88 lines
3.1 KiB
C
88 lines
3.1 KiB
C
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// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Misc/CoreDelegates.h"
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class IPackageLocalizationCache;
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/** Singleton class that manages localized package data. */
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class COREUOBJECT_API FPackageLocalizationManager
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{
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public:
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typedef TFunction<void(FPackageLocalizationManager&)> FLazyInitFunc;
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/**
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* Initialize the manager from the callback set by InitializeFromLazyCallback. It is expected that this callback calls one of the InitializeFromX functions.
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*/
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void PerformLazyInitialization();
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/**
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* Initialize the manager lazily using the given callback. It is expected that this callback calls one of the InitializeFromX functions.
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*
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* @param InLazyInitFunc The function to call to initialize the manager.
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*/
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void InitializeFromLazyCallback(FLazyInitFunc InLazyInitFunc);
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/**
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* Initialize the manager using the given cache. This will perform an initial scan for localized packages.
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*
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* @param InCache The cache the manager should use.
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*/
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void InitializeFromCache(const TSharedRef<IPackageLocalizationCache>& InCache);
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/**
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* Initialize this manager using the default cache. This will perform an initial scan for localized packages.
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*/
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void InitializeFromDefaultCache();
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/**
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* Try and find the localized package name for the given source package for the active culture.
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*
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* @param InSourcePackageName The name of the source package to find.
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*
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* @return The localized package name, or NAME_None if there is no localized package.
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*/
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FName FindLocalizedPackageName(const FName InSourcePackageName);
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/**
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* Try and find the localized package name for the given source package for the given culture.
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*
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* @param InSourcePackageName The name of the source package to find.
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* @param InCultureName The name of the culture to find the package for.
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*
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* @return The localized package name, or NAME_None if there is no localized package.
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*/
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FName FindLocalizedPackageNameForCulture(const FName InSourcePackageName, const FString& InCultureName);
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/**
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* Update this cache, but only if it is dirty.
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*/
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void ConditionalUpdateCache();
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/**
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* Singleton accessor.
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*
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* @return The singleton instance of the localization manager.
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*/
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static FPackageLocalizationManager& Get();
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private:
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/**
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* Try and find the localized package name for the given source package for the given culture, but without going through the cache.
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*
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* @param InSourcePackageName The name of the source package to find.
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* @param InCultureName The name of the culture to find the package for.
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*
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* @return The localized package name, or NAME_None if there is no localized package.
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*/
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FName FindLocalizedPackageNameNoCache(const FName InSourcePackageName, const FString& InCultureName) const;
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/** Function to call to lazily initialize the manager. */
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FLazyInitFunc LazyInitFunc;
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/** Pointer to our currently active cache. Only valid after Initialize has been called. */
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TSharedPtr<IPackageLocalizationCache> ActiveCache;
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};
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