View difference between Paste ID: fQUWjGhC and AY7yLgey

 local tArgs = {...}
 local x = tonumber(tArgs[1])
 local y = tonumber(tArgs[3])
 local z = tonumber(tArgs[2])
 local size = ""
 local fuel = turtle.getFuelLevel()
 local lane = 0
 local startPos = 0
 
 turtle.select(1)
 term.clear()
 term.setCursorPos(1, 1)
 term.setTextColor(colors.white)
 
 local function getStartPos()
 
  if x == 1 then
   if y % 2 == 0 then
    return 1
   else
    return 4
   end
  elseif z == 1 then
   if y % 2 == 0 then
    return 1
   else
    return 2
   end
  end
 
  if y % 2 == 0 then
   return 1
  else
   if z % 2 == 0 then
    return 4
   else
    return 3
   end
  end
 
  return 1
 
 end
 
 local function digx()  --Dig straight lines
  for f = 1,x do
   turtle.dig()
   while not turtle.forward() do
    turtle.dig()
   end
  end
 end
 
 local function changeLane() --Change lane when digging
 
  if lane == 0 then --If lane=0 turn right
   turtle.turnRight()
   turtle.dig()
   while not turtle.forward() do
    turtle.dig()
   end
   turtle.turnRight()
   lane = 1
   return
  end
 
  if lane == 1 then --If lane=1 turn left
   turtle.turnLeft()
   turtle.dig()
   while not turtle.forward() do
    turtle.dig()
   end
   turtle.turnLeft()
   lane = 0
   return
  end
 
 end
 
 local function goUp() --Go up to next layer
  while not turtle.up() do
   turtle.digUp()
  end
  turtle.turnRight()
  turtle.turnRight()
 end
 
 local function backToStart() --Go back to starting position when finished
 
  for f = 1,y do
   turtle.down()
  end
  if startPos == 1 then
   turtle.turnRight()
   turtle.turnRight()
  elseif startPos == 2 then
   for b = 1,x do
    turtle.back()
   end
  elseif startPos == 3 then
   turtle.turnRight()
    for c = 1, z do
     turtle.back()
    end
   turtle.turnLeft()
    for d = 1,x do
     turtle.back()
    end
  elseif startPos == 4 then
   turtle.turnRight()
    for e = 1,z do
     turtle.forward()
    end
   turtle.turnRight()
  end
 
 end
 
 local function checkArgs() --Check if arguments provided by the user are correct
 
  if #tArgs ~= 3 then
   return false
  end
 
  for a = 1,3 do
   if tonumber(tArgs[a]) == nil then
    return false
   end
  end
 
  if x < 1 or y < 1 or z < 1 then
   return false
  end
 
  return true
 
 end
 
 if not checkArgs() then --If arguments are not correct print an error message
  term.setTextColor(colors.red)
  print("Invalid arguments!")
  term.setTextColor(colors.white)
  print("Specify size of the room like this:")
  term.write("rooms")
  term.setTextColor(colors.blue)
  print(" lenght width height")
  return
 end
 
 size = x * y * z
 
 startPos = getStartPos()
 
 if fuel - size <= 0 then --Check if there is enough fuel
  term.setTextColor(colors.orange)
  print("Not enough fuel!")
  return
 end
 
 x = x - 1
 y = y - 1
 z = z - 1
 
 print("Digging...")
 for j = 1,y do
  for i = 1,z do
    digx()
    changeLane()
  end
  digx()
  goUp()
 end
 
 for k = 1,z do
   digx()
   changeLane()
 end
 digx()
 backToStart()
 print("Done!")
 x = x + 1
 y = y + 1
 z = z + 1
 print(size, "blocks cleared")