SpMinLibPlayer.h

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//----------------------------------------------------------------------------
/** @file SpMinLibPlayer.h
    Minimum liberty player - blocks with fewest liberties are most urgent. */
//----------------------------------------------------------------------------

#ifndef SP_MINLIBPLAYER_H
#define SP_MINLIBPLAYER_H

#include "SpSimplePlayer.h"
#include "SpMoveGenerator.h"


//----------------------------------------------------------------------------

/** Tries to maximize minimum liberty of own minus opponent blocks. */
class SpMinLibMoveGenerator
    : public Sp1PlyMoveGenerator
{
public:
    explicit SpMinLibMoveGenerator(const GoBoard& board)
        : Sp1PlyMoveGenerator(board)
    { }

    virtual int Evaluate();

    int LibertyMinimum(SgBlackWhite toplay);
};

//----------------------------------------------------------------------------

/** Simple player using SpMinLibMoveGenerator */
class SpMinLibPlayer
    : public SpSimplePlayer
{
public:
    explicit SpMinLibPlayer(const GoBoard& board)
        : SpSimplePlayer(board, new SpMinLibMoveGenerator(board))
    { }

    std::string Name() const
    {
        return "MinLib";
    }
    
    bool UseFilter() const
    { 
        return true; 
    }
};

#endif