C++ (Cpp) CopyFromWeakArray示例

示例#1

文件： SpriteComponentDetailsCustomization.cpp 项目： PickUpSU/UnrealEngine4

FReply FSpriteComponentDetailsCustomization::MergeSprites()
{
	TArray<UObject*> StrongObjects;
	CopyFromWeakArray(StrongObjects, ObjectsBeingCustomized);

	FPaperGroupedSpriteUtilities::MergeSprites(StrongObjects);

	return FReply::Handled();
}

示例#2

文件： BrushDetails.cpp 项目： frobro98/UnrealSource

END_SLATE_FUNCTION_BUILD_OPTIMIZATION

FReply FBrushDetails::OnCreateStaticMesh()
{
	TArray<AActor*> ValidSelectedBrushes;
	CopyFromWeakArray(ValidSelectedBrushes, SelectedBrushes);

	GEditor->ConvertActors(ValidSelectedBrushes, AStaticMeshActor::StaticClass(), TSet<FString>(), true);

	return FReply::Handled();
}

示例#3

文件： GroupedSpriteDetailsCustomization.cpp 项目： PickUpSU/UnrealEngine4

FReply FGroupedSpriteComponentDetailsCustomization::SortSprites()
{
	TArray<UObject*> StrongObjects;
	CopyFromWeakArray(StrongObjects, ObjectsBeingCustomized);

	TArray<UActorComponent*> ComponentList;
	TArray<AActor*> IgnoredList;
	FPaperGroupedSpriteUtilities::BuildHarvestList(StrongObjects, UPaperGroupedSpriteComponent::StaticClass(), /*out*/ ComponentList, /*out*/ IgnoredList);

	const FVector SortAxis = GetDefault<URendererSettings>()->TranslucentSortAxis;

	const FScopedTransaction Transaction(LOCTEXT("SortSprites", "Sort instances in group"));
	for (UActorComponent* Component : ComponentList)
	{
		UPaperGroupedSpriteComponent* GroupedComponent = CastChecked<UPaperGroupedSpriteComponent>(Component);
		GroupedComponent->SortInstancesAlongAxis(SortAxis);
	}

	GEditor->RedrawLevelEditingViewports(true);

	return FReply::Handled();
}