/* Minetest Copyright (C) 2010-2013 celeron55, Perttu Ahola 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. */ #pragma once #include #include #include #include #include #include "irrlichttypes_bloated.h" #include "mapnode.h" #include "constants.h" #include "voxel.h" #include "modifiedstate.h" #include "util/container.h" #include "util/metricsbackend.h" #include "nodetimer.h" #include "map_settings_manager.h" #include "debug.h" class Settings; class MapDatabase; class ClientMap; class MapSector; class ServerMapSector; class MapBlock; class NodeMetadata; class IGameDef; class IRollbackManager; class EmergeManager; class MetricsBackend; class ServerEnvironment; struct BlockMakeData; /* MapEditEvent */ #define MAPTYPE_BASE 0 #define MAPTYPE_SERVER 1 #define MAPTYPE_CLIENT 2 enum MapEditEventType{ // Node added (changed from air or something else to something) MEET_ADDNODE, // Node removed (changed to air) MEET_REMOVENODE, // Node swapped (changed without metadata change) MEET_SWAPNODE, // Node metadata changed MEET_BLOCK_NODE_METADATA_CHANGED, // Anything else (modified_blocks are set unsent) MEET_OTHER }; struct MapEditEvent { MapEditEventType type = MEET_OTHER; v3s16 p; MapNode n = CONTENT_AIR; std::set modified_blocks; bool is_private_change = false; MapEditEvent() = default; VoxelArea getArea() const { switch(type){ case MEET_ADDNODE: return VoxelArea(p); case MEET_REMOVENODE: return VoxelArea(p); case MEET_SWAPNODE: return VoxelArea(p); case MEET_BLOCK_NODE_METADATA_CHANGED: { v3s16 np1 = p*MAP_BLOCKSIZE; v3s16 np2 = np1 + v3s16(1,1,1)*MAP_BLOCKSIZE - v3s16(1,1,1); return VoxelArea(np1, np2); } case MEET_OTHER: { VoxelArea a; for (v3s16 p : modified_blocks) { v3s16 np1 = p*MAP_BLOCKSIZE; v3s16 np2 = np1 + v3s16(1,1,1)*MAP_BLOCKSIZE - v3s16(1,1,1); a.addPoint(np1); a.addPoint(np2); } return a; } } return VoxelArea(); } }; class MapEventReceiver { public: // event shall be deleted by caller after the call. virtual void onMapEditEvent(const MapEditEvent &event) = 0; }; class Map /*: public NodeContainer*/ { public: Map(IGameDef *gamedef); virtual ~Map(); DISABLE_CLASS_COPY(Map); virtual s32 mapType() const { return MAPTYPE_BASE; } /* Drop (client) or delete (server) the map. */ virtual void drop() { delete this; } void addEventReceiver(MapEventReceiver *event_receiver); void removeEventReceiver(MapEventReceiver *event_receiver); // event shall be deleted by caller after the call. void dispatchEvent(const MapEditEvent &event); // On failure returns NULL MapSector * getSectorNoGenerateNoLock(v2s16 p2d); // Same as the above (there exists no lock anymore) MapSector * getSectorNoGenerate(v2s16 p2d); /* This is overloaded by ClientMap and ServerMap to allow their differing fetch methods. */ virtual MapSector * emergeSector(v2s16 p){ return NULL; } // Returns InvalidPositionException if not found MapBlock * getBlockNoCreate(v3s16 p); // Returns NULL if not found MapBlock * getBlockNoCreateNoEx(v3s16 p); /* Server overrides */ virtual MapBlock * emergeBlock(v3s16 p, bool create_blank=true) { return getBlockNoCreateNoEx(p); } inline const NodeDefManager * getNodeDefManager() { return m_nodedef; } // Returns InvalidPositionException if not found bool isNodeUnderground(v3s16 p); bool isValidPosition(v3s16 p); // throws InvalidPositionException if not found void setNode(v3s16 p, MapNode & n); // Returns a CONTENT_IGNORE node if not found // If is_valid_position is not NULL then this will be set to true if the // position is valid, otherwise false MapNode getNode(v3s16 p, bool *is_valid_position = NULL); /* These handle lighting but not faces. */ void addNodeAndUpdate(v3s16 p, MapNode n, std::map &modified_blocks, bool remove_metadata = true); void removeNodeAndUpdate(v3s16 p, std::map &modified_blocks); /* Wrappers for the latter ones. These emit events. Return true if succeeded, false if not. */ bool addNodeWithEvent(v3s16 p, MapNode n, bool remove_metadata = true); bool removeNodeWithEvent(v3s16 p); // Call these before and after saving of many blocks virtual void beginSave() {} virtual void endSave() {} virtual void save(ModifiedState save_level) { FATAL_ERROR("FIXME"); } // Server implements these. // Client leaves them as no-op. virtual bool saveBlock(MapBlock *block) { return false; } virtual bool deleteBlock(v3s16 blockpos) { return false; } /* Updates usage timers and unloads unused blocks and sectors. Saves modified blocks before unloading on MAPTYPE_SERVER. */ void timerUpdate(float dtime, float unload_timeout, u32 max_loaded_blocks, std::vector *unloaded_blocks=NULL); /* Unloads all blocks with a zero refCount(). Saves modified blocks before unloading on MAPTYPE_SERVER. */ void unloadUnreferencedBlocks(std::vector *unloaded_blocks=NULL); // Deletes sectors and their blocks from memory // Takes cache into account // If deleted sector is in sector cache, clears cache void deleteSectors(std::vector &list); // For debug printing. Prints "Map: ", "ServerMap: " or "ClientMap: " virtual void PrintInfo(std::ostream &out); void transformLiquids(std::map & modified_blocks, ServerEnvironment *env); /* Node metadata These are basically coordinate wrappers to MapBlock */ std::vector findNodesWithMetadata(v3s16 p1, v3s16 p2); NodeMetadata *getNodeMetadata(v3s16 p); /** * Sets metadata for a node. * This method sets the metadata for a given node. * On success, it returns @c true and the object pointed to * by @p meta is then managed by the system and should * not be deleted by the caller. * * In case of failure, the method returns @c false and the * caller is still responsible for deleting the object! * * @param p node coordinates * @param meta pointer to @c NodeMetadata object * @return @c true on success, false on failure */ bool setNodeMetadata(v3s16 p, NodeMetadat #include <sys/socket.h> #include <netinet/in.h> #endif #include <ostream> #include <cstring> #include "address.h" #include "irrlichttypes.h" #include "networkexceptions.h" extern bool socket_enable_debug_output; void sockets_init(); void sockets_cleanup(); class UDPSocket { public: UDPSocket() = default; UDPSocket(bool ipv6); ~UDPSocket(); void Bind(Address addr); bool init(bool ipv6, bool noExceptions = false); // void Close(); // bool IsOpen(); void Send(const Address &destination, const void *data, int size); // Returns -1 if there is no data int Receive(Address &sender, void *data, int size); int GetHandle(); // For debugging purposes only void setTimeoutMs(int timeout_ms); // Returns true if there is data, false if timeout occurred bool WaitData(int timeout_ms); private: int m_handle; int m_timeout_ms; int m_addr_family; }; sk only if this is true. This is reset to false when written on disk. */ bool m_map_metadata_changed = true; MapDatabase *dbase = nullptr; MapDatabase *dbase_ro = nullptr; MetricCounterPtr m_save_time_counter; }; #define VMANIP_BLOCK_DATA_INEXIST 1 #define VMANIP_BLOCK_CONTAINS_CIGNORE 2 class MMVManip : public VoxelManipulator { public: MMVManip(Map *map); virtual ~MMVManip() = default; virtual void clear() { VoxelManipulator::clear(); m_loaded_blocks.clear(); } void initialEmerge(v3s16 blockpos_min, v3s16 blockpos_max, bool load_if_inexistent = true); // This is much faster with big chunks of generated data void blitBackAll(std::map * modified_blocks, bool overwrite_generated = true); bool m_is_dirty = false; protected: Map *m_map; /* key = blockpos value = flags describing the block */ std::map m_loaded_blocks; };