/*
-----------------------------------------------------------------------------
Copyright (c) 2010 Jacob 'jacmoe' Moen

You may use this sample code for anything you like, it is public domain.
-----------------------------------------------------------------------------
*/
/*
-----------------------------------------------------------------------------
Filename:    AnimationSerializer.h
Description: A serializer for keyframe animations
-----------------------------------------------------------------------------
*/

#ifndef __AnimationSerializer_h__
#define __AnimationSerializer_h__

#include "OgreSerializer.h"

enum AnimationChunkID {
	AC_HEADER			= 0x1000,
	AC_ANIMATION		= 0x2000,
	AC_ANIMATION_TRACK	= 0x3000,
	AC_ANIMATION_TRACK_KEYFRAME = 0x4000,
};

class AnimationSerializer : public Ogre::Serializer
{
public:
	AnimationSerializer();
	virtual ~AnimationSerializer();

	void exportAnimation(const Ogre::Animation* pAnimation, const Ogre::String& filename,
		Endian endianMode = ENDIAN_NATIVE);

	Ogre::Animation* importAnimation(const Ogre::String& filename);

	Ogre::Animation* importAnimation(Ogre::DataStreamPtr& stream);

protected:
	void writeAnimation(const Ogre::Animation* anim);
	void writeAnimationTrack(const Ogre::NodeAnimationTrack* track);
	void writeKeyFrame(const Ogre::TransformKeyFrame* key);
	Ogre::Animation* readAnimation(Ogre::DataStreamPtr& stream);
	void readAnimationTrack(Ogre::DataStreamPtr& stream, Ogre::Animation* anim);
	void readKeyFrame(Ogre::DataStreamPtr& stream, Ogre::NodeAnimationTrack* track);
	size_t calcAnimationSize(const Ogre::Animation* pAnim);
	size_t calcAnimationTrackSize(const Ogre::NodeAnimationTrack* pTrack);
	size_t calcKeyFrameSize(const Ogre::TransformKeyFrame* pKey);
};


#endif