DataLayerEditorContext.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Engine/EngineTypes.h"
 
#if WITH_EDITOR
 
class UDataLayerInstance;
class UWorld;
 
struct FDataLayerEditorContext
{
public:
    static const uint32 EmptyHash = 0;
    FDataLayerEditorContext() : Hash(FDataLayerEditorContext::EmptyHash) {}
    ENGINE_API FDataLayerEditorContext(UWorld* InWorld, const TArray<FName>& InDataLayerInstances);
    inline bool IsEmpty() const { return (Hash == FDataLayerEditorContext::EmptyHash) && DataLayerInstances.IsEmpty(); }
    inline uint32 GetHash() const { return Hash; }
    inline const TArray<FName>& GetDataLayerInstanceNames() const { return DataLayerInstances; }
private:
    uint32 Hash;
    TArray<FName> DataLayerInstances;
};
#endif