3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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 MAPGENV6_HEADER
21 #define MAPGENV6_HEADER
25 #define AVERAGE_MUD_AMOUNT 4
27 /////////////////// Mapgen V6 flags
28 #define MGV6_JUNGLES 0x01
29 #define MGV6_BIOMEBLEND 0x02
30 #define MGV6_MUDFLOW 0x04
33 extern FlagDesc flagdesc_mapgen_v6[];
42 struct MapgenV6Params : public MapgenSpecificParams {
46 NoiseParams np_terrain_base;
47 NoiseParams np_terrain_higher;
48 NoiseParams np_steepness;
49 NoiseParams np_height_select;
54 NoiseParams np_humidity;
56 NoiseParams np_apple_trees;
61 void readParams(Settings *settings);
62 void writeParams(Settings *settings);
65 class MapgenV6 : public Mapgen {
67 EmergeManager *emerge;
78 v3s16 central_area_size;
81 Noise *noise_terrain_base;
82 Noise *noise_terrain_higher;
83 Noise *noise_steepness;
84 Noise *noise_height_select;
89 NoiseParams *np_humidity;
90 NoiseParams *np_trees;
91 NoiseParams *np_apple_trees;
97 content_t c_dirt_with_grass;
99 content_t c_water_source;
100 content_t c_lava_source;
103 content_t c_desert_sand;
104 content_t c_desert_stone;
106 content_t c_mossycobble;
107 content_t c_sandbrick;
108 content_t c_stair_cobble;
109 content_t c_stair_sandstone;
111 MapgenV6(int mapgenid, MapgenParams *params, EmergeManager *emerge);
114 void makeChunk(BlockMakeData *data);
115 int getGroundLevelAtPoint(v2s16 p);
117 float baseTerrainLevel(float terrain_base, float terrain_higher,
118 float steepness, float height_select);
119 virtual float baseTerrainLevelFromNoise(v2s16 p);
120 virtual float baseTerrainLevelFromMap(v2s16 p);
121 virtual float baseTerrainLevelFromMap(int index);
123 s16 find_stone_level(v2s16 p2d);
124 bool block_is_underground(u64 seed, v3s16 blockpos);
125 s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
127 float getHumidity(v2s16 p);
128 float getTreeAmount(v2s16 p);
129 bool getHaveAppleTree(v2s16 p);
130 float getMudAmount(v2s16 p);
131 virtual float getMudAmount(int index);
132 bool getHaveBeach(v2s16 p);
133 bool getHaveBeach(int index);
134 BiomeType getBiome(v2s16 p);
135 BiomeType getBiome(int index, v2s16 p);
137 u32 get_blockseed(u64 seed, v3s16 p);
139 virtual void calculateNoise();
140 int generateGround();
142 void flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos);
143 void addDirtGravelBlobs();
145 void placeTreesAndJungleGrass();
146 virtual void generateCaves(int max_stone_y);
147 virtual void generateExperimental() {}
150 struct MapgenFactoryV6 : public MapgenFactory {
151 Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
152 return new MapgenV6(mgid, params, emerge);
155 MapgenSpecificParams *createMapgenParams() {
156 return new MapgenV6Params();