1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/*
Minetest
Copyright (C) 2010-2018 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2013-2018 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
Copyright (C) 2014-2018 paramat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "mapgen.h"
#include "noise.h"
#define MGV6_AVERAGE_MUD_AMOUNT 4
#define MGV6_DESERT_STONE_BASE -32
#define MGV6_ICE_BASE 0
#define MGV6_FREQ_HOT 0.4
#define MGV6_FREQ_SNOW -0.4
#define MGV6_FREQ_TAIGA 0.5
#define MGV6_FREQ_JUNGLE 0.5
//////////// Mapgen V6 flags
#define MGV6_JUNGLES 0x01
#define MGV6_BIOMEBLEND 0x02
#define MGV6_MUDFLOW 0x04
#define MGV6_SNOWBIOMES 0x08
#define MGV6_FLAT 0x10
#define MGV6_TREES 0x20
extern FlagDesc flagdesc_mapgen_v6[];
enum BiomeV6Type
{
BT_NORMAL,
BT_DESERT,
BT_JUNGLE,
BT_TUNDRA,
BT_TAIGA,
};
struct MapgenV6Params : public MapgenParams {
float freq_desert = 0.45f;
float freq_beach = 0.15f;
s16 dungeon_ymin = -31000;
s16 dungeon_ymax = 31000;
NoiseParams np_terrain_base;
NoiseParams np_terrain_higher;
NoiseParams np_steepness;
NoiseParams np_height_select;
NoiseParams np_mud;
NoiseParams np_beach;
NoiseParams np_biome;
NoiseParams np_cave;
NoiseParams np_humidity;
NoiseParams np_trees;
NoiseParams np_apple_trees;
MapgenV6Params();
~MapgenV6Params() = default;
void readParams(const Settings *settings);
void writeParams(Settings *settings) const;
void setDefaultSettings(Settings *settings);
};
class MapgenV6 : public Mapgen {
public:
EmergeParams *m_emerge;
int ystride;
u32 spflags;
v3s16 node_min;
v3s16 node_max;
v3s16 full_node_min;
v3s16 full_node_max;
v3s16 central_area_size;
Noise *noise_terrain_base;
Noise *noise_terrain_higher;
Noise *noise_steepness;
Noise *noise_height_select;
Noise *noise_mud;
Noise *noise_beach;
Noise *noise_biome;
Noise *noise_humidity;
NoiseParams *np_cave;
NoiseParams *np_humidity;
NoiseParams *np_trees;
NoiseParams *np_apple_trees;
NoiseParams np_dungeons;
float freq_desert;
float freq_beach;
s16 dungeon_ymin;
s16 dungeon_ymax;
content_t c_stone;
content_t c_dirt;
content_t c_dirt_with_grass;
content_t c_sand;
content_t c_water_source;
content_t c_lava_source;
content_t c_gravel;
content_t c_desert_stone;
content_t c_desert_sand;
content_t c_dirt_with_snow;
content_t c_snow;
content_t c_snowblock;
content_t c_ice;
content_t c_cobble;
content_t c_mossycobble;
content_t c_stair_cobble;
content_t c_stair_desert_stone;
MapgenV6(MapgenV6Params *params, EmergeParams *emerge);
~MapgenV6();
virtual MapgenType getType() const { return MAPGEN_V6; }
void makeChunk(BlockMakeData *data);
int getGroundLevelAtPoint(v2s16 p);
int getSpawnLevelAtPoint(v2s16 p);
float baseTerrainLevel(float terrain_base, float terrain_higher,
float steepness, float height_select);
virtual float baseTerrainLevelFromNoise(v2s16 p);
virtual float baseTerrainLevelFromMap(v2s16 p);
virtual float baseTerrainLevelFromMap(int index);
s16 find_stone_level(v2s16 p2d);
bool block_is_underground(u64 seed, v3s16 blockpos);
float getHumidity(v2s16 p);
float getTreeAmount(v2s16 p);
bool getHaveAppleTree(v2s16 p);
float getMudAmount(int index);
bool getHaveBeach(int index);
BiomeV6Type getBiome(v2s16 p);
BiomeV6Type getBiome(int index, v2s16 p);
u32 get_blockseed(u64 seed, v3s16 p);
virtual void calculateNoise();
int generateGround();
void addMud();
void flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos);
void moveMud(u32 remove_index, u32 place_index,
u32 above_remove_index, v2s16 pos, v3s16 em);
void growGrass();
void placeTreesAndJungleGrass();
virtual void generateCaves(int max_stone_y);
};
|
