Java代写 | 网络编程 | Network Programming (NP) Assignment

本次澳洲IT代写之Java网络编程代写主要是用TCP/UDP/Socket等网络组件完成一个包含客户端及服务端的对战网络游戏开发。

Aims: Apply the learnt networking concepts to a practical application

Instructions

  • This assignment contributes 25% to your final marks.
  • There are two options, Task A and Task B. You only need to choose either A or B.
    • Task A (includes A1 and A2) is an individual work.
    • Task B is a group based (max. 3 members).
  • Due date: 23:59pm 18th May 2019.
  • Your program will be marked on the Netprog1 and Netprog2 server. You must demonstrate your solution in the lab to get it marked (No demo, no marks).

Submission

  • Submission via Canvas. Please zip all your documents, and use your student number, e.g., s3255601, as the file name for submission.
  • Your submission should consist of following parts:
    •  All Java source files.
    • A sequence diagram to indicate the communications between clients and server.
    • User manual with screenshot of execution of each step in netprog1 and netprog2 to describe
      •  how to compile and run the program in Netprog servers.
      •  how the program operates.

Note: You need to insert comments into your program with correct code practice specified in lab 1, as appropriate.

Task A Develop a simple game played via the network.

The game is implemented with separate client and server machines. The player is sitting in front of the client machine (one player per client), and the server is administering the game. You are required to implement the game in two stages:

  • Stage 1: Single-player game: one client communications with the server. When you have completed stage 1, save a copy of it for submission.
  • Stage 2: Multiplayer game: you need to modify the server so that it can handle several (up to 6) clients simultaneously.

A.1 Single player version

It is a simple guessing game. The server generates a number between 0 and 9. The client’s task is to guess the number (up to a maximum of 4 guesses).

  • If the client correctly guesses the number, i.e. the guess number X matches the generated number, the server announces “Congratulation”.
  • If the client fails to guess the number. For each incorrect guess, the client gets a clue:
    • The client’s guess number X is bigger than the generated number, or
    • The client’s guess number X is smaller than the generated number,
    • After 4 attempts incorrect guess, the server announces the answer.

A.2 Multiplayer version

The server maintains a lobby queue. Clients are required to register with the server (using their first name) to be added to the lobby queue before they can play. Clients can register at any time.

The game is played in rounds. At the start of each round, the server takes the first three clients from the lobby (or all the clients if there are less than three clients in the lobby), and starts the round.

  • First the server announces the name of 3 participants.
  • Each player can guess at any time (with their number of guesses tracked by the server).

Once all plays have either:

  • Correctly guessed the generated number,
  • Reached their maximum guess of 4,
  • Chosen “e” to exit from the guess.

The server announces to all the clients the number of guesses for each client.

  • Players can then choose to play again (p), or quit (q).
  • The players that choose to play again are added back into the end of the lobby queue, and the process repeats with a new round.

Program components

You must use Java for programming. The communication is via sockets. You need to choose the appropriate socket for each task and explain why that socket is the most suitable.

• The client

It connects to the server, signs up for each game round, guesses numbers and forwards them to the server. It displays the server’s messages to the player.

• The server

It maintains a lobby queue, accepts players’ (clients’) requests to sign up, and selects the players for each round. It also manages the game.

  • First it announces the number of players and generates a random number between 0 and 9.
  • In the guessing phase, it takes guesses from players, compares it to the generated number and

    sends the feedback to the player while updating their guess count.

  • After all players have completed their game (by correctly guessing/reaching maximum

    guesses/choosing to escape), the server announces the final rankings based on number of guesses, and allows players to either play again by entering “p” or quit by entering “q”.

Miscellaneous

  • A simple text user interface will suffice. The user (player) should be notified about events and messages sent by the server. This includes information sent by the server about other players in the multiplayer game.
  • In the multiplayer version, make sure that clients are handled correctly when signing up for the game and starting the game.

程序代写代做C/C++/JAVA/安卓/PYTHON/留学生/PHP/APP开发/MATLAB


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