libwoopsigfx/include/animation.h

#ifndef _ANIMATION_H_
#define _ANIMATION_H_

#include <nds.h>
#include "woopsiarray.h"

namespace WoopsiGfx {

    class BitmapBase;

    class Animation {
    public:

        enum Status {
            ANIMATION_STATUS_STOPPED = 0,   
            ANIMATION_STATUS_PLAYING = 1,   
            ANIMATION_STATUS_PAUSED = 2     
        };

        enum LoopType {
            ANIMATION_LOOPTYPE_NONE = 0,    
            ANIMATION_LOOPTYPE_LOOP = 1,    
            ANIMATION_LOOPTYPE_PINGPONG = 2 
        };

        typedef struct {
            const BitmapBase* bitmap;       
            u8 delay;                       
        } AnimFrame;

        Animation(const u8 speed, const LoopType loopType, const u16 loops);
        
        inline ~Animation() { };

        inline const AnimFrame* getCurrentFrame() const {
            return _frames.size() > 0 ? &_frames[_currentFrame] : NULL;
        };
        
        inline const BitmapBase* getCurrentBitmap() const {
            return _frames.size() > 0 ? _frames[_currentFrame].bitmap : NULL;
        };
        
        inline const Status getStatus() const { return _status; };
        
        inline const u8 getSpeed() const { return _speed; };
        
        inline const LoopType getLoopType() const { return _loopType; };
        
        inline const u16 getTimeToNextFrame() const { return _frameTimer; };
        
        inline const u16 getFrameCount() const { return _frames.size(); };

        inline void setSpeed(const u8 speed) { _speed = speed; };
        
        inline void setLoopType(const LoopType loopType) { _loopType = loopType; };

        void addFrame(const BitmapBase* bitmap, const u8 delay);

        void run();
        
        void play();
        
        void stop();
        
        inline void pause() { _status = ANIMATION_STATUS_PAUSED; }
        
        void goToFrame(u16 frame);

    private:
        WoopsiArray<AnimFrame> _frames;             
        u8 _speed;                                  
        u16 _frameTimer;                            
        u16 _currentFrame;                          
        s8 _frameInc;                               
        u16 _requestedLoops;                        
        u16 _loopCount;                             
        LoopType _loopType;                         
        Status _status;                             
        bool loop();
    };
}

#endif