AnimNode_LiveLinkPose.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Animation/AnimNodeBase.h"
 
#include "CoreMinimal.h"
#include "LiveLinkRetargetAsset.h"
#include "LiveLinkTypes.h"
#include "Templates/SubclassOf.h"
 
#include "AnimNode_LiveLinkPose.generated.h"
 
 
class ILiveLinkClient;
class ULiveLinkRole;
struct FLiveLinkSubjectFrameData;
 
 
PRAGMA_DISABLE_DEPRECATION_WARNINGS
 
USTRUCT(BlueprintInternalUseOnly)
struct FAnimNode_LiveLinkPose : public FAnimNode_Base
{
    GENERATED_BODY()
 
public:
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Input)
    FPoseLink InputPose;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = SourceData, meta = (PinShownByDefault))
    FLiveLinkSubjectName LiveLinkSubjectName;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Transient, Category = SourceData, meta = (PinShownByDefault))
    bool bDoLiveLinkEvaluation = true;
 
#if WITH_EDITORONLY_DATA
    UE_DEPRECATED(4.23, "FName SubjectName is deprecated. Use the SubjectName of type FLiveLinkSubjectName instead.")
    UPROPERTY()
    FName SubjectName_DEPRECATED;
#endif
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, NoClear, Category = Retarget, meta = (NeverAsPin))
    TSubclassOf<ULiveLinkRetargetAsset> RetargetAsset;
 
    UPROPERTY(transient)
    TObjectPtr<ULiveLinkRetargetAsset> CurrentRetargetAsset;
 
public:
    LIVELINKANIMATIONCORE_API FAnimNode_LiveLinkPose();
 
    //~ FAnimNode_Base interface
    LIVELINKANIMATIONCORE_API virtual void Initialize_AnyThread(const FAnimationInitializeContext& Context) override;
    LIVELINKANIMATIONCORE_API virtual void CacheBones_AnyThread(const FAnimationCacheBonesContext & Context) override;
    LIVELINKANIMATIONCORE_API virtual void Update_AnyThread(const FAnimationUpdateContext & Context) override;
    LIVELINKANIMATIONCORE_API virtual void Evaluate_AnyThread(FPoseContext& Output) override;
    virtual bool HasPreUpdate() const { return true; }
    LIVELINKANIMATIONCORE_API virtual void PreUpdate(const UAnimInstance* InAnimInstance) override;
    LIVELINKANIMATIONCORE_API virtual void GatherDebugData(FNodeDebugData& DebugData) override;
    //~ End of FAnimNode_Base interface
 
    LIVELINKANIMATIONCORE_API bool Serialize(FArchive& Ar);
 
protected:
    LIVELINKANIMATIONCORE_API virtual void OnInitializeAnimInstance(const FAnimInstanceProxy* InProxy, const UAnimInstance* InAnimInstance) override;
    
    LIVELINKANIMATIONCORE_API void BuildPoseFromAnimData(const FLiveLinkSubjectFrameData& LiveLinkData, FPoseContext& Output);
    
    LIVELINKANIMATIONCORE_API void BuildPoseFromCurveData(const FLiveLinkSubjectFrameData& LiveLinkData, FPoseContext& Output);
 
 
private:
 
    ILiveLinkClient* LiveLinkClient_AnyThread;
 
    // Delta time from update so that it can be passed to retargeter
    float CachedDeltaTime;
 
    TSharedPtr<FLiveLinkSubjectFrameData> CachedLiveLinkData;
 
    TSubclassOf<ULiveLinkRole> CachedEvaluatedRole;
};
 
PRAGMA_ENABLE_DEPRECATION_WARNINGS
 
 
template<> struct TStructOpsTypeTraits<FAnimNode_LiveLinkPose> : public TStructOpsTypeTraitsBase2<FAnimNode_LiveLinkPose>
{
    enum 
    { 
        WithSerializer = true
    };
};