OgreSkeletonSerializer.h

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/*
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This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
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Copyright (c) 2000-2012 Torus Knot Software Ltd

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*/

#ifndef __SkeletonSerializer_H__
#define __SkeletonSerializer_H__

#include "OgrePrerequisites.h"
#include "OgreSkeleton.h"
#include "OgreSerializer.h"

namespace Ogre {

    enum SkeletonVersion 
    {
        SKELETON_VERSION_1_0,
        SKELETON_VERSION_1_8,
        
        SKELETON_VERSION_LATEST = 100
    };

    class _OgreExport SkeletonSerializer : public Serializer
    {
        
    public:
        SkeletonSerializer();
        virtual ~SkeletonSerializer();


        void exportSkeleton(const Skeleton* pSkeleton, const String& filename,
            SkeletonVersion ver = SKELETON_VERSION_LATEST, Endian endianMode = ENDIAN_NATIVE);

        void exportSkeleton(const Skeleton* pSkeleton, DataStreamPtr stream,
            SkeletonVersion ver = SKELETON_VERSION_LATEST, Endian endianMode = ENDIAN_NATIVE);
        void importSkeleton(DataStreamPtr& stream, Skeleton* pDest);

        // TODO: provide Cal3D importer?

    protected:
        
        void setWorkingVersion(SkeletonVersion ver);
        
        // Internal export methods
        void writeSkeleton(const Skeleton* pSkel, SkeletonVersion ver);
        void writeBone(const Skeleton* pSkel, const Bone* pBone);
        void writeBoneParent(const Skeleton* pSkel, unsigned short boneId, unsigned short parentId);
        void writeAnimation(const Skeleton* pSkel, const Animation* anim, SkeletonVersion ver);
        void writeAnimationTrack(const Skeleton* pSkel, const NodeAnimationTrack* track);
        void writeKeyFrame(const Skeleton* pSkel, const TransformKeyFrame* key);
        void writeSkeletonAnimationLink(const Skeleton* pSkel, 
            const LinkedSkeletonAnimationSource& link);

        // Internal import methods
        void readFileHeader(DataStreamPtr& stream);
        void readBone(DataStreamPtr& stream, Skeleton* pSkel);
        void readBoneParent(DataStreamPtr& stream, Skeleton* pSkel);
        void readAnimation(DataStreamPtr& stream, Skeleton* pSkel);
        void readAnimationTrack(DataStreamPtr& stream, Animation* anim, Skeleton* pSkel);
        void readKeyFrame(DataStreamPtr& stream, NodeAnimationTrack* track, Skeleton* pSkel);
        void readSkeletonAnimationLink(DataStreamPtr& stream, Skeleton* pSkel);

        size_t calcBoneSize(const Skeleton* pSkel, const Bone* pBone);
        size_t calcBoneSizeWithoutScale(const Skeleton* pSkel, const Bone* pBone);
        size_t calcBoneParentSize(const Skeleton* pSkel);
        size_t calcAnimationSize(const Skeleton* pSkel, const Animation* pAnim);
        size_t calcAnimationTrackSize(const Skeleton* pSkel, const NodeAnimationTrack* pTrack);
        size_t calcKeyFrameSize(const Skeleton* pSkel, const TransformKeyFrame* pKey);
        size_t calcKeyFrameSizeWithoutScale(const Skeleton* pSkel, const TransformKeyFrame* pKey);
        size_t calcSkeletonAnimationLinkSize(const Skeleton* pSkel, 
            const LinkedSkeletonAnimationSource& link);




    };
}


#endif