forked from Mirrorlandia_minetest/minetest
2fd3d52020
Add 'absolute value' option to noise map functions Extend persistence modulation to 3D noise Extend 'eased' option to noise2d_perlin* functions Some noise.cpp formatting fixups
128 lines
3.0 KiB
C++
128 lines
3.0 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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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 L_NOISE_H_
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#define L_NOISE_H_
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#include "lua_api/l_base.h"
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#include "irr_v3d.h"
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#include "noise.h"
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/*
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LuaPerlinNoise
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*/
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class LuaPerlinNoise : public ModApiBase {
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private:
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int seed;
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int octaves;
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float persistence;
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float scale;
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static const char className[];
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static const luaL_reg methods[];
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// Exported functions
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// garbage collector
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static int gc_object(lua_State *L);
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static int l_get2d(lua_State *L);
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static int l_get3d(lua_State *L);
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public:
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LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
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float a_scale);
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~LuaPerlinNoise();
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// LuaPerlinNoise(seed, octaves, persistence, scale)
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// Creates an LuaPerlinNoise and leaves it on top of stack
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static int create_object(lua_State *L);
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static LuaPerlinNoise *checkobject(lua_State *L, int narg);
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static void Register(lua_State *L);
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};
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/*
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LuaPerlinNoiseMap
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*/
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class LuaPerlinNoiseMap : public ModApiBase {
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NoiseParams m_noise_params;
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Noise *noise;
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static const char className[];
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static const luaL_reg methods[];
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static int gc_object(lua_State *L);
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static int l_get2dMap(lua_State *L);
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static int l_get2dMap_flat(lua_State *L);
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static int l_get3dMap(lua_State *L);
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static int l_get3dMap_flat(lua_State *L);
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public:
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LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size);
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~LuaPerlinNoiseMap();
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// LuaPerlinNoiseMap(np, size)
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// Creates an LuaPerlinNoiseMap and leaves it on top of stack
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static int create_object(lua_State *L);
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static LuaPerlinNoiseMap *checkobject(lua_State *L, int narg);
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static void Register(lua_State *L);
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};
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/*
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LuaPseudoRandom
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*/
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class LuaPseudoRandom : public ModApiBase {
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private:
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PseudoRandom m_pseudo;
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static const char className[];
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static const luaL_reg methods[];
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// Exported functions
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// garbage collector
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static int gc_object(lua_State *L);
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// next(self, min=0, max=32767) -> get next value
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static int l_next(lua_State *L);
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public:
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LuaPseudoRandom(int seed);
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~LuaPseudoRandom();
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const PseudoRandom& getItem() const;
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PseudoRandom& getItem();
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// LuaPseudoRandom(seed)
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// Creates an LuaPseudoRandom and leaves it on top of stack
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static int create_object(lua_State *L);
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static LuaPseudoRandom* checkobject(lua_State *L, int narg);
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static void Register(lua_State *L);
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};
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#endif /* L_NOISE_H_ */
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