public void DestinyPositionValidation(Position origin, Position destiny)
{
if (!Board.ChessPiece(origin).CanMoveTo(destiny))
{
throw new ChessBoardException("Posição de Destino inválida!");
}
}
public override bool[,] PossibleMovements()
{
bool[,] chessmanPossibleMoves = new bool[Board.Rows, Board.Columns];
Position movementPosition = new Position(0, 0);
movementPosition.SetValues(PiecePosition.Row - 1, PiecePosition.Column - 1);
while (Board.ValidatePosition(movementPosition) && CanMove(movementPosition))
{
chessmanPossibleMoves[movementPosition.Row, movementPosition.Column] = true;
if (Board.ChessPiece(movementPosition) != null && Board.ChessPiece(movementPosition).PieceColor != PieceColor)
{
break;
}
movementPosition.SetValues(PiecePosition.Row - 1, PiecePosition.Column - 1);
}
movementPosition.SetValues(PiecePosition.Row - 1, PiecePosition.Column + 1);
while (Board.ValidatePosition(movementPosition) && CanMove(movementPosition))
{
chessmanPossibleMoves[movementPosition.Row, movementPosition.Column] = true;
if (Board.ChessPiece(movementPosition) != null && Board.ChessPiece(movementPosition).PieceColor != PieceColor)
{
break;
}
movementPosition.SetValues(PiecePosition.Row - 1, PiecePosition.Column + 1);
}
movementPosition.SetValues(PiecePosition.Row + 1, PiecePosition.Column + 1);
while (Board.ValidatePosition(movementPosition) && CanMove(movementPosition))
{
chessmanPossibleMoves[movementPosition.Row, movementPosition.Column] = true;
if (Board.ChessPiece(movementPosition) != null && Board.ChessPiece(movementPosition).PieceColor != PieceColor)
{
break;
}
movementPosition.SetValues(PiecePosition.Row + 1, PiecePosition.Column + 1);
}
movementPosition.SetValues(PiecePosition.Row + 1, PiecePosition.Column - 1);
while (Board.ValidatePosition(movementPosition) && CanMove(movementPosition))
{
chessmanPossibleMoves[movementPosition.Row, movementPosition.Column] = true;
if (Board.ChessPiece(movementPosition) != null && Board.ChessPiece(movementPosition).PieceColor != PieceColor)
{
break;
}
movementPosition.SetValues(PiecePosition.Row + 1, PiecePosition.Column - 1);
}
return(chessmanPossibleMoves);
}
public void OriginPositionValidation(Position position)
{
if (Board.ChessPiece(position) == null)
{
throw new ChessBoardException("Não existe peça na posição de origem escolhida!");
}
if (CurrentPlayer != Board.ChessPiece(position).PieceColor)
{
throw new ChessBoardException("A peça de origem escolhida não é sua!");
}
if (!Board.ChessPiece(position).PossibleMovementsExists())
{
throw new ChessBoardException("Não há movimentos possíveis para a peça de origem escolhida!");
}
}
private bool CanMove(Position position)
{
Chessman chessman = Board.ChessPiece(position);
return(chessman == null || chessman.PieceColor != PieceColor);
}
private bool Empty(Position position)
{
return(Board.ChessPiece(position) == null);
}
private bool ExistEnemy(Position position)
{
Chessman chessman = Board.ChessPiece(position);
return(chessman != null && chessman.PieceColor != PieceColor);
}