private bool ChangeTrackerHasChangesForEntity(NetworkEntityGuid interestingEntityGuid)
{
try
{
return(ChangeTrackingCollections.RetrieveEntity(interestingEntityGuid).HasPendingChanges);
}
catch (Exception e)
{
throw new InvalidOperationException($"Attempted to load Entity: {interestingEntityGuid}'s interst collection From: {ChangeTrackingCollections.GetType().Name} but failed. No entry matched the key. Exception: {e.Message}", e);
}
}
/// <inheritdoc />
public void Tick()
{
foreach (var entry in GuidToInterestCollectionMappable.EnumerateWithGuid(KnownEntities, EntityType.Player))
{
InterestCollection interest = entry.ComponentValue;
//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.RetrieveEntity(interestingEntityGuid), ChangeTrackingCollections.RetrieveEntity(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(entry.EntityGuid, updates);
}
}
foreach (var dataEntityCollection in ChangeTrackingCollections.Enumerate(KnownEntities))
{
dataEntityCollection.ClearTrackedChanges();
}
}