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/*
Minetest-c55
Copyright (C) 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 LUA_PERLIN_H_
#define LUA_PERLIN_H_
extern "C" {
#include <lua.h>
#include <lauxlib.h>
}
#include "noise.h"
class LuaPerlinNoise
{
private:
int seed;
int octaves;
float persistence;
float scale;
static const char className[];
static const luaL_reg methods[];
// Exported functions
// garbage collector
static int gc_object(lua_State *L);
static int l_get2d(lua_State *L);
static int l_get3d(lua_State *L);
public:
LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
float a_scale);
~LuaPerlinNoise();
// LuaPerlinNoise(seed, octaves, persistence, scale)
// Creates an LuaPerlinNoise and leaves it on top of stack
static int create_object(lua_State *L);
static LuaPerlinNoise* checkobject(lua_State *L, int narg);
static void Register(lua_State *L);
};
/*
PerlinNoiseMap
*/
class LuaPerlinNoiseMap
{
private:
Noise *noise;
static const char className[];
static const luaL_reg methods[];
static int gc_object(lua_State *L);
static int l_get2dMap(lua_State *L);
static int l_get3dMap(lua_State *L);
public:
LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size);
~LuaPerlinNoiseMap();
// LuaPerlinNoiseMap(np, size)
// Creates an LuaPerlinNoiseMap and leaves it on top of stack
static int create_object(lua_State *L);
static LuaPerlinNoiseMap *checkobject(lua_State *L, int narg);
static void Register(lua_State *L);
};
/*
LuaPseudoRandom
*/
class LuaPseudoRandom
{
private:
PseudoRandom m_pseudo;
static const char className[];
static const luaL_reg methods[];
// Exported functions
// garbage collector
static int gc_object(lua_State *L);
// next(self, min=0, max=32767) -> get next value
static int l_next(lua_State *L);
public:
LuaPseudoRandom(int seed);
~LuaPseudoRandom();
const PseudoRandom& getItem() const;
PseudoRandom& getItem();
// LuaPseudoRandom(seed)
// Creates an LuaPseudoRandom and leaves it on top of stack
static int create_object(lua_State *L);
static LuaPseudoRandom* checkobject(lua_State *L, int narg);
static void Register(lua_State *L);
};
NoiseParams *read_noiseparams(lua_State *L, int index);
#endif /* LUA_PERLIN_H_ */
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