void ReadPacket(byte opcode)
{
reader.Skip(1); // remove opcode
lastOpcode = (Opcode)opcode;
Action handler = handlers[opcode];
lastPacket = DateTime.UtcNow;
if (handler == null)
{
throw new NotImplementedException("Unsupported packet:" + (Opcode)opcode);
}
handler();
}
public override void Tick(ScheduledTask task)
{
if (Disconnected)
{
return;
}
if (connecting)
{
TickConnect(); return;
}
if ((DateTime.UtcNow - lastPacket).TotalSeconds >= 30)
{
CheckDisconnection(task.Interval);
}
if (Disconnected)
{
return;
}
try {
reader.ReadPendingData();
} catch (SocketException ex) {
ErrorHandler.LogError("reading packets", ex);
game.Disconnect("&eLost connection to the server", "I/O error when reading packets");
return;
}
while ((reader.size - reader.index) > 0)
{
byte opcode = reader.buffer[reader.index];
// Workaround for older D3 servers which wrote one byte too many for HackControl packets.
if (cpeData.needD3Fix && lastOpcode == Opcode.CpeHackControl && (opcode == 0x00 || opcode == 0xFF))
{
Utils.LogDebug("Skipping invalid HackControl byte from D3 server.");
reader.Skip(1);
LocalPlayer player = game.LocalPlayer;
player.physics.jumpVel = 0.42f; // assume default jump height
player.physics.serverJumpVel = player.physics.jumpVel;
continue;
}
if (opcode >= handlers.Length)
{
game.Disconnect("Disconnected!", "Server sent invalid packet " + opcode + "!"); return;
}
if ((reader.size - reader.index) < packetSizes[opcode])
{
break;
}
reader.Skip(1); // remove opcode
lastOpcode = opcode;
lastPacket = DateTime.UtcNow;
Action handler = handlers[opcode];
if (handler == null)
{
game.Disconnect("Disconnected!", "Server sent invalid packet " + opcode + "!"); return;
}
handler();
}
reader.RemoveProcessed();
// Network is ticked 60 times a second. We only send position updates 20 times a second.
if ((netTicks % 3) == 0)
{
CoreTick();
}
netTicks++;
}
public override void Tick(ScheduledTask task)
{
if (Disconnected)
{
return;
}
if ((DateTime.UtcNow - lastPacket).TotalSeconds >= 30)
{
CheckDisconnection(task.Interval);
}
if (Disconnected)
{
return;
}
LocalPlayer player = game.LocalPlayer;
this.task = task;
try
{
reader.ReadPendingData();
}
catch (SocketException ex)
{
ErrorHandler.LogError("reading packets", ex);
game.Disconnect("&eLost connection to the server", "I/O error when reading packets");
Dispose();
return;
}
while ((reader.size - reader.index) > 0)
{
byte opcode = reader.buffer[reader.index];
// Workaround for older D3 servers which wrote one byte too many for HackControl packets.
if (cpeData.needD3Fix && lastOpcode == Opcode.CpeHackControl && (opcode == 0x00 || opcode == 0xFF))
{
Utils.LogDebug("Skipping invalid HackControl byte from D3 server.");
reader.Skip(1);
player.physics.jumpVel = 0.42f; // assume default jump height
player.physics.serverJumpVel = player.physics.jumpVel;
continue;
}
if (opcode > maxHandledPacket)
{
ErrorHandler.LogError("NetworkProcessor.Tick",
"received an invalid opcode of " + opcode);
reader.Skip(1);
continue;
}
if ((reader.size - reader.index) < packetSizes[opcode])
{
break;
}
ReadPacket(opcode);
}
reader.RemoveProcessed();
if (receivedFirstPosition)
{
SendPosition(player.Position, player.HeadY, player.HeadX);
}
CheckAsyncResources();
wom.Tick();
}
