ncheckboard.h

/*
    This file is part of Cute Chess.
    Copyright (C) 2008-2018 Cute Chess authors

    Cute Chess is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Cute Chess is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Cute Chess.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef NCHECKBOARD_H
#define NCHECKBOARD_H

#include "standardboard.h"

namespace Chess {

class LIB_EXPORT NCheckBoard : public StandardBoard
{
    protected:
        NCheckBoard(int n = 3);
    public:
        // Inherited from StandardBoard
        virtual Board* copy() const;
        virtual QString variant() const;
        virtual QString defaultFenString() const;
        virtual Result result();

        int checksToWin(Side side) const;

    protected:
        // Inherited from StandardBoard
        virtual void vInitialize();
        virtual QString vFenIncludeString(FenNotation notation) const;
        virtual bool vSetFenString(const QStringList& fen);
        virtual void vMakeMove(const Move& move,
                       BoardTransition* transition);
        virtual void vUndoMove(const Move& move);

        int checkLimit() const;

    private:
        int m_checkLimit;
        int m_checksToWin[2];
        void setChecksToWin(int whiteCount, int blackCount);
        void updateCheckCounters(Side side, int d);
};

class LIB_EXPORT ThreeCheckBoard : public NCheckBoard
{
    public:
        ThreeCheckBoard();
        virtual Board* copy() const;
};

class LIB_EXPORT FiveCheckBoard : public NCheckBoard
{
    public:
        FiveCheckBoard();
        virtual Board* copy() const;
};

} // namespace Chess
#endif // NCHECKBOARD_H