tankfiremsg.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 TankFireMsg implements Msg {

	int msgType = Msg.TANK_FIRE_MSG;
	TankClient tc;
	Missile missile;

	public TankFireMsg(Missile missile) {
		this.missile = missile;
	}

	public TankFireMsg(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(missile.tankId);
			dos.writeInt(missile.missileId);
			dos.writeInt(missile.x);
			dos.writeInt(missile.y);
			dos.writeInt(missile.dir.ordinal());
			dos.writeBoolean(missile.good);
			dos.writeBoolean(missile.auto);
		} 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 missileId = dis.readInt();
			int x = dis.readInt();
			int y = dis.readInt();
			Direction dir = Direction.values()[dis.readInt()];
			boolean good = dis.readBoolean();
			boolean auto = dis.readBoolean();
			
			System.out.println("tankid:" + tankId +"misslieid:" + missileId + "-x:" + x + "-y:" + y + "-dir:"
					+ dir + "-good:" + good);


		    tc.ms.add(new Missile(tankId,missileId,x, y, dir, good,auto, this.tc));

		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}