public static bool IsSafe(ChessBoard board)
{
Square current = Piece.GetPosition(board, (sbyte)DefaultPieces.WhiteKing);
char file = current.file; int rank = current.rank;
List <Square> result = WhitePiece.GetPossibleBlackAttackersToSquare(board, current);
return(result.Count == 0);
}
// Code Review: Надто об'ємний метод.
// Code Review: Аргументи методу повинні починатися з малої літери.
private static ChessBoard PerformCastling(ChessBoard board, bool IsWhite, bool IsKingCastling, out char kingfile)
{
ChessBoard tempboard = board.ShallowCopy();
sbyte castlingrank;
sbyte kingsbyte;
sbyte rooksbyte;
char rookfile;
if (IsWhite)
{
castlingrank = 1;
kingsbyte = (sbyte)DefaultPieces.WhiteKing;
rooksbyte = (sbyte)DefaultPieces.WhiteRook;
}
else
{
castlingrank = 8;
kingsbyte = (sbyte)DefaultPieces.BlackKing;
rooksbyte = (sbyte)DefaultPieces.BlackRook;
}
kingfile = Piece.GetPosition(board, kingsbyte).file;
if (IsKingCastling)
{
rookfile = 'h';
for (char tfile = 'h'; tfile >= 'c'; tfile--)
{
if (board[tfile, castlingrank] == rooksbyte)
{
rookfile = tfile;
break;
}
}
tempboard = Piece.PerformMove(tempboard, new Square(kingfile, castlingrank), new Square('g', castlingrank));
tempboard = Piece.PerformMove(tempboard, new Square(rookfile, castlingrank), new Square('f', castlingrank));
}
else
{
rookfile = 'a';
for (char tfile = 'a'; tfile <= 'f'; tfile++)
{
if (board[tfile, castlingrank] == rooksbyte)
{
rookfile = tfile;
break;
}
}
tempboard = Piece.PerformMove(tempboard, new Square(kingfile, castlingrank), new Square('c', castlingrank));
tempboard = Piece.PerformMove(tempboard, new Square(rookfile, castlingrank), new Square('d', castlingrank));
}
return(tempboard);
}