public static IEnumerator MakeLODMeshInBackground(this Mesh mesh, float maxWeight, bool recalcNormals, float removeSmallParts, System.Action <Mesh> result)
{
Hashtable lodInfo = new Hashtable();
lodInfo["maxWeight"] = maxWeight;
lodInfo["removeSmallParts"] = removeSmallParts;
Vector3[] vs = mesh.vertices;
if (vs.Length <= 0)
{
throw new ApplicationException("Mesh was empty");
}
Vector3[] ns = mesh.normals;
if (ns.Length == 0) // mesh has no normals
{
mesh.RecalculateNormals();
ns = mesh.normals;
}
Vector2[] uv1s = mesh.uv;
Vector2[] uv2s = mesh.uv2;
#if UNITY_4_3
Vector2[] uv3s = new Vector2[0];
Vector2[] uv4s = new Vector2[0];
#elif UNITY_4_4
Vector2[] uv3s = new Vector2[0];
Vector2[] uv4s = new Vector2[0];
#elif UNITY_4_5
Vector2[] uv3s = new Vector2[0];
Vector2[] uv4s = new Vector2[0];
#elif UNITY_4_6
Vector2[] uv3s = new Vector2[0];
Vector2[] uv4s = new Vector2[0];
#else
Vector2[] uv3s = mesh.uv3;
Vector2[] uv4s = mesh.uv4;
#endif
Color32[] colors32 = mesh.colors32;
int[] ts = mesh.triangles;
Matrix4x4[] bindposes = mesh.bindposes;
BoneWeight[] bws = mesh.boneWeights;
int[] subMeshOffsets = new int[mesh.subMeshCount];
if (mesh.subMeshCount > 1) // read triangles of submeshes 1 by 1 because I dont know the internal order of the mesh
{
for (int s = 0; s < mesh.subMeshCount; s++)
{
int[] subTs = mesh.GetTriangles(s);
int t = 0;
for (; t < subTs.Length; t++)
{
ts[subMeshOffsets[s] + t] = subTs[t];
}
if (s + 1 < mesh.subMeshCount)
{
subMeshOffsets[s + 1] = subMeshOffsets[s] + t;
}
}
}
Bounds meshBounds = mesh.bounds;
lodInfo["vertices"] = vs;
lodInfo["normals"] = ns;
lodInfo["uv1s"] = uv1s;
lodInfo["uv2s"] = uv2s;
lodInfo["uv3s"] = uv3s;
lodInfo["uv4s"] = uv4s;
lodInfo["colors32"] = colors32;
lodInfo["triangles"] = ts;
lodInfo["bindposes"] = bindposes;
lodInfo["boneWeights"] = bws;
lodInfo["subMeshOffsets"] = subMeshOffsets;
lodInfo["meshBounds"] = meshBounds;
Thread thread = new Thread(LODMaker.MakeLODMeshInBackground);
thread.Start(lodInfo);
while (!lodInfo.ContainsKey("ready"))
{
yield return(new WaitForSeconds(0.2f));
}
result(LODMaker.CreateNewMesh((Vector3[])lodInfo["vertices"], (Vector3[])lodInfo["normals"], (Vector2[])lodInfo["uv1s"], (Vector2[])lodInfo["uv2s"], (Vector2[])lodInfo["uv3s"], (Vector2[])lodInfo["uv4s"], (Color32[])lodInfo["colors32"], (int[])lodInfo["triangles"], (BoneWeight[])lodInfo["boneWeights"], (Matrix4x4[])lodInfo["bindposes"], (int[])lodInfo["subMeshOffsets"], recalcNormals));
}
public static IEnumerator MakeLODMeshInBackground(this Mesh mesh, float maxWeight, bool recalcNormals, float removeSmallParts, Action <Mesh> result)
{
Hashtable lodInfo = new Hashtable();
lodInfo["maxWeight"] = maxWeight;
lodInfo["removeSmallParts"] = removeSmallParts;
Vector3[] vs = mesh.vertices;
if (vs.Length <= 0)
{
throw new ApplicationException("Mesh was empty");
}
Vector3[] ns = mesh.normals;
if (ns.Length == 0)
{
mesh.RecalculateNormals();
ns = mesh.normals;
}
Vector2[] uv1s = mesh.uv;
Vector2[] uv2s = mesh.uv2;
Vector2[] uv3s = mesh.uv3;
Vector2[] uv4s = mesh.uv4;
Color32[] colors32 = mesh.colors32;
int[] ts = mesh.triangles;
Matrix4x4[] bindposes = mesh.bindposes;
BoneWeight[] bws = mesh.boneWeights;
int[] subMeshOffsets = new int[mesh.subMeshCount];
if (mesh.subMeshCount > 1)
{
for (int i = 0; i < mesh.subMeshCount; i++)
{
int[] triangles = mesh.GetTriangles(i);
int j;
for (j = 0; j < triangles.Length; j++)
{
ts[subMeshOffsets[i] + j] = triangles[j];
}
if (i + 1 < mesh.subMeshCount)
{
subMeshOffsets[i + 1] = subMeshOffsets[i] + j;
}
}
}
Bounds meshBounds = mesh.bounds;
lodInfo["vertices"] = vs;
lodInfo["normals"] = ns;
lodInfo["uv1s"] = uv1s;
lodInfo["uv2s"] = uv2s;
lodInfo["uv3s"] = uv3s;
lodInfo["uv4s"] = uv4s;
lodInfo["colors32"] = colors32;
lodInfo["triangles"] = ts;
lodInfo["bindposes"] = bindposes;
lodInfo["boneWeights"] = bws;
lodInfo["subMeshOffsets"] = subMeshOffsets;
lodInfo["meshBounds"] = meshBounds;
if (MeshExtensions.< > f__mg$cache0 == null)
{
MeshExtensions.< > f__mg$cache0 = new ParameterizedThreadStart(LODMaker.MakeLODMeshInBackground);
}
Thread thread = new Thread(MeshExtensions.< > f__mg$cache0);
thread.Start(lodInfo);
while (!lodInfo.ContainsKey("ready"))
{
yield return(new WaitForSeconds(0.2f));
}
result(LODMaker.CreateNewMesh((Vector3[])lodInfo["vertices"], (Vector3[])lodInfo["normals"], (Vector2[])lodInfo["uv1s"], (Vector2[])lodInfo["uv2s"], (Vector2[])lodInfo["uv3s"], (Vector2[])lodInfo["uv4s"], (Color32[])lodInfo["colors32"], (int[])lodInfo["triangles"], (BoneWeight[])lodInfo["boneWeights"], (Matrix4x4[])lodInfo["bindposes"], (int[])lodInfo["subMeshOffsets"], recalcNormals));
yield break;
}