/***************************************************************************
*   KBlocks, a falling blocks game by KDE                                 *
*   Copyright (C) 2010 University Freiburg <squall.leonhart.cai@gmail.com> *
*                                                                          *
*   This program 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 2 of the License, or      *
*   (at your option) any later version.                                    *
***************************************************************************/
#ifndef EVALUATIONINTERFACE_H
#define EVALUATIONINTERFACE_H

#include "../KBlocksField.h"
#include "../KBlocksPiece.h"

#define DEBUG_EVALUATION
#ifdef  DEBUG_EVALUATION
#define CLASSNAME(class)\
    const char* evaluationName()\
    {\
        return #class;\
    }
#else
#define CLASSNAME(class)
#endif

class EvaluationInterface
{
public:
    EvaluationInterface() {};
    virtual ~EvaluationInterface() {};
    virtual double evaluate(KBlocksField *) = 0;
#ifdef DEBUG_EVALUATION
    virtual const char *evaluationName()
    {
        return "";
    }
#endif
};

class SpecialEvaluationInterface : public EvaluationInterface
{
public:
    SpecialEvaluationInterface()
    {
        mpPiece = 0;
        mpField = 0;
    }
    virtual ~SpecialEvaluationInterface() {};

    virtual double evaluate(KBlocksField *) = 0;
    void setCurrentPiece(KBlocksPiece *piece)
    {
        mpPiece = piece;
    }
    void setCurrentBoard(KBlocksField *field)
    {
        mpField = field;
    }

#ifdef DEBUG_EVALUATION
    virtual const char *evaluationName()
    {
        return "";
    }
#endif

protected:
    KBlocksPiece *mpPiece;
    KBlocksField *mpField;
};

#endif //EVALUATIONINTERFACE_H
