removes silly garbage defines

code/modules/atmospherics/machinery/components/components_base.dm

@@ -15,10 +15,10 @@ On top of that, now people can add component-speciic procs/vars if they want!
 	airs = new(device_type)
 	..()
 
-	for(DEVICE_TYPE_LOOP)
+	for(var/i in 1 to device_type)
 		var/datum/gas_mixture/A = new
 		A.volume = 200
-		AIR_I = A
+		airs[i] = A
 /*
 Iconnery
 */
@@ -42,9 +42,9 @@ Iconnery
 
 	var/connected = 0 //Direction bitset
 
-	for(DEVICE_TYPE_LOOP) //adds intact pieces
-		if(NODE_I)
-			connected |= icon_addintact(NODE_I)
+	for(var/i in 1 to device_type) //adds intact pieces
+		if(nodes[i])
+			connected |= icon_addintact(nodes[i])
 
 	icon_addbroken(connected) //adds broken pieces
 
@@ -53,52 +53,45 @@ Iconnery
 Pipenet stuff; housekeeping
 */
 
-/obj/machinery/atmospherics/components/nullifyNode(I)
+/obj/machinery/atmospherics/components/nullifyNode(i)
 	..()
-	if(NODE_I)
-		nullifyPipenet(PARENT_I)
-		qdel(AIR_I)
-		AIR_I = null
+	if(nodes[i])
+		nullifyPipenet(parents[i])
+		QDEL_NULL(airs[i])
 
 /obj/machinery/atmospherics/components/on_construction()
 	..()
 	update_parents()
 
 /obj/machinery/atmospherics/components/build_network()
-	for(DEVICE_TYPE_LOOP)
-		if(!PARENT_I)
-			PARENT_I = new /datum/pipeline()
-			var/datum/pipeline/P = PARENT_I
+	for(var/i in 1 to device_type)
+		if(!parents[i])
+			parents[i] = new /datum/pipeline()
+			var/datum/pipeline/P = parents[i]
 			P.build_pipeline(src)
 
 /obj/machinery/atmospherics/components/proc/nullifyPipenet(datum/pipeline/reference)
-	var/I = parents.Find(reference)
-	reference.other_airs -= AIR_I
+	var/i = parents.Find(reference)
+	reference.other_airs -= airs[i]
 	reference.other_atmosmch -= src
-	PARENT_I = null
+	parents[i] = null
 
 /obj/machinery/atmospherics/components/returnPipenetAir(datum/pipeline/reference)
-	var/I = parents.Find(reference)
-	return AIR_I
+	return airs[parents.Find(reference)]
 
 /obj/machinery/atmospherics/components/pipeline_expansion(datum/pipeline/reference)
 	if(reference)
-		var/I = parents.Find(reference)
-		return list(NODE_I)
-	else
-		return ..()
+		return list(nodes[parents.Find(reference)])
+	return ..()
 
 /obj/machinery/atmospherics/components/setPipenet(datum/pipeline/reference, obj/machinery/atmospherics/A)
-	var/I = nodes.Find(A)
-	PARENT_I = reference
+	parents[nodes.Find(A)] = reference
 
-/obj/machinery/atmospherics/components/returnPipenet(obj/machinery/atmospherics/A = NODE1) //returns PARENT1 if called without argument
-	var/I = nodes.Find(A)
-	return PARENT_I
+/obj/machinery/atmospherics/components/returnPipenet(obj/machinery/atmospherics/A = nodes[1]) //returns parents[1] if called without argument
+	return parents[nodes.Find(A)]
 
 /obj/machinery/atmospherics/components/replacePipenet(datum/pipeline/Old, datum/pipeline/New)
-	var/I = parents.Find(Old)
-	PARENT_I = New
+	parents[parents.Find(Old)] = New
 
 /obj/machinery/atmospherics/components/unsafe_pressure_release(var/mob/user, var/pressures)
 	..()
@@ -109,15 +102,15 @@ Pipenet stuff; housekeeping
 		var/datum/gas_mixture/environment = T.return_air()
 		var/lost = null
 		var/times_lost = 0
-		for(DEVICE_TYPE_LOOP)
-			var/datum/gas_mixture/air = AIR_I
+		for(var/i in 1 to device_type)
+			var/datum/gas_mixture/air = airs[i]
 			lost += pressures*environment.volume/(air.temperature * R_IDEAL_GAS_EQUATION)
 			times_lost++
 		var/shared_loss = lost/times_lost
 
 		var/datum/gas_mixture/to_release
-		for(DEVICE_TYPE_LOOP)
-			var/datum/gas_mixture/air = AIR_I
+		for(var/i in 1 to device_type)
+			var/datum/gas_mixture/air = airs[i]
 			if(!to_release)
 				to_release = air.remove(shared_loss)
 				continue
@@ -136,8 +129,8 @@ Helpers
 */
 
 /obj/machinery/atmospherics/components/proc/update_parents()
-	for(DEVICE_TYPE_LOOP)
-		var/datum/pipeline/parent = PARENT_I
+	for(var/i in 1 to device_type)
+		var/datum/pipeline/parent = parents[i]
 		if(!parent)
 			throw EXCEPTION("Component is missing a pipenet! Rebuilding...")
 			build_network()
@@ -145,8 +138,8 @@ Helpers
 
 /obj/machinery/atmospherics/components/returnPipenets()
 	. = list()
-	for(DEVICE_TYPE_LOOP)
-		. += returnPipenet(NODE_I)
+	for(var/i in 1 to device_type)
+		. += returnPipenet(nodes[i])
 
 /*
 UI Stuff
@@ -157,4 +150,3 @@ UI Stuff
 		return ..()
 	to_chat(user, "<span class='danger'>Access denied.</span>")
 	return UI_CLOSE
-