/// <summary>
/// Create a physics mesh from data that comes with the prim. The actual data used depends on the prim type.
/// </summary>
/// <param name="primName"></param>
/// <param name="primShape"></param>
/// <param name="size"></param>
/// <param name="lod"></param>
/// <returns></returns>
private Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, float lod, bool convex)
{
// m_log.DebugFormat(
// "[MESH]: Creating physics proxy for {0}, shape {1}",
// primName, (OpenMetaverse.SculptType)primShape.SculptType);
List<Coord> coords;
List<Face> faces;
if (primShape.SculptEntry)
{
if (((OpenMetaverse.SculptType)primShape.SculptType) == SculptType.Mesh)
{
if (!useMeshiesPhysicsMesh)
return null;
if (!GenerateCoordsAndFacesFromPrimMeshData(primName, primShape, out coords, out faces, convex))
return null;
}
else
{
if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, lod, out coords, out faces))
return null;
}
}
else
{
if (!GenerateCoordsAndFacesFromPrimShapeData(primName, primShape, lod, out coords, out faces))
return null;
}
int numCoords = coords.Count;
int numFaces = faces.Count;
Mesh mesh = new Mesh();
// Add the corresponding triangles to the mesh
for (int i = 0; i < numFaces; i++)
{
Face f = faces[i];
mesh.Add(new Triangle(coords[f.v1].X, coords[f.v1].Y, coords[f.v1].Z,
coords[f.v2].X, coords[f.v2].Y, coords[f.v2].Z,
coords[f.v3].X, coords[f.v3].Y, coords[f.v3].Z));
}
coords.Clear();
faces.Clear();
if(mesh.numberVertices() < 3 || mesh.numberTriangles() < 1)
{
m_log.ErrorFormat("[MESH]: invalid degenerated mesh for prim " + primName + " ignored");
return null;
}
primShape.SculptData = Utils.EmptyBytes;
return mesh;
}