libstruct

fs.delete("aware.current")
os.loadAPI("aware")
a=aware
function block(endblock)
    for i=1,endblock do
        turtle.select(i)
        if turtle.compareDown() then
            turtle.digDown()
            return i
        end
    end
    -- destroy unknown blocks
    turtle.digDown()
    return 0
end

function place(i)
    if (i > 0) then
        turtle.select(i)
        if (not turtle.compareDown()) then
            -- remove wrong block
            turtle.digDown()
            if (turtle.getItemCount(i) < 2 ) then
                print("Sleeping while waiting for refill in slot " .. i)
                while (turtle.getItemCount(i) < 2 ) do
                    os.sleep(15)
                end
            end
            if (not turtle.placeDown()) then
                error("Unable to place")
            end
        end
    end
end

function ml()
    a.l()
    a.df()
    a.r()
end

function mr()
    a.r()
    a.df()
    a.l()
end

function t180()
    a.r()
    a.r()
end

function save(table,name)
    local file = fs.open(name,"w")
    file.write(textutils.serialize(table))
    file.close()
end

function load(name)
    local file = fs.open(name,"r")
    local data = file.readAll()
    file.close()
    return textutils.unserialize(data)
end
function awarecleanup()
    fs.delete("aware.current")
    fs.delete("aware.start")
end