r.ReflectionEnvironmentLightmapMixBasedOnRoughness
VarUnreal Engine Var console variable.
rReflectionEnvironmentLightmapMixBasedOnRoughness
Description
Whether to reduce lightmap mixing with reflection captures for very smooth surfaces. This is useful to make sure reflection captures match SSR / planar reflections in brightness.
Usage
r.ReflectionEnvironmentLightmapMixBasedOnRoughness [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

