minetest/src/mapgen_v6.h

142 lines
3.9 KiB
C++

/*
Minetest-c55
Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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 MAPGENV6_HEADER
#define MAPGENV6_HEADER
#include "mapgen.h"
#define AVERAGE_MUD_AMOUNT 4
enum BiomeType
{
BT_NORMAL,
BT_DESERT
};
extern NoiseParams nparams_v6_def_terrain_base;
extern NoiseParams nparams_v6_def_terrain_higher;
extern NoiseParams nparams_v6_def_steepness;
extern NoiseParams nparams_v6_def_height_select;
extern NoiseParams nparams_v6_def_trees;
extern NoiseParams nparams_v6_def_mud;
extern NoiseParams nparams_v6_def_beach;
extern NoiseParams nparams_v6_def_biome;
extern NoiseParams nparams_v6_def_cave;
struct MapgenV6Params : public MapgenParams {
float freq_desert;
float freq_beach;
NoiseParams *np_terrain_base;
NoiseParams *np_terrain_higher;
NoiseParams *np_steepness;
NoiseParams *np_height_select;
NoiseParams *np_trees;
NoiseParams *np_mud;
NoiseParams *np_beach;
NoiseParams *np_biome;
NoiseParams *np_cave;
MapgenV6Params() {
freq_desert = 0.45;
freq_beach = 0.15;
np_terrain_base = &nparams_v6_def_terrain_base;
np_terrain_higher = &nparams_v6_def_terrain_higher;
np_steepness = &nparams_v6_def_steepness;
np_height_select = &nparams_v6_def_height_select;
np_trees = &nparams_v6_def_trees;
np_mud = &nparams_v6_def_mud;
np_beach = &nparams_v6_def_beach;
np_biome = &nparams_v6_def_biome;
np_cave = &nparams_v6_def_cave;
}
bool readParams(Settings *settings);
void writeParams(Settings *settings);
};
class MapgenV6 : public Mapgen {
public:
//ManualMapVoxelManipulator &vmanip;
int ystride;
v3s16 csize;
v3s16 node_min;
v3s16 node_max;
Noise *noise_terrain_base;
Noise *noise_terrain_higher;
Noise *noise_steepness;
Noise *noise_height_select;
Noise *noise_trees;
Noise *noise_mud;
Noise *noise_beach;
Noise *noise_biome;
float *map_terrain_base;
float *map_terrain_higher;
float *map_steepness;
float *map_height_select;
float *map_trees;
float *map_mud;
float *map_beach;
float *map_biome;
NoiseParams *np_cave;
u32 flags;
float freq_desert;
float freq_beach;
MapgenV6(int mapgenid, MapgenV6Params *params);
~MapgenV6();
void makeChunk(BlockMakeData *data);
int getGroundLevelAtPoint(v2s16 p);
double baseRockLevelFromNoise(v2s16 p);
static s16 find_ground_level(VoxelManipulator &vmanip,
v2s16 p2d, INodeDefManager *ndef);
static s16 find_stone_level(VoxelManipulator &vmanip,
v2s16 p2d, INodeDefManager *ndef);
void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
bool is_apple_tree, INodeDefManager *ndef);
double tree_amount_2d(u64 seed, v2s16 p);
bool block_is_underground(u64 seed, v3s16 blockpos);
double base_rock_level_2d(u64 seed, v2s16 p);
s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
double get_mud_add_amount(u64 seed, v2s16 p);
bool get_have_beach(u64 seed, v2s16 p2d);
BiomeType get_biome(u64 seed, v2s16 p2d);
u32 get_blockseed(u64 seed, v3s16 p);
};
struct MapgenFactoryV6 : public MapgenFactory {
Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
return new MapgenV6(mgid, (MapgenV6Params *)params);
};
MapgenParams *createMapgenParams() {
return new MapgenV6Params();
};
};
#endif