/// <summary>
/// We generate options based on the current list of desires
/// </summary>
protected virtual IEnumerable <Desire <TAction, TAgent, TEnvironment> > GenerateOptions()
{
//remove desires which have been fulfilled
Desires.RemoveAll(x => x.IsFulfilled());
//only achievable desires
return(Desires.Where(x => x.IsAchievable()));
}
