}
static bool _magic_users_on_level_attitude_change()
{
    bool success = false;
    for ( int i = 0; i < MAX_MONSTERS; ++i )
    {
        monsters *monster = &menv[i];
        if (monster->type != -1
            && mons_is_magic_user(monster))
        {
#ifdef DEBUG_DIAGNOSTICS
            mprf(MSGCH_DIAGNOSTICS, "Magic user attitude changing: %s on level %d, branch %d",
                 monster->name(DESC_PLAIN).c_str(),
                 static_cast<int>(you.your_level),
                 static_cast<int>(you.where_are_you));
#endif
            // If you worship Trog, you make all non-hostile magic users
            // hostile.
            if (you.religion == GOD_TROG)
            {
                if (monster->attitude != ATT_HOSTILE
                    || monster->has_ench(ENCH_CHARM))
                {
                    monster->attitude = ATT_HOSTILE;
                    monster->del_ench(ENCH_CHARM, true);
                    behaviour_event(monster, ME_ALERT, MHITYOU);
                    // for now CREATED_FRIENDLY/WAS_NEUTRAL stays
                    success = true;
                }
            }
        }
    }
    return success;

static bool _magic_users_attitude_change()
{
    return apply_to_all_dungeons(_magic_users_on_level_attitude_change);
}

        // When you start worshipping Trog, you make all non-hostile
        // magic users hostile.
        if (_magic_users_attitude_change())
            mpr("Your magic-using allies forsake you.", MSGCH_MONSTER_ENCHANT);

        if (_evil_beings_attitude_change())
            mpr("Your evil allies forsake you.", MSGCH_MONSTER_ENCHANT);

        if (_evil_beings_attitude_change())
            mpr("Your evil allies forsake you.", MSGCH_MONSTER_ENCHANT);