public static ulong GetBlackCastleMoves(int rank, int file, ulong piececolor, Board board, ChessBoard chessboard)
{
ulong ks = 0;
ulong qs = 0;
int index = rank * 8 + file;
ulong piece = (ulong)0x1 << index;
if (board.InCheck(Game.PieceColor.Black))
{
return(0);
}
if (chessboard.BlackKingSide && ((piece << 1) & ~piececolor) != 0 && !board.IsCheck(piece << 1, index, Game.PieceColor.Black))
{
ks = piece << 2;
}
if (chessboard.BlackQueenSide && ((piece >> 1) & ~piececolor) != 0 && ((piece >> 3) & ~piececolor) != 0 && !board.IsCheck(piece >> 1, index, Game.PieceColor.Black))
{
qs = piece >> 2;
}
ulong castles = ks | qs;
return(castles & ~piececolor);
}
private int StaticScore()
{
if (Win(mycolor))
{
GameOver = true;
return(WINSCORE);
}
if (Win(game.OppositeColor(mycolor)))
{
GameOver = true;
return(-WINSCORE);
}
int score = 0;
List <List <int> > boardList = ConvertBoard();
List <int[, ]> scorecharts = new List <int[, ]> {
whitepawnscore, whiteknightscore, whitebishopscore, whiterookscore, whitekingmiddlescore, whitequeenscore,
blackpawnscore, blackknightscore, blackbishopscore, blackrookscore, blackkingmiddlescore, blackqueenscore
};
for (int i = 0; i < 12; i++)
{
if (i == 4 && IsEndGame())
{
score += StaticPieceScore(whitekingendscore, boardList[i]);
}
else if (i == 10 && IsEndGame())
{
score += StaticPieceScore(blackkingendscore, boardList[i]);
}
else
{
score += StaticPieceScore(scorecharts[i], boardList[i]);
}
}
if (board.InCheck(mycolor))
{
score -= 100;
}
if (board.InCheck(game.OppositeColor(mycolor)))
{
score += 100;
}
return(score);
}