tankdeadmsg.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;

public class TankDeadMsg implements Msg {

	int msgType = Msg.TANK_DEAD_MSG;
	TankClient tc;
	Tank tank;

	public TankDeadMsg(Tank tank) {
		this.tank = tank;
	}

	public TankDeadMsg(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);
			dos.writeInt(tank.getTankId());
			dos.writeInt(tank.x);
			dos.writeInt(tank.y);
			dos.writeInt(tank.blood);
		} catch (IOException e) {
			e.printStackTrace();
		}
		byte[] buf = baos.toByteArray();
		try {
			DatagramPacket dp = new DatagramPacket(buf, buf.length,
					new InetSocketAddress(IP, udpPort));
			ds.send(dp);
		} catch (SocketException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

	public void parse(DataInputStream dis) {
		try {

			int tankId = dis.readInt();

			if (tc.tank.getTankId() == tankId) {
			
				return;
			}
			
			int x = dis.readInt();
			int y = dis.readInt();
			int blood = dis.readInt();
			
			for(int i=0; i<tc.playerTanks.size(); i++){
				
				Tank playerTank = tc.playerTanks.get(i);
				if(tankId==playerTank.getTankId()){
					playerTank.blood=blood;
					if(playerTank.blood<=0){
					playerTank.setLive(false);
					}
					tc.explodes.add(new Explode(x,y,tc));
				}
			}
			
		
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}