AnimNode_StateResult.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Animation/AnimNode_Root.h"
#include "Animation/AnimNodeFunctionRef.h"
#include "AnimNode_StateResult.generated.h"
 
struct FAnimNode_StateMachine;
class UAnimGraphNode_StateResult;
 
// Root node of an state machine state (sink node).
// We dont use AnimNode_Root to let us distinguish these nodes in the property list at link time.
USTRUCT(BlueprintInternalUseOnly)
struct FAnimNode_StateResult : public FAnimNode_Root
{
    GENERATED_USTRUCT_BODY()
 
    
    ENGINE_API bool SerializeFromMismatchedTag(const FPropertyTag& Tag, FStructuredArchive::FSlot Slot);
 
#if WITH_EDITORONLY_DATA
protected:
 
    UPROPERTY(meta = (FoldProperty))
    int32 StateIndex = -1;
#endif
 
public:
#if WITH_EDITORONLY_DATA
    void SetStateIndex(int32 InStateIndex) { StateIndex = InStateIndex; }   
#endif
 
    ENGINE_API int32 GetStateIndex() const;
    
    ENGINE_API const FAnimNodeFunctionRef& GetStateEntryFunction() const;
 
    ENGINE_API const FAnimNodeFunctionRef& GetStateFullyBlendedInFunction() const;
 
    ENGINE_API const FAnimNodeFunctionRef& GetStateExitFunction() const;
 
    ENGINE_API const FAnimNodeFunctionRef& GetStateFullyBlendedOutFunction() const;
 
private:
    friend struct FAnimNode_StateMachine;
    friend class UAnimGraphNode_StateResult;
 
#if WITH_EDITORONLY_DATA
    
    UPROPERTY(meta=(FoldProperty))
    FAnimNodeFunctionRef StateEntryFunction;
 
    UPROPERTY(meta=(FoldProperty))
    FAnimNodeFunctionRef StateFullyBlendedInFunction;
 
    UPROPERTY(meta=(FoldProperty))
    FAnimNodeFunctionRef StateExitFunction;
 
    UPROPERTY(meta=(FoldProperty))
    FAnimNodeFunctionRef StateFullyBlendedOutFunction;
 
#endif
};
 
template<>
struct TStructOpsTypeTraits<FAnimNode_StateResult>
    : public TStructOpsTypeTraitsBase2<FAnimNode_StateResult>
{
    enum
    {
        WithStructuredSerializeFromMismatchedTag = true,
    };
};