#ifndef _VIEW_H
#define _VIEW_H

#include "ViewBase.h"
#include "mathlib.h"
#include "Sprite.h"
#include "EntityBase.h"

namespace asteroids {

class MenuOverlay;
struct ShipEntity;
struct AsteroidEntity;
struct RocketEntity;

struct BackgroundStar {
	vector3d position;
};

/** \brief Performs the actual drawing based on Camera and Model
 */
class View : public Engine::ViewBase { 
	protected:
		/** \brief Initializes the system */
		int OnInit (int argc, char* argv[]);
		void OnDestroy ();

		/** \brief Updates the camera for further drawing */
		virtual void UpdateCamera ();

	private:
		virtual void DrawWorld ();
		void DrawStars ();

		void DrawEntity (Engine::EntityBase *entity);
		void DrawShip (ShipEntity *ship);
		void DrawAsteroid (AsteroidEntity *asteroid);
		void DrawRocket (RocketEntity *asteroid);
		void DrawShipPart (Engine::EntityBase *entity);

		MenuOverlay *mMenuOverlay;
		std::vector<BackgroundStar> mBackgroundStars;

		std::vector<unsigned int> mShipPartsEntityIds;

		Engine::Sprite mAsteroidSprite;
		Engine::Sprite mShipSprite;
		Engine::Sprite mShipThrustSprite;
		Engine::Sprite mShipPartsSprite;

		class AccelerateEventHandler : public Engine::EventListenerBase {
			public:
				explicit AccelerateEventHandler (View *view) : mView (view) {};
				virtual bool HandleEvent (const Engine::EventBasePtr &event) const;
			private:
				View *mView;
		};

		class ShipExplodeEventHandler : public Engine::EventListenerBase {
			public:
				explicit ShipExplodeEventHandler (View *view) : mView (view) {};
				virtual bool HandleEvent (const Engine::EventBasePtr &event) const;
			private:
				View *mView;
		};

		AccelerateEventHandler *mAccelerateEventHandler;
		ShipExplodeEventHandler *mShipExplodeEventHandler;

		friend class AccelerateEventHandler;
};

}

#endif // _VIEW_H