public static List <AnimationClip> ImportAnimationClip(ImporterContext ctx)
{
List <AnimationClip> animationClips = new List <AnimationClip>();
for (int i = 0; i < ctx.GLTF.animations.Count; ++i)
{
var clip = new AnimationClip();
clip.ClearCurves();
clip.legacy = true;
clip.name = ctx.GLTF.animations[i].name;
if (string.IsNullOrEmpty(clip.name))
{
clip.name = "legacy_" + i;
}
clip.wrapMode = WrapMode.Loop;
var animation = ctx.GLTF.animations[i];
if (string.IsNullOrEmpty(animation.name))
{
animation.name = string.Format("animation:{0}", i);
}
foreach (var channel in animation.channels)
{
var targetTransform = ctx.Nodes[channel.target.node];
var relativePath = targetTransform.RelativePathFrom(ctx.Root.transform);
switch (channel.target.path)
{
case glTFAnimationTarget.PATH_TRANSLATION:
{
var sampler = animation.samplers[channel.sampler];
var input = ctx.GLTF.GetArrayFromAccessor <float>(sampler.input);
var output = ctx.GLTF.GetArrayFromAccessorAsFloat(sampler.output);
AnimationImporter.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 = ctx.GLTF.GetArrayFromAccessor <float>(sampler.input);
var output = ctx.GLTF.GetArrayFromAccessorAsFloat(sampler.output);
AnimationImporter.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(AnimationImporter.GetShortest(lastQuaternion, currentQuaternion.ReverseZ()).ToArray());
}
);
clip.EnsureQuaternionContinuity();
}
break;
case glTFAnimationTarget.PATH_SCALE:
{
var sampler = animation.samplers[channel.sampler];
var input = ctx.GLTF.GetArrayFromAccessor <float>(sampler.input);
var output = ctx.GLTF.GetArrayFromAccessorAsFloat(sampler.output);
AnimationImporter.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 = ctx.GLTF.nodes[channel.target.node];
var mesh = ctx.GLTF.meshes[node.mesh];
//var primitive = mesh.primitives.FirstOrDefault();
//var targets = primitive.targets;
List <string> blendShapeNames = new List <string>();
var transform = ctx.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 = ctx.GLTF.GetArrayFromAccessor <float>(sampler.input);
var output = ctx.GLTF.GetArrayFromAccessor <float>(sampler.output);
AnimationImporter.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;
default:
Debug.LogWarningFormat("unknown path: {0}", channel.target.path);
break;
}
}
animationClips.Add(clip);
}
return(animationClips);
}
protected virtual Schedulable <Unit> LoadAsync()
{
return
(Schedulable.Create()
.AddTask(Scheduler.ThreadPool, () =>
{
if (m_textures.Count == 0)
{
//
// runtime
//
CreateTextureItems();
}
else
{
//
// already CreateTextures(by assetPostProcessor or editor menu)
//
}
})
.ContinueWithCoroutine(Scheduler.ThreadPool, () =>
{
using (MeasureTime("TexturesProcessOnAnyThread"))
{
return TexturesProcessOnAnyThread();
}
})
.ContinueWithCoroutine(Scheduler.MainThread, () =>
{
using (MeasureTime("TexturesProcessOnMainThread"))
{
return TexturesProcessOnMainThread();
}
})
.ContinueWithCoroutine(Scheduler.MainThread, () =>
{
using (MeasureTime("LoadMaterials"))
{
return LoadMaterials();
}
})
.OnExecute(Scheduler.ThreadPool, parent =>
{
if (GLTF.meshes
.SelectMany(x => x.primitives)
.Any(x => x.extensions.KHR_draco_mesh_compression != null))
{
throw new UniGLTFNotSupportedException("draco is not supported");
}
// meshes
var meshImporter = new MeshImporter();
for (int i = 0; i < GLTF.meshes.Count; ++i)
{
var index = i;
parent.AddTask(Scheduler.ThreadPool,
() =>
{
using (MeasureTime("ReadMesh"))
{
return meshImporter.ReadMesh(this, index);
}
})
.ContinueWith(Scheduler.MainThread, x =>
{
using (MeasureTime("BuildMesh"))
{
var meshWithMaterials = MeshImporter.BuildMesh(this, x);
var mesh = meshWithMaterials.Mesh;
// mesh name
if (string.IsNullOrEmpty(mesh.name))
{
mesh.name = string.Format("UniGLTF import#{0}", i);
}
var originalName = mesh.name;
for (int j = 1; Meshes.Any(y => y.Mesh.name == mesh.name); ++j)
{
mesh.name = string.Format("{0}({1})", originalName, j);
}
return meshWithMaterials;
}
})
.ContinueWith(Scheduler.ThreadPool, x => Meshes.Add(x))
;
}
})
.ContinueWithCoroutine(Scheduler.MainThread, () =>
{
using (MeasureTime("LoadNodes"))
{
return LoadNodes();
}
})
.ContinueWithCoroutine(Scheduler.MainThread, () =>
{
using (MeasureTime("BuildHierarchy"))
{
return BuildHierarchy();
}
})
.ContinueWith(Scheduler.MainThread, _ =>
{
AnimationImporter.ImportAnimation(this);
})
.ContinueWith(Scheduler.CurrentThread,
_ =>
{
OnLoadModel();
Debug.Log(GetSpeedLog());
return Unit.Default;
}));
}
protected virtual Schedulable <Unit> LoadAsync()
{
return
(Schedulable.Create()
.AddTask(Scheduler.ThreadPool, () =>
{
if (m_textures.Count == 0)
{
//
// runtime
//
CreateTextureItems();
}
else
{
//
// already CreateTextures(by assetPostProcessor or editor menu)
//
}
})
.ContinueWithCoroutine(Scheduler.ThreadPool, TexturesProcessOnAnyThread)
.ContinueWithCoroutine(Scheduler.MainThread, TexturesProcessOnMainThread)
.ContinueWithCoroutine(Scheduler.MainThread, LoadMaterials)
.OnExecute(Scheduler.ThreadPool, parent =>
{
// UniGLTF does not support draco
// https://github.com/KhronosGroup/glTF/blob/master/extensions/2.0/Khronos/KHR_draco_mesh_compression/README.md#conformance
if (GLTF.extensionsRequired.Contains("KHR_draco_mesh_compression"))
{
throw new UniGLTFNotSupportedException("draco is not supported");
}
// meshes
var meshImporter = new MeshImporter();
for (int i = 0; i < GLTF.meshes.Count; ++i)
{
var index = i;
parent.AddTask(Scheduler.ThreadPool,
() =>
{
using (MeasureTime("ReadMesh"))
{
return meshImporter.ReadMesh(this, index);
}
})
.ContinueWith(Scheduler.MainThread, x =>
{
using (MeasureTime("BuildMesh"))
{
var meshWithMaterials = MeshImporter.BuildMesh(this, x);
var mesh = meshWithMaterials.Mesh;
// mesh name
if (string.IsNullOrEmpty(mesh.name))
{
mesh.name = string.Format("UniGLTF import#{0}", i);
}
var originalName = mesh.name;
for (int j = 1; Meshes.Any(y => y.Mesh.name == mesh.name); ++j)
{
mesh.name = string.Format("{0}({1})", originalName, j);
}
return meshWithMaterials;
}
})
.ContinueWith(Scheduler.ThreadPool, x => Meshes.Add(x))
;
}
})
.ContinueWithCoroutine(Scheduler.MainThread, LoadNodes)
.ContinueWithCoroutine(Scheduler.MainThread, BuildHierarchy)
.ContinueWith(Scheduler.MainThread, _ =>
{
using (MeasureTime("AnimationImporter"))
{
AnimationImporter.ImportAnimation(this);
}
})
.ContinueWith(Scheduler.CurrentThread,
_ =>
{
OnLoadModel();
if (m_showSpeedLog)
{
Debug.Log(GetSpeedLog());
}
return Unit.Default;
}));
}
public static void ImportAnimation(ImporterContext ctx, AnimationClip clip)
{
for (int i = 0; i < ctx.GLTF.animations.Count; ++i)
{
var animation = ctx.GLTF.animations[i];
if (string.IsNullOrEmpty(animation.name))
{
animation.name = string.Format("animation:{0}", i);
}
foreach (var channel in animation.channels)
{
var targetTransform = ctx.Nodes[channel.target.node];
var relativePath = targetTransform.RelativePathFrom(ctx.Root.transform);
switch (channel.target.path)
{
case glTFAnimationTarget.PATH_TRANSLATION:
{
var sampler = animation.samplers[channel.sampler];
var input = ctx.GLTF.GetArrayFromAccessor <float>(sampler.input);
var output = ctx.GLTF.GetArrayFromAccessorAsFloat(sampler.output);
AnimationImporter.SetAnimationCurve(
clip,
relativePath,
new string[] { "localPosition.x", "localPosition.y", "localPosition.z" },
input,
output,
sampler.interpolation,
(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 = ctx.GLTF.GetArrayFromAccessor <float>(sampler.input);
var output = ctx.GLTF.GetArrayFromAccessorAsFloat(sampler.output);
AnimationImporter.SetAnimationCurve(
clip,
relativePath,
new string[] { "localRotation.x", "localRotation.y", "localRotation.z", "localRotation.w" },
input,
output,
sampler.interpolation,
(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(AnimationImporter.GetShortest(lastQuaternion, currentQuaternion.ReverseZ()).ToArray());
}
);
clip.EnsureQuaternionContinuity();
}
break;
case glTFAnimationTarget.PATH_SCALE:
{
var sampler = animation.samplers[channel.sampler];
var input = ctx.GLTF.GetArrayFromAccessor <float>(sampler.input);
var output = ctx.GLTF.GetArrayFromAccessorAsFloat(sampler.output);
AnimationImporter.SetAnimationCurve(
clip,
relativePath,
new string[] { "localScale.x", "localScale.y", "localScale.z" },
input,
output,
sampler.interpolation,
(values, last) => values);
}
break;
case glTFAnimationTarget.PATH_WEIGHT:
{
var node = ctx.GLTF.nodes[channel.target.node];
var mesh = ctx.GLTF.meshes[node.mesh];
for (int k = 0; k < mesh.weights.Length; ++k)
{
//var weight = mesh.weights[k];
var curve = new AnimationCurve();
var sampler = animation.samplers[channel.sampler];
var input = ctx.GLTF.GetArrayFromAccessor <float>(sampler.input);
var output = ctx.GLTF.GetArrayFromAccessor <float>(sampler.output);
for (int j = 0, l = k; j < input.Length; ++j, l += mesh.weights.Length)
{
curve.AddKey(input[j], output[l] * 100);
}
clip.SetCurve(relativePath, typeof(SkinnedMeshRenderer), "blendShape." + k, curve);
}
}
break;
default:
Debug.LogWarningFormat("unknown path: {0}", channel.target.path);
break;
}
}
}
}
