directional beanbag chairs

GainStation13/code/modules/food_and_drinks/bigbottle.dm

@@ -11,6 +11,7 @@
 	icon = 'GainStation13/icons/obj/food/bigbottle.dmi'
 	icon_state = "bigbottle"
 	list_reagents = list(/datum/reagent/consumable/space_cola = 25)
+	custom_materials = list(/datum/material/plastic=200)
 	foodtype = SUGAR
 
 /obj/item/reagent_containers/food/drinks/bigbottle/starkist
@@ -33,3 +34,32 @@
 	icon_state = "bigbottle_spr"
 	list_reagents = list(/datum/reagent/consumable/space_up = 80)
 	foodtype = SUGAR
+
+/obj/item/reagent_containers/food/drinks/bigbottle/update_icon()
+  cut_overlays()
+  var/mutable_appearance/reagent_overlay = mutable_appearance(icon, "reagent")
+  if(reagents.reagent_list.len)
+    var/datum/reagent/R = reagents.get_master_reagent()
+    if(!renamedByPlayer)
+      name = "bottle of" + R.name
+      desc = R.glass_desc
+
+    var/percent = round((reagents.total_volume / volume) * 100)
+    switch(percent)
+      if(0)
+        reagent_overlay.icon_state = "reagent0"
+      if(1 to 19)
+        reagent_overlay.icon_state = "reagent20"
+      if(20 to 39)
+        reagent_overlay.icon_state = "reagent40"
+      if(40 to 59)
+        reagent_overlay.icon_state = "reagent60"
+      if(60 to 79)
+        reagent_overlay.icon_state = "reagent80"
+      if(80 to 100)
+        reagent_overlay.icon_state = "reagent100"
+    reagent_overlay.color = mix_color_from_reagents(reagents.reagent_list)
+    add_overlay(reagent_overlay)
+  else
+    reagent_overlay.icon_state = "reagent0"
+  add_overlay(reagent_overlay)