private void ConvertMeshRenderers(List <MeshRenderer> meshList, bool skins, bool morphs)
{
MeshList = new List <ImportedMesh>(meshList.Count);
MaterialList = new List <ImportedMaterial>(meshList.Count);
TextureList = new List <ImportedTexture>(meshList.Count);
MorphList = new List <ImportedMorph>(meshList.Count);
foreach (MeshRenderer meshR in meshList)
{
Mesh mesh = Operations.GetMesh(meshR);
if (mesh == null)
{
Report.ReportLog("skipping " + meshR.m_GameObject.instance.m_Name + " - no mesh");
continue;
}
ImportedMesh iMesh = new ImportedMesh();
Transform meshTransform = meshR.m_GameObject.instance.FindLinkedComponent(UnityClassID.Transform);
iMesh.Name = meshTransform.GetTransformPath();
iMesh.SubmeshList = new List <ImportedSubmesh>(mesh.m_SubMeshes.Count);
using (BinaryReader vertReader = new BinaryReader(new MemoryStream(mesh.m_VertexData.m_DataSize)),
indexReader = new BinaryReader(new MemoryStream(mesh.m_IndexBuffer)))
{
for (int i = 0; i < mesh.m_SubMeshes.Count; i++)
{
SubMesh submesh = mesh.m_SubMeshes[i];
ImportedSubmesh iSubmesh = new ImportedSubmesh();
iSubmesh.Index = i;
iSubmesh.Visible = true;
Material mat = meshR.m_Materials[i].instance;
ConvertMaterial(mat);
iSubmesh.Material = mat.m_Name;
iSubmesh.VertexList = new List <ImportedVertex>((int)submesh.vertexCount);
for (int str = 0; str < mesh.m_VertexData.m_Streams.Count; str++)
{
StreamInfo sInfo = mesh.m_VertexData.m_Streams[str];
if (sInfo.channelMask == 0)
{
continue;
}
for (int j = 0; j < mesh.m_SubMeshes[i].vertexCount; j++)
{
ImportedVertex iVertex;
if (iSubmesh.VertexList.Count < mesh.m_SubMeshes[i].vertexCount)
{
iVertex = new ImportedVertex();
iSubmesh.VertexList.Add(iVertex);
}
else
{
iVertex = iSubmesh.VertexList[j];
}
for (int chn = 0; chn < mesh.m_VertexData.m_Channels.Count; chn++)
{
ChannelInfo cInfo = mesh.m_VertexData.m_Channels[chn];
if ((sInfo.channelMask & (1 << chn)) == 0)
{
continue;
}
vertReader.BaseStream.Position = sInfo.offset + (submesh.firstVertex + j) * sInfo.stride + cInfo.offset;
switch (chn)
{
case 0:
iVertex.Position = new SlimDX.Vector3(-vertReader.ReadSingle(), vertReader.ReadSingle(), vertReader.ReadSingle());
break;
case 1:
iVertex.Normal = new SlimDX.Vector3(-vertReader.ReadSingle(), vertReader.ReadSingle(), vertReader.ReadSingle());
break;
case 3:
iVertex.UV = new float[2] {
vertReader.ReadSingle(), vertReader.ReadSingle()
};
break;
case 5:
iVertex.Tangent = new SlimDX.Vector4(-vertReader.ReadSingle(), vertReader.ReadSingle(), vertReader.ReadSingle(), -vertReader.ReadSingle());
break;
}
}
if (skins && iVertex.BoneIndices == null && mesh.m_Skin.Count > 0)
{
BoneInfluence inf = mesh.m_Skin[(int)submesh.firstVertex + j];
iVertex.BoneIndices = new byte[inf.boneIndex.Length];
for (int k = 0; k < iVertex.BoneIndices.Length; k++)
{
iVertex.BoneIndices[k] = (byte)inf.boneIndex[k];
}
iVertex.Weights = (float[])inf.weight.Clone();
}
}
}
int numFaces = (int)(submesh.indexCount / 3);
iSubmesh.FaceList = new List <ImportedFace>(numFaces);
indexReader.BaseStream.Position = submesh.firstByte;
for (int j = 0; j < numFaces; j++)
{
ImportedFace face = new ImportedFace();
face.VertexIndices = new int[3];
face.VertexIndices[0] = indexReader.ReadUInt16() - (int)submesh.firstVertex;
face.VertexIndices[2] = indexReader.ReadUInt16() - (int)submesh.firstVertex;
face.VertexIndices[1] = indexReader.ReadUInt16() - (int)submesh.firstVertex;
iSubmesh.FaceList.Add(face);
}
iMesh.SubmeshList.Add(iSubmesh);
}
}
if (skins && meshR is SkinnedMeshRenderer)
{
SkinnedMeshRenderer sMesh = (SkinnedMeshRenderer)meshR;
if (sMesh.m_Bones.Count >= 256)
{
throw new Exception("Too many bones (" + mesh.m_BindPose.Count + ")");
}
if (sMesh.m_Bones.Count != mesh.m_BindPose.Count || sMesh.m_Bones.Count != mesh.m_BoneNameHashes.Count)
{
throw new Exception("Mismatching number of bones bind pose=" + mesh.m_BindPose.Count + " hashes=" + mesh.m_BoneNameHashes.Count + " numBones=" + sMesh.m_Bones.Count);
}
iMesh.BoneList = new List <ImportedBone>(sMesh.m_Bones.Count);
for (int i = 0; i < sMesh.m_Bones.Count; i++)
{
ImportedBone bone = new ImportedBone();
uint boneHash = mesh.m_BoneNameHashes[i];
bone.Name = avatar.FindBoneName(boneHash);
Matrix m = Matrix.Transpose(mesh.m_BindPose[i]);
Vector3 s, t;
Quaternion q;
m.Decompose(out s, out q, out t);
t.X *= -1;
Vector3 euler = FbxUtility.QuaternionToEuler(q);
euler.Y *= -1;
euler.Z *= -1;
q = FbxUtility.EulerToQuaternion(euler);
bone.Matrix = Matrix.Scaling(s) * Matrix.RotationQuaternion(q) * Matrix.Translation(t);
iMesh.BoneList.Add(bone);
}
}
if (morphs && mesh.m_Shapes.shapes.Count > 0)
{
ImportedMorph morph = new ImportedMorph();
morph.Name = iMesh.Name;
morph.ClipName = Operations.BlendShapeName(mesh);
morph.KeyframeList = new List <ImportedMorphKeyframe>(mesh.m_Shapes.shapes.Count);
for (int i = 0; i < mesh.m_Shapes.shapes.Count; i++)
{
ImportedMorphKeyframe keyframe = new ImportedMorphKeyframe();
keyframe.Name = Operations.BlendShapeKeyframeName(mesh, i);
keyframe.VertexList = new List <ImportedVertex>((int)mesh.m_Shapes.shapes[i].vertexCount);
keyframe.MorphedVertexIndices = new List <ushort>((int)mesh.m_Shapes.shapes[i].vertexCount);
int lastVertIndex = (int)(mesh.m_Shapes.shapes[i].firstVertex + mesh.m_Shapes.shapes[i].vertexCount);
for (int j = (int)mesh.m_Shapes.shapes[i].firstVertex; j < lastVertIndex; j++)
{
BlendShapeVertex 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);
}
MorphList.Add(morph);
}
MeshList.Add(iMesh);
}
}