added example networking file (that doesnt work)
This commit is contained in:
Sem van der Hoeven
205
core/src/temp/Networking.java
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205
core/src/temp/Networking.java
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@@ -0,0 +1,205 @@
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package temp;
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import com.badlogic.gdx.ApplicationListener;
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import com.badlogic.gdx.Gdx;
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import com.badlogic.gdx.Net.Protocol;
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import com.badlogic.gdx.graphics.GL20;
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import com.badlogic.gdx.graphics.OrthographicCamera;
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import com.badlogic.gdx.graphics.g2d.SpriteBatch;
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import com.badlogic.gdx.net.ServerSocket;
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import com.badlogic.gdx.net.ServerSocketHints;
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import com.badlogic.gdx.net.Socket;
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import com.badlogic.gdx.net.SocketHints;
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import com.badlogic.gdx.scenes.scene2d.InputEvent;
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import com.badlogic.gdx.scenes.scene2d.Stage;
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import com.badlogic.gdx.scenes.scene2d.ui.Label;
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import com.badlogic.gdx.scenes.scene2d.ui.Skin;
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import com.badlogic.gdx.scenes.scene2d.ui.TextArea;
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import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
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import com.badlogic.gdx.scenes.scene2d.ui.VerticalGroup;
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import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
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import com.badlogic.gdx.utils.viewport.FitViewport;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.Inet4Address;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.List;
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public class Networking implements ApplicationListener {
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private OrthographicCamera camera;
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private SpriteBatch batch;
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private Skin skin;
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private Stage stage;
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private Label labelDetails;
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private Label labelMessage;
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private TextButton button;
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private TextArea textIPAddress;
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private TextArea textMessage;
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// Pick a resolution that is 16:9 but not unreadibly small
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public final static float VIRTUAL_SCREEN_HEIGHT = 960;
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public final static float VIRTUAL_SCREEN_WIDTH = 540;
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@Override
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public void create() {
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camera = new OrthographicCamera(Gdx.graphics.getWidth(),Gdx.graphics.getHeight());
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batch = new SpriteBatch();
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// Load our UI skin from file. Once again, I used the files included in the tests.
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// Make sure default.fnt, default.png, uiskin.[atlas/json/png] are all added to your assets
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skin = new Skin(Gdx.files.internal("data/uiskin.json"));
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stage = new Stage();
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// Wire the stage to receive input, as we are using Scene2d in this example
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Gdx.input.setInputProcessor(stage);
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// The following code loops through the available network interfaces
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// Keep in mind, there can be multiple interfaces per device, for example
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// one per NIC, one per active wireless and the loopback
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// In this case we only care about IPv4 address ( x.x.x.x format )
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List<String> addresses = new ArrayList<String>();
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try {
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Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
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for(NetworkInterface ni : Collections.list(interfaces)){
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for(InetAddress address : Collections.list(ni.getInetAddresses()))
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{
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if(address instanceof Inet4Address){
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addresses.add(address.getHostAddress());
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}
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}
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}
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} catch (SocketException e) {
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e.printStackTrace();
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}
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// Print the contents of our array to a string. Yeah, should have used StringBuilder
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String ipAddress = new String("");
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for(String str:addresses)
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{
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ipAddress = ipAddress + str + "\n";
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}
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// Now setupt our scene UI
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// Vertical group groups contents vertically. I suppose that was probably pretty obvious
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VerticalGroup vg = new VerticalGroup().space(3).pad(5).fill();//.space(2).pad(5).fill();//.space(3).reverse().fill();
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// Set the bounds of the group to the entire virtual display
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vg.setBounds(0, 0, VIRTUAL_SCREEN_WIDTH, VIRTUAL_SCREEN_HEIGHT);
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// Create our controls
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labelDetails = new Label(ipAddress,skin);
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labelMessage = new Label("Hello world",skin);
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button = new TextButton("Send message",skin);
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textIPAddress = new TextArea("",skin);
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textMessage = new TextArea("",skin);
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// Add them to scene
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vg.addActor(labelDetails);
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vg.addActor(labelMessage);
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vg.addActor(textIPAddress);
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vg.addActor(textMessage);
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vg.addActor(button);
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// Add scene to stage
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stage.addActor(vg);
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// Setup a viewport to map screen to a 480x640 virtual resolution
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// As otherwise this is way too tiny on my 1080p android phone.
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stage.getCamera().viewportWidth = VIRTUAL_SCREEN_WIDTH;
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stage.getCamera().viewportHeight = VIRTUAL_SCREEN_HEIGHT;
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stage.getCamera().position.set(VIRTUAL_SCREEN_WIDTH / 2, VIRTUAL_SCREEN_HEIGHT / 2, 0);
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// Now we create a thread that will listen for incoming socket connections
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new Thread(new Runnable(){
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@Override
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public void run() {
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ServerSocketHints serverSocketHint = new ServerSocketHints();
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// 0 means no timeout. Probably not the greatest idea in production!
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serverSocketHint.acceptTimeout = 0;
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// Create the socket server using TCP protocol and listening on 9021
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// Only one app can listen to a port at a time, keep in mind many ports are reserved
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// especially in the lower numbers ( like 21, 80, etc )
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ServerSocket serverSocket = Gdx.net.newServerSocket(Protocol.TCP, 9021, serverSocketHint);
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// Loop forever
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while(true){
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// Create a socket
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Socket socket = serverSocket.accept(null);
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// Read data from the socket into a BufferedReader
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BufferedReader buffer = new BufferedReader(new InputStreamReader(socket.getInputStream()));
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try {
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// Read to the next newline (\n) and display that text on labelMessage
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labelMessage.setText(buffer.readLine());
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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}).start(); // And, start the thread running
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// Wire up a click listener to our button
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button.addListener(new ClickListener(){
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@Override
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public void clicked(InputEvent event, float x, float y){
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// When the button is clicked, get the message text or create a default string value
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String textToSend = new String();
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if(textMessage.getText().length() == 0)
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textToSend = "Doesn't say much but likes clicking buttons\n";
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else
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textToSend = textMessage.getText() + ("\n"); // Brute for a newline so readline gets a line
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SocketHints socketHints = new SocketHints();
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// Socket will time our in 4 seconds
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socketHints.connectTimeout = 4000;
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//create the socket and connect to the server entered in the text box ( x.x.x.x format ) on port 9021
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Socket socket = Gdx.net.newClientSocket(Protocol.TCP, textIPAddress.getText(), 9021, socketHints);
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try {
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// write our entered message to the stream
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socket.getOutputStream().write(textToSend.getBytes());
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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});
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}
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@Override
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public void dispose() {
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batch.dispose();
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}
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@Override
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public void render() {
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Gdx.gl.glClearColor(0.5f, 0.5f, 0.5f, 1);
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Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
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batch.setProjectionMatrix(camera.combined);
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batch.begin();
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stage.draw();
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batch.end();
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}
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@Override
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public void resize(int width, int height) {
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}
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@Override
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public void pause() {
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}
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@Override
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public void resume() {
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}
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}
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@@ -4,6 +4,7 @@ import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
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import netwerkprog.game.MainGame;
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import temp.Animator;
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import netwerkprog.game.GameApplicationConfiguration;
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import temp.Networking;
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public class DesktopLauncher {
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public static void main (String[] arg) {
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