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68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "Animation/AnimNodeBase.h"
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#include "AnimNode_ModifyCurve.generated.h"
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UENUM()
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enum class EModifyCurveApplyMode : uint8
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{
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/** Add new value to input curve value */
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Add,
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/** Scale input value by new value */
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Scale,
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/** Blend input with new curve value, using Alpha setting on the node */
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Blend,
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/** Blend the new curve value with the last curve value using Alpha to determine the weighting (.5 is a moving average, higher values react to new values faster, lower slower) */
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WeightedMovingAverage,
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/** Remaps the new curve value between the CurveValues entry and 1.0 (.5 in CurveValues makes 0.51 map to 0.02) */
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RemapCurve
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};
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/** Easy way to modify curve values on a pose */
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USTRUCT(BlueprintInternalUseOnly)
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struct ANIMGRAPHRUNTIME_API FAnimNode_ModifyCurve : public FAnimNode_Base
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, EditFixedSize, BlueprintReadWrite, Category = Links)
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FPoseLink SourcePose;
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UPROPERTY(EditAnywhere, BlueprintReadWrite, editfixedsize, Category = ModifyCurve, meta = (PinShownByDefault))
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TArray<float> CurveValues;
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UPROPERTY()
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TArray<FName> CurveNames;
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TArray<float> LastCurveValues;
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = ModifyCurve, meta = (PinShownByDefault))
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float Alpha;
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = ModifyCurve)
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EModifyCurveApplyMode ApplyMode;
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FAnimNode_ModifyCurve();
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// FAnimNode_Base interface
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virtual void Initialize_AnyThread(const FAnimationInitializeContext& Context) override;
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virtual void CacheBones_AnyThread(const FAnimationCacheBonesContext& Context) override;
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virtual void Evaluate_AnyThread(FPoseContext& Output) override;
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virtual void Update_AnyThread(const FAnimationUpdateContext& Context) override;
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// End of FAnimNode_Base interface
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#if WITH_EDITOR
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/** Add new curve being modified */
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void AddCurve(const FName& InName, float InValue);
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/** Remove a curve from being modified */
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void RemoveCurve(int32 PoseIndex);
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#endif // WITH_EDITOR
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};
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