3 Copyright (C) 2013-2018 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
4 Copyright (C) 2014-2018 paramat
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.
25 ///////////// Mapgen V7 flags
26 #define MGV7_MOUNTAINS 0x01
27 #define MGV7_RIDGES 0x02
28 #define MGV7_FLOATLANDS 0x04
29 #define MGV7_CAVERNS 0x08
30 #define MGV7_BIOMEREPEAT 0x10 // Now unused
34 extern FlagDesc flagdesc_mapgen_v7[];
37 struct MapgenV7Params : public MapgenParams {
38 u32 spflags = MGV7_MOUNTAINS | MGV7_RIDGES | MGV7_CAVERNS;
39 s16 mount_zero_level = 0;
40 float float_mount_density = 0.6f;
41 float float_mount_height = 128.0f;
42 float float_mount_exponent = 0.75f;
43 s16 floatland_level = 1280;
44 s16 shadow_limit = 1024;
46 float cave_width = 0.09f;
47 s16 large_cave_depth = -33;
48 s16 lava_depth = -256;
49 u16 small_cave_num_min = 0;
50 u16 small_cave_num_max = 0;
51 u16 large_cave_num_min = 0;
52 u16 large_cave_num_max = 2;
53 float large_cave_flooded = 0.5f;
54 s16 cavern_limit = -256;
55 s16 cavern_taper = 256;
56 float cavern_threshold = 0.7f;
57 s16 dungeon_ymin = -31000;
58 s16 dungeon_ymax = 31000;
60 NoiseParams np_terrain_base;
61 NoiseParams np_terrain_alt;
62 NoiseParams np_terrain_persist;
63 NoiseParams np_height_select;
64 NoiseParams np_filler_depth;
65 NoiseParams np_mount_height;
66 NoiseParams np_ridge_uwater;
67 NoiseParams np_floatland_base;
68 NoiseParams np_float_base_height;
69 NoiseParams np_mountain;
71 NoiseParams np_cavern;
74 NoiseParams np_dungeons;
77 ~MapgenV7Params() = default;
79 void readParams(const Settings *settings);
80 void writeParams(Settings *settings) const;
84 class MapgenV7 : public MapgenBasic {
86 MapgenV7(MapgenV7Params *params, EmergeManager *emerge);
89 virtual MapgenType getType() const { return MAPGEN_V7; }
91 virtual void makeChunk(BlockMakeData *data);
92 int getSpawnLevelAtPoint(v2s16 p);
94 float baseTerrainLevelAtPoint(s16 x, s16 z);
95 float baseTerrainLevelFromMap(int index);
96 bool getMountainTerrainAtPoint(s16 x, s16 y, s16 z);
97 bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, s16 y);
98 bool getFloatlandMountainFromMap(int idx_xyz, int idx_xz, s16 y);
99 void floatBaseExtentFromMap(s16 *float_base_min, s16 *float_base_max, int idx_xz);
101 int generateTerrain();
102 void generateRidgeTerrain();
105 s16 mount_zero_level;
106 float float_mount_density;
107 float float_mount_height;
108 float float_mount_exponent;
112 s16 large_cave_depth;
116 Noise *noise_terrain_base;
117 Noise *noise_terrain_alt;
118 Noise *noise_terrain_persist;
119 Noise *noise_height_select;
120 Noise *noise_mount_height;
121 Noise *noise_ridge_uwater;
122 Noise *noise_floatland_base;
123 Noise *noise_float_base_height;
124 Noise *noise_mountain;