/// <inheritdoc />
protected override void OnFinishedServicingEvents()
{
//After ALL the queued interest changes have been serviced
//we can actually handle the changes and send them and such
//We need to iterate the entire interest dictionary
//That means we need to check the new incoming and outgoing entities
//We do this because we need to build update packets for the players
//so that they can become aware of them AND we can start pushing
//events to them
foreach (var kvp in ManagedInterestCollections)
{
//We want to skip any collection that doesn't have any pending changes.
//No reason to send a message about it nor dequeue anything
if (!kvp.Value.HasPendingChanges())
{
continue;
}
//Even though this modifies the collections
//the write lock of this type is reserved only
//for adding or removing new entities. Not for
//actually changing the data itself.
using (LockingPolicy.ReaderLock(null, CancellationToken.None))
{
//We should only build packets for players.
if (kvp.Key.EntityType == EntityType.Player)
{
VisibilityMessageSender.Send(new EntityVisibilityChangeContext(kvp.Key, kvp.Value));
}
//No matter player or NPC we should dequeue the joining/leaving
//entites so that the state of the known entites reflects the diff packets sent
InterestDequeueSetCommand dequeueCommand = new InterestDequeueSetCommand(kvp.Value, kvp.Value);
//TODO: Should we execute right away? Or after all packets are sent?
dequeueCommand.Execute();
}
}
#if DEBUG || DEBUG_BUILD
foreach (var kvp in ManagedInterestCollections)
{
if (!kvp.Value.EnteringDequeueable.isEmpty)
{
throw new InvalidOperationException($"Failed to fully queue: {nameof(kvp.Value.EnteringDequeueable)}");
}
if (!kvp.Value.LeavingDequeueable.isEmpty)
{
throw new InvalidOperationException($"Failed to fully queue: {nameof(kvp.Value.LeavingDequeueable)}");
}
}
#endif
}
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);
}
