keg code, far away from kegs

cause it's just a big barrel that doesn't ferment anything.

code/modules/hydroponics/fermenting_barrel.dm

@@ -73,3 +73,40 @@
 		icon_state = "barrel_open"
 	else
 		icon_state = "barrel"
+
+/obj/structure/custom_keg
+	name = "Plasteel Keg"
+	desc = "A large plasteel keg. You can use it to hold liquids. You may wanna label this, too."
+	icon = 'icons/obj/objects.dmi'
+	icon_state = "keg"
+	density = TRUE
+	anchored = FALSE
+	pressure_resistance = 2 * ONE_ATMOSPHERE
+	max_integrity = 300
+	var/open = FALSE
+
+/obj/structure/custom_keg/Initialize()
+	create_reagents(1000, DRAINABLE | AMOUNT_VISIBLE)
+	. = ..()
+
+/obj/structure/custom_keg/examine(mob/user)
+	. = ..()
+	. += "<span class='notice'>It is currently [open?"open, letting you pour liquids in.":"closed, letting you draw liquids from the tap."]</span>"
+
+/obj/structure/custom_keg/on_attack_hand(mob/user, act_intent = user.a_intent, unarmed_attack_flags)
+	open = !open
+	if(open)
+		DISABLE_BITFIELD(reagents.reagents_holder_flags, DRAINABLE)
+		ENABLE_BITFIELD(reagents.reagents_holder_flags, REFILLABLE)
+		to_chat(user, "<span class='notice'>You open [src], letting you fill it.</span>")
+	else
+		DISABLE_BITFIELD(reagents.reagents_holder_flags, REFILLABLE)
+		ENABLE_BITFIELD(reagents.reagents_holder_flags, DRAINABLE)
+		to_chat(user, "<span class='notice'>You close [src], letting you draw from its tap.</span>")
+	update_icon()
+
+/obj/structure/custom_keg/update_icon_state()
+	if(open)
+		icon_state = "keg_open"
+	else
+		icon_state = "keg"