Mesh CreateEditedMesh(MeshData data, SplitData split, bool noTopologyUpdate = false, Mesh prev = null)
{
if (noTopologyUpdate)
{
if (data.numPoints != prev.vertexCount)
{
return(null);
}
}
var mesh = noTopologyUpdate ? Instantiate <Mesh>(prev) : new Mesh();
var flags = data.flags;
if (flags.hasPoints)
{
mesh.vertices = split.points;
}
if (flags.hasNormals)
{
mesh.normals = split.normals;
}
if (flags.hasTangents)
{
mesh.tangents = split.tangents;
}
if (flags.hasUV)
{
mesh.uv = split.uv;
}
if (flags.hasColors)
{
mesh.colors = split.colors;
}
if (flags.hasBones)
{
mesh.boneWeights = split.boneWeights;
mesh.bindposes = data.bindposes;
}
if (!noTopologyUpdate && flags.hasIndices)
{
if (split.numSubmeshes == 0)
{
mesh.SetIndices(split.indices, MeshTopology.Triangles, 0);
}
else
{
mesh.subMeshCount = split.numSubmeshes;
for (int smi = 0; smi < split.numSubmeshes; ++smi)
{
var submesh = split.GetSubmesh(smi);
mesh.SetIndices(submesh.indices, MeshTopology.Triangles, smi);
}
}
}
mesh.RecalculateBounds();
mesh.UploadMeshData(false);
return(mesh);
}
Mesh CreateEditedMesh(MeshData data, SplitData split)
{
var mesh = new Mesh();
#if UNITY_2017_3_OR_NEWER
mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
#endif
var flags = data.flags;
if (flags.hasPoints)
{
tmpV3.Resize(split.numPoints);
data.ReadPoints(tmpV3, split);
mesh.SetVertices(tmpV3);
}
if (flags.hasNormals)
{
tmpV3.Resize(split.numPoints);
data.ReadNormals(tmpV3, split);
mesh.SetNormals(tmpV3);
}
if (flags.hasTangents)
{
tmpV4.Resize(split.numPoints);
data.ReadTangents(tmpV4, split);
mesh.SetTangents(tmpV4);
}
if (flags.hasUV0)
{
tmpV2.Resize(split.numPoints);
data.ReadUV0(tmpV2, split);
mesh.SetUVs(0, tmpV2);
}
if (flags.hasUV1)
{
tmpV2.Resize(split.numPoints);
data.ReadUV1(tmpV2, split);
mesh.SetUVs(1, tmpV2);
}
if (flags.hasColors)
{
tmpC.Resize(split.numPoints);
data.ReadColors(tmpC, split);
mesh.SetColors(tmpC);
}
if (flags.hasBones)
{
var tmpW = new PinnedList <BoneWeight>();
tmpW.Resize(split.numPoints);
data.ReadBoneWeights(tmpW, split);
mesh.bindposes = data.bindposes;
mesh.boneWeights = tmpW;
}
if (flags.hasIndices)
{
if (split.numSubmeshes == 0)
{
tmpI.Resize(split.numIndices);
data.ReadIndices(tmpI, split);
mesh.SetIndices(tmpI, MeshTopology.Triangles, 0);
}
else
{
mesh.subMeshCount = split.numSubmeshes;
for (int smi = 0; smi < split.numSubmeshes; ++smi)
{
var submesh = split.GetSubmesh(smi);
mesh.SetIndices(submesh.indices, MeshTopology.Triangles, smi);
}
}
}
if (flags.hasBlendshapes)
{
tmpV3.Resize(split.numPoints);
tmpV3a.Resize(split.numPoints);
tmpV3b.Resize(split.numPoints);
int numBlendShapes = data.numBlendShapes;
for (int bi = 0; bi < numBlendShapes; ++bi)
{
var bsd = data.GetBlendShapeData(bi);
var name = bsd.name;
var numFrames = bsd.numFrames;
for (int fi = 0; fi < numFrames; ++fi)
{
bsd.ReadPoints(fi, tmpV3, split);
bsd.ReadNormals(fi, tmpV3a, split);
bsd.ReadTangents(fi, tmpV3b, split);
mesh.AddBlendShapeFrame(name, bsd.GetWeight(fi), tmpV3, tmpV3a, tmpV3b);
}
}
}
mesh.RecalculateBounds();
mesh.UploadMeshData(false);
return(mesh);
}