public bool CanMove(FigureMoving fm)
{
this.fm = fm;
return
(CanMoveForm() &&
CanMoveTo() &&
CanFigureMove());
}
public Board Move(FigureMoving fm)
{
Board next = new Board(fen);
next.SetFigureAt(fm.from, Figure.none);
next.SetFigureAt(fm.to, fm.promotion == Figure.none ? fm.figure : fm.promotion);
if (moveColor == Color.black)
{
next.moveNumber++;
}
next.moveColor = moveColor.FlipColor();
next.GenerateFEN();
return(next);
}
bool CanEatKing()
{
Square badKing = FindBadKing();
Moves moves = new Moves(this);
foreach (FigureOnSquare fs in YieldFigures())
{
FigureMoving fm = new FigureMoving(fs, badKing);
if (moves.CanMove(fm))
{
return(true);
}
}
return(false);
}
public Chess Move(string move)
{
FigureMoving fm = new FigureMoving(move);
if (!moves.CanMove(fm))
{
return(this);
}
if (board.IsCheckAfterMove(fm))
{
return(this);
}
Board nextBoard = board.Move(fm);
Chess nextChess = new Chess(nextBoard);
return(nextChess);
}
void FindAllMoves()
{
allMoves = new List <FigureMoving>();
foreach (FigureOnSquare fs in board.YieldFigures())
{
foreach (Square to in Square.YieldSquares())
{
FigureMoving fm = new FigureMoving(fs, to);
if (moves.CanMove(fm))
{
if (!board.IsCheckAfterMove(fm))
{
allMoves.Add(fm);
}
}
}
}
}
public bool IsCheckAfterMove(FigureMoving fm)
{
Board after = Move(fm);
return(after.CanEatKing());
}