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;
85 Noise *noise_heat_blend;
86 Noise *noise_humidity_blend;
89 content_t c_water_source;
90 content_t c_lava_source;
91 content_t c_desert_stone;
93 content_t c_sandstone;
96 content_t c_stair_cobble;
97 content_t c_mossycobble;
98 content_t c_sandstonebrick;
99 content_t c_stair_sandstonebrick;
101 MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge);
104 virtual void makeChunk(BlockMakeData *data);
105 int getGroundLevelAtPoint(v2s16 p);
106 Biome *getBiomeAtPoint(v3s16 p);
108 float baseTerrainLevelAtPoint(s16 x, s16 z);
109 float baseTerrainLevelFromMap(int index);
110 bool getMountainTerrainAtPoint(s16 x, s16 y, s16 z);
111 bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, s16 y);
113 void calculateNoise();
115 virtual int generateTerrain();
116 void generateBaseTerrain(s16 *stone_surface_min_y, s16 *stone_surface_max_y);
117 int generateMountainTerrain(s16 ymax);
118 void generateRidgeTerrain();
120 MgStoneType generateBiomes(float *heat_map, float *humidity_map);
123 //void addTopNodes();
125 void generateCaves(s16 max_stone_y);
128 struct MapgenFactoryV7 : public MapgenFactory {
129 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
131 return new MapgenV7(mgid, params, emerge);
134 MapgenSpecificParams *createMapgenParams()
136 return new MapgenV7Params();