/// <summary>
/// AnimationClip を収集する。
/// </summary>
static List <AnimationClip> GetAnimationClips(GameObject Copy)
{
var clips = new List <AnimationClip>();
var animator = Copy.GetComponent <Animator>();
var animation = Copy.GetComponent <Animation>();
if (animator != null)
{
clips = AnimationExporter.GetAnimationClips(animator);
}
else if (animation != null)
{
clips = AnimationExporter.GetAnimationClips(animation);
}
return(clips);
}
public void Export(ExportingGltfData _data, GameObject Copy, List <Transform> Nodes)
{
var clips = GetAnimationClips(Copy);
foreach (AnimationClip clip in clips)
{
var animationWithCurve = AnimationExporter.Export(clip, Copy.transform, Nodes);
foreach (var kv in animationWithCurve.SamplerMap)
{
var sampler = animationWithCurve.Animation.samplers[kv.Key];
var inputAccessorIndex = _data.ExtendBufferAndGetAccessorIndex(kv.Value.Input);
sampler.input = inputAccessorIndex;
var outputAccessorIndex = _data.ExtendBufferAndGetAccessorIndex(kv.Value.Output);
sampler.output = outputAccessorIndex;
// modify accessors
var outputAccessor = _data.Gltf.accessors[outputAccessorIndex];
var channel = animationWithCurve.Animation.channels.First(x => x.sampler == kv.Key);
switch (glTFAnimationTarget.GetElementCount(channel.target.path))
{
case 1:
outputAccessor.type = "SCALAR";
//outputAccessor.count = ;
break;
case 3:
outputAccessor.type = "VEC3";
outputAccessor.count /= 3;
break;
case 4:
outputAccessor.type = "VEC4";
outputAccessor.count /= 4;
break;
default:
throw new NotImplementedException();
}
}
animationWithCurve.Animation.name = clip.name;
_data.Gltf.animations.Add(animationWithCurve.Animation);
}
}
public static IEnumerable <Validation> Validate(GameObject root)
{
if (root == null)
{
yield break;
}
var animationClips = new List <AnimationClip>();
var animator = root.GetComponent <Animator>();
var animation = root.GetComponent <UnityEngine.Animation>();
if (animator != null)
{
animationClips = AnimationExporter.GetAnimationClips(animator);
}
else if (animation != null)
{
animationClips = AnimationExporter.GetAnimationClips(animation);
}
if (!animationClips.Any())
{
yield break;
}
foreach (var animationClip in animationClips)
{
foreach (var editorCurveBinding in AnimationUtility.GetCurveBindings(animationClip))
{
// is root included in animation?
if (string.IsNullOrEmpty(editorCurveBinding.path))
{
yield return(Validation.Error(ExporterValidatorMessages.ROOT_ANIMATED.Msg()));
yield break;
}
}
}
}
public virtual void Export(ITextureSerializer textureSerializer)
{
Nodes = Copy.transform.Traverse()
.Skip(1) // exclude root object for the symmetry with the importer
.ToList();
var uniqueUnityMeshes = new MeshExportList();
uniqueUnityMeshes.GetInfo(Nodes, m_settings);
#region Materials and Textures
ReportProgress("Materials and Textures", 0.2f);
Materials = uniqueUnityMeshes.GetUniqueMaterials().ToList();
_textureExporter = new TextureExporter(textureSerializer);
var materialExporter = CreateMaterialExporter();
_gltf.materials = Materials.Select(x => materialExporter.ExportMaterial(x, TextureExporter, m_settings)).ToList();
#endregion
#region Meshes
ReportProgress("Meshes", 0.4f);
MeshBlendShapeIndexMap = new Dictionary <Mesh, Dictionary <int, int> >();
foreach (var unityMesh in uniqueUnityMeshes)
{
if (!unityMesh.CanExport)
{
continue;
}
var(gltfMesh, blendShapeIndexMap) = m_settings.DivideVertexBuffer
? MeshExporter_DividedVertexBuffer.Export(_data, unityMesh, Materials, m_settings.InverseAxis.Create(), m_settings)
: MeshExporter_SharedVertexBuffer.Export(_data, unityMesh, Materials, m_settings.InverseAxis.Create(), m_settings)
;
_gltf.meshes.Add(gltfMesh);
Meshes.Add(unityMesh.Mesh);
if (!MeshBlendShapeIndexMap.ContainsKey(unityMesh.Mesh))
{
// 重複防止
MeshBlendShapeIndexMap.Add(unityMesh.Mesh, blendShapeIndexMap);
}
}
#endregion
#region Nodes and Skins
ReportProgress("Nodes and Skins", 0.8f);
var skins = uniqueUnityMeshes
.SelectMany(x => x.Renderers)
.Where(x => x.Item1 is SkinnedMeshRenderer && x.UniqueBones != null)
.Select(x => x.Item1 as SkinnedMeshRenderer)
.ToList()
;
foreach (var node in Nodes)
{
var gltfNode = ExportNode(node, Nodes, uniqueUnityMeshes, skins);
_gltf.nodes.Add(gltfNode);
}
_gltf.scenes = new List <gltfScene>
{
new gltfScene
{
nodes = Copy.transform.GetChildren().Select(x => Nodes.IndexOf(x)).ToArray(),
}
};
foreach (var x in uniqueUnityMeshes)
{
foreach (var(renderer, uniqueBones) in x.Renderers)
{
if (uniqueBones != null && renderer is SkinnedMeshRenderer smr)
{
var matrices = x.GetBindPoses().Select(m_settings.InverseAxis.Create().InvertMat4).ToArray();
var accessor = _data.ExtendBufferAndGetAccessorIndex(matrices, glBufferTarget.NONE);
var skin = new glTFSkin
{
inverseBindMatrices = accessor,
joints = uniqueBones.Select(y => Nodes.IndexOf(y)).ToArray(),
skeleton = Nodes.IndexOf(smr.rootBone),
};
var skinIndex = _gltf.skins.Count;
_gltf.skins.Add(skin);
foreach (var z in Nodes.Where(y => y.Has(renderer)))
{
var nodeIndex = Nodes.IndexOf(z);
var node = _gltf.nodes[nodeIndex];
node.skin = skinIndex;
}
}
}
}
#endregion
#if UNITY_EDITOR
#region Animations
ReportProgress("Animations", 0.9f);
var clips = new List <AnimationClip>();
var animator = Copy.GetComponent <Animator>();
var animation = Copy.GetComponent <Animation>();
if (animator != null)
{
clips = AnimationExporter.GetAnimationClips(animator);
}
else if (animation != null)
{
clips = AnimationExporter.GetAnimationClips(animation);
}
if (clips.Any())
{
foreach (AnimationClip clip in clips)
{
var animationWithCurve = AnimationExporter.Export(clip, Copy.transform, Nodes);
foreach (var kv in animationWithCurve.SamplerMap)
{
var sampler = animationWithCurve.Animation.samplers[kv.Key];
var inputAccessorIndex = _data.ExtendBufferAndGetAccessorIndex(kv.Value.Input);
sampler.input = inputAccessorIndex;
var outputAccessorIndex = _data.ExtendBufferAndGetAccessorIndex(kv.Value.Output);
sampler.output = outputAccessorIndex;
// modify accessors
var outputAccessor = _gltf.accessors[outputAccessorIndex];
var channel = animationWithCurve.Animation.channels.First(x => x.sampler == kv.Key);
switch (glTFAnimationTarget.GetElementCount(channel.target.path))
{
case 1:
outputAccessor.type = "SCALAR";
//outputAccessor.count = ;
break;
case 3:
outputAccessor.type = "VEC3";
outputAccessor.count /= 3;
break;
case 4:
outputAccessor.type = "VEC4";
outputAccessor.count /= 4;
break;
default:
throw new NotImplementedException();
}
}
animationWithCurve.Animation.name = clip.name;
_gltf.animations.Add(animationWithCurve.Animation);
}
}
#endregion
#endif
ExportExtensions(textureSerializer);
// Extension で Texture が増える場合があるので最後に呼ぶ
var exported = _textureExporter.Export();
for (var exportedTextureIdx = 0; exportedTextureIdx < exported.Count; ++exportedTextureIdx)
{
var(unityTexture, colorSpace) = exported[exportedTextureIdx];
GltfTextureExporter.PushGltfTexture(_data, unityTexture, colorSpace, textureSerializer);
}
FixName(_gltf);
}
public void FromGameObject(glTF gltf, GameObject go, bool useSparseAccessorForMorphTarget = false)
{
var bytesBuffer = new ArrayByteBuffer(new byte[50 * 1024 * 1024]);
var bufferIndex = gltf.AddBuffer(bytesBuffer);
GameObject tmpParent = null;
if (go.transform.childCount == 0)
{
tmpParent = new GameObject("tmpParent");
go.transform.SetParent(tmpParent.transform, true);
go = tmpParent;
}
try
{
Nodes = go.transform.Traverse()
.Skip(1) // exclude root object for the symmetry with the importer
.ToList();
#region Materials and Textures
Materials = Nodes.SelectMany(x => x.GetSharedMaterials()).Where(x => x != null).Distinct().ToList();
var unityTextures = Materials.SelectMany(x => TextureIO.GetTextures(x)).Where(x => x.Texture != null).Distinct().ToList();
List <Texture> exportTextures = null;
Textures = unityTextures.Select(y => y.Texture).ToList();
var materialExporter = CreateMaterialExporter();
gltf.materials = Materials.Select(x => materialExporter.ExportMaterial(x, Textures, out exportTextures)).ToList();
for (int i = 0; i < unityTextures.Count; ++i)
{
var unityTexture = unityTextures[i];
TextureIO.ExportTexture(gltf, bufferIndex, exportTextures[i], unityTexture.TextureType);
}
#endregion
#region Meshes
var unityMeshes = Nodes
.Select(x => new MeshWithRenderer
{
Mesh = x.GetSharedMesh(),
Rendererer = x.GetComponent <Renderer>(),
})
.Where(x =>
{
if (x.Mesh == null)
{
return(false);
}
if (x.Rendererer.sharedMaterials == null ||
x.Rendererer.sharedMaterials.Length == 0)
{
return(false);
}
return(true);
})
.ToList();
ExportMeshes(gltf, bufferIndex, unityMeshes, Materials, useSparseAccessorForMorphTarget);
Meshes = unityMeshes.Select(x => x.Mesh).ToList();
#endregion
#region Skins
var unitySkins = Nodes
.Select(x => x.GetComponent <SkinnedMeshRenderer>()).Where(x =>
x != null &&
x.bones != null &&
x.bones.Length > 0)
.ToList();
gltf.nodes = Nodes.Select(x => ExportNode(x, Nodes, unityMeshes.Select(y => y.Mesh).ToList(), unitySkins)).ToList();
gltf.scenes = new List <gltfScene>
{
new gltfScene
{
nodes = go.transform.GetChildren().Select(x => Nodes.IndexOf(x)).ToArray(),
}
};
foreach (var x in unitySkins)
{
var matrices = x.sharedMesh.bindposes.Select(y => y.ReverseZ()).ToArray();
var accessor = gltf.ExtendBufferAndGetAccessorIndex(bufferIndex, matrices, glBufferTarget.NONE);
var skin = new glTFSkin
{
inverseBindMatrices = accessor,
joints = x.bones.Select(y => Nodes.IndexOf(y)).ToArray(),
skeleton = Nodes.IndexOf(x.rootBone),
};
var skinIndex = gltf.skins.Count;
gltf.skins.Add(skin);
foreach (var z in Nodes.Where(y => y.Has(x)))
{
var nodeIndex = Nodes.IndexOf(z);
var node = gltf.nodes[nodeIndex];
node.skin = skinIndex;
}
}
#endregion
#if UNITY_EDITOR
#region Animations
var clips = new List <AnimationClip>();
var animator = go.GetComponent <Animator>();
var animation = go.GetComponent <Animation>();
if (animator != null)
{
clips = AnimationExporter.GetAnimationClips(animator);
}
else if (animation != null)
{
clips = AnimationExporter.GetAnimationClips(animation);
}
if (clips.Any())
{
foreach (AnimationClip clip in clips)
{
var animationWithCurve = AnimationExporter.Export(clip, go.transform, Nodes);
foreach (var kv in animationWithCurve.SamplerMap)
{
var sampler = animationWithCurve.Animation.samplers[kv.Key];
var inputAccessorIndex = gltf.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Input);
sampler.input = inputAccessorIndex;
var outputAccessorIndex = gltf.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Output);
sampler.output = outputAccessorIndex;
// modify accessors
var outputAccessor = gltf.accessors[outputAccessorIndex];
var channel = animationWithCurve.Animation.channels.First(x => x.sampler == kv.Key);
switch (glTFAnimationTarget.GetElementCount(channel.target.path))
{
case 1:
outputAccessor.type = "SCALAR";
outputAccessor.count = 1;
break;
case 3:
outputAccessor.type = "VEC3";
outputAccessor.count /= 3;
break;
case 4:
outputAccessor.type = "VEC4";
outputAccessor.count /= 4;
break;
default:
throw new NotImplementedException();
}
}
gltf.animations.Add(animationWithCurve.Animation);
}
}
#endregion
#endif
}
finally
{
if (tmpParent != null)
{
tmpParent.transform.GetChild(0).SetParent(null);
if (Application.isPlaying)
{
GameObject.Destroy(tmpParent);
}
else
{
GameObject.DestroyImmediate(tmpParent);
}
}
}
}
public virtual void Export(MeshExportSettings meshExportSettings, ITextureSerializer textureSerializer)
{
var bytesBuffer = new ArrayByteBuffer(new byte[50 * 1024 * 1024]);
var bufferIndex = glTF.AddBuffer(bytesBuffer);
Nodes = Copy.transform.Traverse()
.Skip(1) // exclude root object for the symmetry with the importer
.ToList();
var unityMeshes = MeshWithRenderer.FromNodes(Nodes).Where(x => x.Mesh.vertices.Any()).ToList();
var uniqueUnityMeshes = new List <MeshWithRenderer>();
foreach (var um in unityMeshes)
{
if (!uniqueUnityMeshes.Any(x => x.IsSameMeshAndMaterials(um)))
{
uniqueUnityMeshes.Add(um);
}
}
#region Materials and Textures
Materials = uniqueUnityMeshes.SelectMany(x => x.Renderer.sharedMaterials).Where(x => x != null).Distinct().ToList();
TextureExporter = new TextureExporter(textureSerializer);
var materialExporter = CreateMaterialExporter();
glTF.materials = Materials.Select(x => materialExporter.ExportMaterial(x, TextureExporter)).ToList();
#endregion
#region Meshes
MeshBlendShapeIndexMap = new Dictionary <Mesh, Dictionary <int, int> >();
foreach (var unityMesh in uniqueUnityMeshes)
{
var(gltfMesh, blendShapeIndexMap) = MeshExporter.ExportMesh(glTF, bufferIndex, unityMesh, Materials, meshExportSettings, m_axisInverter);
glTF.meshes.Add(gltfMesh);
Meshes.Add(unityMesh.Mesh);
if (!MeshBlendShapeIndexMap.ContainsKey(unityMesh.Mesh))
{
// 同じmeshが複数回現れた
MeshBlendShapeIndexMap.Add(unityMesh.Mesh, blendShapeIndexMap);
}
}
#endregion
#region Nodes and Skins
var unitySkins = uniqueUnityMeshes
.Where(x => x.UniqueBones != null)
.ToList();
glTF.nodes = Nodes.Select(x => ExportNode(x, Nodes, uniqueUnityMeshes, unitySkins.Select(y => y.Renderer as SkinnedMeshRenderer).ToList())).ToList();
glTF.scenes = new List <gltfScene>
{
new gltfScene
{
nodes = Copy.transform.GetChildren().Select(x => Nodes.IndexOf(x)).ToArray(),
}
};
foreach (var x in unitySkins)
{
var matrices = x.GetBindPoses().Select(m_axisInverter.InvertMat4).ToArray();
var accessor = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, matrices, glBufferTarget.NONE);
var renderer = x.Renderer as SkinnedMeshRenderer;
var skin = new glTFSkin
{
inverseBindMatrices = accessor,
joints = x.UniqueBones.Select(y => Nodes.IndexOf(y)).ToArray(),
skeleton = Nodes.IndexOf(renderer.rootBone),
};
var skinIndex = glTF.skins.Count;
glTF.skins.Add(skin);
foreach (var z in Nodes.Where(y => y.Has(x.Renderer)))
{
var nodeIndex = Nodes.IndexOf(z);
var node = glTF.nodes[nodeIndex];
node.skin = skinIndex;
}
}
#endregion
#if UNITY_EDITOR
#region Animations
var clips = new List <AnimationClip>();
var animator = Copy.GetComponent <Animator>();
var animation = Copy.GetComponent <Animation>();
if (animator != null)
{
clips = AnimationExporter.GetAnimationClips(animator);
}
else if (animation != null)
{
clips = AnimationExporter.GetAnimationClips(animation);
}
if (clips.Any())
{
foreach (AnimationClip clip in clips)
{
var animationWithCurve = AnimationExporter.Export(clip, Copy.transform, Nodes);
foreach (var kv in animationWithCurve.SamplerMap)
{
var sampler = animationWithCurve.Animation.samplers[kv.Key];
var inputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Input);
sampler.input = inputAccessorIndex;
var outputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Output);
sampler.output = outputAccessorIndex;
// modify accessors
var outputAccessor = glTF.accessors[outputAccessorIndex];
var channel = animationWithCurve.Animation.channels.First(x => x.sampler == kv.Key);
switch (glTFAnimationTarget.GetElementCount(channel.target.path))
{
case 1:
outputAccessor.type = "SCALAR";
//outputAccessor.count = ;
break;
case 3:
outputAccessor.type = "VEC3";
outputAccessor.count /= 3;
break;
case 4:
outputAccessor.type = "VEC4";
outputAccessor.count /= 4;
break;
default:
throw new NotImplementedException();
}
}
animationWithCurve.Animation.name = clip.name;
glTF.animations.Add(animationWithCurve.Animation);
}
}
#endregion
#endif
ExportExtensions(textureSerializer);
// Extension で Texture が増える場合があるので最後に呼ぶ
for (int i = 0; i < TextureExporter.Exported.Count; ++i)
{
var(unityTexture, colorSpace) = TextureExporter.Exported[i];
glTF.PushGltfTexture(bufferIndex, unityTexture, colorSpace, textureSerializer);
}
}
public static AnimationWithSampleCurves Export(AnimationClip clip, Transform root, List <Transform> nodes)
{
var animation = new AnimationWithSampleCurves
{
Animation = new glTFAnimation(),
};
List <AnimationCurveData> curveDatas = new List <AnimationCurveData>();
foreach (var binding in AnimationUtility.GetCurveBindings(clip))
{
var curve = AnimationUtility.GetEditorCurve(clip, binding);
var property = AnimationExporter.PropertyToTarget(binding.propertyName);
if (property == glTFAnimationTarget.AnimationPropertys.NotImplemented || property == glTFAnimationTarget.AnimationPropertys.BlendShape)
{
Debug.LogWarning("Not Implemented keyframe property : " + binding.propertyName);
continue;
}
if (property == glTFAnimationTarget.AnimationPropertys.EulerRotation)
{
Debug.LogWarning("Interpolation setting of AnimationClip should be Quaternion");
continue;
}
var nodeIndex = GetNodeIndex(root, nodes, binding.path);
var samplerIndex = animation.Animation.AddChannelAndGetSampler(nodeIndex, property);
// 同一のsamplerIndexが割り当てられているcurveDataがある場合はそれを使用し、無ければ作る
var curveData = curveDatas.FirstOrDefault(x => x.SamplerIndex == samplerIndex);
if (curveData == null)
{
curveData = new AnimationCurveData(AnimationUtility.GetKeyRightTangentMode(curve, 0), property, samplerIndex);
curveDatas.Add(curveData);
}
// 全てのキーフレームを回収
var elementOffset = AnimationExporter.GetElementOffset(binding.propertyName);
for (int i = 0; i < curve.keys.Length; i++)
{
curveData.SetKeyframeData(curve.keys[i].time, curve.keys[i].value, elementOffset);
}
}
//キー挿入
foreach (var curve in curveDatas)
{
if (curve.Keyframes.Count == 0)
{
continue;
}
curve.RecountEmptyKeyframe();
var elementNum = curve.Keyframes.First().MValues.Length;
var values = default(InputOutputValues);
if (!animation.SamplerMap.TryGetValue(curve.SamplerIndex, out values))
{
values = new InputOutputValues();
values.Input = new float[curve.Keyframes.Count];
values.Output = new float[curve.Keyframes.Count * elementNum];
animation.SamplerMap[curve.SamplerIndex] = values;
animation.Animation.samplers[curve.SamplerIndex].interpolation = curve.GetInterpolation();
}
int keyframeIndex = 0;
foreach (var keyframe in curve.Keyframes)
{
values.Input[keyframeIndex] = keyframe.Time;
Buffer.BlockCopy(keyframe.GetRightHandCoordinate(), 0, values.Output, keyframeIndex * elementNum * sizeof(float), elementNum * sizeof(float));
keyframeIndex++;
}
}
return(animation);
}
public virtual void Export(MeshExportSettings meshExportSettings)
{
var bytesBuffer = new ArrayByteBuffer(new byte[50 * 1024 * 1024]);
var bufferIndex = glTF.AddBuffer(bytesBuffer);
GameObject tmpParent = null;
if (Copy.transform.childCount == 0)
{
tmpParent = new GameObject("tmpParent");
Copy.transform.SetParent(tmpParent.transform, true);
Copy = tmpParent;
}
try
{
Nodes = Copy.transform.Traverse()
.Skip(1) // exclude root object for the symmetry with the importer
.ToList();
#region Materials and Textures
Materials = Nodes.SelectMany(x => x.GetSharedMaterials()).Where(x => x != null).Distinct().ToList();
var unityTextures = Materials.SelectMany(x => TextureIO.GetTextures(x)).Where(x => x.Texture != null).Distinct().ToList();
TextureManager = new TextureExportManager(unityTextures.Select(x => x.Texture));
var materialExporter = CreateMaterialExporter();
glTF.materials = Materials.Select(x => materialExporter.ExportMaterial(x, TextureManager)).ToList();
for (int i = 0; i < unityTextures.Count; ++i)
{
var unityTexture = unityTextures[i];
TextureIO.ExportTexture(glTF, bufferIndex, TextureManager.GetExportTexture(i), unityTexture.TextureType);
}
#endregion
#region Meshes
var unityMeshes = MeshWithRenderer.FromNodes(Nodes).ToList();
MeshBlendShapeIndexMap = new Dictionary <Mesh, Dictionary <int, int> >();
foreach (var(mesh, gltfMesh, blendShapeIndexMap) in MeshExporter.ExportMeshes(
glTF, bufferIndex, unityMeshes, Materials, meshExportSettings))
{
glTF.meshes.Add(gltfMesh);
if (!MeshBlendShapeIndexMap.ContainsKey(mesh))
{
// 同じmeshが複数回現れた
MeshBlendShapeIndexMap.Add(mesh, blendShapeIndexMap);
}
}
Meshes = unityMeshes.Select(x => x.Mesh).ToList();
#endregion
#region Nodes and Skins
var unitySkins = unityMeshes
.Where(x => x.UniqueBones != null)
.ToList();
glTF.nodes = Nodes.Select(x => ExportNode(x, Nodes, unityMeshes.Select(y => y.Renderer).ToList(), unitySkins.Select(y => y.Renderer as SkinnedMeshRenderer).ToList())).ToList();
glTF.scenes = new List <gltfScene>
{
new gltfScene
{
nodes = Copy.transform.GetChildren().Select(x => Nodes.IndexOf(x)).ToArray(),
}
};
foreach (var x in unitySkins)
{
var matrices = x.GetBindPoses().Select(y => y.ReverseZ()).ToArray();
var accessor = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, matrices, glBufferTarget.NONE);
var renderer = x.Renderer as SkinnedMeshRenderer;
var skin = new glTFSkin
{
inverseBindMatrices = accessor,
joints = x.UniqueBones.Select(y => Nodes.IndexOf(y)).ToArray(),
skeleton = Nodes.IndexOf(renderer.rootBone),
};
var skinIndex = glTF.skins.Count;
glTF.skins.Add(skin);
foreach (var z in Nodes.Where(y => y.Has(x.Renderer)))
{
var nodeIndex = Nodes.IndexOf(z);
var node = glTF.nodes[nodeIndex];
node.skin = skinIndex;
}
}
#endregion
#if UNITY_EDITOR
#region Animations
var clips = new List <AnimationClip>();
var animator = Copy.GetComponent <Animator>();
var animation = Copy.GetComponent <Animation>();
if (animator != null)
{
clips = AnimationExporter.GetAnimationClips(animator);
}
else if (animation != null)
{
clips = AnimationExporter.GetAnimationClips(animation);
}
if (clips.Any())
{
foreach (AnimationClip clip in clips)
{
var animationWithCurve = AnimationExporter.Export(clip, Copy.transform, Nodes);
foreach (var kv in animationWithCurve.SamplerMap)
{
var sampler = animationWithCurve.Animation.samplers[kv.Key];
var inputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Input);
sampler.input = inputAccessorIndex;
var outputAccessorIndex = glTF.ExtendBufferAndGetAccessorIndex(bufferIndex, kv.Value.Output);
sampler.output = outputAccessorIndex;
// modify accessors
var outputAccessor = glTF.accessors[outputAccessorIndex];
var channel = animationWithCurve.Animation.channels.First(x => x.sampler == kv.Key);
switch (glTFAnimationTarget.GetElementCount(channel.target.path))
{
case 1:
outputAccessor.type = "SCALAR";
//outputAccessor.count = ;
break;
case 3:
outputAccessor.type = "VEC3";
outputAccessor.count /= 3;
break;
case 4:
outputAccessor.type = "VEC4";
outputAccessor.count /= 4;
break;
default:
throw new NotImplementedException();
}
}
animationWithCurve.Animation.name = clip.name;
glTF.animations.Add(animationWithCurve.Animation);
}
}
#endregion
#endif
}
finally
{
if (tmpParent != null)
{
tmpParent.transform.GetChild(0).SetParent(null);
if (Application.isPlaying)
{
GameObject.Destroy(tmpParent);
}
else
{
GameObject.DestroyImmediate(tmpParent);
}
}
}
}
public static AnimationWithSampleCurves Export(AnimationClip clip, Transform root, List <Transform> nodes)
{
var animation = new AnimationWithSampleCurves
{
Animation = new glTFAnimation(),
};
List <AnimationCurveData> curveDatum = new List <AnimationCurveData>();
foreach (var binding in AnimationUtility.GetCurveBindings(clip))
{
var curve = AnimationUtility.GetEditorCurve(clip, binding);
if (!curve.keys.Any())
{
throw new Exception("There is no keyframe in AnimationCurve : " + clip.name);
}
var property = AnimationExporter.PropertyToTarget(binding.propertyName);
if (property == glTFAnimationTarget.AnimationProperties.NotImplemented)
{
Debug.LogWarning("Not Implemented keyframe property : " + binding.propertyName);
continue;
}
if (property == glTFAnimationTarget.AnimationProperties.EulerRotation)
{
Debug.LogWarning("Interpolation setting of AnimationClip should be Quaternion");
continue;
}
var nodeIndex = GetNodeIndex(root, nodes, binding.path);
var samplerIndex = animation.Animation.AddChannelAndGetSampler(nodeIndex, property);
var elementCount = 0;
if (property == glTFAnimationTarget.AnimationProperties.BlendShape)
{
var mesh = nodes[nodeIndex].GetComponent <SkinnedMeshRenderer>().sharedMesh;
elementCount = mesh.blendShapeCount;
}
else
{
elementCount = glTFAnimationTarget.GetElementCount(property);
}
// 同一のsamplerIndexが割り当てられているcurveDataがある場合はそれを使用し、無ければ作る
var curveData = curveDatum.FirstOrDefault(x => x.SamplerIndex == samplerIndex);
if (curveData == null)
{
curveData = new AnimationCurveData(AnimationUtility.GetKeyRightTangentMode(curve, 0), property, samplerIndex, elementCount);
curveDatum.Add(curveData);
}
// 全てのキーフレームを回収
int elementOffset = 0;
float valueFactor = 1.0f;
if (property == glTFAnimationTarget.AnimationProperties.BlendShape)
{
var mesh = nodes[nodeIndex].GetComponent <SkinnedMeshRenderer>().sharedMesh;
var blendShapeName = binding.propertyName.Replace("blendShape.", "");
elementOffset = mesh.GetBlendShapeIndex(blendShapeName);
valueFactor = 0.01f;
}
else
{
elementOffset = AnimationExporter.GetElementOffset(binding.propertyName);
}
if (elementOffset >= 0 && elementOffset < elementCount)
{
for (int i = 0; i < curve.keys.Length; i++)
{
curveData.SetKeyframeData(curve.keys[i].time, curve.keys[i].value * valueFactor, elementOffset);
}
}
}
//キー挿入
foreach (var curve in curveDatum)
{
if (curve.Keyframes.Count == 0)
{
continue;
}
curve.RecountEmptyKeyframe();
var elementNum = curve.Keyframes.First().Values.Length;
var values = default(InputOutputValues);
if (!animation.SamplerMap.TryGetValue(curve.SamplerIndex, out values))
{
values = new InputOutputValues();
values.Input = new float[curve.Keyframes.Count];
values.Output = new float[curve.Keyframes.Count * elementNum];
animation.SamplerMap[curve.SamplerIndex] = values;
animation.Animation.samplers[curve.SamplerIndex].interpolation = curve.GetInterpolation();
}
int keyframeIndex = 0;
foreach (var keyframe in curve.Keyframes)
{
values.Input[keyframeIndex] = keyframe.Time;
Buffer.BlockCopy(keyframe.GetRightHandCoordinate(), 0, values.Output, keyframeIndex * elementNum * sizeof(float), elementNum * sizeof(float));
keyframeIndex++;
}
}
return(animation);
}
