// Remember that goal must not be achieved before considering traversal
public bool DoSkip(List <Goal> goals, Dictionary <string, object> entityValues, List <Response> responses)
{
List <Goal> activeAndAchievedSubgoals = new List <Goal>();
// Finds all active and achieved children
foreach (Goal goal in goals)
{
if (SubgoalIDs.Contains(goal.ID))
{
if (goal.IsActive(entityValues))
{
if (goal.IsAchieved(goals, entityValues, responses))
{
activeAndAchievedSubgoals.Add(goal);
}
}
}
}
// Composite goal has been partially achieved, so skip.
if (activeAndAchievedSubgoals.Count > 0)
{
return(true);
}
else
{
return(TrySkip); // Composite goal is allowed to skip, so leave decision up to TrySkip preference
}
}
public override bool IsAchieved(List <Goal> goals, Dictionary <string, object> entityValues, List <Response> responses)
{
List <Goal> activeSubgoals = new List <Goal>();
List <Goal> activeAndAchievedSubgoals = new List <Goal>();
// Finds all achieved children
foreach (Goal goal in goals)
{
if (SubgoalIDs.Contains(goal.ID))
{
if (goal.IsActive(entityValues))
{
activeSubgoals.Add(goal);
if (goal.IsAchieved(goals, entityValues, responses))
{
activeAndAchievedSubgoals.Add(goal);
}
}
}
}
return(activeSubgoals.Count == activeAndAchievedSubgoals.Count); // Achieved if all active subgoals are achieved
}