D:/Development/Projects/X-Clone/X-Clone/trunk/MapTile.h

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#ifndef XCLONE_MAPTILE_H
#define XCLONE_MAPTILE_H

#include "includes.h"

class MapTile;
typedef boost::shared_ptr<MapTile> spMapTile;
typedef boost::weak_ptr<MapTile> wpMapTile;

#include "Terrain.h"
#include "MapObject.h"
#include "Direction.h"
#include "Unit.h"

class MapTile
{
   public:
      static spMapTile makeMapTile(TerrainType type, int x, int y);
      ~MapTile();

      bool isPassable() const;
      bool isPassable(Direction dir) const;
      bool hasObstruction(Direction dir) const;
      int getX() const;
      int getY() const;
      int getScreenX() const;
      int getScreenY() const;
      int getCenterX() const;
      int getCenterY() const;
      TerrainType getTerrainType();
      static int getWidth();
      static int getHeight();

      int getMoveCost(const Direction& dir) const;

      void addTileInDirection( spMapTile tile, const Direction& dir);
      spMapTile getTileInDirection( const Direction& dir ) const;

      bool addUnit(spUnit unit);
      spUnit getUnit();
      void removeUnit();
      bool hasUnit() const;

      bool addObject(spMapObject object);
      void removeObject(spMapObject object);

      void drawTerrain(Point offset) const;
      void drawObjects(Point offset) const;
      void highlight(Point offset);
      void highlightMoveable(Point offset);

   private:
      MapTile(TerrainType type, int x, int y);

      wpMapTile _weak;

      int _x;
      int _y;
      int _screenX;
      int _screenY;
      int _centerX;
      int _centerY;
      static int _width;
      static int _height;
      
      static SDL_Surface* _highlight;
      static SDL_Surface* _highlightMove;
      Terrain _terrain;
      
      spUnit _unit;
      list<spMapObject> _objects;
      map<Direction, spMapTile> directionTileMap;

      static int cardinalMoveBase;
      static int diagonalMoveBase;
};

#endif

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