/// <summary>
/// udp数据包解析函数
/// </summary>
/// <param name="buf">字节数组</param>
private void Parse(byte[] buf)
{
MsgType msgType = MsgType.None;
Msg msg = null;
string str = Encoding.UTF32.GetString(buf);
string[] strs = str.Split('|');
msgType = (MsgType)Convert.ToInt32(strs[0]);
//通过不同的消息类型，对消息进行解析
switch (msgType)
{
case MsgType.TankNew:
msg = new TankNewMsg(ctrl);
msg.Parse(buf);
break;
case MsgType.TankMove:
msg = new TankMoveMsg(ctrl);
msg.Parse(buf);
break;
case MsgType.BulletNew:
msg = new BulletNewMsg(ctrl);
msg.Parse(buf);
break;
}
}
/// <summary>
/// 连接服务器并开启udp接受线程
/// </summary>
/// <param name="ip">服务器ip地址</param>
/// <param name="port">服务器端口号</param>
public bool Connect(string ip, int port)
{
try
{
this.ip = ip;
TcpClient client = new TcpClient();
client.Connect(ip, port);
Stream ns = client.GetStream();
BinaryWriter bw = new BinaryWriter(ns);
bw.Write(udpPort);
ns.Close();
client.Close();
TankNewMsg msg = new TankNewMsg(ctrl.myTank);
Send(msg);
//开启接收线程
Thread t = new Thread(UDPRecvThread);
t.IsBackground = true;
t.Start();
return(true);
}
catch
{
return(false);
}
}
/// <summary>
/// 解包
/// </summary>
/// <param name="b">二进制数据</param>
public void Parse(byte[] b)
{
string str = Encoding.UTF32.GetString(b);
string[] strs = str.Split('|');
string name = strs[1];
//如果数据包里是自己的坦克,则不处理
if (name == ctrl.myTank.Name)
{
return;
}
int x = Convert.ToInt32(strs[2]);
int y = Convert.ToInt32(strs[3]);
Direction dir = (Direction)Convert.ToInt32(strs[4]);
float[] color = new float[3];
color[0] = Convert.ToSingle(strs[5]);
color[1] = Convert.ToSingle(strs[6]);
color[2] = Convert.ToSingle(strs[7]);
bool exist = false;
for (int i = 0; i < ctrl.tanks.Count; i++)
{
Tank t = ctrl.tanks[i];
if (t.Name == name)
{
exist = true;
break;
}
}
//如果坦克不存在就创建出来
if (!exist)
{
TankNewMsg msg = new TankNewMsg(ctrl.myTank);
ctrl.nc.Send(msg);
Tank t = new Tank(name, x, y, dir, color);
t.Name = name;
ctrl.tanks.Add(t);
}
}