Adds in limb replacement surgery, robolimbs, and all the crap for them. They can take more damage, require wires and welder to repair, but malfunction when they get more damaged, and explode when destroyed.

code/game/objects/items/weapons/hydroponics.dm

@@ -82,9 +82,9 @@ Deathnettle
 /obj/item/weapon/grown/nettle/pickup(mob/living/carbon/human/user as mob)
 	if(!user.gloves)
 		user << "\red The nettle burns your bare hand!"
-		if(istype(user, /mob/living/carbon/human))
+		if(hasorgans(user))
 			var/organ = ((user.hand ? "l_":"r_") + "arm")
-			var/datum/organ/external/affecting = user.get_organ(organ)
+			var/datum/organ/external/affecting = user:get_organ(organ)
 			affecting.take_damage(0,force)
 		else
 			user.take_organ_damage(0,force)
@@ -101,9 +101,9 @@ Deathnettle
 
 /obj/item/weapon/grown/deathnettle/pickup(mob/living/carbon/human/user as mob)
 	if(!user.gloves)
-		if(istype(user, /mob/living/carbon/human))
+		if(hasorgans(user))
 			var/organ = ((user.hand ? "l_":"r_") + "arm")
-			var/datum/organ/external/affecting = user.get_organ(organ)
+			var/datum/organ/external/affecting = user:get_organ(organ)
 			affecting.take_damage(0,force)
 		else
 			user.take_organ_damage(0,force)

code/game/objects/items/weapons/medical.dm

@@ -43,6 +43,10 @@ MEDICAL
 			use(1)
 			return
 
+		if(affecting.robot)
+			user << "Medical equipment for a robot arm?  Better get a welder..."
+			return
+
 		for(var/datum/organ/wound/W in affecting.wounds)
 			if(W.bleeding || !W.is_healing)
 				if(heal_brute && W.wound_type == 2)
@@ -157,6 +161,9 @@ MEDICAL
 			affecting.gauzed = 1
 			use(1)
 			return
+		if(affecting.robot)
+			user << "Medical equipment for a robot arm?  Better get a welder..."
+			return
 
 		for(var/datum/organ/wound/W in affecting.wounds)
 			if(W.bleeding || !W.healing_state)

code/game/objects/items/weapons/surgery_limbattachment.dm

@@ -45,6 +45,7 @@
 				var/datum/organ/external/T = H.organs["l_hand"]
 				T.attachable = 0
 				T.destroyed = 0
+				T.broken = 0
 				T.robot = 1
 				user.drop_item()
 				M.update_body()
@@ -104,6 +105,7 @@
 				var/datum/organ/external/T = H.organs["r_hand"]
 				T.attachable = 0
 				T.destroyed = 0
+				T.broken = 0
 				T.robot = 1
 				user.drop_item()
 				M.update_body()
@@ -162,6 +164,7 @@
 				var/datum/organ/external/T = H.organs["l_foot"]
 				T.attachable = 0
 				T.destroyed = 0
+				T.broken = 0
 				T.robot = 1
 				user.drop_item()
 				M.update_body()
@@ -221,6 +224,7 @@
 				var/datum/organ/external/T = H.organs["r_foot"]
 				T.attachable = 0
 				T.destroyed = 0
+				T.broken = 0
 				T.robot = 1
 				user.drop_item()
 				M.update_body()

code/game/objects/items/weapons/surgery_tools.dm

@@ -246,6 +246,10 @@ CIRCULAR SAW
 	if(S.destroyed)
 		return ..()
 
+	if(S.robot)
+		user << "Medical equipment for a robot arm?  How would that do any good..."
+		return
+
 	if(!S.open)
 		user << "\red There is skin in the way!"
 		return 0
@@ -556,6 +560,10 @@ CIRCULAR SAW
 	if(S.destroyed)
 		return ..()
 
+	if(S.robot)
+		user << "Medical equipment for a robot arm?  How would that do any good..."
+		return
+
 	if(!S.open)
 		user << "\red There is skin in the way!"
 		return 0
@@ -764,6 +772,9 @@ CIRCULAR SAW
 	if(!S.open)
 		usr << "<b>You have to cut the limb open first!</b>"
 		return
+	if(S.robot)
+		user << "Medical equipment for a robot arm?  How would that do any good..."
+		return
 	for(var/mob/O in viewers(M))
 		O.show_message("\red [user.name] scans the wounds on [M.name]'s [S.display_name] with \the [src.name]", 1)
 
@@ -977,6 +988,10 @@ CIRCULAR SAW
 
 	if(S.destroyed)
 		user << "What [S.display_name]?"
+
+	if(S.robot)
+		user << "Medical equipment for a robot arm?  How would that do any good..."
+		return
 	if(!S.open)
 		user << "\red There is no wound to close up!"
 		return 0
@@ -1366,6 +1381,10 @@ CIRCULAR SAW
 	if(S.destroyed)
 		return ..()
 
+	if(S.robot)
+		user << "Medical equipment for a robot arm?  How would that do any good..."
+		return
+
 	if(S.open)
 		user << "\red The wound is already open!"
 		return 0
@@ -1559,6 +1578,14 @@ CIRCULAR SAW
 		var/datum/organ/external/S = H:organs[user.zone_sel.selecting]
 		if(S.destroyed)
 			return
+
+		if(S.robot)
+			var/datum/effect/effect/system/spark_spread/spark_system = new /datum/effect/effect/system/spark_spread()
+			spark_system.set_up(5, 0, M)
+			spark_system.attach(M)
+			spark_system.start()
+			spawn(10)
+				del(spark_system)
 		for(var/mob/O in viewers(H, null))
 			O.show_message(text("\red [H] gets \his [S.display_name] sawed at with [src] by [user]... It looks like [user] is trying to cut it off!"), 1)
 		if(!do_after(user, rand(20,80)))

code/game/objects/items/weapons/tiles_wires.dm

@@ -25,4 +25,24 @@ TILES
 		user << "\blue You are not using this to lay wire..."
 	return
 
+/obj/item/weapon/wire/attack(mob/M as mob, mob/user as mob)
+	if(hasorgans(M))
+		var/datum/organ/external/S = M:organs[user.zone_sel.selecting]
+		if(!S.robot || user.a_intent != "help")
+			return ..()
+		if(S.brute_dam)
+			S.heal_damage(0,15,0,1)
+			if(user != M)
+				user.visible_message("\red You repair some burn damage on \the [M]'s [S.display_name]",\
+				"\red \The [user] repairs some burn damage on \the [M]'s [S.display_name] with \the [src]",\
+				"You wires being cut.")
+			else
+				user.visible_message("\red You repair some burn damage on your [S.display_name]",\
+				"\red \The [user] repairs some burn damage on their [S.display_name] with \the [src]",\
+				"You wires being cut.")
+		else
+			user << "Nothing to fix!"
+	else
+		return ..()
+
 

code/game/objects/items/weapons/tools.dm

@@ -260,6 +260,26 @@ WELDINGTOOOL
 				user.disabilities &= ~1
 		return
 
+	attack(mob/M as mob, mob/user as mob)
+		if(hasorgans(M))
+			var/datum/organ/external/S = M:organs[user.zone_sel.selecting]
+			if(!S.robot || user.a_intent != "help")
+				return ..()
+			if(S.brute_dam)
+				S.heal_damage(15,0,0,1)
+				if(user != M)
+					user.visible_message("\red You patch some dents on \the [M]'s [S.display_name]",\
+					"\red \The [user] patches some dents on \the [M]'s [S.display_name] with \the [src]",\
+					"You hear a welder.")
+				else
+					user.visible_message("\red You patch some dents on your [S.display_name]",\
+					"\red \The [user] patches some dents on their [S.display_name] with \the [src]",\
+					"You hear a welder.")
+			else
+				user << "Nothing to fix!"
+		else
+			return ..()
+
 
 /obj/item/weapon/weldingtool/largetank
 	name = "Industrial Welding Tool"

code/game/objects/stacks/glass.dm

@@ -214,6 +214,8 @@ SHARDS
 			var/mob/living/carbon/human/H = M
 			if(!((H.shoes) || (H.wear_suit && H.wear_suit.body_parts_covered & FEET)))
 				var/datum/organ/external/affecting = H.get_organ(pick("l_foot", "r_foot"))
+				if(affecting.robot)
+					return
 				H.Weaken(3)
 				affecting.take_damage(5, 0)
 				H.UpdateDamageIcon()

code/game/objects/weapons.dm

@@ -132,12 +132,12 @@
 			if("feet")
 				if(!H.shoes)
 					affecting = H.get_organ(pick("l_leg", "r_leg"))
-					H.Weaken(3)
+					if(!affecting.robot) H.Weaken(3)
 			if("l_hand", "r_hand")
 				if(!H.gloves)
 					affecting = H.get_organ(type)
-					H.Stun(3)
-		if(affecting)
+					if(!affecting.robot) H.Stun(3)
+		if(affecting && !affecting.robot)
 			affecting.take_damage(1, 0)
 			H.UpdateDamageIcon()
 			H.updatehealth()