public virtual void TryExit(IAIState nextState)
{
// is this state on the next state's path?
if (nextState.IsStateOnPath(this))
{
// if so, no need to exit this state
return;
}
if (_parentState != null)
{
_parentState.TryExit(nextState);
}
OnExit();
}
public bool IsStateOnPath(IAIState state)
{
// is this the state?
if (state == this)
{
return(true);
}
// have we exhausted all parents?
if (_parentState == null)
{
return(false);
}
// ask the parent
return(_parentState.IsStateOnPath(state));
}