3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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.
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.
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.
22 #include "clientenvironment.h"
23 #include "irrlichttypes_extrabloated.h"
28 #include <unordered_set>
29 #include "clientobject.h"
31 #include "inventorymanager.h"
32 #include "localplayer.h"
33 #include "client/hud.h"
34 #include "particles.h"
36 #include "tileanimation.h"
37 #include "mesh_generator_thread.h"
38 #include "network/address.h"
39 #include "network/peerhandler.h"
42 #define CLIENT_CHAT_MESSAGE_LIMIT_PER_10S 10.0f
48 class IWritableTextureSource;
49 class IWritableShaderSource;
50 class IWritableItemDefManager;
51 class IWritableNodeDefManager;
52 //class IWritableCraftDefManager;
53 class ClientMediaDownloader;
54 struct MapDrawControl;
60 struct MinimapMapblock;
67 enum LocalClientState {
80 PacketCounter() = default;
84 std::map<u16, u16>::iterator n = m_packets.find(command);
85 if(n == m_packets.end())
87 m_packets[command] = 1;
97 for (auto &m_packet : m_packets) {
102 void print(std::ostream &o)
104 for (const auto &m_packet : m_packets) {
105 o << "cmd "<< m_packet.first <<" count "<< m_packet.second << std::endl;
111 std::map<u16, u16> m_packets;
114 class ClientScripting;
117 class Client : public con::PeerHandler, public InventoryManager, public IGameDef
121 NOTE: Nothing is thread-safe here.
125 const char *playername,
126 const std::string &password,
127 const std::string &address_name,
128 MapDrawControl &control,
129 IWritableTextureSource *tsrc,
130 IWritableShaderSource *shsrc,
131 IWritableItemDefManager *itemdef,
132 IWritableNodeDefManager *nodedef,
133 ISoundManager *sound,
134 MtEventManager *event,
140 DISABLE_CLASS_COPY(Client);
142 // Load local mods into memory
144 void scanModSubfolder(const std::string &mod_name, const std::string &mod_path,
145 std::string mod_subpath);
146 inline void scanModIntoMemory(const std::string &mod_name, const std::string &mod_path)
148 scanModSubfolder(mod_name, mod_path, "");
152 request all threads managed by client to be stopped
160 The name of the local player should already be set when
161 calling this, as it is sent in the initialization.
163 void connect(Address address, bool is_local_server);
166 Stuff that references the environment is valid only as
167 long as this is not called. (eg. Players)
168 If this throws a PeerNotFoundException, the connection has
171 void step(float dtime);
177 void handleCommand(NetworkPacket* pkt);
179 void handleCommand_Null(NetworkPacket* pkt) {};
180 void handleCommand_Deprecated(NetworkPacket* pkt);
181 void handleCommand_Hello(NetworkPacket* pkt);
182 void handleCommand_AuthAccept(NetworkPacket* pkt);
183 void handleCommand_AcceptSudoMode(NetworkPacket* pkt);
184 void handleCommand_DenySudoMode(NetworkPacket* pkt);
185 void handleCommand_AccessDenied(NetworkPacket* pkt);
186 void handleCommand_RemoveNode(NetworkPacket* pkt);
187 void handleCommand_AddNode(NetworkPacket* pkt);
188 void handleCommand_BlockData(NetworkPacket* pkt);
189 void handleCommand_Inventory(NetworkPacket* pkt);
190 void handleCommand_TimeOfDay(NetworkPacket* pkt);
191 void handleCommand_ChatMessageOld(NetworkPacket *pkt);
192 void handleCommand_ChatMessage(NetworkPacket *pkt);
193 void handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt);
194 void handleCommand_ActiveObjectMessages(NetworkPacket* pkt);
195 void handleCommand_Movement(NetworkPacket* pkt);
196 void handleCommand_HP(NetworkPacket* pkt);
197 void handleCommand_Breath(NetworkPacket* pkt);
198 void handleCommand_MovePlayer(NetworkPacket* pkt);
199 void handleCommand_DeathScreen(NetworkPacket* pkt);
200 void handleCommand_AnnounceMedia(NetworkPacket* pkt);
201 void handleCommand_Media(NetworkPacket* pkt);
202 void handleCommand_NodeDef(NetworkPacket* pkt);
203 void handleCommand_ItemDef(NetworkPacket* pkt);
204 void handleCommand_PlaySound(NetworkPacket* pkt);
205 void handleCommand_StopSound(NetworkPacket* pkt);
206 void handleCommand_FadeSound(NetworkPacket *pkt);
207 void handleCommand_Privileges(NetworkPacket* pkt);
208 void handleCommand_InventoryFormSpec(NetworkPacket* pkt);
209 void handleCommand_DetachedInventory(NetworkPacket* pkt);
210 void handleCommand_ShowFormSpec(NetworkPacket* pkt);
211 void handleCommand_SpawnParticle(NetworkPacket* pkt);
212 void handleCommand_AddParticleSpawner(NetworkPacket* pkt);
213 void handleCommand_DeleteParticleSpawner(NetworkPacket* pkt);
214 void handleCommand_HudAdd(NetworkPacket* pkt);
215 void handleCommand_HudRemove(NetworkPacket* pkt);
216 void handleCommand_HudChange(NetworkPacket* pkt);
217 void handleCommand_HudSetFlags(NetworkPacket* pkt);
218 void handleCommand_HudSetParam(NetworkPacket* pkt);
219 void handleCommand_HudSetSky(NetworkPacket* pkt);
220 void handleCommand_CloudParams(NetworkPacket* pkt);
221 void handleCommand_OverrideDayNightRatio(NetworkPacket* pkt);
222 void handleCommand_LocalPlayerAnimations(NetworkPacket* pkt);
223 void handleCommand_EyeOffset(NetworkPacket* pkt);
224 void handleCommand_UpdatePlayerList(NetworkPacket* pkt);
225 void handleCommand_ModChannelMsg(NetworkPacket *pkt);
226 void handleCommand_ModChannelSignal(NetworkPacket *pkt);
227 void handleCommand_SrpBytesSandB(NetworkPacket* pkt);
228 void handleCommand_CSMFlavourLimits(NetworkPacket *pkt);
230 void ProcessData(NetworkPacket *pkt);
232 void Send(NetworkPacket* pkt);
234 void interact(u8 action, const PointedThing& pointed);
236 void sendNodemetaFields(v3s16 p, const std::string &formname,
237 const StringMap &fields);
238 void sendInventoryFields(const std::string &formname,
239 const StringMap &fields);
240 void sendInventoryAction(InventoryAction *a);
241 void sendChatMessage(const std::wstring &message);
242 void clearOutChatQueue();
243 void sendChangePassword(const std::string &oldpassword,
244 const std::string &newpassword);
245 void sendDamage(u8 damage);
249 ClientEnvironment& getEnv() { return m_env; }
250 ITextureSource *tsrc() { return getTextureSource(); }
251 ISoundManager *sound() { return getSoundManager(); }
252 static const std::string &getBuiltinLuaPath();
253 static const std::string &getClientModsLuaPath();
255 virtual const std::vector<ModSpec> &getMods() const;
256 virtual const ModSpec* getModSpec(const std::string &modname) const;
258 // Causes urgent mesh updates (unlike Map::add/removeNodeWithEvent)
259 void removeNode(v3s16 p);
262 * Helper function for Client Side Modding
263 * Flavour is applied there, this should not be used for core engine
265 * @param is_valid_position
268 MapNode getNode(v3s16 p, bool *is_valid_position);
269 void addNode(v3s16 p, MapNode n, bool remove_metadata = true);
271 void setPlayerControl(PlayerControl &control);
273 void selectPlayerItem(u16 item);
274 u16 getPlayerItem() const
275 { return m_playeritem; }
277 // Returns true if the inventory of the local player has been
278 // updated from the server. If it is true, it is set to false.
279 bool getLocalInventoryUpdated();
280 // Copies the inventory of the local player to parameter
281 void getLocalInventory(Inventory &dst);
283 /* InventoryManager interface */
284 Inventory* getInventory(const InventoryLocation &loc);
285 void inventoryAction(InventoryAction *a);
287 const std::list<std::string> &getConnectedPlayerNames()
289 return m_env.getPlayerNames();
292 float getAnimationTime();
296 void setCrack(int level, v3s16 pos);
300 bool checkPrivilege(const std::string &priv) const
301 { return (m_privileges.count(priv) != 0); }
303 const std::unordered_set<std::string> &getPrivilegeList() const
304 { return m_privileges; }
306 bool getChatMessage(std::wstring &message);
307 void typeChatMessage(const std::wstring& message);
309 u64 getMapSeed(){ return m_map_seed; }
311 void addUpdateMeshTask(v3s16 blockpos, bool ack_to_server=false, bool urgent=false);
312 // Including blocks at appropriate edges
313 void addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server=false, bool urgent=false);
314 void addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server=false, bool urgent=false);
316 void updateCameraOffset(v3s16 camera_offset)
317 { m_mesh_update_thread.m_camera_offset = camera_offset; }
319 bool hasClientEvents() const { return !m_client_event_queue.empty(); }
320 // Get event from queue. If queue is empty, it triggers an assertion failure.
321 ClientEvent * getClientEvent();
323 bool accessDenied() const { return m_access_denied; }
325 bool reconnectRequested() const { return m_access_denied_reconnect; }
327 void setFatalError(const std::string &reason)
329 m_access_denied = true;
330 m_access_denied_reason = reason;
333 // Renaming accessDeniedReason to better name could be good as it's used to
334 // disconnect client when CSM failed.
335 const std::string &accessDeniedReason() const { return m_access_denied_reason; }
337 bool itemdefReceived()
338 { return m_itemdef_received; }
339 bool nodedefReceived()
340 { return m_nodedef_received; }
342 { return !m_media_downloader; }
345 { return m_proto_ver; }
347 bool connectedToServer();
348 void confirmRegistration();
349 bool m_is_registration_confirmation_state = false;
350 bool m_simple_singleplayer_mode;
352 float mediaReceiveProgress();
354 void afterContentReceived();
359 Minimap* getMinimap() { return m_minimap; }
360 void setCamera(Camera* camera) { m_camera = camera; }
362 Camera* getCamera () { return m_camera; }
364 bool shouldShowMinimap() const;
366 // IGameDef interface
367 virtual IItemDefManager* getItemDefManager();
368 virtual INodeDefManager* getNodeDefManager();
369 virtual ICraftDefManager* getCraftDefManager();
370 ITextureSource* getTextureSource();
371 virtual IShaderSource* getShaderSource();
372 IShaderSource *shsrc() { return getShaderSource(); }
373 virtual u16 allocateUnknownNodeId(const std::string &name);
374 virtual ISoundManager* getSoundManager();
375 virtual MtEventManager* getEventManager();
376 virtual ParticleManager* getParticleManager();
377 bool checkLocalPrivilege(const std::string &priv)
378 { return checkPrivilege(priv); }
379 virtual scene::IAnimatedMesh* getMesh(const std::string &filename, bool cache = false);
380 const std::string* getModFile(const std::string &filename);
382 virtual std::string getModStoragePath() const;
383 virtual bool registerModStorage(ModMetadata *meta);
384 virtual void unregisterModStorage(const std::string &name);
386 // The following set of functions is used by ClientMediaDownloader
387 // Insert a media file appropriately into the appropriate manager
388 bool loadMedia(const std::string &data, const std::string &filename);
389 // Send a request for conventional media transfer
390 void request_media(const std::vector<std::string> &file_requests);
392 LocalClientState getState() { return m_state; }
394 void makeScreenshot();
396 inline void pushToChatQueue(ChatMessage *cec)
398 m_chat_queue.push(cec);
401 ClientScripting *getScript() { return m_script; }
402 const bool moddingEnabled() const { return m_modding_enabled; }
404 void pushToEventQueue(ClientEvent *event);
406 void showMinimap(bool show = true);
408 const Address getServerAddress();
410 const std::string &getAddressName() const
412 return m_address_name;
415 inline bool checkCSMFlavourLimit(CSMFlavourLimit flag) const
417 return m_csm_flavour_limits & flag;
420 u32 getCSMNodeRangeLimit() const
422 return m_csm_noderange_limit;
425 bool joinModChannel(const std::string &channel);
426 bool leaveModChannel(const std::string &channel);
427 bool sendModChannelMessage(const std::string &channel, const std::string &message);
428 ModChannel *getModChannel(const std::string &channel);
432 bool checkBuiltinIntegrity();
434 // Virtual methods from con::PeerHandler
435 void peerAdded(con::Peer *peer);
436 void deletingPeer(con::Peer *peer, bool timeout);
438 void initLocalMapSaving(const Address &address,
439 const std::string &hostname,
440 bool is_local_server);
445 void sendPlayerPos();
446 // Send the item number 'item' as player item to the server
447 void sendPlayerItem(u16 item);
449 void deleteAuthData();
450 // helper method shared with clientpackethandler
451 static AuthMechanism choseAuthMech(const u32 mechs);
453 void sendInit(const std::string &playerName);
454 void promptConfirmRegistration(AuthMechanism chosen_auth_mechanism);
455 void startAuth(AuthMechanism chosen_auth_mechanism);
456 void sendDeletedBlocks(std::vector<v3s16> &blocks);
457 void sendGotBlocks(v3s16 block);
458 void sendRemovedSounds(std::vector<s32> &soundList);
461 inline std::string getPlayerName()
462 { return m_env.getLocalPlayer()->getName(); }
464 bool canSendChatMessage() const;
466 float m_packetcounter_timer = 0.0f;
467 float m_connection_reinit_timer = 0.1f;
468 float m_avg_rtt_timer = 0.0f;
469 float m_playerpos_send_timer = 0.0f;
470 IntervalLimiter m_map_timer_and_unload_interval;
472 IWritableTextureSource *m_tsrc;
473 IWritableShaderSource *m_shsrc;
474 IWritableItemDefManager *m_itemdef;
475 IWritableNodeDefManager *m_nodedef;
476 ISoundManager *m_sound;
477 MtEventManager *m_event;
480 MeshUpdateThread m_mesh_update_thread;
481 ClientEnvironment m_env;
482 ParticleManager m_particle_manager;
483 std::unique_ptr<con::Connection> m_con;
484 std::string m_address_name;
485 Camera *m_camera = nullptr;
486 Minimap *m_minimap = nullptr;
487 bool m_minimap_disabled_by_server = false;
488 // Server serialization version
491 // Used version of the protocol with server
492 // Values smaller than 25 only mean they are smaller than 25,
493 // and aren't accurate. We simply just don't know, because
494 // the server didn't send the version back then.
495 // If 0, server init hasn't been received yet.
498 u16 m_playeritem = 0;
499 bool m_inventory_updated = false;
500 Inventory *m_inventory_from_server = nullptr;
501 float m_inventory_from_server_age = 0.0f;
502 PacketCounter m_packetcounter;
503 // Block mesh animation parameters
504 float m_animation_time = 0.0f;
505 int m_crack_level = -1;
507 // 0 <= m_daynight_i < DAYNIGHT_CACHE_COUNT
509 //u32 m_daynight_ratio;
510 std::queue<std::wstring> m_out_chat_queue;
511 u32 m_last_chat_message_sent;
512 float m_chat_message_allowance = 5.0f;
513 std::queue<ChatMessage *> m_chat_queue;
515 // The authentication methods we can use to enter sudo mode (=change password)
516 u32 m_sudo_auth_methods;
518 // The seed returned by the server in TOCLIENT_INIT is stored here
522 std::string m_playername;
523 std::string m_password;
524 // If set, this will be sent (and cleared) upon a TOCLIENT_ACCEPT_SUDO_MODE
525 std::string m_new_password;
526 // Usable by auth mechanisms.
527 AuthMechanism m_chosen_auth_mech;
528 void *m_auth_data = nullptr;
531 bool m_access_denied = false;
532 bool m_access_denied_reconnect = false;
533 std::string m_access_denied_reason = "";
534 std::queue<ClientEvent *> m_client_event_queue;
535 bool m_itemdef_received = false;
536 bool m_nodedef_received = false;
537 bool m_mods_loaded = false;
538 ClientMediaDownloader *m_media_downloader;
540 // time_of_day speed approximation for old protocol
541 bool m_time_of_day_set = false;
542 float m_last_time_of_day_f = -1.0f;
543 float m_time_of_day_update_timer = 0.0f;
545 // An interval for generally sending object positions and stuff
546 float m_recommended_send_interval = 0.1f;
549 float m_removed_sounds_check_timer = 0.0f;
550 // Mapping from server sound ids to our sound ids
551 std::unordered_map<s32, int> m_sounds_server_to_client;
552 // And the other way!
553 std::unordered_map<int, s32> m_sounds_client_to_server;
554 // And relations to objects
555 std::unordered_map<int, u16> m_sounds_to_objects;
557 // CSM/client IDs to SSM/server IDs Mapping
558 // Map server particle spawner IDs to client IDs
559 std::unordered_map<u32, u32> m_particles_server_to_client;
560 // Map server hud ids to client hud ids
561 std::unordered_map<u32, u32> m_hud_server_to_client;
564 std::unordered_set<std::string> m_privileges;
566 // Detached inventories
568 std::unordered_map<std::string, Inventory*> m_detached_inventories;
570 // Storage for mesh data for creating multiple instances of the same mesh
571 StringMap m_mesh_data;
573 StringMap m_mod_files;
576 LocalClientState m_state;
580 // Used for saving server map to disk client-side
581 MapDatabase *m_localdb = nullptr;
582 IntervalLimiter m_localdb_save_interval;
583 u16 m_cache_save_interval;
585 ClientScripting *m_script = nullptr;
586 bool m_modding_enabled;
587 std::unordered_map<std::string, ModMetadata *> m_mod_storages;
588 float m_mod_storage_save_timer = 10.0f;
589 std::vector<ModSpec> m_mods;
591 bool m_shutdown = false;
593 // CSM flavour limits byteflag
594 u64 m_csm_flavour_limits = CSMFlavourLimit::CSM_FL_NONE;
595 u32 m_csm_noderange_limit = 8;
597 std::unique_ptr<ModChannelMgr> m_modchannel_mgr;