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Fixed transfering breaking on multiple versions

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Anon 2026-03-25 14:05:43 +01:00
parent 52eda4ccdd
commit 41a1a1db9b
4 changed files with 81 additions and 17 deletions
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85
MinecraftClient/McClient.cs
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@ -75,8 +75,8 @@ namespace MinecraftClient
private int sequenceId; // User for player block synchronization (Aka. digging, placing blocks, etc..)
private bool CanSendMessage = false;
private readonly string host;
private readonly int port;
private string host;
private int port;
private readonly int protocolversion;
private readonly string username;
private Guid uuid;
@ -159,6 +159,7 @@ namespace MinecraftClient
SessionToken _sessionToken;
CancellationTokenSource? cmdprompt = null;
Tuple<Thread, CancellationTokenSource>? timeoutdetector = null;
private int transferInProgress = 0;
public ILogger Log;
@ -335,16 +336,34 @@ namespace MinecraftClient
public void Transfer(string newHost, int newPort)
{
// Do not block here: a new handler can start processing packets before the
// previous transfer call fully unwinds, and waiting can deadlock main-thread work.
if (Interlocked.CompareExchange(ref transferInProgress, 1, 0) != 0)
{
Log.Warn($"Ignoring overlapping transfer to {newHost}:{newPort} because another transfer is still in progress.");
return;
}
IMinecraftCom oldHandler = handler;
TcpClient oldClient = client;
try
{
Log.Info($"Initiating a transfer to: {host}:{port}");
Log.Info($"Initiating a transfer to: {newHost}:{newPort}");
// Unload bots
UnloadAllBots();
bots.Clear();
ResetStateForTransfer();
// Close existing connection
client.Close();
// Retire the old handler so its updater exits without reporting a stale disconnect.
oldHandler.Dispose();
oldClient.Close();
host = newHost;
port = newPort;
UpdateKeepAlive();
// Establish new connection
client = ProxyHandler.NewTcpClient(newHost, newPort);
@ -353,20 +372,17 @@ namespace MinecraftClient
// Reinitialize the protocol handler
handler = Protocol.ProtocolHandler.GetProtocolHandler(client, protocolversion, null, this);
Log.Info($"Connected to {host}:{port}");
Log.Info($"Connected to {newHost}:{newPort}");
// Retry login process
if (handler.Login(playerKeyPair, _sessionToken))
if (handler.Login(playerKeyPair, _sessionToken, isTransfer: true))
{
foreach (var bot in botsOnHold)
BotLoad(bot, false);
botsOnHold.Clear();
Log.Info("Successfully transferred connection and logged in.");
cmdprompt = new CancellationTokenSource();
ConsoleInteractive.ConsoleReader.BeginReadThread();
ConsoleInteractive.ConsoleReader.MessageReceived += ConsoleReaderOnMessageReceived;
ConsoleInteractive.ConsoleReader.OnInputChange += ConsoleIO.AutocompleteHandler;
UpdateKeepAlive();
Log.Info($"Successfully transferred connection and logged in to {newHost}:{newPort}.");
}
else
{
@ -378,6 +394,22 @@ namespace MinecraftClient
{
Log.Error($"Transfer to {newHost}:{newPort} failed: {ex.Message}");
try
{
handler.Dispose();
}
catch
{
}
try
{
client.Close();
}
catch
{
}
// Handle reconnection attempts
if (timeoutdetector is not null)
{
@ -400,8 +432,35 @@ namespace MinecraftClient
Program.HandleFailure();
}
throw new Exception("Transfer failed and reconnection attempts exhausted.");
throw new Exception("Transfer failed and reconnection attempts exhausted.", ex);
}
finally
{
Interlocked.Exchange(ref transferInProgress, 0);
}
}
private void ResetStateForTransfer()
{
ClearTasks();
ConsoleIO.CancelAutocomplete();
SetCanSendMessage(false);
locationReceived = false;
physicsInitialized = false;
isUnderSlab = false;
path = null;
pathTarget = null;
_yaw = null;
_pitch = null;
LastDigPosition = null;
RemainingDiggingTime = 0;
nextSneakingUpdate = DateTime.Now;
physicsInput.Reset();
world.Clear();
entities.Clear();
ClearInventories();
}
/// <summary>