minetest.git - modified minetest for gpcfs purposes

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Diffstat (limited to 'src/httpfetch.h')

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/* Minetest Copyright (C) 2010-2013 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. */ #pragma once #include <iostream> #include <sstream> #include <set> #include <map> #include <list> #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<v3s16> 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<v3s16, MapBlock*> &modified_blocks, bool remove_metadata = true); void removeNodeAndUpdate(v3s16 p, std::map<v3s16, MapBlock*> &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<v3s16> *unloaded_blocks=NULL); /* Unloads all blocks with a zero refCount(). Saves modified blocks before unloading on MAPTYPE_SERVER. */ void unloadUnreferencedBlocks(std::vector<v3s16> *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<v2s16> &list); // For debug printing. Prints "Map: ", "ServerMap: " or "ClientMap: " virtual void PrintInfo(std::ostream &out); void transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks, ServerEnvironment *env); /* Node metadata These are basically coordinate wrappers to MapBlock */ std::vector<v3s16> 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, NodeMetadata *meta); void removeNodeMetadata(v3s16 p); /* Node Timers These are basically coordinate wrappers to MapBlock */ NodeTimer getNodeTimer(v3s16 p); void setNodeTimer(const NodeTimer &t); void removeNodeTimer(v3s16 p); /* Variables */ void transforming_liquid_add(v3s16 p); bool isBlockOccluded(MapBlock *block, v3s16 cam_pos_nodes); protected: friend class LuaVoxelManip; IGameDef *m_gamedef; std::set<MapEventReceiver*> m_event_receivers; std::map<v2s16, MapSector*> m_sectors; // Be sure to set this to NULL when the cached sector is deleted MapSector *m_sector_cache = nullptr; v2s16 m_sector_cache_p; // Queued transforming water nodes UniqueQueue<v3s16> m_transforming_liquid; // This stores the properties of the nodes on the map. const NodeDefManager *m_nodedef; bool determineAdditionalOcclusionCheck(const v3s16 &pos_camera, const core::aabbox3d<s16> &block_bounds, v3s16 &check); bool isOccluded(const v3s16 &pos_camera, const v3s16 &pos_target, float step, float stepfac, float start_offset, float end_offset, u32 needed_count); private: f32 m_transforming_liquid_loop_count_multiplier = 1.0f; u32 m_unprocessed_count = 0; u64 m_inc_trending_up_start_time = 0; // milliseconds bool m_queue_size_timer_started = false; }; /* ServerMap This is the only map class that is able to generate map. */ class ServerMap : public Map { public: /* savedir: directory to which map data should be saved */ ServerMap(const std::string &savedir, IGameDef *gamedef, EmergeManager *emerge, MetricsBackend *mb); ~ServerMap(); s32 mapType() const { return MAPTYPE_SERVER; } /* Get a sector from somewhere. - Check memory - Check disk (doesn't load blocks) - Create blank one */ MapSector *createSector(v2s16 p); /* Blocks are generated by using these and makeBlock(). */ bool blockpos_over_mapgen_limit(v3s16 p); bool initBlockMake(v3s16 blockpos, BlockMakeData *data); void finishBlockMake(BlockMakeData *data, std::map<v3s16, MapBlock*> *changed_blocks); /* Get a block from somewhere. - Memory - Create blank */ MapBlock *createBlock(v3s16 p); /* Forcefully get a block from somewhere. - Memory - Load from disk - Create blank filled with CONTENT_IGNORE */ MapBlock *emergeBlock(v3s16 p, bool create_blank=true);


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