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/container.h"
26 #include "mapgen.h" // for MapgenParams
29 #define MGPARAMS_SET_MGNAME 1
30 #define MGPARAMS_SET_SEED 2
31 #define MGPARAMS_SET_WATER_LEVEL 4
32 #define MGPARAMS_SET_FLAGS 8
34 #define BLOCK_EMERGE_ALLOWGEN (1<<0)
36 #define EMERGE_DBG_OUT(x) \
38 if (enable_mapgen_debug_info) \
39 infostream << "EmergeThread: " x << std::endl; \
43 class INodeDefManager;
48 class DecorationManager;
49 class SchematicManager;
51 struct BlockMakeData {
52 ManualMapVoxelManipulator *vmanip;
56 v3s16 blockpos_requested;
57 UniqueQueue<v3s16> transforming_liquid;
58 INodeDefManager *nodedef;
66 ~BlockMakeData() { delete vmanip; }
69 struct BlockEmergeData {
76 INodeDefManager *ndef;
78 std::map<std::string, MapgenFactory *> mglist;
80 std::vector<Mapgen *> mapgen;
81 std::vector<EmergeThread *> emergethread;
87 bool mapgen_debug_info;
94 //// Block emerge queue data structures
96 std::map<v3s16, BlockEmergeData *> blocks_enqueued;
97 std::map<u16, u16> peer_queue_count;
99 //// Managers of map generation-related components
100 BiomeManager *biomemgr;
102 DecorationManager *decomgr;
103 SchematicManager *schemmgr;
106 EmergeManager(IGameDef *gamedef);
109 void loadMapgenParams();
111 Mapgen *getCurrentMapgen();
112 Mapgen *createMapgen(std::string mgname, int mgid,
113 MapgenParams *mgparams);
114 MapgenSpecificParams *createMapgenParams(std::string mgname);
117 bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
119 void registerMapgen(std::string name, MapgenFactory *mgfactory);
120 void loadParamsFromSettings(Settings *settings);
121 void saveParamsToSettings(Settings *settings);
123 //mapgen helper methods
124 Biome *getBiomeAtPoint(v3s16 p);
125 int getGroundLevelAtPoint(v2s16 p);
126 bool isBlockUnderground(v3s16 blockpos);
127 u32 getBlockSeed(v3s16 p);