Make stack amount var private

code/modules/power/apc.dm

@@ -559,7 +559,7 @@ GLOBAL_LIST_EMPTY(apcs)
 							"You start adding cables to the APC frame...")
 		playsound(src, 'sound/items/Deconstruct.ogg', 50, 1)
 		if(do_after(user, 20))
-			if(C.amount >= 10 && !terminal && opened && has_electronics != APC_HAS_ELECTRONICS_SECURED)
+			if(C.get_amount() >= 10 && !terminal && opened && has_electronics != APC_HAS_ELECTRONICS_SECURED)
 				var/obj/structure/cable/N = T.get_cable_node()
 				if(prob(50) && electrocute_mob(usr, N, N))
 					var/datum/effect/effect/system/spark_spread/s = new /datum/effect/effect/system/spark_spread

code/modules/power/port_gen.dm

@@ -163,10 +163,8 @@
 //Removes one stack's worth of material from the generator.
 /obj/machinery/power/port_gen/pacman/DropFuel()
 	if(sheets)
-		var/obj/item/stack/material/S = new sheet_path(loc)
-		var/amount = min(sheets, S.max_amount)
-		S.amount = amount
-		sheets -= amount
+		var/obj/item/stack/material/S = new sheet_path(loc, sheets)
+		sheets -= S.get_amount()
 
 /obj/machinery/power/port_gen/pacman/UseFuel()
 
@@ -265,7 +263,7 @@
 /obj/machinery/power/port_gen/pacman/attackby(var/obj/item/O as obj, var/mob/user as mob)
 	if(istype(O, sheet_path))
 		var/obj/item/stack/addstack = O
-		var/amount = min((max_sheets - sheets), addstack.amount)
+		var/amount = min((max_sheets - sheets), addstack.get_amount())
 		if(amount < 1)
 			to_chat(user, "<span class='warning'>The [src.name] is full!</span>")
 			return

code/modules/power/singularity/emitter.dm

@@ -216,7 +216,7 @@
 			to_chat(user, "<span class='notice'>\The [src] is already fully repaired.</span>")
 			return
 		var/obj/item/stack/P = W
-		if(P.amount < amt)
+		if(!P.can_use(amt))
 			to_chat(user, "<span class='warning'>You don't have enough sheets to repair this! You need at least [amt] sheets.</span>")
 			return
 		to_chat(user, "<span class='notice'>You begin repairing \the [src]...</span>")

code/modules/power/solar.dm

@@ -63,8 +63,7 @@ GLOBAL_LIST_EMPTY(solars_list)
 		if(do_after(user, 50))
 			var/obj/item/solar_assembly/S = new(loc)
 			S.anchored = TRUE
-			var/obj/item/stack/glass = new glass_type(loc)
-			glass.amount = 2
+			new glass_type(loc, 2)
 			playsound(src, 'sound/items/Deconstruct.ogg', 50, 1)
 			user.visible_message("<span class='notice'>[user] takes the glass off the solar panel.</span>")
 			qdel(src)

code/modules/power/tracker.dm

@@ -58,8 +58,7 @@
 			var/obj/item/solar_assembly/S = new(loc)
 			S.tracker = TRUE
 			S.anchored = TRUE
-			var/obj/item/stack/glass = new glass_type(loc)
-			glass.amount = 2
+			new glass_type(loc, 2)
 			playsound(src, 'sound/items/Deconstruct.ogg', 50, 1)
 			user.visible_message("<span class='notice'>[user] takes the glass off the tracker.</span>")
 			qdel(src)