/*! 
    \file orxonox.h
    \brief Orxonox core functions
*/ 

#ifndef ORXONOX_H
#define ORXONOX_H

#include "stdincl.h"

class CommandNode;
class WorldEntity;
class DataTank;
class World;
class Camera;
class GameLoader;

//! Orxonox core singleton class
/**
*/
class Orxonox {

 private:
  static Orxonox* singleton_ref;
  Orxonox ();
  ~Orxonox ();
  
  char configfilename[256];
  World* world;
  DataTank* resources;
  CommandNode* localinput;
  Camera* localcamera;
  SDL_Surface* screen;
  GameLoader* gameLoader;
  
  bool bQuitOrxonox;
  bool pause;
  Uint32 lastframe;
  
  void get_config_file (int argc, char** argv);
  
  // main loop functions
  void synchronize ();
  void handle_input ();
  void time_slice ();
  void collision ();
  void display ();
  
  	// subsystem initialization
  int init_video ();
  int init_sound ();
  int init_input ();
  int init_networking ();
  int init_resources ();
  int init_world ();
  
 public:
  static Orxonox* getInstance ();
  void start();
  void quitGame();

  void event_handler (SDL_Event* event);
  bool system_command (Command* cmd);

  int init (int argc, char** argv);
  
  CommandNode* get_localinput();
  Camera* get_camera();
  World* get_world();
  
  void mainLoop();
};

#endif