mobility refactor (#52929)

code/modules/spells/spell_types/ethereal_jaunt.dm

@@ -87,7 +87,7 @@
 		AM.forceMove(get_turf(src))
 	return ..()
 
-/obj/effect/dummy/phased_mob/spell_jaunt/relaymove(mob/user, direction)
+/obj/effect/dummy/phased_mob/spell_jaunt/relaymove(mob/living/user, direction)
 	if ((movedelay > world.time) || reappearing || !direction)
 		return
 	var/turf/newLoc = get_step(src,direction)

code/modules/spells/spell_types/shadow_walk.dm

@@ -45,7 +45,7 @@
 	invisibility = 60
 	resistance_flags = LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
 
-/obj/effect/dummy/phased_mob/shadow/relaymove(mob/user, direction)
+/obj/effect/dummy/phased_mob/shadow/relaymove(mob/living/user, direction)
 	var/turf/newLoc = get_step(src,direction)
 	if(isspaceturf(newLoc))
 		to_chat(user, "<span class='warning'>It really would not be wise to go into space.</span>")

code/modules/spells/spell_types/touch_attacks.dm

@@ -48,7 +48,7 @@
 	attached_hand.attached_spell = src
 	if(!user.put_in_hands(attached_hand))
 		remove_hand(TRUE)
-		if (user.get_num_arms() <= 0)
+		if (user.usable_hands == 0)
 			to_chat(user, "<span class='warning'>You dont have any usable hands!</span>")
 		else
 			to_chat(user, "<span class='warning'>Your hands are full!</span>")