Uploaded bykarim baidar
Multiplayer Java Game
This document describes a multiplayer Java game that uses stream sockets to allow two players to play from separate computers. The game has a server that maintains the game state and connects two client players. Stream sockets provide a connection-oriented service using TCP. The game framework includes classes for the game board, players, and the server that runs the main game logic and waits for client connections. Players are represented as client sockets that maintain their own GUI and can place marks on the shared game board by communicating with the server.
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Multiplayer Java Game
- 1. Multiplayer Java Stream-Socket Game By: KARIM BAIDAR
- 2. Objective The objective isto create a Multiplayer game where two distinct users can play that game from two distinct computers.
- 3. How It isOperated CLIENT CLIENT SERVER PLAYER ‘O’ PLAYER ‘X’
- 4. Stream Sockets ? •With stream sockets, a process establishes a connection to another process • Stream sockets are said to provide a connection-oriented service • The protocol used for transmission is the popular TCP (Transmission Control Protocol)
- 5. Class Framework ofGame • Box-listener Class ( Listens to user click Events on the surface board) • Box Class (Implements each of the nine square boxes on the surface board) • Client Class (Maintains its own GUI version)
- 6. Class Framework Cont.. •Player Class(Enable the clients to play the game independently) • Server Class(The server maintains the information about the Surface Board and Clients)
- 7. Implementation of Server •Via server we establish a connection using ServerSocket() • The server maintains the information about the surface board so it can determine whether a player’s move is a valid or invalid move.
- 8. Implementation of ServerCont.. • The game main logic is placed in Server class • Server class is the Main Class • Server waits for connection to connect two clients
- 9. ServerSocket • ServerSocket(Port Number, Clients); • Implements a socket that servers can use to listen for and accept connections to clients • A ServerSocket object establishes the port where a server waits for connections from clients.
- 10. ServerSocket Cont.. • Theserver assigns X to the first client to connect and O to second respectively • The second argument to the ServerSocket constructor specifies the number of clients that can wait for a connection and be processed by the server.
- 11. ServerSocket Cont.. • Itperforms some operation based on that request • Returns a result to the requester after processing
- 12. Implementation of Client •Sockets are initialized in Client as below – Socket connection = new Socket( server Address, port ); – Gets the socket's input and output stream and opens readers and writers on them. • Player X and Player O used in the game are both clients
- 13. Implementation of ClientCont.. • Each client applet maintains its own GUI version of the surface board on which it displays the state of the game • The clients can place a mark only in an empty square on the board
- 14. Implementation of Players •Runs a thread to handle Multi Players • Gets the socket's input and output stream and opens readers and writers on them. • Show messages from both Players X and O perspectives.
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- 16. Why we usedSockets in the Game ? • A socket is one endpoint of a two-way communication link between two programs running on the network • Stream-based connections are managed with Socket objects. • A Socket object connects a client to a server by specifying the server name and port number when creating the Socket object..
- 17. Note • Code andcomplete package is given. • Contact me at karimbaidar@yahoo.com