/*! 
    \file animation.h
    A Subclass for all animations in orxonox
*/

#ifndef _ANIMATION_H
#define _ANIMATION_H

#include "list.h"
#include "base_object.h"

// FORWARD DEFINITION

#define DELTA_X 0.05  //!< the percentag of the distance that doesnt have to be done by neg_exp (asymptotical) ~ maschinendelta

typedef enum ANIM_FUNCTION {ANIM_CONSTANT,
			    ANIM_LINEAR,
			    ANIM_SINE,
			    ANIM_COSINE,
			    ANIM_EXP,
			    ANIM_NEG_EXP,
			    ANIM_QUADRATIC,
			    ANIM_RANDOM};

typedef enum ANIM_INFINITY {ANIM_INF_CONSTANT,
			    ANIM_INF_LINEAR,
			    ANIM_INF_PINGPONG,
			    ANIM_INF_REWIND};//, ANIM_DELETE}

typedef struct KeyFrameF
{
  float duration;
  float value;
  ANIM_FUNCTION animFunc;
};

class Animation
{
 public:
  virtual ~Animation(void);
  void doNotHandle(void);

  void setInfinity(ANIM_INFINITY postInfinity = ANIM_INF_CONSTANT);

  void play(); // equals resume();
  void stop();
  void pause();
  void replay();
  virtual void rewind() = 0;

  virtual void tick(float time) = 0;

  /* implement in subclasses:
   * 
   * De-/Constructor
   * Animation Functions
   * virtual tick
   * List of keyFrames
   * currentKeyFrame/nextKeyFrame
   * virtual rewind, to go to the first Keyframe. (other functions will call this one)
   */

  /**
     \returns the BaseObject, this animation operates on
  */
  BaseObject* getBaseObject(void) const { return baseObject;}

 protected:
  Animation(void);

  // variables

  float localTime;
  ANIM_INFINITY postInfinity;

  BaseObject* baseObject;         //!< The same as object in the derived classes, but with reference to BaseObject
  bool bHasKeys;
  bool bHandled;                  //!< If this Animation is handled by the AnimationPlayer.
  bool bRunning;
};


/**********************TEST*******************************/
class aTest
{
 public:
  aTest() { last = 0.0;}
  ~aTest() {}
  void littleDebug(float f) {  diff = f - last; printf("f=%f, diff=%f\n", f,diff); last = f;}
 private:
  float diff;
  float last;
};

//aTest::aTest() {}
//aTest::~aTest() {}

//void aTest::littleDebug(float f)

/**********************TEST*******************************/


#endif /* _ANIMATION_H */