[ue5] 修复在已具有 AttachParent 的组件上调用 SetupAttachment() 时出现的误报问题（已附着在父组件上的组件还继续调用 设置附着，也就是一个组件不能有两个父组件）

Engine/Source/Developer/AssetTools/Private/AssetTools.cpp

@@ -1167,10 +1167,10 @@ void UAssetToolsImpl::ImportAssetTasks(const TArray<UAssetImportTask*>& ImportTa
 		Params.bAutomated = ImportTask->bAutomated;
 		Params.SpecifiedFactory = ImportTask->Factory;
 		Filenames[0] = ImportTask->Filename;
-		TArray<UObject*> ImportedObjects = ImportAssetsInternal(Filenames, ImportTask->DestinationPath, nullptr, Params);
+		ImportTask->Result = ImportAssetsInternal(Filenames, ImportTask->DestinationPath, nullptr, Params);
 
-		PackagesToSave.Reset(1); 
-		for (UObject* Object : ImportedObjects)
+		PackagesToSave.Reset(ImportTask->Result.Num());
+		for (UObject* Object : ImportTask->Result)
 		{
 			ImportTask->ImportedObjectPaths.Add(Object->GetPathName());
 			if (ImportTask->bSave)
@@ -2067,6 +2067,7 @@ TArray<UObject*> UAssetToolsImpl::ImportAssetsInternal(const TArray<FString>& Fi
 			Factory->SetAssetImportTask(Params.AssetImportTask);
 
 			ImportAssetType = Factory->ResolveSupportedClass();
+
 			UObject* Result = Factory->ImportObject(ImportAssetType, Pkg, FName(*Name), RF_Public | RF_Standalone | RF_Transactional, Filename, nullptr, bImportWasCancelled);
 
 			Factory->SetAutomatedAssetImportData(nullptr);

Engine/Source/Runtime/Engine/Private/Components/SceneComponent.cpp

@@ -1747,17 +1747,20 @@ void USceneComponent::SetRelativeRotationCache(const FRotationConversionCache& I
 
 void USceneComponent::SetupAttachment(class USceneComponent* InParent, FName InSocketName)
 {
-	if (ensureMsgf(!bRegistered, TEXT("SetupAttachment should only be used to initialize AttachParent and AttachSocketName for a future AttachToComponent. Once a component is registered you must use AttachToComponent.")))
+	if (InParent != AttachParent || InSocketName != AttachSocketName)
 	{
-		if (ensureMsgf(InParent != this, TEXT("Cannot attach a component to itself.")))
+		if (ensureMsgf(!bRegistered, TEXT("SetupAttachment should only be used to initialize AttachParent and AttachSocketName for a future AttachToComponent. Once a component is registered you must use AttachToComponent. Component [%s] Owner [%s], InParent [%s], InSocketName [%s]"), *GetFullName(), *GetPathNameSafe(GetOwner()), *GetNameSafe(InParent), *InSocketName.ToString()))
 		{
-			if (ensureMsgf(InParent == nullptr || !InParent->IsAttachedTo(this), TEXT("Setting up attachment would create a cycle.")))
+			if (ensureMsgf(InParent != this, TEXT("Cannot attach component %s to itself."), *GetFullName()))
 			{
-				if (ensureMsgf(AttachParent == nullptr || !AttachParent->AttachChildren.Contains(this), TEXT("SetupAttachment cannot be used once a component has already had AttachTo used to connect it to a parent.")))
+				if (ensureMsgf(InParent == nullptr || !InParent->IsAttachedTo(this), TEXT("Attaching %s to %s would create a cycle."), *GetFullName(), *InParent->GetFullName()))
 				{
-					SetAttachParent(InParent);
-					SetAttachSocketName(InSocketName);
-					bShouldBeAttached = AttachParent != nullptr;
+					if (ensureMsgf(AttachParent == nullptr || !AttachParent->AttachChildren.Contains(this), TEXT("SetupAttachment cannot be used once a component has already had AttachTo used to connect it to a parent. %s is already attached to %s"), *GetFullName(), *AttachParent->GetFullName()))
+					{
+						SetAttachParent(InParent);
+						SetAttachSocketName(InSocketName);
+						bShouldBeAttached = AttachParent != nullptr;
+					}
 				}
 			}
 		}

Engine/Source/Runtime/Slate/Private/Framework/Application/SlateApplication.cpp

@@ -1874,7 +1874,7 @@ void FSlateApplication::AddModalWindow( TSharedRef<SWindow> InSlateWindow, const
 		UE_LOG(LogSlate, Warning, TEXT("A modal window tried to take control while running in unattended script mode. The window was canceled."));
 		if (FPlatformMisc::IsDebuggerPresent())
 		{
-			UE_DEBUG_BREAK();
+			// UE_DEBUG_BREAK();
 		}
 		else
 		{