AnimNode_PoseSnapshot.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 "Animation/PoseSnapshot.h"
#include "AnimNode_PoseSnapshot.generated.h"
 
class UAnimInstance;
 
UENUM()
enum class ESnapshotSourceMode : uint8
{
    NamedSnapshot,
 
    SnapshotPin
};
 
USTRUCT(BlueprintInternalUseOnly)
struct FAnimNode_PoseSnapshot : public FAnimNode_Base
{
    GENERATED_USTRUCT_BODY()
 
public: 
 
    ANIMGRAPHRUNTIME_API FAnimNode_PoseSnapshot();
 
    virtual bool HasPreUpdate() const override  { return true; }
    ANIMGRAPHRUNTIME_API virtual void PreUpdate(const UAnimInstance* InAnimInstance) override;
    ANIMGRAPHRUNTIME_API virtual void Update_AnyThread(const FAnimationUpdateContext& Context) override;
    ANIMGRAPHRUNTIME_API virtual void Evaluate_AnyThread(FPoseContext& Output) override;
    ANIMGRAPHRUNTIME_API virtual void GatherDebugData(FNodeDebugData& DebugData) override;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Snapshot", meta = (PinShownByDefault))
    FName SnapshotName;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Snapshot", meta = (PinHiddenByDefault))
    FPoseSnapshot Snapshot;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Snapshot", meta = (PinHiddenByDefault))
    ESnapshotSourceMode Mode;
 
private:
    TArray<int32> SourceBoneMapping;
 
    TArray<FName> TargetBoneNames;
 
    FName MappedSourceMeshName;
    FName MappedTargetMeshName;
 
    FName TargetBoneNameMesh;
 
private:
    ANIMGRAPHRUNTIME_API void ApplyPose(const FPoseSnapshot& PoseSnapshot, FCompactPose& OutPose);
 
    ANIMGRAPHRUNTIME_API void CacheBoneMapping(FName SourceMeshName, FName TargetMeshName, const TArray<FName>& InSourceBoneNames, const TArray<FName>& InTargetBoneNames);
};