Function float_vs_flight

src/polyself.c:130–154

Levitation overrides Flying; set or clear BFlying|I_SPECIAL */

/* Levitation overrides Flying; set or clear BFlying|I_SPECIAL */
void
float_vs_flight(void)
{
    boolean stuck_in_floor = (u.utrap && u.utraptype != TT_PIT);

    /* floating overrides flight; so does being trapped in the floor */
    if ((HLevitation || ELevitation)
        || ((HFlying || EFlying) && stuck_in_floor))
        BFlying |= I_SPECIAL;
    else
        BFlying &= ~I_SPECIAL;
    /* being trapped on the ground (bear trap, web, molten lava survived
       with fire resistance, former lava solidified via cold, tethered
       to a buried iron ball) overrides floating--the floor is reachable */
    if ((HLevitation || ELevitation) && stuck_in_floor)
        BLevitation |= I_SPECIAL;
    else
        BLevitation &= ~I_SPECIAL;

    /* riding blocks stealth unless hero+steed fly, so a change in flying
       might cause a change in stealth */
    steed_vs_stealth();

    disp.botl = TRUE;
}

/* riding blocks stealth unless hero+steed fly */
void