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SpriteSystem.h

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#ifndef __SpriteSystem_H__
#define __SpriteSystem_H__

// Includes
#include "Singleton.h"
#include "StringId.h"
#include "Array.h"

// Forward declares
class SpriteManager;
class SpriteEventListener;
class Bitmap;

// SpriteSystem
class SpriteSystem:public Singleton<SpriteSystem>
   {
   public:
      SpriteSystem();
      virtual ~SpriteSystem();

      void Update(float deltaTime);
      void Render(Bitmap& bitmap);

      SpriteManager* GetDefaultSpriteManager();
      void SetDefaultSpriteManager(SpriteManager* spriteManager);

      int GetSpriteManagerCount() const;
      SpriteManager* GetSpriteManager(int index) const;
      void AddSpriteManager(SpriteManager* spriteManager);
      void RemoveSpriteManager(SpriteManager* spriteManager);

      void UpdatePriority(SpriteManager* spriteManager);

      void AddEventListener(SpriteEventListener* listener);
      void RemoveEventListener(SpriteEventListener* listener);

      bool HasSpriteManager(SpriteManager* spriteManager) const;
   private:
      friend class SpriteManager;
      void SendEvent(SpriteManager* spriteManager, StringId event, void* userData);

   private:
      Array<SpriteManager*> spriteManagers_;

      SpriteManager* defaultSpriteManager_;

      Array<SpriteEventListener*> eventListeners_;
   };

#define siSpriteSystem SpriteSystem::GetInstance()

#endif /* __SpriteSystem_H__ */

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