ore

steps = 0

function goBack()

    turtle.turnRight()
    turtle.turnRight()

    for i = 1,steps do
        turtle.forward()

    end

    for i = 1,15 do

        turtle.select(i)
        if turtle.compareTo(16) then
            turtle.dropDown()
        else
            turtle.dropUp()

        end


    end
    for i = 1,turtle.getItemCount(16)-1 do
        turtle.dropDown()
    end

    turtle.turnRight()
    turtle.turnRight()

    for i = 1,steps do
        turtle.forward()
    end

end


function inventoryCheck()
    space = 15
    for i = 1,15 do
        if turtle.getItemSpace(i) < 64 then
            space = space - 1

        end

    end
    if space == 0 then
    return true
    end
    return false
end

function miningSides()


    if turtle.detect() then
        while turtle.detect() do
            turtle.dig()
        end
        turtle.forward()
    else
        turtle.forward()
    end

    if not turtle.detect() then
        turtle.select(16)
        turtle.place()
    end


    if turtle.detectUp() then
        while turtle.detectUp() do
            turtle.digUp()
        end
        turtle.up()
    else
        turtle.up()
    end

    if not turtle.detectUp() then
        turtle.select(16)
        turtle.placeUp()
    end

    if not turtle.detect() then
        turtle.select(16)
        turtle.place()
    end

    turtle.down()

    if turtle.detectDown() then
        turtle.digDown()
        turtle.down()

    else
        turtle.down()
    end

    if not turtle.detectDown() then
        turtle.select(16)
        turtle.placeDown()
    end

    if not turtle.detect() then
        turtle.select(16)
        turtle.place()
    end

end




function mineAndSelect()

--Para frente
    if turtle.detect() then
        while turtle.detect() do
            turtle.dig()
        end
        turtle.forward()
    else
        turtle.forward()
    end

--Para cima
    if turtle.detectUp() then
        while turtle.detectUp() do
            turtle.digUp()
        end
        turtle.up()
    else
        turtle.up()
    end

    if not turtle.detectUp() then
        turtle.select(16)
        turtle.placeUp()
    end

    turtle.down()

--Para baixo
    if turtle.detectDown() then
        turtle.digDown()
        turtle.down()
    else
        turtle.down()
    end
    if not turtle.detectDown() then
        turtle.select(16)
        turtle.placeDown()
    end
    turtle.up()
    turtle.turnLeft()
    miningSides()

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

    miningSides()
    turtle.up()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    steps = steps + 1

    if inventoryCheck() then
        goBack()
    end

end

while true do
    mineAndSelect()

end