3 Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
4 Copyright (C) 2010-2015 paramat, Matt Gregory
5 Copyright (C) 2016 Duane Robertson <duane@duanerobertson.com>
7 Based on Valleys Mapgen by Gael de Sailly
8 (https://forum.minetest.net/viewtopic.php?f=9&t=11430)
9 and mapgen_v7 by kwolekr and paramat.
11 Licensing changed by permission of Gael de Sailly.
13 This program is free software; you can redistribute it and/or modify
14 it under the terms of the GNU Lesser General Public License as published by
15 the Free Software Foundation; either version 2.1 of the License, or
16 (at your option) any later version.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU Lesser General Public License for more details.
23 You should have received a copy of the GNU Lesser General Public License along
24 with this program; if not, write to the Free Software Foundation, Inc.,
25 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #ifndef MAPGEN_VALLEYS_HEADER
29 #define MAPGEN_VALLEYS_HEADER
33 /////////////////// Mapgen Valleys flags
34 #define MG_VALLEYS_ALT_CHILL 0x01
35 #define MG_VALLEYS_CLIFFS 0x02
36 #define MG_VALLEYS_FAST 0x04
37 #define MG_VALLEYS_HUMID_RIVERS 0x08
38 #define MG_VALLEYS_RUGGED 0x10
44 //extern Profiler *mapgen_profiler;
47 struct MapgenValleysParams : public MapgenSpecificParams {
51 s16 cave_water_max_height;
53 s16 humidity_break_point;
60 NoiseParams np_biome_heat;
61 NoiseParams np_biome_heat_blend;
62 NoiseParams np_biome_humidity;
63 NoiseParams np_biome_humidity_blend;
64 NoiseParams np_cliffs;
66 NoiseParams np_filler_depth;
67 NoiseParams np_inter_valley_fill;
68 NoiseParams np_inter_valley_slope;
69 NoiseParams np_rivers;
70 NoiseParams np_simple_caves_1;
71 NoiseParams np_simple_caves_2;
72 NoiseParams np_terrain_height;
73 NoiseParams np_valley_depth;
74 NoiseParams np_valley_profile;
76 MapgenValleysParams();
77 ~MapgenValleysParams() {}
79 void readParams(const Settings *settings);
80 void writeParams(Settings *settings) const;
91 float inter_valley_fill;
96 class MapgenValleys : public Mapgen {
99 MapgenValleys(int mapgenid, MapgenParams *params, EmergeManager *emerge);
102 virtual void makeChunk(BlockMakeData *data);
103 inline int getGroundLevelAtPoint(v2s16 p);
106 EmergeManager *m_emerge;
117 bool use_altitude_chill;
124 Noise *noise_filler_depth;
129 Noise *noise_heat_blend;
130 Noise *noise_humidity;
131 Noise *noise_humidity_blend;
132 Noise *noise_inter_valley_fill;
133 Noise *noise_inter_valley_slope;
135 Noise *noise_simple_caves_1;
136 Noise *noise_simple_caves_2;
137 Noise *noise_terrain_height;
138 Noise *noise_valley_depth;
139 Noise *noise_valley_profile;
141 float altitude_chill;
142 float cave_water_max_height;
143 float humidity_adjust;
144 float humidity_break_point;
145 float lava_max_height;
148 float temperature_adjust;
152 content_t c_desert_stone;
155 content_t c_lava_source;
156 content_t c_mossycobble;
157 content_t c_river_water_source;
159 content_t c_sandstone;
160 content_t c_sandstonebrick;
161 content_t c_stair_cobble;
162 content_t c_stair_sandstonebrick;
164 content_t c_water_source;
166 float terrainLevelAtPoint(s16 x, s16 z);
168 void calculateNoise();
170 virtual int generateTerrain();
171 float terrainLevelFromNoise(TerrainNoise *tn);
172 float adjustedTerrainLevelFromNoise(TerrainNoise *tn);
174 float humidityByTerrain(float humidity_base, float mount, float rivers, float valley);
176 MgStoneType generateBiomes(float *heat_map, float *humidity_map);
179 void generateSimpleCaves(s16 max_stone_y);
182 struct MapgenFactoryValleys : public MapgenFactory {
183 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
185 return new MapgenValleys(mgid, params, emerge);
188 MapgenSpecificParams *createMapgenParams()
190 return new MapgenValleysParams();