Unreal Engine Issues
Unreal Engine Issues
BP nativization emits incorrect C++ code for noexport-typed struct field access in some cases.
UE - Gameplay - Blueprint - Dec 18, 2019In BlueprintCompilerCppBackendUtils.cpp: #define MAP_BASE_STRUCTURE_ACCESS(x) \ BaseStructureAccessorsMap.Add(x, TEXT("#x")) Needs to be changed to: #define MAP_BASE_STRUCTURE_ACCESS(x) \ ...
Collections in content browser can't display native classes on 4.26
UE - Editor - Content Pipeline - Content Browser - Apr 12, 2021The filter in UContentBrowserClassDataSource::CompileFilter does not work because the enumerated class objects are FName without path, while the filter item is name with path. [Image Removed] ...
Subsequent packaging attempts fail when packaging with Chunks, Nativization, Full Rebuild and For Distribution enabled
UE - Foundation - Cpp Tools - Automation Tool - May 4, 2017Subsequent packaging attempts when Generate Chunks, Blueprint Nativization, Full Rebuild, and For Distribution are enabled will fail. The error that appears states that the AutomationTool log file i ...
Blueprint nativization does not properly convert references to other Blueprint class types marked NotForServer/NotForClient during export tagging.
UE - Gameplay - Blueprint Compiler - Jan 24, 2018Example: Widget Blueprint classes do not get nativized for WindowsServer configs when 'Load Widgets on Dedicated Server' is false (i.e. NeedsLoadForServer() returns false). As a result, if another c ...
Renaming native struct with redirect can break user defined structs
UE - Gameplay - Blueprint - Jul 18, 2018From https://udn.unrealengine.com/questions/444690/redirecting-ustruct-used-as-member-of-userdefineds.html In 4.20 it was changed so soft object ptrs pointing to classes work correclty with +ClassR ...
Large UMG Blueprint widget trees can lead to very long compile times when packaging with Blueprint nativization enabled.
UE - Gameplay - Blueprint - Sep 10, 2018Licensee reports very long C++ compile times during packaging after nativizing a UMG Blueprint asset containing a very large and heavily-nested widget animation hierarchy. The support thread outlin ...
Native struct types that declare one or more non-UPROPERTY fields are not initialized with the default value from a modified Blueprint CDO.
UE - Gameplay - Blueprint - Feb 12, 2020Dynamically-spawned instances of a Blueprint class go through an optimized property initialization pass (see UBlueprintGeneratedClass::BuildCustomPropertyListForPostConstruction() and InitProperties ...
Creating a new user defined struct with the same name as a native declared struct crashes the editor (e.g., "MyStruct" which already exists for some reason)
UE - Gameplay - Blueprint Editor - Mar 31, 2020Error message:Fatal error: [File:G:/UE4/Projekte/4.25/Engine/Source/Runtime/CoreUObject/Private/UObject/Class.cpp] [Line: 2503] Couldn't bind to native struct STRUCT_REINST_MyStruct_0. Headers nee ...
Error: FAsyncPackage::LoadImports for <some asset>: Skipping import PaperTileMap /Script/Paper2D.Default__PaperTileMapActor:RenderComponent.PaperTileMap_0, depends on missing native class
UE - Gameplay - Blueprint Compiler - Jun 30, 2020User reporting seeing this error start appearing in 4.25.1 (possibly 4.25.x, unsure if they were previously testing on 4.25.0 or not). It appears 'benign' as the expected data still gets loaded, bu ...
Nativized UMG assets not visible
UE - Gameplay - Blueprint Runtime - Aug 4, 2016Widgets appear and function fine in regular PIE. This may be a result of recent changes to widgets in Dev-Editor. Will regress upon request. ...