// 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 "1.7.x, 1.8.x"
#define MCS_PROTOCOL_VERSIONS "4, 5, 47"
class cProtocolRecognizer :
public cProtocol
{
typedef cProtocol super;
public:
enum
{
PROTO_VERSION_1_7_2 = 4,
PROTO_VERSION_1_7_6 = 5,
PROTO_VERSION_1_8_0 = 47,
} ;
cProtocolRecognizer(AString a_LogID);
/** 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 cProtocolError DataReceived(const char * a_Data, size_t a_Size, std::vector<std::unique_ptr<cClientAction>> & a_Actions) override WARN_UNUSED;
/** 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 (UInt32 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, eChatType a_Type) override;
virtual void SendChat (const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes) 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 (int a_Health, int a_FoodLevel, double a_FoodSaturationLevel) override;
virtual void SendHideTitle (void) override;
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
virtual void SendKeepAlive (UInt32 a_PingID) override;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
virtual void SendLoginSuccess (const AString & a_UUID, const AString & a_Username) override;
virtual void SendMapData (const cMap & a_Map, int a_DataStartX, int a_DataStartY) 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 SendParticleEffect (const AString & a_ParticleName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data) override;
virtual void SendPaintingSpawn (const cPainting & a_Painting) override;
virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
virtual void SendPlayerAbilities (const cPlayer & a_Player) override;
virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) 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 (const cPlayer & a_Player) override;
virtual void SendPlayerMoveLook (const cPlayer & a_Player) override;
virtual void SendPlayerPosition (const cPlayer & a_Player) 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 SendResetTitle (void) override;
virtual void SendRespawn (eGameMode a_GameMode, eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override;
virtual void SendExperience (const cPlayer & a_Player) 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 SendSetSubTitle (const cCompositeChat & a_SubTitle) override;
virtual void SendSetRawSubTitle (const AString & a_SubTitle) override;
virtual void SendSetTitle (const cCompositeChat & a_Title) override;
virtual void SendSetRawTitle (const AString & a_Title) 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 SendSoundParticleEffect (const EffectID 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 SendTitleTimes (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) 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 cPlayer & a_Player, 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, size_t a_Size) override;
cProtocolError HandleHandshake(cByteBuffer & a_ByteBuffer, std::vector<std::unique_ptr<cClientAction>> & a_Actions) override WARN_UNUSED;
protected:
/** The recognized protocol */
std::unique_ptr<cProtocol> m_Protocol;
/** Buffer for the incoming data until we recognize the protocol */
cByteBuffer m_Buffer;
AString m_LogID;
/** Tries to recognize protocol based on m_Buffer contents; returns true if recognized */
cProtocolError TryRecognizeProtocol(std::vector<std::unique_ptr<cClientAction>> & a_Actions);
/** Tries to recognize a protocol in the lengthed 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. */
cProtocolError TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining, std::vector<std::unique_ptr<cClientAction>> & a_Actions);
/** Sends a single packet contained within the cPacketizer class.
The cPacketizer's destructor calls this to send the contained packet; protocol may transform the data (compression in 1.8 etc). */
virtual void SendPacket(cPacketizer & a_Pkt) override;
} ;