DeletedObjectPlaceholder.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreFwd.h"
#include "UObject/ObjectMacros.h"
 
#if WITH_EDITOR
#include "WorldPartition/DataLayer/ExternalDataLayerUID.h"
#endif
 
#include "DeletedObjectPlaceholder.generated.h"
 
class UActorDescContainer;
class UDeletedObjectPlaceholder;
 
UCLASS(Transient, MinimalAPI)
class UDeletedObjectPlaceholder : public UObject
{
    GENERATED_BODY()
 
public:
 
#if WITH_EDITOR
    virtual bool IsAsset() const override;
    virtual void PostEditUndo() override;
    
    const UObject* GetOriginalObject() const { return OriginalObject.Get(); }
    const FString& GetDisplayName() const { return DisplayName; }
    const FExternalDataLayerUID GetExternalDataLayerUID() const { return FExternalDataLayerUID(ExternalDataLayerUID); }
 
    static ENGINE_API UDeletedObjectPlaceholder* Create(UObject* InOuter, UPackage* InPackage, const UObject* InOriginalObject);
    static ENGINE_API UDeletedObjectPlaceholder* FindInPackage(const UPackage* InPackage);
    static ENGINE_API UDeletedObjectPlaceholder* RemoveFromPackage(UPackage* InPackage);
 
    DECLARE_MULTICAST_DELEGATE_OneParam(FObjectCreated, const UDeletedObjectPlaceholder*);
    static ENGINE_API FObjectCreated OnObjectCreated;
#endif
 
private:
 
#if WITH_EDITORONLY_DATA
    UPROPERTY()
    FString DisplayName;
 
    UPROPERTY()
    uint32 ExternalDataLayerUID;
 
    UPROPERTY()
    TWeakObjectPtr<const UObject> OriginalObject;
#endif
};