static bool player_is_permalevitating()
{
    return you.duration[DUR_LEVITATION] > 1 &&
            ((you.species == SP_KENKU && you.experience_level >= 15)
             || player_equip_ego_type( EQ_BOOTS, SPARM_LEVITATION ));
}

        signed char trav = player_is_permalevitating()? 

        const signed char trav = you.permanent_levitation() ?

        
    if (you.duration[DUR_LEVITATION] > 2 && you.duration[DUR_LEVITATION] < 100)

    
    if (!you.permanent_levitation() && you.duration[DUR_LEVITATION] > 2)

    if (you.duration[DUR_CONTROLLED_FLIGHT] < 100 &&
        you.duration[DUR_CONTROLLED_FLIGHT] > 1) // don't mess with permaflight

    if (!you.permanent_flight() && you.duration[DUR_CONTROLLED_FLIGHT] > 1)

    int dur_change = 25 + random2(power) + random2(power);

    const int dur_change = 25 + random2(power) + random2(power);

                {

                    if (you.duration[DUR_LEVITATION])
                    {
                        you.duration[DUR_LEVITATION] = 100;
                        you.duration[DUR_CONTROLLED_FLIGHT] = 100;
                    }
                }

    const bool fly    = (lev && you.duration[DUR_CONTROLLED_FLIGHT]);

    const bool fly    = (you.flight_mode() == FL_FLY);

bool player::permanent_levitation() const
{
    return airborne() &&
        (permanent_flight() ||
         // Boots of levitation keep you with DUR_LEVITATION >= 2 at
         // all times. This is so that you can evoke stop-levitation
         // in order to actually cancel levitation (by setting
         // DUR_LEVITATION to 1.) Note that antimagic() won't do this.
         (player_equip_ego_type( EQ_BOOTS, SPARM_LEVITATION ) &&
          you.duration[DUR_LEVITATION] > 1));
}
bool player::permanent_flight() const
{
    return airborne() &&
        (you.species == SP_KENKU && you.experience_level >= 15);
}

            bool perm = (you.species == SP_KENKU && you.experience_level >= 15)
                        || (player_equip_ego_type( EQ_BOOTS, SPARM_LEVITATION ))
                        || (you.attribute[ATTR_TRANSFORMATION] == TRAN_DRAGON);

            const bool perm = you.permanent_flight();

    if (player_is_airborne())
    {
        if (you.duration[DUR_CONTROLLED_FLIGHT])
            mpr("You fly upwards.");
        else
            mpr("You float upwards... And bob straight up to the ceiling!");
    }

    if (you.flight_mode() == FL_FLY)
        mpr("You fly upwards.");
    else if (you.flight_mode() == FL_LEVITATE)
        mpr("You float upwards... And bob straight up to the ceiling!");

    bool permanent_levitation() const;
    bool permanent_flight() const;

    if (you.duration[DUR_LEVITATION] > 1)
    {
        if (you.species != SP_KENKU || you.experience_level < 15)
            you.duration[DUR_LEVITATION]--;

        if (player_equip_ego_type( EQ_BOOTS, SPARM_LEVITATION ))
            you.duration[DUR_LEVITATION] = 2;
        if (you.duration[DUR_LEVITATION] == 10)

    if (!you.permanent_levitation())
    {
        if ( decrement_a_duration(DUR_LEVITATION,
                                  "You float gracefully downwards.",
                                  10, random2(6),
                                  "You are starting to lose your buoyancy!") )

            mpr("You are starting to lose your buoyancy!", MSGCH_DURATION);
            you.duration[DUR_LEVITATION] -= random2(6);
            if (you.duration[DUR_CONTROLLED_FLIGHT] > 0)
                you.duration[DUR_CONTROLLED_FLIGHT] = you.duration[DUR_LEVITATION];

            burden_change();
            // Landing kills controlled flight.
            you.duration[DUR_CONTROLLED_FLIGHT] = 0;
            // re-enter the terrain:
            move_player_to_grid( you.x_pos, you.y_pos, false, true, true );

    else if (you.duration[DUR_LEVITATION] == 1)
    {
        mpr("You float gracefully downwards.", MSGCH_DURATION);
        you.duration[DUR_LEVITATION] = 0;
        burden_change();
        you.duration[DUR_CONTROLLED_FLIGHT] = 0;

        // re-enter the terrain:
        move_player_to_grid( you.x_pos, you.y_pos, false, true, true );
    }

    if (!you.permanent_flight())
        if ( decrement_a_duration(DUR_CONTROLLED_FLIGHT) && you.airborne() )
            mpr("You lose control over your flight.", MSGCH_DURATION);
            

        {

            you.duration[DUR_LEVITATION] = 100;
            you.duration[DUR_CONTROLLED_FLIGHT] = 100;
        }

    if (!you.duration[DUR_CONTROLLED_FLIGHT] && !player_is_airborne())

    if (!player_is_airborne())