Fixes IPC and Diona Knockdown Immunity

code/modules/surgery/organs/organ.dm

@@ -195,7 +195,7 @@ var/list/organ_cache = list()
 	return damage >= min_bruised_damage
 
 /obj/item/organ/proc/is_broken()
-	return (damage >= min_broken_damage || (status & ORGAN_CUT_AWAY) || ((status & ORGAN_BROKEN) && !(status & ORGAN_SPLINTED)))
+	return (damage >= min_broken_damage || ((status & ORGAN_BROKEN) && !(status & ORGAN_SPLINTED)))
 
 //Germs
 /obj/item/organ/proc/handle_antibiotics()
@@ -243,14 +243,12 @@ var/list/organ_cache = list()
 	robotic = 2
 	status &= ~ORGAN_BROKEN
 	status &= ~ORGAN_SPLINTED
-	status &= ~ORGAN_CUT_AWAY
-	status &= ~ORGAN_DESTROYED
 	status |= ORGAN_ROBOT
-	status |= ORGAN_ASSISTED
 
 /obj/item/organ/proc/mechassist() //Used to add things like pacemakers, etc
 	robotize(1) //Skip the icon/name setting that occurs in robotize to avoid having to reset the icon file.
 	status &= ~ORGAN_ROBOT
+	status |= ORGAN_ASSISTED
 	robotic = 1
 	min_bruised_damage = 15
 	min_broken_damage = 35

code/modules/surgery/organs/organ_external.dm

@@ -114,7 +114,6 @@
 					var/obj/item/removing = pick(contents)
 					var/obj/item/organ/internal/O = removing
 					if(istype(O))
-						O.status |= ORGAN_CUT_AWAY
 						if(!O.sterile)
 							spread_germs_to_organ(O,user, W) // This wouldn't be any cleaner than the actual surgery
 					user.put_in_hands(removing)
@@ -143,7 +142,6 @@
 
 /obj/item/organ/external/replaced(var/mob/living/carbon/human/target)
 	owner = target
-	status = status & ~ORGAN_DESTROYED
 	forceMove(owner)
 	if(istype(owner))
 		if(!isnull(owner.bodyparts_by_name[limb_name]))
@@ -179,9 +177,6 @@
 	if((brute <= 0) && (burn <= 0))
 		return 0
 
-	if(status & ORGAN_DESTROYED)
-		return 0
-
 	if(!ignore_resists)
 		brute *= brute_mod
 		burn *= burn_mod
@@ -325,12 +320,6 @@ This function completely restores a damaged organ to perfect condition.
 
 /obj/item/organ/external/process()
 	if(owner)
-		if(parent)
-			if(parent.status & ORGAN_DESTROYED)
-				status |= ORGAN_DESTROYED
-				owner.update_body(1)
-				return
-
 		//Chem traces slowly vanish
 		if(owner.life_tick % 10 == 0)
 			for(var/chemID in trace_chemicals)
@@ -367,7 +356,7 @@ Note that amputating the affected organ does in fact remove the infection from t
 */
 /obj/item/organ/external/proc/update_germs()
 
-	if(status & (ORGAN_ROBOT|ORGAN_DESTROYED) || (IS_PLANT in owner.species.species_traits)) //Robotic limbs shouldn't be infected, nor should nonexistant limbs.
+	if((status & ORGAN_ROBOT) || (IS_PLANT in owner.species.species_traits)) //Robotic limbs shouldn't be infected, nor should nonexistant limbs.
 		germ_level = 0
 		return
 
@@ -447,9 +436,6 @@ Note that amputating the affected organ does in fact remove the infection from t
 // new damage icon system
 // returns just the brute/burn damage code
 /obj/item/organ/external/proc/damage_state_text()
-	if(status & ORGAN_DESTROYED)
-		return "--"
-
 	var/tburn = 0
 	var/tbrute = 0
 
@@ -650,7 +636,7 @@ Note that amputating the affected organ does in fact remove the infection from t
 /obj/item/organ/external/proc/is_usable()
 	if(((status & ORGAN_ROBOT) && get_damage() >= max_damage) && !tough) //robot limbs just become inoperable at max damage
 		return
-	return !(status & (ORGAN_DESTROYED|ORGAN_MUTATED|ORGAN_DEAD))
+	return !(status & (ORGAN_MUTATED|ORGAN_DEAD))
 
 /obj/item/organ/external/proc/is_malfunctioning()
 	return ((status & ORGAN_ROBOT) && (brute_dam + burn_dam) >= 10 && prob(brute_dam + burn_dam) && !tough)
@@ -670,8 +656,6 @@ Note that amputating the affected organ does in fact remove the infection from t
 
 	. = ..()
 
-	status |= ORGAN_DESTROYED
-
 	// Attached organs also fly off.
 	if(!ignore_children)
 		for(var/obj/item/organ/external/O in children)

code/modules/surgery/organs/organ_icon.dm

@@ -172,7 +172,7 @@ var/global/list/limb_icon_cache = list()
 				gender = "f"
 			else
 				gender = "m"
-		if(limb_name == "head" && !(status & ORGAN_DESTROYED))
+		if(limb_name == "head")
 			var/obj/item/organ/external/head/head_organ = src
 			head_organ.handle_alt_icon()