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/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