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+
+// Protocol18x.h
+
+/*
+Declares the 1.8.x protocol classes:
+ - cProtocol180
+ - release 1.8.0 protocol (#47)
+(others may be added later in the future for the 1.8 release series)
+*/
+
+
+
+
+
+#pragma once
+
+#include "Protocol.h"
+#include "../ByteBuffer.h"
+
+#ifdef _MSC_VER
+ #pragma warning(push)
+ #pragma warning(disable:4127)
+ #pragma warning(disable:4244)
+ #pragma warning(disable:4231)
+ #pragma warning(disable:4189)
+ #pragma warning(disable:4702)
+#endif
+
+#ifdef _MSC_VER
+ #pragma warning(pop)
+#endif
+
+#include "PolarSSL++/AesCfb128Decryptor.h"
+#include "PolarSSL++/AesCfb128Encryptor.h"
+
+
+
+
+
+// fwd:
+namespace Json
+{
+ class Value;
+}
+
+
+
+
+
+class cProtocol180 :
+ public cProtocol
+{
+ typedef cProtocol super;
+
+public:
+
+ cProtocol180(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, size_t 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 SendChat (const cCompositeChat & a_Message) override;
+ virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;
+ virtual void SendCollectEntity (const cEntity & a_Entity, 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 SendEntityEffect (const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) override;
+ 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 SendLoginSuccess (void) override;
+ virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length, unsigned int m_Scale) override;
+ virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators, unsigned int m_Scale) override;
+ virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override;
+ virtual void SendPaintingSpawn (const cPainting & a_Painting) override;
+ virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
+ virtual void SendPlayerAbilities (void) override;
+ virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) override;
+ 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_ParticleAmount) override;
+ virtual void SendPlayerListAddPlayer (const cPlayer & a_Player) override;
+ virtual void SendPlayerListRemovePlayer (const cPlayer & a_Player) override;
+ virtual void SendPlayerListUpdateGameMode (const cPlayer & a_Player) override;
+ virtual void SendPlayerListUpdatePing (const cPlayer & a_Player) override;
+ virtual void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_OldListName) 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 SendPluginMessage (const AString & a_Channel, const AString & a_Message) override;
+ virtual void SendRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID) override;
+ virtual void SendRespawn (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override;
+ virtual void SendSoundEffect (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
+ virtual void SendExperience (void) override;
+ virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) override;
+ virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
+ virtual void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
+ virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) 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 SendStatistics (const cStatManager & a_Manager) 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, bool a_DoDaylightCycle) override;
+ virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) override;
+ virtual void SendUpdateBlockEntity (cBlockEntity & a_BlockEntity) 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, int a_Property, int a_Value) override;
+
+ virtual AString GetAuthServerID(void) override { return m_AuthServerID; }
+
+ /** Compress the packet. a_Packet must be without packet length.
+ a_Compressed will be set to the compressed packet includes packet length and data length.
+ If compression fails, the function returns false. */
+ static bool CompressPacket(const AString & a_Packet, AString & a_Compressed);
+
+ /** The 1.8 protocol use a particle id instead of a string. This function converts the name to the id. If the name is incorrect, it returns 0. */
+ static int GetParticleID(const AString & a_ParticleName);
+
+ /** Minecraft 1.8 use other locations to spawn the item frame. This function converts the 1.7 positions to 1.8 positions. */
+ static void FixItemFramePositions(int a_ObjectData, double & a_PosX, double & a_PosZ, double & a_Yaw);
+
+protected:
+
+ /** Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed */
+ class cPacketizer
+ {
+ public:
+ cPacketizer(cProtocol180 & 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 WritePosition(int a_BlockX, int a_BlockY, int a_BlockZ)
+ {
+ m_Out.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
+ }
+
+ void WriteUUID(const AString & a_UUID);
+
+ void WriteBuf(const char * a_Data, size_t 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
+ void WriteBlockEntity(const cBlockEntity & a_BlockEntity);
+
+ protected:
+ cProtocol180 & 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;
+
+ cAesCfb128Decryptor m_Decryptor;
+ cAesCfb128Encryptor m_Encryptor;
+
+ /** The logfile where the comm is logged, when g_ShouldLogComm is true */
+ cFile m_CommLogFile;
+
+ /** The dimension that was last sent to a player in a Respawn or Login packet.
+ Used to avoid Respawning into the same dimension, which confuses the client. */
+ eDimension m_LastSentDimension;
+
+
+ /** Adds the received (unencrypted) data to m_ReceivedData, parses complete packets */
+ void AddReceivedData(const char * a_Data, size_t a_Size);
+
+ /** Reads and handles the packet. The packet length and type have already been read.
+ Returns true if the packet was understood, false if it was an unknown packet
+ */
+ bool HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType);
+
+ // Packet handlers while in the Status state (m_State == 1):
+ void HandlePacketStatusPing(cByteBuffer & a_ByteBuffer);
+ void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer);
+
+ // Packet handlers while in the Login state (m_State == 2):
+ void HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer);
+ void HandlePacketLoginStart(cByteBuffer & a_ByteBuffer);
+
+ // Packet handlers while in the Game state (m_State == 3):
+ void HandlePacketAnimation (cByteBuffer & a_ByteBuffer);
+ void HandlePacketBlockDig (cByteBuffer & a_ByteBuffer);
+ void HandlePacketBlockPlace (cByteBuffer & a_ByteBuffer);
+ void HandlePacketChatMessage (cByteBuffer & a_ByteBuffer);
+ void HandlePacketClientSettings (cByteBuffer & a_ByteBuffer);
+ void HandlePacketClientStatus (cByteBuffer & a_ByteBuffer);
+ void HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer);
+ void HandlePacketEntityAction (cByteBuffer & a_ByteBuffer);
+ void HandlePacketKeepAlive (cByteBuffer & a_ByteBuffer);
+ void HandlePacketPlayer (cByteBuffer & a_ByteBuffer);
+ void HandlePacketPlayerAbilities (cByteBuffer & a_ByteBuffer);
+ void HandlePacketPlayerLook (cByteBuffer & a_ByteBuffer);
+ void HandlePacketPlayerPos (cByteBuffer & a_ByteBuffer);
+ void HandlePacketPlayerPosLook (cByteBuffer & a_ByteBuffer);
+ void HandlePacketPluginMessage (cByteBuffer & a_ByteBuffer);
+ void HandlePacketSlotSelect (cByteBuffer & a_ByteBuffer);
+ void HandlePacketSteerVehicle (cByteBuffer & a_ByteBuffer);
+ void HandlePacketTabComplete (cByteBuffer & a_ByteBuffer);
+ void HandlePacketUpdateSign (cByteBuffer & a_ByteBuffer);
+ void HandlePacketUseEntity (cByteBuffer & a_ByteBuffer);
+ void HandlePacketEnchantItem (cByteBuffer & a_ByteBuffer);
+ void HandlePacketWindowClick (cByteBuffer & a_ByteBuffer);
+ void HandlePacketWindowClose (cByteBuffer & a_ByteBuffer);
+
+
+ /** 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, size_t 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 */
+ virtual bool ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_RemainingBytes = 0);
+
+ /** Parses item metadata as read by ReadItem(), into the item enchantments. */
+ void ParseItemMetadata(cItem & a_Item, const AString & a_Metadata);
+
+ void StartEncryption(const Byte * a_Key);
+
+} ;
+
+
+