Translated using Weblate (Polish)
[oweals/minetest.git] / src / server.h
index 4d93ae6f35a49844c73c09b929b4ce3187cd07eb..86d5513d8b2b68fe6ba64c714380d194d562d7c0 100644 (file)
@@ -36,6 +36,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "sound.h"
 #include "util/thread.h"
 #include "util/string.h"
+#include "rollback_interface.h" // Needed for rollbackRevertActions()
+#include <list> // Needed for rollbackRevertActions()
 
 struct LuaState;
 typedef struct lua_State lua_State;
@@ -44,6 +46,7 @@ class IWritableNodeDefManager;
 class IWritableCraftDefManager;
 class EventManager;
 class PlayerSAO;
+class IRollbackManager;
 
 class ServerError : public std::exception
 {
@@ -100,14 +103,14 @@ public:
                        delete q;
                }
        }
-       
+
        /*
                peer_id=0 adds with nobody to send to
        */
        void addBlock(u16 peer_id, v3s16 pos, u8 flags)
        {
                DSTACK(__FUNCTION_NAME);
-       
+
                JMutexAutoLock lock(m_mutex);
 
                if(peer_id != 0)
@@ -127,7 +130,7 @@ public:
                                }
                        }
                }
-               
+
                /*
                        Add the block
                */
@@ -157,7 +160,7 @@ public:
                JMutexAutoLock lock(m_mutex);
                return m_queue.size();
        }
-       
+
        u32 peerItemCount(u16 peer_id)
        {
                JMutexAutoLock lock(m_mutex);
@@ -235,7 +238,7 @@ struct PlayerInfo
 
 /*
        Used for queueing and sorting block transfers in containers
-       
+
        Lower priority number means higher priority.
 */
 struct PrioritySortedBlockTransfer
@@ -300,7 +303,7 @@ struct ServerSoundParams
                max_hear_distance(32*BS),
                loop(false)
        {}
-       
+
        v3f getPos(ServerEnvironment *env, bool *pos_exists) const;
 };
 
@@ -344,7 +347,7 @@ public:
        ~RemoteClient()
        {
        }
-       
+
        /*
                Finds block that should be sent next to the client.
                Environment should be locked when this is called.
@@ -364,7 +367,7 @@ public:
        {
                return m_blocks_sending.size();
        }
-       
+
        // Increments timeouts and removes timed-out blocks from list
        // NOTE: This doesn't fix the server-not-sending-block bug
        //       because it is related to emerging, not sending.
@@ -383,13 +386,13 @@ public:
 
        // Time from last placing or removing blocks
        float m_time_from_building;
-       
+
        /*JMutex m_dig_mutex;
        float m_dig_time_remaining;
        // -1 = not digging
        s16 m_dig_tool_item;
        v3s16 m_dig_position;*/
-       
+
        /*
                List of active objects that the client knows of.
                Value is dummy.
@@ -402,7 +405,7 @@ private:
                - These don't have to be sent again.
                - A block is cleared from here when client says it has
                  deleted it from it's memory
-               
+
                Key is position, value is dummy.
                No MapBlock* is stored here because the blocks can get deleted.
        */
@@ -410,7 +413,7 @@ private:
        s16 m_nearest_unsent_d;
        v3s16 m_last_center;
        float m_nearest_unsent_reset_timer;
-       
+
        /*
                Blocks that are currently on the line.
                This is used for throttling the sending of blocks.
@@ -429,7 +432,7 @@ private:
                This is resetted by PrintInfo()
        */
        u32 m_excess_gotblocks;
-       
+
        // CPU usage optimization
        u32 m_nothing_to_send_counter;
        float m_nothing_to_send_pause_timer;
@@ -443,7 +446,7 @@ public:
        /*
                NOTE: Every public method should be thread-safe
        */
-       
+
        Server(
                const std::string &path_world,
                const std::string &path_config,
@@ -474,7 +477,7 @@ public:
        {
                return m_shutdown_requested;
        }
-       
+
        /*
                Shall be called with the environment locked.
                This is accessed by the map, which is inside the environment,
@@ -500,11 +503,12 @@ public:
        // Envlock + conlock
        s32 playSound(const SimpleSoundSpec &spec, const ServerSoundParams &params);
        void stopSound(s32 handle);
-       
+
        // Envlock + conlock
        std::set<std::string> getPlayerEffectivePrivs(const std::string &name);
        bool checkPriv(const std::string &name, const std::string &priv);
        void reportPrivsModified(const std::string &name=""); // ""=all
+       void reportInventoryFormspecModified(const std::string &name);
 
        // Saves g_settings to configpath given at initialization
        void saveConfig();
@@ -530,33 +534,52 @@ public:
        {
                return m_con.GetPeerAddress(peer_id);
        }
-       
+
        // Envlock and conlock should be locked when calling this
        void notifyPlayer(const char *name, const std::wstring msg);
        void notifyPlayers(const std::wstring msg);
 
        void queueBlockEmerge(v3s16 blockpos, bool allow_generate);
-       
+
+       // Creates or resets inventory
+       Inventory* createDetachedInventory(const std::string &name);
+
        // Envlock and conlock should be locked when using Lua
        lua_State *getLua(){ return m_lua; }
-       
+
+       // Envlock should be locked when using the rollback manager
+       IRollbackManager *getRollbackManager(){ return m_rollback; }
+
+       //TODO:  determine what should be locked when accessing the emerge manager
+       EmergeManager *getEmergeManager(){ return m_emerge; }
+
+       BiomeDefManager *getBiomeDef(){ return m_biomedef; }
+
+       // actions: time-reversed list
+       // Return value: success/failure
+       bool rollbackRevertActions(const std::list<RollbackAction> &actions,
+                       std::list<std::string> *log);
+
        // IGameDef interface
        // Under envlock
        virtual IItemDefManager* getItemDefManager();
        virtual INodeDefManager* getNodeDefManager();
        virtual ICraftDefManager* getCraftDefManager();
        virtual ITextureSource* getTextureSource();
+       virtual IShaderSource* getShaderSource();
        virtual u16 allocateUnknownNodeId(const std::string &name);
        virtual ISoundManager* getSoundManager();
        virtual MtEventManager* getEventManager();
-       
+       virtual IRollbackReportSink* getRollbackReportSink();
+
        IWritableItemDefManager* getWritableItemDefManager();
        IWritableNodeDefManager* getWritableNodeDefManager();
        IWritableCraftDefManager* getWritableCraftDefManager();
 
        const ModSpec* getModSpec(const std::string &modname);
+       void getModNames(core::list<std::string> &modlist);
        std::string getBuiltinLuaPath();
-       
+
        std::string getWorldPath(){ return m_path_world; }
 
        bool isSingleplayer(){ return m_simple_singleplayer_mode; }
@@ -566,6 +589,7 @@ public:
                m_async_fatal_error.set(error);
        }
 
+       bool showFormspec(const char *name, const std::string &formspec, const std::string &formname);
 private:
 
        // con::PeerHandler implementation.
@@ -573,11 +597,11 @@ private:
        // As of now, these create and remove clients and players.
        void peerAdded(con::Peer *peer);
        void deletingPeer(con::Peer *peer, bool timeout);
-       
+
        /*
                Static send methods
        */
-       
+
        static void SendHP(con::Connection &con, u16 peer_id, u8 hp);
        static void SendAccessDenied(con::Connection &con, u16 peer_id,
                        const std::wstring &reason);
@@ -586,8 +610,8 @@ private:
        static void SendItemDef(con::Connection &con, u16 peer_id,
                        IItemDefManager *itemdef);
        static void SendNodeDef(con::Connection &con, u16 peer_id,
-                       INodeDefManager *nodedef);
-       
+                       INodeDefManager *nodedef, u16 protocol_version);
+
        /*
                Non-static send methods.
                Conlock should be always used.
@@ -602,6 +626,8 @@ private:
        void SendPlayerHP(u16 peer_id);
        void SendMovePlayer(u16 peer_id);
        void SendPlayerPrivileges(u16 peer_id);
+       void SendPlayerInventoryFormspec(u16 peer_id);
+       void SendShowFormspecMessage(u16 peer_id, const std::string formspec, const std::string formname);
        /*
                Send a node removal/addition event to all clients except ignore_id.
                Additionally, if far_players!=NULL, players further away than
@@ -613,30 +639,34 @@ private:
        void sendAddNode(v3s16 p, MapNode n, u16 ignore_id=0,
                        core::list<u16> *far_players=NULL, float far_d_nodes=100);
        void setBlockNotSent(v3s16 p);
-       
+
        // Environment and Connection must be locked when called
        void SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver);
-       
+
        // Sends blocks to clients (locks env and con on its own)
        void SendBlocks(float dtime);
-       
+
        void fillMediaCache();
        void sendMediaAnnouncement(u16 peer_id);
        void sendRequestedMedia(u16 peer_id,
                        const core::list<MediaRequest> &tosend);
 
+       void sendDetachedInventory(const std::string &name, u16 peer_id);
+       void sendDetachedInventoryToAll(const std::string &name);
+       void sendDetachedInventories(u16 peer_id);
+
        /*
                Something random
        */
-       
+
        void DiePlayer(u16 peer_id);
        void RespawnPlayer(u16 peer_id);
-       
+
        void UpdateCrafting(u16 peer_id);
-       
+
        // When called, connection mutex should be locked
        RemoteClient* getClient(u16 peer_id);
-       
+
        // When called, environment mutex should be locked
        std::string getPlayerName(u16 peer_id)
        {
@@ -663,7 +693,7 @@ private:
                Call with env and con locked.
        */
        PlayerSAO *emergePlayer(const char *name, u16 peer_id);
-       
+
        // Locks environment and connection by its own
        struct PeerChange;
        void handlePeerChange(PeerChange &c);
@@ -672,7 +702,7 @@ private:
        /*
                Variables
        */
-       
+
        // World directory
        std::string m_path_world;
        // Path to user's configuration file ("" = no configuration file)
@@ -685,7 +715,7 @@ private:
 
        // Thread can set; step() will throw as ServerError
        MutexedVariable<std::string> m_async_fatal_error;
-       
+
        // Some timers
        float m_liquid_transform_timer;
        float m_print_info_timer;
@@ -693,14 +723,14 @@ private:
        float m_emergethread_trigger_timer;
        float m_savemap_timer;
        IntervalLimiter m_map_timer_and_unload_interval;
-       
+
        // NOTE: If connection and environment are both to be locked,
        // environment shall be locked first.
 
        // Environment
        ServerEnvironment *m_env;
        JMutex m_env_mutex;
-       
+
        // Connection
        con::Connection m_con;
        JMutex m_con_mutex;
@@ -710,29 +740,40 @@ private:
        // Bann checking
        BanManager m_banmanager;
 
+       // Rollback manager (behind m_env_mutex)
+       IRollbackManager *m_rollback;
+       bool m_rollback_sink_enabled;
+       bool m_enable_rollback_recording; // Updated once in a while
+
+       // Emerge manager
+       EmergeManager *m_emerge;
+
+       // Biome Definition Manager
+       BiomeDefManager *m_biomedef;
+
        // Scripting
        // Envlock and conlock should be locked when using Lua
        lua_State *m_lua;
 
        // Item definition manager
        IWritableItemDefManager *m_itemdef;
-       
+
        // Node definition manager
        IWritableNodeDefManager *m_nodedef;
-       
+
        // Craft definition manager
        IWritableCraftDefManager *m_craftdef;
-       
+
        // Event manager
        EventManager *m_event;
-       
+
        // Mods
-       core::list<ModSpec> m_mods;
-       
+       std::vector<ModSpec> m_mods;
+
        /*
                Threads
        */
-       
+
        // A buffer for time steps
        // step() increments and AsyncRunStep() run by m_thread reads it.
        float m_step_dtime;
@@ -744,7 +785,7 @@ private:
        EmergeThread m_emergethread;
        // Queue of block coordinates to be processed by the emerge thread
        BlockEmergeQueue m_emerge_queue;
-       
+
        /*
                Time related stuff
        */
@@ -753,7 +794,7 @@ private:
        float m_time_of_day_send_timer;
        // Uptime of server in seconds
        MutexedVariable<double> m_uptime;
-       
+
        /*
                Peer change queue.
                Queues stuff from peerAdded() and deletingPeer() to
@@ -775,7 +816,7 @@ private:
        /*
                Random stuff
        */
-       
+
        // Mod parent directory paths
        core::list<std::string> m_modspaths;
 
@@ -825,6 +866,12 @@ private:
        */
        std::map<s32, ServerPlayingSound> m_playing_sounds;
        s32 m_next_sound_id;
+
+       /*
+               Detached inventories (behind m_env_mutex)
+       */
+       // key = name
+       std::map<std::string, Inventory*> m_detached_inventories;
 };
 
 /*