Make stack amount var private

code/modules/materials/sheets/organic/tanning/hide.dm

@@ -24,14 +24,14 @@
 			//Try locating an exisitng stack on the tile and add to there if possible
 			var/obj/item/stack/hairlesshide/H = null
 			for(var/obj/item/stack/hairlesshide/HS in user.loc) // Could be scraping something inside a locker, hence the .loc, not get_turf
-				if(HS.amount < HS.max_amount)
+				if(HS.get_amount() < HS.max_amount)
 					H = HS
 					break
 			
 			 // Either we found a valid stack, in which case increment amount,
 			 // Or we need to make a new stack
 			if(istype(H))
-				H.amount++
+				H.add(1)
 			else
 				H = new /obj/item/stack/hairlesshide(user.loc)
 

code/modules/materials/sheets/organic/tanning/hide_hairless.dm

@@ -21,14 +21,14 @@
 	for(var/i in 1 to wateramount)
 		var/obj/item/stack/wetleather/H = null
 		for(var/obj/item/stack/wetleather/HS in get_turf(src)) // Doesn't have a user, can't just use their loc
-			if(HS.amount < HS.max_amount)
+			if(HS.get_amount() < HS.max_amount)
 				H = HS
 				break
 			
 		 // Either we found a valid stack, in which case increment amount,
 		 // Or we need to make a new stack
 		if(istype(H))
-			H.amount++
+			H.add(1)
 		else
 			H = new /obj/item/stack/wetleather(get_turf(src))
 

code/modules/materials/sheets/organic/tanning/leather_wet.dm

@@ -38,9 +38,8 @@
 			dry()
 
 /obj/item/stack/wetleather/proc/dry()
-	var/obj/item/stack/material/leather/L = new(src.loc)
-	L.amount = amount
-	use(amount)
+	var/obj/item/stack/material/leather/L = new(src.loc, get_amount())
+	use(get_amount())
 	return L
 
 /obj/item/stack/wetleather/transfer_to(obj/item/stack/S, var/tamount=null, var/type_verified)

code/modules/materials/sheets/organic/tanning/tanning_rack.dm

@@ -41,7 +41,7 @@
 				drying = A
 		else // Drying something, add if possible
 			var/obj/item/stack/wetleather/W = A
-			W.transfer_to(drying, W.amount, TRUE)
+			W.transfer_to(drying, W.get_amount(), TRUE)
 		update_icon()
 		return TRUE
 	return ..()
@@ -50,9 +50,8 @@
 	if(drying)
 		var/obj/item/stack/S = drying
 		if(!drying.wetness) // If it's dry, make a stack of dry leather and prepare to put that in their hands
-			var/obj/item/stack/material/leather/L = new(src)
-			L.amount = drying.amount
-			drying.use(drying.amount)
+			var/obj/item/stack/material/leather/L = new(src, drying.get_amount())
+			drying.set_amount(0)
 			S = L
 
 		if(ishuman(user))

code/modules/materials/sheets/organic/wood.dm

@@ -47,10 +47,9 @@
 					existing_wood = M
 					break
 
-			var/obj/item/stack/material/wood/new_wood = new plank_type(user.loc)
-			new_wood.amount = 2
+			var/obj/item/stack/material/wood/new_wood = new plank_type(user.loc, 2)
 			if(existing_wood && new_wood.transfer_to(existing_wood))
-				to_chat(user, "<span class='notice'>You add the newly-formed wood to the stack. It now contains [existing_wood.amount] planks.</span>")
+				to_chat(user, "<span class='notice'>You add the newly-formed wood to the stack. It now contains [existing_wood.get_amount()] planks.</span>")
 	else
 		return ..()