kbbballsonboard.h

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//
// KBlackBox
//
// A simple game inspired by an emacs module
//
/***************************************************************************
 *   Copyright (c) 1999-2000, Robert Cimrman                               *
 *   cimrman3@students.zcu.cz                                              *
 *                                                                         *
 *   Copyright (c) 2007, Nicolas Roffet                                    *
 *   nicolas-kde@roffet.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.                                   *
 *                                                                         *
 *   This program 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 this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA               *
 ***************************************************************************/



#ifndef KBBBALLSONBOARD_H
#define KBBBALLSONBOARD_H


#include <QList>
#include <QObject>


class KBBGameDoc;



#define DIM_X 0
#define DIM_Y 1
#define DIM_MAX 2



class KBBBallsOnBoard : public QObject
{
    Q_OBJECT

    public:
        KBBBallsOnBoard(KBBGameDoc* parent, const int columns, const int rows);


        int absolutePositionToBorderPosition(int position[DIM_MAX]);
        
        int absolutePositionToBoxPosition(int position[DIM_MAX]);
        
        void add(int boxPosition);
        
        void borderPositionToAbsolutePosition(int borderPosition, int position[DIM_MAX]);
        
        int columns();
        
        bool contains(int boxPosition);
        
        int count();
        
        void newBoard(const int columns, const int rows);
        
        int numberOfBallsNotIn(KBBBallsOnBoard* otherBoard);
        
        int oppositeBorderPosition(int borderPosition);
        
        int oppositeBorderPositionWithPoints(const int borderPosition, QList<int> &points);
        
        void ray(const int borderPosition, QList<int> &points);

        void remove(int boxPosition);
        
        int rows();


    signals:
        void changes();


    private:
        void getOutgoingPosition( int position[DIM_MAX], int incomingDirection[DIM_MAX], QList<int> &points );
        
        bool positionInTheBox( int position[DIM_MAX] );
        
        
        QList<int> m_balls;
        int m_columns;
        int m_rows;
};

#endif // KBBBALLSONBOARD_H