mirror of https://github.com/minetest/minetest.git
146 lines
3.1 KiB
C++
146 lines
3.1 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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Copyright (C) 2010-2015 paramat, Matt Gregory
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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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#ifndef MAPGEN_FRACTAL_HEADER
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#define MAPGEN_FRACTAL_HEADER
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#include "mapgen.h"
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#define MGFRACTAL_LARGE_CAVE_DEPTH -33
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/////////////////// Mapgen Fractal flags
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#define MGFRACTAL_JULIA 0x01
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class BiomeManager;
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extern FlagDesc flagdesc_mapgen_fractal[];
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struct MapgenFractalParams : public MapgenSpecificParams {
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u32 spflags;
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u16 formula;
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u16 m_iterations;
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v3f m_scale;
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v3f m_offset;
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float m_slice_w;
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u16 j_iterations;
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v3f j_scale;
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v3f j_offset;
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float j_slice_w;
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float julia_x;
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float julia_y;
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float julia_z;
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float julia_w;
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NoiseParams np_seabed;
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NoiseParams np_filler_depth;
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NoiseParams np_cave1;
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NoiseParams np_cave2;
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MapgenFractalParams();
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~MapgenFractalParams() {}
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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 MapgenFractal : public Mapgen {
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public:
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EmergeManager *m_emerge;
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BiomeManager *bmgr;
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int ystride;
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int zstride;
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u32 spflags;
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v3s16 node_min;
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v3s16 node_max;
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v3s16 full_node_min;
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v3s16 full_node_max;
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u16 formula;
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u16 m_iterations;
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v3f m_scale;
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v3f m_offset;
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float m_slice_w;
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u16 j_iterations;
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v3f j_scale;
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v3f j_offset;
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float j_slice_w;
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float julia_x;
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float julia_y;
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float julia_z;
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float julia_w;
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Noise *noise_seabed;
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Noise *noise_filler_depth;
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Noise *noise_cave1;
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Noise *noise_cave2;
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Noise *noise_heat;
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Noise *noise_humidity;
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Noise *noise_heat_blend;
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Noise *noise_humidity_blend;
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content_t c_stone;
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content_t c_water_source;
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content_t c_lava_source;
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content_t c_desert_stone;
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content_t c_ice;
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content_t c_sandstone;
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content_t c_cobble;
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content_t c_stair_cobble;
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content_t c_mossycobble;
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content_t c_sandstonebrick;
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content_t c_stair_sandstonebrick;
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MapgenFractal(int mapgenid, MapgenParams *params, EmergeManager *emerge);
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~MapgenFractal();
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virtual void makeChunk(BlockMakeData *data);
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int getGroundLevelAtPoint(v2s16 p);
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void calculateNoise();
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bool getFractalAtPoint(s16 x, s16 y, s16 z);
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s16 generateTerrain();
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MgStoneType generateBiomes(float *heat_map, float *humidity_map);
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void dustTopNodes();
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void generateCaves(s16 max_stone_y);
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};
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struct MapgenFactoryFractal : public MapgenFactory {
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Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
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{
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return new MapgenFractal(mgid, params, emerge);
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};
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MapgenSpecificParams *createMapgenParams()
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{
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return new MapgenFractalParams();
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};
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};
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#endif
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