monster->seen_context = "just shouted";

    // If the player can't see us it doesn't matter.
    if (!(monster->flags & MF_WAS_IN_VIEW))

    // Did we just shout?
    if (monster->seen_context != "just shouted")

    // Only monsters seeking the player will shout.
    if (!mons_is_seeking(monster) || monster->foe != MHITYOU)

    monster->seen_context.clear();
    // If the player can't see us it doesn't matter.
    if (!(monster->flags & MF_WAS_IN_VIEW))

    int matches = 0;

                mmov = delta;

                if (one_chance_in(++matches))
                    mmov = delta;