Porting smartfridge improvements.

code/modules/food_and_drinks/kitchen_machinery/smartfridge.dm

@@ -15,6 +15,7 @@
 	var/max_n_of_items = 1500
 	var/allow_ai_retrieve = FALSE
 	var/list/initial_contents
+	var/visible_contents = TRUE
 
 /obj/machinery/smartfridge/Initialize()
 	. = ..()
@@ -37,11 +38,21 @@
 	update_icon()
 
 /obj/machinery/smartfridge/update_icon()
-	var/startstate = initial(icon_state)
 	if(!stat)
-		icon_state = startstate
+		if(visible_contents)
+			switch(contents.len)
+				if(0)
+					icon_state = "[initial(icon_state)]"
+				if(1 to 25)
+					icon_state = "[initial(icon_state)]1"
+				if(26 to 75)
+					icon_state = "[initial(icon_state)]2"
+				if(76 to INFINITY)
+					icon_state = "[initial(icon_state)]3"
+		else
+			icon_state = "[initial(icon_state)]"
 	else
-		icon_state = "[startstate]-off"
+		icon_state = "[initial(icon_state)]-off"
 
 
 
@@ -50,7 +61,11 @@
 ********************/
 
 /obj/machinery/smartfridge/attackby(obj/item/O, mob/user, params)
-	if(default_deconstruction_screwdriver(user, "smartfridge_open", "smartfridge", O))
+	if(default_deconstruction_screwdriver(user, icon_state, icon_state, O))
+		cut_overlays()
+		if(panel_open)
+			add_overlay("[initial(icon_state)]-panel")
+		updateUsrDialog()
 		return
 
 	if(default_pry_open(O))
@@ -64,49 +79,53 @@
 		updateUsrDialog()
 		return
 
-	if(!stat)
+	if(user.a_intent == INTENT_HARM)
+		return ..()
 
-		if(contents.len >= max_n_of_items)
-			to_chat(user, "<span class='warning'>\The [src] is full!</span>")
-			return FALSE
-
-		if(accept_check(O))
-			load(O)
-			user.visible_message("[user] has added \the [O] to \the [src].", "<span class='notice'>You add \the [O] to \the [src].</span>")
-			updateUsrDialog()
-			return TRUE
-
-		if(istype(O, /obj/item/storage/bag))
-			var/obj/item/storage/P = O
-			var/loaded = 0
-			for(var/obj/G in P.contents)
-				if(contents.len >= max_n_of_items)
-					break
-				if(accept_check(G))
-					load(G)
-					loaded++
-			updateUsrDialog()
-
-			if(loaded)
-				if(contents.len >= max_n_of_items)
-					user.visible_message("[user] loads \the [src] with \the [O].", \
-									 "<span class='notice'>You fill \the [src] with \the [O].</span>")
-				else
-					user.visible_message("[user] loads \the [src] with \the [O].", \
-										 "<span class='notice'>You load \the [src] with \the [O].</span>")
-				if(O.contents.len > 0)
-					to_chat(user, "<span class='warning'>Some items are refused.</span>")
-				return TRUE
-			else
-				to_chat(user, "<span class='warning'>There is nothing in [O] to put in [src]!</span>")
-				return FALSE
-
-	if(user.a_intent != INTENT_HARM)
-		to_chat(user, "<span class='warning'>\The [src] smartly refuses [O].</span>")
+	if(stat)
 		updateUsrDialog()
 		return FALSE
-	else
-		return ..()
+
+	if(contents.len >= max_n_of_items)
+		to_chat(user, "<span class='warning'>\The [src] is full!</span>")
+		return FALSE
+
+	if(accept_check(O))
+		load(O)
+		user.visible_message("[user] has added \the [O] to \the [src].", "<span class='notice'>You add \the [O] to \the [src].</span>")
+		updateUsrDialog()
+		if (visible_contents)
+			update_icon()
+		return TRUE
+
+	if(istype(O, /obj/item/storage/bag))
+		var/obj/item/storage/P = O
+		var/loaded = 0
+		for(var/obj/G in P.contents)
+			if(contents.len >= max_n_of_items)
+				break
+			if(accept_check(G))
+				load(G)
+				loaded++
+		updateUsrDialog()
+
+		if(loaded)
+			if(contents.len >= max_n_of_items)
+				user.visible_message("[user] loads \the [src] with \the [O].", \
+								 "<span class='notice'>You fill \the [src] with \the [O].</span>")
+			else
+				user.visible_message("[user] loads \the [src] with \the [O].", \
+									 "<span class='notice'>You load \the [src] with \the [O].</span>")
+			if(O.contents.len > 0)
+				to_chat(user, "<span class='warning'>Some items are refused.</span>")
+			return TRUE
+		else
+			to_chat(user, "<span class='warning'>There is nothing in [O] to put in [src]!</span>")
+			return FALSE
+
+	to_chat(user, "<span class='warning'>\The [src] smartly refuses [O].</span>")
+	updateUsrDialog()
+	return FALSE
 
 
 
@@ -186,6 +205,8 @@
 							O.forceMove(drop_location())
 							adjust_item_drop_location(O)
 						break
+				if (visible_contents)
+					update_icon()
 				return TRUE
 
 			for(var/obj/item/O in src)
@@ -195,6 +216,8 @@
 					O.forceMove(drop_location())
 					adjust_item_drop_location(O)
 					desired--
+			if (visible_contents)
+				update_icon()
 			return TRUE
 	return FALSE
 
@@ -210,6 +233,7 @@
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 5
 	active_power_usage = 200
+	visible_contents = FALSE
 	var/drying = FALSE
 
 /obj/machinery/smartfridge/drying_rack/Initialize()
@@ -414,6 +438,7 @@
 	name = "disk compartmentalizer"
 	desc = "A machine capable of storing a variety of disks. Denoted by most as the DSU (disk storage unit)."
 	icon_state = "disktoaster"
+	visible_contents = FALSE
 	pass_flags = PASSTABLE
 
 /obj/machinery/smartfridge/disks/accept_check(obj/item/O)