Defines (#19835)

code/ZAS/Plasma.dm

@@ -52,7 +52,7 @@ var/image/contamination_overlay = image('icons/effects/contamination.dmi')
 	if(stat >= 2)
 		return
 
-	if(species.breath_type != "toxins")
+	if(species.breath_type != GAS_PLASMA)
 
 		//Burn skin if exposed.
 		if(zas_settings.Get(/datum/ZAS_Setting/SKIN_BURNS))

code/controllers/subsystem/plant.dm

@@ -37,8 +37,8 @@ var/datum/subsystem/plant/SSplant
 
 	if(survive_on_station)
 		if(seed.consume_gasses)
-			seed.consume_gasses["plasma"] = null //PHORON DOES NOT EXIST
-			seed.consume_gasses["carbon_dioxide"] = null
+			seed.consume_gasses[GAS_PLASMA] = null //PHORON DOES NOT EXIST
+			seed.consume_gasses[GAS_CARBON] = null
 		if(seed.chems)
 			seed.chems.Remove(PHENOL) // Eating through the hull will make these plants completely inviable, albeit very dangerous.
 		seed.ideal_heat = initial(seed.ideal_heat)

code/datums/gamemode/role/vampire_role.dm

@@ -142,7 +142,7 @@
 	if(ishuman(M))
 		var/mob/living/carbon/human/vamp_H = M
 		if(H.check_body_part_coverage(MOUTH))
-			if(vamp_H.species.breath_type == "oxygen")
+			if(vamp_H.species.breath_type == GAS_OXYGEN)
 				to_chat(H, "<span class='warning'>Remove your mask!</span>")
 				return FALSE
 			else

code/game/gamemodes/vampire/vampire_powers.dm

@@ -439,7 +439,7 @@
 	if(ishuman(src))
 		var/mob/living/carbon/human/M = src
 		if(M.check_body_part_coverage(MOUTH))
-			if(M.species.breath_type == "oxygen")
+			if(M.species.breath_type == GAS_OXYGEN)
 				to_chat(src, "<span class='warning'>Remove your mask!</span>")
 				return 0
 			else

code/game/machinery/cryo.dm

@@ -479,7 +479,7 @@ var/global/list/cryo_health_indicator = list(	"full" = image("icon" = 'icons/obj
 			occupant.sleeping = max(5, (1/occupant.bodytemperature)*2000)
 			occupant.Paralyse(max(5, (1/occupant.bodytemperature)*3000))
 			var/mob/living/carbon/human/guy = occupant //Gotta cast to read this guy's species
-			if(istype(guy) && guy.species && guy.species.breath_type != "oxygen")
+			if(istype(guy) && guy.species && guy.species.breath_type != GAS_OXYGEN)
 				occupant.nobreath = 15 //Prevent them from suffocating until someone can get them internals. Also prevents plasmamen from combusting.
 			if(air_contents[GAS_OXYGEN] > 2)
 				if(occupant.getOxyLoss())

code/game/objects/items/candle.dm

@@ -41,7 +41,7 @@
 	wax--
 	var/turf/T = get_turf(src)
 	var/datum/gas_mixture/env = T.return_air()
-	if(env.molar_density("oxygen") < (5 / CELL_VOLUME))
+	if(env.molar_density(GAS_OXYGEN) < (5 / CELL_VOLUME))
 		src.lit = 0
 		set_light(0)
 		processing_objects.Remove(src)

code/game/objects/items/weapons/cigs_lighters.dm

@@ -94,7 +94,7 @@ MATCHBOXES ARE ALSO IN FANCY.DM
 		lit = -1
 		update_brightness()
 		return
-	if(env.molar_density("oxygen") < (5 / CELL_VOLUME))
+	if(env.molar_density(GAS_OXYGEN) < (5 / CELL_VOLUME))
 		lit = -1
 		update_brightness()
 		if(M)
@@ -701,7 +701,7 @@ MATCHBOXES ARE ALSO IN FANCY.DM
 	var/turf/T = get_turf(src)
 	var/datum/gas_mixture/env = T.return_air()
 	user.delayNextAttack(5) //Hold on there cowboy
-	if(!fuel | env.molar_density("oxygen") < (5 / CELL_VOLUME))
+	if(!fuel | env.molar_density(GAS_OXYGEN) < (5 / CELL_VOLUME))
 		user.visible_message("<span class='rose'>[user] attempts to light \the [src] to no avail.</span>", \
 		"<span class='notice'>You try to light \the [src], but no flame appears.</span>")
 		return
@@ -758,7 +758,7 @@ MATCHBOXES ARE ALSO IN FANCY.DM
 			visible_message("<span class='warning'>Without warning, \the [src] suddenly shuts off.</span>")
 			fueltime = null
 	var/datum/gas_mixture/env = location.return_air()
-	if(env.molar_density("oxygen") < (5 / CELL_VOLUME))
+	if(env.molar_density(GAS_OXYGEN) < (5 / CELL_VOLUME))
 		lit = 0
 		update_brightness()
 		visible_message("<span class='warning'>Without warning, the flame on \the [src] suddenly goes out in a weak fashion.</span>")
@@ -781,7 +781,7 @@ MATCHBOXES ARE ALSO IN FANCY.DM
 	var/turf/T = get_turf(src)
 	var/datum/gas_mixture/env = T.return_air()
 	user.delayNextAttack(5) //Hold on there cowboy
-	if(!fuel | env.molar_density("oxygen") < (5 / CELL_VOLUME))
+	if(!fuel | env.molar_density(GAS_OXYGEN) < (5 / CELL_VOLUME))
 		user.visible_message("<span class='rose'>[user] attempts to light \the [src] to no avail.</span>", \
 		"<span class='notice'>You try to light \the [src], but no flame appears.</span>")
 		return

code/game/objects/structures/transit_tubes.dm

@@ -78,8 +78,8 @@ obj/structure/transit_tube_pod/ex_act(severity)
 /obj/structure/transit_tube_pod/New()
 	. = ..()
 	air_contents.adjust_multi_temp(
-		"oxygen", MOLES_O2STANDARD, T20C,
-		"nitrogen", MOLES_N2STANDARD, T20C)
+		GAS_OXYGEN, MOLES_O2STANDARD, T20C,
+		GAS_NITROGEN, MOLES_N2STANDARD, T20C)
 
 	// Give auto tubes time to align before trying to start moving
 	spawn (5)

code/modules/components/ai/atmos.dm

@@ -46,41 +46,41 @@
 				SendSignal(COMSIG_ADJUST_BODYTEMP, list("temp"=((Environment.temperature - controller.getBodyTemperature()) / 5)))
 
 			if(min_oxy)
-				if(Environment.molar_density("oxygen") < min_oxy)
+				if(Environment.molar_density(GAS_OXYGEN) < min_oxy)
 					atmos_suitable = 0
 					oxygen_alert = 1
 				else
 					oxygen_alert = 0
 
 			if(max_oxy)
-				if(Environment.molar_density("oxygen") > max_oxy)
+				if(Environment.molar_density(GAS_OXYGEN) > max_oxy)
 					atmos_suitable = 0
 
 			if(min_tox)
-				if(Environment.molar_density("toxins") < min_tox)
+				if(Environment.molar_density(GAS_PLASMA) < min_tox)
 					atmos_suitable = 0
 
 			if(max_tox)
-				if(Environment.molar_density("toxins") > max_tox)
+				if(Environment.molar_density(GAS_PLASMA) > max_tox)
 					atmos_suitable = 0
 					toxins_alert = 1
 				else
 					toxins_alert = 0
 
 			if(min_n2)
-				if(Environment.molar_density("nitrogen") < min_n2)
+				if(Environment.molar_density(GAS_NITROGEN) < min_n2)
 					atmos_suitable = 0
 
 			if(max_n2)
-				if(Environment.molar_density("nitrogen") > max_n2)
+				if(Environment.molar_density(GAS_NITROGEN) > max_n2)
 					atmos_suitable = 0
 
 			if(min_co2)
-				if(Environment.molar_density("carbon_dioxide") < min_co2)
+				if(Environment.molar_density(GAS_CARBON) < min_co2)
 					atmos_suitable = 0
 
 			if(max_co2)
-				if(Environment.molar_density("carbon_dioxide") > max_co2)
+				if(Environment.molar_density(GAS_CARBON) > max_co2)
 					atmos_suitable = 0
 
 	//Atmos effect

code/modules/hydroponics/hydroponics_mutations.dm

@@ -293,12 +293,12 @@
 			generic_mutation_message("shakes!")
 
 		if("breathe_aliengas") //This is honestly awful and pretty unfun. It just guarantees that the user will have to apply a new enviro gene. But for now I'm leaving it in
-			var/gas = pick("oxygen","nitrogen","plasma","carbon_dioxide")
+			var/gas = pick(GAS_OXYGEN, GAS_NITROGEN, GAS_PLASMA, GAS_CARBON)
 			seed.consume_gasses[gas] = rand(3,9)
 			generic_mutation_message("shakes!")
 
 		if("exude_dangerousgas")
-			var/gas = pick("nitrogen","plasma","carbon_dioxide")
+			var/gas = pick(GAS_NITROGEN, GAS_PLASMA, GAS_CARBON)
 			seed.exude_gasses[gas] = rand(3,9)
 			generic_mutation_message("shakes!")
 

code/modules/hydroponics/seed_datums.dm

@@ -89,12 +89,12 @@ var/global/list/gene_tag_masks = list()   // Gene obfuscation for delicious tria
 
 	if(prob(5))
 		consume_gasses = list()
-		var/gas = pick("oxygen","nitrogen","plasma","carbon_dioxide")
+		var/gas = pick(GAS_OXYGEN, GAS_NITROGEN, GAS_PLASMA, GAS_CARBON)
 		consume_gasses[gas] = rand(3,9)
 
 	if(prob(5))
 		exude_gasses = list()
-		var/gas = pick("oxygen","nitrogen","plasma","carbon_dioxide")
+		var/gas = pick(GAS_OXYGEN, GAS_NITROGEN, GAS_PLASMA, GAS_CARBON)
 		exude_gasses[gas] = rand(3,9)
 
 	chems = list()

code/modules/hydroponics/seeds.dm

@@ -1681,7 +1681,7 @@
 	plant_dmi = 'icons/obj/hydroponics2.dmi'
 	plant_icon = "chickenshroom"
 	chems = list(NUTRIMENT = list(2,10))
-	consume_gasses = list("nitrogen"=20) //Really likes its nitrogen. Planting on main station may mess with room air mix.
+	consume_gasses = list(GAS_NITROGEN = 20) //Really likes its nitrogen. Planting on main station may mess with room air mix.
 
 	lifespan = 30
 	growth_stages = 3

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

@@ -1674,7 +1674,7 @@ mob/living/carbon/human/isincrit()
 		species.punch_damage = rand(1,5)
 	species.max_hurt_damage = rand(1,10)
 	if(prob(10))
-		species.breath_type = pick("oxygen","toxins","nitrogen","carbon_dioxide")
+		species.breath_type = pick(GAS_OXYGEN, GAS_PLASMA, GAS_NITROGEN, GAS_CARBON)
 
 	species.heat_level_3 = rand(800, 1200)
 	species.heat_level_2 = round(species.heat_level_3 / 2.5)

code/modules/mob/living/carbon/human/plasmaman/species.dm

@@ -11,7 +11,7 @@
 	//default_mutations=list(M_SKELETON) // This screws things up
 	primitive = /mob/living/carbon/monkey/skellington/plasma
 
-	breath_type = "toxins"
+	breath_type = GAS_PLASMA
 
 	heat_level_1 = 350  // Heat damage level 1 above this point.
 	heat_level_2 = 400  // Heat damage level 2 above this point.
@@ -130,4 +130,4 @@
 		H.internals.icon_state = "internal1"
 
 /datum/species/plasmaman/can_artifact_revive()
-	return 0
+	return 0

code/modules/mob/living/carbon/slime/slime.dm

@@ -1162,7 +1162,7 @@ mob/living/carbon/slime/var/temperature_resistance = T0C+75
 /obj/item/weapon/reagent_containers/food/snacks/egg/slime/process()
 	var/turf/location = get_turf(src)
 	var/datum/gas_mixture/environment = location.return_air()
-	if (environment.molar_density("toxins") > MOLES_PLASMA_VISIBLE / CELL_VOLUME)//plasma exposure causes the egg to hatch
+	if (environment.molar_density(GAS_PLASMA) > MOLES_PLASMA_VISIBLE / CELL_VOLUME)//plasma exposure causes the egg to hatch
 		src.Hatch()
 
 /obj/item/weapon/reagent_containers/food/snacks/egg/slime/attackby(obj/item/weapon/W as obj, mob/user as mob)

code/modules/mob/living/carbon/species.dm

@@ -50,7 +50,7 @@ var/global/list/whitelisted_species = list("Human")
 	var/mutantrace											// Safeguard due to old code.
 	var/myhuman												// mob reference
 
-	var/breath_type = "oxygen"   // Non-oxygen gas breathed, if any.
+	var/breath_type = GAS_OXYGEN   // Non-oxygen gas breathed, if any.
 	var/survival_gear = /obj/item/weapon/storage/box/survival // For spawnin'.
 
 	var/cold_level_1 = 220  // Cold damage level 1 below this point.
@@ -623,7 +623,7 @@ var/global/list/whitelisted_species = list("Human")
 	cold_level_3 = 0
 
 	eyes = "vox_eyes_s"
-	breath_type = "nitrogen"
+	breath_type = GAS_NITROGEN
 
 	default_mutations = list(M_BEAK, M_TALONS)
 	flags = IS_WHITELISTED | NO_SCAN

code/modules/mob/living/living_defense.dm

@@ -303,7 +303,7 @@
 	if(istype(T))
 		var/datum/gas_mixture/G = loc.return_air() // Check if we're standing in an oxygenless environment
 		if(G)
-			oxy = G.molar_density("oxygen")
+			oxy = G.molar_density(GAS_OXYGEN)
 	if(oxy < (1 / CELL_VOLUME) || fire_stacks <= 0)
 		ExtinguishMob() //If there's no oxygen in the tile we're on, put out the fire
 		return 1

code/modules/mob/living/simple_animal/borer/egg.dm

@@ -17,8 +17,8 @@
 	var/ping_cooldown = 50
 
 	var/list/required_mols=list(
-		"toxins" = MOLES_PLASMA_VISIBLE / CELL_VOLUME,
-		"oxygen" = 5 / CELL_VOLUME
+		GAS_PLASMA = MOLES_PLASMA_VISIBLE / CELL_VOLUME,
+		GAS_OXYGEN = 5 / CELL_VOLUME
 	)
 
 /obj/item/weapon/reagent_containers/food/snacks/borer_egg/New()

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

@@ -241,41 +241,41 @@ var/global/list/animal_count = list() //Stores types, and amount of animals of t
 				bodytemperature += ((Environment.temperature - bodytemperature) / 5)
 
 			if(min_oxy)
-				if(Environment.molar_density("oxygen") < min_oxy / CELL_VOLUME)
+				if(Environment.molar_density(GAS_OXYGEN) < min_oxy / CELL_VOLUME)
 					atmos_suitable = 0
 					oxygen_alert = 1
 				else
 					oxygen_alert = 0
 
 			if(max_oxy)
-				if(Environment.molar_density("oxygen") > max_oxy / CELL_VOLUME)
+				if(Environment.molar_density(GAS_OXYGEN) > max_oxy / CELL_VOLUME)
 					atmos_suitable = 0
 
 			if(min_tox)
-				if(Environment.molar_density("toxins") < min_tox / CELL_VOLUME)
+				if(Environment.molar_density(GAS_PLASMA) < min_tox / CELL_VOLUME)
 					atmos_suitable = 0
 
 			if(max_tox)
-				if(Environment.molar_density("toxins") > max_tox / CELL_VOLUME)
+				if(Environment.molar_density(GAS_PLASMA) > max_tox / CELL_VOLUME)
 					atmos_suitable = 0
 					toxins_alert = 1
 				else
 					toxins_alert = 0
 
 			if(min_n2)
-				if(Environment.molar_density("nitrogen") < min_n2 / CELL_VOLUME)
+				if(Environment.molar_density(GAS_NITROGEN) < min_n2 / CELL_VOLUME)
 					atmos_suitable = 0
 
 			if(max_n2)
-				if(Environment.molar_density("nitrogen") > max_n2 / CELL_VOLUME)
+				if(Environment.molar_density(GAS_NITROGEN) > max_n2 / CELL_VOLUME)
 					atmos_suitable = 0
 
 			if(min_co2)
-				if(Environment.molar_density("carbon_dioxide") < min_co2 / CELL_VOLUME)
+				if(Environment.molar_density(GAS_CARBON) < min_co2 / CELL_VOLUME)
 					atmos_suitable = 0
 
 			if(max_co2)
-				if(Environment.molar_density("carbon_dioxide") > max_co2 / CELL_VOLUME)
+				if(Environment.molar_density(GAS_CARBON) > max_co2 / CELL_VOLUME)
 					atmos_suitable = 0
 
 	//Atmos effect

code/modules/organs/internal/lungs/filter.dm

@@ -8,19 +8,19 @@
 
 	gasses = list()
 	var/list/intake_settings=list(
-		"oxygen" = list(
+		GAS_OXYGEN = list(
 			new /datum/lung_gas/metabolizable(GAS_OXYGEN,            min_pp=16, max_pp=280),
 			new /datum/lung_gas/waste(GAS_CARBON,            max_pp=10),
 			new /datum/lung_gas/toxic(GAS_PLASMA,                    max_pp=5, max_pp_mask=0, reagent_id="plasma", reagent_mult=0.1),
 			new /datum/lung_gas/sleep_agent(GAS_SLEEPING, min_giggle_pp=1, min_para_pp=5, min_sleep_pp=10),
 		),
-		"nitrogen" = list(
+		GAS_NITROGEN = list(
 			new /datum/lung_gas/metabolizable(GAS_NITROGEN,          min_pp=16, max_pp=280),
 			new /datum/lung_gas/waste(GAS_CARBON,            	max_pp=10), // I guess? Ideally it'd be some sort of nitrogen compound.  Maybe N2O?
-			new /datum/lung_gas/toxic(GAS_OXYGEN,                    max_pp=0.5, max_pp_mask=0, reagent_id="oxygen", reagent_mult=0.1),
+			new /datum/lung_gas/toxic(GAS_OXYGEN,                    max_pp=0.5, max_pp_mask=0, reagent_id=GAS_OXYGEN, reagent_mult=0.1),
 			new /datum/lung_gas/sleep_agent(GAS_SLEEPING, min_giggle_pp=1, min_para_pp=5, min_sleep_pp=10),
 		),
-		"plasma" = list(
+		GAS_PLASMA = list(
 			new /datum/lung_gas/metabolizable(GAS_PLASMA, min_pp=16, max_pp=280),
 			new /datum/lung_gas/waste(GAS_OXYGEN,         max_pp=10),
 			new /datum/lung_gas/sleep_agent(GAS_SLEEPING, min_giggle_pp=1, min_para_pp=5, min_sleep_pp=10),

code/modules/research/xenoarchaeology/artifact/effects/unknown_effect_gasco2.dm

@@ -14,10 +14,10 @@
 	if(holder)
 		var/datum/gas_mixture/env = holder.loc.return_air()
 		if(env)
-			env.adjust_gas("carbon_dioxide", rand(2,15))
+			env.adjust_gas(GAS_CARBON, rand(2,15))
 
 /datum/artifact_effect/gasco2/DoEffectAura()
 	if(holder)
 		var/datum/gas_mixture/env = holder.loc.return_air()
 		if(env && env.pressure < max_pressure)
-			env.adjust_gas("carbon_dioxide", pick(0, 0, 0.1, rand()))
+			env.adjust_gas(GAS_CARBON, pick(0, 0, 0.1, rand()))

code/modules/research/xenoarchaeology/artifact/effects/unknown_effect_gasnitro.dm

@@ -15,10 +15,10 @@
 	if(holder)
 		var/datum/gas_mixture/env = holder.loc.return_air()
 		if(env)
-			env.adjust_gas("nitrogen", rand(2,15))
+			env.adjust_gas(GAS_NITROGEN, rand(2,15))
 
 /datum/artifact_effect/gasnitro/DoEffectAura()
 	if(holder)
 		var/datum/gas_mixture/env = holder.loc.return_air()
 		if(env && env.pressure < max_pressure)
-			env.adjust_gas("nitrogen", pick(0, 0, 0.1, rand()))
+			env.adjust_gas(GAS_NITROGEN, pick(0, 0, 0.1, rand()))

code/modules/research/xenoarchaeology/artifact/effects/unknown_effect_gasoxy.dm

@@ -15,10 +15,10 @@
 	if(holder)
 		var/datum/gas_mixture/env = holder.loc.return_air()
 		if(env)
-			env.adjust_gas("oxygen", rand(2,15))
+			env.adjust_gas(GAS_OXYGEN, rand(2,15))
 
 /datum/artifact_effect/gasoxy/DoEffectAura()
 	if(holder)
 		var/datum/gas_mixture/env = holder.loc.return_air()
 		if(env && env.pressure < max_pressure)
-			env.adjust_gas("oxygen", pick(0, 0, 0.1, rand()))
+			env.adjust_gas(GAS_OXYGEN, pick(0, 0, 0.1, rand()))

code/modules/research/xenoarchaeology/artifact/effects/unknown_effect_gasplasma.dm

@@ -15,10 +15,10 @@
 	if(holder)
 		var/datum/gas_mixture/env = holder.loc.return_air()
 		if(env)
-			env.adjust_gas("plasma", rand(2,15))
+			env.adjust_gas(GAS_PLASMA, rand(2,15))
 
 /datum/artifact_effect/gasplasma/DoEffectAura()
 	if(holder)
 		var/datum/gas_mixture/env = holder.loc.return_air()
 		if(env && env.pressure < max_pressure)
-			env.adjust_gas("plasma", pick(0, 0, 0.1, rand()))
+			env.adjust_gas(GAS_PLASMA, pick(0, 0, 0.1, rand()))

code/modules/research/xenoarchaeology/artifact/triggers/unknown_trigger_gas.dm

@@ -7,7 +7,7 @@
 
 /datum/artifact_trigger/gas/New()
 	..()
-	trigger_gas = pick("TOXINS", "CARBON_DIOXIDE", "NITROGEN", "OXYGEN")
+	trigger_gas = pick("PLASMA", "CARBON_DIOXIDE", "NITROGEN", "OXYGEN") //TODO: See if these can be replaced with the defines without fucking up
 
 
 /datum/artifact_trigger/gas/CheckTrigger()

code/modules/research/xenoarchaeology/tools/bunsen_burner.dm

@@ -103,7 +103,7 @@
 	if(heating == BUNSEN_ON)
 		var/turf/T = get_turf(src)
 		var/datum/gas_mixture/G = T.return_air()
-		if(!G || G.molar_density("oxygen") < 0.1 / CELL_VOLUME)
+		if(!G || G.molar_density(GAS_OXYGEN) < 0.1 / CELL_VOLUME)
 			visible_message("<span class = 'warning'>\The [src] splutters out from lack of oxygen.</span>","<span class = 'warning'>You hear something cough.</span>")
 			toggle()
 			return