AnimNode_PoseBlendNode.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "AnimNodes/AnimNode_PoseHandler.h"
#include "AlphaBlend.h"
#include "Animation/AnimBulkCurves.h"
#include "AnimNode_PoseBlendNode.generated.h"
 
// Evaluates a point in an anim sequence, using a specific time input rather than advancing time internally.
// Typically the playback position of the animation for this node will represent something other than time, like jump height.
// This node will not trigger any notifies present in the associated sequence.
USTRUCT(BlueprintInternalUseOnly)
struct FAnimNode_PoseBlendNode : public FAnimNode_PoseHandler
{
    GENERATED_USTRUCT_BODY()
public:
    UPROPERTY(EditAnywhere, EditFixedSize, BlueprintReadWrite, Category = Links)
    FPoseLink SourcePose;
 
    UPROPERTY(EditAnywhere, Category = "Blend")
    EAlphaBlendOption BlendOption;
 
    UPROPERTY(EditAnywhere, Category = "Blend")
    TObjectPtr<UCurveFloat> CustomCurve;
 
private:
    // Cached curves to extract
    UE::Anim::TNamedValueArray<FDefaultAllocator, UE::Anim::FNamedIndexElement> BulkCurves;
 
public: 
    ANIMGRAPHRUNTIME_API FAnimNode_PoseBlendNode();
 
    // FAnimNode_Base interface
    ANIMGRAPHRUNTIME_API virtual void Initialize_AnyThread(const FAnimationInitializeContext& Context) override;
    ANIMGRAPHRUNTIME_API virtual void CacheBones_AnyThread(const FAnimationCacheBonesContext& Context) override;
    ANIMGRAPHRUNTIME_API virtual void UpdateAssetPlayer(const FAnimationUpdateContext& Context) override;
    ANIMGRAPHRUNTIME_API virtual void Evaluate_AnyThread(FPoseContext& Output) override;
    ANIMGRAPHRUNTIME_API virtual void GatherDebugData(FNodeDebugData& DebugData) override;
    // End of FAnimNode_Base interface
 
    // FAnimNode_PoseHandler interface 
    ANIMGRAPHRUNTIME_API virtual void RebuildPoseList(const FBoneContainer& InBoneContainer, const UPoseAsset* InPoseAsset) override;
};