public IEnumerable <FigureOnSquare> YieldMyFigureSquares()
{
foreach (Square square in Square.YieldBoardSquares())
{
if (GetFigureAt(square).GetColor() == moveColor)
{
yield return(new FigureOnSquare(GetFigureAt(square), square));
}
}
}
private Square FindBadKing()
{
Figure badKing = moveColor == Color.white ? Figure.blackKing : Figure.whiteKing;
foreach (Square square in Square.YieldBoardSquares())
{
if (GetFigureAt(square) == badKing)
{
return(square);
}
}
return(Square.none);
}
public IEnumerable <string> YieldValidMoves()
{
foreach (FigureOnSquare fs in board.YieldMyFigureOnSquares())
{
foreach (Square to in Square.YieldBoardSquares())
{
foreach (Figure promotion in fs.figure.YieldPromotions(to))
{
FigureMoving fm = new FigureMoving(fs, to, promotion);
if (moves.CanMove(fm))
{
if (!board.IsCheckAfter(fm))
{
yield return(fm.ToString());
}
}
}
}
}
}
public bool IsDrawSet()
{
int countFigures = 0;
IsDraw = false;
foreach (Square square in Square.YieldBoardSquares())
{
if (countFigures > 2)
{
return(false);
}
Figure figure = board.GetFigureAt(square);
if (figure != Figure.none)
{
countFigures++;
}
}
if (countFigures == 2)
{
IsDraw = true;
return(true);
}
return(false);
}