HLODSourceActors.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "HLODSourceActors.generated.h"
 
 
class FHLODHashBuilder;
class ULevelStreaming;
class UHLODLayer;
 
 
UCLASS(Abstract, MinimalAPI)
class UWorldPartitionHLODSourceActors : public UObject
{
    GENERATED_UCLASS_BODY()
 
public:
#if WITH_EDITOR
    virtual bool LoadSourceActors(bool& bOutDirty, UWorld* TargetWorld) const PURE_VIRTUAL(UWorldPartitionHLODSourceActors::LoadSourceActors, return false; );
    ENGINE_API virtual void ComputeHLODHash(FHLODHashBuilder& HashBuilder) const;
 
    ENGINE_API void SetHLODLayer(const UHLODLayer* HLODLayer);
    ENGINE_API const UHLODLayer* GetHLODLayer() const;
 
    UE_DEPRECATED(5.7, "GetHLODHash() has been replaced by ComputeHLODHash()")
    virtual uint32 GetHLODHash() const final { return 0; }
 
    UE_DEPRECATED(5.7, "Use LoadSourceActors() override with a TargetWorld instead")
    virtual ULevelStreaming* LoadSourceActors(bool& bOutDirty) const final { return nullptr; }
#endif
 
private:
#if WITH_EDITORONLY_DATA
    UPROPERTY()
    TObjectPtr<const UHLODLayer> HLODLayer;
#endif
};