ArchiveHasReferences.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/Array.h"
#include "Containers/Set.h"
#include "CoreMinimal.h"
#include "Serialization/ArchiveUObject.h"
 
class FArchive;
class UObject;
 
class FArchiveHasReferences : private FArchiveUObject
{
public:
    COREUOBJECT_API FArchiveHasReferences(UObject* InTarget, const TSet<UObject*>& InPotentiallyReferencedObjects);
 
    bool HasReferences() const { return Result; }
 
    static COREUOBJECT_API TArray<UObject*> GetAllReferencers(const TArray<UObject*>& Referencees, const TSet<UObject*>* ObjectsToIgnore );
    static COREUOBJECT_API TArray<UObject*> GetAllReferencers(const TSet<UObject*>& Referencees, const TSet<UObject*>* ObjectsToIgnore );
 
private:
    COREUOBJECT_API virtual FArchive& operator<<( UObject*& Obj ) override;
 
    UObject* Target;
    const TSet<UObject*>& PotentiallyReferencedObjects;
    bool Result;
};