road0

-- build a road

-- 無線通信を受けて建設開始
turtle.select(16)
turtle.refuel()

turtle.select(1)


while true do
  rednet.open("right")
  local id, msg = rednet.receive()
  print(id, msg)

  if msg == "start_build" then
    break
  elseif msg == "calling_turtle" then
    turtle.digUp()
    turtle.up()
    turtle.up()
  end
end

for i=1, 40 do
  turtle.forward()
  turtle.digDown()
  turtle.placeDown()
end

turtle.digDown()
turtle.down()
turtle.digDown()
turtle.down()
turtle.placeUp()