2a74727857
Add mapgen parameters to set the range of the random number of randomwalk caves per mapchunk, and to set the proportion that are flooded with liquids. Default values are, for now, unchanged from the previous hardcoded values. Add parameters to allow small randomwalk caves Disabled by default for now as they have never been present in the non-mgv6 mapgens.
120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
/*
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Minetest
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Copyright (C) 2017-2019 vlapsley, Vaughan Lapsley <vlapsley@gmail.com>
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Copyright (C) 2017-2019 paramat
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include "mapgen.h"
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#define MGCARPATHIAN_CAVERNS 0x01
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#define MGCARPATHIAN_RIVERS 0x02
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class BiomeManager;
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extern FlagDesc flagdesc_mapgen_carpathian[];
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struct MapgenCarpathianParams : public MapgenParams
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{
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float base_level = 12.0f;
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float river_width = 0.05f;
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float river_depth = 24.0f;
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float valley_width = 0.25f;
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u32 spflags = MGCARPATHIAN_CAVERNS;
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float cave_width = 0.09f;
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s16 large_cave_depth = -33;
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s16 lava_depth = -256;
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u16 small_cave_num_min = 0;
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u16 small_cave_num_max = 0;
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u16 large_cave_num_min = 0;
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u16 large_cave_num_max = 2;
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float large_cave_flooded = 0.5f;
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s16 cavern_limit = -256;
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s16 cavern_taper = 256;
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float cavern_threshold = 0.7f;
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s16 dungeon_ymin = -31000;
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s16 dungeon_ymax = 31000;
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NoiseParams np_filler_depth;
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NoiseParams np_height1;
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NoiseParams np_height2;
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NoiseParams np_height3;
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NoiseParams np_height4;
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NoiseParams np_hills_terrain;
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NoiseParams np_ridge_terrain;
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NoiseParams np_step_terrain;
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NoiseParams np_hills;
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NoiseParams np_ridge_mnt;
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NoiseParams np_step_mnt;
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NoiseParams np_rivers;
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NoiseParams np_mnt_var;
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NoiseParams np_cave1;
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NoiseParams np_cave2;
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NoiseParams np_cavern;
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NoiseParams np_dungeons;
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MapgenCarpathianParams();
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~MapgenCarpathianParams() = default;
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void readParams(const Settings *settings);
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void writeParams(Settings *settings) const;
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};
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class MapgenCarpathian : public MapgenBasic
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{
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public:
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MapgenCarpathian(MapgenCarpathianParams *params, EmergeManager *emerge);
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~MapgenCarpathian();
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virtual MapgenType getType() const { return MAPGEN_CARPATHIAN; }
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virtual void makeChunk(BlockMakeData *data);
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int getSpawnLevelAtPoint(v2s16 p);
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private:
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float base_level;
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float river_width;
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float river_depth;
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float valley_width;
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s16 large_cave_depth;
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s16 dungeon_ymin;
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s16 dungeon_ymax;
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Noise *noise_height1;
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Noise *noise_height2;
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Noise *noise_height3;
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Noise *noise_height4;
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Noise *noise_hills_terrain;
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Noise *noise_ridge_terrain;
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Noise *noise_step_terrain;
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Noise *noise_hills;
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Noise *noise_ridge_mnt;
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Noise *noise_step_mnt;
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Noise *noise_rivers = nullptr;
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Noise *noise_mnt_var;
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s32 grad_wl;
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float getSteps(float noise);
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inline float getLerp(float noise1, float noise2, float mod);
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int generateTerrain();
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};
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