// Protocol17x.h /* Declares the 1.7.x protocol classes: - cProtocol172 - release 1.7.2 protocol (#4) (others may be added later in the future for the 1.7 release series) */ #pragma once #include "Protocol.h" #include "../ByteBuffer.h" #include "../../CryptoPP/modes.h" #include "../../CryptoPP/aes.h" class cProtocol172 : public cProtocol // TODO { typedef cProtocol super; // TODO public: cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State); /// Called when client sends some data: virtual void DataReceived(const char * a_Data, int a_Size) override; /// Sending stuff to clients (alphabetically sorted): virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) override; virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) override; virtual void SendBlockBreakAnim (int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) override; virtual void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override; virtual void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) override; virtual void SendChat (const AString & a_Message) override; virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override; virtual void SendCollectPickup (const cPickup & a_Pickup, const cPlayer & a_Player) override; virtual void SendDestroyEntity (const cEntity & a_Entity) override; virtual void SendDisconnect (const AString & a_Reason) override; virtual void SendEditSign (int a_BlockX, int a_BlockY, int a_BlockZ) override; ///< Request the client to open up the sign editor for the sign (1.6+) virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override; virtual void SendEntityHeadLook (const cEntity & a_Entity) override; virtual void SendEntityLook (const cEntity & a_Entity) override; virtual void SendEntityMetadata (const cEntity & a_Entity) override; virtual void SendEntityProperties (const cEntity & a_Entity) override; virtual void SendEntityRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override; virtual void SendEntityRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override; virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) override; virtual void SendEntityVelocity (const cEntity & a_Entity) override; virtual void SendExplosion (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override; virtual void SendGameMode (eGameMode a_GameMode) override; virtual void SendHealth (void) override; virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override; virtual void SendKeepAlive (int a_PingID) override; virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override; virtual void SendPickupSpawn (const cPickup & a_Pickup) override; virtual void SendPlayerAbilities (void) override; virtual void SendPlayerAnimation (const cPlayer & a_Player, char a_Animation) override; virtual void SendPlayerListItem (const cPlayer & a_Player, bool a_IsOnline) override; virtual void SendPlayerMaxSpeed (void) override; virtual void SendPlayerMoveLook (void) override; virtual void SendPlayerPosition (void) override; virtual void SendPlayerSpawn (const cPlayer & a_Player) override; virtual void SendRespawn (void) override; virtual void SendSoundEffect (const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) override; // a_Src coords are Block * 8 virtual void SendExperience (void) override; virtual void SendSoundParticleEffect (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override; virtual void SendSpawnFallingBlock (const cFallingBlock & a_FallingBlock) override; virtual void SendSpawnMob (const cMonster & a_Mob) override; virtual void SendSpawnObject (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) override; virtual void SendSpawnVehicle (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) override; virtual void SendTabCompletionResults(const AStringVector & a_Results) override; virtual void SendTeleportEntity (const cEntity & a_Entity) override; virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) override; virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay) override; virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) override; virtual void 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) override; virtual void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) override; virtual void SendWeather (eWeather a_Weather) override; virtual void SendWholeInventory (const cWindow & a_Window) override; virtual void SendWindowClose (const cWindow & a_Window) override; virtual void SendWindowOpen (const cWindow & a_Window) override; virtual void SendWindowProperty (const cWindow & a_Window, short a_Property, short a_Value) override; virtual AString GetAuthServerID(void) override { return m_AuthServerID; } protected: /// Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed class cPacketizer { public: cPacketizer(cProtocol172 & a_Protocol, UInt32 a_PacketType) : m_Protocol(a_Protocol), m_Out(a_Protocol.m_OutPacketBuffer), m_Lock(a_Protocol.m_CSPacket) { m_Out.WriteVarInt(a_PacketType); } ~cPacketizer(); void WriteBool(bool a_Value) { m_Out.WriteBool(a_Value); } void WriteByte(Byte a_Value) { m_Out.WriteByte(a_Value); } void WriteChar(char a_Value) { m_Out.WriteChar(a_Value); } void WriteShort(short a_Value) { m_Out.WriteBEShort(a_Value); } void WriteInt(int a_Value) { m_Out.WriteBEInt(a_Value); } void WriteInt64(Int64 a_Value) { m_Out.WriteBEInt64(a_Value); } void WriteFloat(float a_Value) { m_Out.WriteBEFloat(a_Value); } void WriteDouble(double a_Value) { m_Out.WriteBEDouble(a_Value); } void WriteVarInt(UInt32 a_Value) { m_Out.WriteVarInt(a_Value); } void WriteString(const AString & a_Value) { m_Out.WriteVarUTF8String(a_Value); } void WriteBuf(const char * a_Data, int a_Size) { m_Out.Write(a_Data, a_Size); } void WriteItem(const cItem & a_Item); void WriteByteAngle(double a_Angle); // Writes the specified angle using a single byte void WriteFPInt(double a_Value); // Writes the double value as a 27:5 fixed-point integer void WriteEntityMetadata(const cEntity & a_Entity); // Writes the metadata for the specified entity, not including the terminating 0x7f void WriteMobMetadata(const cMonster & a_Mob); // Writes the mob-specific metadata for the specified mob void WriteEntityProperties(const cEntity & a_Entity); // Writes the entity properties for the specified entity, including the Count field protected: cProtocol172 & m_Protocol; cByteBuffer & m_Out; cCSLock m_Lock; } ; AString m_ServerAddress; UInt16 m_ServerPort; AString m_AuthServerID; /// State of the protocol. 1 = status, 2 = login, 3 = game UInt32 m_State; /// Buffer for the received data cByteBuffer m_ReceivedData; /// Buffer for composing the outgoing packets, through cPacketizer cByteBuffer m_OutPacketBuffer; /// Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) cByteBuffer m_OutPacketLenBuffer; bool m_IsEncrypted; CryptoPP::CFB_Mode::Decryption m_Decryptor; CryptoPP::CFB_Mode::Encryption m_Encryptor; /// Adds the received (unencrypted) data to m_ReceivedData, parses complete packets void AddReceivedData(const char * a_Data, int a_Size); /// Reads and handles the packet. The packet length and type have already been read. void HandlePacket(UInt32 a_PacketType, UInt32 a_RemainingBytes); // Packet handlers while in the Status state (m_State == 1): void HandlePacketStatusPing (UInt32 a_RemainingBytes); void HandlePacketStatusRequest(UInt32 a_RemainingBytes); // Packet handlers while in the Login state (m_State == 2): void HandlePacketLoginEncryptionResponse(UInt32 a_RemainingBytes); void HandlePacketLoginStart (UInt32 a_RemainingBytes); // Packet handlers while in the Game state (m_State == 3): void HandlePacketAnimation (UInt32 a_RemainingBytes); void HandlePacketBlockDig (UInt32 a_RemainingBytes); void HandlePacketBlockPlace (UInt32 a_RemainingBytes); void HandlePacketChatMessage (UInt32 a_RemainingBytes); void HandlePacketClientSettings (UInt32 a_RemainingBytes); void HandlePacketClientStatus (UInt32 a_RemainingBytes); void HandlePacketCreativeInventoryAction(UInt32 a_RemainingBytes); void HandlePacketEntityAction (UInt32 a_RemainingBytes); void HandlePacketKeepAlive (UInt32 a_RemainingBytes); void HandlePacketPlayer (UInt32 a_RemainingBytes); void HandlePacketPlayerAbilities (UInt32 a_RemainingBytes); void HandlePacketPlayerLook (UInt32 a_RemainingBytes); void HandlePacketPlayerPos (UInt32 a_RemainingBytes); void HandlePacketPlayerPosLook (UInt32 a_RemainingBytes); void HandlePacketPluginMessage (UInt32 a_RemainingBytes); void HandlePacketSlotSelect (UInt32 a_RemainingBytes); void HandlePacketSteerVehicle (UInt32 a_RemainingBytes); void HandlePacketTabComplete (UInt32 a_RemainingBytes); void HandlePacketUpdateSign (UInt32 a_RemainingBytes); void HandlePacketUseEntity (UInt32 a_RemainingBytes); void HandlePacketWindowClick (UInt32 a_RemainingBytes); void HandlePacketWindowClose (UInt32 a_RemainingBytes); /// Writes an entire packet into the output stream. a_Packet is expected to start with the packet type; data length is prepended here. void WritePacket(cByteBuffer & a_Packet); /// Sends the data to the client, encrypting them if needed. virtual void SendData(const char * a_Data, int a_Size) override; void SendCompass(const cWorld & a_World); /// Reads an item out of the received data, sets a_Item to the values read. Returns false if not enough received data bool ReadItem(cItem & a_Item); /// Parses item metadata as read by ReadItem(), into the item enchantments. void ParseItemMetadata(cItem & a_Item, const AString & a_Metadata); } ;