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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.
- */
- #ifndef CLIENT_HEADER
- #define CLIENT_HEADER
- #include "network/connection.h"
- #include "environment.h"
- #include "irrlichttypes_extrabloated.h"
- #include "jthread/jmutex.h"
- #include <ostream>
- #include <map>
- #include <set>
- #include <vector>
- #include "clientobject.h"
- #include "gamedef.h"
- #include "inventorymanager.h"
- #include "localplayer.h"
- #include "hud.h"
- #include "particles.h"
- #include "network/networkpacket.h"
- struct MeshMakeData;
- class MapBlockMesh;
- class IWritableTextureSource;
- class IWritableShaderSource;
- class IWritableItemDefManager;
- class IWritableNodeDefManager;
- //class IWritableCraftDefManager;
- class ClientMediaDownloader;
- struct MapDrawControl;
- class MtEventManager;
- struct PointedThing;
- class Database;
- struct QueuedMeshUpdate
- {
- v3s16 p;
- MeshMakeData *data;
- bool ack_block_to_server;
- QueuedMeshUpdate();
- ~QueuedMeshUpdate();
- };
- enum LocalClientState {
- LC_Created,
- LC_Init,
- LC_Ready
- };
- /*
- A thread-safe queue of mesh update tasks
- */
- class MeshUpdateQueue
- {
- public:
- MeshUpdateQueue();
- ~MeshUpdateQueue();
- /*
- peer_id=0 adds with nobody to send to
- */
- void addBlock(v3s16 p, MeshMakeData *data,
- bool ack_block_to_server, bool urgent);
- // Returned pointer must be deleted
- // Returns NULL if queue is empty
- QueuedMeshUpdate * pop();
- u32 size()
- {
- JMutexAutoLock lock(m_mutex);
- return m_queue.size();
- }
- private:
- std::vector<QueuedMeshUpdate*> m_queue;
- std::set<v3s16> m_urgents;
- JMutex m_mutex;
- };
- struct MeshUpdateResult
- {
- v3s16 p;
- MapBlockMesh *mesh;
- bool ack_block_to_server;
- MeshUpdateResult():
- p(-1338,-1338,-1338),
- mesh(NULL),
- ack_block_to_server(false)
- {
- }
- };
- class MeshUpdateThread : public JThread
- {
- public:
- MeshUpdateThread(IGameDef *gamedef):
- m_gamedef(gamedef)
- {
- }
- void * Thread();
- MeshUpdateQueue m_queue_in;
- MutexedQueue<MeshUpdateResult> m_queue_out;
- IGameDef *m_gamedef;
- v3s16 m_camera_offset;
- };
- enum ClientEventType
- {
- CE_NONE,
- CE_PLAYER_DAMAGE,
- CE_PLAYER_FORCE_MOVE,
- CE_DEATHSCREEN,
- CE_SHOW_FORMSPEC,
- CE_SPAWN_PARTICLE,
- CE_ADD_PARTICLESPAWNER,
- CE_DELETE_PARTICLESPAWNER,
- CE_HUDADD,
- CE_HUDRM,
- CE_HUDCHANGE,
- CE_SET_SKY,
- CE_OVERRIDE_DAY_NIGHT_RATIO,
- };
- struct ClientEvent
- {
- ClientEventType type;
- union{
- //struct{
- //} none;
- struct{
- u8 amount;
- } player_damage;
- struct{
- f32 pitch;
- f32 yaw;
- } player_force_move;
- struct{
- bool set_camera_point_target;
- f32 camera_point_target_x;
- f32 camera_point_target_y;
- f32 camera_point_target_z;
- } deathscreen;
- struct{
- std::string *formspec;
- std::string *formname;
- } show_formspec;
- //struct{
- //} textures_updated;
- struct{
- v3f *pos;
- v3f *vel;
- v3f *acc;
- f32 expirationtime;
- f32 size;
- bool collisiondetection;
- bool vertical;
- std::string *texture;
- } spawn_particle;
- struct{
- u16 amount;
- f32 spawntime;
- v3f *minpos;
- v3f *maxpos;
- v3f *minvel;
- v3f *maxvel;
- v3f *minacc;
- v3f *maxacc;
- f32 minexptime;
- f32 maxexptime;
- f32 minsize;
- f32 maxsize;
- bool collisiondetection;
- bool vertical;
- std::string *texture;
- u32 id;
- } add_particlespawner;
- struct{
- u32 id;
- } delete_particlespawner;
- struct{
- u32 id;
- u8 type;
- v2f *pos;
- std::string *name;
- v2f *scale;
- std::string *text;
- u32 number;
- u32 item;
- u32 dir;
- v2f *align;
- v2f *offset;
- v3f *world_pos;
- v2s32 * size;
- } hudadd;
- struct{
- u32 id;
- } hudrm;
- struct{
- u32 id;
- HudElementStat stat;
- v2f *v2fdata;
- std::string *sdata;
- u32 data;
- v3f *v3fdata;
- v2s32 * v2s32data;
- } hudchange;
- struct{
- video::SColor *bgcolor;
- std::string *type;
- std::vector<std::string> *params;
- } set_sky;
- struct{
- bool do_override;
- float ratio_f;
- } override_day_night_ratio;
- };
- };
- /*
- Packet counter
- */
- class PacketCounter
- {
- public:
- PacketCounter()
- {
- }
- void add(u16 command)
- {
- std::map<u16, u16>::iterator n = m_packets.find(command);
- if(n == m_packets.end())
- {
- m_packets[command] = 1;
- }
- else
- {
- n->second++;
- }
- }
- void clear()
- {
- for(std::map<u16, u16>::iterator
- i = m_packets.begin();
- i != m_packets.end(); ++i)
- {
- i->second = 0;
- }
- }
- void print(std::ostream &o)
- {
- for(std::map<u16, u16>::iterator
- i = m_packets.begin();
- i != m_packets.end(); ++i)
- {
- o<<"cmd "<<i->first
- <<" count "<<i->second
- <<std::endl;
- }
- }
- private:
- // command, count
- std::map<u16, u16> m_packets;
- };
- class Client : public con::PeerHandler, public InventoryManager, public IGameDef
- {
- public:
- /*
- NOTE: Nothing is thread-safe here.
- */
- Client(
- IrrlichtDevice *device,
- const char *playername,
- std::string password,
- MapDrawControl &control,
- IWritableTextureSource *tsrc,
- IWritableShaderSource *shsrc,
- IWritableItemDefManager *itemdef,
- IWritableNodeDefManager *nodedef,
- ISoundManager *sound,
- MtEventManager *event,
- bool ipv6
- );
- ~Client();
- /*
- request all threads managed by client to be stopped
- */
- void Stop();
- bool isShutdown();
- /*
- The name of the local player should already be set when
- calling this, as it is sent in the initialization.
- */
- void connect(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_InitLegacy(NetworkPacket* pkt);
- void handleCommand_AccessDenied(NetworkPacket* pkt);
- void handleCommand_RemoveNode(NetworkPacket* pkt);
- void handleCommand_AddNode(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_HP(NetworkPacket* pkt);
- void handleCommand_Breath(NetworkPacket* pkt);
- void handleCommand_MovePlayer(NetworkPacket* pkt);
- void handleCommand_PlayerItem(NetworkPacket* pkt);
- void handleCommand_DeathScreen(NetworkPacket* pkt);
- void handleCommand_AnnounceMedia(NetworkPacket* pkt);
- void handleCommand_Media(NetworkPacket* pkt);
- void handleCommand_ToolDef(NetworkPacket* pkt);
- void handleCommand_NodeDef(NetworkPacket* pkt);
- void handleCommand_CraftItemDef(NetworkPacket* pkt);
- void handleCommand_ItemDef(NetworkPacket* pkt);
- void handleCommand_PlaySound(NetworkPacket* pkt);
- void handleCommand_StopSound(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_OverrideDayNightRatio(NetworkPacket* pkt);
- void handleCommand_LocalPlayerAnimations(NetworkPacket* pkt);
- void handleCommand_EyeOffset(NetworkPacket* pkt);
- void handleCommand_SrpBytesSandB(NetworkPacket* pkt);
- void ProcessData(NetworkPacket *pkt);
- // Returns true if something was received
- bool AsyncProcessPacket();
- bool AsyncProcessData();
- void Send(NetworkPacket* pkt);
- void interact(u8 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 sendChangePassword(const std::string &oldpassword,
- const std::string &newpassword);
- void sendDamage(u8 damage);
- void sendBreath(u16 breath);
- void sendRespawn();
- void sendReady();
- ClientEnvironment& getEnv()
- { return m_env; }
- // Causes urgent mesh updates (unlike Map::add/removeNodeWithEvent)
- void removeNode(v3s16 p);
- void addNode(v3s16 p, MapNode n, bool remove_metadata = true);
- void setPlayerControl(PlayerControl &control);
- void selectPlayerItem(u16 item);
- u16 getPlayerItem() const
- { return m_playeritem; }
- // 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 getLocalInventoryUpdated();
- // Copies the inventory of the local player to parameter
- void getLocalInventory(Inventory &dst);
- /* InventoryManager interface */
- Inventory* getInventory(const InventoryLocation &loc);
- void inventoryAction(InventoryAction *a);
- // Gets closest object pointed by the shootline
- // Returns NULL if not found
- ClientActiveObject * getSelectedActiveObject(
- f32 max_d,
- v3f from_pos_f_on_map,
- core::line3d<f32> shootline_on_map
- );
- std::list<std::string> getConnectedPlayerNames();
- float getAnimationTime();
- int getCrackLevel();
- void setCrack(int level, v3s16 pos);
- void setHighlighted(v3s16 pos, bool show_higlighted);
- v3s16 getHighlighted(){ return m_highlighted_pos; }
- u16 getHP();
- u16 getBreath();
- bool checkPrivilege(const std::string &priv)
- { return (m_privileges.count(priv) != 0); }
- 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)
- { m_mesh_update_thread.m_camera_offset = camera_offset; }
- // Get event from queue. CE_NONE is returned if queue is empty.
- ClientEvent getClientEvent();
- bool accessDenied()
- { return m_access_denied; }
- std::string accessDeniedReason()
- { return m_access_denied_reason; }
- bool itemdefReceived()
- { return m_itemdef_received; }
- bool nodedefReceived()
- { return m_nodedef_received; }
- bool mediaReceived()
- { return m_media_downloader == NULL; }
- u8 getProtoVersion()
- { return m_proto_ver; }
- float mediaReceiveProgress();
- void afterContentReceived(IrrlichtDevice *device);
- float getRTT(void);
- float getCurRate(void);
- float getAvgRate(void);
- // IGameDef interface
- virtual IItemDefManager* getItemDefManager();
- virtual INodeDefManager* getNodeDefManager();
- virtual ICraftDefManager* getCraftDefManager();
- virtual ITextureSource* getTextureSource();
- virtual IShaderSource* getShaderSource();
- virtual scene::ISceneManager* getSceneManager();
- virtual u16 allocateUnknownNodeId(const std::string &name);
- virtual ISoundManager* getSoundManager();
- virtual MtEventManager* getEventManager();
- virtual ParticleManager* getParticleManager();
- virtual bool checkLocalPrivilege(const std::string &priv)
- { return checkPrivilege(priv); }
- virtual scene::IAnimatedMesh* getMesh(const std::string &filename);
- // 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);
- // Send a request for conventional media transfer
- void request_media(const std::vector<std::string> &file_requests);
- // Send a notification that no conventional media transfer is needed
- void received_media();
- LocalClientState getState() { return m_state; }
- void makeScreenshot(IrrlichtDevice *device);
- private:
- // Virtual methods from con::PeerHandler
- void peerAdded(con::Peer *peer);
- void deletingPeer(con::Peer *peer, bool timeout);
- void initLocalMapSaving(const Address &address,
- const std::string &hostname,
- bool is_local_server);
- void ReceiveAll();
- void Receive();
- void sendPlayerPos();
- // Send the item number 'item' as player item to the server
- void sendPlayerItem(u16 item);
- void deleteAuthData();
- // helper method shared with clientpackethandler
- static AuthMechanism choseAuthMech(const u32 mechs);
- void sendLegacyInit(const char* playerName, const char* playerPassword);
- void sendInit(const std::string &playerName);
- void startAuth(AuthMechanism chosen_auth_mechanism);
- void sendDeletedBlocks(std::vector<v3s16> &blocks);
- void sendGotBlocks(v3s16 block);
- void sendRemovedSounds(std::vector<s32> &soundList);
- // Helper function
- inline std::string getPlayerName()
- { return m_env.getLocalPlayer()->getName(); }
- float m_packetcounter_timer;
- float m_connection_reinit_timer;
- float m_avg_rtt_timer;
- float m_playerpos_send_timer;
- float m_ignore_damage_timer; // Used after server moves player
- IntervalLimiter m_map_timer_and_unload_interval;
- IWritableTextureSource *m_tsrc;
- IWritableShaderSource *m_shsrc;
- IWritableItemDefManager *m_itemdef;
- IWritableNodeDefManager *m_nodedef;
- ISoundManager *m_sound;
- MtEventManager *m_event;
- MeshUpdateThread m_mesh_update_thread;
- ClientEnvironment m_env;
- ParticleManager m_particle_manager;
- con::Connection m_con;
- IrrlichtDevice *m_device;
- // Server serialization version
- u8 m_server_ser_ver;
- // Used version of the protocol with server
- u8 m_proto_ver;
- u16 m_playeritem;
- bool m_inventory_updated;
- Inventory *m_inventory_from_server;
- float m_inventory_from_server_age;
- PacketCounter m_packetcounter;
- bool m_show_highlighted;
- // Block mesh animation parameters
- float m_animation_time;
- int m_crack_level;
- v3s16 m_crack_pos;
- v3s16 m_highlighted_pos;
- // 0 <= m_daynight_i < DAYNIGHT_CACHE_COUNT
- //s32 m_daynight_i;
- //u32 m_daynight_ratio;
- std::queue<std::wstring> 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;
- // 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;
- bool m_access_denied;
- std::string m_access_denied_reason;
- std::queue<ClientEvent> m_client_event_queue;
- bool m_itemdef_received;
- bool m_nodedef_received;
- ClientMediaDownloader *m_media_downloader;
- // time_of_day speed approximation for old protocol
- bool m_time_of_day_set;
- float m_last_time_of_day_f;
- float m_time_of_day_update_timer;
- // An interval for generally sending object positions and stuff
- float m_recommended_send_interval;
- // Sounds
- float m_removed_sounds_check_timer;
- // Mapping from server sound ids to our sound ids
- std::map<s32, int> m_sounds_server_to_client;
- // And the other way!
- std::map<int, s32> m_sounds_client_to_server;
- // And relations to objects
- std::map<int, u16> m_sounds_to_objects;
- // Privileges
- std::set<std::string> m_privileges;
- // Detached inventories
- // key = name
- std::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;
- // Used for saving server map to disk client-side
- Database *m_localdb;
- IntervalLimiter m_localdb_save_interval;
- u16 m_cache_save_interval;
- // TODO: Add callback to update these when g_settings changes
- bool m_cache_smooth_lighting;
- bool m_cache_enable_shaders;
- };
- #endif // !CLIENT_HEADER
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