616 lines
30 KiB
C++
616 lines
30 KiB
C++
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// cClientHandle.h
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// Interfaces to the cClientHandle class representing a client connected to this server. The client need not be a player yet
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#pragma once
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#include "OSSupport/Network.h"
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#include "Defines.h"
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#include "Scoreboard.h"
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#include "UI/SlotArea.h"
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#include "json/json.h"
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#include "ChunkSender.h"
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#include "EffectID.h"
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#include "Protocol/ForgeHandshake.h"
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#include "UUID.h"
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// fwd:
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class cChunkDataSerializer;
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class cMonster;
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class cExpOrb;
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class cPainting;
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class cPickup;
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class cPlayer;
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class cProtocol;
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class cWindow;
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class cFallingBlock;
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class cCompositeChat;
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class cStatManager;
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class cMap;
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class cClientHandle;
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typedef std::shared_ptr<cClientHandle> cClientHandlePtr;
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class cClientHandle // tolua_export
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: public cTCPLink::cCallbacks
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{ // tolua_export
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public: // tolua_export
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#if defined(ANDROID)
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static const int DEFAULT_VIEW_DISTANCE = 4; // The default ViewDistance (used when no value is set in Settings.ini)
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#else
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static const int DEFAULT_VIEW_DISTANCE = 10;
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#endif
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static const int MAX_VIEW_DISTANCE = 32;
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static const int MIN_VIEW_DISTANCE = 1;
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/** The percentage how much a block has to be broken.
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Should be a value between 0.7 (70% broken) and 1 (100% broken) depending on lag.
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Can be set in settings.ini [AntiCheat] FastBreakPercentage=(from 0 to 100) */
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static float FASTBREAK_PERCENTAGE;
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/** Creates a new client with the specified IP address in its description and the specified initial view distance. */
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cClientHandle(const AString & a_IPString, int a_ViewDistance);
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virtual ~cClientHandle() override;
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const AString & GetIPString(void) const { return m_IPString; } // tolua_export
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/** Sets the IP string that the client is using. Overrides the IP string that was read from the socket.
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Used mainly by BungeeCord compatibility code. */
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void SetIPString(const AString & a_IPString) { m_IPString = a_IPString; }
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cPlayer * GetPlayer(void) { return m_Player; } // tolua_export
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/** Returns the player's UUID, as used by the protocol */
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const cUUID & GetUUID(void) const { return m_UUID; } // Exported in ManualBindings.cpp
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/** Sets the player's UUID, as used by the protocol.
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Used mainly by BungeeCord compatibility code - when authenticating is done on the BungeeCord server
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and the results are passed to MCS running in offline mode. */
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void SetUUID(const cUUID & a_UUID) { ASSERT(!a_UUID.IsNil()); m_UUID = a_UUID; }
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const Json::Value & GetProperties(void) const { return m_Properties; }
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/** Sets the player's properties, such as skin image and signature.
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Used mainly by BungeeCord compatibility code - property querying is done on the BungeeCord server
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and the results are passed to MCS running in offline mode. */
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void SetProperties(const Json::Value & a_Properties) { m_Properties = a_Properties; }
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/** Generates an UUID based on the username stored for this client, and stores it in the m_UUID member.
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This is used for the offline (non-auth) mode, when there's no UUID source.
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Each username generates a unique and constant UUID, so that when the player reconnects with the same name, their UUID is the same.
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Internally calls the GenerateOfflineUUID static function. */
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void GenerateOfflineUUID(void);
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/** Generates an UUID based on the player name provided.
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This is used for the offline (non-auth) mode, when there's no UUID source.
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Each username generates a unique and constant UUID, so that when the player reconnects with the same name, their UUID is the same. */
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static cUUID GenerateOfflineUUID(const AString & a_Username); // Exported in ManualBindings.cpp
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/** Returns true if the UUID is generated by online auth, false if it is an offline-generated UUID.
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We use Version-3 UUIDs for offline UUIDs, online UUIDs are Version-4, thus we can tell them apart. */
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static bool IsUUIDOnline(const cUUID & a_UUID); // Exported in ManualBindings.cpp
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/** Formats the type of message with the proper color and prefix for sending to the client. */
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static AString FormatMessageType(bool ShouldAppendChatPrefixes, eMessageType a_ChatPrefix, const AString & a_AdditionalData);
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static AString FormatChatPrefix(
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bool ShouldAppendChatPrefixes, const AString & a_ChatPrefixS,
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const AString & m_Color1, const AString & m_Color2
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);
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void Kick(const AString & a_Reason); // tolua_export
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/** Authenticates the specified user, called by cAuthenticator */
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void Authenticate(const AString & a_Name, const cUUID & a_UUID, const Json::Value & a_Properties);
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/** This function sends a new unloaded chunk to the player. Returns true if all chunks are loaded. */
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bool StreamNextChunk();
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/** Remove all loaded chunks that are no longer in range */
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void UnloadOutOfRangeChunks(void);
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/** Removes the client from all chunks. Used when destroying the player.
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When switching worlds, RemoveFromWorld does this function's job so it isn't called. */
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void RemoveFromAllChunks(void);
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inline bool IsLoggedIn(void) const { return (m_State >= csAuthenticating); }
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/** Called while the client is being ticked from the world via its cPlayer object */
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void Tick(float a_Dt);
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/** Called while the client is being ticked from the cServer object */
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void ServerTick(float a_Dt);
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void Destroy(void);
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bool IsPlaying (void) const { return (m_State == csPlaying); }
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bool IsDestroyed (void) const { return (m_State == csDestroyed); }
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bool IsDestroying(void) const { return (m_State == csDestroying); }
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// The following functions send the various packets:
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// (Please keep these alpha-sorted)
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void SendAttachEntity (const cEntity & a_Entity, const cEntity & a_Vehicle);
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void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType);
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void SendBlockBreakAnim (UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage);
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void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta); // tolua_export
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void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes);
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void SendCameraSetTo (const cEntity & a_Entity);
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void SendChat (const AString & a_Message, eMessageType a_ChatPrefix, const AString & a_AdditionalData = "");
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void SendChat (const cCompositeChat & a_Message);
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void SendChatRaw (const AString & a_MessageRaw, eChatType a_Type);
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void SendChatAboveActionBar (const AString & a_Message, eMessageType a_ChatPrefix, const AString & a_AdditionalData = "");
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void SendChatAboveActionBar (const cCompositeChat & a_Message);
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void SendChatSystem (const AString & a_Message, eMessageType a_ChatPrefix, const AString & a_AdditionalData = "");
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void SendChatSystem (const cCompositeChat & a_Message);
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void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer);
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void SendCollectEntity (const cEntity & a_Collected, const cEntity & a_Collector, unsigned a_Count);
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void SendDestroyEntity (const cEntity & a_Entity);
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void SendDetachEntity (const cEntity & a_Entity, const cEntity & a_PreviousVehicle);
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void SendDisconnect (const AString & a_Reason);
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void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display);
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void SendEditSign (int a_BlockX, int a_BlockY, int a_BlockZ);
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void SendEntityAnimation (const cEntity & a_Entity, char a_Animation); // tolua_export
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void SendEntityEffect (const cEntity & a_Entity, int a_EffectID, int a_Amplifier, int a_Duration);
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void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item);
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void SendEntityHeadLook (const cEntity & a_Entity);
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void SendEntityLook (const cEntity & a_Entity);
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void SendEntityMetadata (const cEntity & a_Entity);
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void SendEntityPosition (const cEntity & a_Entity);
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void SendEntityStatus (const cEntity & a_Entity, char a_Status);
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void SendEntityVelocity (const cEntity & a_Entity);
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void SendExperience (void);
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void SendExperienceOrb (const cExpOrb & a_ExpOrb);
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void SendExplosion (const Vector3d a_Pos, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d a_PlayerMotion);
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void SendGameMode (eGameMode a_GameMode);
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void SendHealth (void);
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void SendHeldItemChange (int a_ItemIndex);
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void SendHideTitle (void); // tolua_export
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void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item);
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void SendLeashEntity (const cEntity & a_Entity, const cEntity & a_EntityLeashedTo);
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void SendMapData (const cMap & a_Map, int a_DataStartX, int a_DataStartY);
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void SendPaintingSpawn (const cPainting & a_Painting);
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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);
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void SendParticleEffect (const AString & a_ParticleName, const Vector3f a_Src, const Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data);
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void SendPlayerAbilities (void);
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void SendPlayerListAddPlayer (const cPlayer & a_Player);
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void SendPlayerListRemovePlayer (const cPlayer & a_Player);
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void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName);
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void SendPlayerListUpdateGameMode (const cPlayer & a_Player);
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void SendPlayerListUpdatePing (const cPlayer & a_Player);
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void SendPlayerMaxSpeed (void); ///< Informs the client of the maximum player speed (1.6.1+)
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void SendPlayerMoveLook (void);
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void SendPlayerPosition (void);
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void SendPlayerSpawn (const cPlayer & a_Player);
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void SendPluginMessage (const AString & a_Channel, const AString & a_Message); // Exported in ManualBindings.cpp
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void SendRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID);
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void SendResourcePack (const AString & a_ResourcePackUrl);
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void SendResetTitle (void); // tolua_export
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void SendRespawn (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks = false);
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void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode);
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void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode);
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void SendSetSubTitle (const cCompositeChat & a_SubTitle); // tolua_export
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void SendSetRawSubTitle (const AString & a_SubTitle); // tolua_export
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void SendSetTitle (const cCompositeChat & a_Title); // tolua_export
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void SendSetRawTitle (const AString & a_Title); // tolua_export
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void SendSoundEffect (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch); // tolua_export
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void SendSoundEffect (const AString & a_SoundName, Vector3d a_Position, float a_Volume, float a_Pitch); // tolua_export
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void SendSoundParticleEffect (const EffectID a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data);
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void SendSpawnEntity (const cEntity & a_Entity);
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void SendSpawnMob (const cMonster & a_Mob);
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void SendStatistics (const cStatManager & a_Manager);
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void SendTabCompletionResults (const AStringVector & a_Results);
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void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ);
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void SendTitleTimes (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks); // tolua_export
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void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle); // tolua_export
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void SendUnleashEntity (const cEntity & a_Entity);
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void SendUnloadChunk (int a_ChunkX, int a_ChunkZ);
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void SendUpdateBlockEntity (cBlockEntity & a_BlockEntity);
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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);
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void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ);
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/** Send a newly discovered recipe to show the notification and unlock in the recipe book */
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void SendUnlockRecipe (UInt32 a_RecipeId);
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/** Send already known recipes without notification but visible in the recipe book */
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void SendInitRecipes (UInt32 a_RecipeId);
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void SendWeather (eWeather a_Weather);
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void SendWholeInventory (const cWindow & a_Window);
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void SendWindowClose (const cWindow & a_Window);
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void SendWindowOpen (const cWindow & a_Window);
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void SendWindowProperty (const cWindow & a_Window, short a_Property, short a_Value);
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// tolua_begin
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const AString & GetUsername(void) const;
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void SetUsername( const AString & a_Username);
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inline short GetPing(void) const { return static_cast<short>(std::chrono::duration_cast<std::chrono::milliseconds>(m_Ping).count()); }
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/** Sets the maximal view distance. */
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void SetViewDistance(int a_ViewDistance);
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/** Returns the view distance that the player currently have. */
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int GetViewDistance(void) const { return m_CurrentViewDistance; }
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/** Returns the view distance that the player request, not the used view distance. */
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int GetRequestedViewDistance(void) const { return m_RequestedViewDistance; }
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void SetLocale(const AString & a_Locale) { m_Locale = a_Locale; }
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AString GetLocale(void) const { return m_Locale; }
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int GetUniqueID(void) const { return m_UniqueID; }
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bool HasPluginChannel(const AString & a_PluginChannel);
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/** Called by the protocol when it receives the MC|Brand plugin message. Also callable by plugins.
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Simply stores the string value. */
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void SetClientBrand(const AString & a_ClientBrand) { m_ClientBrand = a_ClientBrand; }
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/** Returns the client brand received in the MC|Brand plugin message or set by a plugin. */
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const AString & GetClientBrand(void) const { return m_ClientBrand; }
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/** Returns the Forge mods installed on the client. */
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const AStringMap & GetForgeMods(void) const { return m_ForgeMods; }
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/** Returns true if the client is modded with Forge. */
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bool IsForgeClient(void) const { return m_ForgeHandshake.m_IsForgeClient; }
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// tolua_end
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/** Add the Forge mod list to the server ping response. */
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void ForgeAugmentServerListPing(Json::Value & a_Response)
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{
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m_ForgeHandshake.AugmentServerListPing(a_Response);
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}
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/** Mark a client connection as using Forge. Set by the protocol. */
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void SetIsForgeClient()
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{
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m_ForgeHandshake.m_IsForgeClient = true;
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}
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/** Returns true if the client wants the chunk specified to be sent (in m_ChunksToSend) */
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bool WantsSendChunk(int a_ChunkX, int a_ChunkZ);
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/** Adds the chunk specified to the list of chunks wanted for sending (m_ChunksToSend) */
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void AddWantedChunk(int a_ChunkX, int a_ChunkZ);
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// Calls that cProtocol descendants use to report state:
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void PacketBufferFull(void);
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void PacketUnknown(UInt32 a_PacketType);
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void PacketError(UInt32 a_PacketType);
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// Calls that cProtocol descendants use for handling packets:
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void HandleAnimation(int a_Animation);
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/** Called when the protocol receives a MC|ItemName plugin message, indicating that the player named
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an item in the anvil UI. */
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void HandleAnvilItemName(const AString & a_ItemName);
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/** Called when the protocol receives a MC|Beacon plugin message, indicating that the player set an effect
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in the beacon UI. */
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void HandleBeaconSelection(int a_PrimaryEffect, int a_SecondaryEffect);
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/** Called when the protocol detects a chat packet. */
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void HandleChat(const AString & a_Message);
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/** Called when the protocol receives a MC|AdvCdm plugin message, indicating that the player set a new
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command in the command block UI, for a block-based commandblock. */
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void HandleCommandBlockBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_NewCommand);
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/** Called when the protocol receives a MC|AdvCdm plugin message, indicating that the player set a new
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command in the command block UI, for an entity-based commandblock (minecart?). */
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void HandleCommandBlockEntityChange(UInt32 a_EntityID, const AString & a_NewCommand);
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/** Called when the client clicks the creative inventory window.
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a_ClickAction specifies whether the click was inside the window or not (caLeftClick or caLeftClickOutside). */
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void HandleCreativeInventory(Int16 a_SlotNum, const cItem & a_HeldItem, eClickAction a_ClickAction);
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/** Called when the player enchants an Item in the Enchanting table UI. */
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void HandleEnchantItem(UInt8 a_WindowID, UInt8 a_Enchantment);
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void HandleEntityCrouch (UInt32 a_EntityID, bool a_IsCrouching);
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void HandleEntityLeaveBed (UInt32 a_EntityID);
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void HandleEntitySprinting (UInt32 a_EntityID, bool a_IsSprinting);
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/** Kicks the client if the same username is already logged in.
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Returns false if the client has been kicked, true otherwise. */
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bool CheckMultiLogin(const AString & a_Username);
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/** Called when the protocol handshake has been received (for protocol versions that support it;
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otherwise the first instant when a username is received).
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Returns true if the player is to be let in, false if they were disconnected
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*/
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bool HandleHandshake (const AString & a_Username);
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void HandleKeepAlive (UInt32 a_KeepAliveID);
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void HandleLeftClick (int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, UInt8 a_Status);
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/** Called when the protocol receives a MC|TrSel packet, indicating that the player used a trade in
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the NPC UI. */
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void HandleNPCTrade(int a_SlotNum);
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/** Handles a player opening their inventory while riding a horse.
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@param a_EntityID ID of the player that is to open the inventory. Should be the same as GetPlayer()->GetUniqueID(). */
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void HandleOpenHorseInventory(UInt32 a_EntityID);
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void HandlePing (void);
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void HandlePlayerAbilities (bool a_CanFly, bool a_IsFlying, float FlyingSpeed, float WalkingSpeed);
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void HandlePlayerLook (float a_Rotation, float a_Pitch, bool a_IsOnGround);
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void HandlePlayerMoveLook (double a_PosX, double a_PosY, double a_PosZ, double a_Stance, float a_Rotation, float a_Pitch, bool a_IsOnGround); // While m_bPositionConfirmed (normal gameplay)
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/** Verifies and sets player position, performing relevant checks
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Calls relevant methods to process movement related statistics
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Requires state of previous position and on-ground status, so must be called when these are still intact
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*/
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void HandlePlayerPos(double a_PosX, double a_PosY, double a_PosZ, double a_Stance, bool a_IsOnGround);
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void HandlePluginMessage (const AString & a_Channel, const AString & a_Message);
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void HandleRespawn (void);
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void HandleRightClick (int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ, eHand a_Hand);
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void HandleSlotSelected (Int16 a_SlotNum);
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void HandleSpectate (const cUUID & a_PlayerUUID);
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void HandleSteerVehicle (float Forward, float Sideways);
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void HandleTabCompletion (const AString & a_Text);
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void HandleUpdateSign (
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int a_BlockX, int a_BlockY, int a_BlockZ,
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const AString & a_Line1, const AString & a_Line2,
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const AString & a_Line3, const AString & a_Line4
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);
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void HandleUnmount (void);
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void HandleUseEntity (UInt32 a_TargetEntityID, bool a_IsLeftClick);
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void HandleUseItem (eHand a_Hand);
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void HandleWindowClick (UInt8 a_WindowID, Int16 a_SlotNum, eClickAction a_ClickAction, const cItem & a_HeldItem);
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void HandleWindowClose (UInt8 a_WindowID);
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/** Called when a recipe from the recipe book is selected */
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void HandleCraftRecipe (UInt32 a_RecipeId);
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/** Called when the protocol has finished logging the user in.
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Return true to allow the user in; false to kick them.
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*/
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bool HandleLogin(const AString & a_Username);
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void SendData(const char * a_Data, size_t a_Size);
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/** Called when the player moves into a different world.
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Sends an UnloadChunk packet for each loaded chunk and resets the streamed chunks. */
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void RemoveFromWorld(void);
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/** Called by the protocol recognizer when the protocol version is known. */
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void SetProtocolVersion(UInt32 a_ProtocolVersion) { m_ProtocolVersion = a_ProtocolVersion; }
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/** Returns the protocol version number of the protocol that the client is talking. Returns zero if the protocol version is not (yet) known. */
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UInt32 GetProtocolVersion(void) const { return m_ProtocolVersion; } // tolua_export
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void InvalidateCachedSentChunk();
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bool IsPlayerChunkSent();
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private:
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/** The dimension that was last sent to a player in a Respawn or Login packet.
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Used to avoid Respawning into the same dimension, which confuses the client. */
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eDimension m_LastSentDimension;
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friend class cServer; // Needs access to SetSelf()
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friend class cForgeHandshake; // Needs access to FinishAuthenticate()
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/** The type used for storing the names of registered plugin channels. */
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typedef std::set<AString> cChannels;
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/** Forge handshake state machine. */
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cForgeHandshake m_ForgeHandshake;
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/** Forge mods and versions installed on this client. */
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AStringMap m_ForgeMods;
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/** The actual view distance used, the minimum of client's requested view distance and world's max view distance. */
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int m_CurrentViewDistance;
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/** The requested view distance from the player. It isn't clamped with 1 and the max view distance of the world. */
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int m_RequestedViewDistance;
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AString m_IPString;
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AString m_Username;
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AString m_Password;
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Json::Value m_Properties;
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cCriticalSection m_CSChunkLists;
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std::unordered_set<cChunkCoords, cChunkCoordsHash> m_LoadedChunks; // Chunks that the player belongs to
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std::unordered_set<cChunkCoords, cChunkCoordsHash> m_ChunksToSend; // Chunks that need to be sent to the player (queued because they weren't generated yet or there's not enough time to send them)
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cChunkCoordsList m_SentChunks; // Chunks that are currently sent to the client
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std::unique_ptr<cProtocol> m_Protocol;
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/** Protects m_IncomingData against multithreaded access. */
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cCriticalSection m_CSIncomingData;
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/** Queue for the incoming data received on the link until it is processed in Tick().
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Protected by m_CSIncomingData. */
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AString m_IncomingData;
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/** Protects m_OutgoingData against multithreaded access. */
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cCriticalSection m_CSOutgoingData;
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/** Buffer for storing outgoing data from any thread; will get sent in Tick() (to prevent deadlocks).
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Protected by m_CSOutgoingData. */
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AString m_OutgoingData;
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Vector3d m_ConfirmPosition;
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cPlayer * m_Player;
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// Temporary (#3115-will-fix): maintain temporary ownership of created cPlayer objects while they are in limbo
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std::unique_ptr<cPlayer> m_PlayerPtr;
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/** This is an optimization which saves you an iteration of m_SentChunks if you just want to know
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whether or not the player is standing at a sent chunk.
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If this is equal to the coordinates of the chunk the player is currrently standing at, then this must be a sent chunk
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and a member of m_SentChunks.
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Otherwise, this contains an arbitrary value which should not be used. */
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cChunkCoords m_CachedSentChunk;
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bool m_HasSentDC; ///< True if a Disconnect packet has been sent in either direction
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// Chunk position when the last StreamChunks() was called; used to avoid re-streaming while in the same chunk
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int m_LastStreamedChunkX;
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int m_LastStreamedChunkZ;
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/** Number of ticks since the last network packet was received (increased in Tick(), reset in OnReceivedData()) */
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std::atomic<int> m_TicksSinceLastPacket;
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/** Duration of the last completed client ping. */
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std::chrono::steady_clock::duration m_Ping;
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/** ID of the last ping request sent to the client. */
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UInt32 m_PingID;
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/** Time of the last ping request sent to the client. */
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std::chrono::steady_clock::time_point m_PingStartTime;
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// Values required for block dig animation
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int m_BlockDigAnimStage; // Current stage of the animation; -1 if not digging
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int m_BlockDigAnimSpeed; // Current speed of the animation (units ???)
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int m_BlockDigAnimX;
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int m_BlockDigAnimY;
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int m_BlockDigAnimZ;
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// To avoid dig / aim bug in the client, store the last position given in a DIG_START packet and compare to that when processing the DIG_FINISH packet:
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bool m_HasStartedDigging;
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int m_LastDigBlockX;
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int m_LastDigBlockY;
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int m_LastDigBlockZ;
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enum eState
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{
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csConnected, ///< The client has just connected, waiting for their handshake / login
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csAuthenticating, ///< The client has logged in, waiting for external authentication
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csAuthenticated, ///< The client has been authenticated, will start streaming chunks in the next tick
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csDownloadingWorld, ///< The client is waiting for chunks, we're waiting for the loader to provide and send them
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csConfirmingPos, ///< The client has been sent the position packet, waiting for them to repeat the position back
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csPlaying, ///< Normal gameplay
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csKicked, ///< Disconnect packet sent, awaiting connection closure
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csQueuedForDestruction, ///< The client will be destroyed in the next tick (flag set when socket closed)
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csDestroying, ///< The client is being destroyed, don't queue any more packets / don't add to chunks
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csDestroyed, ///< The client has been destroyed, the destructor is to be called from the owner thread
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} ;
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/* Mutex protecting m_State from concurrent writes. */
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cCriticalSection m_CSState;
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/** The current (networking) state of the client.
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Protected from concurrent writes by m_CSState; but may be read by other threads concurrently.
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If a function depends on m_State or wants to change m_State, it needs to lock m_CSState.
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However, if it only uses m_State for a quick bail out, or it doesn't break if the client disconnects in the middle of it,
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it may just read m_State without locking m_CSState. */
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std::atomic<eState> m_State;
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/** If set to true during csDownloadingWorld, the tick thread calls CheckIfWorldDownloaded() */
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bool m_ShouldCheckDownloaded;
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/** Number of explosions sent this tick */
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int m_NumExplosionsThisTick;
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/** Number of place or break interactions this tick */
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int m_NumBlockChangeInteractionsThisTick;
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static int s_ClientCount;
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/** ID used for identification during authenticating. Assigned sequentially for each new instance. */
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int m_UniqueID;
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/** Contains the UUID used by Mojang to identify the player's account. */
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cUUID m_UUID;
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/** Set to true when the chunk where the player is is sent to the client. Used for spawning the player */
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bool m_HasSentPlayerChunk;
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/** Client Settings */
|
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AString m_Locale;
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/** The positions from the last sign that the player placed. It's needed to verify the sign text change. */
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Vector3i m_LastPlacedSign;
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/** The plugin channels that the client has registered. */
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cChannels m_PluginChannels;
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/** The brand identification of the client, as received in the MC|Brand plugin message or set from a plugin. */
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AString m_ClientBrand;
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/** The version of the protocol that the client is talking, or 0 if unknown. */
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UInt32 m_ProtocolVersion;
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/** The link that is used for network communication.
|
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m_CSOutgoingData is used to synchronize access for sending data. */
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cTCPLinkPtr m_Link;
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/** Shared pointer to self, so that this instance can keep itself alive when needed. */
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cClientHandlePtr m_Self;
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float m_BreakProgress;
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/** Finish logging the user in after authenticating. */
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void FinishAuthenticate(const AString & a_Name, const cUUID & a_UUID, const Json::Value & a_Properties);
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/** Returns true if the rate block interactions is within a reasonable limit (bot protection) */
|
|
bool CheckBlockInteractionsRate(void);
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/** Adds a single chunk to be streamed to the client; used by StreamChunks() */
|
|
void StreamChunk(int a_ChunkX, int a_ChunkZ, cChunkSender::eChunkPriority a_Priority);
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|
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/** Handles the DIG_STARTED dig packet: */
|
|
void HandleBlockDigStarted (int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, BLOCKTYPE a_OldBlock, NIBBLETYPE a_OldMeta);
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/** Handles the DIG_FINISHED dig packet: */
|
|
void HandleBlockDigFinished(int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, BLOCKTYPE a_OldBlock, NIBBLETYPE a_OldMeta);
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/** The clients will receive a finished dig animation */
|
|
void FinishDigAnimation();
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|
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/** Converts the protocol-formatted channel list (NUL-separated) into a proper string vector. */
|
|
AStringVector BreakApartPluginChannels(const AString & a_PluginChannels);
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|
/** Adds all of the channels to the list of current plugin channels. Handles duplicates gracefully. */
|
|
void RegisterPluginChannels(const AStringVector & a_ChannelList);
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|
/** Removes all of the channels from the list of current plugin channels. Ignores channels that are not found. */
|
|
void UnregisterPluginChannels(const AStringVector & a_ChannelList);
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|
|
/** Called when the network socket has been closed. */
|
|
void SocketClosed(void);
|
|
|
|
/** Called right after the instance is created to store its SharedPtr inside. */
|
|
void SetSelf(cClientHandlePtr a_Self);
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|
|
/** Called to update m_State.
|
|
Only succeeds if a_NewState > m_State, otherwise returns false. */
|
|
bool SetState(eState a_NewState);
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|
|
|
/** Processes the data in the network input and output buffers.
|
|
Called by both Tick() and ServerTick(). */
|
|
void ProcessProtocolInOut(void);
|
|
|
|
// cTCPLink::cCallbacks overrides:
|
|
virtual void OnLinkCreated(cTCPLinkPtr a_Link) override;
|
|
virtual void OnReceivedData(const char * a_Data, size_t a_Length) override;
|
|
virtual void OnRemoteClosed(void) override;
|
|
virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override;
|
|
}; // tolua_export
|