3 Copyright (C) 2013-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
4 Copyright (C) 2014-2017 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 cave_width = 0.09f;
41 s16 large_cave_depth = -33;
42 s16 lava_depth = -256;
43 float float_mount_density = 0.6f;
44 float float_mount_height = 128.0f;
45 s16 floatland_level = 1280;
46 s16 shadow_limit = 1024;
47 s16 cavern_limit = -256;
48 s16 cavern_taper = 256;
49 float cavern_threshold = 0.7f;
51 NoiseParams np_terrain_base;
52 NoiseParams np_terrain_alt;
53 NoiseParams np_terrain_persist;
54 NoiseParams np_height_select;
55 NoiseParams np_filler_depth;
56 NoiseParams np_mount_height;
57 NoiseParams np_ridge_uwater;
58 NoiseParams np_floatland_base;
59 NoiseParams np_float_base_height;
60 NoiseParams np_mountain;
62 NoiseParams np_cavern;
67 ~MapgenV7Params() = default;
69 void readParams(const Settings *settings);
70 void writeParams(Settings *settings) const;
73 class MapgenV7 : public MapgenBasic {
75 MapgenV7(int mapgenid, MapgenV7Params *params, EmergeManager *emerge);
78 virtual MapgenType getType() const { return MAPGEN_V7; }
80 virtual void makeChunk(BlockMakeData *data);
81 int getSpawnLevelAtPoint(v2s16 p);
83 float baseTerrainLevelAtPoint(s16 x, s16 z);
84 float baseTerrainLevelFromMap(int index);
85 bool getMountainTerrainAtPoint(s16 x, s16 y, s16 z);
86 bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, s16 y);
87 bool getFloatlandMountainFromMap(int idx_xyz, int idx_xz, s16 y);
88 void floatBaseExtentFromMap(s16 *float_base_min, s16 *float_base_max, int idx_xz);
90 int generateTerrain();
91 void generateRidgeTerrain();
96 float float_mount_density;
97 float float_mount_height;
101 Noise *noise_terrain_base;
102 Noise *noise_terrain_alt;
103 Noise *noise_terrain_persist;
104 Noise *noise_height_select;
105 Noise *noise_mount_height;
106 Noise *noise_ridge_uwater;
107 Noise *noise_floatland_base;
108 Noise *noise_float_base_height;
109 Noise *noise_mountain;