/obj/item/weapon/reagent_containers/blood/attack_self(mob/living/user as mob)
	if(user.a_intent == I_HURT)
		if(reagents.total_volume && volume)
			var/remove_volume = volume* 0.1 //10% of what the bloodpack can hold.
			var/reagent_to_remove = reagents.get_master_reagent_id()
			switch(reagents.get_master_reagent_id())
				if("blood")
					user.show_message("<span class='warning'>You sink your fangs into \the [src] and suck the blood out of it!</span>")
					user.visible_message("<font color='red'>[user] sinks their fangs into \the [src] and drains it!</font>")
					user.adjust_nutrition(remove_volume*5)
					reagents.remove_reagent(reagent_to_remove, remove_volume)
					update_icon()
					return
				else
					user.show_message("<span class='warning'>You take a look at \the [src] and notice that it is not filled with blood!</span>")
					return
		else
			user.show_message("<span class='warning'>You take a look at \the [src] and notice it has nothing in it!</span>")
			return
	else
		return

/obj/item/weapon/reagent_containers/blood/prelabeled
	name = "IV Pack"
	desc = "Holds liquids used for transfusion. This one's label seems to be hardprinted."

/obj/item/weapon/reagent_containers/blood/prelabeled/update_iv_label()
	return

/obj/item/weapon/reagent_containers/blood/prelabeled/APlus
	name = "IV Pack (A+)"
	desc = "Holds liquids used for transfusion. This one's label seems to be hardprinted. This one is labeled A+"
	blood_type = "A+"

/obj/item/weapon/reagent_containers/blood/prelabeled/AMinus
	name = "IV Pack (A-)"
	desc = "Holds liquids used for transfusion. This one's label seems to be hardprinted. This one is labeled A_"
	blood_type = "A-"

/obj/item/weapon/reagent_containers/blood/prelabeled/BPlus
	name = "IV Pack (B+)"
	desc = "Holds liquids used for transfusion. This one's label seems to be hardprinted. This one is labeled B+"
	blood_type = "B+"

/obj/item/weapon/reagent_containers/blood/prelabeled/BMinus
	name = "IV Pack (B-)"
	desc = "Holds liquids used for transfusion. This one's label seems to be hardprinted. This one is labeled B-"
	blood_type = "B-"

/obj/item/weapon/reagent_containers/blood/prelabeled/OPlus
	name = "IV Pack (O+)"
	desc = "Holds liquids used for transfusion. This one's label seems to be hardprinted. This one is labeled O+"
	blood_type = "O+"

/obj/item/weapon/reagent_containers/blood/prelabeled/OMinus
	name = "IV Pack (O-)"
	desc = "Holds liquids used for transfusion. This one's label seems to be hardprinted. This one is labeled O-"
	blood_type = "O-"