core.register_node("permflightpotion:permflightpotion",{ description = "Permanent Flight Potion", drawtype = "plantlike", tiles = {"ethereal_flight_potion.png"}, inventory_image = "ethereal_flight_potion.png", wield_image = "ethereal_flight_potion.png", paramtype = "light", sunlight_propagates = true, selection_box = { type = "fixed", fixed = {-0.2, -0.37, -0.2, 0.2, 0.31, 0.2} }, groups = {dig_immediate = 3, vessel = 1}, sounds = default.node_sound_glass_defaults(), on_use = function(stack,player) local name = player:get_player_name() local privs = core.get_player_privs(name) if privs.fly then return end privs.fly = true core.set_player_privs(name,privs) stack:take_item(1) return stack end, })