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https://github.com/luanti-org/luanti.git
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split scriptapi.cpp
Remerge some files in order to reduce number of additional files Make necessary changes for split, rename files, reorganize some bits
This commit is contained in:
sapier
kwolekr
parent
038529c763
commit
bdbdeab005
29 changed files with 8454 additions and 6899 deletions
389
src/scriptapi_noise.cpp
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389
src/scriptapi_noise.cpp
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/*
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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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#include "scriptapi.h"
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#include "scriptapi_noise.h"
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#include "scriptapi_types.h"
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#include "script.h"
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#include <irr_v2d.h>
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// garbage collector
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int LuaPerlinNoise::gc_object(lua_State *L)
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{
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LuaPerlinNoise *o = *(LuaPerlinNoise **)(lua_touserdata(L, 1));
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delete o;
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return 0;
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}
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int LuaPerlinNoise::l_get2d(lua_State *L)
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{
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LuaPerlinNoise *o = checkobject(L, 1);
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v2f pos2d = read_v2f(L,2);
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lua_Number val = noise2d_perlin(pos2d.X/o->scale, pos2d.Y/o->scale, o->seed, o->octaves, o->persistence);
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lua_pushnumber(L, val);
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return 1;
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}
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int LuaPerlinNoise::l_get3d(lua_State *L)
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{
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LuaPerlinNoise *o = checkobject(L, 1);
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v3f pos3d = read_v3f(L,2);
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lua_Number val = noise3d_perlin(pos3d.X/o->scale, pos3d.Y/o->scale, pos3d.Z/o->scale, o->seed, o->octaves, o->persistence);
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lua_pushnumber(L, val);
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return 1;
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}
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LuaPerlinNoise::LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
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float a_scale):
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seed(a_seed),
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octaves(a_octaves),
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persistence(a_persistence),
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scale(a_scale)
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{
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}
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LuaPerlinNoise::~LuaPerlinNoise()
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{
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}
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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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int LuaPerlinNoise::create_object(lua_State *L)
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{
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int seed = luaL_checkint(L, 1);
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int octaves = luaL_checkint(L, 2);
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float persistence = luaL_checknumber(L, 3);
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float scale = luaL_checknumber(L, 4);
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LuaPerlinNoise *o = new LuaPerlinNoise(seed, octaves, persistence, scale);
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*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
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luaL_getmetatable(L, className);
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lua_setmetatable(L, -2);
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return 1;
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}
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LuaPerlinNoise* LuaPerlinNoise::checkobject(lua_State *L, int narg)
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{
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luaL_checktype(L, narg, LUA_TUSERDATA);
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void *ud = luaL_checkudata(L, narg, className);
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if(!ud) luaL_typerror(L, narg, className);
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return *(LuaPerlinNoise**)ud; // unbox pointer
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}
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void LuaPerlinNoise::Register(lua_State *L)
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{
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lua_newtable(L);
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int methodtable = lua_gettop(L);
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luaL_newmetatable(L, className);
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int metatable = lua_gettop(L);
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lua_pushliteral(L, "__metatable");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable); // hide metatable from Lua getmetatable()
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lua_pushliteral(L, "__index");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable);
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lua_pushliteral(L, "__gc");
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lua_pushcfunction(L, gc_object);
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lua_settable(L, metatable);
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lua_pop(L, 1); // drop metatable
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luaL_openlib(L, 0, methods, 0); // fill methodtable
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lua_pop(L, 1); // drop methodtable
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// Can be created from Lua (PerlinNoise(seed, octaves, persistence)
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lua_register(L, className, create_object);
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}
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const char LuaPerlinNoise::className[] = "PerlinNoise";
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const luaL_reg LuaPerlinNoise::methods[] = {
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luamethod(LuaPerlinNoise, get2d),
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luamethod(LuaPerlinNoise, get3d),
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{0,0}
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};
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/*
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PerlinNoiseMap
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*/
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int LuaPerlinNoiseMap::gc_object(lua_State *L)
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{
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LuaPerlinNoiseMap *o = *(LuaPerlinNoiseMap **)(lua_touserdata(L, 1));
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delete o;
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return 0;
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}
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int LuaPerlinNoiseMap::l_get2dMap(lua_State *L)
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{
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int i = 0;
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LuaPerlinNoiseMap *o = checkobject(L, 1);
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v2f p = read_v2f(L, 2);
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Noise *n = o->noise;
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n->perlinMap2D(p.X, p.Y);
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lua_newtable(L);
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for (int y = 0; y != n->sy; y++) {
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lua_newtable(L);
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for (int x = 0; x != n->sx; x++) {
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float noiseval = n->np->offset + n->np->scale * n->result[i++];
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lua_pushnumber(L, noiseval);
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lua_rawseti(L, -2, x + 1);
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}
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lua_rawseti(L, -2, y + 1);
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}
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return 1;
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}
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int LuaPerlinNoiseMap::l_get3dMap(lua_State *L)
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{
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int i = 0;
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LuaPerlinNoiseMap *o = checkobject(L, 1);
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v3f p = read_v3f(L, 2);
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Noise *n = o->noise;
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n->perlinMap3D(p.X, p.Y, p.Z);
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lua_newtable(L);
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for (int z = 0; z != n->sz; z++) {
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lua_newtable(L);
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for (int y = 0; y != n->sy; y++) {
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lua_newtable(L);
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for (int x = 0; x != n->sx; x++) {
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lua_pushnumber(L, n->np->offset + n->np->scale * n->result[i++]);
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lua_rawseti(L, -2, x + 1);
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}
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lua_rawseti(L, -2, y + 1);
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}
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lua_rawseti(L, -2, z + 1);
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}
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return 1;
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}
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LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size) {
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noise = new Noise(np, seed, size.X, size.Y, size.Z);
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}
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LuaPerlinNoiseMap::~LuaPerlinNoiseMap()
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{
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delete noise->np;
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delete noise;
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}
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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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int LuaPerlinNoiseMap::create_object(lua_State *L)
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{
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NoiseParams *np = read_noiseparams(L, 1);
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if (!np)
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return 0;
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v3s16 size = read_v3s16(L, 2);
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LuaPerlinNoiseMap *o = new LuaPerlinNoiseMap(np, 0, size);
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*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
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luaL_getmetatable(L, className);
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lua_setmetatable(L, -2);
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return 1;
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}
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LuaPerlinNoiseMap* LuaPerlinNoiseMap::checkobject(lua_State *L, int narg)
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{
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luaL_checktype(L, narg, LUA_TUSERDATA);
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void *ud = luaL_checkudata(L, narg, className);
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if (!ud)
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luaL_typerror(L, narg, className);
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return *(LuaPerlinNoiseMap **)ud; // unbox pointer
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}
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void LuaPerlinNoiseMap::Register(lua_State *L)
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{
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lua_newtable(L);
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int methodtable = lua_gettop(L);
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luaL_newmetatable(L, className);
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int metatable = lua_gettop(L);
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lua_pushliteral(L, "__metatable");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable); // hide metatable from Lua getmetatable()
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lua_pushliteral(L, "__index");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable);
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lua_pushliteral(L, "__gc");
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lua_pushcfunction(L, gc_object);
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lua_settable(L, metatable);
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lua_pop(L, 1); // drop metatable
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luaL_openlib(L, 0, methods, 0); // fill methodtable
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lua_pop(L, 1); // drop methodtable
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// Can be created from Lua (PerlinNoiseMap(np, size)
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lua_register(L, className, create_object);
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}
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const char LuaPerlinNoiseMap::className[] = "PerlinNoiseMap";
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const luaL_reg LuaPerlinNoiseMap::methods[] = {
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luamethod(LuaPerlinNoiseMap, get2dMap),
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luamethod(LuaPerlinNoiseMap, get3dMap),
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{0,0}
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};
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/*
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NoiseParams
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*/
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NoiseParams *read_noiseparams(lua_State *L, int index)
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{
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if (index < 0)
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index = lua_gettop(L) + 1 + index;
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if (!lua_istable(L, index))
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return NULL;
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NoiseParams *np = new NoiseParams;
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np->offset = getfloatfield_default(L, index, "offset", 0.0);
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np->scale = getfloatfield_default(L, index, "scale", 0.0);
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lua_getfield(L, index, "spread");
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np->spread = read_v3f(L, -1);
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np->seed = getintfield_default(L, index, "seed", 0);
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np->octaves = getintfield_default(L, index, "octaves", 0);
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np->persist = getfloatfield_default(L, index, "persist", 0.0);
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return np;
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}
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/*
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LuaPseudoRandom
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*/
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// garbage collector
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int LuaPseudoRandom::gc_object(lua_State *L)
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{
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LuaPseudoRandom *o = *(LuaPseudoRandom **)(lua_touserdata(L, 1));
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delete o;
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return 0;
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}
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// next(self, min=0, max=32767) -> get next value
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int LuaPseudoRandom::l_next(lua_State *L)
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{
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LuaPseudoRandom *o = checkobject(L, 1);
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int min = 0;
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int max = 32767;
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lua_settop(L, 3); // Fill 2 and 3 with nil if they don't exist
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if(!lua_isnil(L, 2))
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min = luaL_checkinteger(L, 2);
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if(!lua_isnil(L, 3))
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max = luaL_checkinteger(L, 3);
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if(max < min){
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errorstream<<"PseudoRandom.next(): max="<<max<<" min="<<min<<std::endl;
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throw LuaError(L, "PseudoRandom.next(): max < min");
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}
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if(max - min != 32767 && max - min > 32767/5)
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throw LuaError(L, "PseudoRandom.next() max-min is not 32767 and is > 32768/5. This is disallowed due to the bad random distribution the implementation would otherwise make.");
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PseudoRandom &pseudo = o->m_pseudo;
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int val = pseudo.next();
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val = (val % (max-min+1)) + min;
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lua_pushinteger(L, val);
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return 1;
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}
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LuaPseudoRandom::LuaPseudoRandom(int seed):
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m_pseudo(seed)
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{
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}
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LuaPseudoRandom::~LuaPseudoRandom()
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{
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}
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const PseudoRandom& LuaPseudoRandom::getItem() const
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{
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return m_pseudo;
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}
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PseudoRandom& LuaPseudoRandom::getItem()
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{
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return m_pseudo;
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}
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// LuaPseudoRandom(seed)
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// Creates an LuaPseudoRandom and leaves it on top of stack
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int LuaPseudoRandom::create_object(lua_State *L)
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{
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int seed = luaL_checknumber(L, 1);
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LuaPseudoRandom *o = new LuaPseudoRandom(seed);
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*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
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luaL_getmetatable(L, className);
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lua_setmetatable(L, -2);
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return 1;
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}
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LuaPseudoRandom* LuaPseudoRandom::checkobject(lua_State *L, int narg)
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{
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luaL_checktype(L, narg, LUA_TUSERDATA);
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void *ud = luaL_checkudata(L, narg, className);
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if(!ud) luaL_typerror(L, narg, className);
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return *(LuaPseudoRandom**)ud; // unbox pointer
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}
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void LuaPseudoRandom::Register(lua_State *L)
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{
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lua_newtable(L);
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int methodtable = lua_gettop(L);
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luaL_newmetatable(L, className);
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int metatable = lua_gettop(L);
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lua_pushliteral(L, "__metatable");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable); // hide metatable from Lua getmetatable()
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lua_pushliteral(L, "__index");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable);
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lua_pushliteral(L, "__gc");
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lua_pushcfunction(L, gc_object);
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lua_settable(L, metatable);
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lua_pop(L, 1); // drop metatable
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luaL_openlib(L, 0, methods, 0); // fill methodtable
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lua_pop(L, 1); // drop methodtable
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// Can be created from Lua (LuaPseudoRandom(seed))
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lua_register(L, className, create_object);
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}
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const char LuaPseudoRandom::className[] = "PseudoRandom";
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const luaL_reg LuaPseudoRandom::methods[] = {
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luamethod(LuaPseudoRandom, next),
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{0,0}
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};
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