Something

        private unsafe UInt16[,] GetRoomCollisionData(UnmanagedExposed.Level level, UnmanagedExposed.Room1 room1)
        {
            UnmanagedExposed.Coll coll = Util.PointerToStructure<UnmanagedExposed.Coll>(room1.pColl);

            int posX = (int)coll.dwPosGameX - level.dwPosX;
            int posY = (int)coll.dwPosGameY - level.dwPosY;

            int sizeX = (int)coll.dwSizeGameX;
            int sizeY = (int)coll.dwSizeGameY;

            UInt16* data = (UInt16*)(coll.pMapStart + (int)room1.pColl);

            UInt16[,] roomCollisionGraph = new UInt16[sizeX, sizeY];

            for (int y = 0; y < sizeY; y++)
            {
                for (int x = 0; x < sizeX; x++)
                {
                    roomCollisionGraph[x, y] = *data;

                    data++;
                }
            }

            return roomCollisionGraph;
        }