Unreal Engine Issues
Unreal Engine Issues
Ledge Movement Stuck (CheckLedgeDirection is always returning true)
UE - Gameplay - Nov 20, 2023The issue appears to that CheckLedgeDirection almost always returns true, which returns the leftward side step. This is correct for the leftward direction, but is not valid for the rightward directi ...
Rebuild (with hot reload) fails on newly-created projects
UE - Foundation - Cpp Tools - Hot Reload - Jan 18, 2018Performing a Rebuild with a hot reload on a brand new code project will fail unless both the Editor and Visual Studio have first been closed and then re-opened. The same result occurs if a Clean is ...
LightMap is created exceeding [Packed Light and Shadow Map Texutre Size]
UE - Graphics Features - Lumen - Oct 3, 2019When LightBuild is performed with CornTestBox.umap of EngineTest, 4096 light maps are generated even though [Packed Light and Shadow Map Texutre Size] is 1024. The reason is that the asset's LightMa ...
Landscape LOD behaviours is not working as expected (Its Calculation is not based on Sections anymore)
UE - Graphics Tools - Terrain - Landscape - Apr 10, 2024"Components can optionally be divided into either 1 or 4 (2x2) subsections to increase the resolution of the Landscape. These subsections are the base unit of Landscape LOD calculation." From Doc ...
Blueprint actor reference breaks after hot reload
UE - Gameplay - Blueprint - Apr 21, 2016Reference to a blueprint based on a custom class will break if changes are made to the parent class and a hot reload is performed. Error Displayed added to Callstack section. Workaround: Compiling ...
Permanent FPS Drop After Using High Resolution Screenshot With Planar Reflections
UE - Graphics Features - Mar 9, 2017After taking a high res screenshot with a planar reflection actor in the scene the engine will experience a permanent performance hit relative to the resolution of the screenshot. For example if you ...
A packaged game that includes a code class that references a widget Blueprint will display an error on launch stating that the widget blueprint cannot be found.
UE - Editor - UI Systems - Sep 24, 2015If a widget Blueprint is referenced in code, an error is displayed when the packaged game is launched stating that the widget could not be found (in 4.11 the widget still appears to be successfully ...
Crash when opening a different level after opening the preloaded level using Asset Manager
UE - Gameplay - Jan 29, 2019After opens the preloaded level using Asset Manager, opening another level before unloading the level will crash. Because AssetManager holds FStreamableHandle of the level, garbage collection is no ...
Array index out of range with StopTree
UE - AI - Mar 26, 2019Crashes when exiting PIE while executing multiple async tasks. By explicitly executing EndTask and FinishAbort of RecieveAbort, this caused by performing out-of-range in array access to InstanceStac ...
Reading data back from rendertarget not working on Android opengles 3.x
UE - Platform - Mobile - Aug 7, 2019From user: "I believe the issue is deal to the implementation of FAndroidOpenGL, there is no overriding of FOpenGL::SupportsMapBuffer(),which always return from the base FOpenGLES2 method and it is ...