public void Main()
{
while (ShouldReceive)
{
try
{
if (Stream == null)
{
return;
}
//the main function that receives packet data
byte[] buffer = new byte[2];
int readTotal = 0;
//reading the length of the packet
Stream.Read(buffer, 0, 2);
if (buffer[0] == 0)
{
continue;
}
byte length = buffer[0];
if (length < 2 && PACKET_DEBUG)
{
//we're not interested in any packets less than 2.
//Could happen if a client other than a DansWorld client tries to connect.
Logger.Error("Packet of length less than 2 received");
continue;
}
//initiating a new byte array of the packet length
byte[] data = new byte[length];
//while there's still data to read
while (readTotal < length)
{
//filling the byte array with the data read from the stream
int read = Stream.Read(data, 0, length);
if (read == 0 && PACKET_DEBUG)
{
Logger.Warn("Packet seems empty..");
return;
}
readTotal += read;
}
StringBuilder sb = new StringBuilder();
sb.Append("Packet Data: ");
for (int i = 0; i < data.Length; i++)
{
sb.Append("{" + data[i] + "} ");
}
if (PACKET_DEBUG)
{
Logger.Log(sb.ToString());
}
//building up the received packet data using the received byte array
PacketBuilder pb = new PacketBuilder().AddBytes(data);
Packet pkt = pb.Build();
//if we have an accepted login packet
if (pkt.Family == PacketFamily.LOGIN)
{
if (pkt.Action == PacketAction.ACCEPT)
{
//debug output
_gameClient.DisplayMessage("Login accepted");
//we're going to set the state of the client to logged in
_gameClient.SetState(GameExecution.GameState.LoggedIn);
//while we still have players to read the data of
while (pkt.ReadPosition < pkt.RawData.Length)
{
int nameLength = pkt.ReadByte();
if (nameLength > 0)
{
PlayerCharacter c = new PlayerCharacter()
{
Name = pkt.ReadString(nameLength),
Level = pkt.ReadByte(),
Gender = (Gender)pkt.ReadByte()
};
_gameClient.AddPlayerCharacter(c);
}
}
}
else
{
//if the login wasn't accepted, the person should get the reason as to why
_gameClient.DisplayMessage(pkt.ReadString(pkt.Length - 2));
}
}
else if (pkt.Family == PacketFamily.REGISTER)
{
if (pkt.Action == PacketAction.ACCEPT)
{
//registration was complete, we can now go back to the main menu to log in to the created account
_gameClient.SetState(GameExecution.GameState.MainMenu);
_gameClient.DisplayMessage("Account created! Username: "******"" : p.Name));
}
}
//server sent an announcement
else if (pkt.Family == PacketFamily.SERVER)
{
if (pkt.Action == PacketAction.TALK)
{
string message = pkt.ReadString(pkt.ReadInt());
_gameClient.DisplayMessage(message, "SERVER");
}
}
//if we got a ping request, we'll send back a pong request to satisfy the server
else if (pkt.Family == PacketFamily.CONNECTION)
{
if (pkt.Action == PacketAction.PING)
{
PacketBuilder pBuilder = new PacketBuilder(PacketFamily.CONNECTION, PacketAction.PONG);
DateTime now = DateTime.Now.ToUniversalTime();
DateTime fromServer = DateTime.ParseExact(pkt.ReadString(pkt.ReadInt()), "hh.mm.ss.ffffff", CultureInfo.InvariantCulture);
TimeSpan t = now.Subtract(fromServer);
string nowString = now.ToShortTimeString();
pBuilder = pBuilder.AddInt(nowString.Length).AddString(nowString);
Send(pBuilder.Build());
_gameClient.ShowPing(t.Milliseconds);
}
}
else if (pkt.Family == PacketFamily.ENEMY)
{
//an enemy has been added to the game
if (pkt.Action == PacketAction.WELCOME)
{
Enemy enemy = new Enemy();
enemy.ID = pkt.ReadInt();
enemy.Name = pkt.ReadString(pkt.ReadByte());
enemy.Facing = (Direction)pkt.ReadByte();
enemy.X = pkt.ReadInt();
enemy.Y = pkt.ReadInt();
enemy.Vitality = pkt.ReadInt();
enemy.Level = pkt.ReadByte();
enemy.MaxHealth = pkt.ReadInt();
enemy.Health = pkt.ReadInt();
enemy.SpriteID = pkt.ReadInt();
enemy.ServerID = pkt.ReadByte();
_gameClient.AddEnemy(enemy);
}
//an enemy moved
else if (pkt.Action == PacketAction.MOVE)
{
int id = pkt.ReadInt();
int x = pkt.ReadInt();
int y = pkt.ReadInt();
byte facing = pkt.ReadByte();
foreach (Enemy enemy in _gameClient.GetEnemies())
{
if (enemy.ServerID == id)
{
enemy.X = x;
enemy.Y = y;
enemy.Facing = (Direction)facing;
break;
}
}
}
//an enemy took damage
else if (pkt.Action == PacketAction.TAKE_DAMAGE)
{
int id = pkt.ReadInt();
int hp = pkt.ReadInt();
foreach (Enemy enemy in _gameClient.GetEnemies())
{
if (enemy.ID == id)
{
enemy.Health = hp;
break;
}
}
}
}
}
catch (Exception e)
{
Logger.Error(e.Message + " Stack " + e.StackTrace);
continue;
}
}
}
