Makes the station Z level into a list instead of a single define

code/modules/admin/admin.dm

@@ -624,7 +624,7 @@
 		if(3)
 			var/count = 0
 			for(var/mob/living/carbon/monkey/Monkey in world)
-				if(Monkey.z == ZLEVEL_STATION)
+				if(Monkey.z in GLOB.station_z_levels)
 					count++
 			return "Kill all [count] of the monkeys on the station"
 		if(4)

code/modules/admin/secrets.dm

@@ -454,7 +454,7 @@
 				return
 			SSblackbox.add_details("admin_secrets_fun_used","Egalitarian Station")
 			for(var/obj/machinery/door/airlock/W in GLOB.machines)
-				if(W.z == ZLEVEL_STATION && !istype(get_area(W), /area/bridge) && !istype(get_area(W), /area/crew_quarters) && !istype(get_area(W), /area/security/prison))
+				if((W.z in GLOB.station_z_levels) && !istype(get_area(W), /area/bridge) && !istype(get_area(W), /area/crew_quarters) && !istype(get_area(W), /area/security/prison))
 					W.req_access = list()
 			message_admins("[key_name_admin(usr)] activated Egalitarian Station mode")
 			priority_announce("CentCom airlock control override activated. Please take this time to get acquainted with your coworkers.", null, 'sound/ai/commandreport.ogg')

code/modules/admin/verbs/debug.dm

@@ -509,7 +509,7 @@ GLOBAL_PROTECT(AdminProcCallCount)
 	for(var/area/A in world)
 		if(on_station)
 			var/turf/picked = safepick(get_area_turfs(A.type))
-			if(picked && (picked.z == ZLEVEL_STATION))
+			if(picked && (picked.z in GLOB.station_z_levels))
 				if(!(A.type in areas_all) && !is_type_in_typecache(A, station_areas_blacklist))
 					areas_all.Add(A.type)
 		else if(!(A.type in areas_all))

code/modules/admin/verbs/one_click_antag.dm

@@ -80,7 +80,7 @@
 	for(var/mob/living/carbon/human/applicant in GLOB.player_list)
 		if(ROLE_CHANGELING in applicant.client.prefs.be_special)
 			var/turf/T = get_turf(applicant)
-			if(applicant.stat == CONSCIOUS && applicant.mind && !applicant.mind.special_role && T.z == ZLEVEL_STATION)
+			if(applicant.stat == CONSCIOUS && applicant.mind && !applicant.mind.special_role && (T.z in GLOB.station_z_levels))
 				if(!jobban_isbanned(applicant, ROLE_CHANGELING) && !jobban_isbanned(applicant, "Syndicate"))
 					if(temp.age_check(applicant.client))
 						if(!(applicant.job in temp.restricted_jobs))
@@ -113,7 +113,7 @@
 	for(var/mob/living/carbon/human/applicant in GLOB.player_list)
 		if(ROLE_REV in applicant.client.prefs.be_special)
 			var/turf/T = get_turf(applicant)
-			if(applicant.stat == CONSCIOUS && applicant.mind && !applicant.mind.special_role && T.z == ZLEVEL_STATION)
+			if(applicant.stat == CONSCIOUS && applicant.mind && !applicant.mind.special_role && (T.z in GLOB.station_z_levels))
 				if(!jobban_isbanned(applicant, ROLE_REV) && !jobban_isbanned(applicant, "Syndicate"))
 					if(temp.age_check(applicant.client))
 						if(!(applicant.job in temp.restricted_jobs))
@@ -155,7 +155,7 @@
 	for(var/mob/living/carbon/human/applicant in GLOB.player_list)
 		if(ROLE_CULTIST in applicant.client.prefs.be_special)
 			var/turf/T = get_turf(applicant)
-			if(applicant.stat == CONSCIOUS && applicant.mind && !applicant.mind.special_role && T.z == ZLEVEL_STATION)
+			if(applicant.stat == CONSCIOUS && applicant.mind && !applicant.mind.special_role && (T.z in GLOB.station_z_levels))
 				if(!jobban_isbanned(applicant, ROLE_CULTIST) && !jobban_isbanned(applicant, "Syndicate"))
 					if(temp.age_check(applicant.client))
 						if(!(applicant.job in temp.restricted_jobs))
@@ -188,7 +188,7 @@
 	for(var/mob/living/carbon/human/applicant in GLOB.player_list)
 		if(ROLE_SERVANT_OF_RATVAR in applicant.client.prefs.be_special)
 			var/turf/T = get_turf(applicant)
-			if(applicant.stat == CONSCIOUS && applicant.mind && !applicant.mind.special_role && T.z == ZLEVEL_STATION)
+			if(applicant.stat == CONSCIOUS && applicant.mind && !applicant.mind.special_role && (T.z in GLOB.station_z_levels))
 				if(!jobban_isbanned(applicant, ROLE_SERVANT_OF_RATVAR) && !jobban_isbanned(applicant, "Syndicate"))
 					if(temp.age_check(applicant.client))
 						if(!(applicant.job in temp.restricted_jobs))

code/modules/awaymissions/signpost.dm

@@ -5,11 +5,12 @@
 	anchored = TRUE
 	density = TRUE
 	var/question = "Travel back?"
-	var/zlevels = list(ZLEVEL_STATION)
+	var/list/zlevels = list()
 
 /obj/structure/signpost/New()
 	. = ..()
 	set_light(2)
+	zlevels = GLOB.station_z_levels
 
 /obj/structure/signpost/attackby(obj/item/W, mob/user, params)
 	return attack_hand(user)

code/modules/events/alien_infestation.dm

@@ -40,7 +40,7 @@
 	for(var/obj/machinery/atmospherics/components/unary/vent_pump/temp_vent in GLOB.machines)
 		if(QDELETED(temp_vent))
 			continue
-		if(temp_vent.loc.z == ZLEVEL_STATION && !temp_vent.welded)
+		if((temp_vent.loc.z in GLOB.station_z_levels) && !temp_vent.welded)
 			var/datum/pipeline/temp_vent_parent = temp_vent.PARENT1
 			//Stops Aliens getting stuck in small networks.
 			//See: Security, Virology

code/modules/events/brand_intelligence.dm

@@ -27,7 +27,7 @@
 
 /datum/round_event/brand_intelligence/start()
 	for(var/obj/machinery/vending/V in GLOB.machines)
-		if(V.z != ZLEVEL_STATION)
+		if(!(V.z in GLOB.station_z_levels))
 			continue
 		vendingMachines.Add(V)
 	if(!vendingMachines.len)

code/modules/events/disease_outbreak.dm

@@ -25,7 +25,7 @@
 		var/turf/T = get_turf(H)
 		if(!T)
 			continue
-		if(T.z != ZLEVEL_STATION)
+		if(!(T.z in GLOB.station_z_levels))
 			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 == ZLEVEL_STATION)
+		if(C.cell && (C.z in GLOB.station_z_levels))
 			C.energy_fail(rand(30,120))

code/modules/events/holiday/xmas.dm

@@ -25,7 +25,7 @@
 
 /datum/round_event/presents/start()
 	for(var/obj/structure/flora/tree/pine/xmas in world)
-		if(xmas.z != ZLEVEL_STATION)
+		if(!(xmas.z in GLOB.station_z_levels))
 			continue
 		for(var/turf/open/floor/T in orange(1,xmas))
 			for(var/i=1,i<=rand(1,5),i++)

code/modules/events/immovable_rod.dm

@@ -21,6 +21,7 @@ In my current plan for it, 'solid' will be defined as anything with density == 1
 
 /datum/round_event/immovable_rod/start()
 	var/startside = pick(GLOB.cardinals)
+<<<<<<< HEAD
 	var/turf/startT = spaceDebrisStartLoc(startside, ZLEVEL_STATION)
 	var/turf/endT = spaceDebrisFinishLoc(startside, ZLEVEL_STATION)
 	new /obj/effect/immovablerod(startT, endT)
@@ -31,6 +32,18 @@ In my current plan for it, 'solid' will be defined as anything with density == 1
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "immrod"
 	throwforce = 100
+=======
+	var/turf/startT = spaceDebrisStartLoc(startside, ZLEVEL_STATION_PRIMARY)
+	var/turf/endT = spaceDebrisFinishLoc(startside, ZLEVEL_STATION_PRIMARY)
+	new /obj/effect/immovablerod(startT, endT)
+
+/obj/effect/immovablerod
+	name = "immovable rod"
+	desc = "What the fuck is that?"
+	icon = 'icons/obj/objects.dmi'
+	icon_state = "immrod"
+	throwforce = 100
+>>>>>>> 10a3238... Makes the station Z level into a list instead of a single define (#30297)
 	density = TRUE
 	anchored = TRUE
 	var/z_original = 0

code/modules/events/portal_storm.dm

@@ -40,7 +40,7 @@
 	storm = 	storm = mutable_appearance('icons/obj/tesla_engine/energy_ball.dmi', "energy_ball_fast", FLY_LAYER)
 	storm.color = "#00FF00"
 
-	station_areas = get_areas_in_z(ZLEVEL_STATION)
+	station_areas = get_areas_in_z(ZLEVEL_STATION_PRIMARY)
 
 	number_of_bosses = 0
 	for(var/boss in boss_types)

code/modules/events/radiation_storm.dm

@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 /datum/round_event_control/radiation_storm
 	name = "Radiation Storm"
 	typepath = /datum/round_event/radiation_storm
@@ -18,3 +19,24 @@
 /datum/round_event/radiation_storm/start()
 	SSweather.run_weather("radiation storm",ZLEVEL_STATION)
 	make_maint_all_access()
+=======
+/datum/round_event_control/radiation_storm
+	name = "Radiation Storm"
+	typepath = /datum/round_event/radiation_storm
+	max_occurrences = 1
+
+/datum/round_event/radiation_storm
+
+
+/datum/round_event/radiation_storm/setup()
+	startWhen = 3
+	endWhen = startWhen + 1
+	announceWhen	= 1
+
+/datum/round_event/radiation_storm/announce()
+	priority_announce("High levels of radiation detected near the station. Maintenance is best shielded from radiation.", "Anomaly Alert", 'sound/ai/radiation.ogg')
+	//sound not longer matches the text, but an audible warning is probably good
+
+/datum/round_event/radiation_storm/start()
+	SSweather.run_weather("radiation storm",ZLEVEL_STATION_PRIMARY)
+>>>>>>> 10a3238... Makes the station Z level into a list instead of a single define (#30297)

code/modules/events/sentience.dm

@@ -31,7 +31,7 @@
 	var/list/potential = list()
 	for(var/mob/living/simple_animal/L in GLOB.living_mob_list)
 		var/turf/T = get_turf(L)
-		if(T.z != ZLEVEL_STATION)
+		if(!(T.z in GLOB.station_z_levels))
 			continue
 		if(!(L in GLOB.player_list) && !L.mind)
 			potential += L

code/modules/events/spider_infestation.dm

@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 /datum/round_event_control/spider_infestation
 	name = "Spider Infestation"
 	typepath = /datum/round_event/spider_infestation
@@ -35,3 +36,42 @@
 		spawn_atom_to_turf(spawn_type, vent, 1, FALSE)
 		vents -= vent
 		spawncount--
+=======
+/datum/round_event_control/spider_infestation
+	name = "Spider Infestation"
+	typepath = /datum/round_event/spider_infestation
+	weight = 5
+	max_occurrences = 1
+	min_players = 15
+
+/datum/round_event/spider_infestation
+	announceWhen	= 400
+
+	var/spawncount = 1
+
+
+/datum/round_event/spider_infestation/setup()
+	announceWhen = rand(announceWhen, announceWhen + 50)
+	spawncount = rand(5, 8)
+
+/datum/round_event/spider_infestation/announce()
+	priority_announce("Unidentified lifesigns detected coming aboard [station_name()]. Secure any exterior access, including ducting and ventilation.", "Lifesign Alert", 'sound/ai/aliens.ogg')
+
+
+/datum/round_event/spider_infestation/start()
+	var/list/vents = list()
+	for(var/obj/machinery/atmospherics/components/unary/vent_pump/temp_vent in world)
+		if((temp_vent.loc.z in GLOB.station_z_levels) && !temp_vent.welded)
+			var/datum/pipeline/temp_vent_parent = temp_vent.PARENT1
+			if(temp_vent_parent.other_atmosmch.len > 20)
+				vents += temp_vent
+
+	while((spawncount >= 1) && vents.len)
+		var/obj/vent = pick(vents)
+		var/spawn_type = /obj/structure/spider/spiderling
+		if(prob(66))
+			spawn_type = /obj/structure/spider/spiderling/nurse
+		spawn_atom_to_turf(spawn_type, vent, 1, FALSE)
+		vents -= vent
+		spawncount--
+>>>>>>> 10a3238... Makes the station Z level into a list instead of a single define (#30297)

code/modules/events/vent_clog.dm

@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 /datum/round_event_control/vent_clog
 	name = "Clogged Vents"
 	typepath = /datum/round_event/vent_clog
@@ -47,3 +48,54 @@
 			while(cockroaches)
 				new /mob/living/simple_animal/cockroach(get_turf(vent))
 				cockroaches--
+=======
+/datum/round_event_control/vent_clog
+	name = "Clogged Vents"
+	typepath = /datum/round_event/vent_clog
+	weight = 35
+
+/datum/round_event/vent_clog
+	announceWhen	= 1
+	startWhen		= 5
+	endWhen			= 35
+	var/interval 	= 2
+	var/list/vents  = list()
+	var/list/gunk = list("water","carbon","flour","radium","toxin","cleaner","nutriment","condensedcapsaicin","mushroomhallucinogen","lube",
+								 "plantbgone","banana","charcoal","space_drugs","morphine","holywater","ethanol","hot_coco","sacid")
+
+/datum/round_event/vent_clog/announce()
+	priority_announce("The scrubbers network is experiencing a backpressure surge. Some ejection of contents may occur.", "Atmospherics alert")
+
+
+/datum/round_event/vent_clog/setup()
+	endWhen = rand(25, 100)
+	for(var/obj/machinery/atmospherics/components/unary/vent_scrubber/temp_vent in GLOB.machines)
+		if((temp_vent.loc.z in GLOB.station_z_levels) && !temp_vent.welded)
+			var/datum/pipeline/temp_vent_parent = temp_vent.PARENT1
+			if(temp_vent_parent.other_atmosmch.len > 20)
+				vents += temp_vent
+	if(!vents.len)
+		return kill()
+
+/datum/round_event/vent_clog/tick()
+	if(activeFor % interval == 0)
+		var/obj/machinery/atmospherics/components/unary/vent = pick_n_take(vents)
+		while(vent && vent.welded)
+			vent = pick_n_take(vents)
+
+		if(vent && vent.loc)
+			var/datum/reagents/R = new/datum/reagents(50)
+			R.my_atom = vent
+			R.add_reagent(pick(gunk), 50)
+
+			var/datum/effect_system/smoke_spread/chem/smoke = new
+			smoke.set_up(R, 1, vent, silent = 1)
+			playsound(vent.loc, 'sound/effects/smoke.ogg', 50, 1, -3)
+			smoke.start()
+			qdel(R)
+
+			var/cockroaches = prob(33) ? 3 : 0
+			while(cockroaches)
+				new /mob/living/simple_animal/cockroach(get_turf(vent))
+				cockroaches--
+>>>>>>> 10a3238... Makes the station Z level into a list instead of a single define (#30297)

code/modules/events/wizard/advanced_darkness.dm

@@ -13,4 +13,4 @@
 /datum/round_event/wizard/darkness/start()
 	if(!started)
 		started = TRUE
-		SSweather.run_weather("advanced darkness", ZLEVEL_STATION)
+		SSweather.run_weather("advanced darkness", ZLEVEL_STATION_PRIMARY)

code/modules/events/wizard/curseditems.dm

@@ -38,7 +38,7 @@
 			ruins_wizard_loadout = 1
 
 	for(var/mob/living/carbon/human/H in GLOB.living_mob_list)
-		if(ruins_spaceworthiness && (H.z != ZLEVEL_STATION || isspaceturf(H.loc) || isplasmaman(H)))
+		if(ruins_spaceworthiness && !(H.z in GLOB.station_z_levels) || isspaceturf(H.loc) || isplasmaman(H))
 			continue	//#savetheminers
 		if(ruins_wizard_loadout && H.mind && ((H.mind in SSticker.mode.wizards) || (H.mind in SSticker.mode.apprentices)))
 			continue

code/modules/events/wizard/lava.dm

@@ -12,4 +12,4 @@
 /datum/round_event/wizard/lava/start()
 	if(!started)
 		started = TRUE
-		SSweather.run_weather("the floor is lava", ZLEVEL_STATION)
+		SSweather.run_weather("the floor is lava", ZLEVEL_STATION_PRIMARY)

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.living_mob_list)
-		if(!ishostile(F) && F.z == ZLEVEL_STATION)
+		if(!ishostile(F) && (F.z in GLOB.station_z_levels))
 			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.living_mob_list) //If you cull the heard before the next replication, things will be easier for you
-			if(!ishostile(F) && F.z == ZLEVEL_STATION)
+			if(!ishostile(F) && (F.z in GLOB.station_z_levels))
 				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.living_mob_list)
-		if(H.z != ZLEVEL_STATION)
+		if(!(H.z in GLOB.station_z_levels))
 			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 == ZLEVEL_STATION)
+		if(T.z in GLOB.station_z_levels)
 			pick_turfs += T
 
 	for(var/i = 1, i <= number_of_wormholes, i++)

code/modules/mining/aux_base.dm

@@ -37,7 +37,7 @@ interface with the mining shuttle at the landing site if a mobile beacon is also
 
 	var/list/options = params2list(possible_destinations)
 	var/obj/docking_port/mobile/M = SSshuttle.getShuttle(shuttleId)
-	var/dat = "[z == ZLEVEL_STATION ? "Docking clamps engaged. Standing by." : "Mining Shuttle Uplink: [M ? M.getStatusText() : "*OFFLINE*"]"]<br>"
+	var/dat = "[(z in GLOB.station_z_levels) ? "Docking clamps engaged. Standing by." : "Mining Shuttle Uplink: [M ? M.getStatusText() : "*OFFLINE*"]"]<br>"
 	if(M)
 		var/destination_found
 		for(var/obj/docking_port/stationary/S in SSshuttle.stationary)
@@ -47,7 +47,7 @@ interface with the mining shuttle at the landing site if a mobile beacon is also
 				continue
 			destination_found = 1
 			dat += "<A href='?src=\ref[src];move=[S.id]'>Send to [S.name]</A><br>"
-		if(!destination_found && z == ZLEVEL_STATION) //Only available if miners are lazy and did not set an LZ using the remote.
+		if(!destination_found && (z in GLOB.station_z_levels)) //Only available if miners are lazy and did not set an LZ using the remote.
 			dat += "<A href='?src=\ref[src];random=1'>Prepare for blind drop? (Dangerous)</A><br>"
 	if(LAZYLEN(turrets))
 		dat += "<br><b>Perimeter Defense System:</b> <A href='?src=\ref[src];turrets_power=on'>Enable All</A> / <A href='?src=\ref[src];turrets_power=off'>Disable All</A><br> \
@@ -86,7 +86,7 @@ interface with the mining shuttle at the landing site if a mobile beacon is also
 		return
 
 	if(href_list["move"])
-		if(z != ZLEVEL_STATION && shuttleId == "colony_drop")
+		if(!(z in GLOB.station_z_levels && shuttleId == "colony_drop"))
 			to_chat(usr, "<span class='warning'>You can't move the base again!</span>")
 			return
 		var/shuttle_error = SSshuttle.moveShuttle(shuttleId, href_list["move"], 1)
@@ -200,7 +200,7 @@ interface with the mining shuttle at the landing site if a mobile beacon is also
 	var/obj/machinery/computer/auxillary_base/AB
 
 	for (var/obj/machinery/computer/auxillary_base/A in GLOB.machines)
-		if(A.z == ZLEVEL_STATION)
+		if(A.z in GLOB.station_z_levels)
 			AB = A
 			break
 	if(!AB)

code/modules/mining/aux_base_camera.dm

@@ -151,8 +151,7 @@
 		to_chat(owner, "<span class='warning'>You can only build within the mining base!</span>")
 		return FALSE
 
-
-	if(build_target.z != ZLEVEL_STATION)
+	if(!(build_target.z in GLOB.station_z_levels))
 		to_chat(owner, "<span class='warning'>The mining base has launched and can no longer be modified.</span>")
 		return FALSE
 

code/modules/mining/equipment/wormhole_jaunter.dm

@@ -41,7 +41,7 @@
 
 	for(var/obj/item/device/radio/beacon/B in GLOB.teleportbeacons)
 		var/turf/T = get_turf(B)
-		if(T.z == ZLEVEL_STATION)
+		if(T.z in GLOB.station_z_levels)
 			destinations += B
 
 	return destinations
@@ -93,7 +93,7 @@
 /obj/effect/portal/wormhole/jaunt_tunnel/teleport(atom/movable/M)
 	if(!ismob(M) && !isobj(M))	//No don't teleport lighting and effects!
 		return
-		
+
 	if(M.anchored && (!ismob(M) || (istype(M, /obj/mecha) && !mech_sized)))
 		return
 

code/modules/mining/machine_redemption.dm

@@ -102,7 +102,7 @@
 		smelt_ore(ore)
 
 /obj/machinery/mineral/ore_redemption/proc/send_console_message()
-	if(z != ZLEVEL_STATION)
+	if(!(z in GLOB.station_z_levels))
 		return
 	message_sent = TRUE
 	var/area/A = get_area(src)

code/modules/mining/mine_items.dm

@@ -69,7 +69,7 @@
 	var/global/list/dumb_rev_heads = list()
 
 /obj/machinery/computer/shuttle/mining/attack_hand(mob/user)
-	if(user.z == ZLEVEL_STATION && user.mind && (user.mind in SSticker.mode.head_revolutionaries) && !(user.mind in dumb_rev_heads))
+	if((user.z in GLOB.station_z_levels) && user.mind && (user.mind in SSticker.mode.head_revolutionaries) && !(user.mind in dumb_rev_heads))
 		to_chat(user, "<span class='warning'>You get a feeling that leaving the station might be a REALLY dumb idea...</span>")
 		dumb_rev_heads += user.mind
 		return

code/modules/mob/dead/observer/observer.dm

@@ -106,7 +106,7 @@ GLOBAL_VAR_INIT(observer_default_invisibility, INVISIBILITY_OBSERVER)
 		if(turfs.len)
 			T = pick(turfs)
 		else
-			T = locate(round(world.maxx/2), round(world.maxy/2), ZLEVEL_STATION)	//middle of the station
+			T = locate(round(world.maxx/2), round(world.maxy/2), ZLEVEL_STATION_PRIMARY)	//middle of the station
 
 	loc = T
 

code/modules/mob/living/carbon/human/life.dm

@@ -422,7 +422,7 @@ All effects don't start immediately, but rather get worse over time; the rate is
 		if(drunkenness >= 91)
 			adjustBrainLoss(0.4)
 			if(prob(20) && !stat)
-				if(SSshuttle.emergency.mode == SHUTTLE_DOCKED && z == ZLEVEL_STATION) //QoL mainly
+				if(SSshuttle.emergency.mode == SHUTTLE_DOCKED && (z in GLOB.station_z_levels)) //QoL mainly
 					to_chat(src, "<span class='warning'>You're so tired... but you can't miss that shuttle...</span>")
 				else
 					to_chat(src, "<span class='warning'>Just a quick nap...</span>")

code/modules/mob/living/simple_animal/hostile/megafauna/blood_drunk_miner.dm

@@ -114,7 +114,7 @@ Difficulty: Medium
 		if(L.stat == DEAD)
 			visible_message("<span class='danger'>[src] butchers [L]!</span>",
 			"<span class='userdanger'>You butcher [L], restoring your health!</span>")
-			if(z != ZLEVEL_STATION && !client) //NPC monsters won't heal while on station
+			if(!(z in GLOB.station_z_levels && !client)) //NPC monsters won't heal while on station
 				if(guidance)
 					adjustHealth(-L.maxHealth)
 				else

code/modules/mob/living/simple_animal/hostile/megafauna/megafauna.dm

@@ -101,7 +101,7 @@
 	visible_message(
 		"<span class='danger'>[src] devours [L]!</span>",
 		"<span class='userdanger'>You feast on [L], restoring your health!</span>")
-	if(z != ZLEVEL_STATION && !client) //NPC monsters won't heal while on station
+	if(!(z in GLOB.station_z_levels && !client)) //NPC monsters won't heal while on station
 		adjustBruteLoss(-L.maxHealth/2)
 	L.gib()
 

code/modules/modular_computers/file_system/programs/alarm.dm

@@ -13,7 +13,7 @@
 
 	var/has_alert = 0
 	var/alarms = list("Fire" = list(), "Atmosphere" = list(), "Power" = list())
-	var/alarm_z = list(ZLEVEL_STATION,ZLEVEL_LAVALAND)
+	var/alarm_z = list(ZLEVEL_STATION_PRIMARY,ZLEVEL_LAVALAND)
 
 /datum/computer_file/program/alarm_monitor/process_tick()
 	..()

code/modules/modular_computers/file_system/programs/sm_monitor.dm

@@ -44,7 +44,7 @@
 	//var/valid_z_levels = (GetConnectedZlevels(T.z) & using_map.station_levels)
 	for(var/obj/machinery/power/supermatter_shard/S in GLOB.machines)
 		// Delaminating, not within coverage, not on a tile.
-		if(!(S.z == ZLEVEL_STATION || S.z == ZLEVEL_MINING || S.z == T.z) || !istype(S.loc, /turf/))
+		if(!(S.z in GLOB.station_z_levels || S.z == ZLEVEL_MINING || S.z == T.z) || !istype(S.loc, /turf/))
 			continue
 		supermatters.Add(S)
 

code/modules/modular_computers/hardware/network_card.dm

@@ -48,7 +48,7 @@
 	if(holder)
 
 		var/turf/T = get_turf(holder)
-		if((T && istype(T)) && (T.z == ZLEVEL_STATION || T.z == ZLEVEL_MINING))
+		if((T && istype(T)) && ((T.z in GLOB.station_z_levels) || T.z == ZLEVEL_MINING))
 			// Computer is on station. Low/High signal depending on what type of network card you have
 			if(long_range)
 				return 2

code/modules/power/apc.dm

@@ -840,7 +840,7 @@
 	if(!malf.can_shunt)
 		to_chat(malf, "<span class='warning'>You cannot shunt!</span>")
 		return
-	if(src.z != ZLEVEL_STATION)
+	if(!(src.z in GLOB.station_z_levels))
 		return
 	occupier = new /mob/living/silicon/ai(src, malf.laws, malf) //DEAR GOD WHY?	//IKR????
 	occupier.adjustOxyLoss(malf.getOxyLoss())

code/modules/power/singularity/narsie.dm

@@ -54,7 +54,7 @@
 			var/mob/living/L = cult_mind.current
 			L.narsie_act()
 	for(var/mob/living/player in GLOB.player_list)
-		if(player.stat != DEAD && player.loc.z == ZLEVEL_STATION && !iscultist(player))
+		if(player.stat != DEAD && (player.loc.z in GLOB.station_z_levels) && !iscultist(player))
 			souls_needed[player] = TRUE
 	soul_goal = round(1 + LAZYLEN(souls_needed) * 0.6)
 	INVOKE_ASYNC(src, .proc/begin_the_end)

code/modules/procedural_mapping/mapGenerators/repair.dm

@@ -20,11 +20,11 @@
 	if(!istype(mother, /datum/mapGenerator/repair/reload_station_map))
 		return
 	var/datum/mapGenerator/repair/reload_station_map/mother1 = mother
-	if(mother1.z != ZLEVEL_STATION)
+	if(!(mother1.z in GLOB.station_z_levels))
 		return			//This is only for reloading station blocks!
 	GLOB.reloading_map = TRUE
 	var/static/dmm_suite/reloader = new
-	var/list/bounds = reloader.load_map(file(SSmapping.config.GetFullMapPath()),measureOnly = FALSE, no_changeturf = FALSE,x_offset = 0, y_offset = 0, z_offset = ZLEVEL_STATION, cropMap=TRUE, lower_crop_x = mother1.x_low, lower_crop_y = mother1.y_low, upper_crop_x = mother1.x_high, upper_crop_y = mother1.y_high)
+	var/list/bounds = reloader.load_map(file(SSmapping.config.GetFullMapPath()),measureOnly = FALSE, no_changeturf = FALSE,x_offset = 0, y_offset = 0, z_offset = ZLEVEL_STATION_PRIMARY, cropMap=TRUE, lower_crop_x = mother1.x_low, lower_crop_y = mother1.y_low, upper_crop_x = mother1.x_high, upper_crop_y = mother1.y_high)
 
 	var/list/obj/machinery/atmospherics/atmos_machines = list()
 	var/list/obj/structure/cable/cables = list()
@@ -87,13 +87,13 @@
 
 /datum/mapGenerator/repair/reload_station_map/defineRegion(turf/start, turf/end)
 	. = ..()
-	if(start.z != ZLEVEL_STATION || end.z != ZLEVEL_STATION)
+	if(!(start.z in GLOB.station_z_levels) || !(end.z in GLOB.station_z_levels))
 		return
 	x_low = min(start.x, end.x)
 	y_low = min(start.y, end.y)
 	x_high = max(start.x, end.x)
 	y_high = max(start.y, end.y)
-	z = ZLEVEL_STATION
+	z = ZLEVEL_STATION_PRIMARY
 
 GLOBAL_VAR_INIT(reloading_map, FALSE)
 

code/modules/security_levels/security_levels.dm

@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 GLOBAL_VAR_INIT(security_level, 0)
 //0 = code green
 //1 = code blue
@@ -132,3 +133,133 @@ GLOBAL_VAR_INIT(security_level, 0)
 /mob/verb/set_thing3()
 	set_security_level(3)
 */
+=======
+GLOBAL_VAR_INIT(security_level, 0)
+//0 = code green
+//1 = code blue
+//2 = code red
+//3 = code delta
+
+//config.alert_desc_blue_downto
+
+/proc/set_security_level(level)
+	switch(level)
+		if("green")
+			level = SEC_LEVEL_GREEN
+		if("blue")
+			level = SEC_LEVEL_BLUE
+		if("red")
+			level = SEC_LEVEL_RED
+		if("delta")
+			level = SEC_LEVEL_DELTA
+
+	//Will not be announced if you try to set to the same level as it already is
+	if(level >= SEC_LEVEL_GREEN && level <= SEC_LEVEL_DELTA && level != GLOB.security_level)
+		switch(level)
+			if(SEC_LEVEL_GREEN)
+				minor_announce(config.alert_desc_green, "Attention! Security level lowered to green:")
+				if(SSshuttle.emergency.mode == SHUTTLE_CALL || SSshuttle.emergency.mode == SHUTTLE_RECALL)
+					if(GLOB.security_level >= SEC_LEVEL_RED)
+						SSshuttle.emergency.modTimer(4)
+					else
+						SSshuttle.emergency.modTimer(2)
+				GLOB.security_level = SEC_LEVEL_GREEN
+				for(var/obj/machinery/firealarm/FA in GLOB.machines)
+					if(FA.z in GLOB.station_z_levels)
+						FA.update_icon()
+			if(SEC_LEVEL_BLUE)
+				if(GLOB.security_level < SEC_LEVEL_BLUE)
+					minor_announce(config.alert_desc_blue_upto, "Attention! Security level elevated to blue:",1)
+					if(SSshuttle.emergency.mode == SHUTTLE_CALL || SSshuttle.emergency.mode == SHUTTLE_RECALL)
+						SSshuttle.emergency.modTimer(0.5)
+				else
+					minor_announce(config.alert_desc_blue_downto, "Attention! Security level lowered to blue:")
+					if(SSshuttle.emergency.mode == SHUTTLE_CALL || SSshuttle.emergency.mode == SHUTTLE_RECALL)
+						SSshuttle.emergency.modTimer(2)
+				GLOB.security_level = SEC_LEVEL_BLUE
+				for(var/obj/machinery/firealarm/FA in GLOB.machines)
+					if(FA.z in GLOB.station_z_levels)
+						FA.update_icon()
+			if(SEC_LEVEL_RED)
+				if(GLOB.security_level < SEC_LEVEL_RED)
+					minor_announce(config.alert_desc_red_upto, "Attention! Code red!",1)
+					if(SSshuttle.emergency.mode == SHUTTLE_CALL || SSshuttle.emergency.mode == SHUTTLE_RECALL)
+						if(GLOB.security_level == SEC_LEVEL_GREEN)
+							SSshuttle.emergency.modTimer(0.25)
+						else
+							SSshuttle.emergency.modTimer(0.5)
+				else
+					minor_announce(config.alert_desc_red_downto, "Attention! Code red!")
+				GLOB.security_level = SEC_LEVEL_RED
+
+				/*	- At the time of commit, setting status displays didn't work properly
+				var/obj/machinery/computer/communications/CC = locate(/obj/machinery/computer/communications,world)
+				if(CC)
+					CC.post_status("alert", "redalert")*/
+
+				for(var/obj/machinery/firealarm/FA in GLOB.machines)
+					if(FA.z in GLOB.station_z_levels)
+						FA.update_icon()
+				for(var/obj/machinery/computer/shuttle/pod/pod in GLOB.machines)
+					pod.admin_controlled = 0
+			if(SEC_LEVEL_DELTA)
+				minor_announce(config.alert_desc_delta, "Attention! Delta security level reached!",1)
+				if(SSshuttle.emergency.mode == SHUTTLE_CALL || SSshuttle.emergency.mode == SHUTTLE_RECALL)
+					if(GLOB.security_level == SEC_LEVEL_GREEN)
+						SSshuttle.emergency.modTimer(0.25)
+					else if(GLOB.security_level == SEC_LEVEL_BLUE)
+						SSshuttle.emergency.modTimer(0.5)
+				GLOB.security_level = SEC_LEVEL_DELTA
+				for(var/obj/machinery/firealarm/FA in GLOB.machines)
+					if(FA.z in GLOB.station_z_levels)
+						FA.update_icon()
+				for(var/obj/machinery/computer/shuttle/pod/pod in GLOB.machines)
+					pod.admin_controlled = 0
+	else
+		return
+
+/proc/get_security_level()
+	switch(GLOB.security_level)
+		if(SEC_LEVEL_GREEN)
+			return "green"
+		if(SEC_LEVEL_BLUE)
+			return "blue"
+		if(SEC_LEVEL_RED)
+			return "red"
+		if(SEC_LEVEL_DELTA)
+			return "delta"
+
+/proc/num2seclevel(num)
+	switch(num)
+		if(SEC_LEVEL_GREEN)
+			return "green"
+		if(SEC_LEVEL_BLUE)
+			return "blue"
+		if(SEC_LEVEL_RED)
+			return "red"
+		if(SEC_LEVEL_DELTA)
+			return "delta"
+
+/proc/seclevel2num(seclevel)
+	switch( lowertext(seclevel) )
+		if("green")
+			return SEC_LEVEL_GREEN
+		if("blue")
+			return SEC_LEVEL_BLUE
+		if("red")
+			return SEC_LEVEL_RED
+		if("delta")
+			return SEC_LEVEL_DELTA
+
+
+/*DEBUG
+/mob/verb/set_thing0()
+	set_security_level(0)
+/mob/verb/set_thing1()
+	set_security_level(1)
+/mob/verb/set_thing2()
+	set_security_level(2)
+/mob/verb/set_thing3()
+	set_security_level(3)
+*/
+>>>>>>> 10a3238... Makes the station Z level into a list instead of a single define (#30297)

code/modules/shuttle/navigation_computer.dm

@@ -1,7 +1,7 @@
 /obj/machinery/computer/camera_advanced/shuttle_docker
 	name = "navigation computer"
 	desc = "Used to designate a precise transit location for a spacecraft."
-	z_lock = ZLEVEL_STATION
+	z_lock = ZLEVEL_STATION_PRIMARY
 	jump_action = null
 	var/datum/action/innate/shuttledocker_rotate/rotate_action = new
 	var/datum/action/innate/shuttledocker_place/place_action = new

code/modules/shuttle/shuttle.dm

@@ -410,7 +410,7 @@
 	mode = SHUTTLE_RECALL
 
 /obj/docking_port/mobile/proc/enterTransit()
-	if(SSshuttle.lockdown && z == ZLEVEL_STATION)	//emp went off, no escape
+	if(SSshuttle.lockdown && (z in GLOB.station_z_levels))	//emp went off, no escape
 		return
 	previous = null
 //		if(!destination)
@@ -574,7 +574,7 @@
 
 		if(move_mode & MOVE_AREA)
 			areas_to_move[old_area] = TRUE
-		
+
 		old_turfs[place] = move_mode
 
 	/*******************************************All onShuttleMove procs******************************************/

code/modules/shuttle/supply.dm

@@ -45,7 +45,7 @@ GLOBAL_LIST_INIT(blacklisted_cargo_types, typecacheof(list(
 	SSshuttle.supply = src
 
 /obj/docking_port/mobile/supply/canMove()
-	if(z == ZLEVEL_STATION)
+	if(z in GLOB.station_z_levels)
 		return check_blacklist(shuttle_areas)
 	return ..()
 

code/modules/shuttle/syndicate.dm

@@ -47,7 +47,7 @@
 	desc = "Used to designate a precise transit location for the syndicate shuttle."
 	icon_screen = "syndishuttle"
 	icon_keyboard = "syndie_key"
-	z_lock = ZLEVEL_STATION
+	z_lock = ZLEVEL_STATION_PRIMARY
 	shuttleId = "syndicate"
 	shuttlePortId = "syndicate_custom"
 	shuttlePortName = "custom location"

code/modules/station_goals/shield.dm

@@ -31,7 +31,7 @@
 /datum/station_goal/proc/get_coverage()
 	var/list/coverage = list()
 	for(var/obj/machinery/satellite/meteor_shield/A in GLOB.machines)
-		if(!A.active || A.z != ZLEVEL_STATION)
+		if(!A.active || !(A.z in GLOB.station_z_levels))
 			continue
 		coverage |= view(A.kill_range,A)
 	return coverage.len