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code/modules/surgery/organs/organ.dm

@@ -115,10 +115,6 @@ var/list/organ_cache = list()
 		handle_antibiotics()
 		handle_germ_effects()
 
-	//check if we've hit max_damage
-	if(damage >= max_damage)
-		necrotize()
-
 /obj/item/organ/proc/is_preserved()
 	if(istype(loc,/obj/item/device/mmi))
 		germ_level = max(0, germ_level - 1) // So a brain can slowly recover from being left out of an MMI
@@ -173,9 +169,6 @@ var/list/organ_cache = list()
 		if(prob(3))	//about once every 30 seconds
 			take_damage(1,silent=prob(30))
 
-/obj/item/organ/proc/receive_chem(chemical as obj)
-	return 0
-
 /obj/item/organ/proc/rejuvenate()
 	damage = 0
 	germ_level = 0
@@ -239,6 +232,10 @@ var/list/organ_cache = list()
 			if(parent && !silent)
 				owner.custom_pain("Something inside your [parent.name] hurts a lot.", 1)
 
+		//check if we've hit max_damage
+	if(damage >= max_damage)
+		necrotize()
+
 /obj/item/organ/proc/robotize() //Being used to make robutt hearts, etc
 	robotic = 2
 	status &= ~ORGAN_BROKEN
@@ -253,7 +250,7 @@ var/list/organ_cache = list()
 	min_bruised_damage = 15
 	min_broken_damage = 35
 
-/obj/item/organ/emp_act(severity)
+/obj/item/organ/external/emp_act(severity)
 	if(!(status & ORGAN_ROBOT))
 		return
 	if(tough)

code/modules/surgery/organs/organ_internal.dm

@@ -431,20 +431,17 @@
 		//High toxins levels are dangerous
 		if(owner.getToxLoss() >= 60 && !owner.reagents.has_reagent("charcoal"))
 			//Healthy liver suffers on its own
-			if(src.damage < min_broken_damage)
-				src.damage += 0.2 * PROCESS_ACCURACY
+			if(damage < min_broken_damage)
+				take_damage(0.2 * PROCESS_ACCURACY)
 			//Damaged one shares the fun
 			else
 				var/obj/item/organ/internal/O = pick(owner.internal_organs)
 				if(O)
-					O.damage += 0.2  * PROCESS_ACCURACY
+					O.take_damage(0.2  * PROCESS_ACCURACY)
 
 		//Detox can heal small amounts of damage
-		if(src.damage && src.damage < src.min_bruised_damage && owner.reagents.has_reagent("charcoal"))
-			src.damage -= 0.2 * PROCESS_ACCURACY
-
-		if(src.damage < 0)
-			src.damage = 0
+		if(damage && damage < min_bruised_damage && owner.reagents.has_reagent("charcoal"))
+			take_damage(-0.2 * PROCESS_ACCURACY)
 
 		// Get the effectiveness of the liver.
 		var/filter_effect = 3
@@ -454,7 +451,7 @@
 			filter_effect -= 2
 
 		// Damaged liver means some chemicals are very dangerous
-		if(src.damage >= src.min_bruised_damage)
+		if(damage >= min_bruised_damage)
 			for(var/datum/reagent/R in owner.reagents.reagent_list)
 				// Ethanol and all drinks are bad
 				if(istype(R, /datum/reagent/consumable/ethanol))