Lavapumpen

    varturn = "right"

    function Tanken()
      tank = turtle.getFuelLevel()
      if tank == 0 then
        turtle.refuel(1)
      end
    end

    function Forward()
      while not turtle.forward() do
        turtle.dig()
        turtle.attack()
        sleep(1)
      end
      Tanken()
    end

    function Pumpe()
      turtle.select(1)
      turtle.placeDown()
    end

    function Redstone()
      turtle.select(2)
      turtle.placeDown()
    end

    function Tank()
      turtle.select(3)
      turtle.placeDown()
    end

    function Line1()
      Pumpe()
      Forward()
      Forward()
      Pumpe()
      Forward()
      Forward()
      Pumpe()
      Forward()
      Forward()
      Pumpe()
      Forward()
      Redstone()
      Forward()
      Pumpe()
      turtle.turnRight()
      turtle.turnRight()
      turtle.up()
      Tanken()
      Tank()
      Forward()
      Forward()
      Tank()
      Forward()
      Forward()
      Tank()
      Forward()
      Forward()
      Tank()
      Forward()
      Forward()
      Tank()
    end

    function Line2()
      for i=1,7 do
        Redstone()
        Forward()
      end
      Redstone()
      turtle.turnRight()
      turtle.turnRight()
      for i=1,7 do
        Forward()
      end
    end

    function Line3()
      for i=1,7 do
        Forward()
      end
      Redstone()
      turtle.turnRight()
      turtle.turnRight()
      for i=1,7 do
        Forward()
      end
    end

    function Next()
      turtle.turnLeft()
      Forward()
      turtle.turnLeft()
    end

    function Next2()
      turtle.turnLeft()
      Forward()
      turtle.turnLeft()
      turtle.down()
      Tanken()
    end

    function Lang()
      for i=1,8 do
        Dig()
        Forward()
        Dig()
      end
    end

    function Dig()
      turtle.dig()
      turtle.digUp()
    end

    function Turn()
      if varturn == "left" then
        turtle.turnLeft()
        Dig()
        Forward()
        turtle.turnLeft()
        varturn = "right"
      else
        turtle.turnRight()
        Dig()
        Forward()
        turtle.turnRight()
        varturn = "left"
      end
    end


    shell.run("clear")
    print("Moechtest du die Pumpen auf- oder abbauen?")
    write("aufbauen / abbauen ")
    bau = io.read()

    shell.run("clear")
    if bau == "aufbauen" then
      print("50 x Pumpen in Slot 1 legen")
      print("53 x Redstone Energy in Slot 2 legen")
      print("50 x Endertank in Slot 3 legen")
      print("1 x Tesseract in Slot 4 legen")
      tank = turtle.getFuelLevel()
      print("")
      print("Brennmaterial in slot 16 legen")
      write(tank)
      print(" Bewegungen sind noch moeglich")
      print("")
      print("Aufbau starten? ")
      print("")
      write("ja / nein ")
      aufstart = io.read()
      if aufstart == "ja" then
        Tanken()
        turtle.up()
        Tanken()
        Forward()
        Line1()
        Next2()
        Line2()
        Next()
        Line1()
        Next2()
        Line3()
        Next()
        Line1()
        Next2()
        Line2()
        Next()
        Line1()
        Next2()
        Line3()
        Next()
        Line1()
        Next2()
        Line2()
        Next()
        Line1()
        Next2()
        Line3()
        Next()
        Line1()
        Next2()
        Line2()
        Next()
        Line1()
        Next2()
        Line3()
        Next()
        Line1()
        Next2()
        Line2()
        Next()
        Line1()
        Forward()
        turtle.turnRight()
        for i=1,18 do
          Forward()
        end
        turtle.turnRight()
        Tanken()
        turtle.down()
        Tanken()
        turtle.down()
      end
    end
    if bau == "abbauen" then
      print("Abbau starten? ")
      print("")
      write("ja / nein ")
      abstart = io.read()
      if abstart == "ja" then
        for i=1,19 do
          Dig()
          Forward()
          Lang()
          Turn()
        end
      end
    end