protected void DoInteractions(ITopic currentTopic)
{
if (currentTopic is null)
{
this.OnClose?.Invoke();
this.CurrentTopics = new ITopic[0];
this.Listener = null;
this.Instigator = null;
return;
}
ITopic[] next = currentTopic.Interact(this.Instigator, this.Listener);
next = this.SanitiseTopics(next);
if (next.Length == 0)
{
this.OnClose?.Invoke();
this.CurrentTopics = next;
this.Listener = null;
this.Instigator = null;
return;
}
switch (currentTopic.Speaker)
{
case Speaker.LISTENER:
this.LastSaid = currentTopic;
this.LastSaidWords = this.LastSaid.Words;
break;
case Speaker.INSTIGATOR:
currentTopic = next[0];
if (currentTopic.Speaker == Speaker.LISTENER)
{
next = currentTopic.Interact(this.Instigator, this.Listener);
next = this.SanitiseTopics(next);
this.LastSaid = currentTopic;
this.LastSaidWords = this.LastSaid.Words;
}
break;
default:
throw new ArgumentOutOfRangeException();
}
this.CurrentTopics = next;
if (next.Length == 0)
{
this.OnClose?.Invoke();
this.CurrentTopics = next;
this.Listener = null;
this.Instigator = null;
}
}
