twowaysprite.h

#ifndef TWOWAYSPRITE__H
#define TWOWAYSPRITE__H
#include <string>
#include <vector>
#include "drawable.h"

class TwoWaySprite : public Drawable {
public:
  TwoWaySprite(const std::string&);
  TwoWaySprite(const TwoWaySprite&);
  virtual ~TwoWaySprite() { } 

  virtual void draw() const;
  virtual void update(Uint32 ticks);
  virtual const Frame* getFrame() const { 
    return frames[currentFrame]; 
  }
  virtual void handleKeyStroke(const Uint8 *) {}
  
  virtual unsigned getCurrentFrame() const { return currentFrame;}
  virtual void setCurrentFrame(unsigned frameNumber) { currentFrame = frameNumber; }
  
protected:
  const std::vector<Frame *> frames;
  int worldWidth;
  int worldHeight;

  unsigned currentFrame;
  unsigned numberOfFrames;
  unsigned frameInterval;
  float timeSinceLastFrame;
  int frameWidth;
  int frameHeight;

  virtual void advanceFrame(Uint32 ticks);
};
#endif