Optimize headers (part 2) (#6272)

[minetest.git] / src / mapgen_fractal.h

diff --git a/src/mapgen_fractal.h b/src/mapgen_fractal.h
index 7d31a43b8241926bf7642746928c9013ecf735c6..be49415816d32531810d79bf58f73b87dcee4856 100644 (file)
--- a/src/mapgen_fractal.h
+++ b/src/mapgen_fractal.h
@@ -1,7 +1,10 @@
 /*
 Minetest
-Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
-Copyright (C) 2010-2015 paramat, Matt Gregory
+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
@@ -18,115 +21,67 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef MAPGEN_FRACTAL_HEADER
-#define MAPGEN_FRACTAL_HEADER
+#pragma once
 
 #include "mapgen.h"
 
-#define MGFRACTAL_LARGE_CAVE_DEPTH -33
-
 class BiomeManager;
 
 extern FlagDesc flagdesc_mapgen_fractal[];
 
-
-struct MapgenFractalParams : public MapgenSpecificParams {
-       u32 spflags;
-
-       u16 formula;
-       u16 iterations;
-       v3f scale;
-       v3f offset;
-       float slice_w;
-
-       float julia_x;
-       float julia_y;
-       float julia_z;
-       float julia_w;
-
+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() {}
+       ~MapgenFractalParams() = default;
 
        void readParams(const Settings *settings);
        void writeParams(Settings *settings) const;
 };
 
-class MapgenFractal : public Mapgen {
+class MapgenFractal : public MapgenBasic
+{
 public:
-       EmergeManager *m_emerge;
-       BiomeManager *bmgr;
+       MapgenFractal(int mapgenid, MapgenFractalParams *params, EmergeManager *emerge);
+       ~MapgenFractal();
 
-       int ystride;
-       int zstride;
-       u32 spflags;
+       virtual MapgenType getType() const { return MAPGEN_FRACTAL; }
 
-       v3s16 node_min;
-       v3s16 node_max;
-       v3s16 full_node_min;
-       v3s16 full_node_max;
+       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;
-       Noise *noise_filler_depth;
-       Noise *noise_cave1;
-       Noise *noise_cave2;
-
-       Noise *noise_heat;
-       Noise *noise_humidity;
-       Noise *noise_heat_blend;
-       Noise *noise_humidity_blend;
-
-       content_t c_stone;
-       content_t c_water_source;
-       content_t c_lava_source;
-       content_t c_desert_stone;
-       content_t c_ice;
-       content_t c_sandstone;
-
-       content_t c_cobble;
-       content_t c_stair_cobble;
-       content_t c_mossycobble;
-       content_t c_sandstonebrick;
-       content_t c_stair_sandstonebrick;
-
-       MapgenFractal(int mapgenid, MapgenParams *params, EmergeManager *emerge);
-       ~MapgenFractal();
-
-       virtual void makeChunk(BlockMakeData *data);
-       int getGroundLevelAtPoint(v2s16 p);
-       void calculateNoise();
-       bool getFractalAtPoint(s16 x, s16 y, s16 z);
-       s16 generateTerrain();
-       MgStoneType generateBiomes(float *heat_map, float *humidity_map);
-       void dustTopNodes();
-       void generateCaves(s16 max_stone_y);
 };
-
-struct MapgenFactoryFractal : public MapgenFactory {
-       Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
-       {
-               return new MapgenFractal(mgid, params, emerge);
-       };
-
-       MapgenSpecificParams *createMapgenParams()
-       {
-               return new MapgenFractalParams();
-       };
-};
-
-#endif