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 extern NoiseParams nparams_v7_def_terrain_base;
26 extern NoiseParams nparams_v7_def_terrain_alt;
27 extern NoiseParams nparams_v7_def_terrain_persist;
28 extern NoiseParams nparams_v7_def_height_select;
29 extern NoiseParams nparams_v7_def_filler_depth;
30 extern NoiseParams nparams_v7_def_mount_height;
31 extern NoiseParams nparams_v7_def_ridge_uwater;
32 extern NoiseParams nparams_v7_def_mountain;
33 extern NoiseParams nparams_v7_def_ridge;
35 struct MapgenV7Params : public MapgenParams {
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;
47 np_terrain_base = nparams_v7_def_terrain_base;
48 np_terrain_alt = nparams_v7_def_terrain_alt;
49 np_terrain_persist = nparams_v7_def_terrain_persist;
50 np_height_select = nparams_v7_def_height_select;
51 np_filler_depth = nparams_v7_def_filler_depth;
52 np_mount_height = nparams_v7_def_mount_height;
53 np_ridge_uwater = nparams_v7_def_ridge_uwater;
54 np_mountain = nparams_v7_def_mountain;
55 np_ridge = nparams_v7_def_ridge;
60 bool readParams(Settings *settings);
61 void writeParams(Settings *settings);
64 class MapgenV7 : public Mapgen {
66 EmergeManager *emerge;
67 BiomeDefManager *bmgr;
81 Noise *noise_terrain_base;
82 Noise *noise_terrain_alt;
83 Noise *noise_terrain_persist;
84 Noise *noise_height_select;
85 Noise *noise_filler_depth;
86 Noise *noise_mount_height;
87 Noise *noise_ridge_uwater;
88 Noise *noise_mountain;
92 Noise *noise_humidity;
96 content_t c_dirt_with_grass;
98 content_t c_water_source;
99 content_t c_lava_source;
103 content_t c_desert_sand;
104 content_t c_desert_stone;
106 MapgenV7(int mapgenid, MapgenV7Params *params, EmergeManager *emerge);
109 virtual void makeChunk(BlockMakeData *data);
110 int getGroundLevelAtPoint(v2s16 p);
111 Biome *getBiomeAtPoint(v3s16 p);
113 float baseTerrainLevelAtPoint(int x, int z);
114 float baseTerrainLevelFromMap(int index);
115 bool getMountainTerrainAtPoint(int x, int y, int z);
116 bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, int y);
118 void calculateNoise();
120 virtual int generateTerrain();
121 int generateBaseTerrain();
122 void generateMountainTerrain();
123 void generateRidgeTerrain();
125 void generateBiomes();
128 //void addTopNodes();
130 void generateCaves(int max_stone_y);
133 struct MapgenFactoryV7 : public MapgenFactory {
134 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
135 return new MapgenV7(mgid, (MapgenV7Params *)params, emerge);
138 MapgenParams *createMapgenParams() {
139 return new MapgenV7Params();