Unreal Engine Issues
Unreal Engine Issues
Adding HISMC instances resets wind for all existing instances
UE - Graphics Features - Jul 6, 2018When adding new HISM instances, actors using SpeedTree -> WorldPositionOffset material are reset. 4.19 Repro project provided by user. I was unable to get WPO wind working in 4.18, I did noticed th ...
Foliage: Speed tree wind is reset for every add/remove/update on instances
UE - World Creation - Worldbuilding Tools - Foliage - Jul 10, 2018Foliage: Speed tree wind is reset for every add/remove/update on instances What is happening:When we invalidate the render state, proxy are recreated, causing the wind to be removed and add again, ...
Data table editor uses property names as column headings
Tools - Nov 2, 2018The column names in the data table editor appear to directly use the property name instead of the "pretty" version of the property name. If the "DisplayName" meta specifier is used, though, that is ...
Incorrect formatting of #include statements in new code class added to project that is not properly set up for IWYU
Tools - Nov 27, 2018Attempting to add a new code class to a project that is not correctly set up for IWYU (such as an older project that may not have been properly modified for IWYU when upgrading) will result in the b ...
Performance drop when spawning AI actors during runtime compared to placing them in world
UE - AI - Jan 9, 2019There is a performance difference between spawning and placing AI into a level. This is causing issues when spawning/despawning AI actors in a large open world, where 4-5ms of frame time quickly bui ...
Volumetric Lightmaps do not work with Landscape texture mapping
UE - Graphics Features - Feb 13, 2019It appears that the Lightmass Volumetric Lightmap does not work with Landscape textures. When it samples the Landscape with some textured material, the resulting lighting build data does not match t ...
State Tree needs to be compiled again after reopening the Project
UE - AI - StateTree - May 3, 2022It seems upon reopening a project with State Trees, they don't always keep their last compiled state or recompile when the project is loading up. Same issue occurred when I removed a Task from a Sta ...
Artefacts with Volumetric Clouds
UE - Graphics Features - Nov 2, 2022(Enduring Games) Please see UDN - Case includes project and potential fix from customer. Need to verify that it does not affect other parts of the volumetric composition. bHasValidSamples is the sam ...
No deprecation message with component bound event nodes
UE - Framework - Blueprint Editor - Aug 21, 2023It appears that only custom event nodes support a deprecation message. In fact, we need all nodes that use delegates in some fashion to support a custom deprecation message. Both UK2Node_ActorBoundE ...
A Geometry Collection with Removal-On-Break, after breaking and shrinking until vanished, will reset to the original state (full-size and unbroken) if we toggle between Fullscreen and Windowed while playing as standalone or Packaged Build.
UE - Simulation - Physics - Destruction - Oct 28, 2024A Geometry Collection with Removal-On-Break, after breaking and shrinking until vanished, will reset to the original state (full-size and unbroken) if we toggle between Fullscreen and Windowed while ...