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

#ifndef _HUD_H
#define _HUD_H

#include "element_2d.h"
#include "event_listener.h"
#include "glgui_box.h"


// FORWARD DECLARATION
class WeaponManager;
namespace OrxGui {
  class GLGuiWidget;
  class GLGuiNotifier;
  class GLGuiInputLine;
  class GLGuiRadar;
}

//! A class that renders a HUD (Heads Up Display for User Information).
class Hud : public Element2D, public EventListener
{
  ObjectListDeclaration(Hud);

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


  virtual void loadParams(const TiXmlElement* root);

  void notifyUser(const std::string& message);


  void setBackGround();
  void setEnergyWidget(OrxGui::GLGuiWidget* widget);
  void setShiledWidget(OrxGui::GLGuiWidget* widget);
  void setArmorWidget(OrxGui::GLGuiWidget* widget);
  void setWeaponManager(WeaponManager* weaponMan, WeaponManager* weaponManSec = NULL);

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

  OrxGui::GLGuiRadar* radar() const { return _radar; };

  void updateWeaponManager();

  void draw() const;
  virtual void process(const Event &event);


  private:
    void updateResolution();

private:
  unsigned int             resX;
  unsigned int             resY;

  OrxGui::GLGuiWidget*     energyWidget;
  OrxGui::GLGuiWidget*     shieldWidget;
  OrxGui::GLGuiWidget*     armorWidget;
  OrxGui::GLGuiBox*        shipValuesBox;

  OrxGui::GLGuiNotifier*   notifier;
  OrxGui::GLGuiInputLine*  inputLine;
  OrxGui::GLGuiRadar*      _radar;

  WeaponManager*           weaponManager;
  WeaponManager*           weaponManagerSecondary;

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

#endif /* _HUD_H */