// Nonliving and berserking monsters always stop imediately,
        // since they're only being forced out rather than actually scared.

        // Nonliving and berserking monsters always stop immediately,
        // since they're only being forced out rather than actually
        // scared.

    // some calculations

    // Some calculations.

        // Boring beetles always move in a straight line in your direction.

        // Boring beetles always move in a straight line in your
        // direction.

            // Smiters are happy if they have clear visibility through glass,
            // but other monsters must go around.

            // Smiters are happy if they have clear visibility through
            // glass, but other monsters must go around.

    // Don't allow monsters to enter a sanctuary
    // or attack you inside a sanctuary even if you're right next to them.

    // Don't allow monsters to enter a sanctuary or attack you inside a
    // sanctuary, even if you're right next to them.

        // move somewhat randomly along oblique paths.  It is an exceedingly
        // good idea, given crawl's unique line of sight properties.

        // move somewhat randomly along oblique paths.  It is an
        // exceedingly good idea, given crawl's unique line of sight
        // properties.

    // If the monster is moving in your direction, whether to attack or protect
    // you, or towards a monster it intends to attack, check whether we first
    // need to take a step to the side to make sure the reinforcement can
    // follow through.
    // First, check whether the monster is smart enough to even consider this.

    // If the monster is moving in your direction, whether to attack or
    // protect you, or towards a monster it intends to attack, check
    // whether we first need to take a step to the side to make sure the
    // reinforcement can follow through.
    // First, check whether the monster is smart enough to even consider
    // this.

        //

        // (For really smart monsters, also check whether there's a monster
        //  farther back in the corridor that has some kind of ranged attack.)

        //
        // (For really smart monsters, also check whether there's a
        // monster farther back in the corridor that has some kind of
        // ranged attack.)

    // 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.

    // Try to stay in sight of the player if we're moving towards
    // 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.

    // If the player can't see us it doesn't matter.

    // If the player can't see us, it doesn't matter.

    // Try to find a move that brings us closer to the player while keeping us
    // in view.

    // Try to find a move that brings us closer to the player while
    // keeping us in view.

    // give a message so they player isn't confused about it being
    // announced coming into view but not being seen.

    // give a message so they player isn't confused about its being
    // announced as coming into view but not being seen.