1.4-Arcade/control/NetworkHandler.java

package control;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;

import control.button.ButtonHandler;
import control.joystick.Joystick.Position;
import control.joystick.JoystickHandler;

public class NetworkHandler implements Runnable{

	private DatagramSocket udp;

	private String 	host;
	private int 	port;

	private boolean running;
	private Thread  t;

	private byte[] 	send,
					receive;

	private ButtonHandler bth;
	private JoystickHandler jth;
	
	public NetworkHandler(String host, int port, ButtonHandler bth, JoystickHandler jth)
	{
		this.host = host;
		this.port = port;
		
		this.bth = bth;
		this.jth = jth;
		
		udp = null;
		
		send = new byte[1024];
		receive = new byte[1024];
		
			try {
				udp = new DatagramSocket(1113);
			} catch (SocketException e) {
				e.printStackTrace();
			}
		
		running = true;
		t = new Thread(this);
		t.start();
	}
	
	public void setLed(int led, int r, int g , int b)
	{
		String cmd = "1|" + led + "|" + r + "|" + g + "|" + b + "\n";
		send(cmd);
	}
	
	public void show(){
		String cmd = "0\n";
		send(cmd);
	}
	
	private void send(String str)
	{
		try {
			DatagramPacket sendPacket = new DatagramPacket(str.getBytes(), str.length(), InetAddress.getByName(host), 1113);
			udp.send(sendPacket);
		} catch (UnknownHostException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}  
	}
	
	public void close()
	{
		running = false;
		udp.disconnect();
		udp.close();
	}

	@Override
	public void run() {
		
		while(running)
		{
			DatagramPacket receivePacket = new DatagramPacket(receive, receive.length);     
			try {
				udp.receive(receivePacket);
			} catch (IOException e) {
				e.printStackTrace();
			}                   
			String sentence = new String( receivePacket.getData());  
			
			sentence = sentence.trim();
			
			String[] controls = sentence.split("\\|");
			int[] control = new int[controls.length];
			for(int i=0; i<controls.length; i++)
				control[i] = Integer.parseInt(controls[i]);
			
			for(int i = 0; i < 7; i++){
				if(control[i] != ButtonHandler.getButton(i).pressed)
				{
					ButtonHandler.getButton(i).pressed = control[i];
					if(control[i] == 0)
						bth.buttonPress(ButtonHandler.getButton(i));
				}
			}
			
			if(control[7] == 0 && control[8] == 0){
				if(JoystickHandler.j.getPos() != Position.UP_LEFT)
				{
					JoystickHandler.j.setPosition(Position.UP_LEFT);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}
			else if(control[7] == 0 && control[9] == 0){
				if(JoystickHandler.j.getPos() != Position.UP_RIGHT)
				{
					JoystickHandler.j.setPosition(Position.UP_RIGHT);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}
			else if(control[10] == 0 && control[8] == 0){
				if(JoystickHandler.j.getPos() != Position.DOWN_LEFT)
				{
					JoystickHandler.j.setPosition(Position.DOWN_LEFT);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}
			else if(control[10] == 0 && control[9] == 0){
				if(JoystickHandler.j.getPos() != Position.DOWN_RIGHT)
				{
					JoystickHandler.j.setPosition(Position.DOWN_RIGHT);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}
			
			else if(control[7] == 0){
				if(JoystickHandler.j.getPos() != Position.UP)
				{
					JoystickHandler.j.setPosition(Position.UP);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}
			else if(control[8] == 0){
				if(JoystickHandler.j.getPos() != Position.LEFT)
				{
					JoystickHandler.j.setPosition(Position.LEFT);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}
			else if(control[9] == 0){
				if(JoystickHandler.j.getPos() != Position.RIGHT)
				{
					JoystickHandler.j.setPosition(Position.RIGHT);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}
			else if(control[10] == 0){
				if(JoystickHandler.j.getPos() != Position.DOWN)
				{
					JoystickHandler.j.setPosition(Position.DOWN);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}else {
				if(JoystickHandler.j.getPos() != Position.CENTER){
					JoystickHandler.j.setPosition(Position.CENTER);
					jth.onJoystickMoved(JoystickHandler.j);
				}
			}
		}
			
	}
}