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cells.h

/***************************************************************************
 *   Copyright (C) 2003-2004 by David Saxton                               *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   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 CELLS_H
#define CELLS_H

#include <map>

class Point
{
public:
      Point();
      
      short x;
      short y;
      short prevX;
      short prevY;
};

// Key = cell, data = previous cell, compare = score
typedef std::multimap< unsigned short, Point > TempLabelMap;

// Used for mapping out connections
const int cellSize = 8;
class Cell
{
public:
      Cell();
      /**
       * Resets bestScore, prevX, prevY, addedToLabels, it, permanent for each cell
       */
      void reset();
      
      unsigned short CIpenalty; // 'Penalty' of using the cell from CNItem
      unsigned short Cpenalty; // 'Penalty' of using the cell from Connector
      unsigned short bestScore; // Best (lowest) score so far, _the_ best if it is permanent
      short prevX, prevY; // Which cell this came from, (-1,-1) if originating cell
      bool permanent:1; // Whether the score can be improved on
      bool addedToLabels:1; // Whether the cell has already been added to the list of cells to check
      Point *point; // Pointer to the point in the TempLabelMap
      unsigned short numCon; // Number of connectors through that point
};


/**
@author David Saxton
*/
00055 class Cells
{
public:
      Cells( const uint w, const uint h );
      ~Cells();
      /**
       * Resets bestScore, prevX, prevY, addedToLabels, it, permanent for each cell
       */
      void reset();

      inline Cell* operator[] ( const uint x ) const
      {
            if ( x<m_w ) return m_cells[x];
            return 0l;
      }
      
      const uint width() const { return m_w; }
      const uint height() const { return m_h; }
      
      const Cell &cell( const uint x, const uint y ) const { return m_cells[x][y]; }
      
private:
      Cells( const Cells & );
      Cells & operator= ( const Cells & );
      void init( const uint w, const uint h );
      
      uint m_w;
      uint m_h;
      
      Cell **m_cells;
};

#endif


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