3 Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
4 Additional development and fractal code by paramat
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 /////////////////// Mapgen Fractal flags
27 #define MGFRACTAL_JULIA 0x01
31 extern FlagDesc flagdesc_mapgen_fractal[];
34 struct MapgenFractalParams : public MapgenSpecificParams {
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;
91 Noise *noise_humidity;
92 Noise *noise_heat_blend;
93 Noise *noise_humidity_blend;
96 content_t c_water_source;
97 content_t c_lava_source;
98 content_t c_desert_stone;
100 content_t c_sandstone;
103 content_t c_stair_cobble;
104 content_t c_mossycobble;
105 content_t c_sandstonebrick;
106 content_t c_stair_sandstonebrick;
108 MapgenFractal(int mapgenid, MapgenParams *params, EmergeManager *emerge);
111 virtual void makeChunk(BlockMakeData *data);
112 int getGroundLevelAtPoint(v2s16 p);
113 void calculateNoise();
114 bool getTerrainAtPoint(s16 x, s16 y, s16 z);
115 s16 generateTerrain();
116 MgStoneType generateBiomes(float *heat_map, float *humidity_map);
118 void generateCaves(s16 max_stone_y);
121 struct MapgenFactoryFractal : public MapgenFactory {
122 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
124 return new MapgenFractal(mgid, params, emerge);
127 MapgenSpecificParams *createMapgenParams()
129 return new MapgenFractalParams();