WorldPartitionConverter.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "WorldPartition/WorldPartitionEditorHash.h"
#include "WorldPartition/WorldPartitionRuntimeHash.h"
 
#if WITH_EDITOR
 
class AActor;
class ULevel;
class ULevelStreaming;
class UPackage;
class UWorld;
 
class FWorldPartitionConverter
{
public:
    struct FParameters
    {
        FParameters()
        : bConvertSubLevels(true)
        , bEnableStreaming(true)
        , bEnableLoadingInEditor(true)
        , bUseActorFolders(true)
        , EditorHashClass(nullptr)
        , RuntimeHashClass(nullptr)
        {}
 
        bool bConvertSubLevels;
        bool bEnableStreaming;
        bool bEnableLoadingInEditor;
        bool bUseActorFolders;
        TSubclassOf<UWorldPartitionEditorHash> EditorHashClass;
        TSubclassOf<UWorldPartitionRuntimeHash> RuntimeHashClass;
    };
 
    static ENGINE_API bool Convert(UWorld* InWorld, const FWorldPartitionConverter::FParameters& InParameters);
 
private:
 
    FWorldPartitionConverter(UWorld* InWorld, const FWorldPartitionConverter::FParameters& InParameters);
    bool Convert();
    bool ShouldDeleteActor(AActor* InActor, bool bIsMainLevel) const;
    void ChangeObjectOuter(UObject* InObject, UObject* InNewOuter);
    void GatherAndPrepareSubLevelsToConvert(ULevel* InLevel, TArray<ULevel*>& OutSubLevels);
    bool PrepareStreamingLevelForConversion(ULevelStreaming* InStreamingLevel);
    bool LevelHasLevelScriptBlueprint(ULevel* InLevel);
    void FixupSoftObjectPaths(UPackage* OuterPackage);
    
    UWorld* World;
    FWorldPartitionConverter::FParameters Parameters;
    TMap<FString, FString> RemapSoftObjectPaths;
};
 
#endif