AnimCurveCompressionCodec_UniformIndexable.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Animation/Skeleton.h"
#include "CoreMinimal.h"
#include "Animation/AnimCurveCompressionCodec.h"
#include "AnimCurveCompressionCodec_UniformIndexable.generated.h"
 
struct FAnimCurveBufferAccess
{
private:
    int32 NumSamples;
    float SampleRate;
 
    const float* CompressedBuffer;
 
    const FFloatCurve* RawCurve;
    bool bUseCompressedData;
public:
 
    UE_DEPRECATED(5.3, "Please use the constructor that takes a FName")
    ENGINE_API FAnimCurveBufferAccess(const UAnimSequenceBase* InSequence, SmartName::UID_Type InUID);
 
    ENGINE_API FAnimCurveBufferAccess(const UAnimSequenceBase* InSequence, FName InName);
 
    bool IsValid() const
    {
        return CompressedBuffer || RawCurve;
    }
 
    int32 GetNumSamples() const { return NumSamples; }
 
    ENGINE_API float GetValue(int32 SampleIndex) const;
 
    ENGINE_API float GetTime(int32 SampleIndex) const;
};
 
UCLASS(meta = (DisplayName = "Uniform Indexable"), MinimalAPI)
class UAnimCurveCompressionCodec_UniformIndexable : public UAnimCurveCompressionCodec
{
    GENERATED_UCLASS_BODY()
 
    
 
#if WITH_EDITORONLY_DATA
    // UAnimCurveCompressionCodec overrides
    ENGINE_API virtual bool Compress(const FCompressibleAnimData& AnimSeq, FAnimCurveCompressionResult& OutResult) override;
    ENGINE_API virtual int64 EstimateCompressionMemoryUsage(const UAnimSequence& AnimSequence) const override;
    ENGINE_API virtual void PopulateDDCKey(FArchive& Ar) override;
#endif
    
    ENGINE_API virtual void DecompressCurves(const FCompressedAnimSequence& AnimSeq, FBlendedCurve& Curves, float CurrentTime) const override;
    ENGINE_API virtual float DecompressCurve(const FCompressedAnimSequence& AnimSeq, FName CurveName, float CurrentTime) const override;
 
    UE_DEPRECATED(5.3, "Please use GetCurveBufferAndSamples that takes a curve's FName")
    bool GetCurveBufferAndSamples(const FCompressedAnimSequence& AnimSeq, SmartName::UID_Type CurveUID, const float*& OutCurveBuffer, int32& OutSamples, float& OutSampleRate) { return false; }
    ENGINE_API bool GetCurveBufferAndSamples(const FCompressedAnimSequence& AnimSeq, FName CurveName, const float*& OutCurveBuffer, int32& OutSamples, float& OutSampleRate);
};