77 lines
3.7 KiB
C++
77 lines
3.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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/*==================================================================================================
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FixupNeedsLoadForEditorGameCommandlet.cpp: Fixes outdated NeedsLoadForEditorGame flags on exports
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====================================================================================================*/
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#include "Commandlets/FixupNeedsLoadForEditorGameCommandlet.h"
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#include "UObject/Class.h"
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#include "UObject/Package.h"
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#include "UObject/LinkerLoad.h"
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int32 UFixupNeedsLoadForEditorGameCommandlet::InitializeResaveParameters(const TArray<FString>& Tokens, TArray<FString>& MapPathNames)
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{
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int32 Result = Super::InitializeResaveParameters(Tokens, MapPathNames);
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// We need ResaveClasses to be specified, otherwise we won't know what to update
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if (Result == 0 && !ResaveClasses.Num())
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{
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UE_LOG(LogContentCommandlet, Error, TEXT("FixupNeedsLoadForEditorGame commandlet requires at least one resave class name. Use -RESAVECLASS=ClassA,ClassB,ClassC to specify resave classes."));
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Result = 1;
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}
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else
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{
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for (FName& ClassName: ResaveClasses)
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{
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if (!ResaveClassNeedsLoadForEditorGameValues.Contains(ClassName))
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{
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UClass* ResaveClass = FindObject<UClass>(ANY_PACKAGE, *ClassName.ToString());
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if (ResaveClass)
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{
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UObject* DefaultObject = ResaveClass->GetDefaultObject();
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ResaveClassNeedsLoadForEditorGameValues.Add(ClassName, DefaultObject->NeedsLoadForEditorGame());
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}
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}
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else if (Verbosity != UResavePackagesCommandlet::ONLY_ERRORS)
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{
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UE_LOG(LogContentCommandlet, Warning, TEXT("Resave Class \"%s\" could not be found. Make sure the class name is valid and that it's a native class."), *ClassName.ToString());
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}
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}
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if (ResaveClassNeedsLoadForEditorGameValues.Num() == 0)
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{
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UE_LOG(LogContentCommandlet, Error, TEXT("Got %d classes to resave but none of the exist."), ResaveClasses.Num());
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Result = 1;
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}
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}
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return Result;
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}
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void UFixupNeedsLoadForEditorGameCommandlet::PerformPreloadOperations(FLinkerLoad* PackageLinker, bool& bSavePackage)
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{
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Super::PerformPreloadOperations(PackageLinker, bSavePackage);
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if (bSavePackage)
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{
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// The package contains a class we want to check but we don't want to save it unless
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// any of the exports has an outdated (compared to a CDO) NeedsLoadForEditorGame flag.
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bSavePackage = false;
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for (int32 ExportIndex = 0; ExportIndex < PackageLinker->ExportMap.Num(); ExportIndex++)
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{
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FName ExportClassName = PackageLinker->GetExportClassName(ExportIndex);
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bool* bNeedsLoadForEditorGameValuePtr = ResaveClassNeedsLoadForEditorGameValues.Find(ExportClassName);
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if (bNeedsLoadForEditorGameValuePtr)
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{
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FObjectExport& Export = PackageLinker->ExportMap[ExportIndex];
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// The condition below may seem confusing because bNotAlwaysLoadedForEditorGame = !bNeedsLoadForEditorGame
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// At the moment we only update assets that had bNotAlwaysLoadedForEditorGame set to true but NeedsLoadForEditorGame returns true
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// and either bNotForClient or bNotForServer is true.
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if (Export.bNotAlwaysLoadedForEditorGame &&
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Export.bNotAlwaysLoadedForEditorGame == *bNeedsLoadForEditorGameValuePtr &&
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(Export.bNotForClient || Export.bNotForServer))
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{
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bSavePackage = true;
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break;
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}
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}
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}
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}
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}
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