extinctionboard.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 EXTINCTIONBOARD_H
#define EXTINCTIONBOARD_H

#include "standardboard.h"

namespace Chess {

class LIB_EXPORT ExtinctionBoard : public StandardBoard
{
    public:
        ExtinctionBoard(const QSet<int>& set
                = QSet<int>{King, Queen, Rook, Bishop, Knight, Pawn},
                bool allPromotions = true);

        // Inherited from StandardBoard
        virtual Board* copy() const;
        virtual QString variant() const;
        virtual QString defaultFenString() const;
        virtual Result result();
    protected:
        // Inherited from StandardBoard
        virtual bool kingsCountAssertion(int whiteKings,
                         int blackKings) const;
        virtual bool inCheck(Side side, int square = 0) const;
        virtual void addPromotions(int sourceSquare,
                       int targetSquare,
                       QVarLengthArray<Move>& moves) const;

    private:
        bool m_allPromotions;
        QVarLengthArray<int> m_pieceSet;
        Piece extinctPiece(Side side) const;
};


class LIB_EXPORT KingletBoard : public ExtinctionBoard
{
    public:
        KingletBoard();
        virtual Board *copy() const;
        virtual QString variant() const;
};

} // namespace Chess
#endif // EXTINCTIONBOARD_H