minetest/src/mapgen_math.h

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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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.
*/
#ifndef MAPGEN_MATH_HEADER
#define MAPGEN_MATH_HEADER
#include "mapgen.h"
#include "mapgen_v7.h"
#include "json/json.h"
struct MapgenMathParams : public MapgenV7Params {
MapgenMathParams() {}
~MapgenMathParams() {}
Json::Value params;
void readParams(Settings *settings);
void writeParams(Settings *settings);
};
class MapgenMath : public MapgenV7 {
public:
MapgenMathParams * mg_params;
MapgenMath(int mapgenid, MapgenParams *mg_params, EmergeManager *emerge);
~MapgenMath();
int generateTerrain();
int getGroundLevelAtPoint(v2s16 p);
bool invert;
double size;
double scale;
v3f center;
int iterations;
double distance;
double (*func)(double, double, double, double, int);
};
struct MapgenFactoryMath : public MapgenFactory {
Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
return new MapgenMath(mgid, params, emerge);
};
MapgenSpecificParams *createMapgenParams() {
return new MapgenMathParams();
};
};
#endif