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 "map.h" // for ManualMapVoxelManipulator
28 #define MGPARAMS_SET_MGNAME 1
29 #define MGPARAMS_SET_SEED 2
30 #define MGPARAMS_SET_WATER_LEVEL 4
31 #define MGPARAMS_SET_FLAGS 8
33 #define BLOCK_EMERGE_ALLOWGEN (1<<0)
35 #define EMERGE_DBG_OUT(x) \
36 { if (enable_mapgen_debug_info) \
37 infostream << "EmergeThread: " x << std::endl; }
44 class BiomeDefManager;
47 class INodeDefManager;
50 struct BlockMakeData {
51 ManualMapVoxelManipulator *vmanip;
55 v3s16 blockpos_requested;
56 UniqueQueue<v3s16> transforming_liquid;
57 INodeDefManager *nodedef;
65 ~BlockMakeData() { delete vmanip; }
68 struct BlockEmergeData {
73 class IBackgroundBlockEmerger
76 virtual bool enqueueBlockEmerge(u16 peer_id, v3s16 p,
77 bool allow_generate) = 0;
78 virtual ~IBackgroundBlockEmerger() {}
81 class EmergeManager : public IBackgroundBlockEmerger {
83 INodeDefManager *ndef;
85 std::map<std::string, MapgenFactory *> mglist;
87 std::vector<Mapgen *> mapgen;
88 std::vector<EmergeThread *> emergethread;
92 bool mapgen_debug_info;
97 MapgenParams *luaoverride_params;
98 u32 luaoverride_params_modified;
99 u32 luaoverride_flagmask;
101 //block emerge queue data structures
103 std::map<v3s16, BlockEmergeData *> blocks_enqueued;
104 std::map<u16, u16> peer_queue_count;
106 //Mapgen-related structures
107 BiomeDefManager *biomedef;
108 std::vector<Ore *> ores;
109 std::vector<Decoration *> decorations;
111 EmergeManager(IGameDef *gamedef);
114 void initMapgens(MapgenParams *mgparams);
115 Mapgen *getCurrentMapgen();
116 Mapgen *createMapgen(std::string mgname, int mgid,
117 MapgenParams *mgparams);
118 MapgenParams *createMapgenParams(std::string mgname);
119 void triggerAllThreads();
120 bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
122 void registerMapgen(std::string name, MapgenFactory *mgfactory);
123 MapgenParams *getParamsFromSettings(Settings *settings);
124 void setParamsToSettings(Settings *settings);
126 //mapgen helper methods
127 Biome *getBiomeAtPoint(v3s16 p);
128 int getGroundLevelAtPoint(v2s16 p);
129 bool isBlockUnderground(v3s16 blockpos);
130 u32 getBlockSeed(v3s16 p);