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_V7_HEADER
22 #define MAPGEN_V7_HEADER
26 /////////////////// Mapgen V7 flags
27 #define MGV7_MOUNTAINS 0x01
28 #define MGV7_RIDGES 0x02
32 extern FlagDesc flagdesc_mapgen_v7[];
35 struct MapgenV7Params : public MapgenSpecificParams {
37 NoiseParams np_terrain_base;
38 NoiseParams np_terrain_alt;
39 NoiseParams np_terrain_persist;
40 NoiseParams np_height_select;
41 NoiseParams np_filler_depth;
42 NoiseParams np_mount_height;
43 NoiseParams np_ridge_uwater;
44 NoiseParams np_mountain;
52 void readParams(const Settings *settings);
53 void writeParams(Settings *settings) const;
56 class MapgenV7 : public Mapgen {
58 EmergeManager *m_emerge;
72 Noise *noise_terrain_base;
73 Noise *noise_terrain_alt;
74 Noise *noise_terrain_persist;
75 Noise *noise_height_select;
76 Noise *noise_filler_depth;
77 Noise *noise_mount_height;
78 Noise *noise_ridge_uwater;
79 Noise *noise_mountain;
85 Noise *noise_humidity;
86 Noise *noise_heat_blend;
87 Noise *noise_humidity_blend;
90 content_t c_water_source;
91 content_t c_lava_source;
92 content_t c_desert_stone;
94 content_t c_sandstone;
97 content_t c_stair_cobble;
98 content_t c_mossycobble;
99 content_t c_sandstonebrick;
100 content_t c_stair_sandstonebrick;
102 MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge);
105 virtual void makeChunk(BlockMakeData *data);
106 int getGroundLevelAtPoint(v2s16 p);
107 Biome *getBiomeAtPoint(v3s16 p);
109 float baseTerrainLevelAtPoint(s16 x, s16 z);
110 float baseTerrainLevelFromMap(int index);
111 bool getMountainTerrainAtPoint(s16 x, s16 y, s16 z);
112 bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, s16 y);
114 void calculateNoise();
116 virtual int generateTerrain();
117 void generateBaseTerrain(s16 *stone_surface_min_y, s16 *stone_surface_max_y);
118 int generateMountainTerrain(s16 ymax);
119 void generateRidgeTerrain();
121 MgStoneType generateBiomes(float *heat_map, float *humidity_map);
124 //void addTopNodes();
126 void generateCaves(s16 max_stone_y);
129 struct MapgenFactoryV7 : public MapgenFactory {
130 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
132 return new MapgenV7(mgid, params, emerge);
135 MapgenSpecificParams *createMapgenParams()
137 return new MapgenV7Params();