public bool IsCheckAfterMove(FigureMoving fm)
{
Board after = Move(fm);
bool result = after.CanEatKing();
return(result);
}
public bool CanMove(FigureMoving fm)
{
this.fm = fm;
bool result = CanMoveFrom() &&
CanMoveTo() &&
CanFigureMove();
return(result);
}
public Board Move(FigureMoving fm)
{
Board next = new Board(Fen);
Figure figure = (fm.Promotion == Figure.none) ? fm.Figure : fm.Promotion;
next.SetFigureAt(fm.From, Figure.none); //remove the figure from the previous square
next.SetFigureAt(fm.To, figure); //set new figure on the correspoding square
next.MoveColor = MoveColor.FlipColor();
next.GenerateFen();
return(next);
}
private bool CanEatKing()
{
Square oppKing = FindOpponentKing();
Moves moves = new Moves(this);
foreach (FigureOnSquare fs in YieldFigures())
{
FigureMoving fm = new FigureMoving(oppKing, fs);
if (moves.CanMove(fm))
{
return(true);
}
}
return(false);
}
void FindAllMoves()
{
allPossibleMoves = new List <FigureMoving>();
foreach (FigureOnSquare fs in board.YieldFigures())
{
foreach (Square to in Square.YieldSquares())
{
FigureMoving fm = new FigureMoving(to, fs);
if (moves.CanMove(fm))
{
if (!board.IsCheckAfterMove(fm))
{
allPossibleMoves.Add(fm);
}
}
}
}
}
public Chess Move(string move) //Example: move = Ke2e4 (K = king, e2 = old move, e4 = new move)
{
FigureMoving fm = new FigureMoving(move); //fm = from, to, figure, promotion
if (!moves.CanMove(fm))
{
return(this);
}
if (board.IsCheckAfterMove(fm))
{
return(this); //the same board
}
Board nextBoard = board.Move(fm); //отвечает за ход, содержит всю инфу о доске, массив фигур, фен от которого отталкивается при пост новой доски, после хода
Chess nextChess = new Chess(nextBoard); //запускает игру
return(nextChess);
}
