minetest/src/biome.h

100 lines
2.3 KiB
C++

/*
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 BIOME_HEADER
#define 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;
std::string nname_top;
std::string nname_filler;
std::string nname_water;
std::string nname_dust;
std::string nname_dust_water;
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();
~BiomeDefManager();
Biome *createBiome(BiomeTerrainType btt);
void calcBiomes(BiomeNoiseInput *input, u8 *biomeid_map);
Biome *getBiome(float heat, float humidity, s16 y);
void addBiome(Biome *b);
void resolveNodeNames(INodeDefManager *ndef);
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