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+
+// ProtocolRecognizer.h
+
+// Interfaces to the cProtocolRecognizer class representing the meta-protocol that recognizes possibly multiple
+// protocol versions and redirects everything to them
+
+
+
+
+
+#pragma once
+
+#include "Protocol.h"
+#include "../ByteBuffer.h"
+
+
+
+
+
+// Adjust these if a new protocol is added or an old one is removed:
+#define MCS_CLIENT_VERSIONS "1.2.4, 1.2.5, 1.3.1, 1.3.2, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5, 1.5.1, 1.5.2, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.7.2"
+#define MCS_PROTOCOL_VERSIONS "29, 39, 47, 49, 51, 60, 61, 73, 74, 77, 78, 4"
+
+
+
+
+
+class cProtocolRecognizer :
+ public cProtocol
+{
+ typedef cProtocol super;
+
+public:
+ enum
+ {
+ PROTO_VERSION_1_2_5 = 29,
+ PROTO_VERSION_1_3_2 = 39,
+ PROTO_VERSION_1_4_2 = 47,
+ PROTO_VERSION_1_4_4 = 49,
+ PROTO_VERSION_1_4_6 = 51,
+ PROTO_VERSION_1_5_0 = 60,
+ PROTO_VERSION_1_5_2 = 61,
+ PROTO_VERSION_1_6_1 = 73,
+ PROTO_VERSION_1_6_2 = 74,
+ PROTO_VERSION_1_6_3 = 77,
+ PROTO_VERSION_1_6_4 = 78,
+
+ PROTO_VERSION_NEXT,
+ PROTO_VERSION_LATEST = PROTO_VERSION_NEXT - 1, ///< Automatically assigned to the last protocol version, this serves as the default for PrimaryServerVersion
+
+ // These will be kept "under" the next / latest, because the next and latest are only needed for previous protocols
+ PROTO_VERSION_1_7_2 = 4,
+ } ;
+
+ cProtocolRecognizer(cClientHandle * a_Client);
+ virtual ~cProtocolRecognizer();
+
+ /// Translates protocol version number into protocol version text: 49 -> "1.4.4"
+ static AString GetVersionTextFromInt(int a_ProtocolVersion);
+
+ /// 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 SendExperience (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;
+ 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;
+
+ virtual void SendData(const char * a_Data, int a_Size) override;
+
+protected:
+ cProtocol * m_Protocol; //< The recognized protocol
+ cByteBuffer m_Buffer; //< Buffer for the incoming data until we recognize the protocol
+
+ /// Tries to recognize protocol based on m_Buffer contents; returns true if recognized
+ bool TryRecognizeProtocol(void);
+
+ /** Tries to recognize a protocol in the length-less family, based on m_Buffer; returns true if recognized.
+ Handles protocols before release 1.7, that didn't include packet lengths, and started with a 0x02 handshake packet
+ Note that length-less server ping is handled directly in TryRecognizeProtocol(), this function is called only
+ when the 0x02 Handshake packet has been received
+ */
+ bool TryRecognizeLengthlessProtocol(void);
+
+ /** Tries to recognize a protocol in the leghted family (1.7+), based on m_Buffer; returns true if recognized.
+ The packet length and type have already been read, type is 0
+ The number of bytes remaining in the packet is passed as a_PacketLengthRemaining
+ **/
+ bool TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining);
+
+ /** Called when the recognizer gets a length-less protocol's server ping packet
+ Responds with server stats and destroys the client.
+ */
+ void SendLengthlessServerPing(void);
+} ;
+
+
+
+
+