Fix for missing and robotic limbs getting infected with germs and being incurable.

code/modules/organs/organ_external.dm

@@ -45,6 +45,7 @@
 	// how often wounds should be updated, a higher number means less often
 	var/wound_update_accuracy = 1
 
+
 /datum/organ/external/New(var/datum/organ/external/P)
 	if(P)
 		parent = P
@@ -297,6 +298,11 @@ This function completely restores a damaged organ to perfect condition.
 #define GANGREN_LEVEL_TERMINAL	2500
 #define GERM_TRANSFER_AMOUNT	germ_level/500
 /datum/organ/external/proc/update_germs()
+
+	if(status & ORGAN_ROBOT|ORGAN_DESTROYED) //Robotic limbs shouldn't be infected, nor should nonexistant limbs.
+		germ_level = 0
+		return
+
 	if(germ_level > 0 && owner.bodytemperature >= 170)	//cryo stops germs from moving and doing their bad stuffs
 		//Syncing germ levels with external wounds
 		for(var/datum/wound/W in wounds)

code/modules/surgery/robolimbs.dm

@@ -4,7 +4,7 @@
 //////////////////////////////////////////////////////////////////
 
 /datum/surgery_step/limb/
-	can_infect = 1
+	can_infect = 0
 	can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
 		if (!hasorgans(target))
 			return 0
@@ -125,7 +125,6 @@
 
 /datum/surgery_step/limb/attach
 	allowed_tools = list(/obj/item/robot_parts = 100)
-	can_infect = 0
 
 	min_duration = 80
 	max_duration = 100
@@ -148,6 +147,8 @@
 		var/datum/organ/external/affected = target.get_organ(target_zone)
 		user.visible_message("\blue [user] has attached [tool] where [target]'s [affected.display_name] used to be.",	\
 		"\blue You have attached [tool] where [target]'s [affected.display_name] used to be.")
+
+		affected.germ_level = 0
 		affected.robotize()
 		if(L.sabotaged)
 			affected.sabotaged = 1
@@ -162,4 +163,4 @@
 		var/datum/organ/external/affected = target.get_organ(target_zone)
 		user.visible_message("\red [user]'s hand slips, damaging connectors on [target]'s [affected.display_name]!", \
 		"\red Your hand slips, damaging connectors on [target]'s [affected.display_name]!")
-		target.apply_damage(10, BRUTE, affected)
+		target.apply_damage(10, BRUTE, affected)