/*!
 * @file hud.h
 * @brief Definition of the ingame HUD.
*/

#ifndef _HUD_H
#define _HUD_H

#include "glgui_widget.h"
#include <list>

// FORWARD DECLARATION
class TiXmlElement;
class WeaponManager;

//! A class that renders a HUD.
class Hud : public GLGuiWidget
{

public:
  Hud();
  virtual ~Hud();


  void loadParams(const TiXmlElement* root);

  void setBackGround();
  void setEnergyWidget(GLGuiWidget* widget);
  void setShiledWidget(GLGuiWidget* widget);
  void setArmorWidget(GLGuiWidget* widget);
  void setWeaponManager(WeaponManager* weaponMan);

  void addWeaponWidget(GLGuiWidget* widget);
  void removeWeaponWidget(GLGuiWidget* widget);

  void updateWeaponManager();

  void tick(float dt);
  void draw() const;

  private:
    void updateResolution();
private:
  unsigned int             resX;
  unsigned int             resY;

  GLGuiWidget*             energyWidget;
  GLGuiWidget*             shieldWidget;
  GLGuiWidget*             armorWidget;

  WeaponManager*           weaponManager;

  std::list<GLGuiWidget*>  weaponsWidgets; //!< WeaponWidgets will be displayed one after another
};

#endif /* _HUD_H */