public PrimitiveManager(MDL0Object* polygon, AssetStorage assets, IMatrixNode[] nodes, MDL0ObjectNode p)
{
_polygon = p;
byte*[] pAssetList = new byte*[12];
byte*[] pOutList = new byte*[12];
int id;
//This relies on the header being accurate!
_indices = new UnsafeBuffer(2 * (_pointCount = polygon->_numVertices));
_faceCount = polygon->_numFaces;
//Compile decode script by reading the polygon def list
//This sets how to read the facepoints
ElementDescriptor desc = new ElementDescriptor(polygon);
//Grab asset lists in sequential order.
if ((id = polygon->_vertexId) >= 0 && desc.HasData[0] && assets.Assets[0] != null)
{
pOutList[0] = (byte*)(_faceData[0] = new UnsafeBuffer(12 * _pointCount)).Address;
pAssetList[0] = (byte*)assets.Assets[0][id].Address;
}
if ((id = polygon->_normalId) >= 0 && desc.HasData[1] && assets.Assets[1] != null)
{
pOutList[1] = (byte*)(_faceData[1] = new UnsafeBuffer(12 * _pointCount)).Address;
pAssetList[1] = (byte*)assets.Assets[1][id].Address;
}
for (int i = 0, x = 2; i < 2; i++, x++)
if ((id = ((bshort*)polygon->_colorIds)[i]) >= 0 && desc.HasData[x] && assets.Assets[2] != null)
{
pOutList[x] = (byte*)(_faceData[x] = new UnsafeBuffer(4 * _pointCount)).Address;
pAssetList[x] = (byte*)assets.Assets[2][id].Address;
}
for (int i = 0, x = 4; i < 8; i++, x++)
if ((id = ((bshort*)polygon->_uids)[i]) >= 0 && desc.HasData[x] && assets.Assets[3] != null)
{
pOutList[x] = (byte*)(_faceData[x] = new UnsafeBuffer(8 * _pointCount)).Address;
pAssetList[x] = (byte*)assets.Assets[3][id].Address;
}
//Extract primitives, using our descriptor and asset lists
fixed (byte** pOut = pOutList)
fixed (byte** pAssets = pAssetList)
ExtractPrimitives(polygon, ref desc, pOut, pAssets);
//Compile merged vertex list
_vertices = desc.Finish((Vector3*)pAssetList[0], nodes);
ushort* pIndex = (ushort*)_indices.Address;
for (int x = 0; x < _pointCount; x++)
if (pIndex[x] >= 0 && pIndex[x] < _vertices.Count)
_vertices[pIndex[x]]._faceDataIndices.Add(x);
}
