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Diffstat (limited to 'src/Protocol/Protocol_1_9.cpp')
| -rw-r--r-- | src/Protocol/Protocol_1_9.cpp | 4406 |
1 files changed, 4406 insertions, 0 deletions
diff --git a/src/Protocol/Protocol_1_9.cpp b/src/Protocol/Protocol_1_9.cpp new file mode 100644 index 000000000..680675ca3 --- /dev/null +++ b/src/Protocol/Protocol_1_9.cpp @@ -0,0 +1,4406 @@ + +// Protocol_1_9.cpp + +/* +Implements the 1.9 protocol classes: + - cProtocol_1_9_0 + - release 1.9 protocol (#107) + - cProtocol_1_9_1 + - release 1.9.1 protocol (#108) + - cProtocol_1_9_2 + - release 1.9.2 protocol (#109) + - cProtocol_1_9_4 + - release 1.9.4 protocol (#110) +*/ + +#include "Globals.h" +#include "json/json.h" +#include "Protocol_1_9.h" +#include "ChunkDataSerializer.h" +#include "PolarSSL++/Sha1Checksum.h" +#include "Packetizer.h" + +#include "../ClientHandle.h" +#include "../Root.h" +#include "../Server.h" +#include "../World.h" +#include "../EffectID.h" +#include "../StringCompression.h" +#include "../CompositeChat.h" +#include "../Statistics.h" + +#include "../WorldStorage/FastNBT.h" +#include "../WorldStorage/EnchantmentSerializer.h" + +#include "../Entities/Boat.h" +#include "../Entities/ExpOrb.h" +#include "../Entities/Minecart.h" +#include "../Entities/FallingBlock.h" +#include "../Entities/Painting.h" +#include "../Entities/Pickup.h" +#include "../Entities/Player.h" +#include "../Entities/ItemFrame.h" +#include "../Entities/ArrowEntity.h" +#include "../Entities/FireworkEntity.h" +#include "../Entities/SplashPotionEntity.h" + +#include "../Items/ItemSpawnEgg.h" + +#include "../Mobs/IncludeAllMonsters.h" +#include "../UI/Window.h" + +#include "../BlockEntities/BeaconEntity.h" +#include "../BlockEntities/CommandBlockEntity.h" +#include "../BlockEntities/MobHeadEntity.h" +#include "../BlockEntities/MobSpawnerEntity.h" +#include "../BlockEntities/FlowerPotEntity.h" +#include "Bindings/PluginManager.h" + + + + + +/** The slot number that the client uses to indicate "outside the window". */ +static const Int16 SLOT_NUM_OUTSIDE = -999; + + + + + +#define HANDLE_READ(ByteBuf, Proc, Type, Var) \ + Type Var; \ + if (!ByteBuf.Proc(Var))\ + {\ + return;\ + } + + + + + +#define HANDLE_PACKET_READ(ByteBuf, Proc, Type, Var) \ + Type Var; \ + { \ + if (!ByteBuf.Proc(Var)) \ + { \ + ByteBuf.CheckValid(); \ + return false; \ + } \ + ByteBuf.CheckValid(); \ + } + + + + + +const int MAX_ENC_LEN = 512; // Maximum size of the encrypted message; should be 128, but who knows... +const uLongf MAX_COMPRESSED_PACKET_LEN = 200 KiB; // Maximum size of compressed packets. + + + + + +// fwd: main.cpp: +extern bool g_ShouldLogCommIn, g_ShouldLogCommOut; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cProtocol_1_9_0: + +cProtocol_1_9_0::cProtocol_1_9_0(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) : + super(a_Client), + m_ServerAddress(a_ServerAddress), + m_ServerPort(a_ServerPort), + m_State(a_State), + m_ReceivedData(32 KiB), + m_IsEncrypted(false) +{ + + // BungeeCord handling: + // If BC is setup with ip_forward == true, it sends additional data in the login packet's ServerAddress field: + // hostname\00ip-address\00uuid\00profile-properties-as-json + AStringVector Params; + if (cRoot::Get()->GetServer()->ShouldAllowBungeeCord() && SplitZeroTerminatedStrings(a_ServerAddress, Params) && (Params.size() == 4)) + { + LOGD("Player at %s connected via BungeeCord", Params[1].c_str()); + m_ServerAddress = Params[0]; + m_Client->SetIPString(Params[1]); + m_Client->SetUUID(cMojangAPI::MakeUUIDShort(Params[2])); + m_Client->SetProperties(Params[3]); + } + + // Create the comm log file, if so requested: + if (g_ShouldLogCommIn || g_ShouldLogCommOut) + { + static int sCounter = 0; + cFile::CreateFolder("CommLogs"); + AString IP(a_Client->GetIPString()); + ReplaceString(IP, ":", "_"); + AString FileName = Printf("CommLogs/%x_%d__%s.log", + static_cast<unsigned>(time(nullptr)), + sCounter++, + IP.c_str() + ); + if (!m_CommLogFile.Open(FileName, cFile::fmWrite)) + { + LOG("Cannot log communication to file, the log file \"%s\" cannot be opened for writing.", FileName.c_str()); + } + } +} + + + + + +void cProtocol_1_9_0::DataReceived(const char * a_Data, size_t a_Size) +{ + if (m_IsEncrypted) + { + Byte Decrypted[512]; + while (a_Size > 0) + { + size_t NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size; + m_Decryptor.ProcessData(Decrypted, reinterpret_cast<const Byte *>(a_Data), NumBytes); + AddReceivedData(reinterpret_cast<const char *>(Decrypted), NumBytes); + a_Size -= NumBytes; + a_Data += NumBytes; + } + } + else + { + AddReceivedData(a_Data, a_Size); + } +} + + + + + +void cProtocol_1_9_0::SendAttachEntity(const cEntity & a_Entity, const cEntity & a_Vehicle) +{ + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x40); // Set passangers packet + Pkt.WriteVarInt32(a_Vehicle.GetUniqueID()); + Pkt.WriteVarInt32(1); // 1 passenger + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); +} + + + + + +void cProtocol_1_9_0::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x0a); // Block Action packet + Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ); + Pkt.WriteBEInt8(a_Byte1); + Pkt.WriteBEInt8(a_Byte2); + Pkt.WriteVarInt32(a_BlockType); +} + + + + + +void cProtocol_1_9_0::SendBlockBreakAnim(UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x08); // Block Break Animation packet + Pkt.WriteVarInt32(a_EntityID); + Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ); + Pkt.WriteBEInt8(a_Stage); +} + + + + + +void cProtocol_1_9_0::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x0b); // Block Change packet + Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ); + Pkt.WriteVarInt32((static_cast<UInt32>(a_BlockType) << 4) | (static_cast<UInt32>(a_BlockMeta) & 15)); +} + + + + + +void cProtocol_1_9_0::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x10); // Multi Block Change packet + Pkt.WriteBEInt32(a_ChunkX); + Pkt.WriteBEInt32(a_ChunkZ); + Pkt.WriteVarInt32(static_cast<UInt32>(a_Changes.size())); + for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr) + { + Int16 Coords = static_cast<Int16>(itr->m_RelY | (itr->m_RelZ << 8) | (itr->m_RelX << 12)); + Pkt.WriteBEInt16(Coords); + Pkt.WriteVarInt32(static_cast<UInt32>(itr->m_BlockType & 0xFFF) << 4 | (itr->m_BlockMeta & 0xF)); + } // for itr - a_Changes[] +} + + + + + +void cProtocol_1_9_0::SendCameraSetTo(const cEntity & a_Entity) +{ + cPacketizer Pkt(*this, 0x36); // Camera Packet (Attach the camera of a player at another entity in spectator mode) + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); +} + + + + + +void cProtocol_1_9_0::SendChat(const AString & a_Message, eChatType a_Type) +{ + ASSERT(m_State == 3); // In game mode? + + SendChatRaw(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str()), a_Type); +} + + + + + +void cProtocol_1_9_0::SendChat(const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes) +{ + ASSERT(m_State == 3); // In game mode? + + SendChatRaw(a_Message.CreateJsonString(a_ShouldUseChatPrefixes), a_Type); +} + + + + + +void cProtocol_1_9_0::SendChatRaw(const AString & a_MessageRaw, eChatType a_Type) +{ + ASSERT(m_State == 3); // In game mode? + + // Send the json string to the client: + cPacketizer Pkt(*this, 0x0f); // Chat Message packet + Pkt.WriteString(a_MessageRaw); + Pkt.WriteBEInt8(a_Type); +} + + + + + +void cProtocol_1_9_0::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) +{ + ASSERT(m_State == 3); // In game mode? + + // Serialize first, before creating the Packetizer (the packetizer locks a CS) + // This contains the flags and bitmasks, too + const AString & ChunkData = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_9_0, a_ChunkX, a_ChunkZ); + + cCSLock Lock(m_CSPacket); + SendData(ChunkData.data(), ChunkData.size()); +} + + + + + +void cProtocol_1_9_0::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player, int a_Count) +{ + UNUSED(a_Count); + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x49); // Collect Item packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteVarInt32(a_Player.GetUniqueID()); +} + + + + + +void cProtocol_1_9_0::SendDestroyEntity(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x30); // Destroy Entities packet + Pkt.WriteVarInt32(1); + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); +} + + + + + +void cProtocol_1_9_0::SendDetachEntity(const cEntity & a_Entity, const cEntity & a_PreviousVehicle) +{ + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x40); // Set passangers packet + Pkt.WriteVarInt32(a_PreviousVehicle.GetUniqueID()); + Pkt.WriteVarInt32(0); // No passangers +} + + + + + +void cProtocol_1_9_0::SendDisconnect(const AString & a_Reason) +{ + switch (m_State) + { + case 2: + { + // During login: + cPacketizer Pkt(*this, 0); + Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str())); + break; + } + case 3: + { + // In-game: + cPacketizer Pkt(*this, 0x1a); + Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str())); + break; + } + } +} + + + + + +void cProtocol_1_9_0::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2a); // Sign Editor Open packet + Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ); +} + + + + + +void cProtocol_1_9_0::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x4c); // Entity Effect packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID)); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_Amplifier)); + Pkt.WriteVarInt32(static_cast<UInt32>(a_Duration)); + Pkt.WriteBool(false); // Hide particles +} + + + + + +void cProtocol_1_9_0::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3c); // Entity Equipment packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + // Needs to be adjusted due to the insertion of offhand at slot 1 + if (a_SlotNum > 0) + { + a_SlotNum++; + } + Pkt.WriteVarInt32(static_cast<UInt32>(a_SlotNum)); + WriteItem(Pkt, a_Item); +} + + + + + +void cProtocol_1_9_0::SendEntityHeadLook(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x34); // Entity Head Look packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteByteAngle(a_Entity.GetHeadYaw()); +} + + + + + +void cProtocol_1_9_0::SendEntityLook(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x27); // Entity Look packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteByteAngle(a_Entity.GetYaw()); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteBool(a_Entity.IsOnGround()); +} + + + + + +void cProtocol_1_9_0::SendEntityMetadata(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x39); // Entity Metadata packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + WriteEntityMetadata(Pkt, a_Entity); + Pkt.WriteBEUInt8(0xff); // The termination byte +} + + + + + +void cProtocol_1_9_0::SendEntityProperties(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x4b); // Entity Properties packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + WriteEntityProperties(Pkt, a_Entity); +} + + + + + +void cProtocol_1_9_0::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x25); // Entity Relative Move packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + // TODO: 1.9 changed these from chars to shorts, meaning that there can be more percision and data. Other code needs to be updated for that. + Pkt.WriteBEInt16(a_RelX * 128); + Pkt.WriteBEInt16(a_RelY * 128); + Pkt.WriteBEInt16(a_RelZ * 128); + Pkt.WriteBool(a_Entity.IsOnGround()); +} + + + + + +void cProtocol_1_9_0::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x26); // Entity Look And Relative Move packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + // TODO: 1.9 changed these from chars to shorts, meaning that there can be more percision and data. Other code needs to be updated for that. + Pkt.WriteBEInt16(a_RelX * 128); + Pkt.WriteBEInt16(a_RelY * 128); + Pkt.WriteBEInt16(a_RelZ * 128); + Pkt.WriteByteAngle(a_Entity.GetYaw()); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteBool(a_Entity.IsOnGround()); +} + + + + + +void cProtocol_1_9_0::SendEntityStatus(const cEntity & a_Entity, char a_Status) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1b); // Entity Status packet + Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); + Pkt.WriteBEInt8(a_Status); +} + + + + + +void cProtocol_1_9_0::SendEntityVelocity(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3b); // Entity Velocity packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + // 400 = 8000 / 20 ... Conversion from our speed in m / s to 8000 m / tick + Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedX() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedY() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedZ() * 400)); +} + + + + + +void cProtocol_1_9_0::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1c); // Explosion packet + Pkt.WriteBEFloat(static_cast<float>(a_BlockX)); + Pkt.WriteBEFloat(static_cast<float>(a_BlockY)); + Pkt.WriteBEFloat(static_cast<float>(a_BlockZ)); + Pkt.WriteBEFloat(static_cast<float>(a_Radius)); + Pkt.WriteBEUInt32(static_cast<UInt32>(a_BlocksAffected.size())); + for (cVector3iArray::const_iterator itr = a_BlocksAffected.begin(), end = a_BlocksAffected.end(); itr != end; ++itr) + { + Pkt.WriteBEInt8(static_cast<Int8>(itr->x)); + Pkt.WriteBEInt8(static_cast<Int8>(itr->y)); + Pkt.WriteBEInt8(static_cast<Int8>(itr->z)); + } // for itr - a_BlockAffected[] + Pkt.WriteBEFloat(static_cast<float>(a_PlayerMotion.x)); + Pkt.WriteBEFloat(static_cast<float>(a_PlayerMotion.y)); + Pkt.WriteBEFloat(static_cast<float>(a_PlayerMotion.z)); +} + + + + + +void cProtocol_1_9_0::SendGameMode(eGameMode a_GameMode) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1e); // Change Game State packet + Pkt.WriteBEUInt8(3); // Reason: Change game mode + Pkt.WriteBEFloat(static_cast<float>(a_GameMode)); // The protocol really represents the value with a float! +} + + + + + +void cProtocol_1_9_0::SendHealth(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3e); // Update Health packet + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteBEFloat(static_cast<float>(Player->GetHealth())); + Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetFoodLevel())); + Pkt.WriteBEFloat(static_cast<float>(Player->GetFoodSaturationLevel())); +} + + + + + +void cProtocol_1_9_0::SendHideTitle(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x45); // Title packet + Pkt.WriteVarInt32(3); // Hide title +} + + + + + +void cProtocol_1_9_0::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x16); // Set Slot packet + Pkt.WriteBEInt8(a_WindowID); + Pkt.WriteBEInt16(a_SlotNum); + WriteItem(Pkt, a_Item); +} + + + + + +void cProtocol_1_9_0::SendKeepAlive(UInt32 a_PingID) +{ + // Drop the packet if the protocol is not in the Game state yet (caused a client crash): + if (m_State != 3) + { + LOGWARNING("Trying to send a KeepAlive packet to a player who's not yet fully logged in (%d). The protocol class prevented the packet.", m_State); + return; + } + + cPacketizer Pkt(*this, 0x1f); // Keep Alive packet + Pkt.WriteVarInt32(a_PingID); +} + + + + + +void cProtocol_1_9_0::SendLogin(const cPlayer & a_Player, const cWorld & a_World) +{ + // Send the Join Game packet: + { + cServer * Server = cRoot::Get()->GetServer(); + cPacketizer Pkt(*this, 0x23); // Join Game packet + Pkt.WriteBEUInt32(a_Player.GetUniqueID()); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_Player.GetEffectiveGameMode()) | (Server->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4 + Pkt.WriteBEInt8(static_cast<Int8>(a_World.GetDimension())); + Pkt.WriteBEUInt8(2); // TODO: Difficulty (set to Normal) + Pkt.WriteBEUInt8(static_cast<UInt8>(Clamp<int>(Server->GetMaxPlayers(), 0, 255))); + Pkt.WriteString("default"); // Level type - wtf? + Pkt.WriteBool(false); // Reduced Debug Info - wtf? + } + + // Send the spawn position: + { + cPacketizer Pkt(*this, 0x43); // Spawn Position packet + Pkt.WritePosition64(FloorC(a_World.GetSpawnX()), FloorC(a_World.GetSpawnY()), FloorC(a_World.GetSpawnZ())); + } + + // Send the server difficulty: + { + cPacketizer Pkt(*this, 0x0d); // Server difficulty packet + Pkt.WriteBEInt8(1); + } + + // Send player abilities: + SendPlayerAbilities(); +} + + + + +void cProtocol_1_9_0::SendLoginSuccess(void) +{ + ASSERT(m_State == 2); // State: login? + + // Enable compression: + { + cPacketizer Pkt(*this, 0x03); // Set compression packet + Pkt.WriteVarInt32(256); + } + + m_State = 3; // State = Game + + { + cPacketizer Pkt(*this, 0x02); // Login success packet + Pkt.WriteString(cMojangAPI::MakeUUIDDashed(m_Client->GetUUID())); + Pkt.WriteString(m_Client->GetUsername()); + } +} + + + + + +void cProtocol_1_9_0::SendPaintingSpawn(const cPainting & a_Painting) +{ + ASSERT(m_State == 3); // In game mode? + double PosX = a_Painting.GetPosX(); + double PosY = a_Painting.GetPosY(); + double PosZ = a_Painting.GetPosZ(); + + cPacketizer Pkt(*this, 0x04); // Spawn Painting packet + Pkt.WriteVarInt32(a_Painting.GetUniqueID()); + // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now. + Pkt.WriteBEUInt64(0); + Pkt.WriteBEUInt64(a_Painting.GetUniqueID()); + Pkt.WriteString(a_Painting.GetName().c_str()); + Pkt.WritePosition64(static_cast<Int32>(PosX), static_cast<Int32>(PosY), static_cast<Int32>(PosZ)); + Pkt.WriteBEInt8(static_cast<Int8>(a_Painting.GetProtocolFacing())); +} + + + + + +void cProtocol_1_9_0::SendMapData(const cMap & a_Map, int a_DataStartX, int a_DataStartY) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x24); // Map packet + Pkt.WriteVarInt32(a_Map.GetID()); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_Map.GetScale())); + + Pkt.WriteBool(true); + Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetDecorators().size())); + for (const auto & Decorator : a_Map.GetDecorators()) + { + Pkt.WriteBEUInt8(static_cast<Byte>((static_cast<Int32>(Decorator.GetType()) << 4) | (Decorator.GetRot() & 0xF))); + Pkt.WriteBEUInt8(static_cast<UInt8>(Decorator.GetPixelX())); + Pkt.WriteBEUInt8(static_cast<UInt8>(Decorator.GetPixelZ())); + } + + Pkt.WriteBEUInt8(128); + Pkt.WriteBEUInt8(128); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_DataStartX)); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_DataStartY)); + Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetData().size())); + for (auto itr = a_Map.GetData().cbegin(); itr != a_Map.GetData().cend(); ++itr) + { + Pkt.WriteBEUInt8(*itr); + } +} + + + + + +void cProtocol_1_9_0::SendPickupSpawn(const cPickup & a_Pickup) +{ + ASSERT(m_State == 3); // In game mode? + + { // TODO Use SendSpawnObject + cPacketizer Pkt(*this, 0x00); // Spawn Object packet + Pkt.WriteVarInt32(a_Pickup.GetUniqueID()); + // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now. + Pkt.WriteBEUInt64(0); + Pkt.WriteBEUInt64(a_Pickup.GetUniqueID()); + Pkt.WriteBEUInt8(2); // Type = Pickup + Pkt.WriteBEDouble(a_Pickup.GetPosX()); + Pkt.WriteBEDouble(a_Pickup.GetPosY()); + Pkt.WriteBEDouble(a_Pickup.GetPosZ()); + Pkt.WriteByteAngle(a_Pickup.GetYaw()); + Pkt.WriteByteAngle(a_Pickup.GetPitch()); + Pkt.WriteBEInt32(0); // No object data + Pkt.WriteBEInt16(0); // No velocity + Pkt.WriteBEInt16(0); + Pkt.WriteBEInt16(0); + } + + SendEntityMetadata(a_Pickup); +} + + + + + +void cProtocol_1_9_0::SendPlayerAbilities(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2b); // Player Abilities packet + Byte Flags = 0; + cPlayer * Player = m_Client->GetPlayer(); + if (Player->IsGameModeCreative()) + { + Flags |= 0x01; + Flags |= 0x08; // Godmode, used for creative + } + if (Player->IsFlying()) + { + Flags |= 0x02; + } + if (Player->CanFly()) + { + Flags |= 0x04; + } + Pkt.WriteBEUInt8(Flags); + Pkt.WriteBEFloat(static_cast<float>(0.05 * Player->GetFlyingMaxSpeed())); + Pkt.WriteBEFloat(static_cast<float>(0.1 * Player->GetNormalMaxSpeed())); +} + + + + + +void cProtocol_1_9_0::SendEntityAnimation(const cEntity & a_Entity, char a_Animation) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x06); // Animation packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteBEInt8(a_Animation); +} + + + + + +void cProtocol_1_9_0::SendParticleEffect(const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmount) +{ + ASSERT(m_State == 3); // In game mode? + int ParticleID = GetParticleID(a_ParticleName); + + cPacketizer Pkt(*this, 0x22); // Particle effect packet + Pkt.WriteBEInt32(ParticleID); + Pkt.WriteBool(false); + Pkt.WriteBEFloat(a_SrcX); + Pkt.WriteBEFloat(a_SrcY); + Pkt.WriteBEFloat(a_SrcZ); + Pkt.WriteBEFloat(a_OffsetX); + Pkt.WriteBEFloat(a_OffsetY); + Pkt.WriteBEFloat(a_OffsetZ); + Pkt.WriteBEFloat(a_ParticleData); + Pkt.WriteBEInt32(a_ParticleAmount); +} + + + + + +void cProtocol_1_9_0::SendParticleEffect(const AString & a_ParticleName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data) +{ + ASSERT(m_State == 3); // In game mode? + int ParticleID = GetParticleID(a_ParticleName); + + cPacketizer Pkt(*this, 0x22); // Particle effect packet + Pkt.WriteBEInt32(ParticleID); + Pkt.WriteBool(false); + Pkt.WriteBEFloat(a_Src.x); + Pkt.WriteBEFloat(a_Src.y); + Pkt.WriteBEFloat(a_Src.z); + Pkt.WriteBEFloat(a_Offset.x); + Pkt.WriteBEFloat(a_Offset.y); + Pkt.WriteBEFloat(a_Offset.z); + Pkt.WriteBEFloat(a_ParticleData); + Pkt.WriteBEInt32(a_ParticleAmount); + switch (ParticleID) + { + // iconcrack + case 36: + { + Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[0])); + Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[1])); + break; + } + // blockcrack + // blockdust + case 37: + case 38: + { + Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[0])); + break; + } + default: + { + break; + } + } +} + + + + + +void cProtocol_1_9_0::SendPlayerListAddPlayer(const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet + Pkt.WriteVarInt32(0); + Pkt.WriteVarInt32(1); + Pkt.WriteUUID(a_Player.GetUUID()); + Pkt.WriteString(a_Player.GetPlayerListName()); + + const Json::Value & Properties = a_Player.GetClientHandle()->GetProperties(); + Pkt.WriteVarInt32(Properties.size()); + for (auto & Node : Properties) + { + Pkt.WriteString(Node.get("name", "").asString()); + Pkt.WriteString(Node.get("value", "").asString()); + AString Signature = Node.get("signature", "").asString(); + if (Signature.empty()) + { + Pkt.WriteBool(false); + } + else + { + Pkt.WriteBool(true); + Pkt.WriteString(Signature); + } + } + + Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetGameMode())); + Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetClientHandle()->GetPing())); + Pkt.WriteBool(false); +} + + + + + +void cProtocol_1_9_0::SendPlayerListRemovePlayer(const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet + Pkt.WriteVarInt32(4); + Pkt.WriteVarInt32(1); + Pkt.WriteUUID(a_Player.GetUUID()); +} + + + + + +void cProtocol_1_9_0::SendPlayerListUpdateGameMode(const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet + Pkt.WriteVarInt32(1); + Pkt.WriteVarInt32(1); + Pkt.WriteUUID(a_Player.GetUUID()); + Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetGameMode())); +} + + + + + +void cProtocol_1_9_0::SendPlayerListUpdatePing(const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + auto ClientHandle = a_Player.GetClientHandlePtr(); + if (ClientHandle != nullptr) + { + cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet + Pkt.WriteVarInt32(2); + Pkt.WriteVarInt32(1); + Pkt.WriteUUID(a_Player.GetUUID()); + Pkt.WriteVarInt32(static_cast<UInt32>(ClientHandle->GetPing())); + } +} + + + + + +void cProtocol_1_9_0::SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet + Pkt.WriteVarInt32(3); + Pkt.WriteVarInt32(1); + Pkt.WriteUUID(a_Player.GetUUID()); + + if (a_CustomName.empty()) + { + Pkt.WriteBool(false); + } + else + { + Pkt.WriteBool(true); + Pkt.WriteString(Printf("{\"text\":\"%s\"}", a_CustomName.c_str())); + } +} + + + + + +void cProtocol_1_9_0::SendPlayerMaxSpeed(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x4b); // Entity Properties + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteVarInt32(Player->GetUniqueID()); + Pkt.WriteBEInt32(1); // Count + Pkt.WriteString("generic.movementSpeed"); + // The default game speed is 0.1, multiply that value by the relative speed: + Pkt.WriteBEDouble(0.1 * Player->GetNormalMaxSpeed()); + if (Player->IsSprinting()) + { + Pkt.WriteVarInt32(1); // Modifier count + Pkt.WriteBEUInt64(0x662a6b8dda3e4c1c); + Pkt.WriteBEUInt64(0x881396ea6097278d); // UUID of the modifier + Pkt.WriteBEDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed()); + Pkt.WriteBEUInt8(2); + } + else + { + Pkt.WriteVarInt32(0); // Modifier count + } +} + + + + + +void cProtocol_1_9_0::SendPlayerMoveLook(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2e); // Player Position And Look packet + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteBEDouble(Player->GetPosX()); + Pkt.WriteBEDouble(Player->GetPosY()); + Pkt.WriteBEDouble(Player->GetPosZ()); + Pkt.WriteBEFloat(static_cast<float>(Player->GetYaw())); + Pkt.WriteBEFloat(static_cast<float>(Player->GetPitch())); + Pkt.WriteBEUInt8(0); + Pkt.WriteVarInt32(0); // Teleport ID - not implemented here +} + + + + + +void cProtocol_1_9_0::SendPlayerPosition(void) +{ + // There is no dedicated packet for this, send the whole thing: + SendPlayerMoveLook(); +} + + + + + +void cProtocol_1_9_0::SendPlayerSpawn(const cPlayer & a_Player) +{ + // Called to spawn another player for the client + cPacketizer Pkt(*this, 0x05); // Spawn Player packet + Pkt.WriteVarInt32(a_Player.GetUniqueID()); + Pkt.WriteUUID(cMojangAPI::MakeUUIDShort(a_Player.GetUUID())); + Pkt.WriteBEDouble(a_Player.GetPosX()); + Pkt.WriteBEDouble(a_Player.GetPosY() + 0.001); // The "+ 0.001" is there because otherwise the player falls through the block they were standing on. + Pkt.WriteBEDouble(a_Player.GetPosZ()); + Pkt.WriteByteAngle(a_Player.GetYaw()); + Pkt.WriteByteAngle(a_Player.GetPitch()); + WriteEntityMetadata(Pkt, a_Player); + Pkt.WriteBEUInt8(0xff); // Metadata: end +} + + + + + +void cProtocol_1_9_0::SendPluginMessage(const AString & a_Channel, const AString & a_Message) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x18); // Plugin message packet + Pkt.WriteString(a_Channel); + Pkt.WriteBuf(a_Message.data(), a_Message.size()); +} + + + + + +void cProtocol_1_9_0::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x31); // Remove entity effect packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID)); +} + + + + + +void cProtocol_1_9_0::SendResetTitle(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x45); // Title packet + Pkt.WriteVarInt32(4); // Reset title +} + + + + + +void cProtocol_1_9_0::SendRespawn(eDimension a_Dimension) +{ + cPacketizer Pkt(*this, 0x33); // Respawn packet + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteBEInt32(static_cast<Int32>(a_Dimension)); + Pkt.WriteBEUInt8(2); // TODO: Difficulty (set to Normal) + Pkt.WriteBEUInt8(static_cast<Byte>(Player->GetEffectiveGameMode())); + Pkt.WriteString("default"); +} + + + + + +void cProtocol_1_9_0::SendExperience(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3d); // Experience Packet + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteBEFloat(Player->GetXpPercentage()); + Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetXpLevel())); + Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetCurrentXp())); +} + + + + + +void cProtocol_1_9_0::SendExperienceOrb(const cExpOrb & a_ExpOrb) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x01); // Spawn experience orb packet + Pkt.WriteVarInt32(a_ExpOrb.GetUniqueID()); + Pkt.WriteBEDouble(a_ExpOrb.GetPosX()); + Pkt.WriteBEDouble(a_ExpOrb.GetPosY()); + Pkt.WriteBEDouble(a_ExpOrb.GetPosZ()); + Pkt.WriteBEInt16(static_cast<Int16>(a_ExpOrb.GetReward())); +} + + + + + +void cProtocol_1_9_0::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3f); // Scoreboard objective packet + Pkt.WriteString(a_Name); + Pkt.WriteBEUInt8(a_Mode); + if ((a_Mode == 0) || (a_Mode == 2)) + { + Pkt.WriteString(a_DisplayName); + Pkt.WriteString("integer"); + } +} + + + + + +void cProtocol_1_9_0::SendScoreUpdate(const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x42); // Update score packet + Pkt.WriteString(a_Player); + Pkt.WriteBEUInt8(a_Mode); + Pkt.WriteString(a_Objective); + + if (a_Mode != 1) + { + Pkt.WriteVarInt32(static_cast<UInt32>(a_Score)); + } +} + + + + + +void cProtocol_1_9_0::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x38); // Display scoreboard packet + Pkt.WriteBEUInt8(static_cast<UInt8>(a_Display)); + Pkt.WriteString(a_Objective); +} + + + + + +void cProtocol_1_9_0::SendSetSubTitle(const cCompositeChat & a_SubTitle) +{ + SendSetRawSubTitle(a_SubTitle.CreateJsonString(false)); +} + + + + + +void cProtocol_1_9_0::SendSetRawSubTitle(const AString & a_SubTitle) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x45); // Title packet + Pkt.WriteVarInt32(1); // Set subtitle + + Pkt.WriteString(a_SubTitle); +} + + + + + +void cProtocol_1_9_0::SendSetTitle(const cCompositeChat & a_Title) +{ + SendSetRawTitle(a_Title.CreateJsonString(false)); +} + + + + + +void cProtocol_1_9_0::SendSetRawTitle(const AString & a_Title) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x45); // Title packet + Pkt.WriteVarInt32(0); // Set title + + Pkt.WriteString(a_Title); +} + + + + + +void cProtocol_1_9_0::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x19); // Named sound effect packet + Pkt.WriteString(a_SoundName); + Pkt.WriteVarInt32(0); // Master sound category (may want to be changed to a parameter later) + Pkt.WriteBEInt32(static_cast<Int32>(a_X * 8.0)); + Pkt.WriteBEInt32(static_cast<Int32>(a_Y * 8.0)); + Pkt.WriteBEInt32(static_cast<Int32>(a_Z * 8.0)); + Pkt.WriteBEFloat(a_Volume); + Pkt.WriteBEUInt8(static_cast<Byte>(a_Pitch * 63)); +} + + + + + +void cProtocol_1_9_0::SendSoundParticleEffect(const EffectID a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x21); // Effect packet + Pkt.WriteBEInt32(static_cast<int>(a_EffectID)); + Pkt.WritePosition64(a_SrcX, a_SrcY, a_SrcZ); + Pkt.WriteBEInt32(a_Data); + Pkt.WriteBool(false); +} + + + + + +void cProtocol_1_9_0::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x00); // Spawn Object packet + Pkt.WriteVarInt32(a_FallingBlock.GetUniqueID()); + // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now. + Pkt.WriteBEUInt64(0); + Pkt.WriteBEUInt64(a_FallingBlock.GetUniqueID()); + Pkt.WriteBEUInt8(70); // Falling block + Pkt.WriteBEDouble(a_FallingBlock.GetPosX()); + Pkt.WriteBEDouble(a_FallingBlock.GetPosY()); + Pkt.WriteBEDouble(a_FallingBlock.GetPosZ()); + Pkt.WriteByteAngle(a_FallingBlock.GetYaw()); + Pkt.WriteByteAngle(a_FallingBlock.GetPitch()); + Pkt.WriteBEInt32(static_cast<Int32>(a_FallingBlock.GetBlockType()) | (static_cast<Int32>(a_FallingBlock.GetBlockMeta()) << 12)); + Pkt.WriteBEInt16(static_cast<Int16>(a_FallingBlock.GetSpeedX() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_FallingBlock.GetSpeedY() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_FallingBlock.GetSpeedZ() * 400)); +} + + + + + +void cProtocol_1_9_0::SendSpawnMob(const cMonster & a_Mob) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x03); // Spawn Mob packet + Pkt.WriteVarInt32(a_Mob.GetUniqueID()); + // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now. + Pkt.WriteBEUInt64(0); + Pkt.WriteBEUInt64(a_Mob.GetUniqueID()); + Pkt.WriteBEUInt8(static_cast<Byte>(a_Mob.GetMobType())); + Pkt.WriteBEDouble(a_Mob.GetPosX()); + Pkt.WriteBEDouble(a_Mob.GetPosY()); + Pkt.WriteBEDouble(a_Mob.GetPosZ()); + Pkt.WriteByteAngle(a_Mob.GetPitch()); + Pkt.WriteByteAngle(a_Mob.GetHeadYaw()); + Pkt.WriteByteAngle(a_Mob.GetYaw()); + Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedX() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedY() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedZ() * 400)); + WriteEntityMetadata(Pkt, a_Mob); + Pkt.WriteBEUInt8(0xff); // Metadata terminator +} + + + + + +void cProtocol_1_9_0::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) +{ + ASSERT(m_State == 3); // In game mode? + double PosX = a_Entity.GetPosX(); + double PosZ = a_Entity.GetPosZ(); + double Yaw = a_Entity.GetYaw(); + if (a_ObjectType == 71) + { + FixItemFramePositions(a_ObjectData, PosX, PosZ, Yaw); + } + + cPacketizer Pkt(*this, 0x00); // Spawn Object packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now. + Pkt.WriteBEUInt64(0); + Pkt.WriteBEUInt64(a_Entity.GetUniqueID()); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_ObjectType)); + Pkt.WriteBEDouble(PosX); + Pkt.WriteBEDouble(a_Entity.GetPosY()); + Pkt.WriteBEDouble(PosZ); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteByteAngle(Yaw); + Pkt.WriteBEInt32(a_ObjectData); + Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedX() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedY() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedZ() * 400)); +} + + + + + +void cProtocol_1_9_0::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x00); // Spawn Object packet + Pkt.WriteVarInt32(a_Vehicle.GetUniqueID()); + // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now. + Pkt.WriteBEUInt64(0); + Pkt.WriteBEUInt64(a_Vehicle.GetUniqueID()); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_VehicleType)); + Pkt.WriteBEDouble(a_Vehicle.GetPosX()); + Pkt.WriteBEDouble(a_Vehicle.GetPosY()); + Pkt.WriteBEDouble(a_Vehicle.GetPosZ()); + Pkt.WriteByteAngle(a_Vehicle.GetPitch()); + Pkt.WriteByteAngle(a_Vehicle.GetYaw()); + Pkt.WriteBEInt32(a_VehicleSubType); + Pkt.WriteBEInt16(static_cast<Int16>(a_Vehicle.GetSpeedX() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_Vehicle.GetSpeedY() * 400)); + Pkt.WriteBEInt16(static_cast<Int16>(a_Vehicle.GetSpeedZ() * 400)); +} + + + + + +void cProtocol_1_9_0::SendStatistics(const cStatManager & a_Manager) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x07); // Statistics packet + Pkt.WriteVarInt32(statCount); // TODO 2014-05-11 xdot: Optimization: Send "dirty" statistics only + + size_t Count = static_cast<size_t>(statCount); + for (size_t i = 0; i < Count; ++i) + { + StatValue Value = a_Manager.GetValue(static_cast<eStatistic>(i)); + const AString & StatName = cStatInfo::GetName(static_cast<eStatistic>(i)); + + Pkt.WriteString(StatName); + Pkt.WriteVarInt32(static_cast<UInt32>(Value)); + } +} + + + + + +void cProtocol_1_9_0::SendTabCompletionResults(const AStringVector & a_Results) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x0e); // Tab-Complete packet + Pkt.WriteVarInt32(static_cast<UInt32>(a_Results.size())); + + for (AStringVector::const_iterator itr = a_Results.begin(), end = a_Results.end(); itr != end; ++itr) + { + Pkt.WriteString(*itr); + } +} + + + + + +void cProtocol_1_9_0::SendTeleportEntity(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x4a); // Entity teleport packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteBEDouble(a_Entity.GetPosX()); + Pkt.WriteBEDouble(a_Entity.GetPosY()); + Pkt.WriteBEDouble(a_Entity.GetPosZ()); + Pkt.WriteByteAngle(a_Entity.GetYaw()); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteBool(a_Entity.IsOnGround()); +} + + + + + +void cProtocol_1_9_0::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x02); // Spawn Global Entity packet + Pkt.WriteVarInt32(0); // EntityID = 0, always + Pkt.WriteBEUInt8(1); // Type = Thunderbolt + Pkt.WriteBEDouble(a_BlockX); + Pkt.WriteBEDouble(a_BlockY); + Pkt.WriteBEDouble(a_BlockZ); +} + + + + + +void cProtocol_1_9_0::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x45); // Title packet + Pkt.WriteVarInt32(2); // Set title display times + + Pkt.WriteBEInt32(a_FadeInTicks); + Pkt.WriteBEInt32(a_DisplayTicks); + Pkt.WriteBEInt32(a_FadeOutTicks); +} + + + + + +void cProtocol_1_9_0::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) +{ + ASSERT(m_State == 3); // In game mode? + if (!a_DoDaylightCycle) + { + // When writing a "-" before the number the client ignores it but it will stop the client-side time expiration. + a_TimeOfDay = std::min(-a_TimeOfDay, -1LL); + } + + cPacketizer Pkt(*this, 0x44); // Time update packet + Pkt.WriteBEInt64(a_WorldAge); + Pkt.WriteBEInt64(a_TimeOfDay); +} + + + + + +void cProtocol_1_9_0::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1d); // Unload chunk packet + Pkt.WriteBEInt32(a_ChunkX); + Pkt.WriteBEInt32(a_ChunkZ); +} + + + + +void cProtocol_1_9_0::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x09); // Update tile entity packet + Pkt.WritePosition64(a_BlockEntity.GetPosX(), a_BlockEntity.GetPosY(), a_BlockEntity.GetPosZ()); + + Byte Action = 0; + switch (a_BlockEntity.GetBlockType()) + { + case E_BLOCK_MOB_SPAWNER: Action = 1; break; // Update mob spawner spinny mob thing + case E_BLOCK_COMMAND_BLOCK: Action = 2; break; // Update command block text + case E_BLOCK_BEACON: Action = 3; break; // Update beacon entity + case E_BLOCK_HEAD: Action = 4; break; // Update Mobhead entity + case E_BLOCK_FLOWER_POT: Action = 5; break; // Update flower pot + default: ASSERT(!"Unhandled or unimplemented BlockEntity update request!"); break; + } + Pkt.WriteBEUInt8(Action); + + WriteBlockEntity(Pkt, a_BlockEntity); +} + + + + + +void cProtocol_1_9_0::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x46); // Update sign packet + Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ); + + Json::StyledWriter JsonWriter; + AString Lines[] = { a_Line1, a_Line2, a_Line3, a_Line4 }; + for (size_t i = 0; i < ARRAYCOUNT(Lines); i++) + { + Json::Value RootValue; + RootValue["text"] = Lines[i]; + Pkt.WriteString(JsonWriter.write(RootValue).c_str()); + } +} + + + + + +void cProtocol_1_9_0::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2f); // Use bed + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ); +} + + + + + +void cProtocol_1_9_0::SendWeather(eWeather a_Weather) +{ + ASSERT(m_State == 3); // In game mode? + + { + cPacketizer Pkt(*this, 0x1e); // Change Game State packet + Pkt.WriteBEUInt8((a_Weather == wSunny) ? 1 : 2); // End rain / begin rain + Pkt.WriteBEFloat(0); // Unused for weather + } + + // TODO: Fade effect, somehow +} + + + + + +void cProtocol_1_9_0::SendWholeInventory(const cWindow & a_Window) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x14); // Window Items packet + Pkt.WriteBEInt8(a_Window.GetWindowID()); + Pkt.WriteBEInt16(static_cast<Int16>(a_Window.GetNumSlots())); + cItems Slots; + a_Window.GetSlots(*(m_Client->GetPlayer()), Slots); + for (cItems::const_iterator itr = Slots.begin(), end = Slots.end(); itr != end; ++itr) + { + WriteItem(Pkt, *itr); + } // for itr - Slots[] +} + + + + + +void cProtocol_1_9_0::SendWindowClose(const cWindow & a_Window) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x12); // Close window packet + Pkt.WriteBEInt8(a_Window.GetWindowID()); +} + + + + + +void cProtocol_1_9_0::SendWindowOpen(const cWindow & a_Window) +{ + ASSERT(m_State == 3); // In game mode? + + if (a_Window.GetWindowType() < 0) + { + // Do not send this packet for player inventory windows + return; + } + + cPacketizer Pkt(*this, 0x13); // Open window packet + Pkt.WriteBEInt8(a_Window.GetWindowID()); + Pkt.WriteString(a_Window.GetWindowTypeName()); + Pkt.WriteString(Printf("{\"text\":\"%s\"}", a_Window.GetWindowTitle().c_str())); + + switch (a_Window.GetWindowType()) + { + case cWindow::wtWorkbench: + case cWindow::wtEnchantment: + case cWindow::wtAnvil: + { + Pkt.WriteBEInt8(0); + break; + } + default: + { + Pkt.WriteBEInt8(static_cast<Int8>(a_Window.GetNumNonInventorySlots())); + break; + } + } + + if (a_Window.GetWindowType() == cWindow::wtAnimalChest) + { + Pkt.WriteBEInt32(0); // TODO: The animal's EntityID + } +} + + + + + +void cProtocol_1_9_0::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x15); // Window Property packet + Pkt.WriteBEInt8(a_Window.GetWindowID()); + Pkt.WriteBEInt16(a_Property); + Pkt.WriteBEInt16(a_Value); +} + + + + + +bool cProtocol_1_9_0::CompressPacket(const AString & a_Packet, AString & a_CompressedData) +{ + // Compress the data: + char CompressedData[MAX_COMPRESSED_PACKET_LEN]; + + uLongf CompressedSize = compressBound(static_cast<uLongf>(a_Packet.size())); + if (CompressedSize >= MAX_COMPRESSED_PACKET_LEN) + { + ASSERT(!"Too high packet size."); + return false; + } + + int Status = compress2( + reinterpret_cast<Bytef *>(CompressedData), &CompressedSize, + reinterpret_cast<const Bytef *>(a_Packet.data()), static_cast<uLongf>(a_Packet.size()), Z_DEFAULT_COMPRESSION + ); + if (Status != Z_OK) + { + return false; + } + + AString LengthData; + cByteBuffer Buffer(20); + Buffer.WriteVarInt32(static_cast<UInt32>(a_Packet.size())); + Buffer.ReadAll(LengthData); + Buffer.CommitRead(); + + Buffer.WriteVarInt32(static_cast<UInt32>(CompressedSize + LengthData.size())); + Buffer.WriteVarInt32(static_cast<UInt32>(a_Packet.size())); + Buffer.ReadAll(LengthData); + Buffer.CommitRead(); + + a_CompressedData.clear(); + a_CompressedData.reserve(LengthData.size() + CompressedSize); + a_CompressedData.append(LengthData.data(), LengthData.size()); + a_CompressedData.append(CompressedData, CompressedSize); + return true; +} + + + + + +int cProtocol_1_9_0::GetParticleID(const AString & a_ParticleName) +{ + static bool IsInitialized = false; + static std::map<AString, int> ParticleMap; + if (!IsInitialized) + { + // Initialize the ParticleMap: + ParticleMap["explode"] = 0; + ParticleMap["largeexplode"] = 1; + ParticleMap["hugeexplosion"] = 2; + ParticleMap["fireworksspark"] = 3; + ParticleMap["bubble"] = 4; + ParticleMap["splash"] = 5; + ParticleMap["wake"] = 6; + ParticleMap["suspended"] = 7; + ParticleMap["depthsuspend"] = 8; + ParticleMap["crit"] = 9; + ParticleMap["magiccrit"] = 10; + ParticleMap["smoke"] = 11; + ParticleMap["largesmoke"] = 12; + ParticleMap["spell"] = 13; + ParticleMap["instantspell"] = 14; + ParticleMap["mobspell"] = 15; + ParticleMap["mobspellambient"] = 16; + ParticleMap["witchmagic"] = 17; + ParticleMap["dripwater"] = 18; + ParticleMap["driplava"] = 19; + ParticleMap["angryvillager"] = 20; + ParticleMap["happyVillager"] = 21; + ParticleMap["townaura"] = 22; + ParticleMap["note"] = 23; + ParticleMap["portal"] = 24; + ParticleMap["enchantmenttable"] = 25; + ParticleMap["flame"] = 26; + ParticleMap["lava"] = 27; + ParticleMap["footstep"] = 28; + ParticleMap["cloud"] = 29; + ParticleMap["reddust"] = 30; + ParticleMap["snowballpoof"] = 31; + ParticleMap["snowshovel"] = 32; + ParticleMap["slime"] = 33; + ParticleMap["heart"] = 34; + ParticleMap["barrier"] = 35; + ParticleMap["iconcrack"] = 36; + ParticleMap["blockcrack"] = 37; + ParticleMap["blockdust"] = 38; + ParticleMap["droplet"] = 39; + ParticleMap["take"] = 40; + ParticleMap["mobappearance"] = 41; + } + + AString ParticleName = StrToLower(a_ParticleName); + if (ParticleMap.find(ParticleName) == ParticleMap.end()) + { + LOGWARNING("Unknown particle: %s", a_ParticleName.c_str()); + ASSERT(!"Unknown particle"); + return 0; + } + + return ParticleMap[ParticleName]; +} + + + + + +void cProtocol_1_9_0::FixItemFramePositions(int a_ObjectData, double & a_PosX, double & a_PosZ, double & a_Yaw) +{ + switch (a_ObjectData) + { + case 0: + { + a_PosZ += 1; + a_Yaw = 0; + break; + } + case 1: + { + a_PosX -= 1; + a_Yaw = 90; + break; + } + case 2: + { + a_PosZ -= 1; + a_Yaw = 180; + break; + } + case 3: + { + a_PosX += 1; + a_Yaw = 270; + break; + } + } +} + + + + + +void cProtocol_1_9_0::AddReceivedData(const char * a_Data, size_t a_Size) +{ + // Write the incoming data into the comm log file: + if (g_ShouldLogCommIn && m_CommLogFile.IsOpen()) + { + if (m_ReceivedData.GetReadableSpace() > 0) + { + AString AllData; + size_t OldReadableSpace = m_ReceivedData.GetReadableSpace(); + m_ReceivedData.ReadAll(AllData); + m_ReceivedData.ResetRead(); + m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace); + ASSERT(m_ReceivedData.GetReadableSpace() == OldReadableSpace); + AString Hex; + CreateHexDump(Hex, AllData.data(), AllData.size(), 16); + m_CommLogFile.Printf("Incoming data, " SIZE_T_FMT " (0x" SIZE_T_FMT_HEX ") unparsed bytes already present in buffer:\n%s\n", + AllData.size(), AllData.size(), Hex.c_str() + ); + } + AString Hex; + CreateHexDump(Hex, a_Data, a_Size, 16); + m_CommLogFile.Printf("Incoming data: %u (0x%x) bytes: \n%s\n", + static_cast<unsigned>(a_Size), static_cast<unsigned>(a_Size), Hex.c_str() + ); + m_CommLogFile.Flush(); + } + + if (!m_ReceivedData.Write(a_Data, a_Size)) + { + // Too much data in the incoming queue, report to caller: + m_Client->PacketBufferFull(); + return; + } + + // Handle all complete packets: + for (;;) + { + UInt32 PacketLen; + if (!m_ReceivedData.ReadVarInt(PacketLen)) + { + // Not enough data + m_ReceivedData.ResetRead(); + break; + } + if (!m_ReceivedData.CanReadBytes(PacketLen)) + { + // The full packet hasn't been received yet + m_ReceivedData.ResetRead(); + break; + } + + // Check packet for compression: + UInt32 UncompressedSize = 0; + AString UncompressedData; + if (m_State == 3) + { + UInt32 NumBytesRead = static_cast<UInt32>(m_ReceivedData.GetReadableSpace()); + + if (!m_ReceivedData.ReadVarInt(UncompressedSize)) + { + m_Client->Kick("Compression packet incomplete"); + return; + } + + NumBytesRead -= static_cast<UInt32>(m_ReceivedData.GetReadableSpace()); // How many bytes has the UncompressedSize taken up? + ASSERT(PacketLen > NumBytesRead); + PacketLen -= NumBytesRead; + + if (UncompressedSize > 0) + { + // Decompress the data: + AString CompressedData; + VERIFY(m_ReceivedData.ReadString(CompressedData, PacketLen)); + if (InflateString(CompressedData.data(), PacketLen, UncompressedData) != Z_OK) + { + m_Client->Kick("Compression failure"); + return; + } + PacketLen = static_cast<UInt32>(UncompressedData.size()); + if (PacketLen != UncompressedSize) + { + m_Client->Kick("Wrong uncompressed packet size given"); + return; + } + } + } + + // Move the packet payload to a separate cByteBuffer, bb: + cByteBuffer bb(PacketLen + 1); + if (UncompressedSize == 0) + { + // No compression was used, move directly + VERIFY(m_ReceivedData.ReadToByteBuffer(bb, static_cast<size_t>(PacketLen))); + } + else + { + // Compression was used, move the uncompressed data: + VERIFY(bb.Write(UncompressedData.data(), UncompressedData.size())); + } + m_ReceivedData.CommitRead(); + + UInt32 PacketType; + if (!bb.ReadVarInt(PacketType)) + { + // Not enough data + break; + } + + // Write one NUL extra, so that we can detect over-reads + bb.Write("\0", 1); + + // Log the packet info into the comm log file: + if (g_ShouldLogCommIn && m_CommLogFile.IsOpen()) + { + AString PacketData; + bb.ReadAll(PacketData); + bb.ResetRead(); + bb.ReadVarInt(PacketType); // We have already read the packet type once, it will be there again + ASSERT(PacketData.size() > 0); // We have written an extra NUL, so there had to be at least one byte read + PacketData.resize(PacketData.size() - 1); + AString PacketDataHex; + CreateHexDump(PacketDataHex, PacketData.data(), PacketData.size(), 16); + m_CommLogFile.Printf("Next incoming packet is type %u (0x%x), length %u (0x%x) at state %d. Payload:\n%s\n", + PacketType, PacketType, PacketLen, PacketLen, m_State, PacketDataHex.c_str() + ); + } + + if (!HandlePacket(bb, PacketType)) + { + // Unknown packet, already been reported, but without the length. Log the length here: + LOGWARNING("Protocol 1.9: Unhandled packet: type 0x%x, state %d, length %u", PacketType, m_State, PacketLen); + + #ifdef _DEBUG + // Dump the packet contents into the log: + bb.ResetRead(); + AString Packet; + bb.ReadAll(Packet); + Packet.resize(Packet.size() - 1); // Drop the final NUL pushed there for over-read detection + AString Out; + CreateHexDump(Out, Packet.data(), Packet.size(), 24); + LOGD("Packet contents:\n%s", Out.c_str()); + #endif // _DEBUG + + // Put a message in the comm log: + if (g_ShouldLogCommIn && m_CommLogFile.IsOpen()) + { + m_CommLogFile.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n"); + } + + return; + } + + // The packet should have 1 byte left in the buffer - the NUL we had added + if (bb.GetReadableSpace() != 1) + { + // Read more or less than packet length, report as error + LOGWARNING("Protocol 1.9: Wrong number of bytes read for packet 0x%x, state %d. Read " SIZE_T_FMT " bytes, packet contained %u bytes", + PacketType, m_State, bb.GetUsedSpace() - bb.GetReadableSpace(), PacketLen + ); + + // Put a message in the comm log: + if (g_ShouldLogCommIn && m_CommLogFile.IsOpen()) + { + m_CommLogFile.Printf("^^^^^^ Wrong number of bytes read for this packet (exp %d left, got " SIZE_T_FMT " left) ^^^^^^\n\n\n", + 1, bb.GetReadableSpace() + ); + m_CommLogFile.Flush(); + } + + ASSERT(!"Read wrong number of bytes!"); + m_Client->PacketError(PacketType); + } + } // for (ever) + + // Log any leftover bytes into the logfile: + if (g_ShouldLogCommIn && (m_ReceivedData.GetReadableSpace() > 0) && m_CommLogFile.IsOpen()) + { + AString AllData; + size_t OldReadableSpace = m_ReceivedData.GetReadableSpace(); + m_ReceivedData.ReadAll(AllData); + m_ReceivedData.ResetRead(); + m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace); + ASSERT(m_ReceivedData.GetReadableSpace() == OldReadableSpace); + AString Hex; + CreateHexDump(Hex, AllData.data(), AllData.size(), 16); + m_CommLogFile.Printf("Protocol 1.9: There are " SIZE_T_FMT " (0x" SIZE_T_FMT_HEX ") bytes of non-parse-able data left in the buffer:\n%s", + m_ReceivedData.GetReadableSpace(), m_ReceivedData.GetReadableSpace(), Hex.c_str() + ); + m_CommLogFile.Flush(); + } +} + + + + +bool cProtocol_1_9_0::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType) +{ + switch (m_State) + { + case 1: + { + // Status + switch (a_PacketType) + { + case 0x00: HandlePacketStatusRequest(a_ByteBuffer); return true; + case 0x01: HandlePacketStatusPing (a_ByteBuffer); return true; + } + break; + } + + case 2: + { + // Login + switch (a_PacketType) + { + case 0x00: HandlePacketLoginStart (a_ByteBuffer); return true; + case 0x01: HandlePacketLoginEncryptionResponse(a_ByteBuffer); return true; + } + break; + } + + case 3: + { + // Game + switch (a_PacketType) + { + case 0x00: HandleConfirmTeleport (a_ByteBuffer); return true; + case 0x01: HandlePacketTabComplete (a_ByteBuffer); return true; + case 0x02: HandlePacketChatMessage (a_ByteBuffer); return true; + case 0x03: HandlePacketClientStatus (a_ByteBuffer); return true; + case 0x04: HandlePacketClientSettings (a_ByteBuffer); return true; + case 0x05: break; // Confirm transaction - not used in MCS + case 0x06: HandlePacketEnchantItem (a_ByteBuffer); return true; + case 0x07: HandlePacketWindowClick (a_ByteBuffer); return true; + case 0x08: HandlePacketWindowClose (a_ByteBuffer); return true; + case 0x09: HandlePacketPluginMessage (a_ByteBuffer); return true; + case 0x0a: HandlePacketUseEntity (a_ByteBuffer); return true; + case 0x0b: HandlePacketKeepAlive (a_ByteBuffer); return true; + case 0x0c: HandlePacketPlayerPos (a_ByteBuffer); return true; + case 0x0d: HandlePacketPlayerPosLook (a_ByteBuffer); return true; + case 0x0e: HandlePacketPlayerLook (a_ByteBuffer); return true; + case 0x0f: HandlePacketPlayer (a_ByteBuffer); return true; + case 0x10: HandlePacketVehicleMove (a_ByteBuffer); return true; + case 0x11: HandlePacketBoatSteer (a_ByteBuffer); return true; + case 0x12: HandlePacketPlayerAbilities (a_ByteBuffer); return true; + case 0x13: HandlePacketBlockDig (a_ByteBuffer); return true; + case 0x14: HandlePacketEntityAction (a_ByteBuffer); return true; + case 0x15: HandlePacketSteerVehicle (a_ByteBuffer); return true; + case 0x16: break; // Resource pack status - not yet implemented + case 0x17: HandlePacketSlotSelect (a_ByteBuffer); return true; + case 0x18: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true; + case 0x19: HandlePacketUpdateSign (a_ByteBuffer); return true; + case 0x1a: HandlePacketAnimation (a_ByteBuffer); return true; + case 0x1b: HandlePacketSpectate (a_ByteBuffer); return true; + case 0x1c: HandlePacketBlockPlace (a_ByteBuffer); return true; + case 0x1d: HandlePacketUseItem (a_ByteBuffer); return true; + } + break; + } + default: + { + // Received a packet in an unknown state, report: + LOGWARNING("Received a packet in an unknown protocol state %d. Ignoring further packets.", m_State); + + // Cannot kick the client - we don't know this state and thus the packet number for the kick packet + + // Switch to a state when all further packets are silently ignored: + m_State = 255; + return false; + } + case 255: + { + // This is the state used for "not processing packets anymore" when we receive a bad packet from a client. + // Do not output anything (the caller will do that for us), just return failure + return false; + } + } // switch (m_State) + + // Unknown packet type, report to the ClientHandle: + m_Client->PacketUnknown(a_PacketType); + return false; +} + + + + + +void cProtocol_1_9_0::HandlePacketStatusPing(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Timestamp); + + cPacketizer Pkt(*this, 0x01); // Ping packet + Pkt.WriteBEInt64(Timestamp); +} + + + + + +void cProtocol_1_9_0::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) +{ + cServer * Server = cRoot::Get()->GetServer(); + AString ServerDescription = Server->GetDescription(); + int NumPlayers = Server->GetNumPlayers(); + int MaxPlayers = Server->GetMaxPlayers(); + AString Favicon = Server->GetFaviconData(); + cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon); + + // Version: + Json::Value Version; + Version["name"] = "Cuberite 1.9"; + Version["protocol"] = 107; + + // Players: + Json::Value Players; + Players["online"] = NumPlayers; + Players["max"] = MaxPlayers; + // TODO: Add "sample" + + // Description: + Json::Value Description; + Description["text"] = ServerDescription.c_str(); + + // Create the response: + Json::Value ResponseValue; + ResponseValue["version"] = Version; + ResponseValue["players"] = Players; + ResponseValue["description"] = Description; + if (!Favicon.empty()) + { + ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str()); + } + + Json::StyledWriter Writer; + AString Response = Writer.write(ResponseValue); + + cPacketizer Pkt(*this, 0x00); // Response packet + Pkt.WriteString(Response); +} + + + + + +void cProtocol_1_9_0::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer) +{ + UInt32 EncKeyLength, EncNonceLength; + if (!a_ByteBuffer.ReadVarInt(EncKeyLength)) + { + return; + } + AString EncKey; + if (!a_ByteBuffer.ReadString(EncKey, EncKeyLength)) + { + return; + } + if (!a_ByteBuffer.ReadVarInt(EncNonceLength)) + { + return; + } + AString EncNonce; + if (!a_ByteBuffer.ReadString(EncNonce, EncNonceLength)) + { + return; + } + if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN)) + { + LOGD("Too long encryption"); + m_Client->Kick("Hacked client"); + return; + } + + // Decrypt EncNonce using privkey + cRsaPrivateKey & rsaDecryptor = cRoot::Get()->GetServer()->GetPrivateKey(); + UInt32 DecryptedNonce[MAX_ENC_LEN / sizeof(Int32)]; + int res = rsaDecryptor.Decrypt(reinterpret_cast<const Byte *>(EncNonce.data()), EncNonce.size(), reinterpret_cast<Byte *>(DecryptedNonce), sizeof(DecryptedNonce)); + if (res != 4) + { + LOGD("Bad nonce length: got %d, exp %d", res, 4); + m_Client->Kick("Hacked client"); + return; + } + if (ntohl(DecryptedNonce[0]) != static_cast<unsigned>(reinterpret_cast<uintptr_t>(this))) + { + LOGD("Bad nonce value"); + m_Client->Kick("Hacked client"); + return; + } + + // Decrypt the symmetric encryption key using privkey: + Byte DecryptedKey[MAX_ENC_LEN]; + res = rsaDecryptor.Decrypt(reinterpret_cast<const Byte *>(EncKey.data()), EncKey.size(), DecryptedKey, sizeof(DecryptedKey)); + if (res != 16) + { + LOGD("Bad key length"); + m_Client->Kick("Hacked client"); + return; + } + + StartEncryption(DecryptedKey); + m_Client->HandleLogin(4, m_Client->GetUsername()); +} + + + + + +void cProtocol_1_9_0::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer) +{ + AString Username; + if (!a_ByteBuffer.ReadVarUTF8String(Username)) + { + m_Client->Kick("Bad username"); + return; + } + + if (!m_Client->HandleHandshake(Username)) + { + // The client is not welcome here, they have been sent a Kick packet already + return; + } + + cServer * Server = cRoot::Get()->GetServer(); + // If auth is required, then send the encryption request: + if (Server->ShouldAuthenticate()) + { + cPacketizer Pkt(*this, 0x01); + Pkt.WriteString(Server->GetServerID()); + const AString & PubKeyDer = Server->GetPublicKeyDER(); + Pkt.WriteVarInt32(static_cast<UInt32>(PubKeyDer.size())); + Pkt.WriteBuf(PubKeyDer.data(), PubKeyDer.size()); + Pkt.WriteVarInt32(4); + Pkt.WriteBEInt32(static_cast<int>(reinterpret_cast<intptr_t>(this))); // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :) + m_Client->SetUsername(Username); + return; + } + + m_Client->HandleLogin(4, Username); +} + + + + + +void cProtocol_1_9_0::HandlePacketAnimation(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Hand); + + m_Client->HandleAnimation(0); // Packet exists solely for arm-swing notification +} + + + + + +void cProtocol_1_9_0::HandlePacketBlockDig(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Status); + + int BlockX, BlockY, BlockZ; + if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ)) + { + return; + } + + HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Face); + m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), Status); +} + + + + + +void cProtocol_1_9_0::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer) +{ + int BlockX, BlockY, BlockZ; + if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ)) + { + return; + } + + HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Face); + HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Hand); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorX); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorY); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorZ); + m_Client->HandleRightClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem()); +} + + + + + +void cProtocol_1_9_0::HandlePacketBoatSteer(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBool, bool, RightPaddle); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, LeftPaddle); + + // Get the players vehicle + cPlayer * Player = m_Client->GetPlayer(); + cEntity * Vehicle = Player->GetAttached(); + + if (Vehicle) + { + if (Vehicle->GetEntityType() == cEntity::etBoat) + { + auto * Boat = reinterpret_cast<cBoat *>(Vehicle); + Boat->UpdatePaddles(RightPaddle, LeftPaddle); + } + } +} + + + + + +void cProtocol_1_9_0::HandlePacketChatMessage(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Message); + m_Client->HandleChat(Message); +} + + + + + +void cProtocol_1_9_0::HandlePacketClientSettings(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Locale); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, ViewDistance); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, ChatFlags); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, ChatColors); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, SkinFlags); + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, MainHand); + + m_Client->SetLocale(Locale); + m_Client->SetViewDistance(ViewDistance); + // TODO: Handle other values +} + + + + + +void cProtocol_1_9_0::HandlePacketClientStatus(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, ActionID); + switch (ActionID) + { + case 0: + { + // Respawn + m_Client->HandleRespawn(); + break; + } + case 1: + { + // Request stats + const cStatManager & Manager = m_Client->GetPlayer()->GetStatManager(); + SendStatistics(Manager); + + break; + } + case 2: + { + // Open Inventory achievement + m_Client->GetPlayer()->AwardAchievement(achOpenInv); + break; + } + } +} + + + + + +void cProtocol_1_9_0::HandleConfirmTeleport(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt32, UInt32, TeleportID); + // We don't actually validate that this packet is sent or anything yet, but it still needs to be read. +} + + + + + +void cProtocol_1_9_0::HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum); + cItem Item; + if (!ReadItem(a_ByteBuffer, Item)) + { + return; + } + m_Client->HandleCreativeInventory(SlotNum, Item, (SlotNum == -1) ? caLeftClickOutside : caLeftClick); +} + + + + + +void cProtocol_1_9_0::HandlePacketEntityAction(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, PlayerID); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Action); + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, JumpBoost); + + switch (Action) + { + case 0: m_Client->HandleEntityCrouch(PlayerID, true); break; // Crouch + case 1: m_Client->HandleEntityCrouch(PlayerID, false); break; // Uncrouch + case 2: m_Client->HandleEntityLeaveBed(PlayerID); break; // Leave Bed + case 3: m_Client->HandleEntitySprinting(PlayerID, true); break; // Start sprinting + case 4: m_Client->HandleEntitySprinting(PlayerID, false); break; // Stop sprinting + } +} + + + + + +void cProtocol_1_9_0::HandlePacketKeepAlive(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, KeepAliveID); + m_Client->HandleKeepAlive(KeepAliveID); +} + + + + + +void cProtocol_1_9_0::HandlePacketPlayer(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); + // TODO: m_Client->HandlePlayerOnGround(IsOnGround); +} + + + + + +void cProtocol_1_9_0::HandlePacketPlayerAbilities(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Flags); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, FlyingSpeed); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, WalkingSpeed); + + // COnvert the bitfield into individual boolean flags: + bool IsFlying = false, CanFly = false; + if ((Flags & 2) != 0) + { + IsFlying = true; + } + if ((Flags & 4) != 0) + { + CanFly = true; + } + + m_Client->HandlePlayerAbilities(CanFly, IsFlying, FlyingSpeed, WalkingSpeed); +} + + + + + +void cProtocol_1_9_0::HandlePacketPlayerLook(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Yaw); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Pitch); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); + m_Client->HandlePlayerLook(Yaw, Pitch, IsOnGround); +} + + + + + +void cProtocol_1_9_0::HandlePacketPlayerPos(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); + m_Client->HandlePlayerPos(PosX, PosY, PosZ, PosY + (m_Client->GetPlayer()->IsCrouched() ? 1.54 : 1.62), IsOnGround); +} + + + + + +void cProtocol_1_9_0::HandlePacketPlayerPosLook(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Yaw); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Pitch); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); + m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, PosY + 1.62, Yaw, Pitch, IsOnGround); +} + + + + + +void cProtocol_1_9_0::HandlePacketPluginMessage(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Channel); + + // If the plugin channel is recognized vanilla, handle it directly: + if (Channel.substr(0, 3) == "MC|") + { + HandleVanillaPluginMessage(a_ByteBuffer, Channel); + + // Skip any unread data (vanilla sometimes sends garbage at the end of a packet; #1692): + if (a_ByteBuffer.GetReadableSpace() > 1) + { + LOGD("Protocol 1.8: Skipping garbage data at the end of a vanilla PluginMessage packet, %u bytes", + static_cast<unsigned>(a_ByteBuffer.GetReadableSpace() - 1) + ); + a_ByteBuffer.SkipRead(a_ByteBuffer.GetReadableSpace() - 1); + } + + return; + } + + // Read the plugin message and relay to clienthandle: + AString Data; + VERIFY(a_ByteBuffer.ReadString(Data, a_ByteBuffer.GetReadableSpace() - 1)); // Always succeeds + m_Client->HandlePluginMessage(Channel, Data); +} + + + + + +void cProtocol_1_9_0::HandlePacketSlotSelect(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum); + m_Client->HandleSlotSelected(SlotNum); +} + + + + + +void cProtocol_1_9_0::HandlePacketSpectate(cByteBuffer & a_ByteBuffer) +{ + AString playerUUID; + if (!a_ByteBuffer.ReadUUID(playerUUID)) + { + return; + } + + m_Client->HandleSpectate(playerUUID); +} + + + + + +void cProtocol_1_9_0::HandlePacketSteerVehicle(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Sideways); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Forward); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Flags); + + if ((Flags & 0x2) != 0) + { + m_Client->HandleUnmount(); + } + else if ((Flags & 0x1) != 0) + { + // TODO: Handle vehicle jump (for animals) + } + else + { + m_Client->HandleSteerVehicle(Forward, Sideways); + } +} + + + + + +void cProtocol_1_9_0::HandlePacketTabComplete(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Text); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, AssumeCommand); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, HasPosition); + + if (HasPosition) + { + HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Position); + } + + m_Client->HandleTabCompletion(Text); +} + + + + + +void cProtocol_1_9_0::HandlePacketUpdateSign(cByteBuffer & a_ByteBuffer) +{ + int BlockX, BlockY, BlockZ; + if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ)) + { + return; + } + + AString Lines[4]; + for (int i = 0; i < 4; i++) + { + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line); + Lines[i] = Line; + } + + m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Lines[0], Lines[1], Lines[2], Lines[3]); +} + + + + + +void cProtocol_1_9_0::HandlePacketUseEntity(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, EntityID); + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Type); + + switch (Type) + { + case 0: + { + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Hand) + m_Client->HandleUseEntity(EntityID, false); + break; + } + case 1: + { + m_Client->HandleUseEntity(EntityID, true); + break; + } + case 2: + { + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetX); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetY); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetZ); + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Hand); + + // TODO: Do anything + break; + } + default: + { + ASSERT(!"Unhandled use entity type!"); + return; + } + } +} + + + + + +void cProtocol_1_9_0::HandlePacketUseItem(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt64, Hand); + + // Didn't click a block - emulate old values used with place block of -1, -1, -1 (and BLOCK_FACE_NONE). + m_Client->HandleRightClick(-1, 255, -1, BLOCK_FACE_NONE, 0, 0, 0, m_Client->GetPlayer()->GetEquippedItem()); +} + + + + + +void cProtocol_1_9_0::HandlePacketEnchantItem(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Enchantment); + + m_Client->HandleEnchantItem(WindowID, Enchantment); +} + + + + + +void cProtocol_1_9_0::HandlePacketVehicleMove(cByteBuffer & a_ByteBuffer) +{ + // This handles updating the vehicles location server side + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, xPos); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, yPos); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, zPos); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, yaw); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, pitch); + + // Get the players vehicle + cEntity * Vehicle = m_Client->GetPlayer()->GetAttached(); + + if (Vehicle) + { + Vehicle->SetPosX(xPos); + Vehicle->SetPosY(yPos); + Vehicle->SetPosZ(zPos); + Vehicle->SetYaw(yaw); + Vehicle->SetPitch(pitch); + } +} + + + + + +void cProtocol_1_9_0::HandlePacketWindowClick(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID); + HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum); + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Button); + HANDLE_READ(a_ByteBuffer, ReadBEUInt16, UInt16, TransactionID); + HANDLE_READ(a_ByteBuffer, ReadVarInt32, UInt32, Mode); + cItem Item; + ReadItem(a_ByteBuffer, Item); + + // Convert Button, Mode, SlotNum and HeldItem into eClickAction: + eClickAction Action; + switch ((Mode << 8) | Button) + { + case 0x0000: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caLeftClick : caLeftClickOutside; break; + case 0x0001: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caRightClick : caRightClickOutside; break; + case 0x0100: Action = caShiftLeftClick; break; + case 0x0101: Action = caShiftRightClick; break; + case 0x0200: Action = caNumber1; break; + case 0x0201: Action = caNumber2; break; + case 0x0202: Action = caNumber3; break; + case 0x0203: Action = caNumber4; break; + case 0x0204: Action = caNumber5; break; + case 0x0205: Action = caNumber6; break; + case 0x0206: Action = caNumber7; break; + case 0x0207: Action = caNumber8; break; + case 0x0208: Action = caNumber9; break; + case 0x0302: Action = caMiddleClick; break; + case 0x0400: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftClickOutsideHoldNothing : caDropKey; break; + case 0x0401: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightClickOutsideHoldNothing : caCtrlDropKey; break; + case 0x0500: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftPaintBegin : caUnknown; break; + case 0x0501: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caLeftPaintProgress : caUnknown; break; + case 0x0502: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftPaintEnd : caUnknown; break; + case 0x0504: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightPaintBegin : caUnknown; break; + case 0x0505: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caRightPaintProgress : caUnknown; break; + case 0x0506: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightPaintEnd : caUnknown; break; + case 0x0600: Action = caDblClick; break; + default: + { + LOGWARNING("Unhandled window click mode / button combination: %d (0x%x)", (Mode << 8) | Button, (Mode << 8) | Button); + Action = caUnknown; + break; + } + } + + m_Client->HandleWindowClick(WindowID, SlotNum, Action, Item); +} + + + + + +void cProtocol_1_9_0::HandlePacketWindowClose(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID); + m_Client->HandleWindowClose(WindowID); +} + + + + + +void cProtocol_1_9_0::HandleVanillaPluginMessage(cByteBuffer & a_ByteBuffer, const AString & a_Channel) +{ + if (a_Channel == "MC|AdvCdm") + { + HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Mode) + switch (Mode) + { + case 0x00: + { + HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockX); + HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockY); + HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockZ); + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Command); + m_Client->HandleCommandBlockBlockChange(BlockX, BlockY, BlockZ, Command); + break; + } + + default: + { + m_Client->SendChat(Printf("Failure setting command block command; unhandled mode %u (0x%02x)", Mode, Mode), mtFailure); + LOG("Unhandled MC|AdvCdm packet mode."); + return; + } + } // switch (Mode) + return; + } + else if (a_Channel == "MC|Brand") + { + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Brand); + m_Client->SetClientBrand(Brand); + // Send back our brand, including the length: + SendPluginMessage("MC|Brand", "\x08""Cuberite"); + return; + } + else if (a_Channel == "MC|Beacon") + { + HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, Effect1); + HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, Effect2); + m_Client->HandleBeaconSelection(Effect1, Effect2); + return; + } + else if (a_Channel == "MC|ItemName") + { + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, ItemName); + m_Client->HandleAnvilItemName(ItemName); + return; + } + else if (a_Channel == "MC|TrSel") + { + HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, SlotNum); + m_Client->HandleNPCTrade(SlotNum); + return; + } + LOG("Unhandled vanilla plugin channel: \"%s\".", a_Channel.c_str()); + + // Read the payload and send it through to the clienthandle: + AString Message; + VERIFY(a_ByteBuffer.ReadString(Message, a_ByteBuffer.GetReadableSpace() - 1)); + m_Client->HandlePluginMessage(a_Channel, Message); +} + + + + + +void cProtocol_1_9_0::SendData(const char * a_Data, size_t a_Size) +{ + if (m_IsEncrypted) + { + Byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks) + while (a_Size > 0) + { + size_t NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size; + m_Encryptor.ProcessData(Encrypted, reinterpret_cast<Byte *>(const_cast<char*>(a_Data)), NumBytes); + m_Client->SendData(reinterpret_cast<const char *>(Encrypted), NumBytes); + a_Size -= NumBytes; + a_Data += NumBytes; + } + } + else + { + m_Client->SendData(a_Data, a_Size); + } +} + + + + + +bool cProtocol_1_9_0::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_KeepRemainingBytes) +{ + HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, ItemType); + if (ItemType == -1) + { + // The item is empty, no more data follows + a_Item.Empty(); + return true; + } + a_Item.m_ItemType = ItemType; + + HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt8, Int8, ItemCount); + HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, ItemDamage); + a_Item.m_ItemCount = ItemCount; + a_Item.m_ItemDamage = ItemDamage; + if (ItemCount <= 0) + { + a_Item.Empty(); + } + + AString Metadata; + if (!a_ByteBuffer.ReadString(Metadata, a_ByteBuffer.GetReadableSpace() - a_KeepRemainingBytes - 1) || (Metadata.size() == 0) || (Metadata[0] == 0)) + { + // No metadata + return true; + } + + ParseItemMetadata(a_Item, Metadata); + return true; +} + + + + + +void cProtocol_1_9_0::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata) +{ + // Parse into NBT: + cParsedNBT NBT(a_Metadata.data(), a_Metadata.size()); + if (!NBT.IsValid()) + { + AString HexDump; + CreateHexDump(HexDump, a_Metadata.data(), std::max<size_t>(a_Metadata.size(), 1024), 16); + LOGWARNING("Cannot parse NBT item metadata: (" SIZE_T_FMT " bytes)\n%s", a_Metadata.size(), HexDump.c_str()); + return; + } + + // Load enchantments and custom display names from the NBT data: + for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag)) + { + AString TagName = NBT.GetName(tag); + switch (NBT.GetType(tag)) + { + case TAG_List: + { + if ((TagName == "ench") || (TagName == "StoredEnchantments")) // Enchantments tags + { + EnchantmentSerializer::ParseFromNBT(a_Item.m_Enchantments, NBT, tag); + } + break; + } + case TAG_Compound: + { + if (TagName == "display") // Custom name and lore tag + { + for (int displaytag = NBT.GetFirstChild(tag); displaytag >= 0; displaytag = NBT.GetNextSibling(displaytag)) + { + if ((NBT.GetType(displaytag) == TAG_String) && (NBT.GetName(displaytag) == "Name")) // Custon name tag + { + a_Item.m_CustomName = NBT.GetString(displaytag); + } + else if ((NBT.GetType(displaytag) == TAG_List) && (NBT.GetName(displaytag) == "Lore")) // Lore tag + { + AString Lore; + + for (int loretag = NBT.GetFirstChild(displaytag); loretag >= 0; loretag = NBT.GetNextSibling(loretag)) // Loop through array of strings + { + AppendPrintf(Lore, "%s`", NBT.GetString(loretag).c_str()); // Append the lore with a grave accent / backtick, used internally by MCS to display a new line in the client; don't forget to c_str ;) + } + + a_Item.m_Lore = Lore; + } + else if ((NBT.GetType(displaytag) == TAG_Int) && (NBT.GetName(displaytag) == "color")) + { + a_Item.m_ItemColor.m_Color = static_cast<unsigned int>(NBT.GetInt(displaytag)); + } + } + } + else if ((TagName == "Fireworks") || (TagName == "Explosion")) + { + cFireworkItem::ParseFromNBT(a_Item.m_FireworkItem, NBT, tag, static_cast<ENUM_ITEM_ID>(a_Item.m_ItemType)); + } + else if (TagName == "EntityTag") + { + for (int entitytag = NBT.GetFirstChild(tag); entitytag >= 0; entitytag = NBT.GetNextSibling(entitytag)) + { + if ((NBT.GetType(entitytag) == TAG_String) && (NBT.GetName(entitytag) == "id")) + { + eMonsterType MonsterType = cMonster::StringToMobType(NBT.GetString(entitytag)); + // No special method here to convert to the numeric damage value; just cast to the given ID + a_Item.m_ItemDamage = static_cast<short>(MonsterType); + } + } + } + break; + } + case TAG_Int: + { + if (TagName == "RepairCost") + { + a_Item.m_RepairCost = NBT.GetInt(tag); + } + break; + } + case TAG_String: + { + if (TagName == "Potion") + { + AString PotionEffect = NBT.GetString(tag); + if (PotionEffect.find("minecraft:") == AString::npos) + { + LOGD("Unknown or missing domain on potion effect name %s!", PotionEffect.c_str()); + continue; + } + + if (PotionEffect.find("water") != AString::npos) + { + a_Item.m_ItemDamage = 0; + // Water bottles shouldn't have other bits set on them; exit early. + continue; + } + if (PotionEffect.find("empty") != AString::npos) + { + a_Item.m_ItemDamage = 0; + } + else if (PotionEffect.find("mundane") != AString::npos) + { + a_Item.m_ItemDamage = 0; + } + else if (PotionEffect.find("thick") != AString::npos) + { + a_Item.m_ItemDamage = 20; + } + else if (PotionEffect.find("awkward") != AString::npos) + { + a_Item.m_ItemDamage = 10; + } + else if (PotionEffect.find("regeneration") != AString::npos) + { + a_Item.m_ItemDamage = 1; + } + else if (PotionEffect.find("swiftness") != AString::npos) + { + a_Item.m_ItemDamage = 2; + } + else if (PotionEffect.find("fire_resistance") != AString::npos) + { + a_Item.m_ItemDamage = 3; + } + else if (PotionEffect.find("poison") != AString::npos) + { + a_Item.m_ItemDamage = 4; + } + else if (PotionEffect.find("healing") != AString::npos) + { + a_Item.m_ItemDamage = 5; + } + else if (PotionEffect.find("night_vision") != AString::npos) + { + a_Item.m_ItemDamage = 6; + } + else if (PotionEffect.find("weakness") != AString::npos) + { + a_Item.m_ItemDamage = 8; + } + else if (PotionEffect.find("strength") != AString::npos) + { + a_Item.m_ItemDamage = 9; + } + else if (PotionEffect.find("slowness") != AString::npos) + { + a_Item.m_ItemDamage = 10; + } + else if (PotionEffect.find("leaping") != AString::npos) + { + a_Item.m_ItemDamage = 11; + } + else if (PotionEffect.find("harming") != AString::npos) + { + a_Item.m_ItemDamage = 12; + } + else if (PotionEffect.find("water_breathing") != AString::npos) + { + a_Item.m_ItemDamage = 13; + } + else if (PotionEffect.find("invisibility") != AString::npos) + { + a_Item.m_ItemDamage = 14; + } + else + { + // Note: luck potions are not handled and will reach this location + LOGD("Unknown potion type for effect name %s!", PotionEffect.c_str()); + continue; + } + + if (PotionEffect.find("strong") != AString::npos) + { + a_Item.m_ItemDamage |= 0x20; + } + if (PotionEffect.find("long") != AString::npos) + { + a_Item.m_ItemDamage |= 0x40; + } + + // Ugly special case with the changed splash potion ID in 1.9 + if ((a_Item.m_ItemType == 438) || (a_Item.m_ItemType == 441)) + { + // Splash or lingering potions - change the ID to the normal one and mark as splash potions + a_Item.m_ItemType = E_ITEM_POTION; + a_Item.m_ItemDamage |= 0x4000; // Is splash potion + } + else + { + a_Item.m_ItemDamage |= 0x2000; // Is drinkable + } + } + break; + } + default: LOGD("Unimplemented NBT data when parsing!"); break; + } + } +} + + + + + +void cProtocol_1_9_0::StartEncryption(const Byte * a_Key) +{ + m_Encryptor.Init(a_Key, a_Key); + m_Decryptor.Init(a_Key, a_Key); + m_IsEncrypted = true; + + // Prepare the m_AuthServerID: + cSha1Checksum Checksum; + cServer * Server = cRoot::Get()->GetServer(); + const AString & ServerID = Server->GetServerID(); + Checksum.Update(reinterpret_cast<const Byte *>(ServerID.c_str()), ServerID.length()); + Checksum.Update(a_Key, 16); + Checksum.Update(reinterpret_cast<const Byte *>(Server->GetPublicKeyDER().data()), Server->GetPublicKeyDER().size()); + Byte Digest[20]; + Checksum.Finalize(Digest); + cSha1Checksum::DigestToJava(Digest, m_AuthServerID); +} + + + + + +eBlockFace cProtocol_1_9_0::FaceIntToBlockFace(Int32 a_BlockFace) +{ + // Normalize the blockface values returned from the protocol + // Anything known gets mapped 1:1, everything else returns BLOCK_FACE_NONE + switch (a_BlockFace) + { + case BLOCK_FACE_XM: return BLOCK_FACE_XM; + case BLOCK_FACE_XP: return BLOCK_FACE_XP; + case BLOCK_FACE_YM: return BLOCK_FACE_YM; + case BLOCK_FACE_YP: return BLOCK_FACE_YP; + case BLOCK_FACE_ZM: return BLOCK_FACE_ZM; + case BLOCK_FACE_ZP: return BLOCK_FACE_ZP; + default: return BLOCK_FACE_NONE; + } +} + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cProtocol_1_9_0::cPacketizer: + +void cProtocol_1_9_0::SendPacket(cPacketizer & a_Pkt) +{ + UInt32 PacketLen = static_cast<UInt32>(m_OutPacketBuffer.GetUsedSpace()); + AString PacketData, CompressedPacket; + m_OutPacketBuffer.ReadAll(PacketData); + m_OutPacketBuffer.CommitRead(); + + if ((m_State == 3) && (PacketLen >= 256)) + { + // Compress the packet payload: + if (!cProtocol_1_9_0::CompressPacket(PacketData, CompressedPacket)) + { + return; + } + } + else if (m_State == 3) + { + // The packet is not compressed, indicate this in the packet header: + m_OutPacketLenBuffer.WriteVarInt32(PacketLen + 1); + m_OutPacketLenBuffer.WriteVarInt32(0); + AString LengthData; + m_OutPacketLenBuffer.ReadAll(LengthData); + SendData(LengthData.data(), LengthData.size()); + } + else + { + // Compression doesn't apply to this state, send raw data: + m_OutPacketLenBuffer.WriteVarInt32(PacketLen); + AString LengthData; + m_OutPacketLenBuffer.ReadAll(LengthData); + SendData(LengthData.data(), LengthData.size()); + } + + // Send the packet's payload, either direct or compressed: + if (CompressedPacket.empty()) + { + m_OutPacketLenBuffer.CommitRead(); + SendData(PacketData.data(), PacketData.size()); + } + else + { + SendData(CompressedPacket.data(), CompressedPacket.size()); + } + + // Log the comm into logfile: + if (g_ShouldLogCommOut && m_CommLogFile.IsOpen()) + { + AString Hex; + ASSERT(PacketData.size() > 0); + CreateHexDump(Hex, PacketData.data(), PacketData.size(), 16); + m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload (incl. type):\n%s\n", + a_Pkt.GetPacketType(), a_Pkt.GetPacketType(), PacketLen, PacketLen, m_State, Hex.c_str() + ); + } +} + + + + + +void cProtocol_1_9_0::WriteItem(cPacketizer & a_Pkt, const cItem & a_Item) +{ + short ItemType = a_Item.m_ItemType; + ASSERT(ItemType >= -1); // Check validity of packets in debug runtime + if (ItemType <= 0) + { + // Fix, to make sure no invalid values are sent. + ItemType = -1; + } + + if (a_Item.IsEmpty()) + { + a_Pkt.WriteBEInt16(-1); + return; + } + + if ((ItemType == E_ITEM_POTION) && ((a_Item.m_ItemDamage & 0x4000) != 0)) + { + // Ugly special case for splash potion ids which changed in 1.9; this can be removed when the new 1.9 ids are implemented + a_Pkt.WriteBEInt16(438); // minecraft:splash_potion + } + else + { + // Normal item + a_Pkt.WriteBEInt16(ItemType); + } + a_Pkt.WriteBEInt8(a_Item.m_ItemCount); + if ((ItemType == E_ITEM_POTION) || (ItemType == E_ITEM_SPAWN_EGG)) + { + // These items lost their metadata; if it is sent they don't render correctly. + a_Pkt.WriteBEInt16(0); + } + else + { + a_Pkt.WriteBEInt16(a_Item.m_ItemDamage); + } + + if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty() && (ItemType != E_ITEM_FIREWORK_ROCKET) && (ItemType != E_ITEM_FIREWORK_STAR) && !a_Item.m_ItemColor.IsValid() && (ItemType != E_ITEM_POTION) && (ItemType != E_ITEM_SPAWN_EGG)) + { + a_Pkt.WriteBEInt8(0); + return; + } + + + // Send the enchantments and custom names: + cFastNBTWriter Writer; + if (a_Item.m_RepairCost != 0) + { + Writer.AddInt("RepairCost", a_Item.m_RepairCost); + } + if (!a_Item.m_Enchantments.IsEmpty()) + { + const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench"; + EnchantmentSerializer::WriteToNBTCompound(a_Item.m_Enchantments, Writer, TagName); + } + if (!a_Item.IsBothNameAndLoreEmpty() || a_Item.m_ItemColor.IsValid()) + { + Writer.BeginCompound("display"); + if (a_Item.m_ItemColor.IsValid()) + { + Writer.AddInt("color", static_cast<Int32>(a_Item.m_ItemColor.m_Color)); + } + + if (!a_Item.IsCustomNameEmpty()) + { + Writer.AddString("Name", a_Item.m_CustomName.c_str()); + } + if (!a_Item.IsLoreEmpty()) + { + Writer.BeginList("Lore", TAG_String); + + AStringVector Decls = StringSplit(a_Item.m_Lore, "`"); + for (AStringVector::const_iterator itr = Decls.begin(), end = Decls.end(); itr != end; ++itr) + { + if (itr->empty()) + { + // The decl is empty (two `s), ignore + continue; + } + Writer.AddString("", itr->c_str()); + } + + Writer.EndList(); + } + Writer.EndCompound(); + } + if ((a_Item.m_ItemType == E_ITEM_FIREWORK_ROCKET) || (a_Item.m_ItemType == E_ITEM_FIREWORK_STAR)) + { + cFireworkItem::WriteToNBTCompound(a_Item.m_FireworkItem, Writer, static_cast<ENUM_ITEM_ID>(a_Item.m_ItemType)); + } + if (a_Item.m_ItemType == E_ITEM_POTION) + { + // 1.9 potions use a different format. In the future (when only 1.9+ is supported) this should be its own class + AString PotionID = "empty"; // Fallback of "Uncraftable potion" for unhandled cases + + cEntityEffect::eType Type = cEntityEffect::GetPotionEffectType(a_Item.m_ItemDamage); + if (Type != cEntityEffect::effNoEffect) + { + switch (Type) + { + case cEntityEffect::effRegeneration: PotionID = "regeneration"; break; + case cEntityEffect::effSpeed: PotionID = "swiftness"; break; + case cEntityEffect::effFireResistance: PotionID = "fire_resistance"; break; + case cEntityEffect::effPoison: PotionID = "poison"; break; + case cEntityEffect::effInstantHealth: PotionID = "healing"; break; + case cEntityEffect::effNightVision: PotionID = "night_vision"; break; + case cEntityEffect::effWeakness: PotionID = "weakness"; break; + case cEntityEffect::effStrength: PotionID = "strength"; break; + case cEntityEffect::effSlowness: PotionID = "slowness"; break; + case cEntityEffect::effJumpBoost: PotionID = "leaping"; break; + case cEntityEffect::effInstantDamage: PotionID = "harming"; break; + case cEntityEffect::effWaterBreathing: PotionID = "water_breathing"; break; + case cEntityEffect::effInvisibility: PotionID = "invisibility"; break; + } + if (cEntityEffect::GetPotionEffectIntensity(a_Item.m_ItemDamage) == 1) + { + PotionID = "strong_" + PotionID; + } + else if (a_Item.m_ItemDamage & 0x40) + { + // Extended potion bit + PotionID = "long_" + PotionID; + } + } + else + { + // Empty potions: Water bottles and other base ones + if (a_Item.m_ItemDamage == 0) + { + // No other bits set; thus it's a water bottle + PotionID = "water"; + } + else + { + switch (a_Item.m_ItemDamage & 0x3f) + { + case 0x00: PotionID = "mundane"; break; + case 0x10: PotionID = "awkward"; break; + case 0x20: PotionID = "thick"; break; + } + // Default cases will use "empty" from before. + } + } + + PotionID = "minecraft:" + PotionID; + + Writer.AddString("Potion", PotionID.c_str()); + } + if (a_Item.m_ItemType == E_ITEM_SPAWN_EGG) + { + // Convert entity ID to the name. + eMonsterType MonsterType = cItemSpawnEggHandler::ItemDamageToMonsterType(a_Item.m_ItemDamage); + if (MonsterType != eMonsterType::mtInvalidType) + { + Writer.BeginCompound("EntityTag"); + Writer.AddString("id", cMonster::MobTypeToVanillaName(MonsterType)); + Writer.EndCompound(); + } + } + + Writer.Finish(); + + AString Result = Writer.GetResult(); + if (Result.size() == 0) + { + a_Pkt.WriteBEInt8(0); + return; + } + a_Pkt.WriteBuf(Result.data(), Result.size()); +} + + + + + +void cProtocol_1_9_0::WriteBlockEntity(cPacketizer & a_Pkt, const cBlockEntity & a_BlockEntity) +{ + cFastNBTWriter Writer; + + switch (a_BlockEntity.GetBlockType()) + { + case E_BLOCK_BEACON: + { + auto & BeaconEntity = reinterpret_cast<const cBeaconEntity &>(a_BlockEntity); + Writer.AddInt("x", BeaconEntity.GetPosX()); + Writer.AddInt("y", BeaconEntity.GetPosY()); + Writer.AddInt("z", BeaconEntity.GetPosZ()); + Writer.AddInt("Primary", BeaconEntity.GetPrimaryEffect()); + Writer.AddInt("Secondary", BeaconEntity.GetSecondaryEffect()); + Writer.AddInt("Levels", BeaconEntity.GetBeaconLevel()); + Writer.AddString("id", "Beacon"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though + break; + } + + case E_BLOCK_COMMAND_BLOCK: + { + auto & CommandBlockEntity = reinterpret_cast<const cCommandBlockEntity &>(a_BlockEntity); + Writer.AddByte("TrackOutput", 1); // Neither I nor the MC wiki has any idea about this + Writer.AddInt("SuccessCount", CommandBlockEntity.GetResult()); + Writer.AddInt("x", CommandBlockEntity.GetPosX()); + Writer.AddInt("y", CommandBlockEntity.GetPosY()); + Writer.AddInt("z", CommandBlockEntity.GetPosZ()); + Writer.AddString("Command", CommandBlockEntity.GetCommand().c_str()); + // You can set custom names for windows in Vanilla + // For a command block, this would be the 'name' prepended to anything it outputs into global chat + // MCS doesn't have this, so just leave it @ '@'. (geddit?) + Writer.AddString("CustomName", "@"); + Writer.AddString("id", "Control"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though + if (!CommandBlockEntity.GetLastOutput().empty()) + { + Writer.AddString("LastOutput", Printf("{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str())); + } + break; + } + + case E_BLOCK_HEAD: + { + auto & MobHeadEntity = reinterpret_cast<const cMobHeadEntity &>(a_BlockEntity); + Writer.AddInt("x", MobHeadEntity.GetPosX()); + Writer.AddInt("y", MobHeadEntity.GetPosY()); + Writer.AddInt("z", MobHeadEntity.GetPosZ()); + Writer.AddByte("SkullType", MobHeadEntity.GetType() & 0xFF); + Writer.AddByte("Rot", MobHeadEntity.GetRotation() & 0xFF); + Writer.AddString("id", "Skull"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though + + // The new Block Entity format for a Mob Head. See: http://minecraft.gamepedia.com/Head#Block_entity + Writer.BeginCompound("Owner"); + Writer.AddString("Id", MobHeadEntity.GetOwnerUUID()); + Writer.AddString("Name", MobHeadEntity.GetOwnerName()); + Writer.BeginCompound("Properties"); + Writer.BeginList("textures", TAG_Compound); + Writer.BeginCompound(""); + Writer.AddString("Signature", MobHeadEntity.GetOwnerTextureSignature()); + Writer.AddString("Value", MobHeadEntity.GetOwnerTexture()); + Writer.EndCompound(); + Writer.EndList(); + Writer.EndCompound(); + Writer.EndCompound(); + break; + } + + case E_BLOCK_FLOWER_POT: + { + auto & FlowerPotEntity = reinterpret_cast<const cFlowerPotEntity &>(a_BlockEntity); + Writer.AddInt("x", FlowerPotEntity.GetPosX()); + Writer.AddInt("y", FlowerPotEntity.GetPosY()); + Writer.AddInt("z", FlowerPotEntity.GetPosZ()); + Writer.AddInt("Item", static_cast<Int32>(FlowerPotEntity.GetItem().m_ItemType)); + Writer.AddInt("Data", static_cast<Int32>(FlowerPotEntity.GetItem().m_ItemDamage)); + Writer.AddString("id", "FlowerPot"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though + break; + } + + case E_BLOCK_MOB_SPAWNER: + { + auto & MobSpawnerEntity = reinterpret_cast<const cMobSpawnerEntity &>(a_BlockEntity); + Writer.AddInt("x", MobSpawnerEntity.GetPosX()); + Writer.AddInt("y", MobSpawnerEntity.GetPosY()); + Writer.AddInt("z", MobSpawnerEntity.GetPosZ()); + Writer.AddString("EntityId", cMonster::MobTypeToVanillaName(MobSpawnerEntity.GetEntity())); + Writer.AddShort("Delay", MobSpawnerEntity.GetSpawnDelay()); + Writer.AddString("id", "MobSpawner"); + break; + } + + default: + { + break; + } + } + + Writer.Finish(); + a_Pkt.WriteBuf(Writer.GetResult().data(), Writer.GetResult().size()); +} + + + + + +void cProtocol_1_9_0::WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity) +{ + // Common metadata: + Int8 Flags = 0; + if (a_Entity.IsOnFire()) + { + Flags |= 0x01; + } + if (a_Entity.IsCrouched()) + { + Flags |= 0x02; + } + if (a_Entity.IsSprinting()) + { + Flags |= 0x08; + } + if (a_Entity.IsRclking()) + { + Flags |= 0x10; + } + if (a_Entity.IsInvisible()) + { + Flags |= 0x20; + } + a_Pkt.WriteBEUInt8(0); // Index 0 + a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE); // Type + a_Pkt.WriteBEInt8(Flags); + + switch (a_Entity.GetEntityType()) + { + case cEntity::etPlayer: + { + auto & Player = reinterpret_cast<const cPlayer &>(a_Entity); + + // TODO Set player custom name to their name. + // Then it's possible to move the custom name of mobs to the entities + // and to remove the "special" player custom name. + a_Pkt.WriteBEUInt8(2); // Index 2: Custom name + a_Pkt.WriteBEUInt8(METADATA_TYPE_STRING); + a_Pkt.WriteString(Player.GetName()); + + a_Pkt.WriteBEUInt8(6); // Start metadata - Index 6: Health + a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT); + a_Pkt.WriteBEFloat(static_cast<float>(Player.GetHealth())); + break; + } + case cEntity::etPickup: + { + a_Pkt.WriteBEUInt8(5); // Index 5: Item + a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM); + WriteItem(a_Pkt, reinterpret_cast<const cPickup &>(a_Entity).GetItem()); + break; + } + case cEntity::etMinecart: + { + a_Pkt.WriteBEUInt8(5); // Index 5: Shaking power + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + + // The following expression makes Minecarts shake more with less health or higher damage taken + auto & Minecart = reinterpret_cast<const cMinecart &>(a_Entity); + auto maxHealth = a_Entity.GetMaxHealth(); + auto curHealth = a_Entity.GetHealth(); + a_Pkt.WriteVarInt32(static_cast<UInt32>((maxHealth - curHealth) * Minecart.LastDamage() * 4)); + + a_Pkt.WriteBEUInt8(6); // Index 6: Shaking direction (doesn't seem to effect anything) + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(1); + + a_Pkt.WriteBEUInt8(7); // Index 7: Shake multiplier / damage taken + a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT); + a_Pkt.WriteBEFloat(static_cast<float>(Minecart.LastDamage() + 10)); + + if (Minecart.GetPayload() == cMinecart::mpNone) + { + auto & RideableMinecart = reinterpret_cast<const cRideableMinecart &>(Minecart); + const cItem & MinecartContent = RideableMinecart.GetContent(); + if (!MinecartContent.IsEmpty()) + { + a_Pkt.WriteBEUInt8(8); // Index 8: Block ID and damage + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + int Content = MinecartContent.m_ItemType; + Content |= MinecartContent.m_ItemDamage << 8; + a_Pkt.WriteVarInt32(static_cast<UInt32>(Content)); + + a_Pkt.WriteBEUInt8(9); // Index 9: Block ID and damage + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(static_cast<UInt32>(RideableMinecart.GetBlockHeight())); + + a_Pkt.WriteBEUInt8(10); // Index 10: Show block + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(true); + } + } + else if (Minecart.GetPayload() == cMinecart::mpFurnace) + { + a_Pkt.WriteBEUInt8(11); // Index 11: Is powered + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(reinterpret_cast<const cMinecartWithFurnace &>(Minecart).IsFueled()); + } + break; + } // case etMinecart + + case cEntity::etProjectile: + { + auto & Projectile = reinterpret_cast<const cProjectileEntity &>(a_Entity); + switch (Projectile.GetProjectileKind()) + { + case cProjectileEntity::pkArrow: + { + a_Pkt.WriteBEUInt8(5); // Index 5: Is critical + a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE); + a_Pkt.WriteBEInt8(reinterpret_cast<const cArrowEntity &>(Projectile).IsCritical() ? 1 : 0); + break; + } + case cProjectileEntity::pkFirework: + { + a_Pkt.WriteBEUInt8(5); // Index 5: Firework item used for this firework + a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM); + WriteItem(a_Pkt, reinterpret_cast<const cFireworkEntity &>(Projectile).GetItem()); + break; + } + case cProjectileEntity::pkSplashPotion: + { + a_Pkt.WriteBEUInt8(5); // Index 5: Potion item which was thrown + a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM); + WriteItem(a_Pkt, reinterpret_cast<const cSplashPotionEntity &>(Projectile).GetItem()); + } + default: + { + break; + } + } + break; + } // case etProjectile + + case cEntity::etMonster: + { + WriteMobMetadata(a_Pkt, reinterpret_cast<const cMonster &>(a_Entity)); + break; + } + + case cEntity::etBoat: + { + auto & Boat = reinterpret_cast<const cBoat &>(a_Entity); + + a_Pkt.WriteBEInt8(5); // Index 6: Time since last hit + a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteBEInt32(Boat.GetLastDamage()); + + a_Pkt.WriteBEInt8(6); // Index 7: Forward direction + a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteBEInt32(Boat.GetForwardDirection()); + + a_Pkt.WriteBEInt8(7); // Index 8: Damage taken + a_Pkt.WriteBEInt8(METADATA_TYPE_FLOAT); + a_Pkt.WriteBEFloat(Boat.GetDamageTaken()); + + a_Pkt.WriteBEInt8(8); // Index 9: Type + a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteBEInt32(Boat.GetType()); + + a_Pkt.WriteBEInt8(9); // Index 10: Right paddle turning + a_Pkt.WriteBEInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Boat.IsRightPaddleUsed()); + + a_Pkt.WriteBEInt8(10); // Index 11: Left paddle turning + a_Pkt.WriteBEInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Boat.IsLeftPaddleUsed()); + + break; + } // case etBoat + + case cEntity::etItemFrame: + { + auto & Frame = reinterpret_cast<const cItemFrame &>(a_Entity); + a_Pkt.WriteBEUInt8(5); // Index 5: Item + a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM); + WriteItem(a_Pkt, Frame.GetItem()); + a_Pkt.WriteBEUInt8(6); // Index 6: Rotation + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(Frame.GetItemRotation()); + break; + } // case etItemFrame + + default: + { + break; + } + } +} + + + + + +void cProtocol_1_9_0::WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob) +{ + // Living Enitiy Metadata + if (a_Mob.HasCustomName()) + { + // TODO: As of 1.9 _all_ entities can have custom names; should this be moved up? + a_Pkt.WriteBEUInt8(2); // Index 2: Custom name + a_Pkt.WriteBEUInt8(METADATA_TYPE_STRING); + a_Pkt.WriteString(a_Mob.GetCustomName()); + + a_Pkt.WriteBEUInt8(3); // Index 3: Custom name always visible + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(a_Mob.IsCustomNameAlwaysVisible()); + } + + a_Pkt.WriteBEUInt8(6); // Index 6: Health + a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT); + a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth())); + + switch (a_Mob.GetMobType()) + { + case mtBat: + { + auto & Bat = reinterpret_cast<const cBat &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Bat flags - currently only hanging + a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE); + a_Pkt.WriteBEInt8(Bat.IsHanging() ? 1 : 0); + break; + } // case mtBat + + case mtCreeper: + { + auto & Creeper = reinterpret_cast<const cCreeper &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: State (idle or "blowing") + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(Creeper.IsBlowing() ? 1 : 0xffffffff); + + a_Pkt.WriteBEUInt8(12); // Index 12: Is charged + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Creeper.IsCharged()); + + a_Pkt.WriteBEUInt8(13); // Index 13: Is ignited + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Creeper.IsBurnedWithFlintAndSteel()); + break; + } // case mtCreeper + + case mtEnderman: + { + auto & Enderman = reinterpret_cast<const cEnderman &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Carried block + a_Pkt.WriteBEUInt8(METADATA_TYPE_BLOCKID); + UInt32 Carried = 0; + Carried |= static_cast<UInt32>(Enderman.GetCarriedBlock() << 4); + Carried |= Enderman.GetCarriedMeta(); + a_Pkt.WriteVarInt32(Carried); + + a_Pkt.WriteBEUInt8(12); // Index 12: Is screaming + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Enderman.IsScreaming()); + break; + } // case mtEnderman + + case mtGhast: + { + auto & Ghast = reinterpret_cast<const cGhast &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Is attacking + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Ghast.IsCharging()); + break; + } // case mtGhast + + case mtHorse: + { + auto & Horse = reinterpret_cast<const cHorse &>(a_Mob); + Int8 Flags = 0; + if (Horse.IsTame()) + { + Flags |= 0x02; + } + if (Horse.IsSaddled()) + { + Flags |= 0x04; + } + if (Horse.IsChested()) + { + Flags |= 0x08; + } + if (Horse.IsEating()) + { + Flags |= 0x20; + } + if (Horse.IsRearing()) + { + Flags |= 0x40; + } + if (Horse.IsMthOpen()) + { + Flags |= 0x80; + } + a_Pkt.WriteBEUInt8(12); // Index 12: flags + a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE); + a_Pkt.WriteBEInt8(Flags); + + a_Pkt.WriteBEUInt8(13); // Index 13: Variant / type + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseType())); + + a_Pkt.WriteBEUInt8(14); // Index 14: Color / style + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + int Appearance = 0; + Appearance = Horse.GetHorseColor(); + Appearance |= Horse.GetHorseStyle() << 8; + a_Pkt.WriteVarInt32(static_cast<UInt32>(Appearance)); + + a_Pkt.WriteBEUInt8(16); // Index 16: Armor + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseArmour())); + + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Horse.IsBaby()); + break; + } // case mtHorse + + case mtMagmaCube: + { + auto & MagmaCube = reinterpret_cast<const cMagmaCube &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Size + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(static_cast<UInt32>(MagmaCube.GetSize())); + break; + } // case mtMagmaCube + + case mtOcelot: + { + auto & Ocelot = reinterpret_cast<const cOcelot &>(a_Mob); + + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Ocelot.IsBaby()); + break; + } // case mtOcelot + + case mtCow: + { + auto & Cow = reinterpret_cast<const cCow &>(a_Mob); + + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Cow.IsBaby()); + break; + } // case mtCow + + case mtChicken: + { + auto & Chicken = reinterpret_cast<const cChicken &>(a_Mob); + + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Chicken.IsBaby()); + break; + } // case mtChicken + + case mtPig: + { + auto & Pig = reinterpret_cast<const cPig &>(a_Mob); + + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Pig.IsBaby()); + + a_Pkt.WriteBEUInt8(12); // Index 12: Is saddled + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Pig.IsSaddled()); + + break; + } // case mtPig + + case mtSheep: + { + auto & Sheep = reinterpret_cast<const cSheep &>(a_Mob); + + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Sheep.IsBaby()); + + a_Pkt.WriteBEUInt8(12); // Index 12: sheared, color + a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE); + Int8 SheepMetadata = 0; + SheepMetadata = static_cast<Int8>(Sheep.GetFurColor()); + if (Sheep.IsSheared()) + { + SheepMetadata |= 0x10; + } + a_Pkt.WriteBEInt8(SheepMetadata); + break; + } // case mtSheep + + case mtRabbit: + { + auto & Rabbit = reinterpret_cast<const cRabbit &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Rabbit.IsBaby()); + + a_Pkt.WriteBEUInt8(12); // Index 12: Type + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(static_cast<UInt32>(Rabbit.GetRabbitType())); + break; + } // case mtRabbit + + case mtSkeleton: + { + auto & Skeleton = reinterpret_cast<const cSkeleton &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Type + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(Skeleton.IsWither() ? 1 : 0); + break; + } // case mtSkeleton + + case mtSlime: + { + auto & Slime = reinterpret_cast<const cSlime &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Size + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(static_cast<UInt32>(Slime.GetSize())); + break; + } // case mtSlime + + case mtVillager: + { + auto & Villager = reinterpret_cast<const cVillager &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Villager.IsBaby()); + + a_Pkt.WriteBEUInt8(12); // Index 12: Type + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(static_cast<UInt32>(Villager.GetVilType())); + break; + } // case mtVillager + + case mtWitch: + { + auto & Witch = reinterpret_cast<const cWitch &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Is angry + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Witch.IsAngry()); + break; + } // case mtWitch + + case mtWither: + { + auto & Wither = reinterpret_cast<const cWither &>(a_Mob); + a_Pkt.WriteBEUInt8(14); // Index 14: Invulnerable ticks + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(Wither.GetWitherInvulnerableTicks()); + + // TODO: Use boss bar packet for health + break; + } // case mtWither + + case mtWolf: + { + auto & Wolf = reinterpret_cast<const cWolf &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Wolf.IsBaby()); + + Int8 WolfStatus = 0; + if (Wolf.IsSitting()) + { + WolfStatus |= 0x1; + } + if (Wolf.IsAngry()) + { + WolfStatus |= 0x2; + } + if (Wolf.IsTame()) + { + WolfStatus |= 0x4; + } + a_Pkt.WriteBEUInt8(12); // Index 12: status + a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE); + a_Pkt.WriteBEInt8(WolfStatus); + + a_Pkt.WriteBEUInt8(14); // Index 14: Health + a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT); + a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth())); + + a_Pkt.WriteBEUInt8(15); // Index 15: Is begging + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Wolf.IsBegging()); + + a_Pkt.WriteBEUInt8(16); // Index 16: Collar color + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(static_cast<UInt32>(Wolf.GetCollarColor())); + break; + } // case mtWolf + + case mtZombie: + { + auto & Zombie = reinterpret_cast<const cZombie &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Zombie.IsBaby()); + + a_Pkt.WriteBEUInt8(12); // Index 12: Is a villager + a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT); + a_Pkt.WriteVarInt32(Zombie.IsVillagerZombie() ? 1 : 0); // TODO: This actually encodes the zombie villager profession, but that isn't implemented yet. + + a_Pkt.WriteBEUInt8(13); // Index 13: Is converting + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(Zombie.IsConverting()); + break; + } // case mtZombie + + case mtZombiePigman: + { + auto & ZombiePigman = reinterpret_cast<const cZombiePigman &>(a_Mob); + a_Pkt.WriteBEUInt8(11); // Index 11: Is baby + a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL); + a_Pkt.WriteBool(ZombiePigman.IsBaby()); + break; + } // case mtZombiePigman + } // switch (a_Mob.GetType()) +} + + + + + +void cProtocol_1_9_0::WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity) +{ + if (!a_Entity.IsMob()) + { + // No properties for anything else than mobs + a_Pkt.WriteBEInt32(0); + return; + } + + // const cMonster & Mob = (const cMonster &)a_Entity; + + // TODO: Send properties and modifiers based on the mob type + + a_Pkt.WriteBEInt32(0); // NumProperties +} + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cProtocol_1_9_1: + +cProtocol_1_9_1::cProtocol_1_9_1(cClientHandle * a_Client, const AString &a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) : + super(a_Client, a_ServerAddress, a_ServerPort, a_State) +{ +} + + + + + +void cProtocol_1_9_1::SendLogin(const cPlayer & a_Player, const cWorld & a_World) +{ + // Send the Join Game packet: + { + cServer * Server = cRoot::Get()->GetServer(); + cPacketizer Pkt(*this, 0x23); // Join Game packet + Pkt.WriteBEUInt32(a_Player.GetUniqueID()); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_Player.GetEffectiveGameMode()) | (Server->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4 + Pkt.WriteBEInt32(static_cast<Int32>(a_World.GetDimension())); + Pkt.WriteBEUInt8(2); // TODO: Difficulty (set to Normal) + Pkt.WriteBEUInt8(static_cast<UInt8>(Clamp<int>(Server->GetMaxPlayers(), 0, 255))); + Pkt.WriteString("default"); // Level type - wtf? + Pkt.WriteBool(false); // Reduced Debug Info - wtf? + } + + // Send the spawn position: + { + cPacketizer Pkt(*this, 0x43); // Spawn Position packet + Pkt.WritePosition64(FloorC(a_World.GetSpawnX()), FloorC(a_World.GetSpawnY()), FloorC(a_World.GetSpawnZ())); + } + + // Send the server difficulty: + { + cPacketizer Pkt(*this, 0x0d); // Server difficulty packet + Pkt.WriteBEInt8(1); + } + + // Send player abilities: + SendPlayerAbilities(); +} + + + + + +void cProtocol_1_9_1::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) +{ + cServer * Server = cRoot::Get()->GetServer(); + AString ServerDescription = Server->GetDescription(); + int NumPlayers = Server->GetNumPlayers(); + int MaxPlayers = Server->GetMaxPlayers(); + AString Favicon = Server->GetFaviconData(); + cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon); + + // Version: + Json::Value Version; + Version["name"] = "Cuberite 1.9.1"; + Version["protocol"] = 108; + + // Players: + Json::Value Players; + Players["online"] = NumPlayers; + Players["max"] = MaxPlayers; + // TODO: Add "sample" + + // Description: + Json::Value Description; + Description["text"] = ServerDescription.c_str(); + + // Create the response: + Json::Value ResponseValue; + ResponseValue["version"] = Version; + ResponseValue["players"] = Players; + ResponseValue["description"] = Description; + if (!Favicon.empty()) + { + ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str()); + } + + Json::StyledWriter Writer; + AString Response = Writer.write(ResponseValue); + + cPacketizer Pkt(*this, 0x00); // Response packet + Pkt.WriteString(Response); +} + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cProtocol_1_9_2: + +cProtocol_1_9_2::cProtocol_1_9_2(cClientHandle * a_Client, const AString &a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) : + super(a_Client, a_ServerAddress, a_ServerPort, a_State) +{ +} + + + + + +void cProtocol_1_9_2::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) +{ + cServer * Server = cRoot::Get()->GetServer(); + AString ServerDescription = Server->GetDescription(); + int NumPlayers = Server->GetNumPlayers(); + int MaxPlayers = Server->GetMaxPlayers(); + AString Favicon = Server->GetFaviconData(); + cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon); + + // Version: + Json::Value Version; + Version["name"] = "Cuberite 1.9.2"; + Version["protocol"] = 109; + + // Players: + Json::Value Players; + Players["online"] = NumPlayers; + Players["max"] = MaxPlayers; + // TODO: Add "sample" + + // Description: + Json::Value Description; + Description["text"] = ServerDescription.c_str(); + + // Create the response: + Json::Value ResponseValue; + ResponseValue["version"] = Version; + ResponseValue["players"] = Players; + ResponseValue["description"] = Description; + if (!Favicon.empty()) + { + ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str()); + } + + Json::StyledWriter Writer; + AString Response = Writer.write(ResponseValue); + + cPacketizer Pkt(*this, 0x00); // Response packet + Pkt.WriteString(Response); +} + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cProtocol_1_9_4: + +cProtocol_1_9_4::cProtocol_1_9_4(cClientHandle * a_Client, const AString &a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) : + super(a_Client, a_ServerAddress, a_ServerPort, a_State) +{ +} + + + + + +void cProtocol_1_9_4::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) +{ + cServer * Server = cRoot::Get()->GetServer(); + AString ServerDescription = Server->GetDescription(); + int NumPlayers = Server->GetNumPlayers(); + int MaxPlayers = Server->GetMaxPlayers(); + AString Favicon = Server->GetFaviconData(); + cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon); + + // Version: + Json::Value Version; + Version["name"] = "Cuberite 1.9.4"; + Version["protocol"] = 110; + + // Players: + Json::Value Players; + Players["online"] = NumPlayers; + Players["max"] = MaxPlayers; + // TODO: Add "sample" + + // Description: + Json::Value Description; + Description["text"] = ServerDescription.c_str(); + + // Create the response: + Json::Value ResponseValue; + ResponseValue["version"] = Version; + ResponseValue["players"] = Players; + ResponseValue["description"] = Description; + if (!Favicon.empty()) + { + ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str()); + } + + Json::StyledWriter Writer; + AString Response = Writer.write(ResponseValue); + + cPacketizer Pkt(*this, 0x00); // Response packet + Pkt.WriteString(Response); +} + + + + + +void cProtocol_1_9_4::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player, int a_Count) +{ + UNUSED(a_Count); + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x48); // Collect Item packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteVarInt32(a_Player.GetUniqueID()); +} + + + + + +void cProtocol_1_9_4::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) +{ + ASSERT(m_State == 3); // In game mode? + + // Serialize first, before creating the Packetizer (the packetizer locks a CS) + // This contains the flags and bitmasks, too + const AString & ChunkData = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_9_4, a_ChunkX, a_ChunkZ); + + cCSLock Lock(m_CSPacket); + SendData(ChunkData.data(), ChunkData.size()); +} + + + + + +void cProtocol_1_9_4::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x4b); // Entity Effect packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID)); + Pkt.WriteBEUInt8(static_cast<UInt8>(a_Amplifier)); + Pkt.WriteVarInt32(static_cast<UInt32>(a_Duration)); + Pkt.WriteBool(false); // Hide particles +} + + + + + +void cProtocol_1_9_4::SendEntityProperties(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + + cPacketizer Pkt(*this, 0x4a); // Entity Properties packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + WriteEntityProperties(Pkt, a_Entity); +} + + + + + +void cProtocol_1_9_4::SendPlayerMaxSpeed(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x4a); // Entity Properties + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteVarInt32(Player->GetUniqueID()); + Pkt.WriteBEInt32(1); // Count + Pkt.WriteString("generic.movementSpeed"); + // The default game speed is 0.1, multiply that value by the relative speed: + Pkt.WriteBEDouble(0.1 * Player->GetNormalMaxSpeed()); + if (Player->IsSprinting()) + { + Pkt.WriteVarInt32(1); // Modifier count + Pkt.WriteBEUInt64(0x662a6b8dda3e4c1c); + Pkt.WriteBEUInt64(0x881396ea6097278d); // UUID of the modifier + Pkt.WriteBEDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed()); + Pkt.WriteBEUInt8(2); + } + else + { + Pkt.WriteVarInt32(0); // Modifier count + } +} + + + + + +void cProtocol_1_9_4::SendTeleportEntity(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x49); // Entity teleport packet + Pkt.WriteVarInt32(a_Entity.GetUniqueID()); + Pkt.WriteBEDouble(a_Entity.GetPosX()); + Pkt.WriteBEDouble(a_Entity.GetPosY()); + Pkt.WriteBEDouble(a_Entity.GetPosZ()); + Pkt.WriteByteAngle(a_Entity.GetYaw()); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteBool(a_Entity.IsOnGround()); +} + + + + + +void cProtocol_1_9_4::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) +{ + ASSERT(m_State == 3); // In game mode? + + // 1.9.4 removed the update sign packet and now uses Update Block Entity + cPacketizer Pkt(*this, 0x09); // Update tile entity packet + Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ); + Pkt.WriteBEUInt8(9); // Action 9 - update sign + + cFastNBTWriter Writer; + Writer.AddInt("x", a_BlockX); + Writer.AddInt("y", a_BlockY); + Writer.AddInt("z", a_BlockZ); + Writer.AddString("id", "Sign"); + + Json::StyledWriter JsonWriter; + Json::Value Line1; + Line1["text"] = a_Line1; + Writer.AddString("Text1", JsonWriter.write(Line1)); + Json::Value Line2; + Line2["text"] = a_Line2; + Writer.AddString("Text2", JsonWriter.write(Line2)); + Json::Value Line3; + Line3["text"] = a_Line3; + Writer.AddString("Text3", JsonWriter.write(Line3)); + Json::Value Line4; + Line4["text"] = a_Line4; + Writer.AddString("Text4", JsonWriter.write(Line4)); + + Writer.Finish(); + Pkt.WriteBuf(Writer.GetResult().data(), Writer.GetResult().size()); +} |