minetest.register_abm({
        nodenames = { "moretrees:rubber_tree_trunk_empty_sideways" },
        interval = 2,
        chance = 1,
        action = function(pos, node, active_object_count, active_object_count_wider)
                local fdir = node.param2 or 0
                        nfdir = dirs2[fdir+1]
                minetest.add_node(pos, {name = "moretrees:rubber_tree_trunk_empty", param2 = nfdir})
        end,
})