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Using QuickSilver to mock-up Web 3.0

Using QuickSilver to mock-up Web 3.0. Krzys Ostrowski. Introduction. BAD. BAD. Architecture. Tools. Development Environment. Microsoft Visual Studio 2005 “Express” (supports XNA Framework & Game Studio Express) XNA Project types Implements the “content pipeline”

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Using QuickSilver to mock-up Web 3.0

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  1. Using QuickSilver to mock-up Web 3.0 Krzys Ostrowski

  2. Introduction

  3. BAD

  4. BAD

  5. Architecture

  6. Tools

  7. Development Environment • Microsoft Visual Studio 2005 “Express” (supports XNA Framework & Game Studio Express) • XNA Project types • Implements the “content pipeline” • Microsoft Visual Studio 2005 “Professional” (support only the XNA Framework) • Version control, • Debugging multithreaded applications, etc.

  8. content loading content

  9. Coding

  10. How to access the functionalityprovided by XNA, QMS etc.

  11. Add a pre-build event to manually copy QuickSilver_0.dll, You can also copy over graphical content here

  12. Where to write your own code

  13. namespace MyGameClient { public partial class Form1 : Form { public Form1() { InitializeComponent(); gamethread = new Thread(new ThreadStart(ThreadCallback)); gamethread.Start(); …

  14. public partial class Form1 : Form { … private void ClosingCallback( object sender, FormClosingEventArgs e) { … }

  15. When does your code run?

  16. Threads • Game Thread • Rendering graphics • Respond to mouse/keyboard • Windows Forms Thread • Rendering Forms • Respond to mouse/keyboard • QSM Thread (inside QSM) • Network communication • Your own threads? • Your background processing etc. game = new MyGame(…); game.Run(); Application.Run( new Form1(…)); client = QS.CMS.Framework2.Client.Create(…);

  17. Your Code • Your own threads • Callbacks from Windows Forms (GUI Thread) • Mouse, keyboard etc. • Callbacks from Game (Game Thread) • Update(GameTimegameTime) • Draw(GameTimegameTime) • Callbacks from QSM (QSM Thread) • When packets are received, sent, acked etc. • Must do minimum work and leave!

  18. How to use QSM

  19. Launching QSM “client” using QS.CMS.Framework2; … ClientConfiguration configuration = newClientConfiguration( “192.168.0.0/24”, 10000, “192.168.0.100”); configuration.Verbose = true; … IClient client = Client.Create(configuration); select the NIC port number GMS address

  20. Joining a QSM group IGroup group = client.Open( new QS.CMS.Base3.GroupID(groupid), GroupOptions.FastCallbacks); how QSM interacts with your code numeric identifier

  21. Receiving from a group group.OnReceive += newIncomingCallback(ReceiveCallback); privatevoid ReceiveCallback( QS.CMS.Base3.InstanceID sender, QS.CMS.Base3.ISerializable message) { Message m = (Message) message; … called on receive your class

  22. Sending to a group (1) group.BufferedChannel.Send(newMessage(…)); you can send this way from any thread uses internal buffer to store messages you are sending

  23. Sending to a group (2a)

  24. Sending to a group (2b) group.ScheduleSend( newOutgoingCallback(SendCallback)); private void SendCallback( IChannel channel, uint maxsend, out bool hasmore) { channel.Send(newMessage(…)); hasmore = false; } unbuffered max # messages keep sending?

  25. Serialization • Built-in XML • Flexible, easy to use • Slow • Space-consuming • Built-in “binary” • Useless • QSM • Fast, supports scatter-gather I/O • Takes getting used to…

  26. “traditional” serialization

  27. “scatter-gather” serialization

  28. serialization in QSM

  29. Anatomy of a serializable class (1) (1) [QS.CMS.Base2.ClassID(Message.ClassID)] public sealed class Message : QS.CMS.Base3.ISerializable { public const ushort ClassID = (ushort) (QS.ClassID.UserMin + 100); public Message() { } (3) (2) (4)

  30. Anatomy of a serializable class (2) (6) unsafe QS.CMS.Base3.SerializableInfo QS.CMS.Base3.ISerializable.SerializableInfo { get { return new QS.CMS.Base3.SerializableInfo( ClassID, sizeof(uint) + 2 * sizeof(float)); } } (5) class identifier header size

  31. Anatomy of a serializable class (3) here you can copy unsafe void QS.CMS.Base3.ISerializable.SerializeTo( ref QS.Fx.Base.ConsumableBlock header, ref IList<QS.Fx.Base.Block> data) { fixed (byte* arrayptr = header.Array) { byte* headerptr = arrayptr + header.Offset; *((uint*)headerptr) = playerid; *((float*)(headerptr + sizeof(uint))) = x; *((float*)(headerptr + sizeof(uint) + sizeof(float))) = y; } header.consume(sizeof(uint) + 2 * sizeof(float)); } (7) append your buffers here (8) (9) (10)

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