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authorVitaliy <silverunicorn2011@yandex.ru>2017-11-09 01:56:20 +0300
committerLoïc Blot <nerzhul@users.noreply.github.com>2017-11-08 23:56:20 +0100
commit20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f (patch)
tree67378802190117d8271b3b6d489a92bcb16203b7 /src/mapgen_fractal.h
parentfc9747eb4b7f75e59a28957bc50f7a78256b3d66 (diff)
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-/*
-Minetest
-Copyright (C) 2015-2017 paramat
-Copyright (C) 2015-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
-
-Fractal formulas from http://www.bugman123.com/Hypercomplex/index.html
-by Paul Nylander, and from http://www.fractalforums.com, thank you.
-
-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"
-
-class BiomeManager;
-
-extern FlagDesc flagdesc_mapgen_fractal[];
-
-struct MapgenFractalParams : public MapgenParams
-{
- u32 spflags = 0;
- float cave_width = 0.09f;
- s16 large_cave_depth = -33;
- s16 lava_depth = -256;
- u16 fractal = 1;
- u16 iterations = 11;
- v3f scale = v3f(4096.0, 1024.0, 4096.0);
- v3f offset = v3f(1.52, 0.0, 0.0);
- float slice_w = 0.0f;
- float julia_x = 0.267f;
- float julia_y = 0.2f;
- float julia_z = 0.133f;
- float julia_w = 0.067f;
- NoiseParams np_seabed;
- NoiseParams np_filler_depth;
- NoiseParams np_cave1;
- NoiseParams np_cave2;
-
- MapgenFractalParams();
- ~MapgenFractalParams() = default;
-
- void readParams(const Settings *settings);
- void writeParams(Settings *settings) const;
-};
-
-class MapgenFractal : public MapgenBasic
-{
-public:
- MapgenFractal(int mapgenid, MapgenFractalParams *params, EmergeManager *emerge);
- ~MapgenFractal();
-
- virtual MapgenType getType() const { return MAPGEN_FRACTAL; }
-
- virtual void makeChunk(BlockMakeData *data);
- int getSpawnLevelAtPoint(v2s16 p);
- bool getFractalAtPoint(s16 x, s16 y, s16 z);
- s16 generateTerrain();
-
-private:
- u16 formula;
- bool julia;
-
- s16 large_cave_depth;
- u16 fractal;
- u16 iterations;
- v3f scale;
- v3f offset;
- float slice_w;
- float julia_x;
- float julia_y;
- float julia_z;
- float julia_w;
- Noise *noise_seabed;
-};