1 files changed, 337 insertions, 0 deletions

diff --git a/src/Protocol/Protocol18x.h b/src/Protocol/Protocol18x.h
new file mode 100644
index 000000000..554edecc8
--- /dev/null
+++ b/src/Protocol/Protocol18x.h
@@ -0,0 +1,337 @@
+
+// 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_CustomName) 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.
+	a_KeepRemainingBytes tells the function to keep that many bytes at the end of the buffer. */
+	virtual bool ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_KeepRemainingBytes = 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);
+
+} ;
+
+
+