Project Darkstar A Scalable Application Server For Games-Books Pdf

Project Darkstar A Scalable Application Server for Games
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Presentation Agenda,What is Project Darkstar,Motivations for its design. Problems that it solves,Example Application Project Snowman. Overview of game design,Implementation with Project Darkstar. What is Project Darkstar,Project Darkstar Analysis. Dark star A theoretical,object that due to its,large mass has a surface.
escape veloc,Thank you Mr Data,Image From Star Trek TNG Ship in a Bottle. Project Darkstar Overview, An enterprise quality software platform that simplifies. the development of multiplayer online games,Written entirely in Java. Automatically handles many infrastructure,requirements on the server side of such games. Communications,Thread management,Contention management.
Persistence,Automatic Scaling,Goal Write a networked multiplayer game. Problem Where do I start,Network Server,Useful Diagram. Observation Most games share the same coarse,grained tasks between the client and server. What are they,Client Server,Client Server,Login Request. Authentication,Success Failure,Start Game,Client Server.
Login Request,Authentication,Success Failure,Start Game. Game Action Messages Process Messages,Result Messages. Process Results,Client C State,Game Other Clients Absolute. Client Server,Login Request,Authentication,Success Failure. Start Game,Game Action Messages Process Messages,Result Messages.
Process Results,Client C State,Game Other Clients Absolute. Process Logout Logout Disconnect Process Logout,Problem 1 Communications. Just setting up a system to,handle logins and Get Communications back online. messages is hard work,Network Programming,Sockets RMI. I don t want to do that I,want to write a Game,I can t sir The rmiregistry.
Image From Star Trek TNG Encounter At Farpoint,Problem 1 Communications. Project Darkstar abstracts away ALL Network,Programming mechanics. Provides intuitive API to handle all of the coarse. grained behavior of the communication between,client and server shown previously. How easy is it Three interfaces on the server side. AppListener initialization and logins,ClientSessionListener receiving messages. ClientSession sending messages,AppListener,Login Request.
public void initialize Properties props,ClientSessionListener loggedIn ClientSession s. Success Failure,ClientSessionListener,Result Messages. ClientSession send ByteBuffer message,ClientSessionListener. Game Action Messages,public void receivedMessage ByteBuffer message. public void disconnected boolean graceful,Logout Disconnect.
AppListener,Login Request,public void initialize Properties props. ClientSessionListener loggedIn ClientSession s,Success Failure. ClientSessionListener,Game Action Messages,public void receivedMessage ByteBuffer message. Result Messages,ClientSession send ByteBuffer message. public void disconnected boolean graceful,Logout Disconnect.
Problem 1 Communications,What about the client,Language agnostic. A client API can be easily implemented in any language by. conforming to the wire protocol,Our Java implementation One class and one. SimpleClient logins logouts and sending messages,SimpleClientListener receiving messages and login.

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