public override List <Move> getLegalMoves(Board board)
{
List <Move> legalMoves = new List <Move>();
foreach (int argument in Knight.legalMoveArguments)
{
int unCheckedPosition = this.piecePosition + argument;
if (!BoardUtils.checkedForLegalPosition(unCheckedPosition) ||
Knight.firstColumnViolation(this.piecePosition, argument) ||
Knight.secondColumnViolation(this.piecePosition, argument) ||
Knight.seventhColumnViolation(this.piecePosition, argument) ||
Knight.eightColumnViolation(this.piecePosition, argument))
{
continue;
}
else
{
Cell currentCell = board.getCell(unCheckedPosition);
if (!currentCell.isCellOccupied())
{
legalMoves.Add(new NormalMove(board, this, unCheckedPosition));
}
else
{
if (this.pieceSide != currentCell.getPiece().getSide())
{
legalMoves.Add(new AttackMove(board, this, unCheckedPosition, currentCell.getPiece()));
}
}
}
}
return(legalMoves);
}
public override List <Move> calculateKingCastles(List <Move> playerLegalMoves, List <Move> opponentLegalMoves)
{
List <Move> kingCastles = new List <Move>();
if (this.playerKing.isFirstMove() && this.isInCheck() == false)
{
//Check for black king side castle
if (!this.board.getCell(5).isCellOccupied() && !this.board.getCell(6).isCellOccupied())
{
Cell rookCell = this.board.getCell(7);
if (rookCell.isCellOccupied() && rookCell.getPiece().isFirstMove())
{
if (Player.calculateAttacksCells(5, opponentLegalMoves).Any() == false &&
Player.calculateAttacksCells(6, opponentLegalMoves).Any() == false &&
rookCell.getPiece().isRook())
{
kingCastles.Add(new KingSideCastleMove(this.board,
this.playerKing,
6,
(Rook)rookCell.getPiece(),
rookCell.getCellCoordinate(),
5));
}
}
}
//Check for white queen side castle
if (!this.board.getCell(1).isCellOccupied() &&
!this.board.getCell(2).isCellOccupied() &&
!this.board.getCell(3).isCellOccupied())
{
Cell rookCell = this.board.getCell(0);
if (rookCell.isCellOccupied() && rookCell.getPiece().isFirstMove())
{
if (Player.calculateAttacksCells(3, opponentLegalMoves).Any() == false &&
Player.calculateAttacksCells(2, opponentLegalMoves).Any() == false &&
rookCell.getPiece().isRook())
{
kingCastles.Add(new QueenSideCastleMove(this.board,
this.playerKing,
2,
(Rook)rookCell.getPiece(),
rookCell.getCellCoordinate(),
3));
}
}
}
}
return(kingCastles);
}
public override List <Move> getLegalMoves(Board board)
{
List <Move> legalMove = new List <Move>();
foreach (int argument in King.legalMoveArguments)
{
int unCheckedPosition = this.piecePosition + argument;
if (!BoardUtils.checkedForLegalPosition(unCheckedPosition) ||
King.firstColumnViolation(this.piecePosition, argument) ||
King.eightColumnViolation(this.piecePosition, argument))
{
continue;
}
else
{
Cell currentCell = board.getCell(unCheckedPosition);
if (!currentCell.isCellOccupied())
{
legalMove.Add(new NormalMove(board, this, unCheckedPosition));
}
else
{
if (this.pieceSide != currentCell.getPiece().getSide())
{
legalMove.Add(new AttackMove(board, this, unCheckedPosition, currentCell.getPiece()));
}
}
}
}
if (board.CurrentPlayer != null)
{
List <Move> currentPlayerMove = board.CurrentPlayer.getLegalMoves();
List <Move> opponentPlayerMove = board.CurrentPlayer.getOpponent().getLegalMoves();
legalMove.AddRange(board.CurrentPlayer.calculateKingCastles(currentPlayerMove, opponentPlayerMove));
}
return(legalMove);
}
public override List <Move> getLegalMoves(Board board)
{
List <Move> legalMoves = new List <Move>();
foreach (int argument in Bishop.legalMovesArguments)
{
int unCheckedPosition = this.piecePosition;
while (BoardUtils.checkedForLegalPosition(unCheckedPosition))
{
if (firstColumnViolation(unCheckedPosition, argument) ||
eightColumnViolation(unCheckedPosition, argument))
{
break;
}
unCheckedPosition += argument;
if (BoardUtils.checkedForLegalPosition(unCheckedPosition))
{
Cell currentCell = board.getCell(unCheckedPosition);
if (!currentCell.isCellOccupied())
{
legalMoves.Add(new NormalMove(board, this, unCheckedPosition));
}
else
{
if (this.pieceSide != currentCell.getPiece().getSide())
{
legalMoves.Add(new AttackMove(board, this, unCheckedPosition, currentCell.getPiece()));
}
break;
}
}
}
}
return(legalMoves);
}