PAIN

code/modules/mob/living/carbon/damage_procs.dm

@@ -40,7 +40,6 @@
 					update_damage_overlays()
 			else
 				adjustStaminaLoss(damage * hit_percent)
-		//citadel code
 		if(AROUSAL)
 			adjustArousalLoss(damage * hit_percent)
 	return TRUE
@@ -62,7 +61,6 @@
 		amount += BP.burn_dam
 	return amount
 
-
 /mob/living/carbon/adjustBruteLoss(amount, updating_health = TRUE, forced = FALSE)
 	if (!forced && amount < 0 && HAS_TRAIT(src,TRAIT_NONATURALHEAL))
 		return FALSE

code/modules/mob/living/damage_procs.dm

@@ -57,7 +57,6 @@
 		if(STAMINA)
 			return getStaminaLoss()
 
-
 /mob/living/proc/apply_damages(brute = 0, burn = 0, tox = 0, oxy = 0, clone = 0, def_zone = null, blocked = FALSE, stamina = 0, brain = 0)
 	if(blocked >= 100)
 		return 0
@@ -230,6 +229,9 @@
 /mob/living/proc/setStaminaLoss(amount, updating_stamina = TRUE, forced = FALSE)
 	return
 
+/mob/living/proc/adjustPainLoss(amount, updating_health = TRUE, forced = FALSE)
+	return
+
 // heal ONE external organ, organ gets randomly selected from damaged ones.
 /mob/living/proc/heal_bodypart_damage(brute = 0, burn = 0, stamina = 0, updating_health = TRUE)
 	adjustBruteLoss(-brute, FALSE) //zero as argument for no instant health update