/// <summary> /// Updates over the network arrive here - AFTER the Update() runs (not tested for all platforms... thanks unet for the great docs.) /// The incoming bitstream is read /// </summary> /// <param name="msg"></param> private static void ReceiveUpdate(NetworkMessage msg) { UdpBitStream bitstream = new UdpBitStream(msg.reader.ReadBytesNonAlloc(NSTMaster.bitstreamByteArray, msg.reader.Length), msg.reader.Length); UdpBitStream outstream = new UdpBitStream(NSTMaster.outstreamByteArray); NSTMaster.ReceiveUpdate(ref bitstream, ref outstream, NetworkServer.active); BandwidthUsage.ReportMasterBits(ref bitstream, BandwidthLogType.MasterIn); // Write a clone message and pass it to all the clients if this is the server receiving if (NetworkServer.active) // && msg.conn == nst.NI.clientAuthorityOwner) { writer.StartMessage(msg.msgType); //writer.WriteUncountedByteArray(bitstream.Data, msg.reader.Length); writer.WriteUncountedByteArray(outstream.Data, outstream.BytesUsed); writer.SendPayloadArrayToAllClients(msg.msgType); } }
/// <summary> /// Reads update headers for each NST frame update in the incoming bitstream, and passes the bitstream to that NST to read out its /// update information. /// </summary> /// <param name="mirror">True if this is the server, and this is the incoming bitstream. Tells the server that the outstream /// needs to be populated for retransmission to all clients. Also false if this is the server running its own outgoing update.</param> public static void ReceiveUpdate(ref UdpBitStream bitstream, ref UdpBitStream outstream, bool mirror, int senderId) { // Create a new bitstream to ensure ptr is at 0. Same data as master though. bitstream.Ptr = 0; int frameid = bitstream.ReadInt(6); if (mirror) { outstream.WriteInt(frameid, 6); } bool isOfftick = frameid == 60; // remove this safety once working //TEST int safety = 0; UpdateType updateType; do { safety++; BandwidthUsage.Start(ref bitstream, BandwidthLogType.UpdateRcv); //stop looking when header is EOS bool notEOS = bitstream.ReadBool(); int mirrorUpdateStartPtr = outstream.Ptr; BandwidthUsage.AddUsage(ref bitstream, "NotEOS"); if (mirror) { outstream.WriteBool(notEOS); } if (!notEOS) { break; } // First three bits are the msgtype //TODO this might only need to be two updateType = (UpdateType)bitstream.ReadInt(3); BandwidthUsage.AddUsage(ref bitstream, "UpdateType"); int updateBitstreamPos = outstream.Ptr; if (mirror) { outstream.WriteInt((int)updateType, 3); } // Next variable is the NstId - get it to know where to send the rest of the bitstream uint nstid = bitstream.ReadUInt(HeaderSettings.single.BitsForNstId); BandwidthUsage.AddUsage(ref bitstream, "NstId"); if (mirror) { outstream.WriteUInt(nstid, HeaderSettings.single.BitsForNstId); } lastNST = NSTTools.GetNstFromId(nstid); BandwidthUsage.SetName(lastNST); int updatelength = bitstream.ReadInt(UPDATELENGTH_BYTE_COUNT_SIZE); if (mirror) { outstream.WriteInt(updatelength, UPDATELENGTH_BYTE_COUNT_SIZE); } BandwidthUsage.AddUsage(ref bitstream, "DataLength"); //Note the starting pos in stream int bodyPtr = bitstream.Ptr; // The start pos for modifying update lenght for mirror int mirrorBodyPtr = outstream.Ptr; // This mising NST handler is NOT FULLY TESTED. Uses the updatelength value to jump ahead in the bitstream if the NST it is // addressed to doesn't exist for some reason. if (lastNST == null) { //DebugX.LogWarning(!DebugX.logWarnings ? null : DebugX.Log( ("Message for an NST Object " + nstid + " arrived but that object does not exist. (yet/anymore?) This is normal during startup and shutdown.")); // Forward to the next update start in the incoming stream. bitstream.Ptr = bodyPtr + (updatelength << 3); // rewind to the EOS marker and pretend this arrival never occured for the outgoing mirror stream. outstream.Ptr = mirrorUpdateStartPtr; continue; } // Tell this nst to read its mail. updateType may get modified by server receive for things like teleport. Frame frame = lastNST.ReadUpdate(ref bitstream, ref outstream, frameid, isOfftick, updateType, updatelength, mirror); updateType = frame.updateType; // overwrite the updateType of the server outgoing in case it has changed. if (mirror) { outstream.WriteIntAtPos((int)updateType, 3, updateBitstreamPos); } //Advance ptr to next update in stream by force, in case the last update wasn't read for any reason (such as the NST leaving the game) bitstream.Ptr = bodyPtr + (updatelength << 3); // write the update byte length for the mirror (not the same value as the incoming due to server side adjustments) if (mirror) { int holdPos = outstream.Ptr; outstream.Ptr = mirrorBodyPtr - UPDATELENGTH_BYTE_COUNT_SIZE; // get the bytesused rounded up. int bytes = ((holdPos - mirrorBodyPtr) >> 3) + (((holdPos - mirrorBodyPtr) % 8 == 0) ? 0 : 1); outstream.WriteInt(bytes, UPDATELENGTH_BYTE_COUNT_SIZE); outstream.Ptr = mirrorBodyPtr + (bytes << 3); } } while (safety < 100); /// NST updates are finished - any data to append to the master update can go here IntegrityCheck.ReadCheck(ref bitstream, ref outstream, "End of All Update Reads", mirror); MasterRTT.Rcv(ref bitstream, ref outstream, mirror, senderId); BandwidthUsage.AddUsage(ref bitstream, "RTT checks"); // Very last... thing report the bits that were used. BandwidthUsage.ReportMasterBits(ref bitstream, BandwidthLogType.MasterIn); }
/// <summary> /// Reads update headers for each NST frame update in the incoming bitstream, and passes the bitstream to that NST to read out its /// update information. /// </summary> /// <param name="mirror">True if this is the server, and this is the incoming bitstream. Tells the server that the outstream /// needs to be populated for retransmission to all clients. Also false if this is the server running its own outgoing update.</param> public static void ReceiveUpdate(ref UdpBitStream bitstream, ref UdpBitStream outstream, bool mirror) { // Create a new bitstream to ensure ptr is at 0. Same data as master though. bitstream.Ptr = 0; // remove this safety once working //TEST int safety = 0; UpdateType updateType; do { safety++; BandwidthUsage.Start(ref bitstream, BandwidthLogType.UpdateRcv); //stop looking when header is EOS bool notEOS = bitstream.ReadBool(); int mirrorUpdateStartPtr = outstream.Ptr; BandwidthUsage.AddUsage(ref bitstream, "NotEOS"); if (mirror) { outstream.WriteBool(notEOS); } if (!notEOS) { break; } // First three bits are the msgtype //TODO this might only need to be two updateType = (UpdateType)bitstream.ReadInt(3); BandwidthUsage.AddUsage(ref bitstream, "UpdateType"); int updateBitstreamPos = outstream.Ptr; if (mirror) { outstream.WriteInt((int)updateType, 3); } // Next variable is the NstId - get it to know where to send the rest of the bitstream uint nstid = bitstream.ReadUInt(NSTSettings.single.bitsForNstId); BandwidthUsage.AddUsage(ref bitstream, "NstId"); if (mirror) { outstream.WriteUInt(nstid, NSTSettings.single.bitsForNstId); } NetworkSyncTransform nst = NetworkSyncTransform.GetNstFromId(nstid); BandwidthUsage.SetName(nst); int updatelength = bitstream.ReadInt(UPDATELENGTH_BYTE_COUNT_SIZE); if (mirror) { outstream.WriteInt(updatelength, UPDATELENGTH_BYTE_COUNT_SIZE); } BandwidthUsage.AddUsage(ref bitstream, "DataLength"); //Note the starting pos in stream int bodyPtr = bitstream.Ptr; // The start pos for modifying update lenght for mirror int mirrorBodyPtr = outstream.Ptr; // This mising NST handler is NOT FULLY TESTED. Uses the updatelength value to jump ahead in the bitstream if the NST it is // addressed to doesn't exist for some reason. if (nst == null) { DebugX.LogWarning(!DebugX.logWarnings ? "" : ("Message for an NST Object arrived but that object does not exist.")); // Forward to the next update start in the incoming stream. bitstream.Ptr = bodyPtr + (updatelength << 3); // rewind to the EOS marker and pretend this arrival never occured for the outgoing mirror stream. outstream.Ptr = mirrorUpdateStartPtr; continue; } // Tell this nst to read its mail. updateType may get modified by server receive for things like teleport. updateType = nst.ReceieveGeneric(ref bitstream, ref outstream, updateType, updatelength, mirror); // overwrite the updateType of the server outgoing in case it has changed. if (mirror) { outstream.WriteIntAtPos((int)updateType, 3, updateBitstreamPos); } //Advance ptr to next update in stream by force, in case the last update wasn't read for any reason (such as the NST leaving the game) bitstream.Ptr = bodyPtr + (updatelength << 3); // write the update byte length for the mirror (not the same value as the incoming due to server side adjustments) if (mirror) { int holdPos = outstream.Ptr; outstream.Ptr = mirrorBodyPtr - UPDATELENGTH_BYTE_COUNT_SIZE; // get the bytesused rounded up. int bytes = ((holdPos - mirrorBodyPtr) >> 3) + (((holdPos - mirrorBodyPtr) % 8 == 0) ? 0 : 1); outstream.WriteInt(bytes, UPDATELENGTH_BYTE_COUNT_SIZE); outstream.Ptr = mirrorBodyPtr + (bytes << 3); } } while (safety < 100); }