AnimNode_BlendListByEnum.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "AnimNodes/AnimNode_BlendListBase.h"
#include "AnimNode_BlendListByEnum.generated.h"
 
// Blend List by Enum, it changes based on enum input that enters
USTRUCT(BlueprintInternalUseOnly)
struct FAnimNode_BlendListByEnum : public FAnimNode_BlendListBase
{
    GENERATED_BODY()
    
private:
#if WITH_EDITORONLY_DATA
    // Mapping from enum value to BlendPose index; there will be one entry per entry in the enum; entries out of range always map to pose index 0
    UPROPERTY(meta=(FoldProperty))
    TArray<int32> EnumToPoseIndex;
    
    // The currently selected pose (as an enum value)
    UPROPERTY(EditAnywhere, Category=Runtime, meta=(PinShownByDefault, FoldProperty))
    mutable uint8 ActiveEnumValue = 0;
#endif
    
public: 
    FAnimNode_BlendListByEnum() = default;
 
#if WITH_EDITORONLY_DATA
    // Set the mapping from enum value to BlendPose index. Called during compilation.
    ANIMGRAPHRUNTIME_API void SetEnumToPoseIndex(const TArray<int32>& InEnumToPoseIndex);
#endif
    
    // Get the mapping from enum value to BlendPose index; there will be one entry per entry in the enum; entries out of range always map to pose index 0
    ANIMGRAPHRUNTIME_API const TArray<int32>& GetEnumToPoseIndex() const;
    
    // Get the currently selected pose (as an enum value)
    ANIMGRAPHRUNTIME_API uint8 GetActiveEnumValue() const;
    
protected:
    ANIMGRAPHRUNTIME_API virtual int32 GetActiveChildIndex() override;
    virtual FString GetNodeName(FNodeDebugData& DebugData) override { return DebugData.GetNodeName(this); }
};