/// Parse visual server indices to physical indices.
/// Merge all overlapping vertices and create a map of physical vertices to visual server
/// Parse rendering server indices to physical indices.
/// Merge all overlapping vertices and create a map of physical vertices to rendering server
{
/// This is the map of visual server indices to physics indices (So it's the inverse of idices_map), Thanks to it I don't need make a heavy search in the indices_map
/// This is the map of rendering server indices to physics indices (So it's the inverse of idices_map), Thanks to it I don't need make a heavy search in the indices_map