local item = ...

function item:on_created()

    self:set_shadow("small")
    self:set_can_disappear(true)
    self:set_brandish_when_picked(false)
end

function item:on_started()

    -- Disable pickable arrows if the player has no bow.
    -- We cannot do this from on_created() because we don't know if the bow
    -- is already created there.
    self:set_obtainable(self:get_game():has_item("bow"))
end

function item:on_obtaining(variant, savegame_variable)

    -- Obtaining arrows increases the counter of the bow.
    local amounts = {1, 5, 10}
    local amount = amounts[variant]
    if amount == nil then
        error("Invalid variant '" .. variant .. "' for item 'arrow'")
    end
    self:get_game():get_item("bow"):add_amount(amount)
end
