Line data Source code
1 : /*
2 : Minetest
3 : Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
4 :
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.
9 :
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.
14 :
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.
18 : */
19 :
20 : #ifndef MAPGEN_V7_HEADER
21 : #define MAPGEN_V7_HEADER
22 :
23 : #include "mapgen.h"
24 :
25 : /////////////////// Mapgen V7 flags
26 : #define MGV7_MOUNTAINS 0x01
27 : #define MGV7_RIDGES 0x02
28 :
29 : class BiomeManager;
30 :
31 : extern FlagDesc flagdesc_mapgen_v7[];
32 :
33 :
34 : struct MapgenV7Params : public MapgenSpecificParams {
35 : u32 spflags;
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;
44 : NoiseParams np_ridge;
45 : NoiseParams np_cave1;
46 : NoiseParams np_cave2;
47 :
48 : MapgenV7Params();
49 0 : ~MapgenV7Params() {}
50 :
51 : void readParams(const Settings *settings);
52 : void writeParams(Settings *settings) const;
53 : };
54 :
55 : class MapgenV7 : public Mapgen {
56 : public:
57 : EmergeManager *m_emerge;
58 : BiomeManager *bmgr;
59 :
60 : int ystride;
61 : int zstride;
62 : u32 spflags;
63 :
64 : v3s16 node_min;
65 : v3s16 node_max;
66 : v3s16 full_node_min;
67 : v3s16 full_node_max;
68 :
69 : s16 *ridge_heightmap;
70 :
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;
79 : Noise *noise_ridge;
80 : Noise *noise_cave1;
81 : Noise *noise_cave2;
82 :
83 : Noise *noise_heat;
84 : Noise *noise_humidity;
85 : Noise *noise_heat_blend;
86 : Noise *noise_humidity_blend;
87 :
88 : content_t c_stone;
89 : content_t c_water_source;
90 : content_t c_lava_source;
91 : content_t c_desert_stone;
92 : content_t c_ice;
93 : content_t c_sandstone;
94 :
95 : content_t c_cobble;
96 : content_t c_stair_cobble;
97 : content_t c_mossycobble;
98 : content_t c_sandstonebrick;
99 : content_t c_stair_sandstonebrick;
100 :
101 : MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge);
102 : ~MapgenV7();
103 :
104 : virtual void makeChunk(BlockMakeData *data);
105 : int getGroundLevelAtPoint(v2s16 p);
106 : Biome *getBiomeAtPoint(v3s16 p);
107 :
108 : float baseTerrainLevelAtPoint(int x, int z);
109 : float baseTerrainLevelFromMap(int index);
110 : bool getMountainTerrainAtPoint(int x, int y, int z);
111 : bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, int y);
112 :
113 : void calculateNoise();
114 :
115 : virtual int generateTerrain();
116 : int generateBaseTerrain();
117 : int generateMountainTerrain(int ymax);
118 : void generateRidgeTerrain();
119 :
120 : MgStoneType generateBiomes(float *heat_map, float *humidity_map);
121 : void dustTopNodes();
122 :
123 : //void addTopNodes();
124 :
125 : void generateCaves(int max_stone_y);
126 : };
127 :
128 1 : struct MapgenFactoryV7 : public MapgenFactory {
129 0 : Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
130 : {
131 0 : return new MapgenV7(mgid, params, emerge);
132 : };
133 :
134 0 : MapgenSpecificParams *createMapgenParams()
135 : {
136 0 : return new MapgenV7Params();
137 : };
138 : };
139 :
140 : #endif
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