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- /*
- Minetest
- Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #pragma once
- #include "clientenvironment.h"
- #include "irrlichttypes_extrabloated.h"
- #include <ostream>
- #include <map>
- #include <memory>
- #include <set>
- #include <vector>
- #include <unordered_set>
- #include "clientobject.h"
- #include "gamedef.h"
- #include "inventorymanager.h"
- #include "client/hud.h"
- #include "tileanimation.h"
- #include "network/address.h"
- #include "network/peerhandler.h"
- #include "gameparams.h"
- #include "clientdynamicinfo.h"
- #include <fstream>
- #include "util/numeric.h"
- #define CLIENT_CHAT_MESSAGE_LIMIT_PER_10S 10.0f
- struct ClientEvent;
- struct MeshMakeData;
- struct ChatMessage;
- class MapBlockMesh;
- class RenderingEngine;
- class IWritableTextureSource;
- class IWritableShaderSource;
- class IWritableItemDefManager;
- class ISoundManager;
- class NodeDefManager;
- //class IWritableCraftDefManager;
- class ClientMediaDownloader;
- class SingleMediaDownloader;
- struct MapDrawControl;
- class ModChannelMgr;
- class MtEventManager;
- struct PointedThing;
- struct MapNode;
- class MapDatabase;
- class Minimap;
- struct MinimapMapblock;
- class MeshUpdateManager;
- class ParticleManager;
- class Camera;
- struct PlayerControl;
- class NetworkPacket;
- namespace con {
- class Connection;
- }
- using sound_handle_t = int;
- enum LocalClientState {
- LC_Created,
- LC_Init,
- LC_Ready
- };
- /*
- Packet counter
- */
- class PacketCounter
- {
- public:
- PacketCounter() = default;
- void add(u16 command)
- {
- auto n = m_packets.find(command);
- if (n == m_packets.end())
- m_packets[command] = 1;
- else
- n->second++;
- }
- void clear()
- {
- m_packets.clear();
- }
- u32 sum() const;
- void print(std::ostream &o) const;
- private:
- // command, count
- std::map<u16, u32> m_packets;
- };
- class ClientScripting;
- class GameUI;
- class Client : public con::PeerHandler, public InventoryManager, public IGameDef
- {
- public:
- /*
- NOTE: Nothing is thread-safe here.
- */
- Client(
- const char *playername,
- const std::string &password,
- MapDrawControl &control,
- IWritableTextureSource *tsrc,
- IWritableShaderSource *shsrc,
- IWritableItemDefManager *itemdef,
- NodeDefManager *nodedef,
- ISoundManager *sound,
- MtEventManager *event,
- RenderingEngine *rendering_engine,
- GameUI *game_ui,
- ELoginRegister allow_login_or_register
- );
- ~Client();
- DISABLE_CLASS_COPY(Client);
- // Load local mods into memory
- void scanModSubfolder(const std::string &mod_name, const std::string &mod_path,
- std::string mod_subpath);
- inline void scanModIntoMemory(const std::string &mod_name, const std::string &mod_path)
- {
- scanModSubfolder(mod_name, mod_path, "");
- }
- /*
- request all threads managed by client to be stopped
- */
- void Stop();
- bool isShutdown();
- void connect(const Address &address, const std::string &address_name,
- bool is_local_server);
- /*
- Stuff that references the environment is valid only as
- long as this is not called. (eg. Players)
- If this throws a PeerNotFoundException, the connection has
- timed out.
- */
- void step(float dtime);
- /*
- * Command Handlers
- */
- void handleCommand(NetworkPacket* pkt);
- void handleCommand_Null(NetworkPacket* pkt) {};
- void handleCommand_Deprecated(NetworkPacket* pkt);
- void handleCommand_Hello(NetworkPacket* pkt);
- void handleCommand_AuthAccept(NetworkPacket* pkt);
- void handleCommand_AcceptSudoMode(NetworkPacket* pkt);
- void handleCommand_DenySudoMode(NetworkPacket* pkt);
- void handleCommand_AccessDenied(NetworkPacket* pkt);
- void handleCommand_RemoveNode(NetworkPacket* pkt);
- void handleCommand_AddNode(NetworkPacket* pkt);
- void handleCommand_NodemetaChanged(NetworkPacket *pkt);
- void handleCommand_BlockData(NetworkPacket* pkt);
- void handleCommand_Inventory(NetworkPacket* pkt);
- void handleCommand_TimeOfDay(NetworkPacket* pkt);
- void handleCommand_ChatMessage(NetworkPacket *pkt);
- void handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt);
- void handleCommand_ActiveObjectMessages(NetworkPacket* pkt);
- void handleCommand_Movement(NetworkPacket* pkt);
- void handleCommand_Fov(NetworkPacket *pkt);
- void handleCommand_HP(NetworkPacket* pkt);
- void handleCommand_Breath(NetworkPacket* pkt);
- void handleCommand_MovePlayer(NetworkPacket* pkt);
- void handleCommand_MovePlayerRel(NetworkPacket* pkt);
- void handleCommand_DeathScreen(NetworkPacket* pkt);
- void handleCommand_AnnounceMedia(NetworkPacket* pkt);
- void handleCommand_Media(NetworkPacket* pkt);
- void handleCommand_NodeDef(NetworkPacket* pkt);
- void handleCommand_ItemDef(NetworkPacket* pkt);
- void handleCommand_PlaySound(NetworkPacket* pkt);
- void handleCommand_StopSound(NetworkPacket* pkt);
- void handleCommand_FadeSound(NetworkPacket *pkt);
- void handleCommand_Privileges(NetworkPacket* pkt);
- void handleCommand_InventoryFormSpec(NetworkPacket* pkt);
- void handleCommand_DetachedInventory(NetworkPacket* pkt);
- void handleCommand_ShowFormSpec(NetworkPacket* pkt);
- void handleCommand_SpawnParticle(NetworkPacket* pkt);
- void handleCommand_AddParticleSpawner(NetworkPacket* pkt);
- void handleCommand_DeleteParticleSpawner(NetworkPacket* pkt);
- void handleCommand_HudAdd(NetworkPacket* pkt);
- void handleCommand_HudRemove(NetworkPacket* pkt);
- void handleCommand_HudChange(NetworkPacket* pkt);
- void handleCommand_HudSetFlags(NetworkPacket* pkt);
- void handleCommand_HudSetParam(NetworkPacket* pkt);
- void handleCommand_HudSetSky(NetworkPacket* pkt);
- void handleCommand_HudSetSun(NetworkPacket* pkt);
- void handleCommand_HudSetMoon(NetworkPacket* pkt);
- void handleCommand_HudSetStars(NetworkPacket* pkt);
- void handleCommand_CloudParams(NetworkPacket* pkt);
- void handleCommand_OverrideDayNightRatio(NetworkPacket* pkt);
- void handleCommand_LocalPlayerAnimations(NetworkPacket* pkt);
- void handleCommand_EyeOffset(NetworkPacket* pkt);
- void handleCommand_UpdatePlayerList(NetworkPacket* pkt);
- void handleCommand_ModChannelMsg(NetworkPacket *pkt);
- void handleCommand_ModChannelSignal(NetworkPacket *pkt);
- void handleCommand_SrpBytesSandB(NetworkPacket *pkt);
- void handleCommand_FormspecPrepend(NetworkPacket *pkt);
- void handleCommand_CSMRestrictionFlags(NetworkPacket *pkt);
- void handleCommand_PlayerSpeed(NetworkPacket *pkt);
- void handleCommand_MediaPush(NetworkPacket *pkt);
- void handleCommand_MinimapModes(NetworkPacket *pkt);
- void handleCommand_SetLighting(NetworkPacket *pkt);
- void ProcessData(NetworkPacket *pkt);
- void Send(NetworkPacket* pkt);
- void interact(InteractAction action, const PointedThing &pointed);
- void sendNodemetaFields(v3s16 p, const std::string &formname,
- const StringMap &fields);
- void sendInventoryFields(const std::string &formname,
- const StringMap &fields);
- void sendInventoryAction(InventoryAction *a);
- void sendChatMessage(const std::wstring &message);
- void clearOutChatQueue();
- void sendChangePassword(const std::string &oldpassword,
- const std::string &newpassword);
- void sendDamage(u16 damage);
- void sendRespawn();
- void sendReady();
- void sendHaveMedia(const std::vector<u32> &tokens);
- void sendUpdateClientInfo(const ClientDynamicInfo &info);
- ClientEnvironment& getEnv() { return m_env; }
- ITextureSource *tsrc() { return getTextureSource(); }
- ISoundManager *sound() { return getSoundManager(); }
- static const std::string &getBuiltinLuaPath();
- static const std::string &getClientModsLuaPath();
- const std::vector<ModSpec> &getMods() const override;
- const ModSpec* getModSpec(const std::string &modname) const override;
- // Causes urgent mesh updates (unlike Map::add/removeNodeWithEvent)
- void removeNode(v3s16 p);
- // helpers to enforce CSM restrictions
- MapNode CSMGetNode(v3s16 p, bool *is_valid_position);
- int CSMClampRadius(v3s16 pos, int radius);
- v3s16 CSMClampPos(v3s16 pos);
- void addNode(v3s16 p, MapNode n, bool remove_metadata = true);
- void setPlayerControl(PlayerControl &control);
- // Returns true if the inventory of the local player has been
- // updated from the server. If it is true, it is set to false.
- bool updateWieldedItem();
- /* InventoryManager interface */
- Inventory* getInventory(const InventoryLocation &loc) override;
- void inventoryAction(InventoryAction *a) override;
- // Send the item number 'item' as player item to the server
- void setPlayerItem(u16 item);
- const std::set<std::string> &getConnectedPlayerNames()
- {
- return m_env.getPlayerNames();
- }
- float getAnimationTime();
- int getCrackLevel();
- v3s16 getCrackPos();
- void setCrack(int level, v3s16 pos);
- u16 getHP();
- bool checkPrivilege(const std::string &priv) const
- { return (m_privileges.count(priv) != 0); }
- const std::unordered_set<std::string> &getPrivilegeList() const
- { return m_privileges; }
- bool getChatMessage(std::wstring &message);
- void typeChatMessage(const std::wstring& message);
- u64 getMapSeed(){ return m_map_seed; }
- void addUpdateMeshTask(v3s16 blockpos, bool ack_to_server=false, bool urgent=false);
- // Including blocks at appropriate edges
- void addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server=false, bool urgent=false);
- void addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server=false, bool urgent=false);
- void updateCameraOffset(v3s16 camera_offset);
- bool hasClientEvents() const { return !m_client_event_queue.empty(); }
- // Get event from queue. If queue is empty, it triggers an assertion failure.
- ClientEvent * getClientEvent();
- bool accessDenied() const { return m_access_denied; }
- bool reconnectRequested() const { return m_access_denied_reconnect; }
- void setFatalError(const std::string &reason)
- {
- m_access_denied = true;
- m_access_denied_reason = reason;
- }
- inline void setFatalError(const LuaError &e)
- {
- setFatalError(std::string("Lua: ") + e.what());
- }
- // Renaming accessDeniedReason to better name could be good as it's used to
- // disconnect client when CSM failed.
- const std::string &accessDeniedReason() const { return m_access_denied_reason; }
- bool itemdefReceived() const
- { return m_itemdef_received; }
- bool nodedefReceived() const
- { return m_nodedef_received; }
- bool mediaReceived() const
- { return !m_media_downloader; }
- bool activeObjectsReceived() const
- { return m_activeobjects_received; }
- u16 getProtoVersion() const
- { return m_proto_ver; }
- bool m_simple_singleplayer_mode;
- float mediaReceiveProgress();
- void afterContentReceived();
- void showUpdateProgressTexture(void *args, u32 progress, u32 max_progress);
- float getRTT();
- float getCurRate();
- // has the server ever replied to us, used for connection retry/fallback
- bool hasServerReplied() const {
- return getProtoVersion() != 0; // (set in TOCLIENT_HELLO)
- }
- Minimap* getMinimap() { return m_minimap; }
- void setCamera(Camera* camera) { m_camera = camera; }
- Camera* getCamera () { return m_camera; }
- scene::ISceneManager *getSceneManager();
- // IGameDef interface
- IItemDefManager* getItemDefManager() override;
- const NodeDefManager* getNodeDefManager() override;
- ICraftDefManager* getCraftDefManager() override;
- ITextureSource* getTextureSource();
- virtual IWritableShaderSource* getShaderSource();
- u16 allocateUnknownNodeId(const std::string &name) override;
- virtual ISoundManager* getSoundManager();
- MtEventManager* getEventManager();
- virtual ParticleManager* getParticleManager();
- bool checkLocalPrivilege(const std::string &priv)
- { return checkPrivilege(priv); }
- virtual scene::IAnimatedMesh* getMesh(const std::string &filename, bool cache = false);
- const std::string* getModFile(std::string filename);
- ModStorageDatabase *getModStorageDatabase() override { return m_mod_storage_database; }
- // Migrates away old files-based mod storage if necessary
- void migrateModStorage();
- // The following set of functions is used by ClientMediaDownloader
- // Insert a media file appropriately into the appropriate manager
- bool loadMedia(const std::string &data, const std::string &filename,
- bool from_media_push = false);
- // Send a request for conventional media transfer
- void request_media(const std::vector<std::string> &file_requests);
- LocalClientState getState() { return m_state; }
- void makeScreenshot();
- inline void pushToChatQueue(ChatMessage *cec)
- {
- m_chat_queue.push(cec);
- }
- ClientScripting *getScript() { return m_script; }
- bool modsLoaded() const { return m_mods_loaded; }
- void pushToEventQueue(ClientEvent *event);
- // IP and port we're connected to
- const Address getServerAddress();
- // Hostname of the connected server (but can also be a numerical IP)
- const std::string &getAddressName() const
- {
- return m_address_name;
- }
- inline u64 getCSMRestrictionFlags() const
- {
- return m_csm_restriction_flags;
- }
- inline bool checkCSMRestrictionFlag(CSMRestrictionFlags flag) const
- {
- return m_csm_restriction_flags & flag;
- }
- bool joinModChannel(const std::string &channel) override;
- bool leaveModChannel(const std::string &channel) override;
- bool sendModChannelMessage(const std::string &channel,
- const std::string &message) override;
- ModChannel *getModChannel(const std::string &channel) override;
- const std::string &getFormspecPrepend() const;
- inline MeshGrid getMeshGrid()
- {
- return m_mesh_grid;
- }
- bool inhibit_inventory_revert = false;
- private:
- void loadMods();
- // Virtual methods from con::PeerHandler
- void peerAdded(con::Peer *peer) override;
- void deletingPeer(con::Peer *peer, bool timeout) override;
- void initLocalMapSaving(const Address &address,
- const std::string &hostname,
- bool is_local_server);
- void ReceiveAll();
- void sendPlayerPos();
- void deleteAuthData();
- // helper method shared with clientpackethandler
- static AuthMechanism choseAuthMech(const u32 mechs);
- void sendInit(const std::string &playerName);
- void startAuth(AuthMechanism chosen_auth_mechanism);
- void sendDeletedBlocks(std::vector<v3s16> &blocks);
- void sendGotBlocks(const std::vector<v3s16> &blocks);
- void sendRemovedSounds(const std::vector<s32> &soundList);
- bool canSendChatMessage() const;
- // remove sounds attached to object
- void removeActiveObjectSounds(u16 id);
- float m_packetcounter_timer = 0.0f;
- float m_connection_reinit_timer = 0.1f;
- float m_avg_rtt_timer = 0.0f;
- float m_playerpos_send_timer = 0.0f;
- IntervalLimiter m_map_timer_and_unload_interval;
- IWritableTextureSource *m_tsrc;
- IWritableShaderSource *m_shsrc;
- IWritableItemDefManager *m_itemdef;
- NodeDefManager *m_nodedef;
- ISoundManager *m_sound;
- MtEventManager *m_event;
- RenderingEngine *m_rendering_engine;
- std::unique_ptr<MeshUpdateManager> m_mesh_update_manager;
- ClientEnvironment m_env;
- std::unique_ptr<ParticleManager> m_particle_manager;
- std::unique_ptr<con::Connection> m_con;
- std::string m_address_name;
- ELoginRegister m_allow_login_or_register = ELoginRegister::Any;
- Camera *m_camera = nullptr;
- Minimap *m_minimap = nullptr;
- // Server serialization version
- u8 m_server_ser_ver;
- // Used version of the protocol with server
- // Values smaller than 25 only mean they are smaller than 25,
- // and aren't accurate. We simply just don't know, because
- // the server didn't send the version back then.
- // If 0, server init hasn't been received yet.
- u16 m_proto_ver = 0;
- bool m_update_wielded_item = false;
- Inventory *m_inventory_from_server = nullptr;
- float m_inventory_from_server_age = 0.0f;
- PacketCounter m_packetcounter;
- // Block mesh animation parameters
- float m_animation_time = 0.0f;
- int m_crack_level = -1;
- v3s16 m_crack_pos;
- // 0 <= m_daynight_i < DAYNIGHT_CACHE_COUNT
- //s32 m_daynight_i;
- //u32 m_daynight_ratio;
- std::queue<std::wstring> m_out_chat_queue;
- u32 m_last_chat_message_sent;
- float m_chat_message_allowance = 5.0f;
- std::queue<ChatMessage *> m_chat_queue;
- // The authentication methods we can use to enter sudo mode (=change password)
- u32 m_sudo_auth_methods;
- // The seed returned by the server in TOCLIENT_INIT is stored here
- u64 m_map_seed = 0;
- // Auth data
- std::string m_playername;
- std::string m_password;
- // If set, this will be sent (and cleared) upon a TOCLIENT_ACCEPT_SUDO_MODE
- std::string m_new_password;
- // Usable by auth mechanisms.
- AuthMechanism m_chosen_auth_mech;
- void *m_auth_data = nullptr;
- bool m_access_denied = false;
- bool m_access_denied_reconnect = false;
- std::string m_access_denied_reason = "";
- std::queue<ClientEvent *> m_client_event_queue;
- bool m_itemdef_received = false;
- bool m_nodedef_received = false;
- bool m_activeobjects_received = false;
- bool m_mods_loaded = false;
- std::vector<std::string> m_remote_media_servers;
- // Media downloader, only exists during init
- ClientMediaDownloader *m_media_downloader;
- // Pending downloads of dynamic media (key: token)
- std::vector<std::pair<u32, std::shared_ptr<SingleMediaDownloader>>> m_pending_media_downloads;
- // time_of_day speed approximation for old protocol
- bool m_time_of_day_set = false;
- float m_last_time_of_day_f = -1.0f;
- float m_time_of_day_update_timer = 0.0f;
- // An interval for generally sending object positions and stuff
- float m_recommended_send_interval = 0.1f;
- // Sounds
- float m_removed_sounds_check_timer = 0.0f;
- // Mapping from server sound ids to our sound ids
- std::unordered_map<s32, sound_handle_t> m_sounds_server_to_client;
- // And the other way!
- // This takes ownership for the sound handles.
- std::unordered_map<sound_handle_t, s32> m_sounds_client_to_server;
- // Relation of client id to object id
- std::unordered_map<sound_handle_t, u16> m_sounds_to_objects;
- // Privileges
- std::unordered_set<std::string> m_privileges;
- // Detached inventories
- // key = name
- std::unordered_map<std::string, Inventory*> m_detached_inventories;
- // Storage for mesh data for creating multiple instances of the same mesh
- StringMap m_mesh_data;
- // own state
- LocalClientState m_state;
- GameUI *m_game_ui;
- // Used for saving server map to disk client-side
- MapDatabase *m_localdb = nullptr;
- IntervalLimiter m_localdb_save_interval;
- u16 m_cache_save_interval;
- // Client modding
- ClientScripting *m_script = nullptr;
- ModStorageDatabase *m_mod_storage_database = nullptr;
- float m_mod_storage_save_timer = 10.0f;
- std::vector<ModSpec> m_mods;
- StringMap m_mod_vfs;
- bool m_shutdown = false;
- // CSM restrictions byteflag
- u64 m_csm_restriction_flags = CSMRestrictionFlags::CSM_RF_NONE;
- u32 m_csm_restriction_noderange = 8;
- std::unique_ptr<ModChannelMgr> m_modchannel_mgr;
- // The number of blocks the client will combine for mesh generation.
- MeshGrid m_mesh_grid;
- };
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