src/client.h

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #ifndef CLIENT_HEADER
  21 #define CLIENT_HEADER
  22
  23 #include "network/connection.h"
  24 #include "clientenvironment.h"
  25 #include "irrlichttypes_extrabloated.h"
  26 #include <ostream>
  27 #include <map>
  28 #include <set>
  29 #include <vector>
  30 #include <unordered_set>
  31 #include "clientobject.h"
  32 #include "gamedef.h"
  33 #include "inventorymanager.h"
  34 #include "localplayer.h"
  35 #include "hud.h"
  36 #include "particles.h"
  37 #include "mapnode.h"
  38 #include "tileanimation.h"
  39 #include "mesh_generator_thread.h"
  40
  41 #define CLIENT_CHAT_MESSAGE_LIMIT_PER_10S 10.0f
  42
  43 struct MeshMakeData;
  44 class MapBlockMesh;
  45 class IWritableTextureSource;
  46 class IWritableShaderSource;
  47 class IWritableItemDefManager;
  48 class IWritableNodeDefManager;
  49 //class IWritableCraftDefManager;
  50 class ClientMediaDownloader;
  51 struct MapDrawControl;
  52 class MtEventManager;
  53 struct PointedThing;
  54 class MapDatabase;
  55 class Minimap;
  56 struct MinimapMapblock;
  57 class Camera;
  58 class NetworkPacket;
  59
  60 enum LocalClientState {
  61         LC_Created,
  62         LC_Init,
  63         LC_Ready
  64 };
  65
  66 enum ClientEventType
  67 {
  68         CE_NONE,
  69         CE_PLAYER_DAMAGE,
  70         CE_PLAYER_FORCE_MOVE,
  71         CE_DEATHSCREEN,
  72         CE_SHOW_FORMSPEC,
  73         CE_SHOW_LOCAL_FORMSPEC,
  74         CE_SPAWN_PARTICLE,
  75         CE_ADD_PARTICLESPAWNER,
  76         CE_DELETE_PARTICLESPAWNER,
  77         CE_HUDADD,
  78         CE_HUDRM,
  79         CE_HUDCHANGE,
  80         CE_SET_SKY,
  81         CE_OVERRIDE_DAY_NIGHT_RATIO,
  82         CE_CLOUD_PARAMS,
  83 };
  84
  85 struct ClientEvent
  86 {
  87         ClientEventType type;
  88         union{
  89                 //struct{
  90                 //} none;
  91                 struct{
  92                         u8 amount;
  93                 } player_damage;
  94                 struct{
  95                         f32 pitch;
  96                         f32 yaw;
  97                 } player_force_move;
  98                 struct{
  99                         bool set_camera_point_target;
 100                         f32 camera_point_target_x;
 101                         f32 camera_point_target_y;
 102                         f32 camera_point_target_z;
 103                 } deathscreen;
 104                 struct{
 105                         std::string *formspec;
 106                         std::string *formname;
 107                 } show_formspec;
 108                 //struct{
 109                 //} textures_updated;
 110                 struct{
 111                         v3f *pos;
 112                         v3f *vel;
 113                         v3f *acc;
 114                         f32 expirationtime;
 115                         f32 size;
 116                         bool collisiondetection;
 117                         bool collision_removal;
 118                         bool vertical;
 119                         std::string *texture;
 120                         struct TileAnimationParams animation;
 121                         u8 glow;
 122                 } spawn_particle;
 123                 struct{
 124                         u16 amount;
 125                         f32 spawntime;
 126                         v3f *minpos;
 127                         v3f *maxpos;
 128                         v3f *minvel;
 129                         v3f *maxvel;
 130                         v3f *minacc;
 131                         v3f *maxacc;
 132                         f32 minexptime;
 133                         f32 maxexptime;
 134                         f32 minsize;
 135                         f32 maxsize;
 136                         bool collisiondetection;
 137                         bool collision_removal;
 138                         u16 attached_id;
 139                         bool vertical;
 140                         std::string *texture;
 141                         u32 id;
 142                         struct TileAnimationParams animation;
 143                         u8 glow;
 144                 } add_particlespawner;
 145                 struct{
 146                         u32 id;
 147                 } delete_particlespawner;
 148                 struct{
 149                         u32 id;
 150                         u8 type;
 151                         v2f *pos;
 152                         std::string *name;
 153                         v2f *scale;
 154                         std::string *text;
 155                         u32 number;
 156                         u32 item;
 157                         u32 dir;
 158                         v2f *align;
 159                         v2f *offset;
 160                         v3f *world_pos;
 161                         v2s32 * size;
 162                 } hudadd;
 163                 struct{
 164                         u32 id;
 165                 } hudrm;
 166                 struct{
 167                         u32 id;
 168                         HudElementStat stat;
 169                         v2f *v2fdata;
 170                         std::string *sdata;
 171                         u32 data;
 172                         v3f *v3fdata;
 173                         v2s32 * v2s32data;
 174                 } hudchange;
 175                 struct{
 176                         video::SColor *bgcolor;
 177                         std::string *type;
 178                         std::vector<std::string> *params;
 179                         bool clouds;
 180                 } set_sky;
 181                 struct{
 182                         bool do_override;
 183                         float ratio_f;
 184                 } override_day_night_ratio;
 185                 struct {
 186                         f32 density;
 187                         u32 color_bright;
 188                         u32 color_ambient;
 189                         f32 height;
 190                         f32 thickness;
 191                         f32 speed_x;
 192                         f32 speed_y;
 193                 } cloud_params;
 194         };
 195 };
 196
 197 /*
 198         Packet counter
 199 */
 200
 201 class PacketCounter
 202 {
 203 public:
 204         PacketCounter()
 205         {
 206         }
 207
 208         void add(u16 command)
 209         {
 210                 std::map<u16, u16>::iterator n = m_packets.find(command);
 211                 if(n == m_packets.end())
 212                 {
 213                         m_packets[command] = 1;
 214                 }
 215                 else
 216                 {
 217                         n->second++;
 218                 }
 219         }
 220
 221         void clear()
 222         {
 223                 for(std::map<u16, u16>::iterator
 224                                 i = m_packets.begin();
 225                                 i != m_packets.end(); ++i)
 226                 {
 227                         i->second = 0;
 228                 }
 229         }
 230
 231         void print(std::ostream &o)
 232         {
 233                 for(std::map<u16, u16>::iterator
 234                                 i = m_packets.begin();
 235                                 i != m_packets.end(); ++i)
 236                 {
 237                         o<<"cmd "<<i->first
 238                                         <<" count "<<i->second
 239                                         <<std::endl;
 240                 }
 241         }
 242
 243 private:
 244         // command, count
 245         std::map<u16, u16> m_packets;
 246 };
 247
 248 class ClientScripting;
 249 struct GameUIFlags;
 250
 251 class Client : public con::PeerHandler, public InventoryManager, public IGameDef
 252 {
 253 public:
 254         /*
 255                 NOTE: Nothing is thread-safe here.
 256         */
 257
 258         Client(
 259                         IrrlichtDevice *device,
 260                         const char *playername,
 261                         const std::string &password,
 262                         const std::string &address_name,
 263                         MapDrawControl &control,
 264                         IWritableTextureSource *tsrc,
 265                         IWritableShaderSource *shsrc,
 266                         IWritableItemDefManager *itemdef,
 267                         IWritableNodeDefManager *nodedef,
 268                         ISoundManager *sound,
 269                         MtEventManager *event,
 270                         bool ipv6,
 271                         GameUIFlags *game_ui_flags
 272         );
 273
 274         ~Client();
 275         DISABLE_CLASS_COPY(Client);
 276
 277         void initMods();
 278
 279         /*
 280          request all threads managed by client to be stopped
 281          */
 282         void Stop();
 283
 284
 285         bool isShutdown();
 286
 287         /*
 288                 The name of the local player should already be set when
 289                 calling this, as it is sent in the initialization.
 290         */
 291         void connect(Address address, bool is_local_server);
 292
 293         /*
 294                 Stuff that references the environment is valid only as
 295                 long as this is not called. (eg. Players)
 296                 If this throws a PeerNotFoundException, the connection has
 297                 timed out.
 298         */
 299         void step(float dtime);
 300
 301         /*
 302          * Command Handlers
 303          */
 304
 305         void handleCommand(NetworkPacket* pkt);
 306
 307         void handleCommand_Null(NetworkPacket* pkt) {};
 308         void handleCommand_Deprecated(NetworkPacket* pkt);
 309         void handleCommand_Hello(NetworkPacket* pkt);
 310         void handleCommand_AuthAccept(NetworkPacket* pkt);
 311         void handleCommand_AcceptSudoMode(NetworkPacket* pkt);
 312         void handleCommand_DenySudoMode(NetworkPacket* pkt);
 313         void handleCommand_InitLegacy(NetworkPacket* pkt);
 314         void handleCommand_AccessDenied(NetworkPacket* pkt);
 315         void handleCommand_RemoveNode(NetworkPacket* pkt);
 316         void handleCommand_AddNode(NetworkPacket* pkt);
 317         void handleCommand_BlockData(NetworkPacket* pkt);
 318         void handleCommand_Inventory(NetworkPacket* pkt);
 319         void handleCommand_TimeOfDay(NetworkPacket* pkt);
 320         void handleCommand_ChatMessage(NetworkPacket* pkt);
 321         void handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt);
 322         void handleCommand_ActiveObjectMessages(NetworkPacket* pkt);
 323         void handleCommand_Movement(NetworkPacket* pkt);
 324         void handleCommand_HP(NetworkPacket* pkt);
 325         void handleCommand_Breath(NetworkPacket* pkt);
 326         void handleCommand_MovePlayer(NetworkPacket* pkt);
 327         void handleCommand_DeathScreen(NetworkPacket* pkt);
 328         void handleCommand_AnnounceMedia(NetworkPacket* pkt);
 329         void handleCommand_Media(NetworkPacket* pkt);
 330         void handleCommand_NodeDef(NetworkPacket* pkt);
 331         void handleCommand_ItemDef(NetworkPacket* pkt);
 332         void handleCommand_PlaySound(NetworkPacket* pkt);
 333         void handleCommand_StopSound(NetworkPacket* pkt);
 334         void handleCommand_FadeSound(NetworkPacket *pkt);
 335         void handleCommand_Privileges(NetworkPacket* pkt);
 336         void handleCommand_InventoryFormSpec(NetworkPacket* pkt);
 337         void handleCommand_DetachedInventory(NetworkPacket* pkt);
 338         void handleCommand_ShowFormSpec(NetworkPacket* pkt);
 339         void handleCommand_SpawnParticle(NetworkPacket* pkt);
 340         void handleCommand_AddParticleSpawner(NetworkPacket* pkt);
 341         void handleCommand_DeleteParticleSpawner(NetworkPacket* pkt);
 342         void handleCommand_HudAdd(NetworkPacket* pkt);
 343         void handleCommand_HudRemove(NetworkPacket* pkt);
 344         void handleCommand_HudChange(NetworkPacket* pkt);
 345         void handleCommand_HudSetFlags(NetworkPacket* pkt);
 346         void handleCommand_HudSetParam(NetworkPacket* pkt);
 347         void handleCommand_HudSetSky(NetworkPacket* pkt);
 348         void handleCommand_CloudParams(NetworkPacket* pkt);
 349         void handleCommand_OverrideDayNightRatio(NetworkPacket* pkt);
 350         void handleCommand_LocalPlayerAnimations(NetworkPacket* pkt);
 351         void handleCommand_EyeOffset(NetworkPacket* pkt);
 352         void handleCommand_UpdatePlayerList(NetworkPacket* pkt);
 353         void handleCommand_SrpBytesSandB(NetworkPacket* pkt);
 354
 355         void ProcessData(NetworkPacket *pkt);
 356
 357         void Send(NetworkPacket* pkt);
 358
 359         void interact(u8 action, const PointedThing& pointed);
 360
 361         void sendNodemetaFields(v3s16 p, const std::string &formname,
 362                 const StringMap &fields);
 363         void sendInventoryFields(const std::string &formname,
 364                 const StringMap &fields);
 365         void sendInventoryAction(InventoryAction *a);
 366         void sendChatMessage(const std::wstring &message);
 367         void clearOutChatQueue();
 368         void sendChangePassword(const std::string &oldpassword,
 369                 const std::string &newpassword);
 370         void sendDamage(u8 damage);
 371         void sendBreath(u16 breath);
 372         void sendRespawn();
 373         void sendReady();
 374
 375         ClientEnvironment& getEnv() { return m_env; }
 376         ITextureSource *tsrc() { return getTextureSource(); }
 377         ISoundManager *sound() { return getSoundManager(); }
 378         static const std::string &getBuiltinLuaPath();
 379         static const std::string &getClientModsLuaPath();
 380
 381         virtual const std::vector<ModSpec> &getMods() const;
 382         virtual const ModSpec* getModSpec(const std::string &modname) const;
 383
 384         // Causes urgent mesh updates (unlike Map::add/removeNodeWithEvent)
 385         void removeNode(v3s16 p);
 386         MapNode getNode(v3s16 p, bool *is_valid_position);
 387         void addNode(v3s16 p, MapNode n, bool remove_metadata = true);
 388
 389         void setPlayerControl(PlayerControl &control);
 390
 391         void selectPlayerItem(u16 item);
 392         u16 getPlayerItem() const
 393         { return m_playeritem; }
 394
 395         // Returns true if the inventory of the local player has been
 396         // updated from the server. If it is true, it is set to false.
 397         bool getLocalInventoryUpdated();
 398         // Copies the inventory of the local player to parameter
 399         void getLocalInventory(Inventory &dst);
 400
 401         /* InventoryManager interface */
 402         Inventory* getInventory(const InventoryLocation &loc);
 403         void inventoryAction(InventoryAction *a);
 404
 405         const std::list<std::string> &getConnectedPlayerNames()
 406         {
 407                 return m_env.getPlayerNames();
 408         }
 409
 410         float getAnimationTime();
 411
 412         int getCrackLevel();
 413         v3s16 getCrackPos();
 414         void setCrack(int level, v3s16 pos);
 415
 416         u16 getHP();
 417
 418         bool checkPrivilege(const std::string &priv) const
 419         { return (m_privileges.count(priv) != 0); }
 420
 421         const std::unordered_set<std::string> &getPrivilegeList() const
 422         { return m_privileges; }
 423
 424         bool getChatMessage(std::wstring &message);
 425         void typeChatMessage(const std::wstring& message);
 426
 427         u64 getMapSeed(){ return m_map_seed; }
 428
 429         void addUpdateMeshTask(v3s16 blockpos, bool ack_to_server=false, bool urgent=false);
 430         // Including blocks at appropriate edges
 431         void addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server=false, bool urgent=false);
 432         void addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server=false, bool urgent=false);
 433
 434         void updateCameraOffset(v3s16 camera_offset)
 435         { m_mesh_update_thread.m_camera_offset = camera_offset; }
 436
 437         bool hasClientEvents() const { return !m_client_event_queue.empty(); }
 438         // Get event from queue. If queue is empty, it triggers an assertion failure.
 439         ClientEvent getClientEvent();
 440
 441         bool accessDenied() const { return m_access_denied; }
 442
 443         bool reconnectRequested() const { return m_access_denied_reconnect; }
 444
 445         void setFatalError(const std::string &reason)
 446         {
 447                 m_access_denied = true;
 448                 m_access_denied_reason = reason;
 449         }
 450
 451         // Renaming accessDeniedReason to better name could be good as it's used to
 452         // disconnect client when CSM failed.
 453         const std::string &accessDeniedReason() const { return m_access_denied_reason; }
 454
 455         bool itemdefReceived()
 456         { return m_itemdef_received; }
 457         bool nodedefReceived()
 458         { return m_nodedef_received; }
 459         bool mediaReceived()
 460         { return m_media_downloader == NULL; }
 461
 462         u8 getProtoVersion()
 463         { return m_proto_ver; }
 464
 465         bool connectedToServer()
 466         { return m_con.Connected(); }
 467
 468         float mediaReceiveProgress();
 469
 470         void afterContentReceived(IrrlichtDevice *device);
 471
 472         float getRTT();
 473         float getCurRate();
 474
 475         Minimap* getMinimap() { return m_minimap; }
 476         void setCamera(Camera* camera) { m_camera = camera; }
 477
 478         Camera* getCamera () { return m_camera; }
 479
 480         bool shouldShowMinimap() const;
 481
 482         // IGameDef interface
 483         virtual IItemDefManager* getItemDefManager();
 484         virtual INodeDefManager* getNodeDefManager();
 485         virtual ICraftDefManager* getCraftDefManager();
 486         ITextureSource* getTextureSource();
 487         virtual IShaderSource* getShaderSource();
 488         IShaderSource *shsrc() { return getShaderSource(); }
 489         scene::ISceneManager* getSceneManager();
 490         virtual u16 allocateUnknownNodeId(const std::string &name);
 491         virtual ISoundManager* getSoundManager();
 492         virtual MtEventManager* getEventManager();
 493         virtual ParticleManager* getParticleManager();
 494         bool checkLocalPrivilege(const std::string &priv)
 495         { return checkPrivilege(priv); }
 496         virtual scene::IAnimatedMesh* getMesh(const std::string &filename);
 497
 498         virtual std::string getModStoragePath() const;
 499         virtual bool registerModStorage(ModMetadata *meta);
 500         virtual void unregisterModStorage(const std::string &name);
 501
 502         // The following set of functions is used by ClientMediaDownloader
 503         // Insert a media file appropriately into the appropriate manager
 504         bool loadMedia(const std::string &data, const std::string &filename);
 505         // Send a request for conventional media transfer
 506         void request_media(const std::vector<std::string> &file_requests);
 507
 508         LocalClientState getState() { return m_state; }
 509
 510         void makeScreenshot(IrrlichtDevice *device);
 511
 512         inline void pushToChatQueue(const std::wstring &input)
 513         {
 514                 m_chat_queue.push(input);
 515         }
 516
 517         ClientScripting *getScript() { return m_script; }
 518         const bool moddingEnabled() const { return m_modding_enabled; }
 519
 520         inline void pushToEventQueue(const ClientEvent &event)
 521         {
 522                 m_client_event_queue.push(event);
 523         }
 524
 525         void showGameChat(const bool show = true);
 526         void showGameHud(const bool show = true);
 527         void showMinimap(const bool show = true);
 528         void showProfiler(const bool show = true);
 529         void showGameFog(const bool show = true);
 530         void showGameDebug(const bool show = true);
 531
 532         IrrlichtDevice *getDevice() const { return m_device; }
 533
 534         const Address getServerAddress()
 535         {
 536                 return m_con.GetPeerAddress(PEER_ID_SERVER);
 537         }
 538
 539         const std::string &getAddressName() const
 540         {
 541                 return m_address_name;
 542         }
 543
 544 private:
 545
 546         // Virtual methods from con::PeerHandler
 547         void peerAdded(con::Peer *peer);
 548         void deletingPeer(con::Peer *peer, bool timeout);
 549
 550         void initLocalMapSaving(const Address &address,
 551                         const std::string &hostname,
 552                         bool is_local_server);
 553
 554         void ReceiveAll();
 555         void Receive();
 556
 557         void sendPlayerPos();
 558         // Send the item number 'item' as player item to the server
 559         void sendPlayerItem(u16 item);
 560
 561         void deleteAuthData();
 562         // helper method shared with clientpackethandler
 563         static AuthMechanism choseAuthMech(const u32 mechs);
 564
 565         void sendLegacyInit(const char* playerName, const char* playerPassword);
 566         void sendInit(const std::string &playerName);
 567         void startAuth(AuthMechanism chosen_auth_mechanism);
 568         void sendDeletedBlocks(std::vector<v3s16> &blocks);
 569         void sendGotBlocks(v3s16 block);
 570         void sendRemovedSounds(std::vector<s32> &soundList);
 571
 572         // Helper function
 573         inline std::string getPlayerName()
 574         { return m_env.getLocalPlayer()->getName(); }
 575
 576         bool canSendChatMessage() const;
 577
 578         float m_packetcounter_timer;
 579         float m_connection_reinit_timer;
 580         float m_avg_rtt_timer;
 581         float m_playerpos_send_timer;
 582         float m_ignore_damage_timer; // Used after server moves player
 583         IntervalLimiter m_map_timer_and_unload_interval;
 584
 585         IWritableTextureSource *m_tsrc;
 586         IWritableShaderSource *m_shsrc;
 587         IWritableItemDefManager *m_itemdef;
 588         IWritableNodeDefManager *m_nodedef;
 589         ISoundManager *m_sound;
 590         MtEventManager *m_event;
 591
 592
 593         MeshUpdateThread m_mesh_update_thread;
 594         ClientEnvironment m_env;
 595         ParticleManager m_particle_manager;
 596         con::Connection m_con;
 597         std::string m_address_name;
 598         IrrlichtDevice *m_device;
 599         Camera *m_camera;
 600         Minimap *m_minimap;
 601         bool m_minimap_disabled_by_server;
 602         // Server serialization version
 603         u8 m_server_ser_ver;
 604
 605         // Used version of the protocol with server
 606         // Values smaller than 25 only mean they are smaller than 25,
 607         // and aren't accurate. We simply just don't know, because
 608         // the server didn't send the version back then.
 609         // If 0, server init hasn't been received yet.
 610         u8 m_proto_ver;
 611
 612         u16 m_playeritem;
 613         bool m_inventory_updated;
 614         Inventory *m_inventory_from_server;
 615         float m_inventory_from_server_age;
 616         PacketCounter m_packetcounter;
 617         // Block mesh animation parameters
 618         float m_animation_time;
 619         int m_crack_level;
 620         v3s16 m_crack_pos;
 621         // 0 <= m_daynight_i < DAYNIGHT_CACHE_COUNT
 622         //s32 m_daynight_i;
 623         //u32 m_daynight_ratio;
 624         std::queue<std::wstring> m_chat_queue;
 625         std::queue<std::wstring> m_out_chat_queue;
 626         u32 m_last_chat_message_sent;
 627         float m_chat_message_allowance;
 628
 629         // The authentication methods we can use to enter sudo mode (=change password)
 630         u32 m_sudo_auth_methods;
 631
 632         // The seed returned by the server in TOCLIENT_INIT is stored here
 633         u64 m_map_seed;
 634
 635         // Auth data
 636         std::string m_playername;
 637         std::string m_password;
 638         // If set, this will be sent (and cleared) upon a TOCLIENT_ACCEPT_SUDO_MODE
 639         std::string m_new_password;
 640         // Usable by auth mechanisms.
 641         AuthMechanism m_chosen_auth_mech;
 642         void * m_auth_data;
 643
 644
 645         bool m_access_denied;
 646         bool m_access_denied_reconnect;
 647         std::string m_access_denied_reason;
 648         std::queue<ClientEvent> m_client_event_queue;
 649         bool m_itemdef_received;
 650         bool m_nodedef_received;
 651         ClientMediaDownloader *m_media_downloader;
 652
 653         // time_of_day speed approximation for old protocol
 654         bool m_time_of_day_set;
 655         float m_last_time_of_day_f;
 656         float m_time_of_day_update_timer;
 657
 658         // An interval for generally sending object positions and stuff
 659         float m_recommended_send_interval;
 660
 661         // Sounds
 662         float m_removed_sounds_check_timer;
 663         // Mapping from server sound ids to our sound ids
 664         std::unordered_map<s32, int> m_sounds_server_to_client;
 665         // And the other way!
 666         std::unordered_map<int, s32> m_sounds_client_to_server;
 667         // And relations to objects
 668         std::unordered_map<int, u16> m_sounds_to_objects;
 669
 670         // Privileges
 671         std::unordered_set<std::string> m_privileges;
 672
 673         // Detached inventories
 674         // key = name
 675         std::unordered_map<std::string, Inventory*> m_detached_inventories;
 676
 677         // Storage for mesh data for creating multiple instances of the same mesh
 678         StringMap m_mesh_data;
 679
 680         // own state
 681         LocalClientState m_state;
 682
 683         // Used for saving server map to disk client-side
 684         MapDatabase *m_localdb;
 685         IntervalLimiter m_localdb_save_interval;
 686         u16 m_cache_save_interval;
 687
 688         ClientScripting *m_script;
 689         bool m_modding_enabled;
 690         std::unordered_map<std::string, ModMetadata *> m_mod_storages;
 691         float m_mod_storage_save_timer;
 692         GameUIFlags *m_game_ui_flags;
 693
 694         bool m_shutdown;
 695 };
 696
 697 #endif // !CLIENT_HEADER