public NetworkObjectVisibilityChangeEventPayload Build([NotNull] IReadOnlyCollection <NetworkEntityGuid> joining, [NotNull] IReadOnlyCollection <NetworkEntityGuid> leaving)
{
if (joining == null)
{
throw new ArgumentNullException(nameof(joining));
}
if (leaving == null)
{
throw new ArgumentNullException(nameof(leaving));
}
if (joining.Count == 0 && leaving.Count == 0)
{
throw new InvalidOperationException($"Cannot build interest change packet when changes are empty.");
}
//Arrange packet data
EntityCreationData[] creationDatas = joining
.Select(j => new EntityCreationData(j, MovementMapper[j], BuildInitialDataFieldValues(j)))
.ToArray();
NetworkObjectVisibilityChangeEventPayload changePayload = new NetworkObjectVisibilityChangeEventPayload(creationDatas, leaving.ToArray());
return(changePayload);
}
/// <inheritdoc />
public void Send([NotNull] EntityVisibilityChangeContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
NetworkObjectVisibilityChangeEventPayload changeEventPayload = BuildPayload(context.InterestCollection);
IPeerPayloadSendService <GameServerPacketPayload> sendService = RetrieveSendService(context.EntityGuid);
sendService.SendMessage(changeEventPayload, DeliveryMethod.ReliableOrdered)
.ConfigureAwait(false);
}
private NetworkObjectVisibilityChangeEventPayload BuildPayload([NotNull] IReadonlyInterestCollection interestCollection)
{
if (interestCollection == null)
{
throw new ArgumentNullException(nameof(interestCollection));
}
//TODO: Provide movement mappable
InterestChangedPacketBuilder changedPacketBuilder = new InterestChangedPacketBuilder(MovementDataMappable, EntityDataMapper, FieldUpdateFactory);
//We delegate the packet building to the packet builder. But we still need to send it.
//Sending is async so it can be fired off and not awaited, we won't want to await it
NetworkObjectVisibilityChangeEventPayload changeEventPayload = changedPacketBuilder.Build(interestCollection.QueuedJoiningEntities, interestCollection.QueuedLeavingEntities);
return(changeEventPayload);
}