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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_ */