local rotation = 0

function Mine()
    turtle.select(1)
    while turtle.detect() do
        turtle.dig()
    end
end

function MineUp()
    turtle.select(1)
    while turtle.detectUp() do
        turtle.digUp()
    end
end

function MineDown()
    turtle.select(1)
    while turtle.detectDown() do
        turtle.digDown()
    end
end

function Forward()
    Refuel()
    Mine()
    while turtle.forward() == false do
        turtle.attack()
    end
end

function Up()
    Refuel()
    MineUp()
    while turtle.up() == false do
        turtle.attackUp()
    end
end

function Down()
    Refuel()
    MineDown()
    while turtle.down() == false do
        turtle.attackDown()
    end
end

function Left()
    turtle.turnLeft()
    rotation = rotation - 1
    if rotation == -1 then
        rotation = 3
    end
end

function Right()
    turtle.turnRight()
    rotation = rotation + 1
    if rotation == 4 then
        rotation = 0
    end
end

function RotateTo(rot)
    while rotation ~= rot do
        Right()
    end
end