void
TreeWillOWisp::activate()
{
- sound_source.reset(sound_manager->create_sound_source(TREEWILLOSOUND));
+ sound_source = sound_manager->create_sound_source(TREEWILLOSOUND);
sound_source->set_position(get_pos());
sound_source->set_looping(true);
sound_source->set_gain(2.0);