NScumm.Sky.Screen.ShowGrid C# (CSharp) Méthode

        public void ShowGrid(byte[] grid)
        {
            uint gridData = 0;
            byte bitsLeft = 0;
            var gridBuf = 0;
            for (ushort cnty = 0; cnty < GameScreenHeight >> 3; cnty++)
            {
                for (ushort cntx = 0; cntx < GameScreenWidth >> 3; cntx++)
                {
                    if (bitsLeft == 0)
                    {
                        bitsLeft = 32;
                        gridData = grid.ToUInt32(gridBuf);
                        gridBuf += 4;
                    }
                    if ((gridData & 0x80000000) != 0)
                        PaintBox((ushort)(cntx << 3), (ushort)(cnty << 3));
                    bitsLeft--;
                    gridData <<= 1;
                }
            }
            _system.GraphicsManager.CopyRectToScreen(Current, GameScreenWidth, 0, 0, GameScreenWidth, GameScreenHeight);
        }