Replaces all var/const with #define

code/modules/reagents/chem_splash.dm

@@ -69,7 +69,7 @@
 			var/atom/A = thing
 			var/distance = max(1,get_dist(A, epicenter))
 			var/fraction = 0.5/(2 ** distance) //50/25/12/6... for a 200u splash, 25/12/6/3... for a 100u, 12/6/3/1 for a 50u
-			splash_holder.reaction(A, TOUCH, fraction)
+			splash_holder.reaction(A, REAGENT_TOUCH, fraction)
 
 	qdel(splash_holder)
 	return 1

code/modules/reagents/chemistry/holder.dm

@@ -1,5 +1,3 @@
-var/const/TOUCH = 1
-var/const/INGEST = 2
 #define ADDICTION_TIME 4800 //8 minutes
 
 ///////////////////////////////////////////////////////////////////////////////////
@@ -558,7 +556,7 @@ var/const/INGEST = 2
 			can_process = 1
 	return can_process
 
-/datum/reagents/proc/reaction(atom/A, method = TOUCH, volume_modifier = 1)
+/datum/reagents/proc/reaction(atom/A, method = REAGENT_TOUCH, volume_modifier = 1)
 	var/react_type
 	if(isliving(A))
 		react_type = "LIVING"
@@ -571,7 +569,7 @@ var/const/INGEST = 2
 
 	if(react_type == "LIVING" && ishuman(A))
 		var/mob/living/carbon/human/H = A
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			var/obj/item/organ/external/head/affecting = H.get_organ("head")
 			if(affecting)
 				if(chem_temp > H.dna.species.heat_level_1)
@@ -587,7 +585,7 @@ var/const/INGEST = 2
 						H.emote("scream")
 						H.adjust_bodytemperature(- min(max(T0C - chem_temp - 20, 5), 500))
 
-		if(method == INGEST)
+		if(method == REAGENT_INGEST)
 			if(chem_temp > H.dna.species.heat_level_1)
 				to_chat(H, "<span class='danger'>You scald yourself trying to consume the boiling hot substance!</span>")
 				H.adjustFireLoss(7)

code/modules/reagents/chemistry/reagents.dm

@@ -40,16 +40,16 @@
 /datum/reagent/proc/reaction_temperature(exposed_temperature, exposed_volume) //By default we do nothing.
 	return
 
-/datum/reagent/proc/reaction_mob(mob/living/M, method = TOUCH, volume) //Some reagents transfer on touch, others don't; dependent on if they penetrate the skin or not.
+/datum/reagent/proc/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume) //Some reagents transfer on touch, others don't; dependent on if they penetrate the skin or not.
 	if(holder)  //for catching rare runtimes
-		if(method == TOUCH && penetrates_skin)
+		if(method == REAGENT_TOUCH && penetrates_skin)
 			var/block  = M.get_permeability_protection()
 			var/amount = round(volume * (1 - block), 0.1)
 			if(M.reagents)
 				if(amount >= 1)
 					M.reagents.add_reagent(id, amount)
 
-		if(method == INGEST) //Yes, even Xenos can get addicted to drugs.
+		if(method == REAGENT_INGEST) //Yes, even Xenos can get addicted to drugs.
 			var/can_become_addicted = M.reagents.reaction_check(M, src)
 
 			if(can_become_addicted)

code/modules/reagents/chemistry/reagents/alcohol.dm

@@ -31,8 +31,8 @@
 		else
 			to_chat(usr, "It wasn't enough...")
 
-/datum/reagent/consumable/ethanol/reaction_mob(mob/living/M, method=TOUCH, volume)//Splashing people with ethanol isn't quite as good as fuel.
-	if(method == TOUCH)
+/datum/reagent/consumable/ethanol/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)//Splashing people with ethanol isn't quite as good as fuel.
+	if(method == REAGENT_TOUCH)
 		M.adjust_fire_stacks(volume / 15)
 
 
@@ -1140,8 +1140,8 @@
 	can_synth = FALSE
 	taste_description = "<span class='userdanger'>LIQUID FUCKING DEATH OH GOD WHAT THE FUCK</span>"
 
-/datum/reagent/consumable/ethanol/dragons_breath/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == INGEST && prob(20))
+/datum/reagent/consumable/ethanol/dragons_breath/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_INGEST && prob(20))
 		if(M.on_fire)
 			M.adjust_fire_stacks(6)
 
@@ -1197,10 +1197,10 @@
 			M.fakevomit()
 	return ..()
 
-/datum/reagent/consumable/ethanol/synthanol/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/consumable/ethanol/synthanol/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	if(M.isSynthetic())
 		return
-	if(method == INGEST)
+	if(method == REAGENT_INGEST)
 		to_chat(M, pick("<span class = 'danger'>That was awful!</span>", "<span class = 'danger'>Yuck!</span>"))
 
 /datum/reagent/consumable/ethanol/synthanol/robottears

code/modules/reagents/chemistry/reagents/blob.dm

@@ -7,7 +7,7 @@
 	var/message_living = null //extension to first mob sent to only living mobs i.e. silicons have no skin to be burnt
 	can_synth = FALSE
 
-/datum/reagent/blob/reaction_mob(mob/living/M, method=TOUCH, volume, show_message, touch_protection)
+/datum/reagent/blob/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume, show_message, touch_protection)
 	return round(volume * min(1.5 - touch_protection, 1), 0.1) //full touch protection means 50% volume, any prot below 0.5 means 100% volume.
 
 /datum/reagent/blob/proc/damage_reaction(obj/structure/blob/B, damage, damage_type, damage_flag) //when the blob takes damage, do this
@@ -21,8 +21,8 @@
 	complementary_color = "#a15656"
 	message_living = ", and you feel your skin ripping and tearing off"
 
-/datum/reagent/blob/ripping_tendrils/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/blob/ripping_tendrils/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		volume = ..()
 		M.apply_damage(0.6*volume, BRUTE)
 		M.adjustStaminaLoss(volume)
@@ -38,8 +38,8 @@
 	message = "The blob splashes you with burning oil"
 	message_living = ", and you feel your skin char and melt"
 
-/datum/reagent/blob/boiling_oil/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/blob/boiling_oil/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		M.adjust_fire_stacks(round(volume/10))
 		volume = ..()
 		M.apply_damage(0.6*volume, BURN)
@@ -54,8 +54,8 @@
 	complementary_color = "#b0cd73"
 	message_living = ", and you feel sick and nauseated"
 
-/datum/reagent/blob/envenomed_filaments/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/blob/envenomed_filaments/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		volume = ..()
 		M.apply_damage(0.6*volume, TOX)
 		M.hallucination += 0.6*volume
@@ -70,8 +70,8 @@
 	complementary_color = "#56ebc9"
 	message_living = ", and your lungs feel heavy and weak"
 
-/datum/reagent/blob/lexorin_jelly/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/blob/lexorin_jelly/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		volume = ..()
 		M.apply_damage(0.4*volume, BRUTE)
 		M.apply_damage(1*volume, OXY)
@@ -86,8 +86,8 @@
 	complementary_color = "#ebb756"
 	message = "The blob pummels you"
 
-/datum/reagent/blob/kinetic/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/blob/kinetic/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		volume = ..()
 		var/damage = rand(5, 35)/25
 		M.apply_damage(damage*volume, BRUTE)
@@ -101,8 +101,8 @@
 	message = "The blob splashes you with an icy liquid"
 	message_living = ", and you feel cold and tired"
 
-/datum/reagent/blob/cryogenic_liquid/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/blob/cryogenic_liquid/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		volume = ..()
 		M.apply_damage(0.4*volume, BURN)
 		M.adjustStaminaLoss(volume)
@@ -117,8 +117,8 @@
 	complementary_color = "#a2a256"
 	message = "The blob slams into you, and sends you flying"
 
-/datum/reagent/blob/b_sorium/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/blob/b_sorium/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		reagent_vortex(M, 1, volume)
 		volume = ..()
 		M.apply_damage(0.6*volume, BRUTE)

code/modules/reagents/chemistry/reagents/drinks.dm

@@ -106,8 +106,8 @@
 	drink_desc = "As colorful and healthy as it is delicious."
 	taste_description = "citrus juice"
 
-/datum/reagent/consumable/drink/triple_citrus/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == INGEST)
+/datum/reagent/consumable/drink/triple_citrus/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_INGEST)
 		M.adjustToxLoss(-rand(1,2))
 
 /datum/reagent/consumable/drink/berryjuice

code/modules/reagents/chemistry/reagents/drugs.dm

@@ -397,8 +397,8 @@
 		to_chat(M, "<span class='userdanger'>THEY'RE GONNA GET YOU!</span>")
 	return ..() | update_flags
 
-/datum/reagent/bath_salts/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == INGEST)
+/datum/reagent/bath_salts/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_INGEST)
 		to_chat(M, "<span class = 'danger'><font face='[pick("Curlz MT", "Comic Sans MS")]' size='[rand(4,6)]'>You feel FUCKED UP!!!!!!</font></span>")
 		M << 'sound/effects/singlebeat.ogg'
 		M.emote("faint")
@@ -556,8 +556,8 @@
 	update_flags |= M.SetSleeping(0, FALSE)
 	return ..() | update_flags
 
-/datum/reagent/fliptonium/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == INGEST || method == TOUCH)
+/datum/reagent/fliptonium/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_INGEST || method == REAGENT_TOUCH)
 		M.SpinAnimation(speed = 12, loops = -1)
 	..()
 

code/modules/reagents/chemistry/reagents/food.dm

@@ -187,8 +187,8 @@
 		M.visible_message("<span class='warning'>[M] [pick("dry heaves!","coughs!","splutters!")]</span>")
 	return ..()
 
-/datum/reagent/consumable/condensedcapsaicin/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/consumable/condensedcapsaicin/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		if(ishuman(M))
 			var/mob/living/carbon/human/victim = M
 			var/mouth_covered = 0
@@ -548,8 +548,8 @@
 	color = "#c0c9a0"
 	taste_description = "pungency"
 
-/datum/reagent/consumable/onion/reaction_mob(mob/living/M, method = TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/consumable/onion/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		if(!M.is_mouth_covered() && !M.is_eyes_covered())
 			if(!M.get_organ_slot("eyes"))	//can't blind somebody with no eyes
 				to_chat(M, "<span class = 'notice'>Your eye sockets feel wet.</span>")
@@ -806,8 +806,8 @@
 	color = "#AC7E67"
 	taste_description = "pepperoni"
 
-/datum/reagent/consumable/pepperoni/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/consumable/pepperoni/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		if(ishuman(M))
 			var/mob/living/carbon/human/H = M
 
@@ -838,8 +838,8 @@
 	color = "#63DE63"
 	taste_description = "burned food"
 
-/datum/reagent/questionmark/reaction_mob(mob/living/carbon/human/H, method = TOUCH, volume)
-	if(istype(H) && method == INGEST)
+/datum/reagent/questionmark/reaction_mob(mob/living/carbon/human/H, method = REAGENT_TOUCH, volume)
+	if(istype(H) && method == REAGENT_INGEST)
 		if(H.dna.species.taste_sensitivity < TASTE_SENSITIVITY_NO_TASTE) // If you can taste it, then you know how awful it is.
 			H.Stun(2, FALSE)
 			H.Weaken(2, FALSE)
@@ -901,8 +901,8 @@
 	color = "#C87D28"
 	taste_description = "mold"
 
-/datum/reagent/fungus/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == INGEST)
+/datum/reagent/fungus/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_INGEST)
 		var/ranchance = rand(1,10)
 		if(ranchance == 1)
 			to_chat(M, "<span class='warning'>You feel very sick.</span>")
@@ -928,8 +928,8 @@
 		to_chat(M, "<span class='warning'>[spooky_message]</span>")
 	return ..()
 
-/datum/reagent/ectoplasm/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == INGEST)
+/datum/reagent/ectoplasm/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_INGEST)
 		var/spooky_eat = pick("Ugh, why did you eat that? Your mouth feels haunted. Haunted with bad flavors.", "Ugh, why did you eat that? It has the texture of ham aspic.  From the 1950s.  Left out in the sun.", "Ugh, why did you eat that? It tastes like a ghost fart.", "Ugh, why did you eat that? It tastes like flavor died.")
 		to_chat(M, "<span class='warning'>[spooky_eat]</span>")
 

code/modules/reagents/chemistry/reagents/medicine.dm

@@ -28,8 +28,8 @@
 	taste_description = "antiseptic"
 
 	//makes you squeaky clean
-/datum/reagent/medicine/sterilizine/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/medicine/sterilizine/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		M.germ_level -= min(volume*20, M.germ_level)
 
 /datum/reagent/medicine/sterilizine/reaction_obj(obj/O, volume)
@@ -184,13 +184,13 @@
 	update_flags |= M.adjustFireLoss(-2*REAGENTS_EFFECT_MULTIPLIER, FALSE)
 	return ..() | update_flags
 
-/datum/reagent/medicine/silver_sulfadiazine/reaction_mob(mob/living/M, method=TOUCH, volume, show_message = 1)
+/datum/reagent/medicine/silver_sulfadiazine/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume, show_message = 1)
 	if(iscarbon(M))
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			M.adjustFireLoss(-volume)
 			if(show_message)
 				to_chat(M, "<span class='notice'>The silver sulfadiazine soothes your burns.</span>")
-		if(method == INGEST)
+		if(method == REAGENT_INGEST)
 			M.adjustToxLoss(0.5*volume)
 			if(show_message)
 				to_chat(M, "<span class='warning'>You feel sick...</span>")
@@ -211,14 +211,14 @@
 	update_flags |= M.adjustBruteLoss(-2*REAGENTS_EFFECT_MULTIPLIER, FALSE)
 	return ..() | update_flags
 
-/datum/reagent/medicine/styptic_powder/reaction_mob(mob/living/M, method=TOUCH, volume, show_message = 1)
+/datum/reagent/medicine/styptic_powder/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume, show_message = 1)
 	if(iscarbon(M))
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			M.adjustBruteLoss(-volume)
 			if(show_message)
 				to_chat(M, "<span class='notice'>The styptic powder stings like hell as it closes some of your wounds!</span>")
 			M.emote("scream")
-		if(method == INGEST)
+		if(method == REAGENT_INGEST)
 			M.adjustToxLoss(0.5*volume)
 			if(show_message)
 				to_chat(M, "<span class='warning'>You feel gross!</span>")
@@ -254,9 +254,9 @@
 	color = "#FFEBEB"
 	taste_description = "blood"
 
-/datum/reagent/medicine/synthflesh/reaction_mob(mob/living/M, method=TOUCH, volume, show_message = 1)
+/datum/reagent/medicine/synthflesh/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume, show_message = 1)
 	if(iscarbon(M))
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			M.adjustBruteLoss(-1.5*volume)
 			M.adjustFireLoss(-1.5*volume)
 			if(show_message)
@@ -689,11 +689,11 @@
 		update_flags |= M.adjustToxLoss(2*REAGENTS_EFFECT_MULTIPLIER, FALSE)
 	return ..() | update_flags
 
-/datum/reagent/medicine/strange_reagent/reaction_mob(mob/living/M, method = TOUCH, volume)
+/datum/reagent/medicine/strange_reagent/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
 	if(volume < 1)
 		// gotta pay to play
 		return ..()
-	if(isanimal(M) && method == TOUCH)
+	if(isanimal(M) && method == REAGENT_TOUCH)
 		var/mob/living/simple_animal/SM = M
 		if(SM.sentience_type != revive_type) // No reviving Ash Drakes for you
 			return
@@ -703,7 +703,7 @@
 			SM.visible_message("<span class='warning'>[SM] seems to rise from the dead!</span>")
 
 	if(iscarbon(M))
-		if(method == INGEST || (method == TOUCH && prob(25)))
+		if(method == REAGENT_INGEST || (method == REAGENT_TOUCH && prob(25)))
 			if(M.stat == DEAD)
 				if(M.getBruteLoss() + M.getFireLoss() + M.getCloneLoss() >= 150)
 					M.delayed_gib()

code/modules/reagents/chemistry/reagents/misc.dm

@@ -117,7 +117,7 @@
 	color = "#D0D0D0" // rgb: 208, 208, 208
 	taste_description = "sub-par bling"
 
-/datum/reagent/silver/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/silver/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	if(M.has_bane(BANE_SILVER))
 		M.reagents.add_reagent("toxin", volume)
 	. = ..()
@@ -164,7 +164,7 @@
 				H.blood_volume += 0.8
 	return ..()
 
-/datum/reagent/iron/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/iron/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	if(M.has_bane(BANE_IRON) && holder && holder.chem_temp < 150) //If the target is weak to cold iron, then poison them.
 		M.reagents.add_reagent("toxin", volume)
 	..()
@@ -303,7 +303,7 @@
 			H.dna.species.blood_color = "#[num2hex(rand(0, 255))][num2hex(rand(0, 255))][num2hex(rand(0, 255))]"
 	return ..()
 
-/datum/reagent/colorful_reagent/reaction_mob(mob/living/simple_animal/M, method=TOUCH, volume)
+/datum/reagent/colorful_reagent/reaction_mob(mob/living/simple_animal/M, method=REAGENT_TOUCH, volume)
     if(isanimal(M))
         M.color = pick(random_color_list)
     ..()
@@ -430,7 +430,7 @@
 	M.can_change_intents = TRUE
 	..()
 
-/datum/reagent/love/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/love/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	to_chat(M, "<span class='notice'>You feel loved!</span>")
 
 /datum/reagent/jestosterone //Formerly known as Nitrogen tungstide hypochlorite before NT fired the chemists for trying to be funny
@@ -667,13 +667,13 @@
 	overdose_threshold = 11 //Slightly more than one un-nozzled spraybottle.
 	taste_description = "sour oranges"
 
-/datum/reagent/spraytan/reaction_mob(mob/living/M, method=TOUCH, reac_volume, show_message = 1)
+/datum/reagent/spraytan/reaction_mob(mob/living/M, method=REAGENT_TOUCH, reac_volume, show_message = 1)
 	if(ishuman(M))
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			var/mob/living/carbon/human/N = M
 			set_skin_color(N)
 
-		if(method == INGEST)
+		if(method == REAGENT_INGEST)
 			if(show_message)
 				to_chat(M, "<span class='notice'>That tasted horrible.</span>")
 	..()

code/modules/reagents/chemistry/reagents/pyrotechnic.dm

@@ -17,12 +17,12 @@
 	var/radius = min(max(0, volume / size_divisor), 8)
 	fireflash_sm(T, radius, rand(temp_fire - temp_deviance, temp_fire + temp_deviance), 500)
 
-/datum/reagent/phlogiston/reaction_mob(mob/living/M, method = TOUCH, volume)
+/datum/reagent/phlogiston/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
 	if(holder.chem_temp <= T0C - 50)
 		return
 	M.adjust_fire_stacks(mob_burning)
 	M.IgniteMob()
-	if(method == INGEST)
+	if(method == REAGENT_INGEST)
 		M.adjustFireLoss(min(max(10, volume * 2), 45))
 		to_chat(M, "<span class='warning'>It burns!</span>")
 		M.emote("scream")
@@ -66,8 +66,8 @@
 		T.create_reagents(volume)
 	T.reagents.add_reagent("napalm", volume)
 
-/datum/reagent/napalm/reaction_mob(mob/living/M, method = TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/napalm/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		if(M.on_fire)
 			M.adjust_fire_stacks(14)
 			M.emote("scream")
@@ -131,8 +131,8 @@
 		T.create_reagents(50)
 	T.reagents.add_reagent("fuel", volume)
 
-/datum/reagent/fuel/reaction_mob(mob/living/M, method=TOUCH, volume)//Splashing people with welding fuel to make them easy to ignite!
-	if(method == TOUCH)
+/datum/reagent/fuel/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)//Splashing people with welding fuel to make them easy to ignite!
+	if(method == REAGENT_TOUCH)
 		if(M.on_fire)
 			M.adjust_fire_stacks(6)
 
@@ -161,8 +161,8 @@
 		C.adjustPlasma(10)
 	return ..() | update_flags
 
-/datum/reagent/plasma/reaction_mob(mob/living/M, method = TOUCH, volume)//Splashing people with plasma is stronger than fuel!
-	if(method == TOUCH)
+/datum/reagent/plasma/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)//Splashing people with plasma is stronger than fuel!
+	if(method == REAGENT_TOUCH)
 		if(M.on_fire)
 			M.adjust_fire_stacks(6)
 
@@ -176,8 +176,8 @@
 	process_flags = ORGANIC | SYNTHETIC
 	taste_description = "rust"
 
-/datum/reagent/thermite/reaction_mob(mob/living/M, method= TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/thermite/reaction_mob(mob/living/M, method= REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		if(M.on_fire)
 			M.adjust_fire_stacks(20)
 
@@ -240,11 +240,11 @@
 	var/radius = min((volume - 3) * 0.15, 3)
 	fireflash_sm(T, radius, 4500 + volume * 500, 350)
 
-/datum/reagent/clf3/reaction_mob(mob/living/M, method = TOUCH, volume)
-	if(method == TOUCH || method == INGEST)
+/datum/reagent/clf3/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH || method == REAGENT_INGEST)
 		M.adjust_fire_stacks(10)
 		M.IgniteMob()
-	if(method == INGEST)
+	if(method == REAGENT_INGEST)
 		M.adjustFireLoss(min(max(15, volume * 2.5), 90))
 		to_chat(M, "<span class='warning'>It burns!</span>")
 		M.emote("scream")
@@ -346,8 +346,8 @@
 		holder.temperature_reagents(holder.chem_temp - 200)
 	..()
 
-/datum/reagent/cryostylane/reaction_mob(mob/living/M, method = TOUCH, volume)
-	if(method == TOUCH)
+/datum/reagent/cryostylane/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
+	if(method == REAGENT_TOUCH)
 		M.ExtinguishMob()
 
 /datum/reagent/cryostylane/reaction_turf(turf/simulated/T, volume)
@@ -390,9 +390,9 @@
 	var/cooling_temperature = 3 // more effective than water
 	taste_description = "the inside of a fire extinguisher"
 
-/datum/reagent/firefighting_foam/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/firefighting_foam/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 // Put out fire
-	if(method == TOUCH)
+	if(method == REAGENT_TOUCH)
 		M.adjust_fire_stacks(-10) // more effective than water
 
 /datum/reagent/firefighting_foam/reaction_obj(obj/O, volume)
@@ -433,8 +433,8 @@
 		C.adjustPlasma(20)
 	return ..() | update_flags
 
-/datum/reagent/plasma_dust/reaction_mob(mob/living/M, method=TOUCH, volume)//Splashing people with plasma dust is stronger than fuel!
-	if(method == TOUCH)
+/datum/reagent/plasma_dust/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)//Splashing people with plasma dust is stronger than fuel!
+	if(method == REAGENT_TOUCH)
 		M.adjust_fire_stacks(volume / 5)
 		return
 	..()

code/modules/reagents/chemistry/reagents/toxins.dm

@@ -85,8 +85,8 @@
 	can_synth = FALSE
 	taste_description = "slime"
 
-/datum/reagent/aslimetoxin/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method != TOUCH)
+/datum/reagent/aslimetoxin/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method != REAGENT_TOUCH)
 		M.ForceContractDisease(new /datum/disease/transformation/slime(0))
 
 
@@ -165,12 +165,12 @@
 	taste_mult = 0.9
 	taste_description = "slime"
 
-/datum/reagent/mutagen/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/mutagen/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	if(!..())
 		return
 	if(!M.dna)
 		return //No robots, AIs, aliens, Ians or other mobs should be affected by this.
-	if((method==TOUCH && prob(33)) || method==INGEST)
+	if((method==REAGENT_TOUCH && prob(33)) || method==REAGENT_INGEST)
 		randmutb(M)
 		domutcheck(M, null)
 		M.UpdateAppearance()
@@ -232,7 +232,7 @@
 	can_synth = FALSE
 	taste_description = "CAAAARL"
 
-/datum/reagent/romerol/reaction_mob(mob/living/carbon/human/H, method = TOUCH, volume)
+/datum/reagent/romerol/reaction_mob(mob/living/carbon/human/H, method = REAGENT_TOUCH, volume)
 	if(!istype(H))
 		return
 	// Silently add the zombie infection organ to be activated upon death
@@ -297,10 +297,10 @@
 	update_flags |= M.adjustFireLoss(1, FALSE)
 	return ..() | update_flags
 
-/datum/reagent/acid/reaction_mob(mob/living/M, method = TOUCH, volume)
+/datum/reagent/acid/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
 	if(ishuman(M) && !isgrey(M))
 		var/mob/living/carbon/human/H = M
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			if(volume > 25)
 				if(H.wear_mask)
 					to_chat(H, "<span class='danger'>Your [H.wear_mask] protects you from the acid!</span>")
@@ -350,10 +350,10 @@
 	update_flags |= M.adjustToxLoss(1*REAGENTS_EFFECT_MULTIPLIER, FALSE)
 	return ..() | update_flags
 
-/datum/reagent/acid/facid/reaction_mob(mob/living/M, method = TOUCH, volume)
+/datum/reagent/acid/facid/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			if(volume > 9)
 				if(!H.wear_mask && !H.head)
 					var/obj/item/organ/external/affecting = H.get_organ("head")
@@ -473,9 +473,9 @@
 	overdose_threshold = 40
 	taste_mult = 0
 
-/datum/reagent/histamine/reaction_mob(mob/living/M, method=TOUCH, volume) //dumping histamine on someone is VERY mean.
+/datum/reagent/histamine/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume) //dumping histamine on someone is VERY mean.
 	if(iscarbon(M))
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			M.reagents.add_reagent("histamine",10)
 		else
 			to_chat(M, "<span class='danger'>You feel a burning sensation in your throat...</span>")
@@ -1030,7 +1030,7 @@
 		var/obj/structure/spacevine/SV = O
 		SV.on_chem_effect(src)
 
-/datum/reagent/glyphosate/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/glyphosate/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	if(iscarbon(M))
 		var/mob/living/carbon/C = M
 		if(!C.wear_mask) // If not wearing a mask
@@ -1071,7 +1071,7 @@
 		O.visible_message("<span class='warning'>The ants die.</span>")
 		qdel(O)
 
-/datum/reagent/pestkiller/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/pestkiller/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	if(iscarbon(M))
 		var/mob/living/carbon/C = M
 		if(!C.wear_mask) // If not wearing a mask
@@ -1161,12 +1161,12 @@
 	color = "#00FD00"
 	taste_description = "slime"
 
-/datum/reagent/glowing_slurry/reaction_mob(mob/living/M, method=TOUCH, volume) //same as mutagen
+/datum/reagent/glowing_slurry/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume) //same as mutagen
 	if(!..())
 		return
 	if(!M.dna)
 		return //No robots, AIs, aliens, Ians or other mobs should be affected by this.
-	if((method==TOUCH && prob(50)) || method==INGEST)
+	if((method==REAGENT_TOUCH && prob(50)) || method==REAGENT_INGEST)
 		randmutb(M)
 		domutcheck(M, null)
 		M.UpdateAppearance()
@@ -1201,9 +1201,9 @@
 	update_flags |= M.adjustBruteLoss(2, FALSE)
 	return ..() | update_flags
 
-/datum/reagent/ants/reaction_mob(mob/living/M, method=TOUCH, volume) //NOT THE ANTS
+/datum/reagent/ants/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume) //NOT THE ANTS
 	if(iscarbon(M))
-		if(method == TOUCH || method==INGEST)
+		if(method == REAGENT_TOUCH || method==REAGENT_INGEST)
 			to_chat(M, "<span class='warning'>OH SHIT ANTS!!!!</span>")
 			M.emote("scream")
 			M.adjustBruteLoss(4)
@@ -1235,5 +1235,5 @@
 	color = "#5EFF3B" //RGB: 94, 255, 59
 	taste_description = "decay"
 
-/datum/reagent/gluttonytoxin/reaction_mob(mob/living/L, method=TOUCH, reac_volume)
+/datum/reagent/gluttonytoxin/reaction_mob(mob/living/L, method=REAGENT_TOUCH, reac_volume)
 	L.ForceContractDisease(new /datum/disease/transformation/morph())

code/modules/reagents/chemistry/reagents/water.dm

@@ -21,7 +21,7 @@
 	drink_desc = "The father of all refreshments."
 	var/water_temperature = 283.15 // As reagents don't have a temperature value, we'll just use 10 celsius.
 
-/datum/reagent/water/reaction_mob(mob/living/M, method = TOUCH, volume)
+/datum/reagent/water/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
 	M.water_act(volume, water_temperature, src, method)
 
 /datum/reagent/water/reaction_turf(turf/T, volume)
@@ -82,7 +82,7 @@
 		for(var/mob/living/simple_animal/slime/M in T)
 			M.adjustToxLoss(rand(5, 10))
 
-/datum/reagent/space_cleaner/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/space_cleaner/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	if(iscarbon(M))
 		var/mob/living/carbon/C = M
 		if(ishuman(M))
@@ -128,7 +128,7 @@
 	taste_description = "<span class='warning'>blood</span>"
 	taste_mult = 1.3
 
-/datum/reagent/blood/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/blood/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	if(data && data["viruses"])
 		for(var/thing in data["viruses"])
 			var/datum/disease/D = thing
@@ -136,12 +136,12 @@
 			if(D.spread_flags & SPECIAL || D.spread_flags & NON_CONTAGIOUS)
 				continue
 
-			if(method == TOUCH)
+			if(method == REAGENT_TOUCH)
 				M.ContractDisease(D)
 			else //ingest, patch or inject
 				M.ForceContractDisease(D)
 
-	if(method == INGEST && iscarbon(M))
+	if(method == REAGENT_INGEST && iscarbon(M))
 		var/mob/living/carbon/C = M
 		if(C.get_blood_id() == "blood")
 			if((!data || !(data["blood_type"] in get_safe_blood(C.dna.blood_type))))
@@ -210,8 +210,8 @@
 	color = "#C81040" // rgb: 200, 16, 64
 	taste_description = "antibodies"
 
-/datum/reagent/vaccine/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(islist(data) && (method == INGEST))
+/datum/reagent/vaccine/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(islist(data) && (method == REAGENT_INGEST))
 		for(var/thing in M.viruses)
 			var/datum/disease/D = thing
 			if(D.GetDiseaseID() in data)
@@ -230,8 +230,8 @@
 	color = "#757547"
 	taste_description = "puke"
 
-/datum/reagent/fishwater/reaction_mob(mob/living/M, method=TOUCH, volume)
-	if(method == INGEST)
+/datum/reagent/fishwater/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
+	if(method == REAGENT_INGEST)
 		to_chat(M, "Oh god, why did you drink that?")
 
 /datum/reagent/fishwater/on_mob_life(mob/living/M)
@@ -250,7 +250,7 @@
 	color = "#757547"
 	taste_description = "the inside of a toilet... or worse"
 
-/datum/reagent/fishwater/toiletwater/reaction_mob(mob/living/M, method=TOUCH, volume) //For shennanigans
+/datum/reagent/fishwater/toiletwater/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume) //For shennanigans
 	return
 
 /datum/reagent/holywater
@@ -334,11 +334,11 @@
 	return ..() | update_flags
 
 
-/datum/reagent/holywater/reaction_mob(mob/living/M, method=TOUCH, volume)
+/datum/reagent/holywater/reaction_mob(mob/living/M, method=REAGENT_TOUCH, volume)
 	// Vampires have their powers weakened by holy water applied to the skin.
 	if(ishuman(M) && M.mind && M.mind.vampire && !M.mind.vampire.get_ability(/datum/vampire_passive/full))
 		var/mob/living/carbon/human/H=M
-		if(method == TOUCH)
+		if(method == REAGENT_TOUCH)
 			if(H.wear_mask)
 				to_chat(H, "<span class='warning'>Your mask protects you from the holy water!</span>")
 				return

code/modules/reagents/chemistry/recipes/slime_extracts.dm

@@ -306,7 +306,7 @@
 		if(holder && holder.my_atom)
 			var/turf/simulated/T = get_turf(holder.my_atom)
 			if(istype(T))
-				T.atmos_spawn_air(SPAWN_HEAT | SPAWN_TOXINS, 50)
+				T.atmos_spawn_air(LINDA_SPAWN_HEAT | LINDA_SPAWN_TOXINS, 50)
 
 //Yellow
 

code/modules/reagents/reagent_containers/dropper.dm

@@ -48,14 +48,14 @@
 			if(safe_thing)
 				visible_message("<span class='danger'>[user] tries to drip something into [H]'s eyes, but fails!</span>")
 
-				reagents.reaction(safe_thing, TOUCH)
+				reagents.reaction(safe_thing, REAGENT_TOUCH)
 				to_transfer = reagents.remove_any(amount_per_transfer_from_this)
 
 				to_chat(user, "<span class='notice'>You transfer [to_transfer] units of the solution.</span>")
 				return
 
 		visible_message("<span class='danger'>[user] drips something into [C]'s eyes!</span>")
-		reagents.reaction(C, TOUCH)
+		reagents.reaction(C, REAGENT_TOUCH)
 
 		var/list/injected = list()
 		for(var/datum/reagent/R in reagents.reagent_list)
@@ -137,7 +137,7 @@
 					var/str = english_list(virList)
 					add_attack_logs(user, M, "Infected with [str].")
 
-				reagents.reaction(M, INGEST, reagents.total_volume)
+				reagents.reaction(M, REAGENT_INGEST, reagents.total_volume)
 				reagents.trans_to(M, 1)
 
 			var/contained = english_list(injected)

code/modules/reagents/reagent_containers/glass_containers.dm

@@ -79,7 +79,7 @@
 			else
 				M.LAssailant = user
 
-			reagents.reaction(M, TOUCH)
+			reagents.reaction(M, REAGENT_TOUCH)
 			reagents.clear_reagents()
 		else
 			if(M != user)
@@ -95,7 +95,7 @@
 				to_chat(user, "<span class='notice'>You swallow a gulp of [src].</span>")
 
 			var/fraction = min(5 / reagents.total_volume, 1)
-			reagents.reaction(M, INGEST, fraction)
+			reagents.reaction(M, REAGENT_INGEST, fraction)
 			addtimer(CALLBACK(reagents, /datum/reagents.proc/trans_to, M, 5), 5)
 			playsound(M.loc,'sound/items/drink.ogg', rand(10,50), 1)
 	else
@@ -146,7 +146,7 @@
 	else if(reagents.total_volume && user.a_intent == INTENT_HARM)
 		user.visible_message("<span class='danger'>[user] splashes the contents of [src] onto [target]!</span>", \
 							"<span class='notice'>You splash the contents of [src] onto [target].</span>")
-		reagents.reaction(target, TOUCH)
+		reagents.reaction(target, REAGENT_TOUCH)
 		reagents.clear_reagents()
 
 /obj/item/reagent_containers/glass/attackby(obj/item/I, mob/user, params)
@@ -361,7 +361,7 @@
     ..()
     if(slot == slot_head && reagents.total_volume)
         to_chat(user, "<span class='userdanger'>[src]'s contents spill all over you!</span>")
-        reagents.reaction(user, TOUCH)
+        reagents.reaction(user, REAGENT_TOUCH)
         reagents.clear_reagents()
 
 /obj/item/reagent_containers/glass/bucket/attackby(obj/D, mob/user, params)

code/modules/reagents/reagent_containers/iv_bag.dm

@@ -68,7 +68,7 @@
 	if(mode) 	// Injecting
 		if(reagents.total_volume)
 			var/fraction = min(amount_per_transfer_from_this/reagents.total_volume, 1) 	//The amount of reagents we'll transfer to the person
-			reagents.reaction(injection_target, INGEST, fraction) 						//React the amount we're transfering.
+			reagents.reaction(injection_target, REAGENT_INGEST, fraction) 						//React the amount we're transfering.
 			reagents.trans_to(injection_target, amount_per_transfer_from_this)
 			update_icon()
 	else		// Drawing

code/modules/reagents/reagent_containers/patch.dm

@@ -6,7 +6,7 @@
 	item_state = "bandaid"
 	possible_transfer_amounts = null
 	volume = 40
-	apply_type = TOUCH
+	apply_type = REAGENT_TOUCH
 	apply_method = "apply"
 	transfer_efficiency = 0.5 //patches aren't as effective at getting chemicals into the bloodstream.
 

code/modules/reagents/reagent_containers/syringes.dm

@@ -138,7 +138,7 @@
 				add_attack_logs(user, L, "Injected with [name] containing [contained], transfered [amount_per_transfer_from_this] units", reagents.harmless_helper() ? ATKLOG_ALMOSTALL : null)
 
 			var/fraction = min(amount_per_transfer_from_this / reagents.total_volume, 1)
-			reagents.reaction(L, INGEST, fraction)
+			reagents.reaction(L, REAGENT_INGEST, fraction)
 			reagents.trans_to(target, amount_per_transfer_from_this)
 			to_chat(user, "<span class='notice'>You inject [amount_per_transfer_from_this] units of the solution. The syringe now contains [reagents.total_volume] units.</span>")
 			if(reagents.total_volume <= 0 && mode == SYRINGE_INJECT)