C++ (Cpp) MapSettingsManager::getMapSettingNoiseParams Examples

Example #1

File: l_mapgen.cpp Project: Sokomine/minetest

// get_humidity(pos)
// returns the humidity at the position
int ModApiMapgen::l_get_humidity(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	v3s16 pos = read_v3s16(L, 1);

	NoiseParams np_humidity;
	NoiseParams np_humidity_blend;

	MapSettingsManager *settingsmgr =
		getServer(L)->getEmergeManager()->map_settings_mgr;

	if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity",
			&np_humidity) ||
			!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity_blend",
			&np_humidity_blend))
		return 0;

	std::string value;
	if (!settingsmgr->getMapSetting("seed", &value))
		return 0;
	std::istringstream ss(value);
	u64 seed;
	ss >> seed;

	BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
	if (!bmgr)
		return 0;

	float humidity = bmgr->getHumidityAtPosOriginal(pos, np_humidity,
		np_humidity_blend, seed);
	if (!humidity)
		return 0;

	lua_pushnumber(L, humidity);

	return 1;
}

Example #2

File: l_mapgen.cpp Project: DarkDracoon/minetest

// get_mapgen_setting_noiseparams(name)
int ModApiMapgen::l_get_mapgen_setting_noiseparams(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	NoiseParams np;
	MapSettingsManager *settingsmgr =
		getServer(L)->getEmergeManager()->map_settings_mgr;

	const char *name = luaL_checkstring(L, 1);
	if (!settingsmgr->getMapSettingNoiseParams(name, &np))
		return 0;

	push_noiseparams(L, &np);
	return 1;
}

Example #3

File: l_mapgen.cpp Project: Sokomine/minetest

// get_biome_data(pos)
// returns a table containing the biome id, heat and humidity at the position
int ModApiMapgen::l_get_biome_data(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	v3s16 pos = read_v3s16(L, 1);

	NoiseParams np_heat;
	NoiseParams np_heat_blend;
	NoiseParams np_humidity;
	NoiseParams np_humidity_blend;

	MapSettingsManager *settingsmgr =
		getServer(L)->getEmergeManager()->map_settings_mgr;

	if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat",
			&np_heat) ||
			!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat_blend",
			&np_heat_blend) ||
			!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity",
			&np_humidity) ||
			!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity_blend",
			&np_humidity_blend))
		return 0;

	std::string value;
	if (!settingsmgr->getMapSetting("seed", &value))
		return 0;
	std::istringstream ss(value);
	u64 seed;
	ss >> seed;

	BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
	if (!bmgr)
		return 0;

	float heat = bmgr->getHeatAtPosOriginal(pos, np_heat, np_heat_blend, seed);
	if (!heat)
		return 0;

	float humidity = bmgr->getHumidityAtPosOriginal(pos, np_humidity,
		np_humidity_blend, seed);
	if (!humidity)
		return 0;

	Biome *biome = (Biome *)bmgr->getBiomeFromNoiseOriginal(heat, humidity, pos.Y);
	if (!biome || biome->index == OBJDEF_INVALID_INDEX)
		return 0;

	lua_newtable(L);

	lua_pushinteger(L, biome->index);
	lua_setfield(L, -2, "biome");

	lua_pushnumber(L, heat);
	lua_setfield(L, -2, "heat");

	lua_pushnumber(L, humidity);
	lua_setfield(L, -2, "humidity");

	return 1;
}