ContentBundleWorldSubsystem.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Object.h"
 
#include "WorldPartition/ContentBundle/ContentBundleContainer.h"
 
#include "ContentBundleWorldSubsystem.generated.h"
 
class FContentBundle;
class UContentBundleDescriptor;
class FContentBundleClient;
class FContentBundleEditor;
class UWorldPartition;
class UCanvas;
 
#if WITH_EDITOR
class URuntimeHashExternalStreamingObjectBase;
class UContentBundleDuplicateForPIEHelper;
#endif
 
UCLASS(MinimalAPI)
class UContentBundleManager : public UObject
{
    GENERATED_BODY()
 
public:
    ENGINE_API UContentBundleManager();
 
    ENGINE_API void Initialize();
    ENGINE_API void Deinitialize();
 
    ENGINE_API bool CanInject() const;
 
    static ENGINE_API void AddReferencedObjects(UObject* InThis, FReferenceCollector& Collector);
 
#if WITH_EDITOR
    ENGINE_API bool GetEditorContentBundle(TArray<TSharedPtr<FContentBundleEditor>>& OutContentBundles);
    ENGINE_API TSharedPtr<FContentBundleEditor> GetEditorContentBundle(const UContentBundleDescriptor* Descriptor, const UWorld* ContentBundleWorld) const;
    ENGINE_API TSharedPtr<FContentBundleEditor> GetEditorContentBundle(const FGuid& ContentBundleGuid) const;
 
    UContentBundleDuplicateForPIEHelper* GetPIEDuplicateHelper() const { return PIEDuplicateHelper; }
 
    ENGINE_API void CheckForErrors() const;
#endif
 
    ENGINE_API const FContentBundleBase* GetContentBundle(const UWorld* InWorld, const FGuid& Guid) const;
    ENGINE_API void DrawContentBundlesStatus(const UWorld* InWorld, UCanvas* Canvas, FVector2D& Offset) const;
 
private:
    ENGINE_API uint32 GetContentBundleContainerIndex(const UWorld* InjectedWorld) const;
    ENGINE_API const TUniquePtr<FContentBundleContainer>* GetContentBundleContainer(const UWorld* InjectedWorld) const;
    ENGINE_API TUniquePtr<FContentBundleContainer>* GetContentBundleContainer(const UWorld* InjectedWorld);
 
    ENGINE_API void OnWorldPartitionInitialized(UWorldPartition* WorldPartition);
    ENGINE_API void OnWorldPartitionUninitialized(UWorldPartition* WorldPartition);
 
    TArray<TUniquePtr<FContentBundleContainer>> ContentBundleContainers;
 
#if WITH_EDITORONLY_DATA
    UPROPERTY()
    TObjectPtr<UContentBundleDuplicateForPIEHelper> PIEDuplicateHelper;
#endif
};
 
 
 
UCLASS()
class UContentBundleDuplicateForPIEHelper : public UObject
{
    GENERATED_BODY()
 
public:
#if WITH_EDITOR
    void Initialize();
    void Deinitialize();
 
    bool StoreContentBundleStreamingObect(const FContentBundleEditor& ContentBundleEditor, URuntimeHashExternalStreamingObjectBase* StreamingObject);
    URuntimeHashExternalStreamingObjectBase* RetrieveContentBundleStreamingObject(const FContentBundle& ContentBundle) const;
 
    uint32 GetStreamingObjectCount() { return StreamingObjects.Num(); }
    void Clear() { StreamingObjects.Empty(); }
#endif
 
private:
    void OnPIEEnded(const bool bIsSimulating);
 
#if WITH_EDITORONLY_DATA
    UPROPERTY()
    TMap<FGuid, TObjectPtr<URuntimeHashExternalStreamingObjectBase>> StreamingObjects;
#endif
 
};