gryphonboard.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 GRYPHONBOARD_H
#define GRYPHONBOARD_H

#include "westernboard.h"
#include <QStack>

namespace Chess {

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

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

    protected:
        virtual void vInitialize();
        virtual bool kingsCountAssertion(int whiteKings,
                         int blackKings) const;
        virtual bool inCheck(Side side, int square = 0) const;
        virtual void vMakeMove(const Move& move,
                       BoardTransition* transition);
        virtual void vUndoMove(const Move& move);
        virtual bool isLegalPosition();
        virtual void generateMovesForPiece(QVarLengthArray< Move >& moves,
                           int pieceType,
                           int square) const;

        virtual int successorType(int type,
                      bool reversed = false) const;

    private:
        int m_start;
        int m_end;
        QStack<Piece> m_pieceStack;
};


class LIB_EXPORT SimplifiedGryphonBoard : public GryphonBoard
{
    public:
        SimplifiedGryphonBoard();

        // Inherited from GryphonBoard
        virtual Board* copy() const;
        virtual QString variant() const;
        virtual QString defaultFenString() const;

    protected:
        virtual void generateMovesForPiece(QVarLengthArray< Move >& moves,
                           int pieceType,
                           int square) const;
        virtual void vMakeMove(const Move& move,
                       BoardTransition* transition);
        virtual void vUndoMove(const Move& move);

    private:
        int m_captures[2];
};


class LIB_EXPORT CircularGryphonBoard : public GryphonBoard
{
    public:
        CircularGryphonBoard();

        // Inherited from GryphonBoard
        virtual Board* copy() const;
        virtual QString variant() const;
        virtual QString defaultFenString() const;

    protected:
        virtual bool kingsCountAssertion(int whiteKings,
                         int blackKings) const;
        virtual bool inCheck(Side side,
                     int square = 0) const;
        virtual int successorType(int type,
                      bool reversed = false) const;
};



class LIB_EXPORT ChangeOverBoard : public CircularGryphonBoard
{
    public:
        ChangeOverBoard();

        // Inherited from GryphonBoard
        virtual Board* copy() const;
        virtual QString variant() const;
        virtual QString defaultFenString() const;

    protected:
        virtual int successorType(int type,
                      bool reversed = false) const;
        virtual void generateMovesForPiece(QVarLengthArray< Move >& moves,
                           int pieceType,
                           int square) const;
        virtual bool isLegalPosition();
};

} // namespace Chess
#endif // GRYPHONBOARD_H