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This article introduces the relevant knowledge of "how to write a simple online game client using VS". In the operation of actual cases, many people will encounter such a dilemma. Next, let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

one。 Test connection to the server

1. Open cmd and enter ping 10.1.230.74

two。 Enter telnet to enter the telnet interface

3. Enter set localecho to turn on the local echo:

4. To connect to the server, enter the command open 10.1.230.74 3900

two。 Design client

1. New project

Open VS2022 and select New Windows forms Application

If it is not found, the corresponding configuration is not installed. You can add tools.

Choice

You can find it if the installation is successful.

two。 Design interface

After the new project is completed, you will go directly to the Form1.cs [Design] window, where you can click on the toolbox and drag the control to the design window.

The design window is as follows:

3. Control event

Implement to connect to the server and accept data

Double-click to enter the game's Button

Add the following code:

Private void button1_Click (object sender, EventArgs e) {try {/ / issue a connection request tcpClient.Connect ("10.1.230.41", 3900) to the server at the specified IP address; listBox1.Items.Add ("connection succeeded!") ; stream = tcpClient.GetStream (); byte [] data = new byte [1024]; / / determine whether the network flow is readable if (stream.CanRead) {int len = stream.Read (data, 0, data.Length) String msg = Encoding.Default.GetString (data, 0, data.Length); string str = "\ r\ n"; char [] str1 = str.ToCharArray (); string [] msg1 = msg.Split (str1); for (int j = 0; j < msg1.Length) ) {listBox1.Items.Add (msg1 [j]); music_play ();} catch {listBox1.Items.Add ("connection failed!") ;}}

Realize that the client sends data to the server

Double-click the sent Button

Add the following code:

Private void button12_Click (object sender, EventArgs e) {music_play (); if (tcpClient.Connected) {/ / send data to the server string msg = textBox1.Text; Byte [] outbytes = System.Text.Encoding.Default.GetBytes (msg + "\ n") Stream.Write (outbytes, 0, outbytes.Length); byte [] data = new byte [1024]; / / receive server reply data if (stream.CanRead) {int len = stream.Read (data, 0, data.Length) String msg1 = Encoding.Default.GetString (data, 0, data.Length); string str = "\ r\ n"; char [] str1 = str.ToCharArray (); string [] msg2 = msg1.Split (str1); for (int j = 0; j < msg2.Length) ) {listBox1.Items.Add (msg2 [j]);} else {listBox1.Items.Add ("disconnected");} textBox1.Clear ();}

Play background music

Find the Form1.resx file in the project structure and open it

Select audio and add resources

Note that the file type is .wav, you can't simply change the suffix here, you need to convert it with a format conversion tool.

Add a playback function to the code

Private void music_play () {SoundPlayer sp = new SoundPlayer (); sp.SoundLocation = @ "Liu Junyu, Liu Yiqiao, Jin Haitian-Iron Blood Danxin .wav"; / / the name of your music file, and note that it must be a wav file sp.PlayLooping ();}

This function is called when the client sends data.

Change the background picture of the game regularly and automatically.

Go back to the window of Form1.cs [Design]

Find the Timer control in the toolbox and drag it to a blank area of the window

Click timer1, find the Interval in the settings, set it to 30000, and set Enable to true.

Get the background picture ready. Here you use the jpg picture, and name the picture a number starting with 1.

Double-click timer1

Add code:

Private void timer1_Tick (object sender, EventArgs e) {Thread th = new Thread (pic_play); th.IsBackground = true; th.Start ();}

Add picture switch function

Void pic_play () {picture++; / / remember to define the variable picture string picturePath = @ "C:\ Users\ 28205\ Pictures\ game\" + picture+ ".jpg"; / / set the image fill pictureBox1.SizeMode = PictureBoxSizeMode.Zoom; pictureBox1.Image = Image.FromFile (picturePath); if (picture = = 6) picture = 0 } three. Running effect

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