Cauterize surgery checks for lit implements, tweak lighter/flamethrowers/cautery so they deal burn when appropriate (#28141)

* stay cool

* Cautery is also weird like that too

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

@@ -231,11 +231,13 @@
 	to_chat(user, "<span class='notice'>You [lit ? "extinguish" : "ignite"] [src]!</span>")
 	lit = !lit
 	if(lit)
+		damtype = BURN
 		START_PROCESSING(SSobj, src)
 		if(!warned_admins)
 			message_admins("[ADMIN_LOOKUPFLW(user)] has lit a flamethrower.")
 			warned_admins = TRUE
 	else
+		damtype = initial(damtype)
 		STOP_PROCESSING(SSobj,src)
 	update_icon()
 

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

@@ -78,7 +78,7 @@
 	hitsound = "swing_hit"
 	force = 0
 	attack_verb = null //human_defense.dm takes care of it
-
+	damtype = initial(damtype)
 	update_icon()
 	if(user)
 		show_off_message(user)

code/modules/surgery/generic.dm

@@ -180,6 +180,12 @@
 	failure_sound = 'sound/items/welder.ogg'
 	time = 2.4 SECONDS
 
+/datum/surgery_step/generic/cauterize/tool_check(mob/user, obj/item/tool)
+	if(tool.damtype != BURN)
+		to_chat(user, "<span class='warning'>[tool] is too cold to cauterize!</span>")
+		return FALSE
+	return TRUE
+
 /datum/surgery_step/generic/cauterize/begin_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool, datum/surgery/surgery)
 	var/obj/item/organ/external/affected = target.get_organ(target_zone)
 	user.visible_message(

code/modules/surgery/tools.dm

@@ -52,6 +52,7 @@
 	materials = list(MAT_METAL=2500, MAT_GLASS=750)
 	flags = CONDUCT
 	w_class = WEIGHT_CLASS_TINY
+	damtype = BURN
 	origin_tech = "materials=1;biotech=1"
 	attack_verb = list("burnt")
 	tool_behaviour = TOOL_CAUTERY