attack

local sensor = peripheral.wrap("left")
turtle.refuel()
local facing = "West"

function getpos(name)
  local pos = sensor.getPlayerByName(name).all().position
  return pos
end

function setDirection(direction)
  if direction == "North" then
    if facing == "South" then
      turtle.turnLeft()
      turtle.turnLeft()
    elseif facing == "East" then
      turtle.turnLeft()
    elseif facing == "West" then
      turtle.turnRight()
    end
  facing = "North"
  end
  if direction == "South" then
    if facing == "North" then
      turtle.turnLeft()
      turtle.turnLeft()
    elseif facing == "East" then
      turtle.turnRight()
    elseif facing == "West" then
      turtle.turnLeft()
    end
  facing = "South"
  end
  if direction == "East" then
    if facing == "North" then
      turtle.turnRight()
    elseif facing == "South" then
      turtle.turnLeft()
    elseif facing == "West" then
      turtle.turnLeft()
      turtle.turnLeft()
    end
  facing = "East"
  end
  if direction == "West" then
    if facing == "North" then
      turtle.turnLeft()
    elseif facing == "South" then
      turtle.turnRight()
    elseif facing == "East" then
      turtle.turnLeft()
      turtle.turnLeft()
    end
    facing = "West"
  end
end


while true do
  local pos = getpos("iKipling")
  local ypos = 0
  local xpos = 0
  local zpos = 0
  local count = 1
  for i in pairs(pos) do
    print(pos[i])
    if count == 1 then
      ypos = pos[i]
      print("ypos=" .. ypos)
    elseif count == 2 then
      xpos = pos[i]
      print("xpos=" .. xpos)
    elseif count == 3 then
      zpos = pos[i]
      print("zpos=" .. zpos)
    else
      print("invalid")
    end
    count = count + 1
  end

  if ypos <-0.5 then
    turtle.down()
    print("down")
  elseif ypos >0.5 then
    turtle.up()
    print("up")
  end

  if zpos <-1.5 then
    setDirection("North")
    turtle.forward()
  elseif zpos >1.5 then
    setDirection("South")
    turtle.forward()
    print("South")
  end

  if xpos <-1.5 then
    setDirection("West")
    turtle.forward()
  elseif xpos >1.5 then
    setDirection("East")
    turtle.forward()
  end

  turtle.attack()
  sleep(0.5)
end