; These are tweaked defaults for various lightmass solver and export settings ; Artist oriented lightmass settings are in the editor UI ; Documentation for all of these is in UnrealLightmass / Public / SceneExport.h ; This ini is reloaded every time a lighting build begins, no need to restart ; Warning: overwriting this file with an old version will cause the editor to crash. This file must be in sync with the editor executable. ; Instead, create a DefaultLightmass.ini in your project and override just the values you need, then the overrides will continue to work on version upgrades. ; https://docs.unrealengine.com/latest/INT/Programming/Basics/ConfigurationFiles/ ; ; For example, in your project's Config/DefaultLightmass.ini: ; [DevOptions.PrecomputedDynamicObjectLighting] ; SurfaceLightSampleSpacing=400 [DevOptions.StaticLightingSettings] bCompressLightmaps=False NumIndirectLightingBounces=5 NumSkyLightingBounces=5 IndirectLightingSmoothness=0.9 IndirectLightingQuality=2.0 [DevOptions.StaticLightingSceneConstants] StaticLightingLevelScale=0.5