internal static BitBoard GetAllTargets(byte pieceColor, BitBoard bishops, Board board)
{
BitBoard occupiedSquares = board.OccupiedSquares;
BitBoard targets = Constants.Empty;
int square;
square = BitBoard.BitScanForward(bishops);
targets |= MovePackHelper.GetA1H8DiagonalAttacks(occupiedSquares, square);
targets |= MovePackHelper.GetH1A8DiagonalAttacks(occupiedSquares, square);
return targets & ~board.GetPlayerPieces();
}
internal static BitBoard GetAllTargets(byte pieceColor, BitBoard rooks, Board board)
{
BitBoard occupiedSquares = board.OccupiedSquares;
BitBoard targets = Constants.Empty;
int square;
square = BitBoard.BitScanForward(rooks);
targets |= MovePackHelper.GetRankAttacks(occupiedSquares, square);
targets |= MovePackHelper.GetFileAttacks(occupiedSquares, square);
return targets & ~board.GetPlayerPieces();
}
internal static BitBoard GetAllTargets(byte pieceColor, BitBoard knights, Board board)
{
BitBoard targets = MovePackHelper.KnightAttacks[(BitBoard.BitScanForward(knights))];
return targets & ~board.GetPlayerPieces();
}
internal static BitBoard GetAllTargets(byte pieceColor, BitBoard king, Board board)
{
BitBoard kingMoves = MovePackHelper.KingAttacks[(BitBoard.BitScanForward(king))];
return kingMoves & ~board.GetPlayerPieces();
}