//  $Id: manager.hpp 3265 2007-09-30 16:07:08Z grumbel $
//
//  Pingus - A free Lemmings clone
//  Copyright (C) 2000,2007 Ingo Ruhnke <grumbel@gmx.de>
//
//  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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#ifndef HEADER_PINGUS_WORLDMAP_MANAGER_HXX
#define HEADER_PINGUS_WORLDMAP_MANAGER_HXX

#include <string>
#include "../gui/gui_manager.hpp"
#include "../screen/gui_screen.hpp"

class SceneContext;

namespace WorldMapNS {

typedef int NodeId;
class WorldMap;

class WorldMapComponent : public GUI::Component
{
private:
  SceneContext* scene_context;

public:
  WorldMapComponent();
  ~WorldMapComponent();

  void on_primary_button_press (int x, int y);
  void on_secondary_button_press (int x, int y);
  void on_pointer_move(int x, int y);

  void draw (DrawingContext& gc);
  void update (float delta);

  bool is_at (int, int) { return true; }

private:
  WorldMapComponent (const WorldMapComponent&);
  WorldMapComponent& operator= (const WorldMapComponent&);

};

/** The WorldMapManager manages the worldmaps and the translation
    between two worldmaps, it also holds the GUI elements that are
    accessible in the WorldMap Screen */
class WorldMapManager : public GUIScreen
{
  WorldMapComponent* worldmap_component;

  friend class WorldMapComponent;
private:
  static WorldMapManager* instance_;

  Sprite levelname_bg;

  bool is_init;
  bool exit_worldmap;

  WorldMap* worldmap;
  WorldMap* new_worldmap;

  //MetaMap* metamap;

  WorldMapManager ();
public:
  ~WorldMapManager ();

  void load (const std::string& filename);

  /** Check if WorldMap manager still needs to run and exit if if
      not */
  void update (float);
  void draw_foreground(DrawingContext& gc);

  /** @defgroup WorldMapManagerBindings Controller bindings of the WorldMapManager
      @{*/
  /** Calculate the node that was clicked and set the pingu to walk
      to that node. If a node is double-cliked, the pingu should go
      faster. */
  void on_primary_button_press (int x, int y);

  /** Exit the WorldMapManager and return to the previous screen */
  void on_escape_press ();
  /** @}*/

  WorldMap* get_worldmap() { return worldmap; }
  ////	MetaMap* get_metamap() { return metamap; }

  /** Change the current map to the given map

      @param filename the filename of the new map, filename must be
      @param filename relative to the worldmap directory
      @param filename Example: "volcano.pingus" */
  void change_map (const std::string& filename, NodeId node);

  Rect get_trans_rect() const;

  /** Singleton access function */
  static WorldMapManager* instance ();
  static void deinit();

private:
  /** Startup Hook of the Screen */
  void on_startup ();

  WorldMapManager (const WorldMapManager&);
  WorldMapManager& operator= (const WorldMapManager&);
};

} // namespace WorldMapNS

#endif

/* EOF */