refactors butchering of humans with chainsaw/meatcleaver (#16812)

* traits

* examine

* I am incapable of writing

Co-authored-by: SteelSlayer <42044220+SteelSlayer@users.noreply.github.com>

* people

Co-authored-by: SteelSlayer <42044220+SteelSlayer@users.noreply.github.com>

code/game/objects/items.dm

@@ -228,6 +228,9 @@ GLOBAL_DATUM_INIT(fire_overlay, /image, image("icon" = 'icons/goonstation/effect
 		msg += "*--------*"
 		. += msg
 
+	if(HAS_TRAIT(src, TRAIT_BUTCHERS_HUMANS))
+		. += "<span class='warning'>Can be used to butcher dead people into meat while on harm intent.</span>"
+
 /obj/item/burn()
 	if(!QDELETED(src))
 		var/turf/T = get_turf(src)

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

@@ -154,6 +154,10 @@
 	force = 25
 	throwforce = 15
 
+/obj/item/kitchen/knife/butcher/meatcleaver/Initialize(mapload)
+	. = ..()
+	ADD_TRAIT(src, TRAIT_BUTCHERS_HUMANS, ROUNDSTART_TRAIT)
+
 /obj/item/kitchen/knife/combat
 	name = "combat knife"
 	icon_state = "combatknife"

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

@@ -639,6 +639,10 @@
 	if(.)
 		flags &= ~NODROP
 
+/obj/item/twohanded/chainsaw/Initialize(mapload)
+	. = ..()
+	ADD_TRAIT(src, TRAIT_BUTCHERS_HUMANS, ROUNDSTART_TRAIT)
+
 // SINGULOHAMMER
 /obj/item/twohanded/singularityhammer
 	name = "singularity hammer"