ExternalDataLayerInstance.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreFwd.h"
#include "UObject/ObjectMacros.h"
#include "WorldPartition/DataLayer/DataLayerInstanceWithAsset.h"
#include "ExternalDataLayerInstance.generated.h"
 
class UDataLayerAsset;
class UExternalDataLayerAsset;
 
UCLASS(Config = Engine, PerObjectConfig, BlueprintType, AutoCollapseCategories = ("Data Layer|Advanced"), AutoExpandCategories = ("Data Layer|Editor", "Data Layer|Advanced|Runtime"), MinimalAPI)
class UExternalDataLayerInstance : public UDataLayerInstanceWithAsset
{
    GENERATED_BODY()
 
public:
 
    //~ Begin UDataLayerInstance Interface
    virtual UWorld* GetOuterWorld() const override;
    virtual bool CanHaveParentDataLayerInstance() const override { return false; }
    //~ End UDataLayerInstance Interface
 
    ENGINE_API const UExternalDataLayerAsset* GetExternalDataLayerAsset() const;
 
#if WITH_EDITOR
    //~ Begin UDataLayerInstanceWithAsset Interface
    ENGINE_API static FName MakeName(const UDataLayerAsset* InDataLayerAsset);
    ENGINE_API static TSubclassOf<UDataLayerInstanceWithAsset> GetDataLayerInstanceClass();
    virtual bool CanEditDataLayerAsset() const override { return false; }
    //~ End UDataLayerInstanceWithAsset Interface
 
    //~ Begin UDataLayerInstance Interface
    ENGINE_API virtual const TCHAR* GetDataLayerIconName() const override;
    ENGINE_API virtual void OnCreated(const UDataLayerAsset* Asset) override;
    ENGINE_API virtual bool IsReadOnly(FText* OutReason = nullptr) const override;
    ENGINE_API virtual bool CanUserAddActors(FText* OutReason = nullptr) const override;
    ENGINE_API virtual bool CanUserRemoveActors(FText* OutReason = nullptr) const override;
    ENGINE_API virtual bool CanAddActor(AActor* Actor, FText* OutReason = nullptr) const override;
    ENGINE_API virtual bool CanRemoveActor(AActor* Actor, FText* OutReason = nullptr) const override;
    ENGINE_API virtual bool CanHaveChildDataLayerInstance(const UDataLayerInstance* DataLayerInstance) const override;
    virtual bool CanBeRemoved() const override { return false; }
    //~ End UDataLayerInstance Interface
#endif
 
protected:
#if WITH_EDITOR
    //~ Begin UDataLayerInstanceWithAsset Interface
    ENGINE_API virtual bool PerformAddActor(AActor* Actor) const override;
    ENGINE_API virtual bool PerformRemoveActor(AActor* Actor) const override;
    //~ End UDataLayerInstanceWithAsset Interface
#endif
 
    friend class FExternalDataLayerHelper;
};