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- /*
- Minetest
- Copyright (C) 2010-2018 celeron55, Perttu Ahola <celeron55@gmail.com>
- Copyright (C) 2013-2018 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
- Copyright (C) 2014-2018 paramat
- 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.
- */
- #pragma once
- #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
- #define MGV6_TEMPLES 0x40
- extern FlagDesc flagdesc_mapgen_v6[];
- enum BiomeV6Type
- {
- BT_NORMAL,
- BT_DESERT,
- BT_JUNGLE,
- BT_TUNDRA,
- BT_TAIGA,
- };
- struct MapgenV6Params : public MapgenParams {
- float freq_desert = 0.45f;
- float freq_beach = 0.15f;
- s16 dungeon_ymin = -31000;
- s16 dungeon_ymax = 31000;
- 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() = default;
- void readParams(const Settings *settings);
- void writeParams(Settings *settings) const;
- void setDefaultSettings(Settings *settings);
- };
- class MapgenV6 : public Mapgen {
- public:
- int ystride;
- u32 spflags;
- v3s16 node_min;
- v3s16 node_max;
- v3s16 full_node_min;
- v3s16 full_node_max;
- v3s16 central_area_size;
- 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;
- NoiseParams np_dungeons;
- float freq_desert;
- float freq_beach;
- s16 dungeon_ymin;
- s16 dungeon_ymax;
- 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;
- content_t c_stair_desert_stone;
- MapgenV6(MapgenV6Params *params, EmergeParams *emerge);
- ~MapgenV6();
- virtual MapgenType getType() const { return MAPGEN_V6; }
- 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);
- float getHumidity(v2s16 p);
- float getTreeAmount(v2s16 p);
- bool getHaveAppleTree(v2s16 p);
- float getMudAmount(int index);
- 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 moveMud(u32 remove_index, u32 place_index,
- u32 above_remove_index, v2s16 pos, v3s16 em);
- void growGrass();
- void placeTreesAndJungleGrass();
- virtual void generateCaves(int max_stone_y);
- };
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