// Now quit if we can't move.
    if (mmov.origin())
        return;
    // Try to stay in sight of the player if we're moving toward's him/her,
    // in order to avoid the monster coming into view, shouting, and then
    // taking a step in a path to the player which temporarily takes it out of
    // view, which can lead to the player getting "comes into view" and
    // shout messages with no monster in view.
    // Doesn't matter for arena mode.
    if (crawl_state.arena)
        return;
    // If the player can't see us it doesn't matter.
    if (!(monster->flags & MF_WAS_IN_VIEW))
        return;
    // Only monsters seeking the player will shout.
    if (!mons_is_seeking(monster) || monster->foe != MHITYOU)
        return;
    const coord_def old_pos  = monster->pos();
    const int       old_dist = grid_distance(you.pos(), old_pos);
    // We're not moving towards the player.
    if (grid_distance(you.pos(), old_pos + mmov) >= old_dist)
        return;
    // We're already staying in the player's LOS.
    if (see_grid(old_pos + mmov))
        return;
    // Try to find a move that brings us closer to the player while keeping us
    // in view.
    for (int i = 0; i < 3; i++)
        for (int j = 0; j < 3; j++)
        {
            if (i == 0 && j == 0)
                continue;
            if (!good_move[i][j])
                continue;
            delta.set(i - 1, j - 1);
            coord_def tmp = old_pos + delta;
            if (grid_distance(you.pos(), tmp) < old_dist && see_grid(tmp))
            {
                mmov = delta;
                break;
            }
        }