private static void ProcessRdpReport(Session MySession, List <byte> MyPacket, bool UnreliableReport)
{
//Eventually incorporate UnreliableReport to cycle through unreliables and update accordingly
//Read client bundle here. Accept client bundle as is because packets could be lost or dropped, client bundle# should not be "tracked"
//considerations could be to track it for possible drop/lost rates
MySession.clientBundleNumber = (ushort)(MyPacket[1] << 8 | MyPacket[0]);
ushort LastRecvBundleNumber = (ushort)(MyPacket[3] << 8 | MyPacket[2]);
ushort LastRecvMessageNumber = (ushort)(MyPacket[5] << 8 | MyPacket[4]);
//Check our list of reliable messages to remove
for (int i = 0; i < MySession.MyMessageList.Count(); i++)
{
//If our message stored is less then client ack, need to remove it!
if (MySession.MyMessageList[i - i].ThisMessagenumber <= LastRecvMessageNumber)
{
MySession.MyMessageList.RemoveAt(0);
}
//Need to keep remaining messages, move on
else
{
break;
}
}
MyPacket.RemoveRange(0, 6);
///Only one that really matters, should tie into our packet resender stuff
if (MySession.serverMessageNumber >= LastRecvMessageNumber)
{
///This should be removing messages from resend mechanics.
///Update our last known message ack'd by client
MySession.clientRecvMessageNumber = LastRecvMessageNumber;
}
///Triggers creating master session
if (((MySession.clientEndpoint + 1) == (MySession.sessionIDBase & 0x0000FFFF)) && MySession.SessionAck && MySession.serverSelect == false)
{
///Key point here for character select is (MySession.clientEndpoint + 1 == MySession.sessionIDBase)
///SessionIDBase is 1 more then clientEndPoint
///Assume it's Create Master session?
Session NewMasterSession = new Session(MySession.clientEndpoint, MySession.MyIPEndPoint, MySession.AccountID);
SessionManager.AddMasterSession(NewMasterSession);
}
///Trigger Server Select with this?
else if ((MySession.clientEndpoint == (MySession.sessionIDBase & 0x0000FFFF)) && MySession.SessionAck && MySession.serverSelect == false)
{
MySession.serverSelect = true;
}
///Triggers Character select
else if (MySession.CharacterSelect && (MySession.clientEndpoint != MySession.sessionIDBase))
{
MySession.CharacterSelect = false;
List <Character> MyCharacterList = new List <Character>();
Logger.Info("Generating Character Select");
MyCharacterList = SQLOperations.AccountCharacters(MySession);
//Assign to our session
MySession.CharacterData = MyCharacterList;
ProcessOpcode.CreateCharacterList(MyCharacterList, MySession);
}
else if (MySession.Dumpstarted)
{
//Let client know more data is coming
if (MySession.MyDumpData.Count() > 500)
{
List <byte> ThisChunk = MySession.MyDumpData.GetRange(0, 500);
MySession.MyDumpData.RemoveRange(0, 500);
///Handles packing message into outgoing packet
RdpCommOut.PackMessage(MySession, ThisChunk, MessageOpcodeTypes.MultiShortReliableMessage);
}
//End of dump
else
{
List <byte> ThisChunk = MySession.MyDumpData.GetRange(0, MySession.MyDumpData.Count());
MySession.MyDumpData.Clear();
///Handles packing message into outgoing packet
RdpCommOut.PackMessage(MySession, ThisChunk, MessageOpcodeTypes.ShortReliableMessage);
//turn dump off
MySession.Dumpstarted = false;
//Gather remaining data to send in dump
//ignore list
ProcessOpcode.IgnoreList(MySession);
//Randommessage
//RandomFriend
//characterSpeed
ProcessOpcode.ActorSpeed(MySession);
//Some opcode
}
}
else
{
Logger.Err($"Client received server message {LastRecvMessageNumber}, expected {MySession.serverMessageNumber}");
}
}
///Big switch statement to process Opcodes.
private static void OpcodeChecker(Session MySession, ushort Opcode, List <byte> myPacket, int MessageLength)
{
switch (Opcode)
{
///Game Disc Version
case GameOpcode.DiscVersion:
Logger.Info("Processing Game Disc Version");
ProcessGameDisc(MySession, myPacket);
break;
case GameOpcode.Authenticate:
Logger.Info("Server Select Authentication");
ProcessAuthenticate(MySession, myPacket, false);
break;
case GameOpcode.Authenticate2:
Logger.Info("Character Select Authentication");
ProcessAuthenticate(MySession, myPacket, true);
break;
case GameOpcode.DelCharacter:
Logger.Info("Character Deletion Request");
ProcessDelChar(MySession, myPacket);
break;
case GameOpcode.CreateCharacter:
Logger.Info("Create Character Request");
ProcessCreateChar(MySession, myPacket);
break;
case GameOpcode.SELECTED_CHAR:
//Checking sent data to verify no changes to character
ProcessCharacterChanges(MySession, myPacket);
Logger.Info("Character Selected, starting memory dump");
//Start new session
Session thisSession = new Session(MySession.clientEndpoint, MySession.MyIPEndPoint, MySession.remoteMaster, MySession.AccountID, MySession.sessionIDUp, MySession.MyCharacter);
SessionManager.AddMasterSession(thisSession);
ProcessMemoryDump(thisSession);
break;
case GameOpcode.DisconnectClient:
//Client is disconnecting from the game world
//Add logic here to save character data, position etc
//Drop the session
SessionManager.DropSession(MySession);
break;
default:
Logger.Err($"Unable to identify Opcode: {Opcode}");
//Remove unknwon opcodes here
//Eventually add logic to send unknwon opcodes to client via chat
byte[] MyOpcodeMessage = new byte[MessageLength + 1];
myPacket.CopyTo(0, MyOpcodeMessage, 0, MessageLength);
//Log opcode message and contents
Logger.Info(MyOpcodeMessage);
ClientOpcodeUnknown(MySession, Opcode);
if (MessageLength > 0)
{
myPacket.RemoveRange(0, MessageLength);
}
break;
}
}
