initial commit - cross reference with 5th port - obviously has compile errors

code/game/objects/items/latexballoon.dm

@@ -0,0 +1,58 @@
+/obj/item/latexballon
+	name = "latex glove"
+	desc = "Sterile and airtight."
+	icon_state = "latexballon"
+	item_state = "lgloves"
+	force = 0
+	throwforce = 0
+	w_class = 1
+	throw_speed = 1
+	throw_range = 7
+	var/state
+	var/datum/gas_mixture/air_contents = null
+
+/obj/item/latexballon/proc/blow(obj/item/weapon/tank/tank, mob/user)
+	if (icon_state == "latexballon_bursted")
+		return
+	icon_state = "latexballon_blow"
+	item_state = "latexballon"
+	user.update_inv_r_hand()
+	user.update_inv_l_hand()
+	user << "<span class='notice'>You blow up [src] with [tank].</span>"
+	air_contents = tank.remove_air_volume(3)
+
+/obj/item/latexballon/proc/burst()
+	if (!air_contents || icon_state != "latexballon_blow")
+		return
+	playsound(src, 'sound/weapons/Gunshot.ogg', 100, 1)
+	icon_state = "latexballon_bursted"
+	item_state = "lgloves"
+	if(istype(src.loc, /mob/living))
+		var/mob/living/user = src.loc
+		user.update_inv_r_hand()
+		user.update_inv_l_hand()
+	loc.assume_air(air_contents)
+
+/obj/item/latexballon/ex_act(severity, target)
+	burst()
+	switch(severity)
+		if (1)
+			qdel(src)
+		if (2)
+			if (prob(50))
+				qdel(src)
+
+/obj/item/latexballon/bullet_act()
+	burst()
+
+/obj/item/latexballon/temperature_expose(datum/gas_mixture/air, temperature, volume)
+	if(temperature > T0C+100)
+		burst()
+
+/obj/item/latexballon/attackby(obj/item/W, mob/user, params)
+	if(istype(W, /obj/item/weapon/tank))
+		var/obj/item/weapon/tank/T = W
+		blow(T, user)
+		return
+	if (is_sharp(W) || W.is_hot() || is_pointed(W))
+		burst()