aboutsummaryrefslogtreecommitdiff
path: root/src/mg_biome.h
blob: 3724652bd7651637473785383a401214a8cc98e0 (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
/*
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 MG_BIOME_HEADER
#define MG_BIOME_HEADER

#include <string>
#include "nodedef.h"
#include "gamedef.h"
#include "mapnode.h"
#include "noise.h"
#include "mapgen.h"

enum BiomeTerrainType
{
	BIOME_TERRAIN_NORMAL,
	BIOME_TERRAIN_LIQUID,
	BIOME_TERRAIN_NETHER,
	BIOME_TERRAIN_AETHER,
	BIOME_TERRAIN_FLAT
};

extern NoiseParams nparams_biome_def_heat;
extern NoiseParams nparams_biome_def_humidity;

class Biome {
public:
	u8 id;
	std::string name;
	u32 flags;

	content_t c_top;
	content_t c_filler;
	content_t c_water;
	content_t c_dust;
	content_t c_dust_water;

	s16 depth_top;
	s16 depth_filler;

	s16 height_min;
	s16 height_max;
	float heat_point;
	float humidity_point;
};

struct BiomeNoiseInput {
	v2s16 mapsize;
	float *heat_map;
	float *humidity_map;
	s16 *height_map;
};

class BiomeDefManager {
public:
	std::vector<Biome *> biomes;

	bool biome_registration_finished;
	NoiseParams *np_heat;
	NoiseParams *np_humidity;

	BiomeDefManager(NodeResolver *resolver);
	~BiomeDefManager();

	Biome *createBiome(BiomeTerrainType btt);
	void  calcBiomes(BiomeNoiseInput *input, u8 *biomeid_map);
	Biome *getBiome(float heat, float humidity, s16 y);

	bool addBiome(Biome *b);
	u8 getBiomeIdByName(const char *name);

	s16 calcBlockHeat(v3s16 p, u64 seed, float timeofday, float totaltime);
	s16 calcBlockHumidity(v3s16 p, u64 seed, float timeofday, float totaltime);
};

#endif