robotic limb related fixes (#16920)

* mednanobots now ignore robotic limbs. Arithrazine/chlorine/anything that deals damage while in-system now ignore robotic limbs.

* standardized from 1/0 to FALSE/TRUE

* Could've sworn that would have worked, but in testing it on a martian it runtimed. Damn.

code/modules/mob/living/carbon/human/human_damage.dm

@@ -34,15 +34,19 @@
 	return 0
 
 //These procs fetch a cumulative total damage from all organs
-/mob/living/carbon/human/getBruteLoss()
+/mob/living/carbon/human/getBruteLoss(var/ignore_inorganic = FALSE)
 	var/amount = 0
 	for(var/datum/organ/external/O in organs)
+		if(ignore_inorganic && !O.is_organic())
+			continue
 		amount += O.brute_dam
 	return amount
 
-/mob/living/carbon/human/getFireLoss()
+/mob/living/carbon/human/getFireLoss(var/ignore_inorganic = FALSE)
 	var/amount = 0
 	for(var/datum/organ/external/O in organs)
+		if(ignore_inorganic && !O.is_organic())
+			continue
 		amount += O.burn_dam
 	return amount
 
@@ -170,11 +174,13 @@
 	return parts
 
 //Returns a list of damageable organs
-/mob/living/carbon/human/proc/get_damageable_organs()
+/mob/living/carbon/human/proc/get_damageable_organs(var/ignore_inorganics = FALSE)
 	var/list/datum/organ/external/parts = list()
 	for(var/datum/organ/external/O in organs)
 		if(!O.is_existing())
 			continue
+		if(ignore_inorganics && !O.is_organic())
+			continue
 		if(O.brute_dam + O.burn_dam < O.max_damage)
 			parts += O
 	return parts
@@ -199,8 +205,8 @@ In most cases it makes more sense to use apply_damage() instead! And make sure t
 //Damages ONE external organ, organ gets randomly selected from damagable ones.
 //It automatically updates damage overlays if necesary
 //It automatically updates health status
-/mob/living/carbon/human/take_organ_damage(var/brute, var/burn, var/sharp = 0, var/edge = 0)
+/mob/living/carbon/human/take_organ_damage(var/brute, var/burn, var/sharp = 0, var/edge = 0, var/ignore_inorganics = FALSE)
-	var/list/datum/organ/external/parts = get_damageable_organs()
+	var/list/datum/organ/external/parts = get_damageable_organs(ignore_inorganics)
 	if(!parts.len)
 		return
 	var/datum/organ/external/picked = pick(parts)

code/modules/mob/living/living.dm

@@ -478,7 +478,7 @@
 	src.updatehealth()
 
 // damage ONE external organ, organ gets randomly selected from damaged ones.
-/mob/living/proc/take_organ_damage(var/brute, var/burn)
+/mob/living/proc/take_organ_damage(var/brute, var/burn, var/ignore_inorganics = FALSE)
 	if(status_flags & GODMODE)
 		return 0	//godmode
 	if(flags & INVULNERABLE)

code/modules/reagents/Chemistry-Reagents.dm

@@ -413,7 +413,7 @@
 		var/mob/living/carbon/human/H = M
 		if(H.species.name == "Grey")
 			M.adjustToxLoss(REM)
-			M.take_organ_damage(0, REM)
+			M.take_organ_damage(0, REM, ignore_inorganics = TRUE)
 
 /datum/reagent/water/reaction_mob(var/mob/living/M, var/method = TOUCH, var/volume)
 
@@ -923,7 +923,7 @@
 		if(isvampire(H))
 			if(!(VAMP_MATURE in H.mind.vampire.powers))
 				to_chat(H, "<span class='danger'>A freezing liquid permeates your bloodstream. Your vampiric powers fade and your insides burn.</span>")
-				H.take_organ_damage(0, 5) //FIRE
+				H.take_organ_damage(0, 5) //FIRE, MAGIC FIRE THAT BURNS ROBOTIC LIMBS TOO!
 				H.mind.vampire.smitecounter += 10 //50 units to catch on fire. Generally you'll get fucked up quickly
 			else
 				to_chat(H, "<span class='warning'>A freezing liquid permeates your bloodstream. Your vampiric powers counter most of the damage.</span>")
@@ -1155,7 +1155,7 @@
 	if(..())
 		return 1
 
-	M.take_organ_damage(REM, 0)
+	M.take_organ_damage(REM, 0, ignore_inorganics = TRUE)
 
 /datum/reagent/fluorine
 	name = "Fluorine"
@@ -2254,7 +2254,7 @@
 		return 1
 
 	if(prob(33))
-		M.take_organ_damage(REM, 0)
+		M.take_organ_damage(REM, 0, ignore_inorganics = TRUE)
 	M.adjustOxyLoss(3)
 	if(prob(20))
 		M.emote("gasp")
@@ -2505,7 +2505,7 @@
 	M.radiation = max(M.radiation - 7 * REM, 0)
 	M.adjustToxLoss(-REM)
 	if(prob(15))
-		M.take_organ_damage(1, 0)
+		M.take_organ_damage(1, 0, ignore_inorganics = TRUE)
 
 /datum/reagent/lithotorcrazine
 	name = "Lithotorcrazine"
@@ -3089,7 +3089,7 @@
 			if(ishuman(M))
 				var/mob/living/carbon/human/H = M
 				if(H.species.name != "Diona")
-					if(H.getOxyLoss()>0 || H.getBruteLoss()>0 || H.getToxLoss()>0 || H.getFireLoss()>0 || H.getCloneLoss()>0)
+					if(H.getOxyLoss()>0 || H.getBruteLoss(ignore_inorganic = TRUE)>0 || H.getToxLoss()>0 || H.getFireLoss(ignore_inorganic = TRUE)>0 || H.getCloneLoss()>0)
 						if(holder.has_reagent("mednanobots"))
 							H.adjustOxyLoss(-5)
 							H.heal_organ_damage(5, 5)