follow

arg = {...}
followRange = 3
heightFollowRange = 2
player = bladze420

sensor = peripheral.wrap("left")

function orient(pos)
  while facing ~= pos do
    turtle.turnRight()
    if facing == 3 then
      facing = 0
    else
      facing = facing + 1
    end
  end
  if not turtle.forward() then
    turtle.attack()
    --turtle.dig()
  end
end

function checkBlocks(dir)
  blocks = sensor.sonicScan()

end

--if arg[1] == int then
  facing = arg[1] --0 is south, 1 is west, 2 is north, 3 is east
  while true do
    if turtle.getFuelLevel() <= 50 then
      print("Fuel low, please refuel")
      print("Fuel level: "..turtle.getFuelLevel())
    end
    data = sensor.getPlayerData(player)
    if data.position.x <= -followRange then
      orient(1)
      --checkBlocks("-x")
    end
    if data.position.x >= followRange then
      orient(3)
      --checkBlocks("x")
    end
    if data.position.y <= -heightFollowRange then
      if not turtle.down() then
        --turtle.digDown()
        turtle.attackDown()
      end
      --checkBlocks("-y")
    end
    if data.position.y >= heightFollowRange then
      if not turtle.up() then
        --turtle.digUp()
        turtle.attackUp()
      end
      --checkBlocks("y")
    end
    if data.position.z <= -followRange then
      orient(2)
      --checkBlocks("-z")
    end
    if data.position.z >= followRange then
      orient(0)
      --checkBlocks("z")
    end
  end
--else
  --print("Usage: follow <orientation>")
--end