/// <summary>
/// Inserts a new mesh and returns its index in MeshPointers.
/// </summary>
public int InsertMesh(TRMesh newMesh)
{
//get the final mesh we currently have
TRMesh lastMesh = Meshes[Meshes.Length - 1];
//new mesh pointer will be the current final mesh's pointer plus its length
newMesh.Pointer = lastMesh.Pointer + (uint)lastMesh.Serialize().Length;
List <TRMesh> meshes = Meshes.ToList();
meshes.Add(newMesh);
Meshes = meshes.ToArray();
List <uint> pointers = MeshPointers.ToList();
pointers.Add(newMesh.Pointer);
MeshPointers = pointers.ToArray();
NumMeshPointers++;
//NumMeshData needs the additional mesh size added
NumMeshData += (uint)newMesh.Serialize().Length / 2;
//the pointer index will be the final index in the array
return(MeshPointers.Length - 1);
}
