i think it works

MAJOR antag backend update
- you cannot bruteforce the pen anymore
- uplink now uses bitflag to lock purchases
- poplock is handled entirely by the buyable uplink items
- tgui antag intro (for selected ones)

code/modules/vending/sustenance.dm

@@ -2,21 +2,24 @@
 	name = "\improper Sustenance Vendor"
 	desc = "A vending machine which vends food, as required by section 47-C of the NT's Prisoner Ethical Treatment Agreement."
 	product_slogans = "Enjoy your meal.;Enough calories to support strenuous labor."
-	product_ads = "Sufficiently healthy.;Efficiently produced tofu!;Mmm! So good!;Have a meal.;You need food to live!;Have some more candy corn!;Try our new ice cups!"
+	product_ads = "Sufficiently healthy.;Efficiently produced tofu!;Mmm! So good!;Have a meal.;You need food to live!;Even prisoners deserve their daily bread!;Have some more candy corn!;Try our new ice cups!"
+	light_mask = "snack-light-mask"
 	icon_state = "sustenance"
 	products = list(/obj/item/reagent_containers/food/snacks/tofu = 24,
 					/obj/item/reagent_containers/food/drinks/ice/sustanance = 12,
-					/obj/item/reagent_containers/food/snacks/candy_corn = 6)
+					/obj/item/reagent_containers/food/snacks/candy_corn = 6
+					)
 	contraband = list(/obj/item/kitchen/knife = 6,
 					/obj/item/reagent_containers/food/drinks/coffee = 12,
 					/obj/item/tank/internals/emergency_oxygen = 6,
-					/obj/item/clothing/mask/breath = 6)
-	armor = list("melee" = 100, "bullet" = 100, "laser" = 100, "energy" = 100, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 100, "acid" = 50)
+					/obj/item/clothing/mask/breath = 6
+					)
+
 	refill_canister = /obj/item/vending_refill/sustenance
-	resistance_flags = FIRE_PROOF
 	default_price = PRICE_FREE
 	extra_price = PRICE_FREE
 	payment_department = NO_FREEBIES
 
 /obj/item/vending_refill/sustenance
-	icon_state = "refill_cook"
+	machine_name = "Sustenance Vendor"
+	icon_state = "refill_snack"