ultitool

function turnLeft()
    for c=1, x+3 do
        turtle.dig()
        turtle.forward()
    end
    turtle.turnLeft()
    for c=1, 3+x do
        turtle.dig()
        turtle.forward()
    end
end

function turnRight()
    for c=1, 3-x do
        turtle.dig()
        turtle.forward()
    end
    turtle.turnLeft()
    for c=1, 3-x do
        turtle.dig()
        turtle.forward()
    end
end

function forward()
    turtle.dig()
    turtle.forward()
end

function up()
    while true do
        if turtle.detectUp() then
            a, b = turtle.inspectUp()
            if not (b.name == "ComputerCraft:CC-Turtle") then
                turtle.digUp()
                break
            end
        else
            break
        end
    end
    turtle.up()
end

function down()
    while true do
        if turtle.detectDown() then
            a, b = turtle.inspectDown()
            if not (b.name == "ComputerCraft:CC-Turtle") then
                turtle.digDown()
                break
            end
        else
            break
        end
    end
    turtle.down()
end

if turtle then
    rednet.open("right")

    print("Awaiting identification")

    source, x = rednet.receive()
    source, y = rednet.receive()

    print("I am turtle (" .. tostring(x) .. ", " .. tostring(y) .. ")")

    turtle.select(1)
    turtle.suckUp(64)
    turtle.refuel(64)

    turtle.forward()
    turtle.forward()
    turtle.up()
    turtle.up()
    turtle.up()
    turtle.up()

    if not (x == 0) then
        if x > 0 then
            turtle.turnLeft()
            print("going left")
        else
            turtle.turnRight()
            print("going right")
        end

        for c=1, math.abs(x) do
            turtle.forward()
            print("weee")
        end
        if x > 0 then
            turtle.turnRight()
            print("return")
        else
            turtle.turnLeft()
            print("return")
        end
    end

    for c=0, 3-y do
        turtle.up()
    end
    turtle.up()

    while true do
        a, b = rednet.receive()
        if b == "forward" then
            forward()
        end
        if b == "right" then
            turnRight()
        end
        if b == "left" then
            turnLeft()
        end
        if b == "up" then
            up()
        end
        if b == "down" then
            down()
        end
    end
end