int LuaPerlinNoise::l_get2d(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaPerlinNoise *o = checkobject(L, 1);
v2f p = check_v2f(L, 2);
lua_Number val = NoisePerlin2D(&o->np, p.X, p.Y, 0);
lua_pushnumber(L, val);
return 1;
}
int LuaPerlinNoiseMap::l_calc2dMap(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaPerlinNoiseMap *o = checkobject(L, 1);
v2f p = check_v2f(L, 2);
Noise *n = o->noise;
n->perlinMap2D(p.X, p.Y);
return 0;
}
int LuaPerlinNoiseMap::l_get2dMap_flat(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaPerlinNoiseMap *o = checkobject(L, 1);
v2f p = check_v2f(L, 2);
Noise *n = o->noise;
n->perlinMap2D(p.X, p.Y);
size_t maplen = n->sx * n->sy;
lua_newtable(L);
for (size_t i = 0; i != maplen; i++) {
lua_pushnumber(L, n->result[i]);
lua_rawseti(L, -2, i + 1);
}
return 1;
}
int LuaPerlinNoiseMap::l_get2dMap(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
size_t i = 0;
LuaPerlinNoiseMap *o = checkobject(L, 1);
v2f p = check_v2f(L, 2);
Noise *n = o->noise;
n->perlinMap2D(p.X, p.Y);
lua_newtable(L);
for (u32 y = 0; y != n->sy; y++) {
lua_newtable(L);
for (u32 x = 0; x != n->sx; x++) {
lua_pushnumber(L, n->result[i++]);
lua_rawseti(L, -2, x + 1);
}
lua_rawseti(L, -2, y + 1);
}
return 1;
}