3 Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef MAPGEN_V7_HEADER
21 #define MAPGEN_V7_HEADER
25 /////////////////// Mapgen V7 flags
26 #define MGV7_MOUNTAINS 0x01
27 #define MGV7_RIDGES 0x02
31 extern FlagDesc flagdesc_mapgen_v7[];
34 struct MapgenV7Params : public MapgenSpecificParams {
36 NoiseParams np_terrain_base;
37 NoiseParams np_terrain_alt;
38 NoiseParams np_terrain_persist;
39 NoiseParams np_height_select;
40 NoiseParams np_filler_depth;
41 NoiseParams np_mount_height;
42 NoiseParams np_ridge_uwater;
43 NoiseParams np_mountain;
51 void readParams(const Settings *settings);
52 void writeParams(Settings *settings) const;
55 class MapgenV7 : public Mapgen {
57 EmergeManager *m_emerge;
71 Noise *noise_terrain_base;
72 Noise *noise_terrain_alt;
73 Noise *noise_terrain_persist;
74 Noise *noise_height_select;
75 Noise *noise_filler_depth;
76 Noise *noise_mount_height;
77 Noise *noise_ridge_uwater;
78 Noise *noise_mountain;
84 Noise *noise_humidity;
87 content_t c_water_source;
88 content_t c_lava_source;
89 content_t c_desert_stone;
91 content_t c_sandstone;
94 content_t c_stair_cobble;
95 content_t c_mossycobble;
96 content_t c_sandstonebrick;
97 content_t c_stair_sandstonebrick;
99 MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge);
102 virtual void makeChunk(BlockMakeData *data);
103 int getGroundLevelAtPoint(v2s16 p);
104 Biome *getBiomeAtPoint(v3s16 p);
106 float baseTerrainLevelAtPoint(int x, int z);
107 float baseTerrainLevelFromMap(int index);
108 bool getMountainTerrainAtPoint(int x, int y, int z);
109 bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, int y);
111 void calculateNoise();
113 virtual int generateTerrain();
114 int generateBaseTerrain();
115 int generateMountainTerrain(int ymax);
116 void generateRidgeTerrain();
118 MgStoneType generateBiomes(float *heat_map, float *humidity_map);
121 //void addTopNodes();
123 void generateCaves(int max_stone_y);
126 struct MapgenFactoryV7 : public MapgenFactory {
127 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
129 return new MapgenV7(mgid, params, emerge);
132 MapgenSpecificParams *createMapgenParams()
134 return new MapgenV7Params();