PostgreSQL: Fix listAllLoadableBlocks returning the same block
[oweals/minetest.git] / src / server.h
index 5b538ea931569192d7c1fe1976d92e8b64e14e44..680de57b540f51027ad2fc13d66b5a8318ec329a 100644 (file)
@@ -24,9 +24,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "hud.h"
 #include "gamedef.h"
 #include "serialization.h" // For SER_FMT_VER_INVALID
-#include "mods.h"
+#include "content/mods.h"
 #include "inventorymanager.h"
-#include "subgame.h"
+#include "content/subgames.h"
 #include "tileanimation.h" // struct TileAnimationParams
 #include "network/peerhandler.h"
 #include "network/address.h"
@@ -45,7 +45,7 @@ class ChatEvent;
 struct ChatEventChat;
 struct ChatInterface;
 class IWritableItemDefManager;
-class IWritableNodeDefManager;
+class NodeDefManager;
 class IWritableCraftDefManager;
 class BanManager;
 class EventManager;
@@ -53,13 +53,20 @@ class Inventory;
 class ModChannelMgr;
 class RemotePlayer;
 class PlayerSAO;
+struct PlayerHPChangeReason;
 class IRollbackManager;
 struct RollbackAction;
 class EmergeManager;
 class ServerScripting;
 class ServerEnvironment;
 struct SimpleSoundSpec;
+struct CloudParams;
+struct SkyboxParams;
+struct SunParams;
+struct MoonParams;
+struct StarParams;
 class ServerThread;
+class ServerModManager;
 
 enum ClientDeletionReason {
        CDR_LEAVE,
@@ -95,6 +102,7 @@ struct ServerSoundParams
        v3f pos;
        u16 object = 0;
        std::string to_player = "";
+       std::string exclude_player = "";
 
        v3f getPos(ServerEnvironment *env, bool *pos_exists) const;
 };
@@ -118,14 +126,15 @@ public:
                const std::string &path_world,
                const SubgameSpec &gamespec,
                bool simple_singleplayer_mode,
-               bool ipv6,
+               Address bind_addr,
                bool dedicated,
                ChatInterface *iface = nullptr
        );
        ~Server();
        DISABLE_CLASS_COPY(Server);
 
-       void start(Address bind_addr);
+       void init();
+       void start();
        void stop();
        // This is mainly a way to pass the time to the server.
        // Actual processing is done in an another thread.
@@ -185,27 +194,28 @@ public:
                This is accessed by the map, which is inside the environment,
                so it shouldn't be a problem.
        */
-       void onMapEditEvent(MapEditEvent *event);
+       void onMapEditEvent(const MapEditEvent &event);
 
        /*
                Shall be called with the environment and the connection locked.
        */
        Inventory* getInventory(const InventoryLocation &loc);
-       void setInventoryModified(const InventoryLocation &loc, bool playerSend = true);
+       void setInventoryModified(const InventoryLocation &loc);
 
        // Connection must be locked when called
        std::wstring getStatusString();
        inline double getUptime() const { return m_uptime.m_value; }
 
        // read shutdown state
-       inline bool getShutdownRequested() const { return m_shutdown_requested; }
+       inline bool isShutdownRequested() const { return m_shutdown_state.is_requested; }
 
        // request server to shutdown
        void requestShutdown(const std::string &msg, bool reconnect, float delay = 0.0f);
 
        // Returns -1 if failed, sound handle on success
        // Envlock
-       s32 playSound(const SimpleSoundSpec &spec, const ServerSoundParams &params);
+       s32 playSound(const SimpleSoundSpec &spec, const ServerSoundParams &params,
+                       bool ephemeral=false);
        void stopSound(s32 handle);
        void fadeSound(s32 handle, float step, float gain);
 
@@ -214,6 +224,7 @@ public:
        bool checkPriv(const std::string &name, const std::string &priv);
        void reportPrivsModified(const std::string &name=""); // ""=all
        void reportInventoryFormspecModified(const std::string &name);
+       void reportFormspecPrependModified(const std::string &name);
 
        void setIpBanned(const std::string &ip, const std::string &name);
        void unsetIpBanned(const std::string &ip_or_name);
@@ -224,7 +235,7 @@ public:
        void spawnParticle(const std::string &playername,
                v3f pos, v3f velocity, v3f acceleration,
                float expirationtime, float size,
-               bool collisiondetection, bool collision_removal,
+               bool collisiondetection, bool collision_removal, bool object_collision,
                bool vertical, const std::string &texture,
                const struct TileAnimationParams &animation, u8 glow);
 
@@ -234,7 +245,7 @@ public:
                v3f minacc, v3f maxacc,
                float minexptime, float maxexptime,
                float minsize, float maxsize,
-               bool collisiondetection, bool collision_removal,
+               bool collisiondetection, bool collision_removal, bool object_collision,
                ServerActiveObject *attached,
                bool vertical, const std::string &texture,
                const std::string &playername, const struct TileAnimationParams &animation,
@@ -243,7 +254,9 @@ public:
        void deleteParticleSpawner(const std::string &playername, u32 id);
 
        // Creates or resets inventory
-       Inventory* createDetachedInventory(const std::string &name, const std::string &player="");
+       Inventory *createDetachedInventory(const std::string &name,
+                       const std::string &player = "");
+       bool removeDetachedInventory(const std::string &name);
 
        // Envlock and conlock should be locked when using scriptapi
        ServerScripting *getScriptIface(){ return m_script; }
@@ -256,18 +269,17 @@ public:
        // IGameDef interface
        // Under envlock
        virtual IItemDefManager* getItemDefManager();
-       virtual INodeDefManager* getNodeDefManager();
+       virtual const NodeDefManager* getNodeDefManager();
        virtual ICraftDefManager* getCraftDefManager();
        virtual u16 allocateUnknownNodeId(const std::string &name);
-       virtual MtEventManager* getEventManager();
        IRollbackManager *getRollbackManager() { return m_rollback; }
        virtual EmergeManager *getEmergeManager() { return m_emerge; }
 
        IWritableItemDefManager* getWritableItemDefManager();
-       IWritableNodeDefManager* getWritableNodeDefManager();
+       NodeDefManager* getWritableNodeDefManager();
        IWritableCraftDefManager* getWritableCraftDefManager();
 
-       virtual const std::vector<ModSpec> &getMods() const { return m_mods; }
+       virtual const std::vector<ModSpec> &getMods() const;
        virtual const ModSpec* getModSpec(const std::string &modname) const;
        void getModNames(std::vector<std::string> &modlist);
        std::string getBuiltinLuaPath();
@@ -290,27 +302,21 @@ public:
        bool hudChange(RemotePlayer *player, u32 id, HudElementStat stat, void *value);
        bool hudSetFlags(RemotePlayer *player, u32 flags, u32 mask);
        bool hudSetHotbarItemcount(RemotePlayer *player, s32 hotbar_itemcount);
-       s32 hudGetHotbarItemcount(RemotePlayer *player) const;
-       void hudSetHotbarImage(RemotePlayer *player, std::string name);
-       std::string hudGetHotbarImage(RemotePlayer *player);
-       void hudSetHotbarSelectedImage(RemotePlayer *player, std::string name);
-       const std::string &hudGetHotbarSelectedImage(RemotePlayer *player) const;
+       void hudSetHotbarImage(RemotePlayer *player, const std::string &name);
+       void hudSetHotbarSelectedImage(RemotePlayer *player, const std::string &name);
 
        Address getPeerAddress(session_t peer_id);
 
-       bool setLocalPlayerAnimations(RemotePlayer *player, v2s32 animation_frames[4],
+       void setLocalPlayerAnimations(RemotePlayer *player, v2s32 animation_frames[4],
                        f32 frame_speed);
-       bool setPlayerEyeOffset(RemotePlayer *player, v3f first, v3f third);
-
-       bool setSky(RemotePlayer *player, const video::SColor &bgcolor,
-                       const std::string &type, const std::vector<std::string> &params,
-                       bool &clouds);
-       bool setClouds(RemotePlayer *player, float density,
-                       const video::SColor &color_bright,
-                       const video::SColor &color_ambient,
-                       float height,
-                       float thickness,
-                       const v2f &speed);
+       void setPlayerEyeOffset(RemotePlayer *player, const v3f &first, const v3f &third);
+
+       void setSky(RemotePlayer *player, const SkyboxParams &params);
+       void setSun(RemotePlayer *player, const SunParams &params);
+       void setMoon(RemotePlayer *player, const MoonParams &params);
+       void setStars(RemotePlayer *player, const StarParams &params);
+
+       void setClouds(RemotePlayer *player, const CloudParams &params);
 
        bool overrideDayNightRatio(RemotePlayer *player, bool do_override, float brightness);
 
@@ -333,10 +339,14 @@ public:
 
        void printToConsoleOnly(const std::string &text);
 
-       void SendPlayerHPOrDie(PlayerSAO *player);
+       void SendPlayerHPOrDie(PlayerSAO *player, const PlayerHPChangeReason &reason);
        void SendPlayerBreath(PlayerSAO *sao);
-       void SendInventory(PlayerSAO* playerSAO);
+       void SendInventory(PlayerSAO *playerSAO, bool incremental);
        void SendMovePlayer(session_t peer_id);
+       void SendPlayerSpeed(session_t peer_id, const v3f &added_vel);
+       void SendPlayerFov(session_t peer_id);
+
+       void sendDetachedInventories(session_t peer_id, bool incremental);
 
        virtual bool registerModStorage(ModMetadata *storage);
        virtual void unregisterModStorage(const std::string &name);
@@ -346,6 +356,9 @@ public:
        bool sendModChannelMessage(const std::string &channel, const std::string &message);
        ModChannel *getModChannel(const std::string &channel);
 
+       // Send block to specific player only
+       bool SendBlock(session_t peer_id, const v3s16 &blockpos);
+
        // Bind address
        Address m_bind_addr;
 
@@ -353,9 +366,25 @@ public:
        std::mutex m_env_mutex;
 
 private:
-
        friend class EmergeThread;
        friend class RemoteClient;
+       friend class TestServerShutdownState;
+
+       struct ShutdownState {
+               friend class TestServerShutdownState;
+               public:
+                       bool is_requested = false;
+                       bool should_reconnect = false;
+                       std::string message;
+
+                       void reset();
+                       void trigger(float delay, const std::string &msg, bool reconnect);
+                       void tick(float dtime, Server *server);
+                       std::wstring getShutdownTimerMessage() const;
+                       bool isTimerRunning() const { return m_timer > 0.0f; }
+               private:
+                       float m_timer = 0.0f;
+       };
 
        void SendMovement(session_t peer_id);
        void SendHP(session_t peer_id, u16 hp);
@@ -366,13 +395,14 @@ private:
        void SendDeathscreen(session_t peer_id, bool set_camera_point_target,
                v3f camera_point_target);
        void SendItemDef(session_t peer_id, IItemDefManager *itemdef, u16 protocol_version);
-       void SendNodeDef(session_t peer_id, INodeDefManager *nodedef, u16 protocol_version);
+       void SendNodeDef(session_t peer_id, const NodeDefManager *nodedef,
+               u16 protocol_version);
 
        /* mark blocks not sent for all clients */
        void SetBlocksNotSent(std::map<v3s16, MapBlock *>& block);
 
 
-       void SendChatMessage(session_t peer_id, const ChatMessage &message);
+       virtual void SendChatMessage(session_t peer_id, const ChatMessage &message);
        void SendTimeOfDay(session_t peer_id, u16 time, f32 time_speed);
        void SendPlayerHP(session_t peer_id);
 
@@ -381,6 +411,7 @@ private:
        void SendEyeOffset(session_t peer_id, v3f first, v3f third);
        void SendPlayerPrivileges(session_t peer_id);
        void SendPlayerInventoryFormspec(session_t peer_id);
+       void SendPlayerFormspecPrepend(session_t peer_id);
        void SendShowFormspecMessage(session_t peer_id, const std::string &formspec,
                const std::string &formname);
        void SendHUDAdd(session_t peer_id, u32 id, HudElement *form);
@@ -388,15 +419,11 @@ private:
        void SendHUDChange(session_t peer_id, u32 id, HudElementStat stat, void *value);
        void SendHUDSetFlags(session_t peer_id, u32 flags, u32 mask);
        void SendHUDSetParam(session_t peer_id, u16 param, const std::string &value);
-       void SendSetSky(session_t peer_id, const video::SColor &bgcolor,
-                       const std::string &type, const std::vector<std::string> &params,
-                       bool &clouds);
-       void SendCloudParams(session_t peer_id, float density,
-                       const video::SColor &color_bright,
-                       const video::SColor &color_ambient,
-                       float height,
-                       float thickness,
-                       const v2f &speed);
+       void SendSetSky(session_t peer_id, const SkyboxParams &params);
+       void SendSetSun(session_t peer_id, const SunParams &params);
+       void SendSetMoon(session_t peer_id, const MoonParams &params);
+       void SendSetStars(session_t peer_id, const StarParams &params);
+       void SendCloudParams(session_t peer_id, const CloudParams &params);
        void SendOverrideDayNightRatio(session_t peer_id, bool do_override, float ratio);
        void broadcastModChannelMessage(const std::string &channel,
                        const std::string &message, session_t from_peer);
@@ -407,12 +434,14 @@ private:
                far_d_nodes are ignored and their peer_ids are added to far_players
        */
        // Envlock and conlock should be locked when calling these
-       void sendRemoveNode(v3s16 p, u16 ignore_id=0,
-                       std::vector<u16> *far_players=NULL, float far_d_nodes=100);
-       void sendAddNode(v3s16 p, MapNode n, u16 ignore_id=0,
-                       std::vector<u16> *far_players=NULL, float far_d_nodes=100,
-                       bool remove_metadata=true);
-       void setBlockNotSent(v3s16 p);
+       void sendRemoveNode(v3s16 p, std::unordered_set<u16> *far_players = nullptr,
+                       float far_d_nodes = 100);
+       void sendAddNode(v3s16 p, MapNode n,
+                       std::unordered_set<u16> *far_players = nullptr,
+                       float far_d_nodes = 100, bool remove_metadata = true);
+
+       void sendMetadataChanged(const std::list<v3s16> &meta_updates,
+                       float far_d_nodes = 100);
 
        // Environment and Connection must be locked when called
        void SendBlockNoLock(session_t peer_id, MapBlock *block, u8 ver, u16 net_proto_version);
@@ -426,7 +455,6 @@ private:
                        const std::vector<std::string> &tosend);
 
        void sendDetachedInventory(const std::string &name, session_t peer_id);
-       void sendDetachedInventories(session_t peer_id);
 
        // Adds a ParticleSpawner on peer with peer_id (PEER_ID_INEXISTENT == all)
        void SendAddParticleSpawner(session_t peer_id, u16 protocol_version,
@@ -436,7 +464,7 @@ private:
                v3f minacc, v3f maxacc,
                float minexptime, float maxexptime,
                float minsize, float maxsize,
-               bool collisiondetection, bool collision_removal,
+               bool collisiondetection, bool collision_removal, bool object_collision,
                u16 attached_id,
                bool vertical, const std::string &texture, u32 id,
                const struct TileAnimationParams &animation, u8 glow);
@@ -447,23 +475,24 @@ private:
        void SendSpawnParticle(session_t peer_id, u16 protocol_version,
                v3f pos, v3f velocity, v3f acceleration,
                float expirationtime, float size,
-               bool collisiondetection, bool collision_removal,
+               bool collisiondetection, bool collision_removal, bool object_collision,
                bool vertical, const std::string &texture,
                const struct TileAnimationParams &animation, u8 glow);
 
-       u32 SendActiveObjectRemoveAdd(session_t peer_id, const std::string &datas);
+       void SendActiveObjectRemoveAdd(RemoteClient *client, PlayerSAO *playersao);
        void SendActiveObjectMessages(session_t peer_id, const std::string &datas,
                bool reliable = true);
-       void SendCSMFlavourLimits(session_t peer_id);
+       void SendCSMRestrictionFlags(session_t peer_id);
 
        /*
                Something random
        */
 
-       void DiePlayer(session_t peer_id);
+       void DiePlayer(session_t peer_id, const PlayerHPChangeReason &reason);
        void RespawnPlayer(session_t peer_id);
        void DeleteClient(session_t peer_id, ClientDeletionReason reason);
        void UpdateCrafting(RemotePlayer *player);
+       bool checkInteractDistance(RemotePlayer *player, const f32 d, const std::string &what);
 
        void handleChatInterfaceEvent(ChatEvent *evt);
 
@@ -496,7 +525,6 @@ private:
        /*
                Variables
        */
-
        // World directory
        std::string m_path_world;
        // Subgame specification
@@ -530,7 +558,6 @@ private:
 
        // Rollback manager (behind m_env_mutex)
        IRollbackManager *m_rollback = nullptr;
-       bool m_enable_rollback_recording = false; // Updated once in a while
 
        // Emerge manager
        EmergeManager *m_emerge = nullptr;
@@ -543,7 +570,7 @@ private:
        IWritableItemDefManager *m_itemdef;
 
        // Node definition manager
-       IWritableNodeDefManager *m_nodedef;
+       NodeDefManager *m_nodedef;
 
        // Craft definition manager
        IWritableCraftDefManager *m_craftdef;
@@ -552,12 +579,11 @@ private:
        EventManager *m_event;
 
        // Mods
-       std::vector<ModSpec> m_mods;
+       std::unique_ptr<ServerModManager> m_modmgr;
 
        /*
                Threads
        */
-
        // A buffer for time steps
        // step() increments and AsyncRunStep() run by m_thread reads it.
        float m_step_dtime = 0.0f;
@@ -572,14 +598,14 @@ private:
        /*
                Time related stuff
        */
-
        // Timer for sending time of day over network
        float m_time_of_day_send_timer = 0.0f;
        // Uptime of server in seconds
        MutexedVariable<double> m_uptime;
+
        /*
-        Client interface
-        */
+               Client interface
+       */
        ClientInterface m_clients;
 
        /*
@@ -589,14 +615,13 @@ private:
        */
        std::queue<con::PeerChange> m_peer_change_queue;
 
+       std::unordered_map<session_t, std::string> m_formspec_state_data;
+
        /*
                Random stuff
        */
 
-       bool m_shutdown_requested = false;
-       std::string m_shutdown_msg;
-       bool m_shutdown_ask_reconnect = false;
-       float m_shutdown_timer = 0.0f;
+       ShutdownState m_shutdown_state;
 
        ChatInterface *m_admin_chat;
        std::string m_admin_nick;
@@ -615,12 +640,6 @@ private:
                This is behind m_env_mutex
        */
        std::queue<MapEditEvent*> m_unsent_map_edit_queue;
-       /*
-               Set to true when the server itself is modifying the map and does
-               all sending of information by itself.
-               This is behind m_env_mutex
-       */
-       bool m_ignore_map_edit_events = false;
        /*
                If a non-empty area, map edit events contained within are left
                unsent. Done at map generation time to speed up editing of the
@@ -628,12 +647,6 @@ private:
                This is behind m_env_mutex
        */
        VoxelArea m_ignore_map_edit_events_area;
-       /*
-               If set to !=0, the incoming MapEditEvents are modified to have
-               this peed id as the disabled recipient
-               This is behind m_env_mutex
-       */
-       session_t m_ignore_map_edit_events_peer_id = 0;
 
        // media files known to server
        std::unordered_map<std::string, MediaInfo> m_media;
@@ -642,7 +655,8 @@ private:
                Sounds
        */
        std::unordered_map<s32, ServerPlayingSound> m_playing_sounds;
-       s32 m_next_sound_id = 0;
+       s32 m_next_sound_id = 0; // positive values only
+       s32 nextSoundId();
 
        /*
                Detached inventories (behind m_env_mutex)
@@ -655,9 +669,9 @@ private:
        std::unordered_map<std::string, ModMetadata *> m_mod_storages;
        float m_mod_storage_save_timer = 10.0f;
 
-       // CSM flavour limits byteflag
-       u64 m_csm_flavour_limits = CSMFlavourLimit::CSM_FL_NONE;
-       u32 m_csm_noderange_limit = 8;
+       // CSM restrictions byteflag
+       u64 m_csm_restriction_flags = CSMRestrictionFlags::CSM_RF_NONE;
+       u32 m_csm_restriction_noderange = 8;
 
        // ModChannel manager
        std::unique_ptr<ModChannelMgr> m_modchannel_mgr;