usertalkmsg.java

基于尚学堂坦克大战的基础上开发,支持多人对战,在线聊天,坦克大战网络版.

import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetSocketAddress;
import java.net.SocketException;

/**
 * 用户在加入页面时，聊天窗口发送出的消息类,为玩家进行游戏时提供良好的互动交流
 * @author Nightelf暗夜精灵
 *
 */
public class UserTalkMsg implements Msg {

	int msgType = Msg.USER_TALK_MSG;

    private TankClient tc;
    
	public UserTalkMsg(TankClient tc) {
		this.tc=tc;
	}

	public void send(DatagramSocket ds, String IP, int udpPort) {

		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		DataOutputStream dos = new DataOutputStream(baos);
		try {
			dos.writeInt(msgType);
			System.out.println("发送前"+tc.join.talk.getText());
			dos.writeUTF(tc.tank.getUser());
			dos.writeUTF(tc.join.talk.getText());
	    	byte[] buf = baos.toByteArray();
			DatagramPacket dp = new DatagramPacket(buf, buf.length,
					new InetSocketAddress(IP, udpPort));
			ds.send(dp);
		} catch (Exception e) {
			e.printStackTrace();
		}

	}

	public void parse(DataInputStream dis) {
		try {
				String user =dis.readUTF();
				String say = dis.readUTF();
				String line = System.getProperty("line.separator");
				tc.join.talkArea.append(user+"说："+say);
				tc.join.talkArea.append(line);
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}