3 Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
4 Copyright (C) 2010-2015 paramat, Matt Gregory
6 Fractal formulas from http://www.bugman123.com/Hypercomplex/index.html
7 by Paul Nylander, and from http://www.fractalforums.com, thank you.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License along
20 with this program; if not, write to the Free Software Foundation, Inc.,
21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #ifndef MAPGEN_FRACTAL_HEADER
25 #define MAPGEN_FRACTAL_HEADER
29 #define MGFRACTAL_LARGE_CAVE_DEPTH -33
33 extern FlagDesc flagdesc_mapgen_fractal[];
36 struct MapgenFractalParams : public MapgenSpecificParams {
48 NoiseParams np_seabed;
49 NoiseParams np_filler_depth;
53 MapgenFractalParams();
54 ~MapgenFractalParams() {}
56 void readParams(const Settings *settings);
57 void writeParams(Settings *settings) const;
60 class MapgenFractal : public Mapgen {
62 EmergeManager *m_emerge;
87 Noise *noise_filler_depth;
92 content_t c_water_source;
93 content_t c_lava_source;
94 content_t c_desert_stone;
96 content_t c_sandstone;
99 content_t c_stair_cobble;
100 content_t c_mossycobble;
101 content_t c_sandstonebrick;
102 content_t c_stair_sandstonebrick;
104 MapgenFractal(int mapgenid, MapgenParams *params, EmergeManager *emerge);
107 virtual void makeChunk(BlockMakeData *data);
108 int getSpawnLevelAtPoint(v2s16 p);
109 void calculateNoise();
110 bool getFractalAtPoint(s16 x, s16 y, s16 z);
111 s16 generateTerrain();
112 MgStoneType generateBiomes();
114 void generateCaves(s16 max_stone_y);
117 struct MapgenFactoryFractal : public MapgenFactory {
118 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
120 return new MapgenFractal(mgid, params, emerge);
123 MapgenSpecificParams *createMapgenParams()
125 return new MapgenFractalParams();