Function drown

src/trap.c:5058–5199

return TRUE iff player relocated */

/* return TRUE iff player relocated */
boolean
drown(void)
{
    const char *pool_of_water;
    boolean inpool_ok = FALSE;
    int i;
    coordxy x, y;
    boolean is_solid = is_waterwall(u.ux, u.uy);

    feel_newsym(u.ux, u.uy); /* in case Blind, map the water here */
    /* happily wading in the same contiguous pool */
    if (u.uinwater && is_pool(u.ux - u.dx, u.uy - u.dy)
        && (Swimming || Amphibious || Breathless)) {
        /* water effects on objects every now and then */
        if (!rn2(5))
            inpool_ok = TRUE;
        else
            return FALSE;
    }

    if (!u.uinwater) {
        You("%s into the %s%c", is_solid ? "plunge" : "fall",
            waterbody_name(u.ux, u.uy),
            (Amphibious || Swimming || Breathless) ? '.' : '!');
        if (!Swimming && !is_solid)
            You("sink like %s.", Hallucination ? "the Titanic" : "a rock");
    }

    water_damage_chain(gi.invent, FALSE);

    if (u.umonnum == PM_GREMLIN && rn2(3)) {
        (void) split_mon(&gy.youmonst, (struct monst *) 0);
    } else if (u.umonnum == PM_IRON_GOLEM) {
        You("rust!");
        i = Maybe_Half_Phys(d(2, 6));
        if (u.mhmax > i)
            u.mhmax -= i;
        losehp(i, "rusting away", KILLED_BY);
    }
    if (inpool_ok)
        return FALSE;

    if ((i = number_leashed()) > 0) {
        pline_The("leash%s slip%s loose.", (i > 1) ? "es" : "",
                  (i > 1) ? "" : "s");
        unleash_all();
    }

    if (Amphibious || Breathless || Swimming) {
        if (Amphibious || Breathless) {
            if (flags.verbose)
                pline("But you aren't drowning.");
            if (!Is_waterlevel(&u.uz)) {
                if (Hallucination)
                    Your("keel hits the bottom.");
                else
                    You("touch bottom.");
            }