/// <summary> /// Gets a packet from the server and returns it. /// </summary> /// <returns>The received packet.</returns> public Packet GetPacket() { var packetID = (byte) _stream.ReadByte(); //_log.Debug("Got packet ID: " + packetID); // Spammy debug message if (!Enum.IsDefined(typeof(PacketType), (int) packetID)) return null; var type = (PacketType) packetID; Packet pack = null; switch (type) { case PacketType.KeepAlive: pack = new KeepAlivePacket(_tools.ReadInt32()); break; case PacketType.LoginRequest: pack = new LoginRequestPacketSC { EntityID = _tools.ReadInt32(), NotUsed = _tools.ReadString(), LevelType = _tools.ReadString(), Gamemode = _tools.ReadInt32(), Dimension = _tools.ReadInt32(), Difficulty = _tools.ReadSignedByte(), WorldHeight = _tools.ReadByte(), // Not Used MaxPlayers = _tools.ReadByte() }; break; case PacketType.Handshake: pack = new HandshakePacketSC(_tools.ReadString()); break; case PacketType.ChatMessage: pack = new ChatMessagePacket(_tools.ReadString()); break; case PacketType.TimeUpdate: pack = new TimeUpdatePacket(_tools.ReadInt32()); break; case PacketType.EntityEquipment: pack = new EntityEquipmentPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt16(), _tools.ReadInt16()); break; case PacketType.SpawnPosition: pack = new SpawnPositionPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32()); break; case PacketType.UseEntity: pack = new UseEntityPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadBoolean()); break; case PacketType.UpdateHealth: pack = new UpdateHealthPacket(_tools.ReadInt16(), _tools.ReadInt16(), _tools.ReadSingle()); break; case PacketType.Respawn: pack = new RespawnPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadInt16(), _tools.ReadString()); break; case PacketType.Player: pack = new PlayerPacket(_tools.ReadBoolean()); break; case PacketType.PlayerPosition: pack = new PlayerPositionPacket(_tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadBoolean()); break; case PacketType.PlayerLook: pack = new PlayerLookPacket(_tools.ReadSingle(), _tools.ReadSingle(), _tools.ReadBoolean()); break; case PacketType.PlayerPositionAndLook: pack = new PlayerPositionAndLookPacket(_tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadSingle(), _tools.ReadSingle(), _tools.ReadBoolean()); break; case PacketType.PlayerDigging: pack = new PlayerDiggingPacket(_tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadSignedByte()); break; case PacketType.PlayerBlockPlacement: pack = new PlayerBlockPlacementPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSlotData()); break; case PacketType.UseBed: pack = new UseBedPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32()); break; case PacketType.Animation: pack = new AnimationPacket(_tools.ReadInt32(), _tools.ReadSignedByte()); break; case PacketType.NamedEntitySpawn: pack = new NamedEntitySpawnPacket(_tools.ReadInt32(), _tools.ReadString(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadInt16()); break; case PacketType.PickupSpawn: pack = new PickupSpawnPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadSignedByte(), _tools.ReadInt16(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadSignedByte()); break; case PacketType.CollectItem: pack = new CollectItemPacket(_tools.ReadInt32(), _tools.ReadInt32()); break; case PacketType.AddObjectVehicle: pack = new AddObjectVehiclePacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32()); var ftEid = _tools.ReadInt32(); ((AddObjectVehiclePacket)pack).FireballThrowerID = ftEid; if (ftEid > 0) { var aovpPack = (AddObjectVehiclePacket) pack; aovpPack.SpeedX = _tools.ReadInt16(); aovpPack.SpeedY = _tools.ReadInt16(); aovpPack.SpeedZ = _tools.ReadInt16(); pack = aovpPack; } break; case PacketType.HoldingChange: pack = new HoldingChangePacket(_tools.ReadInt16()); break; case PacketType.MobSpawn: pack = new MobSpawnPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadEntityMetadata()); break; case PacketType.EntityPainting: pack = new EntityPaintingPacket(_tools.ReadInt32(), _tools.ReadString(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32()); break; case PacketType.ExperienceOrb: pack = new ExperienceOrbPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt16()); break; case PacketType.EntityVelocity: pack = new EntityVelocityPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt16(), _tools.ReadInt16()); break; case PacketType.DestroyEntity: pack = new DestroyEntityPacket(_tools.ReadInt32()); break; case PacketType.Entity: pack = new EntityPacket(_tools.ReadInt32()); break; case PacketType.EntityRelativeMove: pack = new EntityRelativeMovePacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadSignedByte()); break; case PacketType.EntityLook: pack = new EntityLookPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte()); break; case PacketType.EntityLookAndRelativeMove: pack = new EntityLookAndRelativeMovePacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadSignedByte()); break; case PacketType.EntityTeleport: pack = new EntityTeleportPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte()); break; case PacketType.EntityHeadLook: pack = new EntityHeadLookPacket(_tools.ReadInt32(), _tools.ReadSignedByte()); break; case PacketType.EntityStatus: pack = new EntityStatusPacket(_tools.ReadInt32(), _tools.ReadSignedByte()); break; case PacketType.AttachEntity: pack = new AttachEntityPacket(_tools.ReadInt32(), _tools.ReadInt32()); break; case PacketType.EntityMetadata: var entityMetadataPacket = new EntityMetadataPacket(_tools.ReadInt32()); var metaData = new List<sbyte>(); var b = true; while (b) { var value = _tools.ReadSignedByte(); if (value == 127) b = false; metaData.Add(value); } entityMetadataPacket.Metadata = metaData.ToArray(); break; case PacketType.EntityEffect: pack = new EntityEffectPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadInt16()); break; case PacketType.RemoveEntityEffect: pack = new RemoveEntityEffectPacket(_tools.ReadInt32(), _tools.ReadSignedByte()); break; case PacketType.Experience: pack = new ExperiencePacket(_tools.ReadSingle(), _tools.ReadInt16(), _tools.ReadInt16()); break; case PacketType.PreChunk: pack = new PreChunkPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadBoolean()); break; case PacketType.MapChunk: var mapChunkPacket = new MapChunkPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadSignedByte()); mapChunkPacket.CompressedSize = _tools.ReadInt32(); mapChunkPacket.CompressedData = _tools.ReadSignedBytes(mapChunkPacket.CompressedSize); pack = mapChunkPacket; break; case PacketType.MultiBlockChange: var multiBlockChangePacket = new MultiBlockChangePacket(_tools.ReadInt32(), _tools.ReadInt32()); var arraySize = _tools.ReadInt16(); multiBlockChangePacket.ArraySize = arraySize; var coordinates = new short[arraySize,3]; for (short i = 0; i < arraySize; i++) { coordinates[i, 0] = _tools.ReadInt16(); coordinates[i, 1] = _tools.ReadInt16(); coordinates[i, 2] = _tools.ReadInt16(); } multiBlockChangePacket.Coordinates = coordinates; var types = new sbyte[arraySize]; for (short i = 0; i < arraySize; i++) types[i] = _tools.ReadSignedByte(); multiBlockChangePacket.Types = types; var metadata = new sbyte[arraySize]; for (short i = 0; i < arraySize; i++) metadata[i] = _tools.ReadSignedByte(); multiBlockChangePacket.Metadata = metadata; pack = multiBlockChangePacket; break; case PacketType.BlockChange: pack = new BlockChangePacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte()); break; case PacketType.BlockAction: pack = new BlockActionPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte()); break; case PacketType.Explosion: var explosionPacket = new ExplosionPacket(_tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadSingle()); var recordCount = _tools.ReadInt32(); explosionPacket.Count = recordCount; var records = new sbyte[recordCount, 3]; for (var i = 0; i < recordCount; i++) { records[i, 0] = _tools.ReadSignedByte(); records[i, 1] = _tools.ReadSignedByte(); records[i, 2] = _tools.ReadSignedByte(); } explosionPacket.Records = records; pack = explosionPacket; break; case PacketType.SoundParticleEffect: pack = new SoundParticleEffectPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadInt32()); break; case PacketType.NewInvalidState: pack = new NewInvalidStatePacket(_tools.ReadSignedByte(), _tools.ReadSignedByte()); break; case PacketType.Thunderbolt: pack = new ThunderboltPacket(_tools.ReadInt32(), _tools.ReadBoolean(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32()); break; case PacketType.OpenWindow: pack = new OpenWindowPacket(_tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadString(), _tools.ReadSignedByte()); break; case PacketType.CloseWindow: pack = new CloseWindowPacket(_tools.ReadSignedByte()); break; case PacketType.SetSlot: pack = new SetSlotPacket(_tools.ReadSignedByte(), _tools.ReadInt16(), _tools.ReadSlotData()); break; case PacketType.WindowItems: var windowItemsPacket = new WindowItemsPacket(_tools.ReadSignedByte()); var count = _tools.ReadInt16(); windowItemsPacket.Count = count; var slotData = new SlotData[count]; for (short i = 0; i < count; i++) slotData[i] = _tools.ReadSlotData(); windowItemsPacket.SlotData = slotData; pack = windowItemsPacket; break; case PacketType.UpdateWindowProperty: pack = new UpdateWindowPropertyPacket(_tools.ReadSignedByte(), _tools.ReadInt16(), _tools.ReadInt16()); break; case PacketType.Transaction: pack = new TransactionPacket(_tools.ReadSignedByte(), _tools.ReadInt16(), _tools.ReadBoolean()); break; case PacketType.CreativeInventoryAction: pack = new CreativeInventoryActionPacket(_tools.ReadInt16(), _tools.ReadSlotData()); break; case PacketType.UpdateSign: pack = new UpdateSignPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt32(), _tools.ReadString(), _tools.ReadString(), _tools.ReadString(), _tools.ReadString()); break; case PacketType.ItemData: pack = new ItemDataPacket(_tools.ReadInt16(), _tools.ReadInt16()); byte len = _tools.ReadByte(); ((ItemDataPacket)pack).Length = len; ((ItemDataPacket)pack).Text = _tools.ReadSignedBytes(len); break; case PacketType.IncrementStatistic: pack = new IncrementStatisticPacket(_tools.ReadInt32(), _tools.ReadSignedByte()); break; case PacketType.PlayerListItem: pack = new PlayerListItemPacket(_tools.ReadString(), _tools.ReadBoolean(), _tools.ReadInt16()); break; case PacketType.PluginMessage: pack = new PluginMessagePacket(_tools.ReadString()); var length = _tools.ReadInt16(); ((PluginMessagePacket) pack).Length = length; ((PluginMessagePacket) pack).Data = _tools.ReadSignedBytes(length); break; case PacketType.DisconnectKick: pack = new DisconnectKickPacket(_tools.ReadString()); break; default: //Throw exception? pack = null; //Add checks to see if packet == null _log.Debug("Unknown packet!"); _stream.Flush(); //Flush data of unknown packet break; } return pack; }
/// <summary> /// Handles all packets received. /// </summary> /// <param name="sender">N/A (Not Used) (See MSDN)</param> /// <param name="e"><see cref="PacketEventArgs" /> containing the packet and other info.</param> private void PacketReceived(object sender, PacketEventArgs e) { Packet response; switch (e.Packet.Type) { case PacketType.KeepAlive: response = new KeepAlivePacket(((KeepAlivePacket)e.Packet).KeepAliveID); //_log.Debug("Client received KeepAlive request, sending KeepAlive packet..."); _protocol.SendPacket(response); break; case PacketType.LoginRequest: ParseLoginRequestSC((LoginRequestPacketSC) e.Packet); break; case PacketType.ChatMessage: ReceiveMessage(((ChatMessagePacket) e.Packet).Message); break; case PacketType.SpawnPosition: var spPack = (SpawnPositionPacket) e.Packet; _log.Debug(string.Format("Received SpawnPosition packet: {0}, {1}, {2}. Updating world spawn...", spPack.X, spPack.Y ,spPack.Z)); _world.SetSpawn(spPack.X, spPack.Y, spPack.Z); _log.Debug("Spawn position set!"); break; case PacketType.Player: var playerPack = (PlayerPacket) e.Packet; response = new PlayerPacket(playerPack.OnGround); _log.Debug("Updating player OnGround..."); _player.SetOnGround(playerPack.OnGround); _log.Debug("Client received Player packet, responding with identical packet..."); _protocol.SendPacket(response); break; case PacketType.PlayerPosition: var pPack = (PlayerPositionPacket) e.Packet; response = new PlayerPositionPacket(pPack.X, pPack.Y, pPack.Stance, pPack.Z, pPack.OnGround); _log.Debug("Updating player position..."); _player.SetPosition(pPack.X, pPack.Y, pPack.Z); _player.SetStance(pPack.Stance); _player.SetOnGround(pPack.OnGround); _log.Debug("Client received PlayerPosition packet (0x0B), responding with identical packet..."); _protocol.SendPacket(response); break; case PacketType.PlayerLook: var lPack = (PlayerLookPacket) e.Packet; response = new PlayerLookPacket(lPack.Yaw, lPack.Pitch, lPack.OnGround); _log.Debug("Updating player look..."); _player.SetDirection(lPack.Yaw, lPack.Pitch); _player.SetOnGround(lPack.OnGround); _log.Debug("Client received PlayerLook packet (0x0C), responding with identical packet..."); _protocol.SendPacket(response); break; case PacketType.PlayerPositionAndLook: var plPack = (PlayerPositionAndLookPacket) e.Packet; response = new PlayerPositionAndLookPacket { X = plPack.X, Y = plPack.Y, Z = plPack.Y, Stance = plPack.Stance, Yaw = plPack.Yaw, Pitch = plPack.Pitch, OnGround = plPack.OnGround }; _log.Debug("Updating player position and look..."); _player.SetPosition(plPack.X, plPack.Y, plPack.Z); _player.SetDirection(plPack.Yaw, plPack.Pitch); _player.SetStance(plPack.Stance); _player.SetOnGround(plPack.OnGround); _log.Debug("Client received PlayerPositionAndLook packet (0x0D), responding with identical packet..."); _protocol.SendPacket(response); break; case PacketType.DisconnectKick: _log.Debug("Client DISCONNECT or KICK with reason: " + ((DisconnectKickPacket)e.Packet).Reason); _listener.Stop(); break; default: //_log.Warn("Received packet: " + e.Packet.Type + " but Client is not configured to respond to this packet!"); break; } }