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1 /*
2 Minetest
3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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 MAPGENINDEV_HEADER
21 #define MAPGENINDEV_HEADER
22
23 #include "mapgen.h"
24 #include "mapgen_v6.h"
25
26 float farscale(float scale, float z);
27 float farscale(float scale, float x, float z);
28 float farscale(float scale, float x, float y, float z);
29
30 struct NoiseIndevParams : public NoiseParams {
31         float farscale;
32         float farspread;
33
34         NoiseIndevParams(){}
35         NoiseIndevParams(float offset_, float scale_, v3f spread_, int seed_, int octaves_, float persist_, float farscale_ = 1, float farspread_ = 1)
36         {
37                 offset = offset_;
38                 scale = scale_;
39                 spread = spread_;
40                 seed = seed_;
41                 octaves = octaves_;
42                 persist = persist_;
43
44                 farscale = farscale_;
45                 farspread = farspread_;
46         }
47
48 };
49
50 #define getNoiseIndevParams(x) getStruct<NoiseIndevParams>((x), "f,f,v3,s32,s32,f,f,f")
51 #define setNoiseIndevParams(x, y) setStruct((x), "f,f,v3,s32,s32,f,f,f", (y))
52
53 class NoiseIndev : public Noise {
54     public:
55         NoiseIndevParams *npindev;
56
57         //NoiseIndev() {};
58         NoiseIndev(NoiseIndevParams *np, int seed, int sx, int sy);
59         NoiseIndev(NoiseIndevParams *np, int seed, int sx, int sy, int sz);
60         void init(NoiseIndevParams *np, int seed, int sx, int sy, int sz);
61         void transformNoiseMapFarScale(float xx = 0, float yy = 0, float zz = 0);
62 };
63
64 extern NoiseIndevParams nparams_indev_def;
65 /*
66 extern NoiseIndevParams nparams_indev_def_terrain_base;
67 extern NoiseIndevParams nparams_indev_def_terrain_higher;
68 extern NoiseIndevParams nparams_indev_def_steepness;
69 //extern NoiseIndevParams nparams_indev_def_height_select;
70 //extern NoiseIndevParams nparams_indev_def_trees;
71 extern NoiseIndevParams nparams_indev_def_mud;
72 //extern NoiseIndevParams nparams_indev_def_beach;
73 extern NoiseIndevParams nparams_indev_def_biome;
74 //extern NoiseIndevParams nparams_indev_def_cave;
75 extern NoiseIndevParams nparams_indev_def_float_islands;
76 */
77
78 struct MapgenIndevParams : public MapgenV6Params {
79         NoiseIndevParams *npindev_terrain_base;
80         NoiseIndevParams *npindev_terrain_higher;
81         NoiseIndevParams *npindev_steepness;
82         //NoiseParams *np_height_select;
83         //NoiseParams *np_trees;
84         NoiseIndevParams *npindev_mud;
85         //NoiseParams *np_beach;
86         NoiseIndevParams *npindev_biome;
87         //NoiseParams *np_cave;
88         NoiseIndevParams *npindev_float_islands1;
89         NoiseIndevParams *npindev_float_islands2;
90         NoiseIndevParams *npindev_float_islands3;
91
92         MapgenIndevParams() {
93                 //freq_desert       = 0.45;
94                 //freq_beach        = 0.15;
95                 npindev_terrain_base   = &nparams_indev_def; //&nparams_indev_def_terrain_base;
96                 npindev_terrain_higher = &nparams_indev_def; //&nparams_indev_def_terrain_higher;
97                 npindev_steepness      = &nparams_indev_def; //&nparams_indev_def_steepness;
98                 //np_height_select  = &nparams_v6_def_height_select;
99                 //np_trees          = &nparams_v6_def_trees;
100                 npindev_mud            = &nparams_indev_def; //&nparams_indev_def_mud;
101                 //np_beach          = &nparams_v6_def_beach;
102                 npindev_biome          = &nparams_indev_def; //&nparams_indev_def_biome;
103                 //np_cave           = &nparams_v6_def_cave;
104                 npindev_float_islands1  = &nparams_indev_def; //&nparams_indev_def_float_islands;
105                 npindev_float_islands2  = &nparams_indev_def; //&nparams_indev_def_float_islands;
106                 npindev_float_islands3  = &nparams_indev_def; //&nparams_indev_def_float_islands;
107
108         }
109
110         bool readParams(Settings *settings);
111         void writeParams(Settings *settings);
112 };
113
114 class MapgenIndev : public MapgenV6 {
115     public:
116         NoiseIndev *noiseindev_terrain_base;
117         NoiseIndev *noiseindev_terrain_higher;
118         NoiseIndev *noiseindev_steepness;
119         //NoiseIndev *noise_height_select;
120         //NoiseIndev *noise_trees;
121         NoiseIndev *noiseindev_mud;
122         //NoiseIndev *noise_beach;
123         NoiseIndev *noiseindev_biome;
124         //NoiseIndevParams *np_cave;
125         NoiseIndev *noiseindev_float_islands1;
126         NoiseIndev *noiseindev_float_islands2;
127         NoiseIndev *noiseindev_float_islands3;
128
129         MapgenIndev(int mapgenid, MapgenIndevParams *params, EmergeManager *emerge);
130         ~MapgenIndev();
131         void calculateNoise();
132
133         float baseTerrainLevelFromNoise(v2s16 p);
134         float baseTerrainLevelFromMap(int index);
135         float getMudAmount(int index);
136         void defineCave(Cave & cave, PseudoRandom ps, v3s16 node_min, bool large_cave);
137         void generateSomething();
138         
139         void generateFloatIslands(int min_y);
140 };
141
142 struct MapgenFactoryIndev : public MapgenFactoryV6 {
143         Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
144                 return new MapgenIndev(mgid, (MapgenIndevParams *)params, emerge);
145         };
146
147         MapgenParams *createMapgenParams() {
148                 return new MapgenIndevParams();
149         };
150 };
151
152 #endif