Working theory

code/modules/mob/living/carbon/human/species/station/station_special_abilities_vr.dm

@@ -132,11 +132,7 @@
 /mob/living/carbon/human/proc/getlightlevel() //easier than having the same code in like three places
 	if(isturf(src.loc)) //else, there's considered to be no light
 		var/turf/T = src.loc
-		var/atom/movable/lighting_overlay/L = locate(/atom/movable/lighting_overlay) in T
-		if(L)
-			return (2 * (min(5,L.lum_r + L.lum_g + L.lum_b) - 2.5))
-		else
-			return 5
+		return T.get_lumcount() * 5
 	else return 0
 
 /mob/living/carbon/human/proc/handle_feral()

maps/RandomZLevels/beach.dm

@@ -18,7 +18,7 @@
 	icon_state = "red"
 	base_turf = /turf/simulated/floor/beach/sand
 	luminosity = 1
-	lighting_use_dynamic = 0
+	dynamic_lighting = 0
 	requires_power = 0
 
 /area/awaymission/beach/coast

maps/RandomZLevels/snowfield.dm

@@ -11,7 +11,7 @@
 	icon_state = "green"
 	requires_power = 1
 	always_unpowered = 1
-	lighting_use_dynamic = 1
+	dynamic_lighting = 1
 	power_light = 0
 	power_equip = 0
 	power_environ = 0

maps/RandomZLevels/zoo.dm

@@ -3,7 +3,7 @@
 /area/awaymission/zoo
 	icon_state = "green"
 	requires_power = 0
-	lighting_use_dynamic = 0
+	dynamic_lighting = 0
 	ambience = list('sound/ambience/ambispace.ogg','sound/music/title2.ogg','sound/music/space.ogg','sound/music/main.ogg','sound/music/traitor.ogg')
 
 /area/awaymission/zoo/solars