Removes most hard-coded z level checks

code/modules/power/apc.dm

@@ -170,8 +170,7 @@
 	apcs -= src
 	if(malfai && operating)
 		if(ticker.mode.config_tag == "malfunction")
-			// TODO: Tie into space manager
-			if(src.z == ZLEVEL_STATION)
+			if(is_station_level(src.z))
 				ticker.mode:apcs--
 	area.power_light = 0
 	area.power_equip = 0
@@ -996,8 +995,7 @@
 					malfai.malfhacking = 0
 					locked = 1
 					if(ticker.mode.config_tag == "malfunction")
-						// TODO: Tie into space manager
-						if((src.z in config.station_levels)) //if(is_type_in_list(get_area(src), the_station_areas))
+						if(is_station_level(src.z)) //if(is_type_in_list(get_area(src), the_station_areas))
 							ticker.mode:apcs++
 					if(usr:parent)
 						src.malfai = usr:parent
@@ -1029,8 +1027,7 @@
 
 	if(malfai)
 		if(ticker.mode.config_tag == "malfunction")
-			// TODO: Tie into space manager
-			if((src.z in config.station_levels)) //if(is_type_in_list(get_area(src), the_station_areas))
+			if(is_station_level(src.z)) //if(is_type_in_list(get_area(src), the_station_areas))
 				operating ? ticker.mode:apcs++ : ticker.mode:apcs--
 
 	src.update()
@@ -1045,8 +1042,7 @@
 	if(!malf.can_shunt)
 		to_chat(malf, "<span class='warning'>You cannot shunt.</span>")
 		return
-	// TODO: Tie into space manager
-	if(!(src.z in config.station_levels))
+	if(!is_station_level(src.z))
 		return
 	src.occupier = new /mob/living/silicon/ai(src,malf.laws,null,1)
 	src.occupier.adjustOxyLoss(malf.getOxyLoss())
@@ -1095,8 +1091,7 @@
 
 /obj/machinery/power/apc/proc/ion_act()
 	//intended to be exactly the same as an AI malf attack
-	// TODO: Tie into space manager
-	if(!src.malfhack && (src.z in config.station_levels))
+	if(!src.malfhack && is_station_level(src.z))
 		if(prob(3))
 			src.locked = 1
 			if(src.cell.charge > 0)
@@ -1371,8 +1366,7 @@
 /obj/machinery/power/apc/proc/set_broken()
 	if(malfai && operating)
 		if(ticker.mode.config_tag == "malfunction")
-			// TODO: Tie into space manager
-			if((src.z in config.station_levels)) //if(is_type_in_list(get_area(src), the_station_areas))
+			if(is_station_level(src.z)) //if(is_type_in_list(get_area(src), the_station_areas))
 				ticker.mode:apcs--
 	stat |= BROKEN
 	operating = 0

code/modules/power/gravitygenerator.dm

@@ -124,8 +124,7 @@ var/const/GRAV_NEEDS_WRENCH = 3
 		O.main_part = null
 		qdel(O)
 	for(var/area/A in world)
-		// TODO: Tie into space manager
-		if(!(A.z in config.station_levels)) continue
+		if(!is_station_level(A.z)) continue
 		A.gravitychange(0,A)
 	shake_everyone()
 	return ..()
@@ -302,8 +301,7 @@ var/const/GRAV_NEEDS_WRENCH = 3
 			investigate_log("was brought online and is now producing gravity for this level.", "gravity")
 			message_admins("The gravity generator was brought online. (<A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[x];Y=[y];Z=[z]'>[area.name]</a>)")
 			for(var/area/A in world)
-				// TODO: Tie into space manager
-				if(!(A.z in config.station_levels)) continue
+				if(!is_station_level(A.z)) continue
 				A.gravitychange(1,A)
 	else
 		if(gravity_in_level() == 1)
@@ -311,8 +309,7 @@ var/const/GRAV_NEEDS_WRENCH = 3
 			investigate_log("was brought offline and there is now no gravity for this level.", "gravity")
 			message_admins("The gravity generator was brought offline with no backup generator. (<A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[x];Y=[y];Z=[z]'>[area.name]</a>)")
 			for(var/area/A in world)
-				// TODO: Tie into space manager
-				if(!(A.z in config.station_levels)) continue
+				if(!is_station_level(A.z)) continue
 				A.gravitychange(0,A)
 
 	update_icon()
@@ -380,7 +377,7 @@ var/const/GRAV_NEEDS_WRENCH = 3
 				shake_camera(M, 15, 1)
 				M.playsound_local(our_turf, 'sound/effects/alert.ogg', 100, 1, 0.5)
 
-// TODO: Tie into space manager
+// TODO: Make the gravity generator cooperate with the space manager
 /obj/machinery/gravity_generator/main/proc/gravity_in_level()
 	var/turf/T = get_turf(src)
 	if(!T)
@@ -389,7 +386,6 @@ var/const/GRAV_NEEDS_WRENCH = 3
 		return length(gravity_generators["[T.z]"])
 	return 0
 
-// TODO: Tie into space manager
 /obj/machinery/gravity_generator/main/proc/update_list()
 	var/turf/T = get_turf(src.loc)
 	if(T)

code/modules/power/smes.dm

@@ -433,8 +433,7 @@
 	return 1
 
 /obj/machinery/power/smes/proc/ion_act()
-	// TODO: Tie into space manager
-	if(src.z in config.station_levels)
+	if(is_station_level(src.z))
 		if(prob(1)) //explosion
 			for(var/mob/M in viewers(src))
 				M.show_message("\red The [src.name] is making strange noises!", 3, "\red You hear sizzling electronics.", 2)