3 Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #include "util/thread.h"
27 #define BLOCK_EMERGE_ALLOWGEN (1<<0)
29 #define EMERGE_DBG_OUT(x) \
30 { if (enable_mapgen_debug_info) \
31 infostream << "EmergeThread: " x << std::endl; }
37 class BiomeDefManager;
39 class ManualMapVoxelManipulator;
43 struct BlockMakeData {
44 ManualMapVoxelManipulator *vmanip;
48 v3s16 blockpos_requested;
49 UniqueQueue<v3s16> transforming_liquid;
50 INodeDefManager *nodedef;
58 ~BlockMakeData() { delete vmanip; }
61 struct BlockEmergeData {
68 INodeDefManager *ndef;
70 std::map<std::string, MapgenFactory *> mglist;
72 std::vector<Mapgen *> mapgen;
73 std::vector<EmergeThread *> emergethread;
77 bool mapgen_debug_info;
82 //block emerge queue data structures
84 std::map<v3s16, BlockEmergeData *> blocks_enqueued;
85 std::map<u16, u16> peer_queue_count;
87 //Mapgen-related structures
88 BiomeDefManager *biomedef;
89 std::vector<Ore *> ores;
91 EmergeManager(IGameDef *gamedef);
94 void initMapgens(MapgenParams *mgparams);
95 Mapgen *createMapgen(std::string mgname, int mgid,
96 MapgenParams *mgparams);
97 MapgenParams *createMapgenParams(std::string mgname);
98 bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
100 void registerMapgen(std::string name, MapgenFactory *mgfactory);
101 MapgenParams *getParamsFromSettings(Settings *settings);
102 void setParamsToSettings(Settings *settings);
104 //mapgen helper methods
105 Biome *getBiomeAtPoint(v3s16 p);
106 int getGroundLevelAtPoint(v2s16 p);
107 bool isBlockUnderground(v3s16 blockpos);
108 u32 getBlockSeed(v3s16 p);
111 class EmergeThread : public SimpleThread
115 EmergeManager *emerge;
117 bool enable_mapgen_debug_info;
122 std::queue<v3s16> blockqueue;
124 EmergeThread(Server *server, int ethreadid):
139 if(IsRunning() == false)
145 bool popBlockEmerge(v3s16 *pos, u8 *flags);
146 bool getBlockOrStartGen(v3s16 p, MapBlock **b,
147 BlockMakeData *data, bool allow_generate);