diff --git a/code/modules/reagents/holder/holder.dm b/code/modules/reagents/holder/holder.dm
index 6bde5e8508..75ad9defcb 100644
--- a/code/modules/reagents/holder/holder.dm
+++ b/code/modules/reagents/holder/holder.dm
@@ -1,4 +1,3 @@
-<<<<<<< HEAD
 #define PROCESS_REACTION_ITER 5 //when processing a reaction, iterate this many times
 
 /datum/reagents
@@ -86,20 +85,17 @@
 	var/list/effect_reactions = list()
 	do
 		reaction_occurred = FALSE
-		for(var/i in reagent_list)
-			var/datum/reagent/R = i
+		for(var/datum/reagent/R as anything in reagent_list)
 			if(SSchemistry.instant_reactions_by_reagent[R.id])
 				eligible_reactions |= SSchemistry.instant_reactions_by_reagent[R.id]
 
-		for(var/i in eligible_reactions)
-			var/decl/chemical_reaction/C = i
+		for(var/decl/chemical_reaction/C as anything in eligible_reactions)
 			if(C.can_happen(src) && C.process(src))
 				effect_reactions |= C
 				reaction_occurred = TRUE
 		eligible_reactions.len = 0
 	while(reaction_occurred)
-	for(var/i in effect_reactions)
-		var/decl/chemical_reaction/C = i
+	for(var/decl/chemical_reaction/C as anything in effect_reactions)
 		C.post_reaction(src)
 	update_total()
 
@@ -146,8 +142,7 @@
 	return 0
 
 /datum/reagents/proc/isolate_reagent(reagent)
-	for(var/A in reagent_list)
-		var/datum/reagent/R = A
+	for(var/datum/reagent/R as anything in reagent_list)
 		if(R.id != reagent)
 			del_reagent(R.id)
 			update_total()
@@ -485,19 +480,17 @@
 		objs += O
 	if (objs.len)
 		var/objportion = (amount * 0.2) / objs.len
-		for (var/o in objs)
-			var/obj/O = o
+		for(var/obj/O as anything in objs)
 			trans_to(O, objportion, multiplier, copy)
 	amount = min(amount, total_volume)
 	if (mobs.len)
 		var/mobportion = (amount * 0.5) / mobs.len
-		for (var/m in mobs)
-			var/mob/M = m
+		for(var/mob/M as anything in mobs)
 			trans_to(M, mobportion, multiplier, copy)
 	trans_to(T, total_volume, multiplier, copy)
 	if (total_volume <= 0)
 		qdel(src)
-		
+
 /**
  * Calls [/datum/reagent/proc/on_update] on every reagent in this holder
  *
@@ -509,1020 +502,3 @@
 	for(var/datum/reagent/reagent as anything in cached_reagents)
 		reagent.on_update(A)
 	update_total()
-||||||| parent of 0dcdc6d7d5... Merge pull request #11179 from VOREStation/Arokha/opt
-#define PROCESS_REACTION_ITER 5 //when processing a reaction, iterate this many times
-
-/datum/reagents
-	var/list/datum/reagent/reagent_list = list()
-	var/total_volume = 0
-	var/maximum_volume = 100
-	var/atom/my_atom = null
-
-/datum/reagents/New(var/max = 100, atom/A = null)
-	..()
-	maximum_volume = max
-	my_atom = A
-
-	//I dislike having these here but map-objects are initialised before world/New() is called. >_>
-	if(!SSchemistry.chemical_reagents)
-		//Chemical Reagents - Initialises all /datum/reagent into a list indexed by reagent id
-		var/paths = subtypesof(/datum/reagent)
-		SSchemistry.chemical_reagents = list()
-		for(var/path in paths)
-			var/datum/reagent/D = new path()
-			if(!D.name)
-				continue
-			SSchemistry.chemical_reagents[D.id] = D
-
-/datum/reagents/Destroy()
-	for(var/datum/reagent/R in reagent_list)
-		qdel(R)
-	reagent_list = null
-	if(my_atom && my_atom.reagents == src)
-		my_atom.reagents = null
-	return ..()
-
-/* Internal procs */
-
-/datum/reagents/proc/get_free_space() // Returns free space.
-	return maximum_volume - total_volume
-
-/datum/reagents/proc/get_master_reagent() // Returns reference to the reagent with the biggest volume.
-	var/the_reagent = null
-	var/the_volume = 0
-
-	for(var/datum/reagent/A in reagent_list)
-		if(A.volume > the_volume)
-			the_volume = A.volume
-			the_reagent = A
-
-	return the_reagent
-
-/datum/reagents/proc/get_master_reagent_name() // Returns the name of the reagent with the biggest volume.
-	var/the_name = null
-	var/the_volume = 0
-	for(var/datum/reagent/A in reagent_list)
-		if(A.volume > the_volume)
-			the_volume = A.volume
-			the_name = A.name
-
-	return the_name
-
-/datum/reagents/proc/get_master_reagent_id() // Returns the id of the reagent with the biggest volume.
-	var/the_id = null
-	var/the_volume = 0
-	for(var/datum/reagent/A in reagent_list)
-		if(A.volume > the_volume)
-			the_volume = A.volume
-			the_id = A.id
-
-	return the_id
-
-/datum/reagents/proc/update_total() // Updates volume.
-	total_volume = 0
-	for(var/datum/reagent/R in reagent_list)
-		if(R.volume < MINIMUM_CHEMICAL_VOLUME)
-			del_reagent(R.id)
-		else
-			total_volume += R.volume
-	return
-
-/datum/reagents/proc/handle_reactions()
-	if(QDELETED(my_atom))
-		return FALSE
-	if(my_atom.flags & NOREACT)
-		return FALSE
-	var/reaction_occurred
-	var/list/eligible_reactions = list()
-	var/list/effect_reactions = list()
-	do
-		reaction_occurred = FALSE
-		for(var/i in reagent_list)
-			var/datum/reagent/R = i
-			if(SSchemistry.instant_reactions_by_reagent[R.id])
-				eligible_reactions |= SSchemistry.instant_reactions_by_reagent[R.id]
-
-		for(var/i in eligible_reactions)
-			var/decl/chemical_reaction/C = i
-			if(C.can_happen(src) && C.process(src))
-				effect_reactions |= C
-				reaction_occurred = TRUE
-		eligible_reactions.len = 0
-	while(reaction_occurred)
-	for(var/i in effect_reactions)
-		var/decl/chemical_reaction/C = i
-		C.post_reaction(src)
-	update_total()
-
-/* Holder-to-chemical */
-
-/datum/reagents/proc/add_reagent(var/id, var/amount, var/data = null, var/safety = 0)
-	if(!isnum(amount) || amount <= 0)
-		return 0
-
-	update_total()
-	amount = min(amount, get_free_space())
-
-
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			if(current.id == "blood")
-				if(LAZYLEN(data) && !isnull(data["species"]) && !isnull(current.data["species"]) && data["species"] != current.data["species"])	// Species bloodtypes are already incompatible, this just stops it from mixing into the one already in a container.
-					continue
-
-			current.volume += amount
-			if(!isnull(data)) // For all we know, it could be zero or empty string and meaningful
-				current.mix_data(data, amount)
-			update_total()
-			if(!safety)
-				handle_reactions()
-			if(my_atom)
-				my_atom.on_reagent_change()
-			return 1
-	var/datum/reagent/D = SSchemistry.chemical_reagents[id]
-	if(D)
-		var/datum/reagent/R = new D.type()
-		reagent_list += R
-		R.holder = src
-		R.volume = amount
-		R.initialize_data(data)
-		update_total()
-		if(!safety)
-			handle_reactions()
-		if(my_atom)
-			my_atom.on_reagent_change()
-		return 1
-	else
-		stack_trace("[my_atom] attempted to add a reagent called '[id]' which doesn't exist. ([usr])")
-	return 0
-
-/datum/reagents/proc/isolate_reagent(reagent)
-	for(var/A in reagent_list)
-		var/datum/reagent/R = A
-		if(R.id != reagent)
-			del_reagent(R.id)
-			update_total()
-
-/datum/reagents/proc/remove_reagent(var/id, var/amount, var/safety = 0)
-	if(!isnum(amount))
-		return 0
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			current.volume -= amount // It can go negative, but it doesn't matter
-			update_total() // Because this proc will delete it then
-			if(!safety)
-				handle_reactions()
-			if(my_atom)
-				my_atom.on_reagent_change()
-			return 1
-	return 0
-
-/datum/reagents/proc/del_reagent(var/id)
-	for(var/datum/reagent/current in reagent_list)
-		if (current.id == id)
-			reagent_list -= current
-			qdel(current)
-			update_total()
-			if(my_atom)
-				my_atom.on_reagent_change()
-			return 0
-
-/datum/reagents/proc/has_reagent(var/id, var/amount = 0)
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			if(current.volume >= amount)
-				return 1
-			else
-				return 0
-	return 0
-
-/datum/reagents/proc/has_any_reagent(var/list/check_reagents)
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id in check_reagents)
-			if(current.volume >= check_reagents[current.id])
-				return 1
-			else
-				return 0
-	return 0
-
-/datum/reagents/proc/has_all_reagents(var/list/check_reagents)
-	//this only works if check_reagents has no duplicate entries... hopefully okay since it expects an associative list
-	var/missing = check_reagents.len
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id in check_reagents)
-			if(current.volume >= check_reagents[current.id])
-				missing--
-	return !missing
-
-/datum/reagents/proc/clear_reagents()
-	for(var/datum/reagent/current in reagent_list)
-		del_reagent(current.id)
-	return
-
-/datum/reagents/proc/get_reagent_amount(var/id)
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			return current.volume
-	return 0
-
-/datum/reagents/proc/get_data(var/id)
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			return current.get_data()
-	return 0
-
-/datum/reagents/proc/get_reagents()
-	. = list()
-	for(var/datum/reagent/current in reagent_list)
-		. += "[current.id] ([current.volume])"
-	return english_list(., "EMPTY", "", ", ", ", ")
-
-/* Holder-to-holder and similar procs */
-
-/datum/reagents/proc/remove_any(var/amount = 1) // Removes up to [amount] of reagents from [src]. Returns actual amount removed.
-	amount = min(amount, total_volume)
-
-	if(!amount)
-		return
-
-	var/part = amount / total_volume
-
-	for(var/datum/reagent/current in reagent_list)
-		var/amount_to_remove = current.volume * part
-		remove_reagent(current.id, amount_to_remove, 1)
-
-	update_total()
-	handle_reactions()
-	return amount
-
-/datum/reagents/proc/trans_to_holder(var/datum/reagents/target, var/amount = 1, var/multiplier = 1, var/copy = 0) // Transfers [amount] reagents from [src] to [target], multiplying them by [multiplier]. Returns actual amount removed from [src] (not amount transferred to [target]).
-	if(!target || !istype(target))
-		return
-
-	amount = max(0, min(amount, total_volume, target.get_free_space() / multiplier))
-
-	if(!amount)
-		return
-
-	var/part = amount / total_volume
-
-	for(var/datum/reagent/current in reagent_list)
-		var/amount_to_transfer = current.volume * part
-		target.add_reagent(current.id, amount_to_transfer * multiplier, current.get_data(), safety = 1) // We don't react until everything is in place
-		if(!copy)
-			remove_reagent(current.id, amount_to_transfer, 1)
-
-	if(!copy)
-		handle_reactions()
-	target.handle_reactions()
-	return amount
-
-/* Holder-to-atom and similar procs */
-
-//The general proc for applying reagents to things. This proc assumes the reagents are being applied externally,
-//not directly injected into the contents. It first calls touch, then the appropriate trans_to_*() or splash_mob().
-//If for some reason touch effects are bypassed (e.g. injecting stuff directly into a reagent container or person),
-//call the appropriate trans_to_*() proc.
-/datum/reagents/proc/trans_to(var/atom/target, var/amount = 1, var/multiplier = 1, var/copy = 0)
-	touch(target) //First, handle mere touch effects
-
-	if(ismob(target))
-		return splash_mob(target, amount, copy)
-	if(isturf(target))
-		return trans_to_turf(target, amount, multiplier, copy)
-	if(isobj(target) && target.is_open_container())
-		return trans_to_obj(target, amount, multiplier, copy)
-	return 0
-
-//Splashing reagents is messier than trans_to, the target's loc gets some of the reagents as well.
-/datum/reagents/proc/splash(var/atom/target, var/amount = 1, var/multiplier = 1, var/copy = 0, var/min_spill=0, var/max_spill=60)
-	var/spill = 0
-	if(!isturf(target) && target.loc)
-		spill = amount*(rand(min_spill, max_spill)/100)
-		amount -= spill
-	if(spill)
-		splash(target.loc, spill, multiplier, copy, min_spill, max_spill)
-
-	if(!trans_to(target, amount, multiplier, copy))
-		touch(target, amount)
-
-/datum/reagents/proc/trans_type_to(var/target, var/rtype, var/amount = 1)
-	if (!target)
-		return
-
-	var/datum/reagent/transfering_reagent = get_reagent(rtype)
-
-	if (istype(target, /atom))
-		var/atom/A = target
-		if (!A.reagents || !A.simulated)
-			return
-
-	amount = min(amount, transfering_reagent.volume)
-
-	if(!amount)
-		return
-
-
-	var/datum/reagents/F = new /datum/reagents(amount)
-	var/tmpdata = get_data(rtype)
-	F.add_reagent(rtype, amount, tmpdata)
-	remove_reagent(rtype, amount)
-
-
-	if (istype(target, /atom))
-		return F.trans_to(target, amount) // Let this proc check the atom's type
-	else if (istype(target, /datum/reagents))
-		return F.trans_to_holder(target, amount)
-
-/datum/reagents/proc/trans_id_to(var/atom/target, var/id, var/amount = 1)
-	if (!target || !target.reagents)
-		return
-
-	amount = min(amount, get_reagent_amount(id))
-
-	if(!amount)
-		return
-
-	var/datum/reagents/F = new /datum/reagents(amount)
-	var/tmpdata = get_data(id)
-	F.add_reagent(id, amount, tmpdata)
-	remove_reagent(id, amount)
-
-	return F.trans_to(target, amount) // Let this proc check the atom's type
-
-// When applying reagents to an atom externally, touch() is called to trigger any on-touch effects of the reagent.
-// This does not handle transferring reagents to things.
-// For example, splashing someone with water will get them wet and extinguish them if they are on fire,
-// even if they are wearing an impermeable suit that prevents the reagents from contacting the skin.
-/datum/reagents/proc/touch(var/atom/target, var/amount)
-	if(ismob(target))
-		touch_mob(target, amount)
-	if(isturf(target))
-		touch_turf(target, amount)
-	if(isobj(target))
-		touch_obj(target, amount)
-	return
-
-/datum/reagents/proc/touch_mob(var/mob/target)
-	if(!target || !istype(target))
-		return
-
-	for(var/datum/reagent/current in reagent_list)
-		current.touch_mob(target, current.volume)
-
-	update_total()
-
-/datum/reagents/proc/touch_turf(var/turf/target, var/amount)
-	if(!target || !istype(target))
-		return
-
-	for(var/datum/reagent/current in reagent_list)
-		current.touch_turf(target, amount)
-
-	update_total()
-
-/datum/reagents/proc/touch_obj(var/obj/target, var/amount)
-	if(!target || !istype(target))
-		return
-
-	for(var/datum/reagent/current in reagent_list)
-		current.touch_obj(target, amount)
-
-	update_total()
-
-// Attempts to place a reagent on the mob's skin.
-// Reagents are not guaranteed to transfer to the target.
-// Do not call this directly, call trans_to() instead.
-/datum/reagents/proc/splash_mob(var/mob/target, var/amount = 1, var/copy = 0)
-	var/perm = 1
-	if(isliving(target)) //will we ever even need to tranfer reagents to non-living mobs?
-		var/mob/living/L = target
-		if(ishuman(L))
-			var/mob/living/carbon/human/H = L
-			if(H.check_shields(0, null, null, null, "the spray") == 1)		//If they block the spray, it does nothing.
-				amount = 0
-		perm = L.reagent_permeability()
-	return trans_to_mob(target, amount, CHEM_TOUCH, perm, copy)
-
-/datum/reagents/proc/trans_to_mob(var/mob/target, var/amount = 1, var/type = CHEM_BLOOD, var/multiplier = 1, var/copy = 0) // Transfer after checking into which holder...
-	if(!target || !istype(target))
-		return
-	if(iscarbon(target))
-		var/mob/living/carbon/C = target
-		if(type == CHEM_BLOOD)
-			var/datum/reagents/R = C.reagents
-			return trans_to_holder(R, amount, multiplier, copy)
-		if(type == CHEM_INGEST)
-			var/datum/reagents/R = C.ingested
-			return C.ingest(src, R, amount, multiplier, copy)
-		if(type == CHEM_TOUCH)
-			var/datum/reagents/R = C.touching
-			return trans_to_holder(R, amount, multiplier, copy)
-	else
-		var/datum/reagents/R = new /datum/reagents(amount)
-		. = trans_to_holder(R, amount, multiplier, copy)
-		R.touch_mob(target)
-
-/datum/reagents/proc/trans_to_turf(var/turf/target, var/amount = 1, var/multiplier = 1, var/copy = 0) // Turfs don't have any reagents (at least, for now). Just touch it.
-	if(!target)
-		return
-
-	var/datum/reagents/R = new /datum/reagents(amount * multiplier)
-	. = trans_to_holder(R, amount, multiplier, copy)
-	R.touch_turf(target, amount)
-	return
-
-/datum/reagents/proc/trans_to_obj(var/obj/target, var/amount = 1, var/multiplier = 1, var/copy = 0) // Objects may or may not; if they do, it's probably a beaker or something and we need to transfer properly; otherwise, just touch.
-	if(!target)
-		return
-
-	if(!target.reagents)
-		var/datum/reagents/R = new /datum/reagents(amount * multiplier)
-		. = trans_to_holder(R, amount, multiplier, copy)
-		R.touch_obj(target, amount)
-		return
-
-	return trans_to_holder(target.reagents, amount, multiplier, copy)
-
-/* Atom reagent creation - use it all the time */
-
-/atom/proc/create_reagents(var/max_vol, var/reagents_type = /datum/reagents)
-	if(!ispath(reagents_type))
-		reagents_type = /datum/reagents
-	reagents = new reagents_type(max_vol, src)
-
-// Aurora Cooking Port
-/datum/reagents/proc/get_reagent(var/id) // Returns reference to reagent matching passed ID
-	for(var/datum/reagent/A in reagent_list)
-		if (A.id == id)
-			return A
-
-	return null
-
-//Spreads the contents of this reagent holder all over the vicinity of the target turf.
-/datum/reagents/proc/splash_area(var/turf/epicentre, var/range = 3, var/portion = 1.0, var/multiplier = 1, var/copy = 0)
-	var/list/things = dview(range, epicentre, INVISIBILITY_LIGHTING)
-	var/list/turfs = list()
-	for (var/turf/T in things)
-		turfs += T
-	if (!turfs.len)
-		return//Nowhere to splash to, somehow
-	//Create a temporary holder to hold all the amount that will be spread
-	var/datum/reagents/R = new /datum/reagents(total_volume * portion * multiplier)
-	trans_to_holder(R, total_volume * portion, multiplier, copy)
-	//The exact amount that will be given to each turf
-	var/turfportion = R.total_volume / turfs.len
-	for (var/turf/T in turfs)
-		var/datum/reagents/TR = new /datum/reagents(turfportion)
-		R.trans_to_holder(TR, turfportion, 1, 0)
-		TR.splash_turf(T)
-	qdel(R)
-
-
-//Spreads the contents of this reagent holder all over the target turf, dividing among things in it.
-//50% is divided between mobs, 20% between objects, and whatever is left on the turf itself
-/datum/reagents/proc/splash_turf(var/turf/T, var/amount = null, var/multiplier = 1, var/copy = 0)
-	if (isnull(amount))
-		amount = total_volume
-	else
-		amount = min(amount, total_volume)
-	if (amount <= 0)
-		return
-	var/list/mobs = list()
-	for (var/mob/M in T)
-		mobs += M
-	var/list/objs = list()
-	for (var/obj/O in T)
-		objs += O
-	if (objs.len)
-		var/objportion = (amount * 0.2) / objs.len
-		for (var/o in objs)
-			var/obj/O = o
-			trans_to(O, objportion, multiplier, copy)
-	amount = min(amount, total_volume)
-	if (mobs.len)
-		var/mobportion = (amount * 0.5) / mobs.len
-		for (var/m in mobs)
-			var/mob/M = m
-			trans_to(M, mobportion, multiplier, copy)
-	trans_to(T, total_volume, multiplier, copy)
-	if (total_volume <= 0)
-		qdel(src)
-
-/**
- * Calls [/datum/reagent/proc/on_update] on every reagent in this holder
- *
- * Arguments:
- * * atom/A - passed to on_update
- */
-/datum/reagents/proc/conditional_update(atom/A)
-	var/list/cached_reagents = reagent_list
-	for(var/datum/reagent/reagent as anything in cached_reagents)
-		reagent.on_update(A)
-	update_total()
-=======
-#define PROCESS_REACTION_ITER 5 //when processing a reaction, iterate this many times
-
-/datum/reagents
-	var/list/datum/reagent/reagent_list = list()
-	var/total_volume = 0
-	var/maximum_volume = 100
-	var/atom/my_atom = null
-
-/datum/reagents/New(var/max = 100, atom/A = null)
-	..()
-	maximum_volume = max
-	my_atom = A
-
-	//I dislike having these here but map-objects are initialised before world/New() is called. >_>
-	if(!SSchemistry.chemical_reagents)
-		//Chemical Reagents - Initialises all /datum/reagent into a list indexed by reagent id
-		var/paths = subtypesof(/datum/reagent)
-		SSchemistry.chemical_reagents = list()
-		for(var/path in paths)
-			var/datum/reagent/D = new path()
-			if(!D.name)
-				continue
-			SSchemistry.chemical_reagents[D.id] = D
-
-/datum/reagents/Destroy()
-	for(var/datum/reagent/R in reagent_list)
-		qdel(R)
-	reagent_list = null
-	if(my_atom && my_atom.reagents == src)
-		my_atom.reagents = null
-	return ..()
-
-/* Internal procs */
-
-/datum/reagents/proc/get_free_space() // Returns free space.
-	return maximum_volume - total_volume
-
-/datum/reagents/proc/get_master_reagent() // Returns reference to the reagent with the biggest volume.
-	var/the_reagent = null
-	var/the_volume = 0
-
-	for(var/datum/reagent/A in reagent_list)
-		if(A.volume > the_volume)
-			the_volume = A.volume
-			the_reagent = A
-
-	return the_reagent
-
-/datum/reagents/proc/get_master_reagent_name() // Returns the name of the reagent with the biggest volume.
-	var/the_name = null
-	var/the_volume = 0
-	for(var/datum/reagent/A in reagent_list)
-		if(A.volume > the_volume)
-			the_volume = A.volume
-			the_name = A.name
-
-	return the_name
-
-/datum/reagents/proc/get_master_reagent_id() // Returns the id of the reagent with the biggest volume.
-	var/the_id = null
-	var/the_volume = 0
-	for(var/datum/reagent/A in reagent_list)
-		if(A.volume > the_volume)
-			the_volume = A.volume
-			the_id = A.id
-
-	return the_id
-
-/datum/reagents/proc/update_total() // Updates volume.
-	total_volume = 0
-	for(var/datum/reagent/R in reagent_list)
-		if(R.volume < MINIMUM_CHEMICAL_VOLUME)
-			del_reagent(R.id)
-		else
-			total_volume += R.volume
-	return
-
-/datum/reagents/proc/handle_reactions()
-	if(QDELETED(my_atom))
-		return FALSE
-	if(my_atom.flags & NOREACT)
-		return FALSE
-	var/reaction_occurred
-	var/list/eligible_reactions = list()
-	var/list/effect_reactions = list()
-	do
-		reaction_occurred = FALSE
-		for(var/datum/reagent/R as anything in reagent_list)
-			if(SSchemistry.instant_reactions_by_reagent[R.id])
-				eligible_reactions |= SSchemistry.instant_reactions_by_reagent[R.id]
-
-		for(var/decl/chemical_reaction/C as anything in eligible_reactions)
-			if(C.can_happen(src) && C.process(src))
-				effect_reactions |= C
-				reaction_occurred = TRUE
-		eligible_reactions.len = 0
-	while(reaction_occurred)
-	for(var/decl/chemical_reaction/C as anything in effect_reactions)
-		C.post_reaction(src)
-	update_total()
-
-/* Holder-to-chemical */
-
-/datum/reagents/proc/add_reagent(var/id, var/amount, var/data = null, var/safety = 0)
-	if(!isnum(amount) || amount <= 0)
-		return 0
-
-	update_total()
-	amount = min(amount, get_free_space())
-
-
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			if(current.id == "blood")
-				if(LAZYLEN(data) && !isnull(data["species"]) && !isnull(current.data["species"]) && data["species"] != current.data["species"])	// Species bloodtypes are already incompatible, this just stops it from mixing into the one already in a container.
-					continue
-
-			current.volume += amount
-			if(!isnull(data)) // For all we know, it could be zero or empty string and meaningful
-				current.mix_data(data, amount)
-			update_total()
-			if(!safety)
-				handle_reactions()
-			if(my_atom)
-				my_atom.on_reagent_change()
-			return 1
-	var/datum/reagent/D = SSchemistry.chemical_reagents[id]
-	if(D)
-		var/datum/reagent/R = new D.type()
-		reagent_list += R
-		R.holder = src
-		R.volume = amount
-		R.initialize_data(data)
-		update_total()
-		if(!safety)
-			handle_reactions()
-		if(my_atom)
-			my_atom.on_reagent_change()
-		return 1
-	else
-		stack_trace("[my_atom] attempted to add a reagent called '[id]' which doesn't exist. ([usr])")
-	return 0
-
-/datum/reagents/proc/isolate_reagent(reagent)
-	for(var/datum/reagent/R as anything in reagent_list)
-		if(R.id != reagent)
-			del_reagent(R.id)
-			update_total()
-
-/datum/reagents/proc/remove_reagent(var/id, var/amount, var/safety = 0)
-	if(!isnum(amount))
-		return 0
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			current.volume -= amount // It can go negative, but it doesn't matter
-			update_total() // Because this proc will delete it then
-			if(!safety)
-				handle_reactions()
-			if(my_atom)
-				my_atom.on_reagent_change()
-			return 1
-	return 0
-
-/datum/reagents/proc/del_reagent(var/id)
-	for(var/datum/reagent/current in reagent_list)
-		if (current.id == id)
-			reagent_list -= current
-			qdel(current)
-			update_total()
-			if(my_atom)
-				my_atom.on_reagent_change()
-			return 0
-
-/datum/reagents/proc/has_reagent(var/id, var/amount = 0)
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			if(current.volume >= amount)
-				return 1
-			else
-				return 0
-	return 0
-
-/datum/reagents/proc/has_any_reagent(var/list/check_reagents)
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id in check_reagents)
-			if(current.volume >= check_reagents[current.id])
-				return 1
-			else
-				return 0
-	return 0
-
-/datum/reagents/proc/has_all_reagents(var/list/check_reagents)
-	//this only works if check_reagents has no duplicate entries... hopefully okay since it expects an associative list
-	var/missing = check_reagents.len
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id in check_reagents)
-			if(current.volume >= check_reagents[current.id])
-				missing--
-	return !missing
-
-/datum/reagents/proc/clear_reagents()
-	for(var/datum/reagent/current in reagent_list)
-		del_reagent(current.id)
-	return
-
-/datum/reagents/proc/get_reagent_amount(var/id)
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			return current.volume
-	return 0
-
-/datum/reagents/proc/get_data(var/id)
-	for(var/datum/reagent/current in reagent_list)
-		if(current.id == id)
-			return current.get_data()
-	return 0
-
-/datum/reagents/proc/get_reagents()
-	. = list()
-	for(var/datum/reagent/current in reagent_list)
-		. += "[current.id] ([current.volume])"
-	return english_list(., "EMPTY", "", ", ", ", ")
-
-/* Holder-to-holder and similar procs */
-
-/datum/reagents/proc/remove_any(var/amount = 1) // Removes up to [amount] of reagents from [src]. Returns actual amount removed.
-	amount = min(amount, total_volume)
-
-	if(!amount)
-		return
-
-	var/part = amount / total_volume
-
-	for(var/datum/reagent/current in reagent_list)
-		var/amount_to_remove = current.volume * part
-		remove_reagent(current.id, amount_to_remove, 1)
-
-	update_total()
-	handle_reactions()
-	return amount
-
-/datum/reagents/proc/trans_to_holder(var/datum/reagents/target, var/amount = 1, var/multiplier = 1, var/copy = 0) // Transfers [amount] reagents from [src] to [target], multiplying them by [multiplier]. Returns actual amount removed from [src] (not amount transferred to [target]).
-	if(!target || !istype(target))
-		return
-
-	amount = max(0, min(amount, total_volume, target.get_free_space() / multiplier))
-
-	if(!amount)
-		return
-
-	var/part = amount / total_volume
-
-	for(var/datum/reagent/current in reagent_list)
-		var/amount_to_transfer = current.volume * part
-		target.add_reagent(current.id, amount_to_transfer * multiplier, current.get_data(), safety = 1) // We don't react until everything is in place
-		if(!copy)
-			remove_reagent(current.id, amount_to_transfer, 1)
-
-	if(!copy)
-		handle_reactions()
-	target.handle_reactions()
-	return amount
-
-/* Holder-to-atom and similar procs */
-
-//The general proc for applying reagents to things. This proc assumes the reagents are being applied externally,
-//not directly injected into the contents. It first calls touch, then the appropriate trans_to_*() or splash_mob().
-//If for some reason touch effects are bypassed (e.g. injecting stuff directly into a reagent container or person),
-//call the appropriate trans_to_*() proc.
-/datum/reagents/proc/trans_to(var/atom/target, var/amount = 1, var/multiplier = 1, var/copy = 0)
-	touch(target) //First, handle mere touch effects
-
-	if(ismob(target))
-		return splash_mob(target, amount, copy)
-	if(isturf(target))
-		return trans_to_turf(target, amount, multiplier, copy)
-	if(isobj(target) && target.is_open_container())
-		return trans_to_obj(target, amount, multiplier, copy)
-	return 0
-
-//Splashing reagents is messier than trans_to, the target's loc gets some of the reagents as well.
-/datum/reagents/proc/splash(var/atom/target, var/amount = 1, var/multiplier = 1, var/copy = 0, var/min_spill=0, var/max_spill=60)
-	var/spill = 0
-	if(!isturf(target) && target.loc)
-		spill = amount*(rand(min_spill, max_spill)/100)
-		amount -= spill
-	if(spill)
-		splash(target.loc, spill, multiplier, copy, min_spill, max_spill)
-
-	if(!trans_to(target, amount, multiplier, copy))
-		touch(target, amount)
-
-/datum/reagents/proc/trans_type_to(var/target, var/rtype, var/amount = 1)
-	if (!target)
-		return
-
-	var/datum/reagent/transfering_reagent = get_reagent(rtype)
-
-	if (istype(target, /atom))
-		var/atom/A = target
-		if (!A.reagents || !A.simulated)
-			return
-
-	amount = min(amount, transfering_reagent.volume)
-
-	if(!amount)
-		return
-
-
-	var/datum/reagents/F = new /datum/reagents(amount)
-	var/tmpdata = get_data(rtype)
-	F.add_reagent(rtype, amount, tmpdata)
-	remove_reagent(rtype, amount)
-
-
-	if (istype(target, /atom))
-		return F.trans_to(target, amount) // Let this proc check the atom's type
-	else if (istype(target, /datum/reagents))
-		return F.trans_to_holder(target, amount)
-
-/datum/reagents/proc/trans_id_to(var/atom/target, var/id, var/amount = 1)
-	if (!target || !target.reagents)
-		return
-
-	amount = min(amount, get_reagent_amount(id))
-
-	if(!amount)
-		return
-
-	var/datum/reagents/F = new /datum/reagents(amount)
-	var/tmpdata = get_data(id)
-	F.add_reagent(id, amount, tmpdata)
-	remove_reagent(id, amount)
-
-	return F.trans_to(target, amount) // Let this proc check the atom's type
-
-// When applying reagents to an atom externally, touch() is called to trigger any on-touch effects of the reagent.
-// This does not handle transferring reagents to things.
-// For example, splashing someone with water will get them wet and extinguish them if they are on fire,
-// even if they are wearing an impermeable suit that prevents the reagents from contacting the skin.
-/datum/reagents/proc/touch(var/atom/target, var/amount)
-	if(ismob(target))
-		touch_mob(target, amount)
-	if(isturf(target))
-		touch_turf(target, amount)
-	if(isobj(target))
-		touch_obj(target, amount)
-	return
-
-/datum/reagents/proc/touch_mob(var/mob/target)
-	if(!target || !istype(target))
-		return
-
-	for(var/datum/reagent/current in reagent_list)
-		current.touch_mob(target, current.volume)
-
-	update_total()
-
-/datum/reagents/proc/touch_turf(var/turf/target, var/amount)
-	if(!target || !istype(target))
-		return
-
-	for(var/datum/reagent/current in reagent_list)
-		current.touch_turf(target, amount)
-
-	update_total()
-
-/datum/reagents/proc/touch_obj(var/obj/target, var/amount)
-	if(!target || !istype(target))
-		return
-
-	for(var/datum/reagent/current in reagent_list)
-		current.touch_obj(target, amount)
-
-	update_total()
-
-// Attempts to place a reagent on the mob's skin.
-// Reagents are not guaranteed to transfer to the target.
-// Do not call this directly, call trans_to() instead.
-/datum/reagents/proc/splash_mob(var/mob/target, var/amount = 1, var/copy = 0)
-	var/perm = 1
-	if(isliving(target)) //will we ever even need to tranfer reagents to non-living mobs?
-		var/mob/living/L = target
-		if(ishuman(L))
-			var/mob/living/carbon/human/H = L
-			if(H.check_shields(0, null, null, null, "the spray") == 1)		//If they block the spray, it does nothing.
-				amount = 0
-		perm = L.reagent_permeability()
-	return trans_to_mob(target, amount, CHEM_TOUCH, perm, copy)
-
-/datum/reagents/proc/trans_to_mob(var/mob/target, var/amount = 1, var/type = CHEM_BLOOD, var/multiplier = 1, var/copy = 0) // Transfer after checking into which holder...
-	if(!target || !istype(target))
-		return
-	if(iscarbon(target))
-		var/mob/living/carbon/C = target
-		if(type == CHEM_BLOOD)
-			var/datum/reagents/R = C.reagents
-			return trans_to_holder(R, amount, multiplier, copy)
-		if(type == CHEM_INGEST)
-			var/datum/reagents/R = C.ingested
-			return C.ingest(src, R, amount, multiplier, copy)
-		if(type == CHEM_TOUCH)
-			var/datum/reagents/R = C.touching
-			return trans_to_holder(R, amount, multiplier, copy)
-	else
-		var/datum/reagents/R = new /datum/reagents(amount)
-		. = trans_to_holder(R, amount, multiplier, copy)
-		R.touch_mob(target)
-
-/datum/reagents/proc/trans_to_turf(var/turf/target, var/amount = 1, var/multiplier = 1, var/copy = 0) // Turfs don't have any reagents (at least, for now). Just touch it.
-	if(!target)
-		return
-
-	var/datum/reagents/R = new /datum/reagents(amount * multiplier)
-	. = trans_to_holder(R, amount, multiplier, copy)
-	R.touch_turf(target, amount)
-	return
-
-/datum/reagents/proc/trans_to_obj(var/obj/target, var/amount = 1, var/multiplier = 1, var/copy = 0) // Objects may or may not; if they do, it's probably a beaker or something and we need to transfer properly; otherwise, just touch.
-	if(!target)
-		return
-
-	if(!target.reagents)
-		var/datum/reagents/R = new /datum/reagents(amount * multiplier)
-		. = trans_to_holder(R, amount, multiplier, copy)
-		R.touch_obj(target, amount)
-		return
-
-	return trans_to_holder(target.reagents, amount, multiplier, copy)
-
-/* Atom reagent creation - use it all the time */
-
-/atom/proc/create_reagents(var/max_vol, var/reagents_type = /datum/reagents)
-	if(!ispath(reagents_type))
-		reagents_type = /datum/reagents
-	reagents = new reagents_type(max_vol, src)
-
-// Aurora Cooking Port
-/datum/reagents/proc/get_reagent(var/id) // Returns reference to reagent matching passed ID
-	for(var/datum/reagent/A in reagent_list)
-		if (A.id == id)
-			return A
-
-	return null
-
-//Spreads the contents of this reagent holder all over the vicinity of the target turf.
-/datum/reagents/proc/splash_area(var/turf/epicentre, var/range = 3, var/portion = 1.0, var/multiplier = 1, var/copy = 0)
-	var/list/things = dview(range, epicentre, INVISIBILITY_LIGHTING)
-	var/list/turfs = list()
-	for (var/turf/T in things)
-		turfs += T
-	if (!turfs.len)
-		return//Nowhere to splash to, somehow
-	//Create a temporary holder to hold all the amount that will be spread
-	var/datum/reagents/R = new /datum/reagents(total_volume * portion * multiplier)
-	trans_to_holder(R, total_volume * portion, multiplier, copy)
-	//The exact amount that will be given to each turf
-	var/turfportion = R.total_volume / turfs.len
-	for (var/turf/T in turfs)
-		var/datum/reagents/TR = new /datum/reagents(turfportion)
-		R.trans_to_holder(TR, turfportion, 1, 0)
-		TR.splash_turf(T)
-	qdel(R)
-
-
-//Spreads the contents of this reagent holder all over the target turf, dividing among things in it.
-//50% is divided between mobs, 20% between objects, and whatever is left on the turf itself
-/datum/reagents/proc/splash_turf(var/turf/T, var/amount = null, var/multiplier = 1, var/copy = 0)
-	if (isnull(amount))
-		amount = total_volume
-	else
-		amount = min(amount, total_volume)
-	if (amount <= 0)
-		return
-	var/list/mobs = list()
-	for (var/mob/M in T)
-		mobs += M
-	var/list/objs = list()
-	for (var/obj/O in T)
-		objs += O
-	if (objs.len)
-		var/objportion = (amount * 0.2) / objs.len
-		for(var/obj/O as anything in objs)
-			trans_to(O, objportion, multiplier, copy)
-	amount = min(amount, total_volume)
-	if (mobs.len)
-		var/mobportion = (amount * 0.5) / mobs.len
-		for(var/mob/M as anything in mobs)
-			trans_to(M, mobportion, multiplier, copy)
-	trans_to(T, total_volume, multiplier, copy)
-	if (total_volume <= 0)
-		qdel(src)
-
-/**
- * Calls [/datum/reagent/proc/on_update] on every reagent in this holder
- *
- * Arguments:
- * * atom/A - passed to on_update
- */
-/datum/reagents/proc/conditional_update(atom/A)
-	var/list/cached_reagents = reagent_list
-	for(var/datum/reagent/reagent as anything in cached_reagents)
-		reagent.on_update(A)
-	update_total()
->>>>>>> 0dcdc6d7d5... Merge pull request #11179 from VOREStation/Arokha/opt