#ifndef DEF_XSPRITEANIMATION_H
	#define DEF_XSPRITEANIMATION_H

	#include "SDL.h"
	#include "xSprite.h"
	#include "xApplication.h"
	#include "xElement.h"
	#include <vector>
	#include <thread>
	using namespace std;

	#define SPRITE_ANIM_ONCE     0b1
	#define	SPRITE_ANIM_INFINITE 0b10
	#define SPRITE_ANIM_REVERSE  0b100

	class xSpriteAnimation : public xSprite {

		public:
			// spritesheet with sprite size
			xSpriteAnimation(const char *url, SDL_Rect dest);
			xSpriteAnimation(SDL_Surface *s, SDL_Rect dest);
			~xSpriteAnimation();

			void addFrame(SDL_Rect clip);
			void clearFrames();

			// animation control handles
			void start(int t, int flags=SPRITE_ANIM_ONCE);
			void stop();

			// implement xElement
			void draw(SDL_Renderer* renderer) override;

		protected:
			vector<SDL_Rect> _frames;

			// animation
			int _timeout;
			int _flags;

			// animation thread
			thread *_animation;
			friend void xSpriteAnimationProcess(xSpriteAnimation *xSA, uint32_t t, int flags);

	};

#endif