private static PrimitiveManager DecodePrimitivesUnweighted(Matrix bindMatrix, GeometryEntry geo)
{
PrimitiveManager manager = DecodePrimitives(geo);
Vector3 * pVert = null, pNorms = null;
ushort * pVInd = (ushort *)manager._indices.Address;
int vCount = 0;
List <Vertex3> vertList = new List <Vertex3>(manager._pointCount);
manager._vertices = vertList;
if (manager._faceData[1] != null)
{
pNorms = (Vector3 *)manager._faceData[1].Address;
}
//Find vertex source
foreach (SourceEntry s in geo._sources)
{
if (s._id == geo._verticesInput._source)
{
UnsafeBuffer b = s._arrayData as UnsafeBuffer;
pVert = (Vector3 *)b.Address;
vCount = b.Length / 12;
break;
}
}
UnsafeBuffer remap = new UnsafeBuffer(vCount * 2);
ushort * pRemap = (ushort *)remap.Address;
//Create remap table
for (int i = 0; i < vCount; i++)
{
//Create vertex and look for match
Vertex3 v = new Vertex3(bindMatrix * pVert[i]);
int index = 0;
while (index < vertList.Count)
{
if (v.Equals(vertList[index]))
{
break;
}
index++;
}
if (index == vertList.Count)
{
vertList.Add(v);
}
pRemap[i] = (ushort)index;
}
//Remap vertex indices and fix normals
for (int i = 0; i < manager._pointCount; i++, pVInd++)
{
*pVInd = pRemap[*pVInd];
if (pNorms != null)
{
pNorms[i] = bindMatrix.GetRotationMatrix() * pNorms[i];
}
}
remap.Dispose();
return(manager);
}
