Unreal Engine Issues
Unreal Engine Issues
Lighting data wiped if sub level is hidden while rebuilding lighting for visible levels
UE - Graphics Features - Jan 11, 2017When building lighting now you can no longer have a hidden sub level and have it retain it's built light if it was previously built. For instance, if you have a persistent level and hide the sub-lev ...
Landscape Grass Type will not build with static lighting leaving 'Lighting needs to be rebuilt warning.'
UE - World Creation - Worldbuilding Tools - Foliage - Sep 3, 2015When using the Landscape Grass Type and using a Static or Stationary light will throw the 'Lighting needs to be rebuilt' warning. ...
Preview Scene - Lighting Rig Rotation rotates Environment Map and Directional Light in opposite directions
UE - Graphics Features - Aug 25, 2020When previewing an object, manually changing the rotation using the Lighting Rig Rotation rotates Environment Map and Directional Light in opposite directions. This bug makes it difficult to do look ...
Lighting does not properly affect landscapes under another landscape, even if Static Lighting Resolution is increased
UE - LD & Modeling - Terrain - Landscape - Apr 29, 2015Lighting does not properly affect landscapes that are below another landscape, even after static lighting resolution is increased. This results in some areas that should be completely shadowed to ha ...
Light Propagation Volumes Not Affected by Emissive Area Light
UE - Graphics Features - Aug 1, 2018The light propagation volume is not affected by a material with emissive area light enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4246589 ...
Lightmaps for BSPs remain unbuilt after building lighting for lighting scenarios
UE - Graphics Features - Oct 31, 2016BSPs display as unbuilt lighting interactions after building lighting for lighting scenarios. This occurs for BSPs that are not in a scenario as well as ones that are in a sublevel marked as a light ...
Editor Crashes After Building Lighting with Blueprint Set to Native Parent Class: Light
UE - Graphics Features - Oct 26, 2017Whenever a Blueprint set to Native Parent Class: Light is placed into a level, Editor crashes after building lighting. The Blueprint does not need to contain an actual light component to crash the e ...
Warning "Failed to build lighting!!! Static Lighting on World Partition maps is not supported." is thrown on World Partition maps
UE - World Creation - Worldbuilding Tools - World Partition - Mar 16, 2022A warning is thrown "LogStaticLightingSystem: Warning: Failed to build lighting!!! Static Lighting on World Partition maps is not supported." when building lights in any World Partition map. ...
Adjusting Lighting Rig Rotation manually only affects the sky and not the lighting
UE - Gameplay - Aug 2, 2016In the Preview Scene Settings, adjusting the Lighting Rig Rotation setting manually doesn't affect the lighting. It only affects the sky. ...
A Function input's type is set as Wildcard by default if a Macro with a Wildcard input is created before the Function
UE - Gameplay - Blueprint - Sep 11, 2015A Function input's type is set as Wildcard by default if a Macro with a Wildcard input is created before the Function. Compiling will fail with an error. Reproduced in 4.8.3 binary, 4.9.0 binary, a ...