Fixes APS (#4347)

# About the pull request

It was hardcoded

# Explain why it's good for the game

Oops

# Changelog

:cl:
fix: The APS property works correctly again
/:cl:

code/modules/mob/living/carbon/xenomorph/Embryo.dm

@@ -14,9 +14,12 @@
 	var/flags_embryo = FALSE // Used in /ciphering/predator property
 	/// The ckey of any player hugger that made this embryo
 	var/hugger_ckey
+	/// The total time the person is hugged divided by stages until burst
+	var/per_stage_hugged_time = 90 //Set in Initialize due to config
 
 /obj/item/alien_embryo/Initialize(mapload, ...)
 	. = ..()
+	per_stage_hugged_time = CONFIG_GET(number/embryo_burst_timer) / 5
 	if(istype(loc, /mob/living))
 		affected_mob = loc
 		affected_mob.status_flags |= XENO_HOST
@@ -76,8 +79,6 @@
 
 /obj/item/alien_embryo/proc/process_growth(delta_time)
 	var/datum/hive_status/hive = GLOB.hive_datum[hivenumber]
-	/// The total time the person is hugged divided by stages until burst
-	var/per_stage_hugged_time = CONFIG_GET(number/embryo_burst_timer) / 5
 	//Low temperature seriously hampers larva growth (as in, way below livable), so does stasis
 	if(!hive.hardcore) // Cannot progress if the hive has entered hardcore mode.
 		if(affected_mob.in_stasis || affected_mob.bodytemperature < 170)

code/modules/reagents/chemistry_properties/prop_positive.dm

@@ -481,24 +481,24 @@
 	description = "Antimicrobial property specifically targeting parasitic pathogens in the body disrupting their growth and potentially killing them."
 	rarity = PROPERTY_UNCOMMON
 
-/datum/chem_property/positive/antiparasitic/process(mob/living/M, potency = 1, delta_time)
-	if(!ishuman(M))
-		return
-	var/mob/living/carbon/human/H = M
-	for(var/content in H.contents)
-		var/obj/item/alien_embryo/A = content
-		if(A && istype(A))
-			if(A.counter > 0)
-				A.counter = A.counter - potency
-				H.take_limb_damage(0,POTENCY_MULTIPLIER_MEDIUM*potency)
+/datum/chem_property/positive/antiparasitic/process(mob/living/current_mob, potency = 1, delta_time)
+	if(!ishuman(current_mob))
+		return
+	var/mob/living/carbon/human/current_human = current_mob
+	for(var/content in current_human.contents)
+		var/obj/item/alien_embryo/embryo = content
+		if(embryo && istype(embryo))
+			if(embryo.counter > 0)
+				embryo.counter = embryo.counter - potency
+				current_human.take_limb_damage(0,POTENCY_MULTIPLIER_MEDIUM*potency)
 			else
-				A.stage--
-				if(A.stage <= 0)//if we reach this point, the embryo dies and the occupant takes a nasty amount of acid damage
-					qdel(A)
-					H.take_limb_damage(0,rand(20,40))
-					H.vomit()
+				embryo.stage--
+				if(embryo.stage <= 0)//if we reach this point, the embryo dies and the occupant takes a nasty amount of acid damage
+					qdel(embryo)
+					current_human.take_limb_damage(0,rand(20,40))
+					current_human.vomit()
 				else
-					A.counter = 90
+					embryo.counter = embryo.per_stage_hugged_time
 
 /datum/chem_property/positive/antiparasitic/process_overdose(mob/living/M, potency = 1)
 	M.apply_damage(potency, TOX)