Removes most hard-coded z level checks

code/modules/nano/interaction/default.dm

@@ -41,8 +41,7 @@
 	// Prevents the AI from using Topic on admin levels (by for example viewing through the court/thunderdome cameras)
 	// unless it's on the same level as the object it's interacting with.
 	var/turf/T = get_turf(src_object)
-	// TODO: Tie into space manager
-	if(!T || !(z == T.z || (T.z in config.player_levels)))
+	if(!T || !(atoms_share_level(src,T) || is_level_reachable(T.z)))
 		return STATUS_CLOSE
 
 	// If an object is in view then we can interact with it

code/modules/nano/modules/crew_monitor.dm

@@ -5,8 +5,7 @@
 	if(..())
 		return 1
 	var/turf/T = get_turf(nano_host())
-	// TODO: Tie into space manager
-	if(!T || !(T.z in config.player_levels))
+	if(!T || !is_level_reachable(T.z))
 		to_chat(usr, "<span class='warning'>Unable to establish a connection<span>: You're too far away from the station!")
 		return 0
 	if(href_list["track"])