Xenomorph Tweaks/Buffs.

code/game/objects/buckling.dm

@@ -11,6 +11,9 @@
 	if(can_buckle && buckled_mob)
 		user_unbuckle_mob(user)
 
+/obj/proc/attack_alien(mob/user as mob) //For calling in the event of Xenomorph or other alien checks.
+	return
+
 /obj/attack_robot(mob/living/user)
 	if(Adjacent(user) && buckled_mob) //Checks if what we're touching is adjacent to us and has someone buckled to it. This should prevent interacting with anti-robot manual valves among other things.
 		return attack_hand(user) //Process as if we're a normal person touching the object.