mirror of
https://github.com/MCCTeam/Minecraft-Console-Client
synced 2025-10-14 21:22:49 +00:00
Add more debug info in packet parsing errors
For diagnosing #710 and other future packet parsing errors
This commit is contained in:
ORelio
parent
c04b17cabc
commit
9841156130
1 changed files with 454 additions and 440 deletions
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@ -402,457 +402,471 @@ namespace MinecraftClient.Protocol.Handlers
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/// <returns>TRUE if the packet was processed, FALSE if ignored or unknown</returns>
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private bool handlePacket(int packetID, List<byte> packetData)
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{
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if (login_phase)
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try
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{
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switch (packetID) //Packet IDs are different while logging in
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if (login_phase)
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{
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case 0x03:
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switch (packetID) //Packet IDs are different while logging in
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{
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case 0x03:
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if (protocolversion >= MC18Version)
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compression_treshold = readNextVarInt(packetData);
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break;
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default:
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return false; //Ignored packet
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}
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}
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// Regular in-game packets
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switch (getPacketIncomingType(packetID, protocolversion))
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{
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case PacketIncomingType.KeepAlive:
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SendPacket(PacketOutgoingType.KeepAlive, packetData);
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break;
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case PacketIncomingType.JoinGame:
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handler.OnGameJoined();
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readNextInt(packetData);
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readNextByte(packetData);
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if (protocolversion >= MC191Version)
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this.currentDimension = readNextInt(packetData);
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else
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this.currentDimension = (sbyte)readNextByte(packetData);
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readNextByte(packetData);
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readNextByte(packetData);
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readNextString(packetData);
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if (protocolversion >= MC18Version)
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readNextBool(packetData); // Reduced debug info - 1.8 and above
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break;
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case PacketIncomingType.ChatMessage:
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string message = readNextString(packetData);
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try
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{
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//Hide system messages or xp bar messages?
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byte messageType = readNextByte(packetData);
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if ((messageType == 1 && !Settings.DisplaySystemMessages)
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|| (messageType == 2 && !Settings.DisplayXPBarMessages))
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break;
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}
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catch (ArgumentOutOfRangeException) { /* No message type */ }
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handler.OnTextReceived(message, true);
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break;
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case PacketIncomingType.Respawn:
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this.currentDimension = readNextInt(packetData);
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readNextByte(packetData);
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readNextByte(packetData);
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readNextString(packetData);
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break;
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case PacketIncomingType.PlayerPositionAndLook:
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if (Settings.TerrainAndMovements)
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{
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double x = readNextDouble(packetData);
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double y = readNextDouble(packetData);
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double z = readNextDouble(packetData);
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float yaw = readNextFloat(packetData);
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float pitch = readNextFloat(packetData);
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byte locMask = readNextByte(packetData);
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if (protocolversion >= MC18Version)
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{
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Location location = handler.GetCurrentLocation();
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location.X = (locMask & 1 << 0) != 0 ? location.X + x : x;
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location.Y = (locMask & 1 << 1) != 0 ? location.Y + y : y;
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location.Z = (locMask & 1 << 2) != 0 ? location.Z + z : z;
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handler.UpdateLocation(location, yaw, pitch);
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}
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else handler.UpdateLocation(new Location(x, y, z), yaw, pitch);
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}
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if (protocolversion >= MC19Version)
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{
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int teleportID = readNextVarInt(packetData);
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// Teleport confirm packet
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SendPacket(PacketOutgoingType.TeleportConfirm, getVarInt(teleportID));
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}
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break;
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case PacketIncomingType.ChunkData:
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if (Settings.TerrainAndMovements)
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{
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int chunkX = readNextInt(packetData);
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int chunkZ = readNextInt(packetData);
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bool chunksContinuous = readNextBool(packetData);
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ushort chunkMask = protocolversion >= MC19Version
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? (ushort)readNextVarInt(packetData)
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: readNextUShort(packetData);
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if (protocolversion < MC18Version)
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{
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ushort addBitmap = readNextUShort(packetData);
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int compressedDataSize = readNextInt(packetData);
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byte[] compressed = readData(compressedDataSize, packetData);
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byte[] decompressed = ZlibUtils.Decompress(compressed);
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ProcessChunkColumnData(chunkX, chunkZ, chunkMask, addBitmap, currentDimension == 0, chunksContinuous, new List<byte>(decompressed));
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}
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else
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{
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int dataSize = readNextVarInt(packetData);
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ProcessChunkColumnData(chunkX, chunkZ, chunkMask, 0, false, chunksContinuous, packetData);
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}
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}
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break;
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case PacketIncomingType.MultiBlockChange:
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if (Settings.TerrainAndMovements)
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{
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int chunkX = readNextInt(packetData);
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int chunkZ = readNextInt(packetData);
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int recordCount = protocolversion < MC18Version
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? (int)readNextShort(packetData)
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: readNextVarInt(packetData);
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for (int i = 0; i < recordCount; i++)
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{
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byte locationXZ;
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ushort blockIdMeta;
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int blockY;
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if (protocolversion < MC18Version)
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{
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blockIdMeta = readNextUShort(packetData);
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blockY = (ushort)readNextByte(packetData);
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locationXZ = readNextByte(packetData);
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}
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else
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{
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locationXZ = readNextByte(packetData);
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blockY = (ushort)readNextByte(packetData);
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blockIdMeta = (ushort)readNextVarInt(packetData);
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}
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int blockX = locationXZ >> 4;
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int blockZ = locationXZ & 0x0F;
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Block block = new Block(blockIdMeta);
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handler.GetWorld().SetBlock(new Location(chunkX, chunkZ, blockX, blockY, blockZ), block);
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}
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}
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break;
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case PacketIncomingType.BlockChange:
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if (Settings.TerrainAndMovements)
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{
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if (protocolversion < MC18Version)
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{
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int blockX = readNextInt(packetData);
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int blockY = readNextByte(packetData);
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int blockZ = readNextInt(packetData);
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short blockId = (short)readNextVarInt(packetData);
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byte blockMeta = readNextByte(packetData);
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handler.GetWorld().SetBlock(new Location(blockX, blockY, blockZ), new Block(blockId, blockMeta));
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}
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else handler.GetWorld().SetBlock(Location.FromLong(readNextULong(packetData)), new Block((ushort)readNextVarInt(packetData)));
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}
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break;
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case PacketIncomingType.MapChunkBulk:
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if (protocolversion < MC19Version && Settings.TerrainAndMovements)
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{
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int chunkCount;
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bool hasSkyLight;
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List<byte> chunkData = packetData;
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//Read global fields
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if (protocolversion < MC18Version)
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{
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chunkCount = readNextShort(packetData);
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int compressedDataSize = readNextInt(packetData);
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hasSkyLight = readNextBool(packetData);
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byte[] compressed = readData(compressedDataSize, packetData);
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byte[] decompressed = ZlibUtils.Decompress(compressed);
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chunkData = new List<byte>(decompressed);
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}
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else
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{
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hasSkyLight = readNextBool(packetData);
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chunkCount = readNextVarInt(packetData);
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}
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//Read chunk records
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int[] chunkXs = new int[chunkCount];
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int[] chunkZs = new int[chunkCount];
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ushort[] chunkMasks = new ushort[chunkCount];
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ushort[] addBitmaps = new ushort[chunkCount];
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for (int chunkColumnNo = 0; chunkColumnNo < chunkCount; chunkColumnNo++)
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{
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chunkXs[chunkColumnNo] = readNextInt(packetData);
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chunkZs[chunkColumnNo] = readNextInt(packetData);
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chunkMasks[chunkColumnNo] = readNextUShort(packetData);
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addBitmaps[chunkColumnNo] = protocolversion < MC18Version
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? readNextUShort(packetData)
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: (ushort)0;
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}
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//Process chunk records
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for (int chunkColumnNo = 0; chunkColumnNo < chunkCount; chunkColumnNo++)
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ProcessChunkColumnData(chunkXs[chunkColumnNo], chunkZs[chunkColumnNo], chunkMasks[chunkColumnNo], addBitmaps[chunkColumnNo], hasSkyLight, true, chunkData);
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}
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break;
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case PacketIncomingType.UnloadChunk:
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if (protocolversion >= MC19Version && Settings.TerrainAndMovements)
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{
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int chunkX = readNextInt(packetData);
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int chunkZ = readNextInt(packetData);
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handler.GetWorld()[chunkX, chunkZ] = null;
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}
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break;
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case PacketIncomingType.PlayerListUpdate:
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if (protocolversion >= MC18Version)
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{
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int action = readNextVarInt(packetData);
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int numActions = readNextVarInt(packetData);
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for (int i = 0; i < numActions; i++)
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{
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Guid uuid = readNextUUID(packetData);
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switch (action)
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{
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case 0x00: //Player Join
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string name = readNextString(packetData);
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int propNum = readNextVarInt(packetData);
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for (int p = 0; p < propNum; p++)
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{
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string key = readNextString(packetData);
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string val = readNextString(packetData);
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if (readNextBool(packetData))
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readNextString(packetData);
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}
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readNextVarInt(packetData);
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readNextVarInt(packetData);
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if (readNextBool(packetData))
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readNextString(packetData);
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handler.OnPlayerJoin(uuid, name);
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break;
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case 0x01: //Update gamemode
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case 0x02: //Update latency
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readNextVarInt(packetData);
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break;
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case 0x03: //Update display name
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if (readNextBool(packetData))
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readNextString(packetData);
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break;
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case 0x04: //Player Leave
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handler.OnPlayerLeave(uuid);
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break;
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default:
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//Unknown player list item type
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break;
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}
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}
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}
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else //MC 1.7.X does not provide UUID in tab-list updates
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{
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string name = readNextString(packetData);
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bool online = readNextBool(packetData);
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short ping = readNextShort(packetData);
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Guid FakeUUID = new Guid(MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(name)).Take(16).ToArray());
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if (online)
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handler.OnPlayerJoin(FakeUUID, name);
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else handler.OnPlayerLeave(FakeUUID);
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}
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break;
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case PacketIncomingType.TabCompleteResult:
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if (protocolversion >= MC113Version)
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{
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autocomplete_transaction_id = readNextVarInt(packetData);
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readNextVarInt(packetData); // Start of text to replace
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readNextVarInt(packetData); // Length of text to replace
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}
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int autocomplete_count = readNextVarInt(packetData);
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autocomplete_result.Clear();
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for (int i = 0; i < autocomplete_count; i++)
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{
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autocomplete_result.Add(readNextString(packetData));
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if (protocolversion >= MC113Version)
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{
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// Skip optional tooltip for each tab-complete result
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if (readNextBool(packetData))
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readNextString(packetData);
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}
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}
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autocomplete_received = true;
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break;
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case PacketIncomingType.PluginMessage:
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String channel = readNextString(packetData);
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if (protocolversion < MC18Version)
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{
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if (forgeInfo == null)
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{
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// 1.7 and lower prefix plugin channel packets with the length.
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// We can skip it, though.
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readNextShort(packetData);
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}
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else
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{
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// Forge does something even weirder with the length.
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readNextVarShort(packetData);
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}
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}
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// The remaining data in the array is the entire payload of the packet.
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handler.OnPluginChannelMessage(channel, packetData.ToArray());
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#region Forge Login
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if (forgeInfo != null && fmlHandshakeState != FMLHandshakeClientState.DONE)
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{
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if (channel == "FML|HS")
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{
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FMLHandshakeDiscriminator discriminator = (FMLHandshakeDiscriminator)readNextByte(packetData);
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if (discriminator == FMLHandshakeDiscriminator.HandshakeReset)
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{
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fmlHandshakeState = FMLHandshakeClientState.START;
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return true;
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}
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switch (fmlHandshakeState)
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{
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case FMLHandshakeClientState.START:
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if (discriminator != FMLHandshakeDiscriminator.ServerHello)
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return false;
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// Send the plugin channel registration.
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// REGISTER is somewhat special in that it doesn't actually include length information,
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// and is also \0-separated.
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// Also, yes, "FML" is there twice. Don't ask me why, but that's the way forge does it.
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string[] channels = { "FML|HS", "FML", "FML|MP", "FML", "FORGE" };
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SendPluginChannelPacket("REGISTER", Encoding.UTF8.GetBytes(string.Join("\0", channels)));
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byte fmlProtocolVersion = readNextByte(packetData);
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if (Settings.DebugMessages)
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ConsoleIO.WriteLineFormatted("§8Forge protocol version : " + fmlProtocolVersion);
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if (fmlProtocolVersion >= 1)
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this.currentDimension = readNextInt(packetData);
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// Tell the server we're running the same version.
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SendForgeHandshakePacket(FMLHandshakeDiscriminator.ClientHello, new byte[] { fmlProtocolVersion });
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// Then tell the server that we're running the same mods.
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if (Settings.DebugMessages)
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ConsoleIO.WriteLineFormatted("§8Sending falsified mod list to server...");
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byte[][] mods = new byte[forgeInfo.Mods.Count][];
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for (int i = 0; i < forgeInfo.Mods.Count; i++)
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{
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ForgeInfo.ForgeMod mod = forgeInfo.Mods[i];
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mods[i] = concatBytes(getString(mod.ModID), getString(mod.Version));
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}
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SendForgeHandshakePacket(FMLHandshakeDiscriminator.ModList,
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concatBytes(getVarInt(forgeInfo.Mods.Count), concatBytes(mods)));
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fmlHandshakeState = FMLHandshakeClientState.WAITINGSERVERDATA;
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return true;
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case FMLHandshakeClientState.WAITINGSERVERDATA:
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if (discriminator != FMLHandshakeDiscriminator.ModList)
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return false;
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Thread.Sleep(2000);
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if (Settings.DebugMessages)
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ConsoleIO.WriteLineFormatted("§8Accepting server mod list...");
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// Tell the server that yes, we are OK with the mods it has
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// even though we don't actually care what mods it has.
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SendForgeHandshakePacket(FMLHandshakeDiscriminator.HandshakeAck,
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new byte[] { (byte)FMLHandshakeClientState.WAITINGSERVERDATA });
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fmlHandshakeState = FMLHandshakeClientState.WAITINGSERVERCOMPLETE;
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return false;
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case FMLHandshakeClientState.WAITINGSERVERCOMPLETE:
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// The server now will tell us a bunch of registry information.
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// We need to read it all, though, until it says that there is no more.
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if (discriminator != FMLHandshakeDiscriminator.RegistryData)
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return false;
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if (protocolversion < MC18Version)
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{
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// 1.7.10 and below have one registry
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// with blocks and items.
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int registrySize = readNextVarInt(packetData);
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if (Settings.DebugMessages)
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ConsoleIO.WriteLineFormatted("§8Received registry with " + registrySize + " entries");
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fmlHandshakeState = FMLHandshakeClientState.PENDINGCOMPLETE;
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}
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else
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{
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// 1.8+ has more than one registry.
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bool hasNextRegistry = readNextBool(packetData);
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string registryName = readNextString(packetData);
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int registrySize = readNextVarInt(packetData);
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if (Settings.DebugMessages)
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ConsoleIO.WriteLineFormatted("§8Received registry " + registryName + " with " + registrySize + " entries");
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if (!hasNextRegistry)
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fmlHandshakeState = FMLHandshakeClientState.PENDINGCOMPLETE;
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}
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return false;
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case FMLHandshakeClientState.PENDINGCOMPLETE:
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// The server will ask us to accept the registries.
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// Just say yes.
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if (discriminator != FMLHandshakeDiscriminator.HandshakeAck)
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return false;
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if (Settings.DebugMessages)
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ConsoleIO.WriteLineFormatted("§8Accepting server registries...");
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SendForgeHandshakePacket(FMLHandshakeDiscriminator.HandshakeAck,
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new byte[] { (byte)FMLHandshakeClientState.PENDINGCOMPLETE });
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fmlHandshakeState = FMLHandshakeClientState.COMPLETE;
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return true;
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case FMLHandshakeClientState.COMPLETE:
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// One final "OK". On the actual forge source, a packet is sent from
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// the client to the client saying that the connection was complete, but
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// we don't need to do that.
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SendForgeHandshakePacket(FMLHandshakeDiscriminator.HandshakeAck,
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new byte[] { (byte)FMLHandshakeClientState.COMPLETE });
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if (Settings.DebugMessages)
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ConsoleIO.WriteLine("Forge server connection complete!");
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fmlHandshakeState = FMLHandshakeClientState.DONE;
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return true;
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}
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}
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}
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#endregion
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return false;
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case PacketIncomingType.KickPacket:
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handler.OnConnectionLost(ChatBot.DisconnectReason.InGameKick, ChatParser.ParseText(readNextString(packetData)));
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return false;
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case PacketIncomingType.NetworkCompressionTreshold:
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if (protocolversion >= MC18Version && protocolversion < MC19Version)
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compression_treshold = readNextVarInt(packetData);
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break;
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case PacketIncomingType.ResourcePackSend:
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string url = readNextString(packetData);
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string hash = readNextString(packetData);
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//Send back "accepted" and "successfully loaded" responses for plugins making use of resource pack mandatory
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byte[] responseHeader = new byte[0];
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if (protocolversion < MC110Version) //MC 1.10 does not include resource pack hash in responses
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responseHeader = concatBytes(getVarInt(hash.Length), Encoding.UTF8.GetBytes(hash));
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SendPacket(PacketOutgoingType.ResourcePackStatus, concatBytes(responseHeader, getVarInt(3))); //Accepted pack
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SendPacket(PacketOutgoingType.ResourcePackStatus, concatBytes(responseHeader, getVarInt(0))); //Successfully loaded
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break;
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default:
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return false; //Ignored packet
|
||||
}
|
||||
return true; //Packet processed
|
||||
}
|
||||
// Regular in-game packets
|
||||
switch (getPacketIncomingType(packetID, protocolversion))
|
||||
catch (Exception innerException)
|
||||
{
|
||||
case PacketIncomingType.KeepAlive:
|
||||
SendPacket(PacketOutgoingType.KeepAlive, packetData);
|
||||
break;
|
||||
case PacketIncomingType.JoinGame:
|
||||
handler.OnGameJoined();
|
||||
readNextInt(packetData);
|
||||
readNextByte(packetData);
|
||||
if (protocolversion >= MC191Version)
|
||||
this.currentDimension = readNextInt(packetData);
|
||||
else
|
||||
this.currentDimension = (sbyte)readNextByte(packetData);
|
||||
readNextByte(packetData);
|
||||
readNextByte(packetData);
|
||||
readNextString(packetData);
|
||||
if (protocolversion >= MC18Version)
|
||||
readNextBool(packetData); // Reduced debug info - 1.8 and above
|
||||
break;
|
||||
case PacketIncomingType.ChatMessage:
|
||||
string message = readNextString(packetData);
|
||||
try
|
||||
{
|
||||
//Hide system messages or xp bar messages?
|
||||
byte messageType = readNextByte(packetData);
|
||||
if ((messageType == 1 && !Settings.DisplaySystemMessages)
|
||||
|| (messageType == 2 && !Settings.DisplayXPBarMessages))
|
||||
break;
|
||||
}
|
||||
catch (ArgumentOutOfRangeException) { /* No message type */ }
|
||||
handler.OnTextReceived(message, true);
|
||||
break;
|
||||
case PacketIncomingType.Respawn:
|
||||
this.currentDimension = readNextInt(packetData);
|
||||
readNextByte(packetData);
|
||||
readNextByte(packetData);
|
||||
readNextString(packetData);
|
||||
break;
|
||||
case PacketIncomingType.PlayerPositionAndLook:
|
||||
if (Settings.TerrainAndMovements)
|
||||
{
|
||||
double x = readNextDouble(packetData);
|
||||
double y = readNextDouble(packetData);
|
||||
double z = readNextDouble(packetData);
|
||||
float yaw = readNextFloat(packetData);
|
||||
float pitch = readNextFloat(packetData);
|
||||
byte locMask = readNextByte(packetData);
|
||||
|
||||
if (protocolversion >= MC18Version)
|
||||
{
|
||||
Location location = handler.GetCurrentLocation();
|
||||
location.X = (locMask & 1 << 0) != 0 ? location.X + x : x;
|
||||
location.Y = (locMask & 1 << 1) != 0 ? location.Y + y : y;
|
||||
location.Z = (locMask & 1 << 2) != 0 ? location.Z + z : z;
|
||||
handler.UpdateLocation(location, yaw, pitch);
|
||||
}
|
||||
else handler.UpdateLocation(new Location(x, y, z), yaw, pitch);
|
||||
}
|
||||
|
||||
if (protocolversion >= MC19Version)
|
||||
{
|
||||
int teleportID = readNextVarInt(packetData);
|
||||
// Teleport confirm packet
|
||||
SendPacket(PacketOutgoingType.TeleportConfirm, getVarInt(teleportID));
|
||||
}
|
||||
break;
|
||||
case PacketIncomingType.ChunkData:
|
||||
if (Settings.TerrainAndMovements)
|
||||
{
|
||||
int chunkX = readNextInt(packetData);
|
||||
int chunkZ = readNextInt(packetData);
|
||||
bool chunksContinuous = readNextBool(packetData);
|
||||
ushort chunkMask = protocolversion >= MC19Version
|
||||
? (ushort)readNextVarInt(packetData)
|
||||
: readNextUShort(packetData);
|
||||
if (protocolversion < MC18Version)
|
||||
{
|
||||
ushort addBitmap = readNextUShort(packetData);
|
||||
int compressedDataSize = readNextInt(packetData);
|
||||
byte[] compressed = readData(compressedDataSize, packetData);
|
||||
byte[] decompressed = ZlibUtils.Decompress(compressed);
|
||||
ProcessChunkColumnData(chunkX, chunkZ, chunkMask, addBitmap, currentDimension == 0, chunksContinuous, new List<byte>(decompressed));
|
||||
}
|
||||
else
|
||||
{
|
||||
int dataSize = readNextVarInt(packetData);
|
||||
ProcessChunkColumnData(chunkX, chunkZ, chunkMask, 0, false, chunksContinuous, packetData);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case PacketIncomingType.MultiBlockChange:
|
||||
if (Settings.TerrainAndMovements)
|
||||
{
|
||||
int chunkX = readNextInt(packetData);
|
||||
int chunkZ = readNextInt(packetData);
|
||||
int recordCount = protocolversion < MC18Version
|
||||
? (int)readNextShort(packetData)
|
||||
: readNextVarInt(packetData);
|
||||
|
||||
for (int i = 0; i < recordCount; i++)
|
||||
{
|
||||
byte locationXZ;
|
||||
ushort blockIdMeta;
|
||||
int blockY;
|
||||
|
||||
if (protocolversion < MC18Version)
|
||||
{
|
||||
blockIdMeta = readNextUShort(packetData);
|
||||
blockY = (ushort)readNextByte(packetData);
|
||||
locationXZ = readNextByte(packetData);
|
||||
}
|
||||
else
|
||||
{
|
||||
locationXZ = readNextByte(packetData);
|
||||
blockY = (ushort)readNextByte(packetData);
|
||||
blockIdMeta = (ushort)readNextVarInt(packetData);
|
||||
}
|
||||
|
||||
int blockX = locationXZ >> 4;
|
||||
int blockZ = locationXZ & 0x0F;
|
||||
Block block = new Block(blockIdMeta);
|
||||
handler.GetWorld().SetBlock(new Location(chunkX, chunkZ, blockX, blockY, blockZ), block);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case PacketIncomingType.BlockChange:
|
||||
if (Settings.TerrainAndMovements)
|
||||
{
|
||||
if (protocolversion < MC18Version)
|
||||
{
|
||||
int blockX = readNextInt(packetData);
|
||||
int blockY = readNextByte(packetData);
|
||||
int blockZ = readNextInt(packetData);
|
||||
short blockId = (short)readNextVarInt(packetData);
|
||||
byte blockMeta = readNextByte(packetData);
|
||||
handler.GetWorld().SetBlock(new Location(blockX, blockY, blockZ), new Block(blockId, blockMeta));
|
||||
}
|
||||
else handler.GetWorld().SetBlock(Location.FromLong(readNextULong(packetData)), new Block((ushort)readNextVarInt(packetData)));
|
||||
}
|
||||
break;
|
||||
case PacketIncomingType.MapChunkBulk:
|
||||
if (protocolversion < MC19Version && Settings.TerrainAndMovements)
|
||||
{
|
||||
int chunkCount;
|
||||
bool hasSkyLight;
|
||||
List<byte> chunkData = packetData;
|
||||
|
||||
//Read global fields
|
||||
if (protocolversion < MC18Version)
|
||||
{
|
||||
chunkCount = readNextShort(packetData);
|
||||
int compressedDataSize = readNextInt(packetData);
|
||||
hasSkyLight = readNextBool(packetData);
|
||||
byte[] compressed = readData(compressedDataSize, packetData);
|
||||
byte[] decompressed = ZlibUtils.Decompress(compressed);
|
||||
chunkData = new List<byte>(decompressed);
|
||||
}
|
||||
else
|
||||
{
|
||||
hasSkyLight = readNextBool(packetData);
|
||||
chunkCount = readNextVarInt(packetData);
|
||||
}
|
||||
|
||||
//Read chunk records
|
||||
int[] chunkXs = new int[chunkCount];
|
||||
int[] chunkZs = new int[chunkCount];
|
||||
ushort[] chunkMasks = new ushort[chunkCount];
|
||||
ushort[] addBitmaps = new ushort[chunkCount];
|
||||
for (int chunkColumnNo = 0; chunkColumnNo < chunkCount; chunkColumnNo++)
|
||||
{
|
||||
chunkXs[chunkColumnNo] = readNextInt(packetData);
|
||||
chunkZs[chunkColumnNo] = readNextInt(packetData);
|
||||
chunkMasks[chunkColumnNo] = readNextUShort(packetData);
|
||||
addBitmaps[chunkColumnNo] = protocolversion < MC18Version
|
||||
? readNextUShort(packetData)
|
||||
: (ushort)0;
|
||||
}
|
||||
|
||||
//Process chunk records
|
||||
for (int chunkColumnNo = 0; chunkColumnNo < chunkCount; chunkColumnNo++)
|
||||
ProcessChunkColumnData(chunkXs[chunkColumnNo], chunkZs[chunkColumnNo], chunkMasks[chunkColumnNo], addBitmaps[chunkColumnNo], hasSkyLight, true, chunkData);
|
||||
}
|
||||
break;
|
||||
case PacketIncomingType.UnloadChunk:
|
||||
if (protocolversion >= MC19Version && Settings.TerrainAndMovements)
|
||||
{
|
||||
int chunkX = readNextInt(packetData);
|
||||
int chunkZ = readNextInt(packetData);
|
||||
handler.GetWorld()[chunkX, chunkZ] = null;
|
||||
}
|
||||
break;
|
||||
case PacketIncomingType.PlayerListUpdate:
|
||||
if (protocolversion >= MC18Version)
|
||||
{
|
||||
int action = readNextVarInt(packetData);
|
||||
int numActions = readNextVarInt(packetData);
|
||||
for (int i = 0; i < numActions; i++)
|
||||
{
|
||||
Guid uuid = readNextUUID(packetData);
|
||||
switch (action)
|
||||
{
|
||||
case 0x00: //Player Join
|
||||
string name = readNextString(packetData);
|
||||
int propNum = readNextVarInt(packetData);
|
||||
for (int p = 0; p < propNum; p++)
|
||||
{
|
||||
string key = readNextString(packetData);
|
||||
string val = readNextString(packetData);
|
||||
if (readNextBool(packetData))
|
||||
readNextString(packetData);
|
||||
}
|
||||
readNextVarInt(packetData);
|
||||
readNextVarInt(packetData);
|
||||
if (readNextBool(packetData))
|
||||
readNextString(packetData);
|
||||
handler.OnPlayerJoin(uuid, name);
|
||||
break;
|
||||
case 0x01: //Update gamemode
|
||||
case 0x02: //Update latency
|
||||
readNextVarInt(packetData);
|
||||
break;
|
||||
case 0x03: //Update display name
|
||||
if (readNextBool(packetData))
|
||||
readNextString(packetData);
|
||||
break;
|
||||
case 0x04: //Player Leave
|
||||
handler.OnPlayerLeave(uuid);
|
||||
break;
|
||||
default:
|
||||
//Unknown player list item type
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
else //MC 1.7.X does not provide UUID in tab-list updates
|
||||
{
|
||||
string name = readNextString(packetData);
|
||||
bool online = readNextBool(packetData);
|
||||
short ping = readNextShort(packetData);
|
||||
Guid FakeUUID = new Guid(MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(name)).Take(16).ToArray());
|
||||
if (online)
|
||||
handler.OnPlayerJoin(FakeUUID, name);
|
||||
else handler.OnPlayerLeave(FakeUUID);
|
||||
}
|
||||
break;
|
||||
case PacketIncomingType.TabCompleteResult:
|
||||
if (protocolversion >= MC113Version)
|
||||
{
|
||||
autocomplete_transaction_id = readNextVarInt(packetData);
|
||||
readNextVarInt(packetData); // Start of text to replace
|
||||
readNextVarInt(packetData); // Length of text to replace
|
||||
}
|
||||
|
||||
int autocomplete_count = readNextVarInt(packetData);
|
||||
autocomplete_result.Clear();
|
||||
|
||||
for (int i = 0; i < autocomplete_count; i++)
|
||||
{
|
||||
autocomplete_result.Add(readNextString(packetData));
|
||||
if (protocolversion >= MC113Version)
|
||||
{
|
||||
// Skip optional tooltip for each tab-complete result
|
||||
if (readNextBool(packetData))
|
||||
readNextString(packetData);
|
||||
}
|
||||
}
|
||||
|
||||
autocomplete_received = true;
|
||||
break;
|
||||
case PacketIncomingType.PluginMessage:
|
||||
String channel = readNextString(packetData);
|
||||
if (protocolversion < MC18Version)
|
||||
{
|
||||
if (forgeInfo == null)
|
||||
{
|
||||
// 1.7 and lower prefix plugin channel packets with the length.
|
||||
// We can skip it, though.
|
||||
readNextShort(packetData);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Forge does something even weirder with the length.
|
||||
readNextVarShort(packetData);
|
||||
}
|
||||
}
|
||||
|
||||
// The remaining data in the array is the entire payload of the packet.
|
||||
handler.OnPluginChannelMessage(channel, packetData.ToArray());
|
||||
|
||||
#region Forge Login
|
||||
if (forgeInfo != null && fmlHandshakeState != FMLHandshakeClientState.DONE)
|
||||
{
|
||||
if (channel == "FML|HS")
|
||||
{
|
||||
FMLHandshakeDiscriminator discriminator = (FMLHandshakeDiscriminator)readNextByte(packetData);
|
||||
|
||||
if (discriminator == FMLHandshakeDiscriminator.HandshakeReset)
|
||||
{
|
||||
fmlHandshakeState = FMLHandshakeClientState.START;
|
||||
return true;
|
||||
}
|
||||
|
||||
switch (fmlHandshakeState)
|
||||
{
|
||||
case FMLHandshakeClientState.START:
|
||||
if (discriminator != FMLHandshakeDiscriminator.ServerHello)
|
||||
return false;
|
||||
|
||||
// Send the plugin channel registration.
|
||||
// REGISTER is somewhat special in that it doesn't actually include length information,
|
||||
// and is also \0-separated.
|
||||
// Also, yes, "FML" is there twice. Don't ask me why, but that's the way forge does it.
|
||||
string[] channels = { "FML|HS", "FML", "FML|MP", "FML", "FORGE" };
|
||||
SendPluginChannelPacket("REGISTER", Encoding.UTF8.GetBytes(string.Join("\0", channels)));
|
||||
|
||||
byte fmlProtocolVersion = readNextByte(packetData);
|
||||
|
||||
if (Settings.DebugMessages)
|
||||
ConsoleIO.WriteLineFormatted("§8Forge protocol version : " + fmlProtocolVersion);
|
||||
|
||||
if (fmlProtocolVersion >= 1)
|
||||
this.currentDimension = readNextInt(packetData);
|
||||
|
||||
// Tell the server we're running the same version.
|
||||
SendForgeHandshakePacket(FMLHandshakeDiscriminator.ClientHello, new byte[] { fmlProtocolVersion });
|
||||
|
||||
// Then tell the server that we're running the same mods.
|
||||
if (Settings.DebugMessages)
|
||||
ConsoleIO.WriteLineFormatted("§8Sending falsified mod list to server...");
|
||||
byte[][] mods = new byte[forgeInfo.Mods.Count][];
|
||||
for (int i = 0; i < forgeInfo.Mods.Count; i++)
|
||||
{
|
||||
ForgeInfo.ForgeMod mod = forgeInfo.Mods[i];
|
||||
mods[i] = concatBytes(getString(mod.ModID), getString(mod.Version));
|
||||
}
|
||||
SendForgeHandshakePacket(FMLHandshakeDiscriminator.ModList,
|
||||
concatBytes(getVarInt(forgeInfo.Mods.Count), concatBytes(mods)));
|
||||
|
||||
fmlHandshakeState = FMLHandshakeClientState.WAITINGSERVERDATA;
|
||||
|
||||
return true;
|
||||
case FMLHandshakeClientState.WAITINGSERVERDATA:
|
||||
if (discriminator != FMLHandshakeDiscriminator.ModList)
|
||||
return false;
|
||||
|
||||
Thread.Sleep(2000);
|
||||
|
||||
if (Settings.DebugMessages)
|
||||
ConsoleIO.WriteLineFormatted("§8Accepting server mod list...");
|
||||
// Tell the server that yes, we are OK with the mods it has
|
||||
// even though we don't actually care what mods it has.
|
||||
|
||||
SendForgeHandshakePacket(FMLHandshakeDiscriminator.HandshakeAck,
|
||||
new byte[] { (byte)FMLHandshakeClientState.WAITINGSERVERDATA });
|
||||
|
||||
fmlHandshakeState = FMLHandshakeClientState.WAITINGSERVERCOMPLETE;
|
||||
return false;
|
||||
case FMLHandshakeClientState.WAITINGSERVERCOMPLETE:
|
||||
// The server now will tell us a bunch of registry information.
|
||||
// We need to read it all, though, until it says that there is no more.
|
||||
if (discriminator != FMLHandshakeDiscriminator.RegistryData)
|
||||
return false;
|
||||
|
||||
if (protocolversion < MC18Version)
|
||||
{
|
||||
// 1.7.10 and below have one registry
|
||||
// with blocks and items.
|
||||
int registrySize = readNextVarInt(packetData);
|
||||
|
||||
if (Settings.DebugMessages)
|
||||
ConsoleIO.WriteLineFormatted("§8Received registry with " + registrySize + " entries");
|
||||
|
||||
fmlHandshakeState = FMLHandshakeClientState.PENDINGCOMPLETE;
|
||||
}
|
||||
else
|
||||
{
|
||||
// 1.8+ has more than one registry.
|
||||
|
||||
bool hasNextRegistry = readNextBool(packetData);
|
||||
string registryName = readNextString(packetData);
|
||||
int registrySize = readNextVarInt(packetData);
|
||||
if (Settings.DebugMessages)
|
||||
ConsoleIO.WriteLineFormatted("§8Received registry " + registryName + " with " + registrySize + " entries");
|
||||
if (!hasNextRegistry)
|
||||
fmlHandshakeState = FMLHandshakeClientState.PENDINGCOMPLETE;
|
||||
}
|
||||
|
||||
return false;
|
||||
case FMLHandshakeClientState.PENDINGCOMPLETE:
|
||||
// The server will ask us to accept the registries.
|
||||
// Just say yes.
|
||||
if (discriminator != FMLHandshakeDiscriminator.HandshakeAck)
|
||||
return false;
|
||||
if (Settings.DebugMessages)
|
||||
ConsoleIO.WriteLineFormatted("§8Accepting server registries...");
|
||||
SendForgeHandshakePacket(FMLHandshakeDiscriminator.HandshakeAck,
|
||||
new byte[] { (byte)FMLHandshakeClientState.PENDINGCOMPLETE });
|
||||
fmlHandshakeState = FMLHandshakeClientState.COMPLETE;
|
||||
|
||||
return true;
|
||||
case FMLHandshakeClientState.COMPLETE:
|
||||
// One final "OK". On the actual forge source, a packet is sent from
|
||||
// the client to the client saying that the connection was complete, but
|
||||
// we don't need to do that.
|
||||
|
||||
SendForgeHandshakePacket(FMLHandshakeDiscriminator.HandshakeAck,
|
||||
new byte[] { (byte)FMLHandshakeClientState.COMPLETE });
|
||||
if (Settings.DebugMessages)
|
||||
ConsoleIO.WriteLine("Forge server connection complete!");
|
||||
fmlHandshakeState = FMLHandshakeClientState.DONE;
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
return false;
|
||||
case PacketIncomingType.KickPacket:
|
||||
handler.OnConnectionLost(ChatBot.DisconnectReason.InGameKick, ChatParser.ParseText(readNextString(packetData)));
|
||||
return false;
|
||||
case PacketIncomingType.NetworkCompressionTreshold:
|
||||
if (protocolversion >= MC18Version && protocolversion < MC19Version)
|
||||
compression_treshold = readNextVarInt(packetData);
|
||||
break;
|
||||
case PacketIncomingType.ResourcePackSend:
|
||||
string url = readNextString(packetData);
|
||||
string hash = readNextString(packetData);
|
||||
//Send back "accepted" and "successfully loaded" responses for plugins making use of resource pack mandatory
|
||||
byte[] responseHeader = new byte[0];
|
||||
if (protocolversion < MC110Version) //MC 1.10 does not include resource pack hash in responses
|
||||
responseHeader = concatBytes(getVarInt(hash.Length), Encoding.UTF8.GetBytes(hash));
|
||||
SendPacket(PacketOutgoingType.ResourcePackStatus, concatBytes(responseHeader, getVarInt(3))); //Accepted pack
|
||||
SendPacket(PacketOutgoingType.ResourcePackStatus, concatBytes(responseHeader, getVarInt(0))); //Successfully loaded
|
||||
break;
|
||||
default:
|
||||
return false; //Ignored packet
|
||||
throw new System.IO.InvalidDataException(
|
||||
String.Format("Failed to process incoming packet of type {0}. (PacketID: {1}, Protocol: {2}, LoginPhase: {3}, InnerException: {4}).",
|
||||
getPacketIncomingType(packetID, protocolversion),
|
||||
packetID,
|
||||
protocolversion,
|
||||
login_phase,
|
||||
innerException.GetType()),
|
||||
innerException);
|
||||
}
|
||||
return true; //Packet processed
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue