public static void EncodedCommand(NetState state, CircularBufferReader reader, ref int packetLength)
{
var e = World.FindEntity(reader.ReadUInt32());
int packetId = reader.ReadUInt16();
var ph = IncomingPackets.GetEncodedHandler(packetId);
if (ph == null)
{
reader.Trace(state);
return;
}
if (ph.Ingame && state.Mobile == null)
{
state.WriteConsole(
"Sent in-game packet (0xD7x{0:X2}) before being attached to a mobile",
packetId
);
state.Disconnect($"Sent in-game packet (0xD7x{packetId:X2}) before being attached to a mobile.");
}
else if (ph.Ingame && state.Mobile.Deleted)
{
state.Disconnect($"Sent in-game packet(0xD7x{packetId:X2}) but mobile is deleted.");
}
else
{
ph.OnReceive(state, e, new EncodedReader(reader));
}
}
public static void DecodeBundledPacket(NetState state, CircularBufferReader reader, ref int packetLength)
{
int packetID = reader.ReadByte();
PacketHandler ph = GetHandler(packetID);
if (ph == null)
{
return;
}
if (ph.Ingame && state.Mobile == null)
{
state.WriteConsole("Sent in-game packet (0xBFx{0:X2}) before having been attached to a mobile", packetID);
state.Disconnect("Sent in-game packet before being attached to a mobile.");
}
else if (ph.Ingame && state.Mobile.Deleted)
{
state.Disconnect(string.Empty);
}
else
{
ph.OnReceive(state, reader, ref packetLength);
}
}
public static void PollInfo(NetState ns, CircularBufferReader reader, ref int packetLength)
{
var version = reader.ReadByte();
if (_token != null)
{
unsafe {
byte *tok = stackalloc byte[_token.Length];
var span = new Span <byte>(tok, _token.Length);
reader.Read(span);
if (!span.SequenceEqual(_token))
{
ns.Disconnect("Invalid token sent for ConnectUO");
return;
}
}
}
ns.WriteConsole($"ConnectUO (v{version}) is requesting stats.");
if (version > ConnectUOProtocolVersion)
{
Utility.PushColor(ConsoleColor.Yellow);
ns.WriteConsole("Warning! ConnectUO (v{version}) is newer than what is supported.");
Utility.PopColor();
}
ns.SendServerPollInfo();
}
public static void DisplayGumpResponse(NetState state, CircularBufferReader reader, ref int packetLength)
{
var serial = reader.ReadUInt32();
var typeID = reader.ReadInt32();
var buttonID = reader.ReadInt32();
foreach (var gump in state.Gumps)
{
if (gump.Serial != serial || gump.TypeID != typeID)
{
continue;
}
var buttonExists = buttonID == 0; // 0 is always 'close'
if (!buttonExists)
{
foreach (var e in gump.Entries)
{
if (e is GumpButton button && button.ButtonID == buttonID)
{
buttonExists = true;
break;
}
if (e is GumpImageTileButton tileButton && tileButton.ButtonID == buttonID)
{
buttonExists = true;
break;
}
}
}
if (!buttonExists)
{
state.WriteConsole("Invalid gump response, disconnecting...");
state.Disconnect("Invalid gump response.");
return;
}
var switchCount = reader.ReadInt32();
if (switchCount < 0 || switchCount > gump.m_Switches)
{
state.WriteConsole("Invalid gump response, disconnecting...");
state.Disconnect("Invalid gump response.");
return;
}
var switches = new int[switchCount];
for (var j = 0; j < switches.Length; ++j)
{
switches[j] = reader.ReadInt32();
}
var textCount = reader.ReadInt32();
if (textCount < 0 || textCount > gump.m_TextEntries)
{
state.WriteConsole("Invalid gump response, disconnecting...");
state.Disconnect("Invalid gump response.");
return;
}
var textEntries = new TextRelay[textCount];
for (var j = 0; j < textEntries.Length; ++j)
{
int entryID = reader.ReadUInt16();
int textLength = reader.ReadUInt16();
if (textLength > 239)
{
state.WriteConsole("Invalid gump response, disconnecting...");
state.Disconnect("Invalid gump response.");
return;
}
var text = reader.ReadBigUniSafe(textLength);
textEntries[j] = new TextRelay(entryID, text);
}
state.RemoveGump(gump);
var prof = GumpProfile.Acquire(gump.GetType());
prof?.Start();
gump.OnResponse(state, new RelayInfo(buttonID, switches, textEntries));
prof?.Finish();
return;
}
if (typeID == 461)
{
// Virtue gump
var switchCount = reader.ReadInt32();
if (buttonID == 1 && switchCount > 0)
{
var beheld = World.FindMobile(reader.ReadUInt32());
if (beheld != null)
{
EventSink.InvokeVirtueGumpRequest(state.Mobile, beheld);
}
}
else
{
var beheld = World.FindMobile(serial);
if (beheld != null)
{
EventSink.InvokeVirtueItemRequest(state.Mobile, beheld, buttonID);
}
}
}
}