public bool CanMove(FigureMoving fm)
{
this.fm = fm;
return
(CanMoveFrom() &&
CanMoveTo() &&
CanFigureMove() &&
!board.IsCheckAfterMove(fm));
}
public Chess Move(string move)
{
var fm = new FigureMoving(move);
//if (!moves.CanMove(fm))
// return this; // Cannot move exceptions TODO
var nextBoard = _board.Move(fm);
var nextChess = new Chess(nextBoard);
return(nextChess);
}
public IEnumerable <string> YieldValidMoves()
{
foreach (FigureOnSquare fs in _board.YieldFigures())
{
foreach (Square to in Square.YieldSquares())
{
FigureMoving fm = new FigureMoving(fs, to);
if (moves.CanMove(fm))
{
yield return(fm.ToString());
}
}
}
}
public Board Move(FigureMoving figure)
{
var newBoard = new Board(Fen);
newBoard.SetFigureAt(figure.From, Figure.none);
newBoard.SetFigureAt(figure.To, figure.Promotion == Figure.none ? figure.Figure : figure.Promotion);
if (moveColor == Color.black)
{
newBoard.MoveNumber++;
}
newBoard.moveColor = moveColor.FlipColor();
newBoard.GenerateFen();
return(newBoard);
}
private void FindAllMoves()
{
allMoves = new List <FigureMoving>();
foreach (var fs in _board.YieldFigures())
{
foreach (var to in Square.YieldSquares())
{
var fm = new FigureMoving(fs, to);
if (!moves.CanMove(fm))
{
continue;
}
if (!_board.IsCheckAfterMove(fm))
{
allMoves.Add(fm);
}
}
}
}
public bool IsCheckAfterMove(FigureMoving fm)
{
var after = Move(fm);
return(after.CanEatKing());
}