public override void ValidateMove(IFigure figure, IBoard board, Move move)
{
var color = figure.Color;
var from = move.From;
var to = move.To;
if (color == ChessColor.White &&
to.Row < from.Row)
{
throw new InvalidOperationException(ILLEGAL_PAWN_DIRECTION_MOVE);
}
if (color == ChessColor.Black &&
to.Row > from.Row)
{
throw new InvalidOperationException(ILLEGAL_PAWN_DIRECTION_MOVE);
}
if (CheckDiagonalMove(figure, board, from, to))
{
figure.IncreaseRank();
return;
}
var other = board.GetFigureAtPosition(to);
if (CheckAnPasseren(figure, other, from, to))
{
figure.SetInPassing();
return;
}
if (CheckOneStepMove(figure, from, to, color, other))
{
figure.IncreaseRank();
return;
}
;
if (CheckPassing(figure, board, to))
{
figure.IncreaseRank();
return;
}
throw new InvalidOperationException(string.Format(ILLEGAL_PAWN_DESTINATION, to.Col, to.Row));
}