dustCrafting

-- Setup by facing a glass block
-- Turn until facing the glass block

function turnToGlass()
    success, data = turtle.inspect()
    if success then
        while data.name ~= "minecraft:glass" do
            turtle.turnRight()
            success, data = turtle.inspect()
        end
    end
end

turnToGlass()

-- We are now facing the glass block

function getNewHammer()
    turnToGlass()
    turtle.select(1)
    turtle.turnLeft()
    -- wait until we have a hammer
    while turtle.getItemCount(1) == 0 do
        turtle.suck()
        sleep(1)
    end
    turtle.turnRight()
end

while true do
    -- First check if we have a copper hammer
    if turtle.getItemCount(1) == 0 then
        getNewHammer()
    end

    -- Now grab ores from the barrel. These are behind the turtle
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.select(2)
    turtle.suck()

    -- Now craft the ores into dust
    turtle.craft()

    -- Now put dust in the barrel, which is to the right of the glass block
    turtle.turnLeft()

    for i = 2, 16 do
        turtle.select(i)
        turtle.drop()
    end

    turnToGlass()
end