Replace explicit z-level checks with defines

code/game/area/areas.dm

@@ -76,7 +76,7 @@ GLOBAL_LIST_EMPTY(teleportlocs)
 		if(GLOB.teleportlocs[AR.name])
 			continue
 		var/turf/picked = safepick(get_area_turfs(AR.type))
-		if (picked && (picked.z in GLOB.station_z_levels))
+		if (picked && is_station_level(picked.z))
 			GLOB.teleportlocs[AR.name] = AR
 
 	sortTim(GLOB.teleportlocs, /proc/cmp_text_dsc)

code/game/atoms.dm

@@ -113,7 +113,7 @@
 	if(!T)
 		return FALSE
 
-	if(T.z == ZLEVEL_TRANSIT)
+	if(is_transit_level(T.z))
 		for(var/A in SSshuttle.mobile)
 			var/obj/docking_port/mobile/M = A
 			if(M.launch_status == ENDGAME_TRANSIT)
@@ -122,7 +122,7 @@
 					if(T in shuttle_area)
 						return TRUE
 
-	if(T.z != ZLEVEL_CENTCOM)//if not, don't bother
+	if(!is_centcom_level(T.z))//if not, don't bother
 		return FALSE
 
 	//Check for centcom itself
@@ -141,15 +141,15 @@
 /atom/proc/onSyndieBase()
 	var/turf/T = get_turf(src)
 	if(!T)
-		return 0
+		return FALSE
 
-	if(T.z != ZLEVEL_CENTCOM)//if not, don't bother
-		return 0
+	if(!is_centcom_level(T.z))//if not, don't bother
+		return FALSE
 
-	if(istype(T.loc, /area/shuttle/syndicate) || istype(T.loc, /area/syndicate_mothership))
-		return 1
+	if(istype(T.loc, /area/shuttle/syndicate) || istype(T.loc, /area/syndicate_mothership) || istype(T.loc, /area/shuttle/assault_pod))
+		return TRUE
 
-	return 0
+	return FALSE
 
 /atom/proc/attack_hulk(mob/living/carbon/human/user, does_attack_animation = 0)
 	SendSignal(COMSIG_ATOM_HULK_ATTACK, user)

code/game/atoms_movable.dm

@@ -611,8 +611,8 @@
 
 /atom/movable/proc/in_bounds()
 	. = FALSE
-	var/turf/currentturf = get_turf(src)
-	if(currentturf && (currentturf.z == ZLEVEL_CENTCOM || (currentturf.z in GLOB.station_z_levels) || currentturf.z == ZLEVEL_TRANSIT))
+	var/turf/T = get_turf(src)
+	if (T && (is_centcom_level(T.z) || is_station_level(T.z) || is_transit_level(T.z)))
 		. = TRUE
 
 

code/game/gamemodes/antag_spawner.dm

@@ -108,7 +108,7 @@
 	if(!user.mind.has_antag_datum(/datum/antagonist/nukeop,TRUE))
 		to_chat(user, "<span class='danger'>AUTHENTICATION FAILURE. ACCESS DENIED.</span>")
 		return FALSE
-	if(user.z != ZLEVEL_CENTCOM)
+	if(!user.onSyndieBase())
 		to_chat(user, "<span class='warning'>[src] is out of range! It can only be used at your base!</span>")
 		return FALSE
 	return TRUE
@@ -208,7 +208,7 @@
 
 
 /obj/item/antag_spawner/slaughter_demon/attack_self(mob/user)
-	if(!(user.z in GLOB.station_z_levels))
+	if(!is_station_level(user.z))
 		to_chat(user, "<span class='notice'>You should probably wait until you reach the station.</span>")
 		return
 	if(used)

code/game/gamemodes/blob/overmind.dm

@@ -53,7 +53,18 @@ GLOBAL_LIST_EMPTY(blob_nodes)
 
 	SSshuttle.registerHostileEnvironment(src)
 
+<<<<<<< HEAD
 	.= ..()
+=======
+/mob/camera/blob/proc/validate_location()
+	var/turf/T = get_turf(src)
+	var/area/A = get_area(T)
+	if(((A && !A.blob_allowed) || !T || !is_station_level(T.z)) && LAZYLEN(GLOB.blobstart))
+		T = get_turf(pick(GLOB.blobstart))
+	if(!T)
+		CRASH("No blobspawnpoints and blob spawned in nullspace.")
+	forceMove(T)
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 
 /mob/camera/blob/Life()
 	if(!blob_core)
@@ -73,6 +84,12 @@ GLOBAL_LIST_EMPTY(blob_nodes)
 		max_blob_points = INFINITY
 		blob_points = INFINITY
 		addtimer(CALLBACK(src, .proc/victory), 450)
+<<<<<<< HEAD
+=======
+
+	if(!victory_in_progress && max_count < blobs_legit.len)
+		max_count = blobs_legit.len
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 	..()
 
 
@@ -82,7 +99,7 @@ GLOBAL_LIST_EMPTY(blob_nodes)
 	for(var/i in GLOB.mob_living_list)
 		var/mob/living/L = i
 		var/turf/T = get_turf(L)
-		if(!T || !(T.z in GLOB.station_z_levels))
+		if(!T || !is_station_level(T.z))
 			continue
 
 		if(L in GLOB.overminds || (L.pass_flags & PASSBLOB))

code/game/gamemodes/clock_cult/clock_effects/spatial_gateway.dm

@@ -165,13 +165,13 @@
 	var/list/teleportnames = list()
 
 	for(var/obj/structure/destructible/clockwork/powered/clockwork_obelisk/O in GLOB.all_clockwork_objects)
-		if(!O.Adjacent(invoker) && O != src && (O.z <= ZLEVEL_SPACEMAX) && O.anchored) //don't list obelisks that we're next to
+		if(!O.Adjacent(invoker) && O != src && !is_away_level(O.z) && O.anchored) //don't list obelisks that we're next to
 			var/area/A = get_area(O)
 			var/locname = initial(A.name)
 			possible_targets[avoid_assoc_duplicate_keys("[locname] [O.name]", teleportnames)] = O
 
 	for(var/mob/living/L in GLOB.alive_mob_list)
-		if(!L.stat && is_servant_of_ratvar(L) && !L.Adjacent(invoker) && (L.z <= ZLEVEL_SPACEMAX)) //People right next to the invoker can't be portaled to, for obvious reasons
+		if(!L.stat && is_servant_of_ratvar(L) && !L.Adjacent(invoker) && !is_away_level(L.z)) //People right next to the invoker can't be portaled to, for obvious reasons
 			possible_targets[avoid_assoc_duplicate_keys("[L.name] ([L.real_name])", teleportnames)] = L
 
 	if(!possible_targets.len)

code/game/gamemodes/clock_cult/clock_items/replica_fabricator.dm

@@ -94,7 +94,7 @@
 		fabrication_values["power_cost"] = 0
 
 	var/turf/Y = get_turf(user)
-	if(!Y || (!(Y.z in GLOB.station_z_levels) && Y.z != ZLEVEL_CENTCOM && Y.z != ZLEVEL_MINING && Y.z != ZLEVEL_LAVALAND))
+	if(!Y || (!is_centcom_level(Y.z) && !is_station_level(Y.z) && !is_mining_level(Y.z)))
 		fabrication_values["operation_time"] *= 2
 		if(fabrication_values["power_cost"] > 0)
 			fabrication_values["power_cost"] *= 2

code/game/gamemodes/clock_cult/clock_mobs/_eminence.dm

@@ -63,7 +63,7 @@
 	hierophant_message("<span class='large_brass'><b>The Eminence:</b> \"[message]\"</span>")
 
 /mob/camera/eminence/Hear(message, atom/movable/speaker, datum/language/message_language, raw_message, radio_freq, list/spans, message_mode)
-	if(z == ZLEVEL_CITYOFCOGS || is_servant_of_ratvar(speaker) || GLOB.ratvar_approaches || GLOB.ratvar_awakens) //Away from Reebe, the Eminence can't hear anything
+	if(is_reebe(z) || is_servant_of_ratvar(speaker) || GLOB.ratvar_approaches || GLOB.ratvar_awakens) //Away from Reebe, the Eminence can't hear anything
 		to_chat(src, message)
 		return
 	to_chat(src, "<i>[speaker] says something, but you can't understand any of it...</i>")
@@ -233,7 +233,7 @@
 	button_icon_state = "warp_down"
 
 /datum/action/innate/eminence/station_jump/Activate()
-	if(owner.z == ZLEVEL_CITYOFCOGS)
+	if(is_reebe(owner.z))
 		owner.forceMove(get_turf(pick(GLOB.generic_event_spawns)))
 		owner.playsound_local(owner, 'sound/magic/magic_missile.ogg', 50, TRUE)
 		flash_color(owner, flash_color = "#AF0AAF", flash_time = 25)

code/game/gamemodes/clock_cult/clock_scripture.dm

@@ -126,7 +126,7 @@ Applications: 8 servants, 3 caches, and 100 CV
 
 /datum/clockwork_scripture/proc/check_offstation_penalty()
 	var/turf/T = get_turf(invoker)
-	if(!T || (!(T.z in GLOB.station_z_levels) && T.z != ZLEVEL_CENTCOM && T.z != ZLEVEL_MINING && T.z != ZLEVEL_LAVALAND && T.z != ZLEVEL_CITYOFCOGS))
+	if(!T || (!is_centcom_level(T.z) && !is_station_level(T.z) && !is_mining_level(T.z) && !is_reebe(T.z)))
 		channel_time *= 2
 		power_cost *= 2
 		return TRUE
@@ -262,7 +262,7 @@ Applications: 8 servants, 3 caches, and 100 CV
 		to_chat(invoker, "<span class='warning'>There are too many constructs of this type ([constructs])! You may only have [round(construct_limit)] at once.</span>")
 		return
 	var/obj/structure/destructible/clockwork/massive/celestial_gateway/G = GLOB.ark_of_the_clockwork_justiciar
-	if(G && !G.active && combat_construct && invoker.z == ZLEVEL_CITYOFCOGS && !confirmed) //Putting marauders on the base during the prep phase is a bad idea mmkay
+	if(G && !G.active && combat_construct && is_reebe(invoker.z) && !confirmed) //Putting marauders on the base during the prep phase is a bad idea mmkay
 		if(alert(invoker, "This is a combat construct, and you cannot easily get it to the station. Are you sure you want to make one here?", "Construct Alert", "Yes", "Cancel") == "Cancel")
 			return
 		if(!is_servant_of_ratvar(invoker) || !invoker.canUseTopic(slab))

code/game/gamemodes/clock_cult/clock_scriptures/scripture_drivers.dm

@@ -209,7 +209,7 @@
 	quickbind_desc = "Returns you to Reebe."
 
 /datum/clockwork_scripture/abscond/check_special_requirements()
-	if(invoker.z == ZLEVEL_CITYOFCOGS)
+	if(is_reebe(invoker.z))
 		to_chat(invoker, "<span class='danger'>You're already at Reebe.</span>")
 		return
 	return TRUE

code/game/gamemodes/cult/ritual.dm

@@ -203,7 +203,7 @@ This file contains the arcane tome files.
 	A = get_area(src)
 	if(!src || QDELETED(src) || !Adjacent(user) || user.incapacitated() || !check_rune_turf(Turf, user))
 		return
-	
+
 	//AAAAAAAAAAAAAAAH, i'm rewriting enough for now so TODO: remove this shit
 	if(ispath(rune_to_scribe, /obj/effect/rune/narsie))
 		if(!summon_objective)
@@ -266,7 +266,11 @@ This file contains the arcane tome files.
 		to_chat(user, "<span class='cult'>There is already a rune here.</span>")
 		return FALSE
 
+<<<<<<< HEAD
 	if(!(T.z in GLOB.station_z_levels) && T.z != ZLEVEL_MINING)
+=======
+	if(!is_station_level(T.z) && !is_mining_level(T.z))
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 		to_chat(user, "<span class='warning'>The veil is not weak enough here.</span>")
 		return FALSE
 

code/game/gamemodes/cult/runes.dm

@@ -268,7 +268,7 @@ structure_check() searches for nearby cultist structures required for the invoca
 	var/list/teleportnames = list()
 	for(var/R in GLOB.teleport_runes)
 		var/obj/effect/rune/teleport/T = R
-		if(T != src && (T.z <= ZLEVEL_SPACEMAX))
+		if(T != src && !is_away_level(T.z))
 			potential_runes[avoid_assoc_duplicate_keys(T.listkey, teleportnames)] = T
 
 	if(!potential_runes.len)
@@ -277,8 +277,14 @@ structure_check() searches for nearby cultist structures required for the invoca
 		fail_invoke()
 		return
 
+<<<<<<< HEAD
 	if(user.z > ZLEVEL_SPACEMAX)
 		to_chat(user, "<span class='cultitalic'>You are not in the right dimension!</span>")
+=======
+	var/turf/T = get_turf(src)
+	if(is_away_level(T.z))
+		to_chat(user, "<span class='cult italic'>You are not in the right dimension!</span>")
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 		log_game("Teleport rune failed - user in away mission")
 		fail_invoke()
 		return
@@ -289,7 +295,6 @@ structure_check() searches for nearby cultist structures required for the invoca
 		fail_invoke()
 		return
 
-	var/turf/T = get_turf(src)
 	var/turf/target = get_turf(actual_selected_rune)
 	if(is_blocked_turf(target, TRUE))
 		to_chat(user, "<span class='warning'>The target rune is blocked. Attempting to teleport to it would be massively unwise.</span>")
@@ -479,7 +484,7 @@ structure_check() searches for nearby cultist structures required for the invoca
 /obj/effect/rune/narsie/invoke(var/list/invokers)
 	if(used)
 		return
-	if(!(z in GLOB.station_z_levels))
+	if(!is_station_level(z))
 		return
 
 	if(locate(/obj/singularity/narsie) in GLOB.poi_list)
@@ -815,8 +820,13 @@ structure_check() searches for nearby cultist structures required for the invoca
 		fail_invoke()
 		log_game("Summon Cultist rune failed - target was deconverted")
 		return
+<<<<<<< HEAD
 	if(cultist_to_summon.z > ZLEVEL_SPACEMAX)
 		to_chat(user, "<span class='cultitalic'>[cultist_to_summon] is not in our dimension!</span>")
+=======
+	if(is_away_level(cultist_to_summon.z))
+		to_chat(user, "<span class='cult italic'>[cultist_to_summon] is not in our dimension!</span>")
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 		fail_invoke()
 		log_game("Summon Cultist rune failed - target in away mission")
 		return

code/game/gamemodes/cult/talisman.dm

@@ -65,8 +65,13 @@
 		log_game("Teleport talisman failed - no other teleport runes")
 		return ..(user, 0)
 
+<<<<<<< HEAD
 	if(user.z > ZLEVEL_SPACEMAX)
 		to_chat(user, "<span class='cultitalic'>You are not in the right dimension!</span>")
+=======
+	if(is_away_level(user.z))
+		to_chat(user, "<span class='cult italic'>You are not in the right dimension!</span>")
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 		log_game("Teleport talisman failed - user in away mission")
 		return ..(user, 0)
 

code/game/gamemodes/events.dm

@@ -1,7 +1,7 @@
 /proc/power_failure()
 	priority_announce("Abnormal activity detected in [station_name()]'s powernet. As a precautionary measure, the station's power will be shut off for an indeterminate duration.", "Critical Power Failure", 'sound/ai/poweroff.ogg')
 	for(var/obj/machinery/power/smes/S in GLOB.machines)
-		if(istype(get_area(S), /area/ai_monitored/turret_protected) || !(S.z in GLOB.station_z_levels))
+		if(istype(get_area(S), /area/ai_monitored/turret_protected) || !is_station_level(S.z))
 			continue
 		S.charge = 0
 		S.output_level = 0
@@ -22,7 +22,7 @@
 				break
 		if(A.contents)
 			for(var/atom/AT in A.contents)
-				if(!(AT.z in GLOB.station_z_levels)) //Only check one, it's enough.
+				if(!is_station_level(AT.z)) //Only check one, it's enough.
 					skip = 1
 				break
 		if(skip)
@@ -33,7 +33,7 @@
 		A.power_change()
 
 	for(var/obj/machinery/power/apc/C in GLOB.apcs_list)
-		if(C.cell && (C.z in GLOB.station_z_levels))
+		if(C.cell && is_station_level(C.z))
 			var/area/A = C.area
 
 			var/skip = 0
@@ -50,11 +50,11 @@
 
 	priority_announce("Power has been restored to [station_name()]. We apologize for the inconvenience.", "Power Systems Nominal", 'sound/ai/poweron.ogg')
 	for(var/obj/machinery/power/apc/C in GLOB.machines)
-		if(C.cell && (C.z in GLOB.station_z_levels))
+		if(C.cell && is_station_level(C.z))
 			C.cell.charge = C.cell.maxcharge
 			C.failure_timer = 0
 	for(var/obj/machinery/power/smes/S in GLOB.machines)
-		if(!(S.z in GLOB.station_z_levels))
+		if(!is_station_level(S.z))
 			continue
 		S.charge = S.capacity
 		S.output_level = S.output_level_max
@@ -72,7 +72,7 @@
 
 	priority_announce("All SMESs on [station_name()] have been recharged. We apologize for the inconvenience.", "Power Systems Nominal", 'sound/ai/poweron.ogg')
 	for(var/obj/machinery/power/smes/S in GLOB.machines)
-		if(!(S.z in GLOB.station_z_levels))
+		if(!is_station_level(S.z))
 			continue
 		S.charge = S.capacity
 		S.output_level = S.output_level_max

code/game/gamemodes/malfunction/Malf_Modules.dm

@@ -233,7 +233,7 @@ GLOBAL_LIST_INIT(blacklisted_malf_machines, typecacheof(list(
 
 /datum/action/innate/ai/nuke_station/Activate()
 	var/turf/T = get_turf(owner)
-	if(!istype(T) || !(T.z in GLOB.station_z_levels))
+	if(!istype(T) || !is_station_level(T.z))
 		to_chat(owner, "<span class='warning'>You cannot activate the doomsday device while off-station!</span>")
 		return
 	if(alert(owner, "Send arming signal? (true = arm, false = cancel)", "purge_all_life()", "confirm = TRUE;", "confirm = FALSE;") != "confirm = TRUE;")
@@ -356,7 +356,7 @@ GLOBAL_LIST_INIT(blacklisted_malf_machines, typecacheof(list(
 
 /obj/machinery/doomsday_device/process()
 	var/turf/T = get_turf(src)
-	if(!T || !(T.z in GLOB.station_z_levels))
+	if(!T || !is_station_level(T.z))
 		minor_announce("DOOMSDAY DEVICE OUT OF STATION RANGE, ABORTING", "ERROR ER0RR $R0RRO$!R41.%%!!(%$^^__+ @#F0E4", TRUE)
 		SSshuttle.clearHostileEnvironment(src)
 		qdel(src)
@@ -378,7 +378,7 @@ GLOBAL_LIST_INIT(blacklisted_malf_machines, typecacheof(list(
 	for(var/i in GLOB.mob_living_list)
 		var/mob/living/L = i
 		var/turf/T = get_turf(L)
-		if(!T || !(T.z in GLOB.station_z_levels))
+		if(!T || !is_station_level(T.z))
 			continue
 		if(issilicon(L))
 			continue
@@ -425,7 +425,7 @@ GLOBAL_LIST_INIT(blacklisted_malf_machines, typecacheof(list(
 
 /datum/action/innate/ai/lockdown/Activate()
 	for(var/obj/machinery/door/D in GLOB.airlocks)
-		if(!(D.z in GLOB.station_z_levels))
+		if(!is_station_level(D.z))
 			continue
 		INVOKE_ASYNC(D, /obj/machinery/door.proc/hostile_lockdown, owner)
 		addtimer(CALLBACK(D, /obj/machinery/door.proc/disable_lockdown), 900)
@@ -503,7 +503,7 @@ GLOBAL_LIST_INIT(blacklisted_malf_machines, typecacheof(list(
 
 /datum/action/innate/ai/break_fire_alarms/Activate()
 	for(var/obj/machinery/firealarm/F in GLOB.machines)
-		if(!(F.z in GLOB.station_z_levels))
+		if(!is_station_level(F.z))
 			continue
 		F.emagged = TRUE
 	to_chat(owner, "<span class='notice'>All thermal sensors on the station have been disabled. Fire alerts will no longer be recognized.</span>")
@@ -530,7 +530,7 @@ GLOBAL_LIST_INIT(blacklisted_malf_machines, typecacheof(list(
 
 /datum/action/innate/ai/break_air_alarms/Activate()
 	for(var/obj/machinery/airalarm/AA in GLOB.machines)
-		if(!(AA.z in GLOB.station_z_levels))
+		if(!is_station_level(AA.z))
 			continue
 		AA.emagged = TRUE
 	to_chat(owner, "<span class='notice'>All air alarm safeties on the station have been overriden. Air alarms may now use the Flood environmental mode.</span>")
@@ -753,7 +753,7 @@ GLOBAL_LIST_INIT(blacklisted_malf_machines, typecacheof(list(
 
 /datum/action/innate/ai/emergency_lights/Activate()
 	for(var/obj/machinery/light/L in GLOB.machines)
-		if(L.z in GLOB.station_z_levels)
+		if(is_station_level(L.z))
 			L.no_emergency = TRUE
 			INVOKE_ASYNC(L, /obj/machinery/light/.proc/update, FALSE)
 		CHECK_TICK

code/game/gamemodes/miniantags/bot_swarm/swarmer.dm

@@ -454,7 +454,7 @@
 	if(target == src)
 		return
 
-	if(!(z in GLOB.station_z_levels) && z != ZLEVEL_LAVALAND)
+	if(!is_station_level(z) && !is_mining_level(z))
 		to_chat(src, "<span class='warning'>Our bluespace transceiver cannot locate a viable bluespace link, our teleportation abilities are useless in this area.</span>")
 		return
 

code/game/gamemodes/miniantags/monkey/monkey.dm

@@ -67,7 +67,7 @@
 
 		var/datum/disease/D = new /datum/disease/transformation/jungle_fever() //ugly but unfortunately needed
 		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
 			if(H.mind && H.client && H.stat != DEAD)
 				if(H.HasDisease(D))

code/game/gamemodes/nuclear/nuclear_challenge.dm

@@ -67,7 +67,7 @@
 	if(GLOB.player_list.len < CHALLENGE_MIN_PLAYERS)
 		to_chat(user, "The enemy crew is too small to be worth declaring war on.")
 		return FALSE
-	if(user.z != ZLEVEL_CENTCOM)
+	if(!user.onSyndieBase())
 		to_chat(user, "You have to be at your base to use this.")
 		return FALSE
 	if(world.time-SSticker.round_start_time > CHALLENGE_TIME_LIMIT)

code/game/gamemodes/nuclear/nuclearbomb.dm

@@ -451,12 +451,12 @@
 	var/off_station = 0
 	var/turf/bomb_location = get_turf(src)
 	var/area/A = get_area(bomb_location)
-	if(bomb_location && (bomb_location.z in GLOB.station_z_levels))
+	if(bomb_location && is_station_level(bomb_location.z))
 		if(istype(A, /area/space))
 			off_station = NUKE_NEAR_MISS
 		if((bomb_location.x < (128-NUKERANGE)) || (bomb_location.x > (128+NUKERANGE)) || (bomb_location.y < (128-NUKERANGE)) || (bomb_location.y > (128+NUKERANGE)))
 			off_station = NUKE_NEAR_MISS
-	else if((istype(A, /area/syndicate_mothership) || (istype(A, /area/shuttle/syndicate)) && bomb_location.z == ZLEVEL_CENTCOM))
+	else if(bomb_location.onSyndieBase())
 		off_station = NUKE_SYNDICATE_BASE
 	else
 		off_station = NUKE_MISS_STATION
@@ -556,7 +556,7 @@ This is here to make the tiles around the station mininuke change when it's arme
 		addtimer(CALLBACK(user, /atom/proc/add_atom_colour, (i % 2)? "#00FF00" : "#FF0000", ADMIN_COLOUR_PRIORITY), i)
 	addtimer(CALLBACK(src, .proc/manual_suicide, user), 101)
 	return MANUAL_SUICIDE
-	
+
 /obj/item/disk/proc/manual_suicide(mob/living/user)
 	user.remove_atom_colour(ADMIN_COLOUR_PRIORITY)
 	user.visible_message("<span class='suicide'>[user] was destroyed by the nuclear blast!</span>")

code/game/gamemodes/objective.dm

@@ -154,7 +154,7 @@
 	if(!target || !considered_alive(target) || considered_afk(target))
 		return TRUE
 	var/turf/T = get_turf(target.current)
-	return T && !(T.z in GLOB.station_z_levels)
+	return T && !is_station_level(T.z)
 
 /datum/objective/mutiny/update_explanation_text()
 	..()

code/game/gamemodes/revolution/revolution.dm

@@ -164,7 +164,7 @@
 /datum/game_mode/revolution/proc/check_heads_victory()
 	for(var/datum/mind/rev_mind in revolution.head_revolutionaries())
 		var/turf/T = get_turf(rev_mind.current)
-		if(!considered_afk(rev_mind) && considered_alive(rev_mind) && (T.z in GLOB.station_z_levels))
+		if(!considered_afk(rev_mind) && considered_alive(rev_mind) && is_station_level(T.z))
 			if(ishuman(rev_mind.current))
 				return FALSE
 	return TRUE

code/game/machinery/camera/camera.dm

@@ -53,7 +53,7 @@
 		LAZYADD(myarea.cameras, src)
 	proximity_monitor = new(src, 1)
 
-	if(mapload && (z in GLOB.station_z_levels) && prob(3) && !start_active)
+	if(mapload && is_station_level(z) && prob(3) && !start_active)
 		toggle_cam()
 
 /obj/machinery/camera/Destroy()

code/game/machinery/computer/camera.dm

@@ -124,7 +124,7 @@
 /obj/machinery/computer/security/proc/get_available_cameras()
 	var/list/L = list()
 	for (var/obj/machinery/camera/C in GLOB.cameranet.cameras)
-		if((z > ZLEVEL_SPACEMAX || C.z > ZLEVEL_SPACEMAX) && (C.z != z))//if on away mission, can only recieve feed from same z_level cameras
+		if((is_away_level(z) || is_away_level(C.z)) && (C.z != z))//if on away mission, can only recieve feed from same z_level cameras
 			continue
 		L.Add(C)
 

code/game/machinery/computer/camera_advanced.dm

@@ -303,7 +303,7 @@
 	var/mob/camera/aiEye/remote/remote_eye = user.remote_control
 	var/obj/machinery/computer/camera_advanced/ratvar/R  = target
 	var/turf/T = get_turf(remote_eye)
-	if(user.z != ZLEVEL_CITYOFCOGS || !(T.z in GLOB.station_z_levels))
+	if(!is_reebe(user.z) || !is_station_level(T.z))
 		return
 	if(isclosedturf(T))
 		to_chat(user, "<span class='sevtug_small'>You can't teleport into a wall.</span>")

code/game/machinery/computer/communications.dm

@@ -9,7 +9,7 @@
 	var/authenticated = 0
 	var/auth_id = "Unknown" //Who is currently logged in?
 	var/list/datum/comm_message/messages = list()
-	var/datum/comm_message/currmsg 
+	var/datum/comm_message/currmsg
 	var/datum/comm_message/aicurrmsg
 	var/state = STATE_DEFAULT
 	var/aistate = STATE_DEFAULT
@@ -53,7 +53,7 @@
 /obj/machinery/computer/communications/Topic(href, href_list)
 	if(..())
 		return
-	if(!(z in GLOB.station_z_levels) && z != ZLEVEL_CENTCOM) //Can only use on centcom and SS13
+	if(!is_station_level(z) && !is_centcom_level(z)) //Can only use on centcom and SS13
 		to_chat(usr, "<span class='boldannounce'>Unable to establish a connection</span>: \black You're too far away from the station!")
 		return
 	usr.set_machine(src)
@@ -136,7 +136,12 @@
 					to_chat(usr, "<span class='warning'>Arrays recycling.  Please stand by.</span>")
 					playsound(src, 'sound/machines/terminal_prompt_deny.ogg', 50, 0)
 					return
+<<<<<<< HEAD
 				var/input = stripped_multiline_input(usr, "Please choose a message to transmit to an allied station.  Please be aware that this process is very expensive, and abuse will lead to... termination.", "Send a message to an allied station.", "")
+=======
+
+				var/input = stripped_multiline_input(usr, "Please choose a message to transmit to allied stations.  Please be aware that this process is very expensive, and abuse will lead to... termination.", "Send a message to an allied station.", "")
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)
 				if(!input || !(usr in view(1,src)))
 					return
 				playsound(src, 'sound/machines/terminal_prompt_confirm.ogg', 50, 0)

code/game/machinery/computer/prisoner.dm

@@ -56,7 +56,7 @@
 
 			var/loc_display = "Unknown"
 			var/mob/living/M = T.imp_in
-			if((Tr.z in GLOB.station_z_levels) && !isspaceturf(M.loc))
+			if(is_station_level(Tr.z) && !isspaceturf(M.loc))
 				var/turf/mob_loc = get_turf(M)
 				loc_display = mob_loc.loc
 

code/game/machinery/computer/teleporter.dm

@@ -209,4 +209,19 @@
 				trg.teleporter_hub.update_icon()
 			if(trg.teleporter_console)
 				trg.teleporter_console.stat &= ~NOPOWER
-				trg.teleporter_console.update_icon()
+<<<<<<< HEAD
+				trg.teleporter_console.update_icon()
+=======
+				trg.teleporter_console.update_icon()
+
+/obj/machinery/computer/teleporter/proc/is_eligible(atom/movable/AM)
+	var/turf/T = get_turf(AM)
+	if(!T)
+		return FALSE
+	if(is_centcom_level(T.z) || is_away_level(T.z))
+		return FALSE
+	var/area/A = get_area(T)
+	if(!A || A.noteleport)
+		return FALSE
+	return TRUE
+>>>>>>> f2dbe5c... Replace explicit z-level checks with defines (#33829)

code/game/machinery/firealarm.dm

@@ -70,7 +70,7 @@
 		if(stat & NOPOWER)
 			return
 
-		if(src.z in GLOB.station_z_levels)
+		if(is_station_level(z))
 			add_overlay("overlay_[GLOB.security_level]")
 		else
 			add_overlay("overlay_[SEC_LEVEL_GREEN]")
@@ -124,7 +124,7 @@
 	var/list/data = list()
 	data["emagged"] = emagged
 
-	if(src.z in GLOB.station_z_levels)
+	if(is_station_level(z))
 		data["seclevel"] = get_security_level()
 	else
 		data["seclevel"] = "green"

code/game/machinery/status_display.dm

@@ -107,7 +107,7 @@
 			var/line1
 			var/line2
 			if(SSshuttle.supply.mode == SHUTTLE_IDLE)
-				if(SSshuttle.supply.z in GLOB.station_z_levels)
+				if(is_station_level(SSshuttle.supply.z))
 					line1 = "CARGO"
 					line2 = "Docked"
 			else
@@ -140,7 +140,7 @@
 			var/obj/docking_port/mobile/shuttle = SSshuttle.supply
 			var/shuttleMsg = null
 			if (shuttle.mode == SHUTTLE_IDLE)
-				if (shuttle.z in GLOB.station_z_levels)
+				if (is_station_level(shuttle.z))
 					shuttleMsg = "Docked"
 			else
 				shuttleMsg = "[shuttle.getModeStr()]: [shuttle.getTimerStr()]"

code/game/machinery/teleporter.dm

@@ -42,7 +42,7 @@
 	return power_station
 
 /obj/machinery/teleport/hub/CollidedWith(atom/movable/AM)
-	if(z == ZLEVEL_CENTCOM)
+	if(is_centcom_level(z))
 		to_chat(AM, "You can't use this here.")
 		return
 	if(is_ready())

code/game/mecha/equipment/tools/other_tools.dm

@@ -13,7 +13,7 @@
 	range = RANGED
 
 /obj/item/mecha_parts/mecha_equipment/teleporter/action(atom/target)
-	if(!action_checks(target) || src.loc.z == ZLEVEL_CENTCOM)
+	if(!action_checks(target) || is_centcom_level(loc.z))
 		return
 	var/turf/T = get_turf(target)
 	if(T)
@@ -34,7 +34,7 @@
 
 
 /obj/item/mecha_parts/mecha_equipment/wormhole_generator/action(atom/target)
-	if(!action_checks(target) || src.loc.z == ZLEVEL_CENTCOM)
+	if(!action_checks(target) || is_centcom_level(loc.z))
 		return
 	var/list/theareas = get_areas_in_range(100, chassis)
 	if(!theareas.len)

code/game/objects/items/devices/PDA/cart.dm

@@ -430,14 +430,14 @@ Code:
 			switch(SSshuttle.supply.mode)
 				if(SHUTTLE_CALL)
 					menu += "Moving to "
-					if(!(SSshuttle.supply.z in GLOB.station_z_levels))
+					if(!is_station_level(SSshuttle.supply.z))
 						menu += "station"
 					else
 						menu += "centcom"
 					menu += " ([SSshuttle.supply.timeLeft(600)] Mins)"
 				else
 					menu += "At "
-					if(!(SSshuttle.supply.z in GLOB.station_z_levels))
+					if(!is_station_level(SSshuttle.supply.z))
 						menu += "centcom"
 					else
 						menu += "station"

code/game/objects/items/storage/backpack.dm

@@ -72,7 +72,7 @@
 /obj/item/storage/backpack/holding/handle_item_insertion(obj/item/W, prevent_warning = 0, mob/living/user)
 	if((istype(W, /obj/item/storage/backpack/holding) || count_by_type(W.GetAllContents(), /obj/item/storage/backpack/holding)))
 		var/turf/loccheck = get_turf(src)
-		if(loccheck.z == ZLEVEL_CITYOFCOGS)
+		if(is_reebe(loccheck.z))
 			user.visible_message("<span class='warning'>An unseen force knocks [user] to the ground!</span>", "<span class='big_brass'>\"I think not!\"</span>")
 			user.Knockdown(60)
 			return

code/game/objects/items/teleportation.dm

@@ -52,7 +52,7 @@ Frequency:
 	if (usr.stat || usr.restrained())
 		return
 	var/turf/current_location = get_turf(usr)//What turf is the user on?
-	if(!current_location || current_location.z == ZLEVEL_CENTCOM)//If turf was not found or they're on CentCom
+	if(!current_location || is_centcom_level(current_location.z))//If turf was not found or they're on CentCom
 		to_chat(usr, "[src] is malfunctioning.")
 		return
 	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)))
@@ -167,7 +167,7 @@ Frequency:
 /obj/item/hand_tele/attack_self(mob/user)
 	var/turf/current_location = get_turf(user)//What turf is the user on?
 	var/area/current_area = current_location.loc
-	if(!current_location || current_area.noteleport || current_location.z > ZLEVEL_SPACEMAX || !isturf(user.loc))//If turf was not found or they're on z level 2 or >7 which does not currently exist. or if user is not located on a turf
+	if(!current_location || current_area.noteleport || is_away_level(current_location.z) || !isturf(user.loc))//If turf was not found or they're on z level 2 or >7 which does not currently exist. or if user is not located on a turf
 		to_chat(user, "<span class='notice'>\The [src] is malfunctioning.</span>")
 		return
 	var/list/L = list(  )
@@ -205,7 +205,7 @@ Frequency:
 		return
 	current_location = get_turf(user)	//Recheck.
 	current_area = current_location.loc
-	if(!current_location || current_area.noteleport || current_location.z > ZLEVEL_SPACEMAX || !isturf(user.loc))//If turf was not found or they're on z level 2 or >7 which does not currently exist. or if user is not located on a turf
+	if(!current_location || current_area.noteleport || is_away_level(current_location.z) || !isturf(user.loc))//If turf was not found or they're on z level 2 or >7 which does not currently exist. or if user is not located on a turf
 		to_chat(user, "<span class='notice'>\The [src] is malfunctioning.</span>")
 		return	
 	user.show_message("<span class='notice'>Locked In.</span>", 2)

code/game/objects/structures/lattice.dm

@@ -63,7 +63,7 @@
 	canSmoothWith += /turf/open/indestructible/clock_spawn_room //list overrides are a terrible thing
 	. = ..()
 	ratvar_act()
-	if(z == ZLEVEL_CITYOFCOGS)
+	if(is_reebe(z))
 		resistance_flags |= INDESTRUCTIBLE
 
 /obj/structure/lattice/clockwork/ratvar_act()
@@ -120,7 +120,7 @@
 	if(!mapload)
 		new /obj/effect/temp_visual/ratvar/floor/catwalk(loc)
 		new /obj/effect/temp_visual/ratvar/beam/catwalk(loc)
-	if(z == ZLEVEL_CITYOFCOGS)
+	if(is_reebe(z))
 		resistance_flags |= INDESTRUCTIBLE
 
 /obj/structure/lattice/catwalk/clockwork/ratvar_act()

code/game/turfs/simulated/floor/plating/asteroid.dm

@@ -59,7 +59,7 @@
 
 
 /turf/open/floor/plating/asteroid/singularity_act()
-	if(turf_z_is_planet(src))
+	if(is_planet_level(z))
 		return ..()
 	ChangeTurf(/turf/open/space)
 

code/game/turfs/simulated/river.dm

@@ -4,7 +4,7 @@
 #define RANDOM_LOWER_X 50
 #define RANDOM_LOWER_Y 50
 
-/proc/spawn_rivers(target_z = 5, nodes = 4, turf_type = /turf/open/lava/smooth/lava_land_surface, whitelist_area = /area/lavaland/surface/outdoors, min_x = RANDOM_LOWER_X, min_y = RANDOM_LOWER_Y, max_x = RANDOM_UPPER_X, max_y = RANDOM_UPPER_Y)
+/proc/spawn_rivers(target_z = ZLEVEL_LAVALAND, nodes = 4, turf_type = /turf/open/lava/smooth/lava_land_surface, whitelist_area = /area/lavaland/surface/outdoors, min_x = RANDOM_LOWER_X, min_y = RANDOM_LOWER_Y, max_x = RANDOM_UPPER_X, max_y = RANDOM_UPPER_Y)
 	var/list/river_nodes = list()
 	var/num_spawned = 0
 	while(num_spawned < nodes)