Unreal Engine Issues
Unreal Engine Issues
HeaderTool issue with comment format
UE - Foundation - Core - May 18, 2015If a user is attempting to apply a header comment to a function, if the following syntax is used, the editor will return the error "End of class header encountered inside comment" /** @brief Values ...
Modifying a Static Mesh's "Y" Collision Rotation also modifies "X" and "Z" Rotation
UE - Gameplay - Dec 12, 2016If the user modifies the "Y" Rotation value of a Static Mesh's Collision, the "X" and "Z" values are changed. The values will move +/- 1 point from their value prior to modifying the Y value. This ...
BP - Nativized build will crash at runtime if a BP class enabled for nativization includes a ChildActorComponent with a BP not enabled for nativization set as the ChildActor class.
UE - Gameplay - Blueprint - Apr 20, 2017Note: The same crash will occur if the nativization mode is set to "Inclusive" in the Project settings and if the ChildActor BP class is a data-only Blueprint (i.e. has no script or member variables ...
bPersistentLines is not respected by DrawDebugLine
UE - Graphics Features - Nov 1, 2018It looks like the line's lifetime is forced to the default line lifetime of one second if the provided lifetime is less than zero, which would be the case if calling the function with just enough pa ...
lots of wasted Volumetric lightmap samples
UE - Graphics Features - Lumen - Jun 20, 2019Expectations: The samples should only surround the lightmass importance volumes. Imagine if we build a 8K*8K map with lightmap importance volume at the corners of the map, even using stream levels ...
Linked animation graph doesn't trigger anim notifications on dedicated server.
OLD - Anim - Jun 15, 2020Linked animation graph doesn't trigger anim notifications on dedicated server. There is no expected message in log: LogBlueprintUserMessages: [HitReact_AnimBP_C_0] Client 0: HitNotify IsServer: tru ...
AnimNotifyState with the same class, but different content at the same time will only one be triggred
UE - Anim - Runtime - Oct 26, 2022UDN Case : https://udn.unrealengine.com/s/question/0D54z00008G3EmwCAF/two-c-based-animnotifystate-with-the-same-class-but-different-content-at-the-same-time-will-only-one-be-triggred?fromCase=1 ...
Issues converting enum to byte in BP
UE - Gameplay - Blueprint - Sep 8, 2015User experienced unexpected AI behavior and was kind enough to share a stripped down version of the project. I was able to nail down issues user was experiencing to failed enum-to-byte conversion. U ...
[CrashReport] UE4Editor_Core!FModuleManager::UnloadModule() [modulemanager.cpp:557]
UE - Foundation - Core - Feb 27, 2017Error message: Assertion failed: ModuleInfo.Module.IsUnique() [Link Removed] [Line: 557] Source Context: Most recent user affected CL: Logs: See attached Issue call stack shares some similariti ...
Add material API to python
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jan 20, 2020UDN ask to control mesh materials in python script. The API is public but not expose. I suggest to add functionalities to the editor scripting utilities plugin for both static and skeletal meshes. ...