/// <summary>
/// Takes a list of world SmartObjects and an EventDescriptor and creates
/// one bin for each of the event's participant slot containing the
/// objects that satisfy that slot's State (not Relation) requirements.
/// Makes sure that any index in fixedSlots only considers the accompanied
/// SmartObject. Does however not check state for those.
/// </summary>
private static BinHolder BinIntoParameterSlots(
EventDescriptor evtDesc,
IEnumerable<IHasState> objs,
IDictionary<int, IHasState> fixedSlots = null)
{
StateName[][] stateReqs = evtDesc.StateRequirements;
BinHolder bins = new BinHolder(stateReqs.Length);
for (int i = 0; i < stateReqs.Length; i++)
{
if (fixedSlots != null && fixedSlots.ContainsKey(i) == true)
bins.AddBin(new IHasState[] { fixedSlots[i] });
else
bins.AddBin(Filter.ByState(objs, stateReqs[i]));
}
return bins;
}
/// <summary>
/// Given a bin holder, creates all variations of event populations
/// without using a single object in more than one slot
/// </summary>
private static List<EventPopulation> GetPopulations(
EventDescriptor evtDesc,
BinHolder bins)
{
int slots = bins.Count;
if (slots == 0)
return new List<EventPopulation>();
// Convert the first bin to a list of EventPopulations
List<EventPopulation> result =
bins[0].Convert(s => new EventPopulation(slots, s));
for (int i = 1; i < slots; i++)
result = AddBin(evtDesc, result, bins[i]);
return result;
}
