crazyhouseboard.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 CRAZYHOUSEBOARD_H
#define CRAZYHOUSEBOARD_H

#include "westernboard.h"

namespace Chess {

class LIB_EXPORT CrazyhouseBoard : public WesternBoard
{
    public:
        CrazyhouseBoard();

        // Inherited from WesternBoard
        virtual Board* copy() const;
        virtual QList<Piece> reservePieceTypes() const;
        virtual QString variant() const;
        virtual bool variantHasDrops() const;
        virtual QString defaultFenString() const;

    protected:
        enum CrazyhousePieceType
        {
            PromotedKnight = 7, 
            PromotedBishop,     
            PromotedRook,       
            PromotedQueen,      
        };

        virtual int promotedPieceType(int type) const;
        virtual bool pawnDropOkOnRank(int rank) const;

        // Inherited from WesternBoard
        virtual int reserveType(int pieceType) const;
        virtual QString sanMoveString(const Move& move);
        virtual Move moveFromSanString(const QString& str);
        virtual void vMakeMove(const Move& move,
                       BoardTransition* transition);
        virtual void vUndoMove(const Move& move);
        virtual void generateMovesForPiece(QVarLengthArray<Move>& moves,
                           int pieceType,
                           int square) const;

    private:
        static int normalPieceType(int type);
        void normalizePieces(Piece piece, QVarLengthArray<int>& squares);
        void restorePieces(Piece piece, const QVarLengthArray<int>& squares);
};

} // namespace Chess
#endif // CRAZYHOUSEBOARD_H