syzygytablebase.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 SYZYGYTABLEBASE_H
#define SYZYGYTABLEBASE_H

#include <QFlags>
#include <QList>
#include <QPair>
#include "result.h"
#include "square.h"
#include "piece.h"

class LIB_EXPORT SyzygyTablebase
{
    public:
        enum CastlingFlag
        {
            NoCastling = 0x0,       
            WhiteKingSide  = 0x8,   
            WhiteQueenSide = 0x4,   
            BlackKingSide  = 0x2,   
            BlackQueenSide = 0x1    
        };
        Q_DECLARE_FLAGS(Castling, CastlingFlag)

        
        typedef QList< QPair<Chess::Square, Chess::Piece> > PieceList;

        static bool initialize(const QString& paths);
        static bool tbAvailable(int pieces);
        static void setPieces(int pieces);
        static void setNoRule50();
        static Chess::Result result(const Chess::Side& side,
                        const Chess::Square& enpassantSq,
                        Castling castling,
                        int rule50,
                        const PieceList& pieces,
                        unsigned int* dtz = nullptr);

    private:
        SyzygyTablebase();
};

#endif // SYZYGYTABLEBASE_H