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- Moved all skeletal control nodes to start out Upgrade Note: Modules containing custom animation nodes will need to have a dependency on the new "AnimGraphRuntime" module added to their Build.cs file #codereview lina.halper [CL 2582755 by Michael Noland in Main branch]
84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "AnimNode_SkeletalControlBase.h"
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#include "AnimNode_Trail.generated.h"
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/**
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* Trail Controller
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*/
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USTRUCT()
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struct ANIMGRAPHRUNTIME_API FAnimNode_Trail : public FAnimNode_SkeletalControlBase
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{
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GENERATED_USTRUCT_BODY()
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/** Reference to the active bone in the hierarchy to modify. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Trail)
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FBoneReference TrailBone;
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/** Number of bones above the active one in the hierarchy to modify. ChainLength should be at least 2. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Trail, meta = (ClampMin = "2", UIMin = "2"))
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int32 ChainLength;
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/** Axis of the bones to point along trail. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Trail)
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TEnumAsByte<EAxis::Type> ChainBoneAxis;
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/** Invert the direction specified in ChainBoneAxis. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Trail)
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bool bInvertChainBoneAxis;
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/** Limit the amount that a bone can stretch from its ref-pose length. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Trail)
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bool bLimitStretch;
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/** How quickly we 'relax' the bones to their animated positions. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Trail)
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float TrailRelaxation;
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/** If bLimitStretch is true, this indicates how long a bone can stretch beyond its length in the ref-pose. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Trail)
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float StretchLimit;
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/** 'Fake' velocity applied to bones. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Trail)
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FVector FakeVelocity;
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/** Whether 'fake' velocity should be applied in actor or world space. */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Trail)
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bool bActorSpaceFakeVel;
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/** Internal use - we need the timestep to do the relaxation in CalculateNewBoneTransforms. */
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float ThisTimstep;
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/** Did we have a non-zero ControlStrength last frame. */
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bool bHadValidStrength;
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/** Component-space locations of the bones from last frame. Each frame these are moved towards their 'animated' locations. */
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TArray<FVector> TrailBoneLocations;
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/** LocalToWorld used last frame, used for building transform between frames. */
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FMatrix OldLocalToWorld;
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FAnimNode_Trail();
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// FAnimNode_Base interface
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virtual void Update(const FAnimationUpdateContext& Context) override;
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virtual void GatherDebugData(FNodeDebugData& DebugData) override;
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// End of FAnimNode_Base interface
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// FAnimNode_SkeletalControlBase interface
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virtual void EvaluateBoneTransforms(USkeletalMeshComponent* SkelComp, FCSPose<FCompactPose>& MeshBases, TArray<FBoneTransform>& OutBoneTransforms) override;
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virtual bool IsValidToEvaluate(const USkeleton* Skeleton, const FBoneContainer& RequiredBones) override;
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// End of FAnimNode_SkeletalControlBase interface
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private:
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// FAnimNode_SkeletalControlBase interface
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virtual void InitializeBoneReferences(const FBoneContainer& RequiredBones) override;
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// End of FAnimNode_SkeletalControlBase interface
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FVector GetAlignVector(EAxis::Type AxisOption, bool bInvert);
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}; |