AnimNode_AimOffsetLookAt.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Animation/AnimNodeBase.h"
#include "AnimNodes/AnimNode_BlendSpacePlayer.h"
#include "AnimNode_AimOffsetLookAt.generated.h"
 
USTRUCT(BlueprintInternalUseOnly)
struct FAnimNode_AimOffsetLookAt : public FAnimNode_BlendSpacePlayer
{
    GENERATED_BODY()
 
    
    FTransform SocketLocalTransform;
 
    FTransform PivotSocketLocalTransform;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Links)
    FPoseLink BasePose;
 
    /*
    * Max LOD that this node is allowed to run
    * For example if you have LODThreshold to be 2, it will run until LOD 2 (based on 0 index)
    * when the component LOD becomes 3, it will stop update/evaluate
    * currently transition would be issue and that has to be re-visited
    */
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Performance, meta = (DisplayName = "LOD Threshold"))
    int32 LODThreshold;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = LookAt, meta = (PinHiddenByDefault))
    FName SourceSocketName;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = LookAt, meta = (PinHiddenByDefault))
    FName PivotSocketName;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = LookAt, meta = (PinShownByDefault))
    FVector LookAtLocation;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = LookAt, meta = (PinHiddenByDefault))
    FVector SocketAxis;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = LookAt, meta = (PinShownByDefault))
    float Alpha;
 
    FVector CurrentBlendInput;
 
    FBoneReference SocketBoneReference;
 
    FBoneReference PivotSocketBoneReference;
 
    bool bIsLODEnabled;
 
public:
    ANIMGRAPHRUNTIME_API FAnimNode_AimOffsetLookAt();
 
    // FAnimNode_Base interface
    ANIMGRAPHRUNTIME_API virtual void OnInitializeAnimInstance(const FAnimInstanceProxy* InProxy, const UAnimInstance* InAnimInstance) override;
    virtual bool NeedsOnInitializeAnimInstance() const override { return true; }
    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;
    virtual int32 GetLODThreshold() const override { return LODThreshold; }
    // End of FAnimNode_Base interface
 
    // FAnimNode_BlendSpacePlayer interface
    ANIMGRAPHRUNTIME_API virtual FVector GetPosition() const override;
 
    ANIMGRAPHRUNTIME_API void UpdateFromLookAtTarget(FPoseContext& LocalPoseContext);
};