1 files changed, 260 insertions, 0 deletions

diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
new file mode 100644
index 000000000..9a189ab24
--- /dev/null
+++ b/src/Protocol/Protocol17x.h
@@ -0,0 +1,260 @@
+
+// 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 SendEntityAnimation     (const cEntity & a_Entity, 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 SendExperienceOrb       (const cExpOrb & a_ExpOrb) 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<CryptoPP::AES>::Decryption m_Decryptor;
+	CryptoPP::CFB_Mode<CryptoPP::AES>::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);
+} ;
+
+
+
+