;
int current = 0;
var stepPrecent = showWithTexture ? 0.4f : 0.8f;
foreach (var buffer in _loader.gltf.buffers)
{
Debug.Log(buffer.uri);
await _storage.LoadBinary(buffer.uri, p => progress?.Invoke(0.1f + stepPrecent * (current + p) / total));
if (_unloaded)
{
return(null);
}
//Debug.Log(buffer.uri + " loaded");
buffer.OpenStorage(_storage);
current++;
}
//跳过图片的加载
if (showWithTexture)
{
current = 0;
total = _loader.gltf.images.Count;
foreach (var image in _loader.gltf.images)
{
await _storage.LoadTexture(image.uri, p => progress?.Invoke(0.5f + 0.4f * (current + p) / total));
current++;
if (_unloaded)
{
return(null);
}
}
}
//解析mesh、material、animation等数据
await _loader.Load(_storage, p => progress?.Invoke(0.9f + p * 0.1f));
if (_unloaded)
{
return(null);
}
//loader.Parse(url,www.downloadHandler.data);
_loader.ShowMeshes();
_loader.root.SetActive(false);
_loader.root.transform.SetParent(transform);
_loader.root.SetActive(true);
return(_loader.root);
}
//ImporterContext m_context;
public ShaderStore(GLTFImporter _)
{
//m_context = context;
}