/// <summary>
/// Determines if the interest collection has pending interest changes.
/// (Joining or leaving the collection via queues).
/// </summary>
/// <param name="collection"></param>
/// <returns></returns>
public static bool HasPendingChanges([NotNull] this InterestCollection collection)
{
if (collection == null)
{
throw new ArgumentNullException(nameof(collection));
}
return(!collection.EnteringDequeueable.isEmpty || !collection.LeavingDequeueable.isEmpty);
}
/// <inheritdoc />
public GameObject Create(PlayerEntityCreationContext context)
{
GameObject gameObject = DecoratedFactory.Create(context);
GuidToSessionMappable.Add(context.EntityGuid, context.SessionContext.ZoneSession);
ConnectionIdToControllingEntityMap.Add(context.SessionContext.ConnectionId, context.EntityGuid);
InterestCollection playerInterestCollection = new InterestCollection();
//directly add ourselves so we don't become interest in ourselves after spawning
playerInterestCollection.Add(context.EntityGuid);
//We just create our own manaul interest collection here.
GuidToInterestCollectionMappable.Add(context.EntityGuid, playerInterestCollection);
//We don't need to touch the gameobject, we can just return it.
return(gameObject);
}
/// <inheritdoc />
public void Tick()
{
using (LockingPolicy.ReaderLock(null, CancellationToken.None))
{
//For every player we need to do some processing so that we can entity data update values
foreach (var guid in PlayerGuids)
{
InterestCollection interest = GetEntityInterestCollection(guid);
//Even if we only know ourselves we should do this anyway
//so that the client can receieve entity data changes about itself
//TODO: We probably won't send an update about ALL entites, so this is some wasted allocations and time
List <EntityAssociatedData <FieldValueUpdate> > updates = new List <EntityAssociatedData <FieldValueUpdate> >(interest.ContainedEntities.Count);
foreach (var interestingEntityGuid in interest.ContainedEntities)
{
//Don't build an update for entities that don't have any changes
if (!ChangeTrackerHasChangesForEntity(interestingEntityGuid))
{
continue;
}
//TODO: We should cache this update value so we don't need to recompute it for ALL players who are interested
//This is the update collection for the particular Entity with guid interestingEntityGuid
//We want to use the CHANGE TRACKING bitarray for updates. If this was initial discovery we'd use the SIT bitarray to send all set values.
FieldValueUpdate update = UpdateFactory.Create(new EntityFieldUpdateCreationContext(ChangeTrackingCollections[interestingEntityGuid], ChangeTrackingCollections[interestingEntityGuid].ChangeTrackingArray));
updates.Add(new EntityAssociatedData <FieldValueUpdate>(interestingEntityGuid, update));
}
//It's possible no entity had updates, so we should not send a packet update
if (updates.Count != 0)
{
SendUpdate(guid, updates);
}
}
foreach (var dataEntityCollection in ChangeTrackingCollections.Values)
{
dataEntityCollection.ClearTrackedChanges();
}
}
}
public void Test_DequeueCommand_Handles_Entering_Entities()
{
//arrange
//InterestDequeueSetCommand
InterestCollection interestCollection = new InterestCollection();
interestCollection.Register(new NetworkEntityGuid(1), new NetworkEntityGuid(1));
interestCollection.Register(new NetworkEntityGuid(2), new NetworkEntityGuid(2));
//act
Assert.AreEqual(0, interestCollection.ContainedEntities.Count);
InterestDequeueSetCommand dequeue = new InterestDequeueSetCommand(interestCollection, interestCollection);
dequeue.Execute();
//assert
Assert.AreEqual(2, interestCollection.ContainedEntities.Count);
Assert.True(interestCollection.EnteringDequeueable.isEmpty);
}
public void Test_DequeueCommand_Handles_Leaving_Entities()
{
//arrange
//InterestDequeueSetCommand
InterestCollection interestCollection = new InterestCollection();
interestCollection.Add(new NetworkEntityGuid(1));
interestCollection.Add(new NetworkEntityGuid(2));
interestCollection.Unregister(new NetworkEntityGuid(1));
interestCollection.Unregister(new NetworkEntityGuid(2));
//act
Assert.AreEqual(2, interestCollection.ContainedEntities.Count, "Has no contained entites.");
InterestDequeueSetCommand dequeue = new InterestDequeueSetCommand(interestCollection, interestCollection);
dequeue.Execute();
//assert
Assert.AreEqual(0, interestCollection.ContainedEntities.Count, "Expected the contained entities to be removed, but some remained.");
Assert.True(interestCollection.LeavingDequeueable.isEmpty);
}