AnimationHandle.hh

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#pragma once

class AnimationHandle
{
public:
  AnimationHandle() : idAnimation(0), iFrame(0) {};
  AnimationHandle(size_t idAnimation, size_t iFrame = 0) : idAnimation(idAnimation + 1), iFrame(iFrame) {};
  inline bool isValid() const { return idAnimation > 0; }
  inline size_t animationIndex() const { return idAnimation - 1; }
  
  inline size_t frame() const { return iFrame; }
  inline void setFrame(size_t _iFrame) { iFrame = _iFrame; }

  inline void firstFrame() { iFrame = 0; }
  inline void operator++() { ++iFrame; }
  inline void operator--() { --iFrame; }

  inline bool operator==(const AnimationHandle &rhs) { return (idAnimation == rhs.idAnimation) && (iFrame == rhs.iFrame); }
  inline bool operator!=(const AnimationHandle &rhs) { return (idAnimation != rhs.idAnimation) || (iFrame != rhs.iFrame); }

private:
  size_t idAnimation;
  size_t iFrame;
};