Function lava_damage

src/trap.c:4575–4615

obj has been thrown or dropped into lava; damage is worse than mere fire */

/* obj has been thrown or dropped into lava; damage is worse than mere fire */
boolean
lava_damage(struct obj *obj, coordxy x, coordxy y)
{
    int otyp = obj->otyp, ocls = obj->oclass;

    /* the Amulet, invocation items, and Rider corpses are never destroyed
       (let Book of the Dead fall through to fire_damage() to get feedback) */
    if (obj_resists(obj, 0, 0) && otyp != SPE_BOOK_OF_THE_DEAD)
        return FALSE;
    /* destroy liquid (venom), wax, veggy, flesh, paper (except for scrolls
       and books--let fire damage deal with them), cloth, leather, wood, bone
       unless it's inherently or explicitly fireproof or contains something;
       note: potions are glass so fall through to fire_damage() and boil */
    if (objects[otyp].oc_material < DRAGON_HIDE
        && ocls != SCROLL_CLASS && ocls != SPBOOK_CLASS
        && objects[otyp].oc_oprop != FIRE_RES
        && otyp != WAN_FIRE && otyp != FIRE_HORN
        /* assumes oerodeproof isn't overloaded for some other purpose on
           non-eroding items */
        && !obj->oerodeproof
        /* fire_damage() knows how to deal with containers and contents */
        && !Has_contents(obj)) {
        if (cansee(x, y)) {
            /* this feedback is pretty clunky and can become very verbose
               when former contents of a burned container get here via
               flooreffects() */
            if (obj == gt.thrownobj || obj == gk.kickedobj)
                pline("%s %s up!", is_plural(obj) ? "They" : "It",
                      otense(obj, "burn"));
            else
                You_see("%s hit lava and burn up!", doname(obj));
        }
        if (carried(obj)) { /* shouldn't happen */
            remove_worn_item(obj, TRUE);
            useupall(obj);
        } else
            delobj(obj);
        return TRUE;
    }
    return fire_damage(obj, TRUE, x, y);
}

void
acid_damage(struct obj *obj)