View difference between Paste ID: 4Ck87WTL and rcmQYjk8

 --[[
 WallBuilder
 0.2 changed playOneLevel() to recordOneLevel() by Guuguy
 0.1 (https://pastebin.com/rcmQYjk8) by Zs0lt
 ]]
 
 local tArgs={...}
 local currentlevel = 1
 local maxlevel = 1
 local program = ""
 local PC=0
 local materialCount=0
 
 local function clear()
     term.clear()
     term.setCursorPos(1, 1)
 end
 
 
 function Update()
 	clear()
 	print("Building level: "..currentlevel.."/"..maxlevel)
 	print("Fuel remaining: "..turtle.getFuelLevel())
 	print("")
 	local data = turtle.getItemDetail()
 	if data then
 		print("Builing material: {"..materialCount.."}")
 		print(data.name)
 		print("")
 	end
 
 	print("Program: {"..PC.."/"..string.len(program).."}")
 	print("["..program.."]")
 	if PC>0 then
 		local t= " "
 		for i = 1 ,PC-1 do
 			t=t.." "
 		end
 		print(t.."^")
 	end
 
 end
 
 function selectBlock()
 	if turtle.getItemCount(16) ==0 then
 		print("Waiting for material")
 		while turtle.getItemCount(16) ==0 do
 			sleep(.5)
 		end
 		turtle.select(2)
 	end
 
 	if turtle.getItemCount() >0 and turtle.compareTo(16) then
 		return true
 	end
 	materialCount=0
 	local selected = -1
 	for i = 2, 16 do
 		if turtle.getItemCount(i) >0 then
 			turtle.select(i)
 			if turtle.compareTo(16) then
 				materialCount= materialCount+turtle.getItemCount(i)
 				if selected == -1 then
 					selected = i
 				end
 			end
 		end
 	end
 	if selected==-1 then
 		return false
 		else
 		turtle.select(selected)
 	end
 end
 
 
 function placeBlock()
 	if not refuel(5) then
 		print("Waiting for fuel")
 		while not refuel(5) do
 			sleep(.5)
 		end
 	end
 	selectBlock()
 	turtle.place()
 	materialCount=materialCount-1
 	Update()
 end
 
 function placeBlockDown()
 	if not refuel(5) then
 		print("Waiting for fuel")
 		while not refuel(5) do
 			sleep(.5)
 		end
 	end
 	selectBlock()
 	turtle.placeDown()
 	materialCount=materialCount-1
 	Update()
 end
 
 
 function turn180()
 	turtle.turnLeft()
 	turtle.turnLeft()
 end
 
 function findnext(  )
 	if turtle.detect() then
 		program = program.."F"
 		return false
 	end
 
 	turtle.forward()
 	if turtle.detectDown() then
 		program = program.."F"
 		return true
 	end
 	turtle.back()
 	turtle.turnLeft()
 	if turtle.detect() then
 		program = program.."L"
 		return false
 	end
 
 	turtle.forward()
 
 	if turtle.detectDown() then
 		program = program.."L"
 		return true
 	end
 
 
 	turtle.back()
 	turtle.turnLeft()
 	turtle.turnLeft()
 	if turtle.detect() then
 		program = program.."R"
 		return false
 	end
 
 	turtle.forward()
 
 
 
 	if turtle.detectDown() then
 		program = program.."R"
 		return true
 	end
 
 	turtle.back()
 	turtle.turnLeft()
 	return false
 
 end
 
 function refuel( ammount )
 	local fuelLevel = turtle.getFuelLevel()
 	if fuelLevel == "unlimited" then
 		return true
 	end
 
 	local needed = ammount or (xPos + zPos + depth + 2)
 	if turtle.getFuelLevel() < needed then
 		local fueled = false
 		for n=1,16 do
 			if turtle.getItemCount(n) > 0 then
 				turtle.select(n)
 				if turtle.refuel(1) then
 					while turtle.getItemCount(n) > 0 and turtle.getFuelLevel() < needed do
 						turtle.refuel(1)
 					end
 					if turtle.getFuelLevel() >= needed then
 						turtle.select(1)
 						return true
 					end
 				end
 			end
 		end
 		turtle.select(1)
 		return false
 	end
 
 	return true
 end
 
 function recordOneLevel()
 	while true do
 		if turtle.detect() then
 			return true
 		end
 		if findnext() then
 			turn180()
 			placeBlock()
 			turn180()
 			else
 			return true
 		end
 	end
 end
 
 
 function playOneLevel()
 	for i=1, string.len(program) do
 		local x = string.sub(program, i, i)
 		PC=i
 		if x=="F" then
 			turtle.back()
 			else
 			if x=="L" then
 
 				turtle.turnLeft()
 				turtle.back()
 				else
 				if x=="R" then
 					turtle.turnRight()
 					turtle.back()
 				end
 			end
 		end
 		placeBlock()
 	end
 end
 
 
 if tArgs[1] == nil then
   clear()
   print("How how many levels?")
   tArgs[1] = read()
 end
 
 maxlevel = tArgs[1]
 
 currentlevel = 1
 refuel(5)
 recordOneLevel()
 turtle.up()
 placeBlockDown()
 turtle.forward()
-	playOneLevel()
+
 
 turn180()
 for i = 2, tArgs[1] do
 	currentlevel = i
 	refuel(5)
 	-- playOneLevel()
     recordOneLevel()
 	turtle.up()
 	placeBlockDown()
 	turtle.back()
 end
 turn180()