public void VlidateMove(IFigure figure, IBoard board, Move move)
{
Position from = move.From;
Position to = move.To;
if (from.Row != to.Row && from.Col != to.Col)
{
throw new InvalidOperationException("Rook cannot move this way!");
}
if (to.Col > from.Col)
{
this.RightChecker(board, from, to);
return;
}
else if (to.Col < from.Col)
{
this.LeftChecker(board, from, to);
return;
}
else if (to.Row > from.Row)
{
this.TopChecker(board, from, to);
return;
}
else if (to.Row < from.Row)
{
this.DownChecker(board, from, to);
return;
}
else
{
throw new InvalidOperationException("Rook cannot move this way!");
}
}
// TODO: Castling checking
public void VlidateMove(IFigure figure, IBoard board, Move move)
{
Position from = move.From;
Position to = move.To;
bool condition = (
((from.Col + 1) == to.Col) ||
((from.Col - 1) == to.Col) ||
((from.Row + 1) == to.Row) ||
((from.Row - 1) == to.Row) ||
(((from.Row + 1) == to.Row) && ((from.Col + 1) == to.Col)) ||
(((from.Row - 1) == to.Row) && ((from.Col + 1) == to.Col)) ||
(((from.Row - 1) == to.Row) && ((from.Col - 1) == to.Col)) ||
(((from.Row + 1) == to.Row) && ((from.Col - 1) == to.Col))
);
if (condition)
{
return;
}
else
{
throw new InvalidOperationException("King cannot move this way!");
}
}
public void VlidateMove(IFigure figure, IBoard board, Move move)
{
Position from = move.From;
Position to = move.To;
if ((from.Row + 2) == to.Row && (from.Col - 1) == to.Col)
{
return;
}
else if ((from.Row + 2) == to.Row && (from.Col + 1) == to.Col)
{
return;
}
else if ((from.Row + 1) == to.Row && (from.Col + 2) == to.Col)
{
return;
}
else if ((from.Row - 1) == to.Row && (from.Col + 2) == to.Col)
{
return;
}
else if ((from.Row - 2) == to.Row && (from.Col + 1) == to.Col)
{
return;
}
else if ((from.Row - 2) == to.Row && (from.Col - 1) == to.Col)
{
return;
}
else if ((from.Row - 1) == to.Row && (from.Col - 2) == to.Col)
{
return;
}
else if ((from.Row + 1) == to.Row && (from.Col - 2) == to.Col)
{
return;
}
else
{
throw new InvalidOperationException("Knight cannot move this way!");
}
}
public void VlidateMove(IFigure figure, IBoard board, Move move)
{
Position from = move.From;
Position to = move.To;
var rowDistance = Math.Abs(move.From.Row - move.To.Row);
var colDistance = Math.Abs(move.From.Col - move.To.Col);
if (rowDistance != colDistance)
{
throw new InvalidOperationException("Bishop cannot move this way!");
}
if (to.Row > from.Row)
{
if (to.Col > from.Col)
{
this.TopRightChecker(board, from, to);
return;
}
if (to.Col < from.Col)
{
this.TopLeftChecker(board, from, to);
return;
}
}
if (to.Row < from.Row)
{
if (to.Col > from.Col)
{
this.DownRightChecker(board, from, to);
return;
}
if (to.Col < from.Col)
{
this.DownLeftChecker(board, from, to);
return;
}
}
throw new InvalidOperationException("Bishop cannot move this way!");
}
public void VlidateMove(IFigure figure, IBoard board, Move move)
{
var color = figure.Color;
var other = figure.Color == ChessColor.White ? ChessColor.Black : ChessColor.White;
var from = move.From;
var to = move.To;
var figureAtPosition = board.GetFigureAtPosition(to);
if (color == ChessColor.White && to.Row < from.Row)
{
throw new InvalidOperationException(PawnBackwardsErrorMessage);
}
if (color == ChessColor.Black && to.Row > from.Row)
{
throw new InvalidOperationException(PawnBackwardsErrorMessage);
}
if (color == ChessColor.White)
{
if (from.Row + 1 == to.Row && this.CheckDiagonalMove(from, to))
{
if (this.CheckOtherFigureIfValid(board, to, other))
{
return;
}
}
if (from.Row == 2 && from.Col == to.Col)
{
if (from.Row + 2 == to.Row && figureAtPosition == null)
{
return;
}
}
if (from.Row + 1 == to.Row && from.Col == to.Col)
{
if (figureAtPosition == null)
{
return;
}
}
}
else if (color == ChessColor.Black)
{
if (from.Row - 1 == to.Row && this.CheckDiagonalMove(from, to))
{
if (this.CheckOtherFigureIfValid(board, to, other))
{
return;
}
}
if (from.Row == 7 && from.Col == to.Col)
{
if (from.Row - 2 == to.Row && figureAtPosition == null)
{
return;
}
}
if (from.Row - 1 == to.Row && from.Col == to.Col)
{
if (figureAtPosition == null)
{
return;
}
}
}
throw new InvalidOperationException(PawnInvalidMove);
}