/// Modifies fear and then determines if it's has crossed the threshold to
/// cause a state change.
private void _modifyFear(Action action, double offset)
{
// Don't add effects if the monster already died.
if (!IsAlive)
{
return;
}
if (Breed.Flags.Contains("fearless"))
{
return;
}
// If it can't run, there's no point in being afraid.
if (Breed.Flags.Contains("immobile"))
{
return;
}
Fear = Math.Max(0.0, Fear + offset);
if (State is AwakeState && Fear > _frightenThreshold)
{
// Clamp the fear. This is mainly to ensure that a bunch of monsters
// don't all get over their fear at the exact same time later. Since the
// threshold is randomized, this will make the delay before growing
// courageous random too.
Fear = _frightenThreshold;
Log("{1} is afraid!", this);
changeState(new AfraidState());
action.AddEvent(EventType.Fear, this);
return;
}
if (State is AfraidState && Fear <= 0.0)
{
Log("{1} grows courageous!", this);
changeState(new AwakeState());
action.AddEvent(EventType.Courage, this);
}
}
/// Reduces the actor's health by [damage], and handles its death. Returns
/// `true` if the actor died.
public bool TakeDamage(Action action, int damage, Noun attackNoun, Actor attacker = null)
{
Health.Current -= damage;
action.Log("{1} takes {2} damage.", this.NounText, damage.ToString());
OnDamaged(action, attacker, damage);
if (Health.Current > 0)
{
return(false);
}
action.AddEvent(EventType.Die, element: ElementFactory.Instance.None, other: null, pos: null, dir: null, actor: this);
action.Log("{1} kill[s] {2}.", attackNoun, this);
if (attacker != null)
{
attacker.OnKilled(action, this);
}
OnDied(attackNoun);
return(true);
}
