336 lines
14 KiB
C++
336 lines
14 KiB
C++
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// Protocol17x.h
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/*
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Declares the 1.7.x protocol classes:
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- cProtocol172
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- release 1.7.2 protocol (#4)
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(others may be added later in the future for the 1.7 release series)
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*/
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#pragma once
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#include "Protocol.h"
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#include "../ByteBuffer.h"
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable:4127)
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#pragma warning(disable:4244)
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#pragma warning(disable:4231)
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#pragma warning(disable:4189)
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#pragma warning(disable:4702)
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#endif
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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#include "PolarSSL++/AesCfb128Decryptor.h"
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#include "PolarSSL++/AesCfb128Encryptor.h"
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// fwd:
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namespace Json
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{
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class Value;
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}
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class cProtocol172 :
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public cProtocol
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{
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typedef cProtocol super;
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public:
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cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State);
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/** Called when client sends some data: */
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virtual void DataReceived(const char * a_Data, size_t a_Size) override;
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/** Sending stuff to clients (alphabetically sorted): */
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virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) override;
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virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) override;
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virtual void SendBlockBreakAnim (int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) override;
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virtual void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
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virtual void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) override;
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virtual void SendChat (const AString & a_Message) override;
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virtual void SendChat (const cCompositeChat & a_Message) override;
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virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;
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virtual void SendCollectEntity (const cEntity & a_Entity, const cPlayer & a_Player) override;
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virtual void SendDestroyEntity (const cEntity & a_Entity) override;
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virtual void SendDisconnect (const AString & a_Reason) override;
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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+)
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virtual void SendEntityEffect (const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) override;
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virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override;
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virtual void SendEntityHeadLook (const cEntity & a_Entity) override;
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virtual void SendEntityLook (const cEntity & a_Entity) override;
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virtual void SendEntityMetadata (const cEntity & a_Entity) override;
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virtual void SendEntityProperties (const cEntity & a_Entity) override;
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virtual void SendEntityRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
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virtual void SendEntityRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
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virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) override;
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virtual void SendEntityVelocity (const cEntity & a_Entity) override;
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virtual void SendExplosion (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
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virtual void SendGameMode (eGameMode a_GameMode) override;
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virtual void SendHealth (void) override;
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virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
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virtual void SendKeepAlive (int a_PingID) override;
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virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
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virtual void SendLoginSuccess (void) override;
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virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
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virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) override;
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virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override;
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virtual void SendPaintingSpawn (const cPainting & a_Painting) override;
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virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
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virtual void SendPlayerAbilities (void) override;
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virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) override;
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virtual void 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_ParticleAmmount) override;
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virtual void SendPlayerListItem (const cPlayer & a_Player, bool a_IsOnline) override;
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virtual void SendPlayerMaxSpeed (void) override;
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virtual void SendPlayerMoveLook (void) override;
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virtual void SendPlayerPosition (void) override;
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virtual void SendPlayerSpawn (const cPlayer & a_Player) override;
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virtual void SendPluginMessage (const AString & a_Channel, const AString & a_Message) override;
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virtual void SendRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID) override;
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virtual void SendRespawn (const cWorld & a_World, bool a_ShouldIgnoreDimensionChecks = false) override;
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virtual void SendSoundEffect (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
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virtual void SendExperience (void) override;
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virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) override;
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virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
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virtual void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
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virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override;
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virtual void SendSoundParticleEffect (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override;
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virtual void SendSpawnFallingBlock (const cFallingBlock & a_FallingBlock) override;
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virtual void SendSpawnMob (const cMonster & a_Mob) override;
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virtual void SendSpawnObject (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) override;
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virtual void SendSpawnVehicle (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) override;
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virtual void SendStatistics (const cStatManager & a_Manager) override;
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virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
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virtual void SendTeleportEntity (const cEntity & a_Entity) override;
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virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) override;
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virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay) override;
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virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) override;
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virtual void SendUpdateBlockEntity (cBlockEntity & a_BlockEntity) override;
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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;
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virtual void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) override;
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virtual void SendWeather (eWeather a_Weather) override;
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virtual void SendWholeInventory (const cWindow & a_Window) override;
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virtual void SendWindowClose (const cWindow & a_Window) override;
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virtual void SendWindowOpen (const cWindow & a_Window) override;
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virtual void SendWindowProperty (const cWindow & a_Window, int a_Property, int a_Value) override;
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virtual AString GetAuthServerID(void) override { return m_AuthServerID; }
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protected:
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/** Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed */
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class cPacketizer
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{
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public:
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cPacketizer(cProtocol172 & a_Protocol, UInt32 a_PacketType) :
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m_Protocol(a_Protocol),
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m_Out(a_Protocol.m_OutPacketBuffer),
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m_Lock(a_Protocol.m_CSPacket)
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{
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m_Out.WriteVarInt(a_PacketType);
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}
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~cPacketizer();
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void WriteBool(bool a_Value)
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{
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m_Out.WriteBool(a_Value);
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}
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void WriteByte(Byte a_Value)
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{
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m_Out.WriteByte(a_Value);
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}
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void WriteChar(char a_Value)
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{
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m_Out.WriteChar(a_Value);
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}
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void WriteShort(short a_Value)
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{
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m_Out.WriteBEShort(a_Value);
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}
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void WriteInt(int a_Value)
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{
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m_Out.WriteBEInt(a_Value);
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}
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void WriteInt64(Int64 a_Value)
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{
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m_Out.WriteBEInt64(a_Value);
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}
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void WriteFloat(float a_Value)
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{
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m_Out.WriteBEFloat(a_Value);
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}
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void WriteDouble(double a_Value)
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{
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m_Out.WriteBEDouble(a_Value);
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}
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void WriteVarInt(UInt32 a_Value)
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{
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m_Out.WriteVarInt(a_Value);
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}
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void WriteString(const AString & a_Value)
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{
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m_Out.WriteVarUTF8String(a_Value);
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}
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void WriteBuf(const char * a_Data, size_t a_Size)
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{
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m_Out.Write(a_Data, a_Size);
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}
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void WriteItem(const cItem & a_Item);
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void WriteByteAngle(double a_Angle); // Writes the specified angle using a single byte
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void WriteFPInt(double a_Value); // Writes the double value as a 27:5 fixed-point integer
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void WriteEntityMetadata(const cEntity & a_Entity); // Writes the metadata for the specified entity, not including the terminating 0x7f
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void WriteMobMetadata(const cMonster & a_Mob); // Writes the mob-specific metadata for the specified mob
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void WriteEntityProperties(const cEntity & a_Entity); // Writes the entity properties for the specified entity, including the Count field
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void WriteBlockEntity(const cBlockEntity & a_BlockEntity);
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protected:
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cProtocol172 & m_Protocol;
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cByteBuffer & m_Out;
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cCSLock m_Lock;
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} ;
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AString m_ServerAddress;
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UInt16 m_ServerPort;
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AString m_AuthServerID;
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/** State of the protocol. 1 = status, 2 = login, 3 = game */
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UInt32 m_State;
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/** Buffer for the received data */
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cByteBuffer m_ReceivedData;
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/** Buffer for composing the outgoing packets, through cPacketizer */
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cByteBuffer m_OutPacketBuffer;
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/** Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) */
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cByteBuffer m_OutPacketLenBuffer;
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bool m_IsEncrypted;
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cAesCfb128Decryptor m_Decryptor;
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cAesCfb128Encryptor m_Encryptor;
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/** The logfile where the comm is logged, when g_ShouldLogComm is true */
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cFile m_CommLogFile;
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/** The dimension that was last sent to a player in a Respawn or Login packet.
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Used to avoid Respawning into the same dimension, which confuses the client. */
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eDimension m_LastSentDimension;
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/** Adds the received (unencrypted) data to m_ReceivedData, parses complete packets */
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void AddReceivedData(const char * a_Data, size_t a_Size);
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/** Reads and handles the packet. The packet length and type have already been read.
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Returns true if the packet was understood, false if it was an unknown packet
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*/
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bool HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType);
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// Packet handlers while in the Status state (m_State == 1):
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void HandlePacketStatusPing (cByteBuffer & a_ByteBuffer);
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virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer);
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// Packet handlers while in the Login state (m_State == 2):
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void HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer);
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void HandlePacketLoginStart (cByteBuffer & a_ByteBuffer);
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// Packet handlers while in the Game state (m_State == 3):
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void HandlePacketAnimation (cByteBuffer & a_ByteBuffer);
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void HandlePacketBlockDig (cByteBuffer & a_ByteBuffer);
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void HandlePacketBlockPlace (cByteBuffer & a_ByteBuffer);
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void HandlePacketChatMessage (cByteBuffer & a_ByteBuffer);
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void HandlePacketClientSettings (cByteBuffer & a_ByteBuffer);
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void HandlePacketClientStatus (cByteBuffer & a_ByteBuffer);
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void HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer);
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void HandlePacketEntityAction (cByteBuffer & a_ByteBuffer);
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void HandlePacketKeepAlive (cByteBuffer & a_ByteBuffer);
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void HandlePacketPlayer (cByteBuffer & a_ByteBuffer);
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void HandlePacketPlayerAbilities (cByteBuffer & a_ByteBuffer);
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void HandlePacketPlayerLook (cByteBuffer & a_ByteBuffer);
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void HandlePacketPlayerPos (cByteBuffer & a_ByteBuffer);
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void HandlePacketPlayerPosLook (cByteBuffer & a_ByteBuffer);
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void HandlePacketPluginMessage (cByteBuffer & a_ByteBuffer);
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void HandlePacketSlotSelect (cByteBuffer & a_ByteBuffer);
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void HandlePacketSteerVehicle (cByteBuffer & a_ByteBuffer);
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void HandlePacketTabComplete (cByteBuffer & a_ByteBuffer);
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void HandlePacketUpdateSign (cByteBuffer & a_ByteBuffer);
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void HandlePacketUseEntity (cByteBuffer & a_ByteBuffer);
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void HandlePacketEnchantItem (cByteBuffer & a_ByteBuffer);
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void HandlePacketWindowClick (cByteBuffer & a_ByteBuffer);
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void HandlePacketWindowClose (cByteBuffer & a_ByteBuffer);
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/** Writes an entire packet into the output stream. a_Packet is expected to start with the packet type; data length is prepended here. */
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void WritePacket(cByteBuffer & a_Packet);
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/** Sends the data to the client, encrypting them if needed. */
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virtual void SendData(const char * a_Data, size_t a_Size) override;
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void SendCompass(const cWorld & a_World);
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/** Reads an item out of the received data, sets a_Item to the values read. Returns false if not enough received data */
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bool ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item);
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/** Parses item metadata as read by ReadItem(), into the item enchantments. */
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void ParseItemMetadata(cItem & a_Item, const AString & a_Metadata);
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void StartEncryption(const Byte * a_Key);
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/** Adds the chat part's style (represented by the part's stylestring) into the Json object. */
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void AddChatPartStyle(Json::Value & a_Value, const AString & a_PartStyle);
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} ;
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/** The version 5 lengthed protocol, used by 1.7.6 through 1.7.9. */
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class cProtocol176 :
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public cProtocol172
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{
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typedef cProtocol172 super;
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public:
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cProtocol176(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State);
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// cProtocol172 overrides:
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virtual void SendPlayerSpawn(const cPlayer & a_Player) override;
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virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) override;
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} ;
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