Function seen_monsters_react

crawl-ref/source/mon-act.cc:4148–4206

}

void seen_monsters_react()
{
    if (you.duration[DUR_TIME_STEP] || crawl_state.game_is_arena())
        return;

    const int stealth = player_stealth();

#ifdef DEBUG_STEALTH
    // Too annoying for regular diagnostics.
    mprf(MSGCH_DIAGNOSTICS, "stealth: %d", stealth);
#endif

    for (monster_near_iterator mi(you.pos()); mi; ++mi)
    {
        if ((mi->asleep() || mi->behaviour == BEH_WANDER)
            && check_awaken(*mi, stealth))
        {
            behaviour_event(*mi, ME_ALERT, &you, you.pos(), false);

            // That might have caused a pacified monster to leave the level.
            if (!(*mi)->alive())
                continue;

            if (!vampire_mesmerism_check(**mi))
                monster_consider_shouting(**mi);
        }

        if (!mi->visible_to(&you))
            continue;

        if (!mi->has_ench(ENCH_FRENZIED) && mi->can_see(you))
        {
            // Trigger Duvessa & Dowan upgrades
            if (mi->props.exists(ELVEN_ENERGIZE_KEY))
            {
                mi->props.erase(ELVEN_ENERGIZE_KEY);
                elven_twin_energize(*mi);
            }
            else if (mi->type == MONS_BORIS && player_has_orb()
                     && !mi->props.exists(BORIS_ORB_KEY))
            {
                mi->props[BORIS_ORB_KEY] = true;
                boris_covet_orb(*mi);
            }
#if TAG_MAJOR_VERSION == 34
            else if (mi->props.exists(OLD_DUVESSA_ENERGIZE_KEY))
            {
                mi->props.erase(OLD_DUVESSA_ENERGIZE_KEY);
                elven_twin_energize(*mi);
            }
            else if (mi->props.exists(OLD_DOWAN_ENERGIZE_KEY))
            {
                mi->props.erase(OLD_DOWAN_ENERGIZE_KEY);
                elven_twin_energize(*mi);
            }
#endif
        }
    }