if (new_level_nr < leveldir_current->first_level)
new_level_nr = leveldir_current->first_level;
if (new_level_nr > leveldir_current->last_level)
if (new_level_nr < leveldir_current->first_level)
new_level_nr = leveldir_current->first_level;
if (new_level_nr > leveldir_current->last_level)