3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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.
23 #include "irrlichttypes_extrabloated.h"
24 #include "util/container.h" // UniqueQueue
31 /////////////////// Mapgen flags
34 #define MG_DUNGEONS 0x04
35 #define MGV6_FORESTS 0x08
36 #define MGV6_BIOME_BLEND 0x10
39 class BiomeDefManager;
43 class ManualMapVoxelManipulator;
44 class VoxelManipulator;
45 class INodeDefManager;
47 struct BlockMakeData {
49 ManualMapVoxelManipulator *vmanip;
53 v3s16 blockpos_requested;
54 UniqueQueue<v3s16> transforming_liquid;
55 INodeDefManager *nodedef;
73 flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
76 virtual bool readParams(Settings *settings) = 0;
77 virtual void writeParams(Settings *settings) {};
87 virtual void makeChunk(BlockMakeData *data) {};
88 virtual int getGroundLevelAtPoint(v2s16 p) = 0;
90 //Legacy functions for Farmesh (pending removal)
91 static bool get_have_beach(u64 seed, v2s16 p2d);
92 static double tree_amount_2d(u64 seed, v2s16 p);
93 static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
96 struct MapgenFactory {
97 virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
98 EmergeManager *emerge) = 0;
99 virtual MapgenParams *createMapgenParams() = 0;
102 class EmergeManager {
104 std::map<std::string, MapgenFactory *> mglist;
107 MapgenParams *params;
109 //mapgen objects here
113 BiomeDefManager *biomedef;
115 EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef);
118 void initMapgens(MapgenParams *mgparams);
119 Mapgen *createMapgen(std::string mgname, int mgid,
120 MapgenParams *mgparams, EmergeManager *emerge);
121 MapgenParams *createMapgenParams(std::string mgname);
123 void addBlockToQueue();
125 void registerMapgen(std::string name, MapgenFactory *mgfactory);
126 MapgenParams *getParamsFromSettings(Settings *settings);
127 void setParamsToSettings(Settings *settings);
129 //mapgen helper methods
130 Biome *getBiomeAtPoint(v3s16 p);
131 int getGroundLevelAtPoint(v2s16 p);
132 bool isBlockUnderground(v3s16 blockpos);
133 u32 getBlockSeed(v3s16 p);