Fixes AI damage. (#8087)

Fixes AIs being invincible.

code/modules/mob/living/carbon/brain/life.dm

@@ -55,7 +55,8 @@
 	return //TODO: DEFERRED
 
 /mob/living/carbon/brain/proc/handle_temperature_damage(body_part, exposed_temperature, exposed_intensity)
-	if(status_flags & GODMODE) return
+	if(status_flags & GODMODE)
+		return
 
 	if(exposed_temperature > bodytemperature)
 		var/discomfort = min( abs(exposed_temperature - bodytemperature)*(exposed_intensity)/2000000, 1.0)

code/modules/mob/living/silicon/ai/ai.dm

@@ -48,6 +48,11 @@ var/list/ai_verbs_default = list(
 	anchored = 1 // -- TLE
 	density = 1
 	status_flags = CANSTUN|CANPARALYSE|CANPUSH
+
+	var/fireloss = 0
+	var/bruteloss = 0
+	var/oxyloss = 0
+
 	//shouldnt_see - set in New()
 	var/list/network = list("Station")
 	var/obj/machinery/camera/camera = null
@@ -189,6 +194,19 @@ var/list/ai_verbs_default = list(
 	ai_list += src
 	return ..()
 
+/mob/living/silicon/ai/Destroy()
+	QDEL_NULL(aiPDA)
+	QDEL_NULL(aiMulti)
+	QDEL_NULL(aiRadio)
+	ai_list -= src
+	destroy_eyeobj()
+	QDEL_NULL(psupply)
+	QDEL_NULL(aiMulti)
+	QDEL_NULL(aiRadio)
+	QDEL_NULL(aiCamera)
+
+	return ..()
+
 /mob/living/silicon/ai/proc/init_powersupply()
 	new /obj/machinery/ai_powersupply(src)
 
@@ -218,18 +236,49 @@ var/list/ai_verbs_default = list(
 	setup_icon()
 	eyeobj.possess(src)
 
-/mob/living/silicon/ai/Destroy()
-	QDEL_NULL(aiPDA)
-	QDEL_NULL(aiMulti)
-	QDEL_NULL(aiRadio)
-	ai_list -= src
-	destroy_eyeobj()
-	QDEL_NULL(psupply)
-	QDEL_NULL(aiMulti)
-	QDEL_NULL(aiRadio)
-	QDEL_NULL(aiCamera)
+/mob/living/silicon/ai/getFireLoss()
+	return fireloss
 
-	return ..()
+/mob/living/silicon/ai/getBruteLoss()
+	return bruteloss
+
+/mob/living/silicon/ai/getOxyLoss()
+	return oxyloss
+
+/mob/living/silicon/ai/adjustFireLoss(var/amount)
+	if(status_flags & GODMODE)
+		return
+	fireloss = max(0, fireloss + min(amount, health))
+
+/mob/living/silicon/ai/adjustBruteLoss(var/amount)
+	if(status_flags & GODMODE)
+		return
+	bruteloss = max(0, bruteloss + min(amount, health))
+
+/mob/living/silicon/ai/adjustOxyLoss(var/amount)
+	if(status_flags & GODMODE)
+		return
+	oxyloss = max(0, oxyloss + min(amount, maxHealth - oxyloss))
+
+/mob/living/silicon/ai/setFireLoss(var/amount)
+	if(status_flags & GODMODE)
+		fireloss = 0
+		return
+	fireloss = max(0, amount)
+
+/mob/living/silicon/ai/setOxyLoss(var/amount)
+	if(status_flags & GODMODE)
+		oxyloss = 0
+		return
+	oxyloss = max(0, amount)
+
+/mob/living/silicon/ai/updatehealth()
+	if(status_flags & GODMODE)
+		health = maxHealth
+		stat = CONSCIOUS
+		setOxyLoss(0)
+	else
+		health = maxHealth - getFireLoss() - getBruteLoss() // Oxyloss is not part of health as it represents AIs backup power. AI is immune against ToxLoss as it is machine.
 
 /mob/living/silicon/ai/proc/setup_icon()
 	var/datum/custom_synth/sprite = robot_custom_icons[name]

code/modules/mob/living/silicon/ai/life.dm

@@ -139,14 +139,6 @@
 	var/area/A = get_area(src)
 	return ((!A.power_equip) && A.requires_power == 1 || istype(T, /turf/space)) && !istype(src.loc,/obj/item)
 
-/mob/living/silicon/ai/updatehealth()
-	if(status_flags & GODMODE)
-		health = 100
-		stat = CONSCIOUS
-		setOxyLoss(0)
-	else
-		health = 100 - getFireLoss() - getBruteLoss() // Oxyloss is not part of health as it represents AIs backup power. AI is immune against ToxLoss as it is machine.
-
 /mob/living/silicon/ai/rejuvenate()
 	..()
 	add_ai_verbs(src)

code/modules/mob/living/silicon/ai/malf.dm

@@ -102,11 +102,11 @@
 
 // Returns percentage of AI's remaining backup capacitor charge (maxhealth - oxyloss).
 /mob/living/silicon/ai/proc/backup_capacitor()
-	return ((200 - getOxyLoss()) / 2)
+	return ((getOxyLoss() - maxHealth) / maxHealth) * -100
 
 // Returns percentage of AI's remaining hardware integrity (maxhealth - (bruteloss + fireloss))
 /mob/living/silicon/ai/proc/hardware_integrity()
-	return (health-config.health_threshold_dead)/2
+	return (health / maxHealth) * 100
 
 // Shows capacitor charge and hardware integrity information to the AI in Status tab.
 /mob/living/silicon/ai/show_system_integrity()