3 Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
4 Copyright (C) 2010-2015 paramat, Matt Gregory
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License along
17 with this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #ifndef MAPGEN_FRACTAL_HEADER
22 #define MAPGEN_FRACTAL_HEADER
26 #define MGFRACTAL_LARGE_CAVE_DEPTH -33
28 /////////////////// Mapgen Fractal flags
29 #define MGFRACTAL_JULIA 0x01
33 extern FlagDesc flagdesc_mapgen_fractal[];
36 struct MapgenFractalParams : public MapgenSpecificParams {
55 NoiseParams np_seabed;
56 NoiseParams np_filler_depth;
60 MapgenFractalParams();
61 ~MapgenFractalParams() {}
63 void readParams(const Settings *settings);
64 void writeParams(Settings *settings) const;
67 class MapgenFractal : public Mapgen {
69 EmergeManager *m_emerge;
98 Noise *noise_filler_depth;
103 Noise *noise_humidity;
104 Noise *noise_heat_blend;
105 Noise *noise_humidity_blend;
108 content_t c_water_source;
109 content_t c_lava_source;
110 content_t c_desert_stone;
112 content_t c_sandstone;
115 content_t c_stair_cobble;
116 content_t c_mossycobble;
117 content_t c_sandstonebrick;
118 content_t c_stair_sandstonebrick;
120 MapgenFractal(int mapgenid, MapgenParams *params, EmergeManager *emerge);
123 virtual void makeChunk(BlockMakeData *data);
124 int getGroundLevelAtPoint(v2s16 p);
125 void calculateNoise();
126 bool getFractalAtPoint(s16 x, s16 y, s16 z);
127 s16 generateTerrain();
128 MgStoneType generateBiomes(float *heat_map, float *humidity_map);
130 void generateCaves(s16 max_stone_y);
133 struct MapgenFactoryFractal : public MapgenFactory {
134 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
136 return new MapgenFractal(mgid, params, emerge);
139 MapgenSpecificParams *createMapgenParams()
141 return new MapgenFractalParams();