// Whether the player is in LOS of the monster and can see
    // or has guessed the player's location.

        coord_def foepos = you.pos();

        actor* afoe = mon->get_foe();
        proxFoe = afoe && mon->can_see(afoe);

        // Evaluate these each time; they may change.
        if (mon->foe == MHITNOT)
            proxFoe = false;
        else
        {
            if (mon->foe == MHITYOU)
            {
                foepos = you.pos();
                proxFoe = proxPlayer;   // Take invis into account.
            }
            else
            {
                proxFoe = mon->near_foe();

        coord_def foepos = coord_def(-1, -1);
        if (afoe)
            foepos = afoe->pos();

                if (!mon->can_see(&menv[mon->foe]))
                    proxFoe = false;

        if (mon->foe == MHITYOU)
            proxFoe = proxPlayer;   // Take invis into account.

                foepos = menv[mon->foe].pos();
            }
        }