mirror of https://github.com/minetest/minetest.git
151 lines
3.3 KiB
C++
151 lines
3.3 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef EMERGE_HEADER
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#define EMERGE_HEADER
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#include <map>
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#include <queue>
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#include "util/thread.h"
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#define BLOCK_EMERGE_ALLOWGEN (1<<0)
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#define EMERGE_DBG_OUT(x) \
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{ if (enable_mapgen_debug_info) \
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infostream << "EmergeThread: " x << std::endl; }
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class Mapgen;
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class MapgenParams;
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class MapgenFactory;
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class Biome;
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class BiomeDefManager;
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class EmergeThread;
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class ManualMapVoxelManipulator;
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#include "server.h"
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struct BlockMakeData {
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ManualMapVoxelManipulator *vmanip;
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u64 seed;
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v3s16 blockpos_min;
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v3s16 blockpos_max;
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v3s16 blockpos_requested;
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UniqueQueue<v3s16> transforming_liquid;
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INodeDefManager *nodedef;
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BlockMakeData():
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vmanip(NULL),
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seed(0),
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nodedef(NULL)
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{}
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~BlockMakeData() { delete vmanip; }
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};
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struct BlockEmergeData {
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u16 peer_requested;
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u8 flags;
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};
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class EmergeManager {
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public:
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INodeDefManager *ndef;
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std::map<std::string, MapgenFactory *> mglist;
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std::vector<Mapgen *> mapgen;
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std::vector<EmergeThread *> emergethread;
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//settings
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MapgenParams *params;
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bool mapgen_debug_info;
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u16 qlimit_total;
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u16 qlimit_diskonly;
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u16 qlimit_generate;
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//block emerge queue data structures
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JMutex queuemutex;
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std::map<v3s16, BlockEmergeData *> blocks_enqueued;
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std::map<u16, u16> peer_queue_count;
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//Mapgen-related structures
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BiomeDefManager *biomedef;
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std::vector<Ore *> ores;
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EmergeManager(IGameDef *gamedef);
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~EmergeManager();
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void initMapgens(MapgenParams *mgparams);
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Mapgen *createMapgen(std::string mgname, int mgid,
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MapgenParams *mgparams);
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MapgenParams *createMapgenParams(std::string mgname);
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bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
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void registerMapgen(std::string name, MapgenFactory *mgfactory);
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MapgenParams *getParamsFromSettings(Settings *settings);
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void setParamsToSettings(Settings *settings);
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//mapgen helper methods
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Biome *getBiomeAtPoint(v3s16 p);
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int getGroundLevelAtPoint(v2s16 p);
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bool isBlockUnderground(v3s16 blockpos);
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u32 getBlockSeed(v3s16 p);
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};
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class EmergeThread : public SimpleThread
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{
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Server *m_server;
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ServerMap *map;
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EmergeManager *emerge;
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Mapgen *mapgen;
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bool enable_mapgen_debug_info;
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int id;
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public:
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Event qevent;
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std::queue<v3s16> blockqueue;
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EmergeThread(Server *server, int ethreadid):
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SimpleThread(),
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m_server(server),
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map(NULL),
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emerge(NULL),
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mapgen(NULL),
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id(ethreadid)
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{
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}
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void *Thread();
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void trigger()
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{
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setRun(true);
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if(IsRunning() == false)
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{
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Start();
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}
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}
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bool popBlockEmerge(v3s16 *pos, u8 *flags);
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bool getBlockOrStartGen(v3s16 p, MapBlock **b,
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BlockMakeData *data, bool allow_generate);
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};
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#endif
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