private static bool captureKernel(BoardBase board, List <Tuple <byte, byte> > captureList, byte row, byte col, WColor color)
{
WColor flipColor = ColorUtils.Flip(color);
if (!BoardUtil.CheckBounds(board.Size, row, col))
{
return(true);
}
else if (board[row, col] == flipColor)
{
return(true);
}
else if (board.GetMark(row, col) == Mark.MARK1)
{
return(true);
}
else if (board[row, col] == WColor.EMPTY)
{
return(false);
}
else
{
captureList.Add(new Tuple <byte, byte>(row, col));
board.Mark(row, col, Mark.MARK1);
return(
captureKernel(board, captureList, (byte)(row + 1), col, color) &&
captureKernel(board, captureList, (byte)(row - 1), col, color) &&
captureKernel(board, captureList, row, (byte)(col + 1), color) &&
captureKernel(board, captureList, row, (byte)(col - 1), color)
);
}
}
public static bool CheckMove(BoardBase status, WColor turn, byte row, byte col)
{
BoardStatus toCheck = new BoardStatus(status.Size);
toCheck.Board = new BoardBase(status);
toCheck.Turn = turn;
bool ret = Move(ref toCheck, row, col);
return(ret);
}
private static List <Tuple <byte, byte> > Capture(BoardStatus newStatus, byte row, byte col, WColor color)
{
var capturedStones = new List <Tuple <byte, byte> >();
BoardBase bbTemp = new BoardBase(newStatus.Board);
if (!captureKernel(bbTemp, capturedStones, row, col, color))
{
capturedStones.Clear();
}
return(capturedStones);
}
public BoardBase(BoardBase b) : base(b)
{
}
public BoardStatus(BoardStatus bs)
{
Board = new BoardBase(bs.Board);
Turn = bs.Turn;
}
public BoardStatus(byte size)
{
Board = new BoardBase(size);
Turn = WColor.EMPTY;
}