/*!
 * @file single_player_world.h
 *  Holds and manages all single player game data
 */

#ifndef _SINGLE_PLAYER_WORLD_H
#define _SINGLE_PLAYER_WORLD_H

#include "game_world.h"

class WorldEntity;
class Camera;
class Player;
class GLMenuImageScreen;
class Terrain;
class TiXmlElement;

class Shell;
class OggPlayer;

//! The game world
/**
 *  this class initializes everything that should be displayed inside of the current level.
 *  it is the main driving factor during gameplay.
 */
class SinglePlayerWorld : public GameWorld
{

  public:
    SinglePlayerWorld (const TiXmlElement* root = NULL);
    virtual ~SinglePlayerWorld ();

    void loadParams(const TiXmlElement* root);


    /* classes from story-entity */
    virtual ErrorMessage preLoad();
    virtual ErrorMessage load ();
    virtual ErrorMessage postLoad();

    virtual ErrorMessage preStart();
    virtual ErrorMessage start ();
    virtual ErrorMessage stop ();
    virtual ErrorMessage pause ();
    virtual ErrorMessage resume ();
    virtual ErrorMessage destroy ();

    virtual void displayLoadScreen();
    virtual void releaseLoadScreen();

    /* interface to world */
    virtual void spawn (WorldEntity* entity);


  protected:
    virtual void constuctorInit(const char* name, int worldID);

    /* world - running functions */
    virtual void mainLoop ();

    virtual void synchronize ();
    virtual void handleInput ();
    virtual void tick (std::list<WorldEntity*> worldEntity, float dt);
    virtual void tick ();
    virtual void update ();
    virtual void collide ();
    virtual void draw ();
    virtual void display ();

    virtual void debug ();


  private:
    /* external modules interfaces */
    Shell*     shell;
    OggPlayer* music;

    GLMenuImageScreen* glmis;           //!< The Level-Loader Display

};

#endif /* _SINGLE_PLAYER_WORLD_H */