private void DeoptimizeTransformHierarchy()
{
if (avatar == null)
{
throw new Exception("Transform hierarchy has been optimized, but can't find Avatar to deoptimize.");
}
// 1. Figure out the skeletonPaths from the unstripped avatar
var skeletonPaths = new List <string>();
foreach (var id in avatar.m_Avatar.m_AvatarSkeleton.m_ID)
{
var path = avatar.FindBonePath(id);
skeletonPaths.Add(path);
}
// 2. Restore the original transform hierarchy
// Prerequisite: skeletonPaths follow pre-order traversal
for (var i = 1; i < skeletonPaths.Count; i++) // start from 1, skip the root transform because it will always be there.
{
var path = skeletonPaths[i];
var strs = path.Split('/');
string transformName;
ImportedFrame parentFrame;
if (strs.Length == 1)
{
transformName = path;
parentFrame = RootFrame;
}
else
{
transformName = strs.Last();
var parentFrameName = strs[strs.Length - 2];
parentFrame = RootFrame.FindChild(parentFrameName);
//var parentFramePath = path.Substring(0, path.LastIndexOf('/'));
//parentFrame = RootFrame.FindFrameByPath(parentFramePath);
}
var skeletonPose = avatar.m_Avatar.m_DefaultPose;
var xform = skeletonPose.m_X[i];
var frame = RootFrame.FindChild(transformName);
if (frame != null)
{
SetFrame(frame, xform.t, xform.q, xform.s);
parentFrame.AddChild(frame);
}
else
{
frame = CreateFrame(transformName, xform.t, xform.q, xform.s);
parentFrame.AddChild(frame);
}
}
}
void SetupBoneMatrices(CustomMeshContainer meshContainer)
{
if (meshContainer.SkinInfo == null)
{
return;
}
meshContainer.BoneMatricesLookup = new CustomFrame[meshContainer.SkinInfo.BoneCount];
for (int i = 0; i < meshContainer.SkinInfo.BoneCount; i++)
{
CustomFrame frame = (CustomFrame)RootFrame.FindChild(meshContainer.SkinInfo.GetBoneName(i));
meshContainer.BoneMatricesLookup[i] = frame;
}
}
private void ConvertMeshRenderer(Renderer meshR)
{
var mesh = GetMesh(meshR);
if (mesh == null)
{
return;
}
var iMesh = new ImportedMesh();
meshR.m_GameObject.TryGet(out var m_GameObject2);
iMesh.Path = GetTransformPath(m_GameObject2.m_Transform);
iMesh.SubmeshList = new List <ImportedSubmesh>();
var subHashSet = new HashSet <int>();
var combine = false;
int firstSubMesh = 0;
if (meshR.m_StaticBatchInfo?.subMeshCount > 0)
{
firstSubMesh = meshR.m_StaticBatchInfo.firstSubMesh;
var finalSubMesh = meshR.m_StaticBatchInfo.firstSubMesh + meshR.m_StaticBatchInfo.subMeshCount;
for (int i = meshR.m_StaticBatchInfo.firstSubMesh; i < finalSubMesh; i++)
{
subHashSet.Add(i);
}
combine = true;
}
else if (meshR.m_SubsetIndices?.Length > 0)
{
firstSubMesh = (int)meshR.m_SubsetIndices.Min(x => x);
foreach (var index in meshR.m_SubsetIndices)
{
subHashSet.Add((int)index);
}
combine = true;
}
int firstFace = 0;
for (int i = 0; i < mesh.m_SubMeshes.Length; i++)
{
int numFaces = (int)mesh.m_SubMeshes[i].indexCount / 3;
if (subHashSet.Count > 0 && !subHashSet.Contains(i))
{
firstFace += numFaces;
continue;
}
var submesh = mesh.m_SubMeshes[i];
var iSubmesh = new ImportedSubmesh();
Material mat = null;
if (i - firstSubMesh < meshR.m_Materials.Length)
{
if (meshR.m_Materials[i - firstSubMesh].TryGet(out var m_Material))
{
mat = m_Material;
}
}
ImportedMaterial iMat = ConvertMaterial(mat);
iSubmesh.Material = iMat.Name;
iSubmesh.VertexList = new List <ImportedVertex>((int)submesh.vertexCount);
var vertexColours = mesh.m_Colors != null && (mesh.m_Colors.Length == mesh.m_VertexCount * 3 || mesh.m_Colors.Length == mesh.m_VertexCount * 4);
for (var j = mesh.m_SubMeshes[i].firstVertex; j < mesh.m_SubMeshes[i].firstVertex + mesh.m_SubMeshes[i].vertexCount; j++)
{
var iVertex = vertexColours ? new ImportedVertexWithColour() : new ImportedVertex();
//Vertices
int c = 3;
if (mesh.m_Vertices.Length == mesh.m_VertexCount * 4)
{
c = 4;
}
iVertex.Position = new Vector3(-mesh.m_Vertices[j * c], mesh.m_Vertices[j * c + 1], mesh.m_Vertices[j * c + 2]);
//Normals
if (mesh.m_Normals?.Length > 0)
{
if (mesh.m_Normals.Length == mesh.m_VertexCount * 3)
{
c = 3;
}
else if (mesh.m_Normals.Length == mesh.m_VertexCount * 4)
{
c = 4;
}
iVertex.Normal = new Vector3(-mesh.m_Normals[j * c], mesh.m_Normals[j * c + 1], mesh.m_Normals[j * c + 2]);
}
//Colors
if (vertexColours)
{
if (mesh.m_Colors.Length == mesh.m_VertexCount * 3)
{
((ImportedVertexWithColour)iVertex).Colour = new Color(mesh.m_Colors[j * 3], mesh.m_Colors[j * 3 + 1], mesh.m_Colors[j * 3 + 2], 1.0f);
}
else
{
((ImportedVertexWithColour)iVertex).Colour = new Color(mesh.m_Colors[j * 4], mesh.m_Colors[j * 4 + 1], mesh.m_Colors[j * 4 + 2], mesh.m_Colors[j * 4 + 3]);
}
}
//UV
if (mesh.m_UV0 != null && mesh.m_UV0.Length == mesh.m_VertexCount * 2)
{
iVertex.UV = new[] { mesh.m_UV0[j * 2], mesh.m_UV0[j * 2 + 1] };
}
else if (mesh.m_UV1 != null && mesh.m_UV1.Length == mesh.m_VertexCount * 2)
{
iVertex.UV = new[] { mesh.m_UV1[j * 2], mesh.m_UV1[j * 2 + 1] };
}
//Tangent
if (mesh.m_Tangents != null && mesh.m_Tangents.Length == mesh.m_VertexCount * 4)
{
iVertex.Tangent = new Vector4(-mesh.m_Tangents[j * 4], mesh.m_Tangents[j * 4 + 1], mesh.m_Tangents[j * 4 + 2], -mesh.m_Tangents[j * 4 + 3]);
}
//BoneInfluence
if (mesh.m_Skin?.Length > 0)
{
var inf = mesh.m_Skin[j];
iVertex.BoneIndices = new int[4];
iVertex.Weights = new float[4];
for (var k = 0; k < 4; k++)
{
iVertex.BoneIndices[k] = inf.boneIndex[k];
iVertex.Weights[k] = inf.weight[k];
}
}
iSubmesh.VertexList.Add(iVertex);
}
//Face
iSubmesh.FaceList = new List <ImportedFace>(numFaces);
var end = firstFace + numFaces;
for (int f = firstFace; f < end; f++)
{
var face = new ImportedFace();
face.VertexIndices = new int[3];
face.VertexIndices[0] = (int)(mesh.m_Indices[f * 3 + 2] - submesh.firstVertex);
face.VertexIndices[1] = (int)(mesh.m_Indices[f * 3 + 1] - submesh.firstVertex);
face.VertexIndices[2] = (int)(mesh.m_Indices[f * 3] - submesh.firstVertex);
iSubmesh.FaceList.Add(face);
}
firstFace = end;
iMesh.SubmeshList.Add(iSubmesh);
}
if (meshR is SkinnedMeshRenderer sMesh)
{
//Bone
if (sMesh.m_Bones.Length > 0)
{
var boneMax = Math.Min(sMesh.m_Bones.Length, mesh.m_BindPose.Length);
iMesh.BoneList = new List <ImportedBone>(boneMax);
for (int i = 0; i < boneMax; i++)
{
var bone = new ImportedBone();
if (sMesh.m_Bones[i].TryGet(out var m_Transform))
{
bone.Path = GetTransformPath(m_Transform);
}
if (!string.IsNullOrEmpty(bone.Path))
{
var convert = Matrix4x4.Scale(new Vector3(-1, 1, 1));
bone.Matrix = convert * mesh.m_BindPose[i] * convert;
iMesh.BoneList.Add(bone);
}
}
}
if (iMesh.BoneList == null || iMesh.BoneList.Count == 0)
{
if (mesh.m_BindPose.Length > 0 && mesh.m_BoneNameHashes?.Length > 0)
{
var boneMax = Math.Min(mesh.m_BindPose.Length, mesh.m_BoneNameHashes.Length);
iMesh.BoneList = new List <ImportedBone>(boneMax);
for (int i = 0; i < boneMax; i++)
{
var bone = new ImportedBone();
var boneHash = mesh.m_BoneNameHashes[i];
var path = GetPathFromHash(boneHash);
bone.Path = FixBonePath(path);
if (!string.IsNullOrEmpty(bone.Path))
{
var convert = Matrix4x4.Scale(new Vector3(-1, 1, 1));
bone.Matrix = convert * mesh.m_BindPose[i] * convert;
iMesh.BoneList.Add(bone);
}
}
}
}
//Morphs
if (mesh.m_Shapes?.channels?.Length > 0)
{
var morph = new ImportedMorph();
MorphList.Add(morph);
morph.Path = iMesh.Path;
morph.Channels = new List <ImportedMorphChannel>(mesh.m_Shapes.channels.Length);
for (int i = 0; i < mesh.m_Shapes.channels.Length; i++)
{
var channel = new ImportedMorphChannel();
morph.Channels.Add(channel);
var shapeChannel = mesh.m_Shapes.channels[i];
channel.Name = shapeChannel.name;
channel.KeyframeList = new List <ImportedMorphKeyframe>(shapeChannel.frameCount);
var frameEnd = shapeChannel.frameIndex + shapeChannel.frameCount;
for (int frameIdx = shapeChannel.frameIndex; frameIdx < frameEnd; frameIdx++)
{
var keyframe = new ImportedMorphKeyframe();
channel.KeyframeList.Add(keyframe);
keyframe.Weight = mesh.m_Shapes.fullWeights[frameIdx];
var shape = mesh.m_Shapes.shapes[frameIdx];
keyframe.hasNormals = shape.hasNormals;
keyframe.hasTangents = shape.hasTangents;
keyframe.VertexList = new List <ImportedMorphVertex>((int)shape.vertexCount);
var vertexEnd = shape.firstVertex + shape.vertexCount;
for (uint j = shape.firstVertex; j < vertexEnd; j++)
{
var destVertex = new ImportedMorphVertex();
keyframe.VertexList.Add(destVertex);
var morphVertex = mesh.m_Shapes.vertices[j];
destVertex.Index = morphVertex.index;
var sourceVertex = GetSourceVertex(iMesh.SubmeshList, (int)morphVertex.index);
destVertex.Vertex = new ImportedVertex();
var morphPos = morphVertex.vertex;
destVertex.Vertex.Position = sourceVertex.Position + new Vector3(-morphPos.X, morphPos.Y, morphPos.Z);
if (shape.hasNormals)
{
var morphNormal = morphVertex.normal;
destVertex.Vertex.Normal = new Vector3(-morphNormal.X, morphNormal.Y, morphNormal.Z);
}
if (shape.hasTangents)
{
var morphTangent = morphVertex.tangent;
destVertex.Vertex.Tangent = new Vector4(-morphTangent.X, morphTangent.Y, morphTangent.Z, 0);
}
}
}
}
}
}
//TODO combine mesh
if (combine)
{
meshR.m_GameObject.TryGet(out var m_GameObject);
var frame = RootFrame.FindChild(m_GameObject.m_Name);
if (frame != null)
{
frame.LocalPosition = RootFrame.LocalPosition;
frame.LocalRotation = RootFrame.LocalRotation;
while (frame.Parent != null)
{
frame = frame.Parent;
frame.LocalPosition = RootFrame.LocalPosition;
frame.LocalRotation = RootFrame.LocalRotation;
}
}
}
MeshList.Add(iMesh);
}
private void ConvertMeshRenderer(Renderer meshR)
{
var mesh = GetMesh(meshR);
if (mesh == null)
{
return;
}
var iMesh = new ImportedMesh();
meshR.m_GameObject.TryGet(out var m_GameObject2);
iMesh.Path = GetTransformPath(m_GameObject2.m_Transform);
iMesh.SubmeshList = new List <ImportedSubmesh>();
var subHashSet = new HashSet <int>();
var combine = false;
int firstSubMesh = 0;
if (meshR.m_StaticBatchInfo?.subMeshCount > 0)
{
firstSubMesh = meshR.m_StaticBatchInfo.firstSubMesh;
var finalSubMesh = meshR.m_StaticBatchInfo.firstSubMesh + meshR.m_StaticBatchInfo.subMeshCount;
for (int i = meshR.m_StaticBatchInfo.firstSubMesh; i < finalSubMesh; i++)
{
subHashSet.Add(i);
}
combine = true;
}
else if (meshR.m_SubsetIndices?.Length > 0)
{
firstSubMesh = (int)meshR.m_SubsetIndices.Min(x => x);
foreach (var index in meshR.m_SubsetIndices)
{
subHashSet.Add((int)index);
}
combine = true;
}
iMesh.hasNormal = mesh.m_Normals?.Length > 0;
iMesh.hasUV = new bool[8];
for (int uv = 0; uv < 8; uv++)
{
iMesh.hasUV[uv] = mesh.GetUV(uv)?.Length > 0;
}
iMesh.hasTangent = mesh.m_Tangents != null && mesh.m_Tangents.Length == mesh.m_VertexCount * 4;
iMesh.hasColor = mesh.m_Colors?.Length > 0;
int firstFace = 0;
for (int i = 0; i < mesh.m_SubMeshes.Length; i++)
{
int numFaces = (int)mesh.m_SubMeshes[i].indexCount / 3;
if (subHashSet.Count > 0 && !subHashSet.Contains(i))
{
firstFace += numFaces;
continue;
}
var submesh = mesh.m_SubMeshes[i];
var iSubmesh = new ImportedSubmesh();
Material mat = null;
if (i - firstSubMesh < meshR.m_Materials.Length)
{
if (meshR.m_Materials[i - firstSubMesh].TryGet(out var m_Material))
{
mat = m_Material;
}
}
ImportedMaterial iMat = ConvertMaterial(mat);
iSubmesh.Material = iMat.Name;
iSubmesh.VertexList = new List <ImportedVertex>((int)submesh.vertexCount);
for (var j = mesh.m_SubMeshes[i].firstVertex; j < mesh.m_SubMeshes[i].firstVertex + mesh.m_SubMeshes[i].vertexCount; j++)
{
var iVertex = new ImportedVertex();
//Vertices
int c = 3;
if (mesh.m_Vertices.Length == mesh.m_VertexCount * 4)
{
c = 4;
}
iVertex.Vertex = new Vector3(-mesh.m_Vertices[j * c], mesh.m_Vertices[j * c + 1], mesh.m_Vertices[j * c + 2]);
//Normals
if (iMesh.hasNormal)
{
if (mesh.m_Normals.Length == mesh.m_VertexCount * 3)
{
c = 3;
}
else if (mesh.m_Normals.Length == mesh.m_VertexCount * 4)
{
c = 4;
}
iVertex.Normal = new Vector3(-mesh.m_Normals[j * c], mesh.m_Normals[j * c + 1], mesh.m_Normals[j * c + 2]);
}
//UV
iVertex.UV = new float[8][];
for (int uv = 0; uv < 8; uv++)
{
if (iMesh.hasUV[uv])
{
var m_UV = mesh.GetUV(uv);
if (m_UV.Length == mesh.m_VertexCount * 2)
{
c = 2;
}
else if (m_UV.Length == mesh.m_VertexCount * 3)
{
c = 3;
}
iVertex.UV[uv] = new[] { m_UV[j * c], m_UV[j * c + 1] };
}
}
//Tangent
if (iMesh.hasTangent)
{
iVertex.Tangent = new Vector4(-mesh.m_Tangents[j * 4], mesh.m_Tangents[j * 4 + 1], mesh.m_Tangents[j * 4 + 2], mesh.m_Tangents[j * 4 + 3]);
}
//Colors
if (iMesh.hasColor)
{
if (mesh.m_Colors.Length == mesh.m_VertexCount * 3)
{
iVertex.Color = new Color(mesh.m_Colors[j * 3], mesh.m_Colors[j * 3 + 1], mesh.m_Colors[j * 3 + 2], 1.0f);
}
else
{
iVertex.Color = new Color(mesh.m_Colors[j * 4], mesh.m_Colors[j * 4 + 1], mesh.m_Colors[j * 4 + 2], mesh.m_Colors[j * 4 + 3]);
}
}
//BoneInfluence
if (mesh.m_Skin?.Length > 0)
{
var inf = mesh.m_Skin[j];
iVertex.BoneIndices = new int[4];
iVertex.Weights = new float[4];
for (var k = 0; k < 4; k++)
{
iVertex.BoneIndices[k] = inf.boneIndex[k];
iVertex.Weights[k] = inf.weight[k];
}
}
iSubmesh.VertexList.Add(iVertex);
}
//Face
iSubmesh.FaceList = new List <ImportedFace>(numFaces);
var end = firstFace + numFaces;
for (int f = firstFace; f < end; f++)
{
var face = new ImportedFace();
face.VertexIndices = new int[3];
face.VertexIndices[0] = (int)(mesh.m_Indices[f * 3 + 2] - submesh.firstVertex);
face.VertexIndices[1] = (int)(mesh.m_Indices[f * 3 + 1] - submesh.firstVertex);
face.VertexIndices[2] = (int)(mesh.m_Indices[f * 3] - submesh.firstVertex);
iSubmesh.FaceList.Add(face);
}
firstFace = end;
iMesh.SubmeshList.Add(iSubmesh);
}
if (meshR is SkinnedMeshRenderer sMesh)
{
//Bone
/*
* 0 - None
* 1 - m_Bones
* 2 - m_BoneNameHashes
*/
var boneType = 0;
if (sMesh.m_Bones.Length > 0)
{
if (sMesh.m_Bones.Length == mesh.m_BindPose.Length)
{
var verifiedBoneCount = sMesh.m_Bones.Count(x => x.TryGet(out _));
if (verifiedBoneCount > 0)
{
boneType = 1;
}
if (verifiedBoneCount != sMesh.m_Bones.Length)
{
//尝试使用m_BoneNameHashes 4.3 and up
if (mesh.m_BindPose.Length > 0 && (mesh.m_BindPose.Length == mesh.m_BoneNameHashes?.Length))
{
//有效bone数量是否大于SkinnedMeshRenderer
var verifiedBoneCount2 = mesh.m_BoneNameHashes.Count(x => FixBonePath(GetPathFromHash(x)) != null);
if (verifiedBoneCount2 > verifiedBoneCount)
{
boneType = 2;
}
}
}
}
else
{
//Logger.Error("");
}
}
else
{
//尝试使用m_BoneNameHashes 4.3 and up
if (mesh.m_BindPose.Length > 0 && (mesh.m_BindPose.Length == mesh.m_BoneNameHashes?.Length))
{
boneType = 2;
}
}
if (boneType == 1)
{
var boneCount = sMesh.m_Bones.Length;
iMesh.BoneList = new List <ImportedBone>(boneCount);
for (int i = 0; i < boneCount; i++)
{
var bone = new ImportedBone();
if (sMesh.m_Bones[i].TryGet(out var m_Transform))
{
bone.Path = GetTransformPath(m_Transform);
}
var convert = Matrix4x4.Scale(new Vector3(-1, 1, 1));
bone.Matrix = convert * mesh.m_BindPose[i] * convert;
iMesh.BoneList.Add(bone);
}
}
else if (boneType == 2)
{
var boneCount = mesh.m_BindPose.Length;
iMesh.BoneList = new List <ImportedBone>(boneCount);
for (int i = 0; i < boneCount; i++)
{
var bone = new ImportedBone();
var boneHash = mesh.m_BoneNameHashes[i];
var path = GetPathFromHash(boneHash);
bone.Path = FixBonePath(path);
var convert = Matrix4x4.Scale(new Vector3(-1, 1, 1));
bone.Matrix = convert * mesh.m_BindPose[i] * convert;
iMesh.BoneList.Add(bone);
}
}
//Morphs
if (mesh.m_Shapes?.channels?.Length > 0)
{
var morph = new ImportedMorph();
MorphList.Add(morph);
morph.Path = iMesh.Path;
morph.Channels = new List <ImportedMorphChannel>(mesh.m_Shapes.channels.Length);
for (int i = 0; i < mesh.m_Shapes.channels.Length; i++)
{
var channel = new ImportedMorphChannel();
morph.Channels.Add(channel);
var shapeChannel = mesh.m_Shapes.channels[i];
var blendShapeName = "blendShape." + shapeChannel.name;
var crc = new SevenZip.CRC();
var bytes = Encoding.UTF8.GetBytes(blendShapeName);
crc.Update(bytes, 0, (uint)bytes.Length);
morphChannelNames[crc.GetDigest()] = blendShapeName;
channel.Name = shapeChannel.name;
channel.KeyframeList = new List <ImportedMorphKeyframe>(shapeChannel.frameCount);
var frameEnd = shapeChannel.frameIndex + shapeChannel.frameCount;
for (int frameIdx = shapeChannel.frameIndex; frameIdx < frameEnd; frameIdx++)
{
var keyframe = new ImportedMorphKeyframe();
channel.KeyframeList.Add(keyframe);
keyframe.Weight = mesh.m_Shapes.fullWeights[frameIdx];
var shape = mesh.m_Shapes.shapes[frameIdx];
keyframe.hasNormals = shape.hasNormals;
keyframe.hasTangents = shape.hasTangents;
keyframe.VertexList = new List <ImportedMorphVertex>((int)shape.vertexCount);
var vertexEnd = shape.firstVertex + shape.vertexCount;
for (uint j = shape.firstVertex; j < vertexEnd; j++)
{
var destVertex = new ImportedMorphVertex();
keyframe.VertexList.Add(destVertex);
var morphVertex = mesh.m_Shapes.vertices[j];
destVertex.Index = morphVertex.index;
var sourceVertex = GetSourceVertex(iMesh.SubmeshList, (int)morphVertex.index);
destVertex.Vertex = new ImportedVertex();
var morphPos = morphVertex.vertex;
destVertex.Vertex.Vertex = sourceVertex.Vertex + new Vector3(-morphPos.X, morphPos.Y, morphPos.Z);
if (shape.hasNormals)
{
var morphNormal = morphVertex.normal;
destVertex.Vertex.Normal = new Vector3(-morphNormal.X, morphNormal.Y, morphNormal.Z);
}
if (shape.hasTangents)
{
var morphTangent = morphVertex.tangent;
destVertex.Vertex.Tangent = new Vector4(-morphTangent.X, morphTangent.Y, morphTangent.Z, 0);
}
}
}
}
}
}
//TODO combine mesh
if (combine)
{
meshR.m_GameObject.TryGet(out var m_GameObject);
var frame = RootFrame.FindChild(m_GameObject.m_Name);
if (frame != null)
{
frame.LocalPosition = RootFrame.LocalPosition;
frame.LocalRotation = RootFrame.LocalRotation;
while (frame.Parent != null)
{
frame = frame.Parent;
frame.LocalPosition = RootFrame.LocalPosition;
frame.LocalRotation = RootFrame.LocalRotation;
}
}
}
MeshList.Add(iMesh);
}
private void ConvertMeshRenderer(Renderer meshR)
{
var mesh = GetMesh(meshR);
if (mesh == null)
{
return;
}
var iMesh = new ImportedMesh();
meshR.m_GameObject.TryGet(out var m_GameObject2);
iMesh.Path = GetTransformPath(m_GameObject2.m_Transform);
iMesh.SubmeshList = new List <ImportedSubmesh>();
var subHashSet = new HashSet <int>();
var combine = false;
int firstSubMesh = 0;
if (meshR.m_StaticBatchInfo?.subMeshCount > 0)
{
firstSubMesh = meshR.m_StaticBatchInfo.firstSubMesh;
var finalSubMesh = meshR.m_StaticBatchInfo.firstSubMesh + meshR.m_StaticBatchInfo.subMeshCount;
for (int i = meshR.m_StaticBatchInfo.firstSubMesh; i < finalSubMesh; i++)
{
subHashSet.Add(i);
}
combine = true;
}
else if (meshR.m_SubsetIndices?.Length > 0)
{
firstSubMesh = (int)meshR.m_SubsetIndices.Min(x => x);
foreach (var index in meshR.m_SubsetIndices)
{
subHashSet.Add((int)index);
}
combine = true;
}
int firstFace = 0;
for (int i = 0; i < mesh.m_SubMeshes.Length; i++)
{
int numFaces = (int)mesh.m_SubMeshes[i].indexCount / 3;
if (subHashSet.Count > 0 && !subHashSet.Contains(i))
{
firstFace += numFaces;
continue;
}
var submesh = mesh.m_SubMeshes[i];
var iSubmesh = new ImportedSubmesh();
Material mat = null;
if (i - firstSubMesh < meshR.m_Materials.Length)
{
if (meshR.m_Materials[i - firstSubMesh].TryGet(out var m_Material))
{
mat = m_Material;
}
}
ImportedMaterial iMat = ConvertMaterial(mat);
iSubmesh.Material = iMat.Name;
iSubmesh.VertexList = new List <ImportedVertex>((int)submesh.vertexCount);
var vertexColours = mesh.m_Colors != null && (mesh.m_Colors.Length == mesh.m_VertexCount * 3 || mesh.m_Colors.Length == mesh.m_VertexCount * 4);
for (var j = mesh.m_SubMeshes[i].firstVertex; j < mesh.m_SubMeshes[i].firstVertex + mesh.m_SubMeshes[i].vertexCount; j++)
{
var iVertex = vertexColours ? new ImportedVertexWithColour() : new ImportedVertex();
//Vertices
int c = 3;
if (mesh.m_Vertices.Length == mesh.m_VertexCount * 4)
{
c = 4;
}
iVertex.Position = new Vector3(-mesh.m_Vertices[j * c], mesh.m_Vertices[j * c + 1], mesh.m_Vertices[j * c + 2]);
//Normals
if (mesh.m_Normals?.Length > 0)
{
if (mesh.m_Normals.Length == mesh.m_VertexCount * 3)
{
c = 3;
}
else if (mesh.m_Normals.Length == mesh.m_VertexCount * 4)
{
c = 4;
}
iVertex.Normal = new Vector3(-mesh.m_Normals[j * c], mesh.m_Normals[j * c + 1], mesh.m_Normals[j * c + 2]);
}
//Colors
if (vertexColours)
{
if (mesh.m_Colors.Length == mesh.m_VertexCount * 3)
{
((ImportedVertexWithColour)iVertex).Colour = new Color4(mesh.m_Colors[j * 3], mesh.m_Colors[j * 3 + 1], mesh.m_Colors[j * 3 + 2], 1.0f);
}
else
{
((ImportedVertexWithColour)iVertex).Colour = new Color4(mesh.m_Colors[j * 4], mesh.m_Colors[j * 4 + 1], mesh.m_Colors[j * 4 + 2], mesh.m_Colors[j * 4 + 3]);
}
}
//UV
if (mesh.m_UV0 != null && mesh.m_UV0.Length == mesh.m_VertexCount * 2)
{
iVertex.UV = new[] { mesh.m_UV0[j * 2], mesh.m_UV0[j * 2 + 1] };
}
else if (mesh.m_UV1 != null && mesh.m_UV1.Length == mesh.m_VertexCount * 2)
{
iVertex.UV = new[] { mesh.m_UV1[j * 2], mesh.m_UV1[j * 2 + 1] };
}
//Tangent
if (mesh.m_Tangents != null && mesh.m_Tangents.Length == mesh.m_VertexCount * 4)
{
iVertex.Tangent = new Vector4(-mesh.m_Tangents[j * 4], mesh.m_Tangents[j * 4 + 1], mesh.m_Tangents[j * 4 + 2], -mesh.m_Tangents[j * 4 + 3]);
}
//BoneInfluence
if (mesh.m_Skin?.Length > 0)
{
var inf = mesh.m_Skin[j];
iVertex.BoneIndices = new int[4];
iVertex.Weights = new float[4];
for (var k = 0; k < 4; k++)
{
iVertex.BoneIndices[k] = inf.boneIndex[k];
iVertex.Weights[k] = inf.weight[k];
}
}
iSubmesh.VertexList.Add(iVertex);
}
//Face
iSubmesh.FaceList = new List <ImportedFace>(numFaces);
var end = firstFace + numFaces;
for (int f = firstFace; f < end; f++)
{
var face = new ImportedFace();
face.VertexIndices = new int[3];
face.VertexIndices[0] = (int)(mesh.m_Indices[f * 3 + 2] - submesh.firstVertex);
face.VertexIndices[1] = (int)(mesh.m_Indices[f * 3 + 1] - submesh.firstVertex);
face.VertexIndices[2] = (int)(mesh.m_Indices[f * 3] - submesh.firstVertex);
iSubmesh.FaceList.Add(face);
}
firstFace = end;
iMesh.SubmeshList.Add(iSubmesh);
}
if (meshR is SkinnedMeshRenderer sMesh)
{
//Bone
if (sMesh.m_Bones.Length > 0)
{
iMesh.BoneList = new List <ImportedBone>(sMesh.m_Bones.Length);
for (int i = 0; i < sMesh.m_Bones.Length; i++)
{
var bone = new ImportedBone();
if (sMesh.m_Bones[i].TryGet(out var m_Transform))
{
bone.Path = GetTransformPath(m_Transform);
}
if (!string.IsNullOrEmpty(bone.Path))
{
var convert = Matrix.Scaling(new Vector3(-1, 1, 1));
bone.Matrix = convert * Matrix.Transpose(mesh.m_BindPose[i]) * convert;
iMesh.BoneList.Add(bone);
}
}
}
else if (mesh.m_BindPose.Length > 0 && mesh.m_BoneNameHashes?.Length > 0 && mesh.m_BindPose.Length == mesh.m_BoneNameHashes.Length)
{
iMesh.BoneList = new List <ImportedBone>(mesh.m_BoneNameHashes.Length);
for (int i = 0; i < mesh.m_BoneNameHashes.Length; i++)
{
var bone = new ImportedBone();
var boneHash = mesh.m_BoneNameHashes[i];
var path = GetPathFromHash(boneHash);
bone.Path = FixBonePath(path);
if (!string.IsNullOrEmpty(bone.Path))
{
var convert = Matrix.Scaling(new Vector3(-1, 1, 1));
bone.Matrix = convert * Matrix.Transpose(mesh.m_BindPose[i]) * convert;
iMesh.BoneList.Add(bone);
}
}
}
//Morphs
if (mesh.m_Shapes?.shapes != null)
{
if (mesh.m_Shapes.shapes.Length > 0)
{
ImportedMorph morph = null;
string lastGroup = "";
for (int i = 0; i < mesh.m_Shapes.channels.Length; i++)
{
string group = BlendShapeNameGroup(mesh, i);
if (group != lastGroup)
{
morph = new ImportedMorph();
MorphList.Add(morph);
morph.Path = iMesh.Path;
morph.ClipName = group;
morph.Channels = new List <Tuple <float, int, int> >(mesh.m_Shapes.channels.Length);
morph.KeyframeList = new List <ImportedMorphKeyframe>(mesh.m_Shapes.shapes.Length);
lastGroup = group;
}
morph.Channels.Add(new Tuple <float, int, int>(i < sMesh.m_BlendShapeWeights.Length ? sMesh.m_BlendShapeWeights[i] : 0f, morph.KeyframeList.Count, mesh.m_Shapes.channels[i].frameCount));
for (int frameIdx = 0; frameIdx < mesh.m_Shapes.channels[i].frameCount; frameIdx++)
{
ImportedMorphKeyframe keyframe = new ImportedMorphKeyframe();
keyframe.Name = BlendShapeNameExtension(mesh, i) + "_" + frameIdx;
int shapeIdx = mesh.m_Shapes.channels[i].frameIndex + frameIdx;
keyframe.VertexList = new List <ImportedVertex>((int)mesh.m_Shapes.shapes[shapeIdx].vertexCount);
keyframe.MorphedVertexIndices = new List <ushort>((int)mesh.m_Shapes.shapes[shapeIdx].vertexCount);
keyframe.Weight = shapeIdx < mesh.m_Shapes.fullWeights.Length ? mesh.m_Shapes.fullWeights[shapeIdx] : 100f;
int lastVertIndex = (int)(mesh.m_Shapes.shapes[shapeIdx].firstVertex + mesh.m_Shapes.shapes[shapeIdx].vertexCount);
for (int j = (int)mesh.m_Shapes.shapes[shapeIdx].firstVertex; j < lastVertIndex; j++)
{
var morphVert = mesh.m_Shapes.vertices[j];
ImportedVertex vert = GetSourceVertex(iMesh.SubmeshList, (int)morphVert.index);
ImportedVertex destVert = new ImportedVertex();
Vector3 morphPos = morphVert.vertex;
morphPos.X *= -1;
destVert.Position = vert.Position + morphPos;
Vector3 morphNormal = morphVert.normal;
morphNormal.X *= -1;
destVert.Normal = morphNormal;
Vector4 morphTangent = new Vector4(morphVert.tangent, 0);
morphTangent.X *= -1;
destVert.Tangent = morphTangent;
keyframe.VertexList.Add(destVert);
keyframe.MorphedVertexIndices.Add((ushort)morphVert.index);
}
morph.KeyframeList.Add(keyframe);
}
}
}
}
}
//TODO combine mesh
if (combine)
{
meshR.m_GameObject.TryGet(out var m_GameObject);
var frame = RootFrame.FindChild(m_GameObject.m_Name);
frame.LocalPosition = RootFrame.LocalPosition;
frame.LocalRotation = RootFrame.LocalRotation;
while (frame.Parent != null)
{
frame = frame.Parent;
frame.LocalPosition = RootFrame.LocalPosition;
frame.LocalRotation = RootFrame.LocalRotation;
}
}
MeshList.Add(iMesh);
}