private List <List <int> > ConvertBoard()
{
List <List <int> > boardIndexes = new List <List <int> >();
List <ulong> boardList = chessboard.BoardList();
foreach (ulong b in boardList)
{
boardIndexes.Add(Moves.ConvertBitboard(b));
}
return(boardIndexes);
}
public void MoveCharEnpassant(int new_index)
{
ulong enpassant = Moves.GetEnPassant(new_index, chessboard);
if (enpassant != 0)
{
int enp_index = Moves.ConvertBitboard(enpassant)[0];
int enp_rank = enp_index / 8;
int enp_file = enp_index % 8;
_myboard[enp_rank, enp_file] = '-';
_captured = true;
}
}
private void DisplayMoves(ulong moves)
{
ResetColor();
List <int> valid_moves = Moves.ConvertBitboard(moves);
foreach (int i in valid_moves)
{
buttons[i].Background = Brushes.Green;
}
if (board.DisplayCheck)
{
DisplayCheck();
}
}
public void MoveCharCastle()
{
if (_castle[0] != 0)
{
int og_castle = Moves.ConvertBitboard(_castle[1])[0];
int new_castle = Moves.ConvertBitboard(_castle[0])[0];
int og_rank = og_castle / 8;
int og_file = og_castle % 8;
int new_rank = new_castle / 8;
int new_file = new_castle % 8;
char piece = _myboard[og_rank, og_file];
_myboard[og_rank, og_file] = '-';
_myboard[new_rank, new_file] = piece;
}
}
public bool IsCheck(ulong move, int selected, Game.PieceColor color)
{
List <int> index = Moves.ConvertBitboard(move);
MoveBitBoard(selected, index[0]);
ulong attacks;
ulong king;
if (color == Game.PieceColor.White)
{
king = chessboard.WhiteKing;
attacks = Moves.GetAllBlackMoves(chessboard);
}
else
{
king = chessboard.BlackKing;
attacks = Moves.GetAllWhiteMoves(chessboard);
}
UndoLastMoveBitBoard();
return((king & attacks) != 0);
}