summaryrefslogtreecommitdiff
path: root/src/mapgen_v7.h
blob: bcf362ac92a66b92086b556ad0bc2c2780959869 (plain)
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
/*
Minetest
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>

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.
*/

#ifndef MAPGEN_V7_HEADER
#define MAPGEN_V7_HEADER

#include "mapgen.h"

/////////////////// Mapgen V7 flags
#define MGV7_MOUNTAINS   0x01
#define MGV7_RIDGES      0x02

class BiomeManager;

extern FlagDesc flagdesc_mapgen_v7[];


struct MapgenV7Params : public MapgenSpecificParams {
	u32 spflags;
	NoiseParams np_terrain_base;
	NoiseParams np_terrain_alt;
	NoiseParams np_terrain_persist;
	NoiseParams np_height_select;
	NoiseParams np_filler_depth;
	NoiseParams np_mount_height;
	NoiseParams np_ridge_uwater;
	NoiseParams np_mountain;
	NoiseParams np_ridge;
	NoiseParams np_cave1;
	NoiseParams np_cave2;

	MapgenV7Params();
	~MapgenV7Params() {}

	void readParams(Settings *settings);
	void writeParams(Settings *settings);
};

class MapgenV7 : public Mapgen {
public:
	EmergeManager *m_emerge;
	BiomeManager *bmgr;

	int ystride;
	int zstride;
	u32 spflags;

	v3s16 node_min;
	v3s16 node_max;
	v3s16 full_node_min;
	v3s16 full_node_max;

	s16 *ridge_heightmap;

	Noise *noise_terrain_base;
	Noise *noise_terrain_alt;
	Noise *noise_terrain_persist;
	Noise *noise_height_select;
	Noise *noise_filler_depth;
	Noise *noise_mount_height;
	Noise *noise_ridge_uwater;
	Noise *noise_mountain;
	Noise *noise_ridge;
	Noise *noise_cave1;
	Noise *noise_cave2;

	Noise *noise_heat;
	Noise *noise_humidity;

	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_ice;
	content_t c_gravel;
	content_t c_cobble;
	content_t c_desert_sand;
	content_t c_desert_stone;

	MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge);
	~MapgenV7();

	virtual void makeChunk(BlockMakeData *data);
	int getGroundLevelAtPoint(v2s16 p);
	Biome *getBiomeAtPoint(v3s16 p);

	float baseTerrainLevelAtPoint(int x, int z);
	float baseTerrainLevelFromMap(int index);
	bool getMountainTerrainAtPoint(int x, int y, int z);
	bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, int y);

	void calculateNoise();

	virtual int generateTerrain();
	int generateBaseTerrain();
	int generateMountainTerrain(int ymax);
	void generateRidgeTerrain();

	void generateBiomes();
	void dustTopNodes();

	//void addTopNodes();

	void generateCaves(int max_stone_y);
};

struct MapgenFactoryV7 : public MapgenFactory {
	Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
	{
		return new MapgenV7(mgid, params, emerge);
	};

	MapgenSpecificParams *createMapgenParams()
	{
		return new MapgenV7Params();
	};
};

#endif