minetest/src/mapgen_v6.h
paramat 4adbd69a37 FindSpawnPos: Let mapgens decide what spawn altitude is suitable
To avoid spawn search failing in new specialised mapgens
Increase spawn search range to 4000 nodes
Add getSpawnLevelAtPoint() functions to EmergeManager, class Mapgen
and all mapgens
Remove getGroundLevelAtPoint() functions from all mapgens except mgv6
(possibly to be re-added later in the correct form to return actual
ground level)
Make mgvalleys flag names consistent with other mapgens
Remove now unused 'vertical spawn range' setting
2016-02-09 07:14:45 +00:00

180 lines
4.2 KiB
C++

/*
Minetest
Copyright (C) 2010-2015 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"
#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 MapgenSpecificParams {
u32 spflags;
float freq_desert;
float freq_beach;
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() {}
void readParams(const Settings *settings);
void writeParams(Settings *settings) const;
};
class MapgenV6 : public Mapgen {
public:
EmergeManager *m_emerge;
int ystride;
u32 spflags;
v3s16 node_min;
v3s16 node_max;
v3s16 full_node_min;
v3s16 full_node_max;
v3s16 central_area_size;
int volume_nodes;
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;
float freq_desert;
float freq_beach;
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;
MapgenV6(int mapgenid, MapgenParams *params, EmergeManager *emerge);
~MapgenV6();
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);
s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
float getHumidity(v2s16 p);
float getTreeAmount(v2s16 p);
bool getHaveAppleTree(v2s16 p);
float getMudAmount(v2s16 p);
virtual float getMudAmount(int index);
bool getHaveBeach(v2s16 p);
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 growGrass();
void placeTreesAndJungleGrass();
virtual void generateCaves(int max_stone_y);
};
struct MapgenFactoryV6 : public MapgenFactory {
Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
{
return new MapgenV6(mgid, params, emerge);
};
MapgenSpecificParams *createMapgenParams()
{
return new MapgenV6Params();
};
};
#endif