/**
* Generates a new level if it does not exists
*
* @param string $name
* @param int $seed
* @param string $generator Class name that extends pocketmine\level\generator\Noise
* @param array $options
*
* @return bool
*/
public function generateLevel($name, $seed = null, $generator = null, $options = [])
{
if (trim($name) === "" or $this->isLevelGenerated($name)) {
return false;
}
$seed = $seed === null ? Binary::readInt(@Utils::getRandomBytes(4, false)) : (int) $seed;
if (!isset($options["preset"])) {
$options["preset"] = $this->getConfigString("generator-settings", "");
}
if (!($generator !== null and class_exists($generator, true) and is_subclass_of($generator, Generator::class))) {
$generator = Generator::getGenerator($this->getLevelType());
}
if (($provider = LevelProviderManager::getProviderByName($providerName = $this->getProperty("level-settings.default-format", "mcregion"))) === null) {
$provider = LevelProviderManager::getProviderByName($providerName = "mcregion");
}
try {
$path = $this->getDataPath() . "worlds/" . $name . "/";
/** @var \pocketmine\level\format\LevelProvider $provider */
$provider::generate($path, $name, $seed, $generator, $options);
$level = new Level($this, $name, $path, $provider);
$this->levels[$level->getId()] = $level;
$level->initLevel();
$level->setTickRate($this->baseTickRate);
} catch (\Exception $e) {
$this->logger->error($this->getLanguage()->translateString("pocketmine.level.generateError", [$name, $e->getMessage()]));
if ($this->logger instanceof MainLogger) {
$this->logger->logException($e);
}
return false;
}
$this->getPluginManager()->callEvent(new LevelInitEvent($level));
$this->getPluginManager()->callEvent(new LevelLoadEvent($level));
$this->getLogger()->notice($this->getLanguage()->translateString("pocketmine.level.backgroundGeneration", [$name]));
$centerX = $level->getSpawnLocation()->getX() >> 4;
$centerZ = $level->getSpawnLocation()->getZ() >> 4;
$order = [];
for ($X = -3; $X <= 3; ++$X) {
for ($Z = -3; $Z <= 3; ++$Z) {
$distance = $X ** 2 + $Z ** 2;
$chunkX = $X + $centerX;
$chunkZ = $Z + $centerZ;
$index = Level::chunkHash($chunkX, $chunkZ);
$order[$index] = $distance;
}
}
asort($order);
foreach ($order as $index => $distance) {
Level::getXZ($index, $chunkX, $chunkZ);
$level->populateChunk($chunkX, $chunkZ, true);
}
return true;
}