Replace explicit z-level checks with defines

code/modules/events/alien_infestation.dm

@@ -40,8 +40,13 @@
 	for(var/obj/machinery/atmospherics/components/unary/vent_pump/temp_vent in GLOB.machines)
 		if(QDELETED(temp_vent))
 			continue
+<<<<<<< HEAD
 		if((temp_vent.loc.z in GLOB.station_z_levels) && !temp_vent.welded)
 			var/datum/pipeline/temp_vent_parent = temp_vent.PARENT1
+=======
+		if(is_station_level(temp_vent.loc.z) && !temp_vent.welded)
+			var/datum/pipeline/temp_vent_parent = temp_vent.parents[1]
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 			//Stops Aliens getting stuck in small networks.
 			//See: Security, Virology
 			if(temp_vent_parent.other_atmosmch.len > 20)

code/modules/events/brand_intelligence.dm

@@ -32,7 +32,7 @@
 
 /datum/round_event/brand_intelligence/start()
 	for(var/obj/machinery/vending/V in GLOB.machines)
-		if(!(V.z in GLOB.station_z_levels))
+		if(!is_station_level(V.z))
 			continue
 		vendingMachines.Add(V)
 	if(!vendingMachines.len)

code/modules/events/disease_outbreak.dm

@@ -33,7 +33,11 @@
 		var/turf/T = get_turf(H)
 		if(!T)
 			continue
+<<<<<<< HEAD
 		if(T.z != ZLEVEL_STATION_PRIMARY)
+=======
+		if(!is_station_level(T.z))
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 			continue
 		if(!H.client)
 			continue

code/modules/events/grid_check.dm

@@ -15,5 +15,5 @@
 /datum/round_event/grid_check/start()
 	for(var/P in GLOB.apcs_list)
 		var/obj/machinery/power/apc/C = P
-		if(C.cell && (C.z in GLOB.station_z_levels))
+		if(C.cell && is_station_level(C.z))
 			C.energy_fail(rand(30,120))

code/modules/events/pirates.dm

@@ -100,7 +100,7 @@
 
 /obj/machinery/shuttle_scrambler/process()
 	if(active)
-		if(z in GLOB.station_z_levels)
+		if(is_station_level(z))
 			var/siphoned = min(SSshuttle.points,siphon_per_tick)
 			SSshuttle.points -= siphoned
 			credits_stored += siphoned
@@ -208,7 +208,7 @@
 
 /obj/docking_port/mobile/pirate/initiate_docking(obj/docking_port/stationary/new_dock, movement_direction, force=FALSE)
 	. = ..()
-	if(. == DOCKING_SUCCESS && new_dock.z != ZLEVEL_TRANSIT)
+	if(. == DOCKING_SUCCESS && !is_transit_level(new_dock.z))
 		engines_cooling = TRUE
 		addtimer(CALLBACK(src,.proc/reset_cooldown),engine_cooldown,TIMER_UNIQUE)
 
@@ -252,7 +252,7 @@
 	var/list/results = list()
 	for(var/atom/movable/AM in world)
 		if(is_type_in_typecache(AM,GLOB.pirate_loot_cache))
-			if(AM.z in GLOB.station_z_levels)
+			if(is_station_level(AM.z))
 				if(get_area(AM) == get_area(src)) //Should this be variable ?
 					continue
 				results += AM

code/modules/events/sentience.dm

@@ -30,7 +30,7 @@
 	var/list/potential = list()
 	for(var/mob/living/simple_animal/L in GLOB.alive_mob_list)
 		var/turf/T = get_turf(L)
-		if(!(T.z in GLOB.station_z_levels))
+		if(!is_station_level(T.z))
 			continue
 		if(!(L in GLOB.player_list) && !L.mind)
 			potential += L

code/modules/events/spider_infestation.dm

@@ -22,8 +22,13 @@
 /datum/round_event/spider_infestation/start()
 	var/list/vents = list()
 	for(var/obj/machinery/atmospherics/components/unary/vent_pump/temp_vent in world)
+<<<<<<< HEAD
 		if((temp_vent.loc.z in GLOB.station_z_levels) && !temp_vent.welded)
 			var/datum/pipeline/temp_vent_parent = temp_vent.PARENT1
+=======
+		if(is_station_level(temp_vent.loc.z) && !temp_vent.welded)
+			var/datum/pipeline/temp_vent_parent = temp_vent.parents[1]
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 			if(temp_vent_parent.other_atmosmch.len > 20)
 				vents += temp_vent
 

code/modules/events/vent_clog.dm

@@ -19,8 +19,13 @@
 /datum/round_event/vent_clog/setup()
 	endWhen = rand(25, 100)
 	for(var/obj/machinery/atmospherics/components/unary/vent_scrubber/temp_vent in GLOB.machines)
+<<<<<<< HEAD
 		if((temp_vent.loc.z in GLOB.station_z_levels) && !temp_vent.welded)
 			var/datum/pipeline/temp_vent_parent = temp_vent.PARENT1
+=======
+		if(is_station_level(temp_vent.loc.z) && !temp_vent.welded)
+			var/datum/pipeline/temp_vent_parent = temp_vent.parents[1]
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 			if(temp_vent_parent.other_atmosmch.len > 20)
 				vents += temp_vent
 	if(!vents.len)

code/modules/events/wizard/curseditems.dm

@@ -38,7 +38,7 @@
 			ruins_wizard_loadout = 1
 
 	for(var/mob/living/carbon/human/H in GLOB.alive_mob_list)
-		if(ruins_spaceworthiness && !(H.z in GLOB.station_z_levels) || isspaceturf(H.loc) || isplasmaman(H))
+		if(ruins_spaceworthiness && !is_station_level(H.z) || isspaceturf(H.loc) || isplasmaman(H))
 			continue	//#savetheminers
 		if(ruins_wizard_loadout && iswizard(H))
 			continue

code/modules/events/wizard/greentext.dm

@@ -58,7 +58,7 @@
 	..()
 
 /obj/item/greentext/process()
-	if(new_holder && new_holder.z == ZLEVEL_CENTCOM)//you're winner!
+	if(new_holder && is_centcom_level(new_holder.z))//you're winner!
 		to_chat(new_holder, "<font color='green'>At last it feels like victory is assured!</font>")
 		if(!(new_holder in SSticker.mode.traitors))
 			SSticker.mode.traitors += new_holder.mind

code/modules/events/wizard/petsplosion.dm

@@ -8,7 +8,7 @@
 
 /datum/round_event_control/wizard/petsplosion/preRunEvent()
 	for(var/mob/living/simple_animal/F in GLOB.alive_mob_list)
-		if(!ishostile(F) && (F.z in GLOB.station_z_levels))
+		if(!ishostile(F) && is_station_level(F.z))
 			mobs_to_dupe++
 	if(mobs_to_dupe > 100 || !mobs_to_dupe)
 		return EVENT_CANT_RUN
@@ -24,7 +24,7 @@
 	if(activeFor >= 30 * countdown) // 0 seconds : 2 animals | 30 seconds : 4 animals | 1 minute : 8 animals
 		countdown += 1
 		for(var/mob/living/simple_animal/F in GLOB.alive_mob_list) //If you cull the heard before the next replication, things will be easier for you
-			if(!ishostile(F) && (F.z in GLOB.station_z_levels))
+			if(!ishostile(F) && is_station_level(F.z))
 				new F.type(F.loc)
 				mobs_duped++
 				if(mobs_duped > 400)

code/modules/events/wizard/shuffle.dm

@@ -13,7 +13,7 @@
 	var/list/mobs	 = list()
 
 	for(var/mob/living/carbon/human/H in GLOB.alive_mob_list)
-		if(!(H.z in GLOB.station_z_levels))
+		if(!is_station_level(H.z))
 			continue //lets not try to strand people in space or stuck in the wizards den
 		moblocs += H.loc
 		mobs += H

code/modules/events/wormholes.dm

@@ -21,7 +21,7 @@
 
 /datum/round_event/wormholes/start()
 	for(var/turf/open/floor/T in world)
-		if(T.z in GLOB.station_z_levels)
+		if(is_station_level(T.z))
 			pick_turfs += T
 
 	for(var/i = 1, i <= number_of_wormholes, i++)