shatranjboard.h

/*
    This file is part of Cute Chess.

    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 SHATRANJBOARD_H
#define SHATRANJBOARD_H

#include "westernboard.h"

namespace Chess {

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

        // Inherited from WesternBoard
        virtual Board* copy() const;
        virtual QString variant() const;
        virtual QString defaultFenString() const;
        virtual Result result();

    protected:
        enum ShatranjPieceType
        {
            Ferz = Queen,
            Alfil = Bishop
        };

        static const unsigned FerzMovement = 16;
        static const unsigned AlfilMovement = 32;

        // Inherited from WesternBoard
        virtual bool hasCastling() const;
        virtual bool pawnHasDoubleStep() const;
        virtual void vInitialize();
        virtual bool inCheck(Side side, int square = 0) const;
        virtual void generateMovesForPiece(QVarLengthArray<Move>& moves,
                           int pieceType,
                           int square) const;
        virtual void addPromotions(int sourceSquare,
                       int targetSquare,
                       QVarLengthArray<Move>& moves) const;

        virtual bool canBareOpponentKing();
    private:
        QVarLengthArray<int> m_ferzOffsets;
        QVarLengthArray<int> m_alfilOffsets;
        bool bareKing(Side side, int count = 0) const;
};

} // namespace Chess
#endif // SHATRANJBOARD_H