prevents xenos catching thrown items they can't hold (#21766)

* prevents xenos catching thrown items they can't hold

* gogo gadget duplicate code

* trait solution

code/modules/mob/living/carbon/alien/alien_defense.dm

@@ -1,5 +1,8 @@
 /mob/living/carbon/alien/hitby(atom/movable/AM, skipcatch, hitpush, blocked, datum/thrownthing/throwingdatum)
-	..(AM, hitpush = FALSE)
+	if(!skipcatch && in_throw_mode && !HAS_TRAIT(src, TRAIT_HANDS_BLOCKED) && HAS_TRAIT(AM, TRAIT_XENO_INTERACTABLE) && !restrained())
+		throw_mode_off()
+		AM.attack_hand(src)
+	..(AM, skipcatch = TRUE, hitpush = FALSE)
 
 /*Code for aliens attacking aliens. Because aliens act on a hivemind, I don't see them as very aggressive with each other.
 As such, they can either help or harm other aliens. Help works like the human help command while harm is a simple nibble.

code/modules/mob/living/carbon/alien/special/facehugger.dm

@@ -27,6 +27,7 @@
 /obj/item/clothing/mask/facehugger/Initialize(mapload)
 	. = ..()
 	AddComponent(/datum/component/proximity_monitor)
+	ADD_TRAIT(src, TRAIT_XENO_INTERACTABLE, UID())
 
 /obj/item/clothing/mask/facehugger/take_damage(damage_amount, damage_type = BRUTE, damage_flag = 0, sound_effect = 1, attack_dir)
 	..()
@@ -36,9 +37,6 @@
 /obj/item/clothing/mask/facehugger/attackby(obj/item/O, mob/user, params)
 	return O.attack_obj(src, user, params)
 
-/obj/item/clothing/mask/facehugger/attack_alien(mob/user) //can be picked up by aliens
-	return attack_hand(user)
-
 /obj/item/clothing/mask/facehugger/attack_hand(mob/user)
 	if((stat != DEAD && !sterile) && !isalien(user))
 		if(Attach(user))

code/modules/mob/living/carbon/carbon_defense.dm

@@ -8,9 +8,9 @@
 			if(AM.GetComponent(/datum/component/two_handed))
 				if(get_inactive_hand())
 					return FALSE
+			throw_mode_off()
 			put_in_active_hand(AM)
 			visible_message("<span class='warning'>[src] catches [AM]!</span>")
-			throw_mode_off()
 			SEND_SIGNAL(src, COMSIG_CARBON_THROWN_ITEM_CAUGHT, AM)
 			return TRUE
 	return ..()