Revises the_station_areas list

code/controllers/subsystem/mapping.dm

@@ -62,6 +62,7 @@ SUBSYSTEM_DEF(mapping)
 	repopulate_sorted_areas()
 	// Set up Z-level transistions.
 	setup_map_transitions()
+	generate_station_area_list()
 	..()
 
 /* Nuke threats, for making the blue tiles on the station go RED
@@ -139,6 +140,19 @@ SUBSYSTEM_DEF(mapping)
 		INIT_ANNOUNCE(msg)
 #undef INIT_ANNOUNCE
 
+GLOBAL_LIST_EMPTY(the_station_areas)
+
+/datum/controller/subsystem/mapping/proc/generate_station_area_list()
+	var/list/station_areas_blacklist = typecacheof(list(/area/space, /area/mine, /area/ruin))
+	for(var/area/A in world)
+		var/turf/picked = safepick(get_area_turfs(A.type))
+		if(picked && (picked.z in GLOB.station_z_levels))
+			if(!(A.type in GLOB.the_station_areas) && !is_type_in_typecache(A, station_areas_blacklist))
+				GLOB.the_station_areas.Add(A.type)
+
+	if(!GLOB.the_station_areas.len)
+		log_world("ERROR: Station areas list failed to generate!")
+
 /datum/controller/subsystem/mapping/proc/maprotate()
 	var/players = GLOB.clients.len
 	var/list/mapvotes = list()