private void CreateSkeletonMesh()
{
NullMeshFile meshFile = new NullMeshFile(NullWorkingFlag.WF_SKELETON_MESHPIECE);
bool hadNormals = mVertexNormals.Length > 0;
bool hadTangents = mVertexTangents.Length > 0;
bool hadColors = mVertexColors.Length > 0;
bool hadUv = mVertexuvs.Length > 0;
NullMeshObject meshObject = meshFile.AppendSkinObject(NullPrimitiveType.MOT_INDEXED_PRIMITIVES, mVertexTriangles.Length, mVertexPoses.Length, true, true, true);
NullUVGroup uvGroup = hadUv ? meshObject.GetOrCreateUVGroup(UVType.UVT_DEFAULT, mVertexPoses.Length) : null;
int vertexCount = mVertexPoses.Length;
for (int i = 0; i < vertexCount; ++i)
{
meshObject.SetVertex(i, mVertexPoses[i]);
if (hadColors)
{
meshObject.SetVertexColor(i, Convert(mVertexColors[i]));
}
if (hadTangents)
{
meshObject.SetTangent(i, mVertexTangents[i]);
}
if (hadNormals)
{
meshObject.SetNormal(i, mVertexNormals[i]);
}
if (hadUv)
{
uvGroup.SetUV(i, mVertexuvs[i]);
}
}
for (int i = 0; i < mVertexTriangles.Length; i += 3)
{
int i1 = mVertexTriangles[i];
int i2 = mVertexTriangles[i + 1];
int i3 = mVertexTriangles[i + 2];
meshObject.SetTriangleIndex(i, new Vector3Int(i1, i2, i3));
}
// 骨骼数
NullNodeTree rootNode = meshFile.GetNodeTree();
ConvertNodeTree(mRootBone, rootNode, mBindposes, mBones);
// 权重绑定
NullSkeletonBinding skeletonBinding = meshFile.GetSkeletonBinding();
int pieceCount = 1; // 对应子模型，现在只限制一个子模型
skeletonBinding.SetSkeletonName(mMesh.name);
skeletonBinding.SetSkeletonBindingCount(pieceCount);
for (int i = 0; i < pieceCount; ++i)
{
NullSkeletonPiece skeletonPiece = skeletonBinding[i];
skeletonPiece.SetPieceHandle(i);
ConvertSkeletonPiece(skeletonPiece, mBoneweights);
}
string fileName = OutPutDir + "/" + Target.name + ".hxs";
using (NullMemoryStream stream = NullMemoryStream.WriteToFile(fileName))
{
meshFile.SaveToStream(stream);
}
}