public static void Encode(
this RailPacketOutgoing packet,
RailResource resource,
RailBitBuffer buffer)
{
packet.Encode(resource, resource, buffer);
}
private static void EncodeHeader(RailPacketOutgoing packet, RailBitBuffer buffer)
{
RailDebug.Assert(packet.SenderTick.IsValid);
// Write: [LocalTick]
buffer.WriteTick(packet.SenderTick);
// Write: [LastAckTick]
buffer.WriteTick(packet.LastAckTick);
// Write: [AckReliableEventId]
buffer.WriteSequenceId(packet.LastAckEventId);
}
/// <summary>
/// Writes as many events as possible up to maxSize and returns the number
/// of events written in the batch. Also increments the total counter.
/// </summary>
private static void EncodeEvents(
RailPacketOutgoing packet,
IRailEventConstruction eventCreator,
RailBitBuffer buffer,
int maxSize)
{
packet.EventsWritten += buffer.PackToSize(
maxSize,
RailConfig.MAXSIZE_EVENT,
packet.GetNextEvents(),
(evnt, buf) => evnt.Encode(
eventCreator.EventTypeCompressor,
buf,
packet.SenderTick),
evnt => evnt.RegisterSent());
}
/// <summary>
/// After writing the header we write the packet data in three passes.
/// The first pass is a fill of events up to a percentage of the packet.
/// The second pass is the payload value, which will try to fill the
/// remaining packet space. If more space is available, we will try
/// to fill it with any remaining events, up to the maximum packet size.
/// </summary>
public static void Encode(
this RailPacketOutgoing packet,
IRailStateConstruction stateCreator,
IRailEventConstruction eventCreator,
RailBitBuffer buffer)
{
// Write: [Header]
EncodeHeader(packet, buffer);
// Write: [Events] (Early Pack)
EncodeEvents(packet, eventCreator, buffer, RailConfig.PACKCAP_EARLY_EVENTS);
// Write: [Payload] (+1 byte for the event count)
packet.EncodePayload(stateCreator, buffer, packet.SenderTick, 1);
// Write: [Events] (Fill Pack)
EncodeEvents(packet, eventCreator, buffer, RailConfig.PACKCAP_MESSAGE_TOTAL);
}
protected RailPeer(
RailResource resource,
IRailNetPeer netPeer,
ExternalEntityVisibility visibility,
uint remoteSendRate,
RailInterpreter interpreter,
RailPacketIncoming reusableIncoming,
RailPacketOutgoing reusableOutgoing) : base(resource, visibility, netPeer)
{
Resource = resource;
RemoteClock = new RailClock(remoteSendRate);
this.interpreter = interpreter;
outgoingEvents = new Queue <RailEvent>();
this.reusableIncoming = reusableIncoming;
this.reusableOutgoing = reusableOutgoing;
lastQueuedEventId = SequenceId.Start.Next;
eventHistory = new RailHistory(RailConfig.HISTORY_CHUNKS);
LocalTick = Tick.START;
netPeer.PayloadReceived += OnPayloadReceived;
}
protected void SendPacket(RailPacketOutgoing packet)
{
interpreter.SendPacket(Resource, NetPeer, packet);
}
