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Diffstat (limited to 'src/Protocol/Protocol17x.cpp')
| -rw-r--r-- | src/Protocol/Protocol17x.cpp | 3305 |
1 files changed, 0 insertions, 3305 deletions
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp deleted file mode 100644 index 843675333..000000000 --- a/src/Protocol/Protocol17x.cpp +++ /dev/null @@ -1,3305 +0,0 @@ - -// Protocol17x.cpp - -/* -Implements the 1.7.x protocol classes: - - cProtocol172 - - release 1.7.2 protocol (#4) - - cProtocol176 - - release 1.7.6 protocol (#5) -*/ - -#include "Globals.h" -#include "json/json.h" -#include "Protocol17x.h" -#include "ChunkDataSerializer.h" -#include "PolarSSL++/Sha1Checksum.h" -#include "Packetizer.h" - -#include "../ClientHandle.h" -#include "../Root.h" -#include "../Server.h" -#include "../World.h" -#include "../StringCompression.h" -#include "../CompositeChat.h" -#include "../Statistics.h" - -#include "../WorldStorage/FastNBT.h" -#include "../WorldStorage/EnchantmentSerializer.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 "../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... - - - - - -// fwd: main.cpp: -extern bool g_ShouldLogCommIn, g_ShouldLogCommOut; - - - - - -//////////////////////////////////////////////////////////////////////////////// -// cProtocol172: - -cProtocol172::cProtocol172(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), - m_LastSentDimension(dimNotSet) -{ - // 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 FileName = Printf("CommLogs/%x_%d__%s.log", static_cast<unsigned>(time(nullptr)), sCounter++, a_Client->GetIPString().c_str()); - m_CommLogFile.Open(FileName, cFile::fmWrite); - } -} - - - - - -void cProtocol172::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 cProtocol172::SendAttachEntity(const cEntity & a_Entity, const cEntity & a_Vehicle) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x1b); // Attach Entity packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEUInt32(a_Vehicle.GetUniqueID()); - Pkt.WriteBool(false); -} - - - - - -void cProtocol172::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, 0x24); // Block Action packet - Pkt.WriteBEInt32(a_BlockX); - Pkt.WriteBEInt16(static_cast<Int16>(a_BlockY)); - Pkt.WriteBEInt32(a_BlockZ); - Pkt.WriteBEInt8(a_Byte1); - Pkt.WriteBEInt8(a_Byte2); - Pkt.WriteVarInt32(a_BlockType); -} - - - - - -void cProtocol172::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, 0x25); // Block Break Animation packet - Pkt.WriteVarInt32(a_EntityID); - Pkt.WriteBEInt32(a_BlockX); - Pkt.WriteBEInt32(a_BlockY); - Pkt.WriteBEInt32(a_BlockZ); - Pkt.WriteBEInt8(a_Stage); -} - - - - - -void cProtocol172::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) -{ - ASSERT(m_State == 3); // In game mode? - ASSERT((a_BlockY >= 0) && (a_BlockY < 256)); - - cPacketizer Pkt(*this, 0x23); // Block Change packet - Pkt.WriteBEInt32(a_BlockX); - Pkt.WriteBEUInt8(static_cast<UInt8>(a_BlockY)); - Pkt.WriteBEInt32(a_BlockZ); - Pkt.WriteVarInt32(a_BlockType); - Pkt.WriteBEUInt8(a_BlockMeta); -} - - - - - -void cProtocol172::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x22); // Multi Block Change packet - Pkt.WriteBEInt32(a_ChunkX); - Pkt.WriteBEInt32(a_ChunkZ); - Pkt.WriteBEUInt16(static_cast<UInt16>(a_Changes.size())); - Pkt.WriteBEUInt32(static_cast<UInt32>(a_Changes.size() * 4)); - for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr) - { - int Coords = itr->m_RelY | (itr->m_RelZ << 8) | (itr->m_RelX << 12); - int Blocks = static_cast<int>(itr->m_BlockMeta | (itr->m_BlockType << 4)); - Pkt.WriteBEInt32((Coords << 16) | Blocks); - } // for itr - a_Changes[] -} - - - - - -void cProtocol172::SendChat(const AString & a_Message, eChatType a_Type) -{ - ASSERT(m_State == 3); // In game mode? - - if (a_Type != ctChatBox) // 1.7.2 doesn't support anything else - { - return; - } - - cPacketizer Pkt(*this, 0x02); // Chat Message packet - Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str())); -} - - - - - -void cProtocol172::SendChat(const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes) -{ - ASSERT(m_State == 3); // In game mode? - - if (a_Type != ctChatBox) // 1.7.2 doesn't support anything else - { - return; - } - - // Send the message to the client: - cPacketizer Pkt(*this, 0x02); - Pkt.WriteString(a_Message.CreateJsonString(a_ShouldUseChatPrefixes)); -} - - - - - -void cProtocol172::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_3_2, a_ChunkX, a_ChunkZ); - - cPacketizer Pkt(*this, 0x21); // Chunk Data packet - Pkt.WriteBEInt32(a_ChunkX); - Pkt.WriteBEInt32(a_ChunkZ); - Pkt.WriteBuf(ChunkData.data(), ChunkData.size()); -} - - - - - -void cProtocol172::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x0d); // Collect Item packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEUInt32(a_Player.GetUniqueID()); -} - - - - - -void cProtocol172::SendDestroyEntity(const cEntity & a_Entity) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x13); // Destroy Entities packet - Pkt.WriteBEUInt8(1); - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); -} - - - - - -void cProtocol172::SendDetachEntity(const cEntity & a_Entity, const cEntity & a_PreviousVehicle) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x1b); // Attach Entity packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEUInt32(0); - Pkt.WriteBool(false); -} - - - - - -void cProtocol172::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, 0x40); - Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str())); - break; - } - } -} - - - - - -void cProtocol172::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x36); // Sign Editor Open packet - Pkt.WriteBEInt32(a_BlockX); - Pkt.WriteBEInt32(a_BlockY); - Pkt.WriteBEInt32(a_BlockZ); -} - - - - - -void cProtocol172::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) -{ - ASSERT(m_State == 3); // In game mode? - ASSERT((a_EffectID >= 0) && (a_EffectID < 256)); - ASSERT((a_Amplifier >= 0) && (a_Amplifier < 256)); - - cPacketizer Pkt(*this, 0x1D); // Entity Effect packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEUInt8(static_cast<Byte>(a_EffectID)); - Pkt.WriteBEUInt8(static_cast<Byte>(a_Amplifier)); - Pkt.WriteBEInt16(a_Duration); -} - - - - - -void cProtocol172::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x04); // Entity Equipment packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEInt16(a_SlotNum); - WriteItem(Pkt, a_Item); -} - - - - - -void cProtocol172::SendEntityHeadLook(const cEntity & a_Entity) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x19); // Entity Head Look packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteByteAngle(a_Entity.GetHeadYaw()); -} - - - - - -void cProtocol172::SendEntityLook(const cEntity & a_Entity) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x16); // Entity Look packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteByteAngle(a_Entity.GetYaw()); - Pkt.WriteByteAngle(a_Entity.GetPitch()); -} - - - - - -void cProtocol172::SendEntityMetadata(const cEntity & a_Entity) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - WriteEntityMetadata(Pkt, a_Entity); - Pkt.WriteBEUInt8(0x7f); // The termination byte -} - - - - - -void cProtocol172::SendEntityProperties(const cEntity & a_Entity) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x20); // Entity Properties packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - WriteEntityProperties(Pkt, a_Entity); -} - - - - - -void cProtocol172::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x15); // Entity Relative Move packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEInt8(a_RelX); - Pkt.WriteBEInt8(a_RelY); - Pkt.WriteBEInt8(a_RelZ); -} - - - - - -void cProtocol172::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x17); // Entity Look And Relative Move packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEInt8(a_RelX); - Pkt.WriteBEInt8(a_RelY); - Pkt.WriteBEInt8(a_RelZ); - Pkt.WriteByteAngle(a_Entity.GetYaw()); - Pkt.WriteByteAngle(a_Entity.GetPitch()); -} - - - - - -void cProtocol172::SendEntityStatus(const cEntity & a_Entity, char a_Status) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x1a); // Entity Status packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEInt8(a_Status); -} - - - - - -void cProtocol172::SendEntityVelocity(const cEntity & a_Entity) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x12); // Entity Velocity packet - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - // 400 = 8000 / 20 ... Conversion from our speed in m / s to 8000 m / tick - Pkt.WriteBEInt16(static_cast<short>(a_Entity.GetSpeedX() * 400)); - Pkt.WriteBEInt16(static_cast<short>(a_Entity.GetSpeedY() * 400)); - Pkt.WriteBEInt16(static_cast<short>(a_Entity.GetSpeedZ() * 400)); -} - - - - - -void cProtocol172::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, 0x27); // 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 cProtocol172::SendGameMode(eGameMode a_GameMode) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x2b); // 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 cProtocol172::SendHealth(void) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x06); // Update Health packet - cPlayer * Player = m_Client->GetPlayer(); - Pkt.WriteBEFloat(static_cast<float>(Player->GetHealth())); - Pkt.WriteBEInt16(static_cast<short>(Player->GetFoodLevel())); - Pkt.WriteBEFloat(static_cast<float>(Player->GetFoodSaturationLevel())); -} - - - - - -void cProtocol172::SendHideTitle(void) -{ - // Not implemented in this protocol version -} - - - - - -void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x2f); // Set Slot packet - Pkt.WriteBEInt8(a_WindowID); - Pkt.WriteBEInt16(a_SlotNum); - WriteItem(Pkt, a_Item); -} - - - - - -void cProtocol172::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, 0x00); // Keep Alive packet - Pkt.WriteBEUInt32(a_PingID); -} - - - - - -void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World) -{ - // Send the Join Game packet: - { - cServer * Server = cRoot::Get()->GetServer(); - cPacketizer Pkt(*this, 0x01); // Join Game packet - Pkt.WriteBEUInt32(a_Player.GetUniqueID()); - Pkt.WriteBEUInt8(static_cast<Byte>(a_Player.GetEffectiveGameMode()) | (Server->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4 - Pkt.WriteBEInt8(static_cast<char>(a_World.GetDimension())); - Pkt.WriteBEUInt8(2); // TODO: Difficulty (set to Normal) - Pkt.WriteBEUInt8(static_cast<Byte>(std::min(Server->GetMaxPlayers(), 60))); - Pkt.WriteString("default"); // Level type - wtf? - } - m_LastSentDimension = a_World.GetDimension(); - - // Send the spawn position: - { - cPacketizer Pkt(*this, 0x05); // Spawn Position packet - Pkt.WriteBEInt32(static_cast<int>(a_World.GetSpawnX())); - Pkt.WriteBEInt32(static_cast<int>(a_World.GetSpawnY())); - Pkt.WriteBEInt32(static_cast<int>(a_World.GetSpawnZ())); - } - - // Send player abilities: - SendPlayerAbilities(); -} - - - - -void cProtocol172::SendLoginSuccess(void) -{ - ASSERT(m_State == 2); // State: login? - - { - cPacketizer Pkt(*this, 0x02); // Login success packet - Pkt.WriteString(cMojangAPI::MakeUUIDDashed(m_Client->GetUUID())); - Pkt.WriteString(m_Client->GetUsername()); - } - - m_State = 3; // State = Game -} - - - - - -void cProtocol172::SendPaintingSpawn(const cPainting & a_Painting) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x10); // Spawn Painting packet - Pkt.WriteVarInt32(a_Painting.GetUniqueID()); - Pkt.WriteString(a_Painting.GetName().c_str()); - Pkt.WriteBEInt32(static_cast<int>(a_Painting.GetPosX())); - Pkt.WriteBEInt32(static_cast<int>(a_Painting.GetPosY())); - Pkt.WriteBEInt32(static_cast<int>(a_Painting.GetPosZ())); - Pkt.WriteBEInt32(a_Painting.GetProtocolFacing()); -} - - - - - -void cProtocol172::SendMapData(const cMap & a_Map, int a_DataStartX, int a_DataStartY) -{ - ASSERT(m_State == 3); // In game mode? - - { - ASSERT(a_Map.GetScale() < 256); - - cPacketizer Pkt(*this, 0x34); - Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetID())); - Pkt.WriteBEUInt16(2); - - Pkt.WriteBEUInt8(2); - Pkt.WriteBEUInt8(static_cast<Byte>(a_Map.GetScale())); - } - - { - ASSERT(a_Map.GetData().size() + 3 <= USHRT_MAX); - ASSERT((a_DataStartX >= 0) && (a_DataStartX < 256)); - ASSERT((a_DataStartY >= 0) && (a_DataStartY < 256)); - - cPacketizer Pkt(*this, 0x34); - Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetID())); - Pkt.WriteBEUInt16(static_cast<UInt16>(3 + a_Map.GetData().size())); - - Pkt.WriteBEUInt8(0); - Pkt.WriteBEUInt8(static_cast<Byte>(a_DataStartX)); - Pkt.WriteBEUInt8(static_cast<Byte>(a_DataStartX)); - - Pkt.WriteBuf(reinterpret_cast<const char *>(a_Map.GetData().data()), a_Map.GetData().size()); - } - - { - ASSERT(1 + 3 * a_Map.GetDecorators().size() < USHRT_MAX); - - cPacketizer Pkt(*this, 0x34); - Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetID())); - Pkt.WriteBEUInt16(static_cast<UInt16>(1 + (3 * a_Map.GetDecorators().size()))); - - Pkt.WriteBEUInt8(1); - - for (const auto & Decorator : a_Map.GetDecorators()) - { - ASSERT(Decorator.GetPixelX() < 256); - ASSERT(Decorator.GetPixelZ() < 256); - Pkt.WriteBEUInt8(static_cast<Byte>((Decorator.GetRot() << 4) | static_cast<int>(Decorator.GetType()))); - Pkt.WriteBEUInt8(static_cast<Byte>(Decorator.GetPixelX())); - Pkt.WriteBEUInt8(static_cast<Byte>(Decorator.GetPixelZ())); - } - } -} - - - - - -void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup) -{ - ASSERT(m_State == 3); // In game mode? - - { - cPacketizer Pkt(*this, 0x0e); // Spawn Object packet - Pkt.WriteVarInt32(a_Pickup.GetUniqueID()); - Pkt.WriteBEUInt8(2); // Type = Pickup - Pkt.WriteFPInt(a_Pickup.GetPosX()); - Pkt.WriteFPInt(a_Pickup.GetPosY()); - Pkt.WriteFPInt(a_Pickup.GetPosZ()); - Pkt.WriteByteAngle(a_Pickup.GetYaw()); - Pkt.WriteByteAngle(a_Pickup.GetPitch()); - Pkt.WriteBEInt32(0); // No object data - } - { - cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet - Pkt.WriteBEUInt32(a_Pickup.GetUniqueID()); - Pkt.WriteBEUInt8((0x05 << 5) | 10); // Slot type + index 10 - WriteItem(Pkt, a_Pickup.GetItem()); - Pkt.WriteBEUInt8(0x7f); // End of metadata - } -} - - - - - -void cProtocol172::SendPlayerAbilities(void) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x39); // 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 cProtocol172::SendEntityAnimation(const cEntity & a_Entity, char a_Animation) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x0b); // Animation packet - Pkt.WriteVarInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEInt8(a_Animation); -} - - - - - -void cProtocol172::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? - - cPacketizer Pkt(*this, 0x2A); - Pkt.WriteString(a_ParticleName); - 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 cProtocol172::SendParticleEffect(const AString & a_ParticleName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data) -{ - // 1.72 doesn't support extra data - this->SendParticleEffect(a_ParticleName, a_Src.x, a_Src.y, a_Src.z, a_Offset.x, a_Offset.y, a_Offset.z, a_ParticleData, a_ParticleAmount); -} - - - - - -void cProtocol172::SendPlayerListAddPlayer(const cPlayer & a_Player) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x38); // Playerlist Item packet - Pkt.WriteString(a_Player.GetPlayerListName()); - Pkt.WriteBool(true); - Pkt.WriteBEInt16(a_Player.GetClientHandle()->GetPing()); -} - - - - - -void cProtocol172::SendPlayerListRemovePlayer(const cPlayer & a_Player) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x38); - Pkt.WriteString(a_Player.GetPlayerListName()); - Pkt.WriteBool(false); - Pkt.WriteBEInt16(0); -} - - - - - -void cProtocol172::SendPlayerListUpdateGameMode(const cPlayer & a_Player) -{ - // Not implemented in this protocol version - UNUSED(a_Player); -} - - - - - -void cProtocol172::SendPlayerListUpdatePing(const cPlayer & a_Player) -{ - // It is a simple add player packet in this protocol. - SendPlayerListAddPlayer(a_Player); -} - - - - - -void cProtocol172::SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName) -{ - // Not implemented in this protocol version - UNUSED(a_Player); - UNUSED(a_CustomName); -} - - - - - -void cProtocol172::SendPlayerMaxSpeed(void) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x20); // Entity Properties - cPlayer * Player = m_Client->GetPlayer(); - Pkt.WriteBEUInt32(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.WriteBEInt16(1); // Modifier count - Pkt.WriteBEUInt64(0x662a6b8dda3e4c1c); - Pkt.WriteBEUInt64(0x881396ea6097278d); // UUID of the modifier - Pkt.WriteBEDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed()); - Pkt.WriteBEUInt8(2); - } - else - { - Pkt.WriteBEInt16(0); // Modifier count - } -} - - - - - -void cProtocol172::SendPlayerMoveLook(void) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x08); // Player Position And Look packet - cPlayer * Player = m_Client->GetPlayer(); - Pkt.WriteBEDouble(Player->GetPosX()); - - // Protocol docs say this is PosY, but #323 says this is eye-pos - // Moreover, the "+ 0.001" is there because otherwise the player falls through the block they were standing on. - Pkt.WriteBEDouble(Player->GetStance() + 0.001); - - Pkt.WriteBEDouble(Player->GetPosZ()); - Pkt.WriteBEFloat(static_cast<float>(Player->GetYaw())); - Pkt.WriteBEFloat(static_cast<float>(Player->GetPitch())); - Pkt.WriteBool(Player->IsOnGround()); -} - - - - - -void cProtocol172::SendPlayerPosition(void) -{ - // There is no dedicated packet for this, send the whole thing: - SendPlayerMoveLook(); -} - - - - - -void cProtocol172::SendPlayerSpawn(const cPlayer & a_Player) -{ - ASSERT(m_State == 3); // In game mode? - - // Called to spawn another player for the client - cPacketizer Pkt(*this, 0x0c); // Spawn Player packet - Pkt.WriteVarInt32(a_Player.GetUniqueID()); - Pkt.WriteString(cMojangAPI::MakeUUIDDashed(a_Player.GetClientHandle()->GetUUID())); - if (a_Player.HasCustomName()) - { - Pkt.WriteString(a_Player.GetCustomName()); - } - else - { - Pkt.WriteString(a_Player.GetName()); - } - Pkt.WriteFPInt(a_Player.GetPosX()); - Pkt.WriteFPInt(a_Player.GetPosY()); - Pkt.WriteFPInt(a_Player.GetPosZ()); - Pkt.WriteByteAngle(a_Player.GetYaw()); - Pkt.WriteByteAngle(a_Player.GetPitch()); - short ItemType = a_Player.GetEquippedItem().IsEmpty() ? 0 : a_Player.GetEquippedItem().m_ItemType; - Pkt.WriteBEInt16(ItemType); - Pkt.WriteBEUInt8((3 << 5) | 6); // Metadata: float + index 6 - Pkt.WriteBEFloat(static_cast<float>(a_Player.GetHealth())); - Pkt.WriteBEUInt8(0x7f); // Metadata: end -} - - - - - -void cProtocol172::SendPluginMessage(const AString & a_Channel, const AString & a_Message) -{ - ASSERT(m_State == 3); // In game mode? - ASSERT(a_Message.size() <= std::numeric_limits<UInt16>::max()); - - cPacketizer Pkt(*this, 0x3f); - Pkt.WriteString(a_Channel); - Pkt.WriteBEUInt16(static_cast<UInt16>(a_Message.size())); - Pkt.WriteBuf(a_Message.data(), a_Message.size()); -} - - - - - -void cProtocol172::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID) -{ - ASSERT(m_State == 3); // In game mode? - ASSERT((a_EffectID >= 0) && (a_EffectID < 256)); - - cPacketizer Pkt(*this, 0x1e); - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEUInt8(static_cast<Byte>(a_EffectID)); -} - - - - - -void cProtocol172::SendResetTitle(void) -{ - // Not implemented in this protocol version -} - - - - - -void cProtocol172::SendRespawn(eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) -{ - if ((m_LastSentDimension == a_Dimension) && !a_ShouldIgnoreDimensionChecks) - { - // Must not send a respawn for the world with the same dimension, the client goes cuckoo if we do (unless we are respawning from death) - return; - } - - cPacketizer Pkt(*this, 0x07); // Respawn packet - cPlayer * Player = m_Client->GetPlayer(); - Pkt.WriteBEInt32(static_cast<int>(a_Dimension)); - Pkt.WriteBEUInt8(2); // TODO: Difficulty (set to Normal) - Pkt.WriteBEUInt8(static_cast<Byte>(Player->GetEffectiveGameMode())); - Pkt.WriteString("default"); - m_LastSentDimension = a_Dimension; -} - - - - - -void cProtocol172::SendExperience (void) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x1f); // Experience Packet - cPlayer * Player = m_Client->GetPlayer(); - Pkt.WriteBEFloat(Player->GetXpPercentage()); - Pkt.WriteBEInt16(static_cast<Int16>(std::min<int>(Player->GetXpLevel(), std::numeric_limits<Int16>::max()))); - Pkt.WriteBEInt16(static_cast<Int16>(std::min<int>(Player->GetCurrentXp(), std::numeric_limits<Int16>::max()))); -} - - - - - -void cProtocol172::SendExperienceOrb(const cExpOrb & a_ExpOrb) -{ - ASSERT(m_State == 3); // In game mode? - ASSERT((a_ExpOrb.GetReward() >= 0) && (a_ExpOrb.GetReward() < SHRT_MAX)); - - cPacketizer Pkt(*this, 0x11); - Pkt.WriteVarInt32(a_ExpOrb.GetUniqueID()); - Pkt.WriteFPInt(a_ExpOrb.GetPosX()); - Pkt.WriteFPInt(a_ExpOrb.GetPosY()); - Pkt.WriteFPInt(a_ExpOrb.GetPosZ()); - Pkt.WriteBEInt16(static_cast<short>(a_ExpOrb.GetReward())); -} - - - - - -void cProtocol172::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x3b); - Pkt.WriteString(a_Name); - Pkt.WriteString(a_DisplayName); - Pkt.WriteBEUInt8(a_Mode); -} - - - - - -void cProtocol172::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, 0x3c); - Pkt.WriteString(a_Player); - Pkt.WriteBEUInt8(a_Mode); - - if (a_Mode != 1) - { - Pkt.WriteString(a_Objective); - Pkt.WriteBEInt32(static_cast<int>(a_Score)); - } -} - - - - - -void cProtocol172::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x3d); - Pkt.WriteBEUInt8(static_cast<Byte>(a_Display)); - Pkt.WriteString(a_Objective); -} - - - - - -void cProtocol172::SendSetSubTitle(const cCompositeChat & a_SubTitle) -{ - // Not implemented in this protocol version -} - - - - - -void cProtocol172::SendSetRawSubTitle(const AString & a_SubTitle) -{ - // Not implemented in this protocol version -} - - - - - -void cProtocol172::SendSetTitle(const cCompositeChat & a_Title) -{ - // Not implemented in this protocol version -} - - - - - -void cProtocol172::SendSetRawTitle(const AString & a_Title) -{ - // Not implemented in this protocol version -} - - - - - -void cProtocol172::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, 0x29); // Sound Effect packet - Pkt.WriteString(a_SoundName); - Pkt.WriteBEInt32(static_cast<int>(a_X * 8.0)); - Pkt.WriteBEInt32(static_cast<int>(a_Y * 8.0)); - Pkt.WriteBEInt32(static_cast<int>(a_Z * 8.0)); - Pkt.WriteBEFloat(a_Volume); - Pkt.WriteBEUInt8(static_cast<Byte>(a_Pitch * 63)); -} - - - - - -void cProtocol172::SendSoundParticleEffect(const EffectID a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) -{ - ASSERT(m_State == 3); // In game mode? - ASSERT((a_SrcY >= 0) && (a_SrcY < 256)); - - cPacketizer Pkt(*this, 0x28); // Effect packet - Pkt.WriteBEInt32(static_cast<int>(a_EffectID)); - Pkt.WriteBEInt32(a_SrcX); - Pkt.WriteBEUInt8(static_cast<Byte>(a_SrcY)); - Pkt.WriteBEInt32(a_SrcZ); - Pkt.WriteBEInt32(a_Data); - Pkt.WriteBool(false); -} - - - - - -void cProtocol172::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x0e); // Spawn Object packet - Pkt.WriteVarInt32(a_FallingBlock.GetUniqueID()); - Pkt.WriteBEUInt8(70); // Falling block - Pkt.WriteFPInt(a_FallingBlock.GetPosX()); - Pkt.WriteFPInt(a_FallingBlock.GetPosY()); - Pkt.WriteFPInt(a_FallingBlock.GetPosZ()); - Pkt.WriteByteAngle(a_FallingBlock.GetYaw()); - Pkt.WriteByteAngle(a_FallingBlock.GetPitch()); - Pkt.WriteBEInt32((static_cast<int>(a_FallingBlock.GetBlockType()) | ((static_cast<int>(a_FallingBlock.GetBlockMeta()) << 16)))); - Pkt.WriteBEInt16(static_cast<short>(a_FallingBlock.GetSpeedX() * 400)); - Pkt.WriteBEInt16(static_cast<short>(a_FallingBlock.GetSpeedY() * 400)); - Pkt.WriteBEInt16(static_cast<short>(a_FallingBlock.GetSpeedZ() * 400)); -} - - - - - -void cProtocol172::SendSpawnMob(const cMonster & a_Mob) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x0f); // Spawn Mob packet - Pkt.WriteVarInt32(a_Mob.GetUniqueID()); - Pkt.WriteBEUInt8(static_cast<Byte>(a_Mob.GetMobType())); - Pkt.WriteFPInt(a_Mob.GetPosX()); - Pkt.WriteFPInt(a_Mob.GetPosY()); - Pkt.WriteFPInt(a_Mob.GetPosZ()); - Pkt.WriteByteAngle(a_Mob.GetPitch()); - Pkt.WriteByteAngle(a_Mob.GetHeadYaw()); - Pkt.WriteByteAngle(a_Mob.GetYaw()); - Pkt.WriteBEInt16(static_cast<short>(a_Mob.GetSpeedX() * 400)); - Pkt.WriteBEInt16(static_cast<short>(a_Mob.GetSpeedY() * 400)); - Pkt.WriteBEInt16(static_cast<short>(a_Mob.GetSpeedZ() * 400)); - WriteEntityMetadata(Pkt, a_Mob); - Pkt.WriteBEUInt8(0x7f); // Metadata terminator -} - - - - - -void cProtocol172::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0xe); // Spawn Object packet - Pkt.WriteVarInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEInt8(a_ObjectType); - Pkt.WriteFPInt(a_Entity.GetPosX()); - Pkt.WriteFPInt(a_Entity.GetPosY()); - Pkt.WriteFPInt(a_Entity.GetPosZ()); - Pkt.WriteByteAngle(a_Entity.GetPitch()); - Pkt.WriteByteAngle(a_Entity.GetYaw()); - Pkt.WriteBEInt32(a_ObjectData); - if (a_ObjectData != 0) - { - Pkt.WriteBEInt16(static_cast<short>(a_Entity.GetSpeedX() * 400)); - Pkt.WriteBEInt16(static_cast<short>(a_Entity.GetSpeedY() * 400)); - Pkt.WriteBEInt16(static_cast<short>(a_Entity.GetSpeedZ() * 400)); - } -} - - - - - -void cProtocol172::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0xe); // Spawn Object packet - Pkt.WriteVarInt32(a_Vehicle.GetUniqueID()); - Pkt.WriteBEInt8(a_VehicleType); - Pkt.WriteFPInt(a_Vehicle.GetPosX()); - Pkt.WriteFPInt(a_Vehicle.GetPosY()); - Pkt.WriteFPInt(a_Vehicle.GetPosZ()); - Pkt.WriteByteAngle(a_Vehicle.GetPitch()); - Pkt.WriteByteAngle(a_Vehicle.GetYaw()); - Pkt.WriteBEInt32(a_VehicleSubType); - if (a_VehicleSubType != 0) - { - 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 cProtocol172::SendStatistics(const cStatManager & a_Manager) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x37); - 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 cProtocol172::SendTabCompletionResults(const AStringVector & a_Results) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x3a); // 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 cProtocol172::SendTeleportEntity(const cEntity & a_Entity) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x18); - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteFPInt(a_Entity.GetPosX()); - Pkt.WriteFPInt(a_Entity.GetPosY()); - Pkt.WriteFPInt(a_Entity.GetPosZ()); - Pkt.WriteByteAngle(a_Entity.GetYaw()); - Pkt.WriteByteAngle(a_Entity.GetPitch()); -} - - - - - -void cProtocol172::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x2c); // Spawn Global Entity packet - Pkt.WriteVarInt32(0); // EntityID = 0, always - Pkt.WriteBEUInt8(1); // Type = Thunderbolt - Pkt.WriteFPInt(a_BlockX); - Pkt.WriteFPInt(a_BlockY); - Pkt.WriteFPInt(a_BlockZ); -} - - - - - -void cProtocol172::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) -{ - // Not implemented in this protocol version -} - - - - - -void cProtocol172::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, 0x03); - Pkt.WriteBEInt64(a_WorldAge); - Pkt.WriteBEInt64(a_TimeOfDay); -} - - - - - -void cProtocol172::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x21); // Chunk Data packet - Pkt.WriteBEInt32(a_ChunkX); - Pkt.WriteBEInt32(a_ChunkZ); - Pkt.WriteBool(true); - Pkt.WriteBEInt16(0); // Primary bitmap - Pkt.WriteBEInt16(0); // Add bitmap - Pkt.WriteBEInt32(0); // Compressed data size -} - - - - -void cProtocol172::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x35); // Update tile entity packet - Pkt.WriteBEInt32(a_BlockEntity.GetPosX()); - Pkt.WriteBEInt16(static_cast<short>(a_BlockEntity.GetPosY())); - Pkt.WriteBEInt32(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 cProtocol172::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? - ASSERT((a_BlockY >= 0) && (a_BlockY < cChunkDef::Height)); - - cPacketizer Pkt(*this, 0x33); - Pkt.WriteBEInt32(a_BlockX); - Pkt.WriteBEInt16(static_cast<Int16>(a_BlockY)); - Pkt.WriteBEInt32(a_BlockZ); - // Need to send only up to 15 chars, otherwise the client crashes (#598) - Pkt.WriteString(a_Line1.substr(0, 15)); - Pkt.WriteString(a_Line2.substr(0, 15)); - Pkt.WriteString(a_Line3.substr(0, 15)); - Pkt.WriteString(a_Line4.substr(0, 15)); -} - - - - - -void cProtocol172::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) -{ - ASSERT(m_State == 3); // In game mode? - ASSERT((a_BlockY >= 0) && (a_BlockY < cChunkDef::Height)); - - cPacketizer Pkt(*this, 0x0a); - Pkt.WriteBEUInt32(a_Entity.GetUniqueID()); - Pkt.WriteBEInt32(a_BlockX); - Pkt.WriteBEUInt8(static_cast<Byte>(a_BlockY)); - Pkt.WriteBEInt32(a_BlockZ); -} - - - - - -void cProtocol172::SendWeather(eWeather a_Weather) -{ - ASSERT(m_State == 3); // In game mode? - - { - cPacketizer Pkt(*this, 0x2b); // 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 cProtocol172::SendWholeInventory(const cWindow & a_Window) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x30); // Window Items packet - Pkt.WriteBEInt8(a_Window.GetWindowID()); - Pkt.WriteBEInt16(static_cast<short>(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 cProtocol172::SendWindowClose(const cWindow & a_Window) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x2e); - Pkt.WriteBEInt8(a_Window.GetWindowID()); -} - - - - - -void cProtocol172::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, 0x2d); - Pkt.WriteBEInt8(a_Window.GetWindowID()); - Pkt.WriteBEInt8(static_cast<char>(a_Window.GetWindowType())); - Pkt.WriteString(a_Window.GetWindowTitle()); - Pkt.WriteBEInt8(static_cast<char>(a_Window.GetNumNonInventorySlots())); - Pkt.WriteBool(true); - if (a_Window.GetWindowType() == cWindow::wtAnimalChest) - { - Pkt.WriteBEInt32(0); // TODO: The animal's EntityID - } -} - - - - - -void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value) -{ - ASSERT(m_State == 3); // In game mode? - - cPacketizer Pkt(*this, 0x31); // Window Property packet - Pkt.WriteBEInt8(a_Window.GetWindowID()); - Pkt.WriteBEInt16(a_Property); - Pkt.WriteBEInt16(a_Value); -} - - - - - -void cProtocol172::AddReceivedData(const char * a_Data, size_t a_Size) -{ - // Write the incoming data into the comm log file: - if (g_ShouldLogCommIn) - { - 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; - } - cByteBuffer bb(PacketLen + 1); - VERIFY(m_ReceivedData.ReadToByteBuffer(bb, static_cast<size_t>(PacketLen))); - 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) - { - 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("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.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n"); - } - - return; - } - - if (bb.GetReadableSpace() != 1) - { - // Read more or less than packet length, report as error - LOGWARNING("Protocol 1.7: 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.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)) - { - 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("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 cProtocol172::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: HandlePacketKeepAlive (a_ByteBuffer); return true; - case 0x01: HandlePacketChatMessage (a_ByteBuffer); return true; - case 0x02: HandlePacketUseEntity (a_ByteBuffer); return true; - case 0x03: HandlePacketPlayer (a_ByteBuffer); return true; - case 0x04: HandlePacketPlayerPos (a_ByteBuffer); return true; - case 0x05: HandlePacketPlayerLook (a_ByteBuffer); return true; - case 0x06: HandlePacketPlayerPosLook (a_ByteBuffer); return true; - case 0x07: HandlePacketBlockDig (a_ByteBuffer); return true; - case 0x08: HandlePacketBlockPlace (a_ByteBuffer); return true; - case 0x09: HandlePacketSlotSelect (a_ByteBuffer); return true; - case 0x0a: HandlePacketAnimation (a_ByteBuffer); return true; - case 0x0b: HandlePacketEntityAction (a_ByteBuffer); return true; - case 0x0c: HandlePacketSteerVehicle (a_ByteBuffer); return true; - case 0x0d: HandlePacketWindowClose (a_ByteBuffer); return true; - case 0x0e: HandlePacketWindowClick (a_ByteBuffer); return true; - case 0x0f: // Confirm transaction - not used in MCS - case 0x10: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true; - case 0x11: HandlePacketEnchantItem (a_ByteBuffer); return true; - case 0x12: HandlePacketUpdateSign (a_ByteBuffer); return true; - case 0x13: HandlePacketPlayerAbilities (a_ByteBuffer); return true; - case 0x14: HandlePacketTabComplete (a_ByteBuffer); return true; - case 0x15: HandlePacketClientSettings (a_ByteBuffer); return true; - case 0x16: HandlePacketClientStatus (a_ByteBuffer); return true; - case 0x17: HandlePacketPluginMessage (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 cProtocol172::HandlePacketStatusPing(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Timestamp); - - cPacketizer Pkt(*this, 0x01); // Ping packet - Pkt.WriteBEInt64(Timestamp); -} - - - - - -void cProtocol172::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 1.7.2"; - Version["protocol"] = 4; - - // 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 cProtocol172::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer) -{ - UInt16 EncKeyLength, EncNonceLength; - if (!a_ByteBuffer.ReadBEUInt16(EncKeyLength)) - { - return; - } - if (EncKeyLength > MAX_ENC_LEN) - { - LOGD("Invalid Encryption Key length: %u (0x%04x). Kicking client.", EncKeyLength, EncKeyLength); - m_Client->Kick("Invalid EncKeyLength"); - return; - } - AString EncKey; - if (!a_ByteBuffer.ReadString(EncKey, EncKeyLength)) - { - return; - } - if (!a_ByteBuffer.ReadBEUInt16(EncNonceLength)) - { - return; - } - if (EncNonceLength > MAX_ENC_LEN) - { - LOGD("Invalid Encryption Nonce length: %u (0x%04x). Kicking client.", EncNonceLength, EncNonceLength); - m_Client->Kick("Invalid EncNonceLength"); - return; - } - AString EncNonce; - if (!a_ByteBuffer.ReadString(EncNonce, EncNonceLength)) - { - return; - } - - // Decrypt EncNonce using privkey - cRsaPrivateKey & rsaDecryptor = cRoot::Get()->GetServer()->GetPrivateKey(); - UInt32 DecryptedNonce[MAX_ENC_LEN / sizeof(UInt32)]; - 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<UInt32>(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 cProtocol172::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.WriteBEUInt16(static_cast<UInt16>(PubKeyDer.size())); - Pkt.WriteBuf(PubKeyDer.data(), PubKeyDer.size()); - Pkt.WriteBEInt16(4); - Pkt.WriteBEUInt32(static_cast<UInt32>(reinterpret_cast<uintptr_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 cProtocol172::HandlePacketAnimation(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEUInt32, UInt32, EntityID); - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Animation); - m_Client->HandleAnimation(Animation); -} - - - - - -void cProtocol172::HandlePacketBlockDig(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Status); - HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockX); - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, BlockY); - HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockZ); - HANDLE_READ(a_ByteBuffer, ReadBEInt8, Int8, Face); - m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), Status); -} - - - - - -void cProtocol172::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockX); - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, BlockY); - HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockZ); - HANDLE_READ(a_ByteBuffer, ReadBEInt8, Int8, Face); - cItem Item; - ReadItem(a_ByteBuffer, Item); - - 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 cProtocol172::HandlePacketChatMessage(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Message); - m_Client->HandleChat(Message); -} - - - - - -void cProtocol172::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, ReadBEUInt8, UInt8, ChatColors); - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Difficulty); - HANDLE_READ(a_ByteBuffer, ReadBool, bool, ShowCape); - - m_Client->SetLocale(Locale); - m_Client->SetViewDistance(ViewDistance); - // TODO: Do anything with the other values. -} - - - - - -void cProtocol172::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 cProtocol172::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 < 0) ? caLeftClick : caLeftClickOutside); -} - - - - - -void cProtocol172::HandlePacketEntityAction(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEUInt32, UInt32, PlayerID); - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Action); - HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, JumpBoost); - - switch (Action) - { - case 1: m_Client->HandleEntityCrouch(PlayerID, true); break; // Crouch - case 2: m_Client->HandleEntityCrouch(PlayerID, false); break; // Uncrouch - case 3: m_Client->HandleEntityLeaveBed(PlayerID); break; // Leave Bed - case 4: m_Client->HandleEntitySprinting(PlayerID, true); break; // Start sprinting - case 5: m_Client->HandleEntitySprinting(PlayerID, false); break; // Stop sprinting - } -} - - - - - -void cProtocol172::HandlePacketKeepAlive(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEUInt32, UInt32, KeepAliveID); - m_Client->HandleKeepAlive(KeepAliveID); -} - - - - - -void cProtocol172::HandlePacketPlayer(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); - // TODO: m_Client->HandlePlayerOnGround(IsOnGround); -} - - - - - -void cProtocol172::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 flags bitfield into individual bool 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 cProtocol172::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 cProtocol172::HandlePacketPlayerPos(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX); - HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY); - HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, Stance); - HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ); - HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); - m_Client->HandlePlayerPos(PosX, PosY, PosZ, Stance, IsOnGround); -} - - - - - -void cProtocol172::HandlePacketPlayerPosLook(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX); - HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY); - HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, Stance); - 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, Stance, Yaw, Pitch, IsOnGround); -} - - - - - -void cProtocol172::HandlePacketPluginMessage(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Channel); - HANDLE_READ(a_ByteBuffer, ReadBEUInt16, UInt16, Length); - if (Length != a_ByteBuffer.GetReadableSpace() - 1) - { - LOGD("Invalid plugin message packet, payload length doesn't match packet length (exp %u, got %u)", - static_cast<unsigned>(a_ByteBuffer.GetReadableSpace() - 1), Length - ); - return; - } - - // If the plugin channel is recognized vanilla, handle it directly: - if (Channel.substr(0, 3) == "MC|") - { - HandleVanillaPluginMessage(a_ByteBuffer, Channel, Length); - return; - } - - // Read the plugin message and relay to clienthandle: - AString Data; - if (!a_ByteBuffer.ReadString(Data, Length)) - { - return; - } - m_Client->HandlePluginMessage(Channel, Data); -} - - - - - -void cProtocol172::HandlePacketSlotSelect(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum); - m_Client->HandleSlotSelected(SlotNum); -} - - - - - -void cProtocol172::HandlePacketSteerVehicle(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Forward); - HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Sideways); - HANDLE_READ(a_ByteBuffer, ReadBool, bool, ShouldJump); - HANDLE_READ(a_ByteBuffer, ReadBool, bool, ShouldUnmount); - if (ShouldUnmount) - { - m_Client->HandleUnmount(); - } - else - { - m_Client->HandleSteerVehicle(Forward, Sideways); - } -} - - - - - -void cProtocol172::HandlePacketTabComplete(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Text); - m_Client->HandleTabCompletion(Text); -} - - - - - -void cProtocol172::HandlePacketUpdateSign(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockX); - HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, BlockY); - HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockZ); - HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line1); - HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line2); - HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line3); - HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line4); - m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4); -} - - - - - -void cProtocol172::HandlePacketUseEntity(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEUInt32, UInt32, EntityID); - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, MouseButton); - m_Client->HandleUseEntity(EntityID, (MouseButton == 1)); -} - - - - - -void cProtocol172::HandlePacketEnchantItem(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID); - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Enchantment); - - m_Client->HandleEnchantItem(WindowID, Enchantment); -} - - - - - -void cProtocol172::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, ReadBEUInt8, UInt8, 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 cProtocol172::HandlePacketWindowClose(cByteBuffer & a_ByteBuffer) -{ - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID); - m_Client->HandleWindowClose(WindowID); -} - - - - - -void cProtocol172::HandleVanillaPluginMessage(cByteBuffer & a_ByteBuffer, const AString & a_Channel, UInt16 a_PayloadLength) -{ - if (a_Channel == "MC|AdvCdm") - { - size_t BeginningSpace = a_ByteBuffer.GetReadableSpace(); - HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Mode); - switch (Mode) - { - case 0x00: - { - // Block-based commandblock update: - 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; - } - - // TODO: Entity-based commandblock update - - default: - { - m_Client->SendChat(Printf("Failure setting command block command; unhandled mode %d", Mode), mtFailure); - LOG("Unhandled MC|AdvCdm packet mode."); - return; - } - } // switch (Mode) - - // Read the remainder of the packet (Vanilla sometimes sends bogus data at the end of the packet; #1692): - size_t BytesRead = BeginningSpace - a_ByteBuffer.GetReadableSpace(); - if (BytesRead < a_PayloadLength) - { - LOGD("Protocol 1.7: Skipping garbage data at the end of a vanilla MC|AdvCdm packet, %u bytes", - static_cast<unsigned>(a_PayloadLength - BytesRead) - ); - a_ByteBuffer.SkipRead(a_PayloadLength - BytesRead); - } - return; - } - else if (a_Channel == "MC|Brand") - { - // Read the client's brand: - AString Brand; - if (a_ByteBuffer.ReadString(Brand, a_PayloadLength)) - { - m_Client->SetClientBrand(Brand); - } - - // Send back our brand: - SendPluginMessage("MC|Brand", "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") - { - AString ItemName; - if (a_ByteBuffer.ReadString(ItemName, a_PayloadLength)) - { - 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_PayloadLength)); - m_Client->HandlePluginMessage(a_Channel, Message); -} - - - - - -void cProtocol172::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<const Byte *>(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); - } -} - - - - - -void cProtocol172::SendPacket(cPacketizer & a_Packet) -{ - AString DataToSend; - - // Send the packet length - UInt32 PacketLen = static_cast<UInt32>(m_OutPacketBuffer.GetUsedSpace()); - - m_OutPacketLenBuffer.WriteVarInt32(PacketLen); - m_OutPacketLenBuffer.ReadAll(DataToSend); - SendData(DataToSend.data(), DataToSend.size()); - m_OutPacketLenBuffer.CommitRead(); - - // Send the packet data: - m_OutPacketBuffer.ReadAll(DataToSend); - SendData(DataToSend.data(), DataToSend.size()); - m_OutPacketBuffer.CommitRead(); - - // Log the comm into logfile: - if (g_ShouldLogCommOut) - { - AString Hex; - ASSERT(DataToSend.size() > 0); - CreateHexDump(Hex, DataToSend.data(), DataToSend.size(), 16); - m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload (incl. type):\n%s\n", - a_Packet.GetPacketType(), a_Packet.GetPacketType(), PacketLen, PacketLen, m_State, Hex.c_str() - ); - } -} - - - - - -bool cProtocol172::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item) -{ - 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(); - } - - // Read the metadata - HANDLE_PACKET_READ(a_ByteBuffer, ReadBEUInt16, UInt16, MetadataLength); - AString Metadata; - if (!a_ByteBuffer.ReadString(Metadata, MetadataLength)) - { - return false; - } - - ParseItemMetadata(a_Item, Metadata); - return true; -} - - - - - -void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata) -{ - // Uncompress the GZIPped data: - AString Uncompressed; - if (UncompressStringGZIP(a_Metadata.data(), a_Metadata.size(), Uncompressed) != Z_OK) - { - AString HexDump; - CreateHexDump(HexDump, a_Metadata.data(), a_Metadata.size(), 16); - LOGWARNING("Cannot unGZIP item metadata (" SIZE_T_FMT " bytes):\n%s", a_Metadata.size(), HexDump.c_str()); - return; - } - - // Parse into NBT: - cParsedNBT NBT(Uncompressed.data(), Uncompressed.size()); - if (!NBT.IsValid()) - { - AString HexDump; - CreateHexDump(HexDump, Uncompressed.data(), Uncompressed.size(), 16); - LOGWARNING("Cannot parse NBT item metadata: (" SIZE_T_FMT " bytes)\n%s", Uncompressed.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)); - } - break; - } - case TAG_Int: - { - if (TagName == "RepairCost") - { - a_Item.m_RepairCost = NBT.GetInt(tag); - } - } - default: LOGD("Unimplemented NBT data when parsing!"); break; - } - } -} - - - - - -void cProtocol172::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 cProtocol172::FaceIntToBlockFace(Int8 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; - } -} - - - - - -void cProtocol172::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; - } - - a_Pkt.WriteBEInt16(ItemType); - a_Pkt.WriteBEInt8(a_Item.m_ItemCount); - a_Pkt.WriteBEInt16(a_Item.m_ItemDamage); - - if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty() && (a_Item.m_ItemType != E_ITEM_FIREWORK_ROCKET) && (a_Item.m_ItemType != E_ITEM_FIREWORK_STAR) && !a_Item.m_ItemColor.IsValid()) - { - a_Pkt.WriteBEInt16(-1); - 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<int>(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)); - } - Writer.Finish(); - - AString Compressed; - CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed); - a_Pkt.WriteBEUInt16(static_cast<UInt16>(Compressed.size())); - a_Pkt.WriteBuf(Compressed.data(), Compressed.size()); -} - - - - - -void cProtocol172::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 at '@'. - 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("ExtraType", MobHeadEntity.GetOwnerName()); - Writer.AddString("id", "Skull"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though - 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(); - - AString Compressed; - CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed); - a_Pkt.WriteBEUInt16(static_cast<UInt16>(Compressed.size())); - a_Pkt.WriteBuf(Compressed.data(), Compressed.size()); -} - - - - - -void cProtocol172::WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity) -{ - // Common metadata: - Byte 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); // Byte(0) + index 0 - a_Pkt.WriteBEUInt8(Flags); - - switch (a_Entity.GetEntityType()) - { - case cEntity::etPlayer: break; // TODO? - case cEntity::etPickup: - { - a_Pkt.WriteBEUInt8((5 << 5) | 10); // Slot(5) + index 10 - WriteItem(a_Pkt, reinterpret_cast<const cPickup &>(a_Entity).GetItem()); - break; - } - case cEntity::etMinecart: - { - a_Pkt.WriteBEUInt8(0x51); - - // The following expression makes Minecarts shake more with less health or higher damage taken - // It gets half the maximum health, and takes it away from the current health minus the half health: - /* - Health: 5 | 3 - (5 - 3) = 1 (shake power) - Health: 3 | 3 - (3 - 3) = 3 - Health: 1 | 3 - (1 - 3) = 5 - */ - auto & Minecart = reinterpret_cast<const cMinecart &>(a_Entity); - a_Pkt.WriteBEInt32((((a_Entity.GetMaxHealth() / 2) - (a_Entity.GetHealth() - (a_Entity.GetMaxHealth() / 2))) * Minecart.LastDamage()) * 4); - a_Pkt.WriteBEUInt8(0x52); - a_Pkt.WriteBEInt32(1); // Shaking direction, doesn't seem to affect anything - a_Pkt.WriteBEUInt8(0x73); - a_Pkt.WriteBEFloat(static_cast<float>(Minecart.LastDamage() + 10)); // Damage taken / shake effect multiplyer - - if (Minecart.GetPayload() == cMinecart::mpNone) - { - auto & RideableMinecart = reinterpret_cast<const cRideableMinecart &>(Minecart); - const cItem & MinecartContent = RideableMinecart.GetContent(); - if (!MinecartContent.IsEmpty()) - { - a_Pkt.WriteBEUInt8(0x54); - int Content = MinecartContent.m_ItemType; - Content |= MinecartContent.m_ItemDamage << 8; - a_Pkt.WriteBEInt32(Content); - a_Pkt.WriteBEUInt8(0x55); - a_Pkt.WriteBEInt32(RideableMinecart.GetBlockHeight()); - a_Pkt.WriteBEUInt8(0x56); - a_Pkt.WriteBEUInt8(1); - } - } - else if (Minecart.GetPayload() == cMinecart::mpFurnace) - { - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cMinecartWithFurnace &>(Minecart).IsFueled() ? 1 : 0); - } - break; - } // case etMinecart - - case cEntity::etProjectile: - { - auto & Projectile = reinterpret_cast<const cProjectileEntity &>(a_Entity); - switch (Projectile.GetProjectileKind()) - { - case cProjectileEntity::pkArrow: - { - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cArrowEntity &>(a_Entity).IsCritical() ? 1 : 0); - break; - } - case cProjectileEntity::pkFirework: - { - a_Pkt.WriteBEUInt8(0xa8); - WriteItem(a_Pkt, reinterpret_cast<const cFireworkEntity &>(a_Entity).GetItem()); - break; - } - default: break; - } - break; - } // case etProjectile - - case cEntity::etMonster: - { - WriteMobMetadata(a_Pkt, reinterpret_cast<const cMonster &>(a_Entity)); - break; - } // case etMonster - - case cEntity::etItemFrame: - { - auto & Frame = reinterpret_cast<const cItemFrame &>(a_Entity); - a_Pkt.WriteBEUInt8(0xa2); - WriteItem(a_Pkt, Frame.GetItem()); - a_Pkt.WriteBEUInt8(0x03); - a_Pkt.WriteBEUInt8(Frame.GetItemRotation() / 2); - break; - } // case etItemFrame - - default: - { - break; - } - } // switch (EntityType) -} - - - - - -void cProtocol172::WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob) -{ - // Living Enitiy Metadata - if (a_Mob.HasCustomName()) - { - a_Pkt.WriteBEUInt8(0x8a); - a_Pkt.WriteString(a_Mob.GetCustomName()); - - a_Pkt.WriteBEUInt8(0x0b); - a_Pkt.WriteBool(a_Mob.IsCustomNameAlwaysVisible()); - } - - a_Pkt.WriteBEUInt8(0x66); - a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth())); - - switch (a_Mob.GetMobType()) - { - case mtBat: - { - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cBat &>(a_Mob).IsHanging() ? 1 : 0); - break; - } // case mtBat - - case mtCreeper: - { - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cCreeper &>(a_Mob).IsBlowing() ? 1 : 255); - a_Pkt.WriteBEUInt8(0x11); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cCreeper &>(a_Mob).IsCharged() ? 1 : 0); - break; - } // case mtCreeper - - case mtEnderman: - { - auto & Enderman = reinterpret_cast<const cEnderman &>(a_Mob); - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(static_cast<UInt8>(Enderman.GetCarriedBlock())); - a_Pkt.WriteBEUInt8(0x11); - a_Pkt.WriteBEUInt8(static_cast<UInt8>(Enderman.GetCarriedMeta())); - a_Pkt.WriteBEUInt8(0x12); - a_Pkt.WriteBEUInt8(Enderman.IsScreaming() ? 1 : 0); - break; - } // case mtEnderman - - case mtGhast: - { - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cGhast &>(a_Mob).IsCharging()); - break; - } // case mtGhast - - case mtHorse: - { - auto & Horse = reinterpret_cast<const cHorse &>(a_Mob); - int Flags = 0; - if (Horse.IsTame()) - { - Flags |= 0x02; - } - if (Horse.IsSaddled()) - { - Flags |= 0x04; - } - if (Horse.IsChested()) - { - Flags |= 0x08; - } - if (Horse.IsBaby()) - { - Flags |= 0x10; - } - if (Horse.IsEating()) - { - Flags |= 0x20; - } - if (Horse.IsRearing()) - { - Flags |= 0x40; - } - if (Horse.IsMthOpen()) - { - Flags |= 0x80; - } - a_Pkt.WriteBEUInt8(0x50); // Int at index 16 - a_Pkt.WriteBEInt32(Flags); - a_Pkt.WriteBEUInt8(0x13); // Byte at index 19 - a_Pkt.WriteBEUInt8(static_cast<Byte>(Horse.GetHorseType())); - a_Pkt.WriteBEUInt8(0x54); // Int at index 20 - int Appearance = 0; - Appearance = Horse.GetHorseColor(); - Appearance |= Horse.GetHorseStyle() << 8; - a_Pkt.WriteBEInt32(Appearance); - a_Pkt.WriteBEUInt8(0x56); // Int at index 22 - a_Pkt.WriteBEInt32(Horse.GetHorseArmour()); - break; - } // case mtHorse - - case mtMagmaCube: - { - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(static_cast<Byte>(reinterpret_cast<const cMagmaCube &>(a_Mob).GetSize())); - break; - } // case mtMagmaCube - - case mtPig: - { - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cPig &>(a_Mob).IsSaddled() ? 1 : 0); - break; - } // case mtPig - - case mtSheep: - { - a_Pkt.WriteBEUInt8(0x10); - auto & Sheep = reinterpret_cast<const cSheep &>(a_Mob); - Byte SheepMetadata = static_cast<Byte>(Sheep.GetFurColor() & 0x0f); - if (Sheep.IsSheared()) - { - SheepMetadata |= 0x10; - } - a_Pkt.WriteBEUInt8(SheepMetadata); - break; - } // case mtSheep - - case mtSkeleton: - { - a_Pkt.WriteBEUInt8(0x0d); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cSkeleton &>(a_Mob).IsWither() ? 1 : 0); - break; - } // case mtSkeleton - - case mtSlime: - { - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(static_cast<Byte>(reinterpret_cast<const cSlime &>(a_Mob).GetSize())); - break; - } // case mtSlime - - case mtVillager: - { - a_Pkt.WriteBEUInt8(0x50); - a_Pkt.WriteBEInt32(reinterpret_cast<const cVillager &>(a_Mob).GetVilType()); - break; - } // case mtVillager - - case mtWitch: - { - a_Pkt.WriteBEUInt8(0x15); - a_Pkt.WriteBEUInt8(reinterpret_cast<const cWitch &>(a_Mob).IsAngry() ? 1 : 0); - break; - } // case mtWitch - - case mtWither: - { - a_Pkt.WriteBEUInt8(0x54); // Int at index 20 - a_Pkt.WriteBEInt32(static_cast<int>(reinterpret_cast<const cWither &>(a_Mob).GetWitherInvulnerableTicks())); - a_Pkt.WriteBEUInt8(0x66); // Float at index 6 - a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth())); - break; - } // case mtWither - - case mtWolf: - { - auto & Wolf = reinterpret_cast<const cWolf &>(a_Mob); - Byte WolfStatus = 0; - if (Wolf.IsSitting()) - { - WolfStatus |= 0x1; - } - if (Wolf.IsAngry()) - { - WolfStatus |= 0x2; - } - if (Wolf.IsTame()) - { - WolfStatus |= 0x4; - } - a_Pkt.WriteBEUInt8(0x10); - a_Pkt.WriteBEUInt8(WolfStatus); - - a_Pkt.WriteBEUInt8(0x72); - a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth())); - a_Pkt.WriteBEUInt8(0x13); - a_Pkt.WriteBEUInt8(Wolf.IsBegging() ? 1 : 0); - a_Pkt.WriteBEUInt8(0x14); - a_Pkt.WriteBEUInt8(static_cast<Byte>(Wolf.GetCollarColor())); - break; - } // case mtWolf - - case mtZombie: - { - auto & Zombie = reinterpret_cast<const cZombie &>(a_Mob); - a_Pkt.WriteBEUInt8(0x0c); - a_Pkt.WriteBEUInt8(Zombie.IsBaby() ? 1 : 0); - a_Pkt.WriteBEUInt8(0x0d); - a_Pkt.WriteBEUInt8(Zombie.IsVillagerZombie() ? 1 : 0); - a_Pkt.WriteBEUInt8(0x0e); - a_Pkt.WriteBEUInt8(Zombie.IsConverting() ? 1 : 0); - break; - } // case mtZombie - - default: - { - // No data to send for this mob - break; - } - } // switch (a_Mob.GetType()) -} - - - - - -void cProtocol172::WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity) -{ - if (!a_Entity.IsMob()) - { - // No properties for anything else than mobs - a_Pkt.WriteBEInt32(0); - return; - } - - // auto & Mob = reinterpret_cast<const cMonster &>(a_Entity); - - // TODO: Send properties and modifiers based on the mob type - - a_Pkt.WriteBEInt32(0); // NumProperties -} - - - - - -//////////////////////////////////////////////////////////////////////////////// -// cProtocol176: - -cProtocol176::cProtocol176(cClientHandle * a_Client, const AString &a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) : - super(a_Client, a_ServerAddress, a_ServerPort, a_State) -{ -} - - - - - -void cProtocol176::SendPlayerSpawn(const cPlayer & a_Player) -{ - // Called to spawn another player for the client - cPacketizer Pkt(*this, 0x0c); // Spawn Player packet - Pkt.WriteVarInt32(a_Player.GetUniqueID()); - Pkt.WriteString(cMojangAPI::MakeUUIDDashed(a_Player.GetClientHandle()->GetUUID())); - if (a_Player.HasCustomName()) - { - Pkt.WriteString(a_Player.GetCustomName()); - } - else - { - Pkt.WriteString(a_Player.GetName()); - } - - 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()); - Pkt.WriteString(Node.get("signature", "").asString()); - } - - Pkt.WriteFPInt(a_Player.GetPosX()); - Pkt.WriteFPInt(a_Player.GetPosY()); - Pkt.WriteFPInt(a_Player.GetPosZ()); - Pkt.WriteByteAngle(a_Player.GetYaw()); - Pkt.WriteByteAngle(a_Player.GetPitch()); - short ItemType = a_Player.GetEquippedItem().IsEmpty() ? 0 : a_Player.GetEquippedItem().m_ItemType; - Pkt.WriteBEInt16(ItemType); - Pkt.WriteBEUInt8((3 << 5) | 6); // Metadata: float + index 6 - Pkt.WriteBEFloat(static_cast<float>(a_Player.GetHealth())); - Pkt.WriteBEUInt8(0x7f); // Metadata: end -} - - - - - -void cProtocol176::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) -{ - cServer * Server = cRoot::Get()->GetServer(); - AString Motd = Server->GetDescription(); - int NumPlayers = Server->GetNumPlayers(); - int MaxPlayers = Server->GetMaxPlayers(); - AString Favicon = Server->GetFaviconData(); - cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, Motd, NumPlayers, MaxPlayers, Favicon); - - // Version: - Json::Value Version; - Version["name"] = "Cuberite 1.7.6"; - Version["protocol"] = 5; - - // Players: - Json::Value Players; - Players["online"] = NumPlayers; - Players["max"] = MaxPlayers; - // TODO: Add "sample" - - // Description: - Json::Value Description; - Description["text"] = Motd.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); -} - - - - |