AnimEncoding_PerTrackCompression.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    AnimEncoding_PerTrackCompression.h: Per-track decompressor.
=============================================================================*/ 
 
#pragma once
 
#include "CoreMinimal.h"
#include "AnimEncoding.h"
 
class FMemoryArchive;
 
class AEFPerTrackCompressionCodec : public AnimEncoding
{
public:
    virtual void ByteSwapIn(FUECompressedAnimData& CompressedData, FMemoryReader& MemoryReader) override;
 
    virtual void ByteSwapOut(
        FUECompressedAnimData& CompressedData,
        FMemoryWriter& MemoryWriter) override;
 
#if USE_ANIMATION_CODEC_BATCH_SOLVER
 
    virtual void GetPoseRotations(
        TArrayView<FTransform>& Atoms,
        const BoneTrackArray& DesiredPairs,
        FAnimSequenceDecompressionContext& DecompContext) override;
 
    virtual void GetPoseTranslations(
        TArrayView<FTransform>& Atoms,
        const BoneTrackArray& DesiredPairs,
        FAnimSequenceDecompressionContext& DecompContext) override;
 
    virtual void GetPoseScales(
        TArrayView<FTransform>& Atoms,
        const BoneTrackArray& DesiredPairs,
        FAnimSequenceDecompressionContext& DecompContext) override;
#endif
 
protected:
    template<class TArchive>
    static void ByteSwapOneTrack(FUECompressedAnimData& CompressedData, TArchive& MemoryStream, int32 BufferStart, int32 Offset);
 
    static void PreservePadding(uint8*& TrackData, FMemoryArchive& MemoryStream);
 
    static void GetBoneAtomRotation(
        FTransform& OutAtom,
        FAnimSequenceDecompressionContext& DecompContext,
        int32 TrackIndex);
 
    static void GetBoneAtomTranslation(
        FTransform& OutAtom,
        FAnimSequenceDecompressionContext& DecompContext,
        int32 TrackIndex);
 
    static void GetBoneAtomScale(
        FTransform& OutAtom,
        FAnimSequenceDecompressionContext& DecompContext,
        int32 TrackIndex);
 
    friend class UAnimCompress_PerTrackCompression;
};