/**
* @param LevelProvider $provider
* @param int $x
* @param int $z
* @param string $blocks
* @param string $data
* @param string $skyLight
* @param string $blockLight
* @param string $biomeIds
* @param int[] $biomeColors
* @param int[] $heightMap
* @param Compound[] $entities
* @param Compound[] $tiles
*/
protected function __construct($provider, $x, $z, $blocks, $data, $skyLight, $blockLight, $biomeIds = null, array $biomeColors = [], array $heightMap = [], array $entities = [], array $tiles = [])
{
$this->provider = $provider;
$this->x = (int) $x;
$this->z = (int) $z;
$this->blocks = $blocks;
$this->data = $data;
$this->skyLight = $skyLight;
$this->blockLight = $blockLight;
if (strlen($biomeIds) === 256) {
$this->biomeIds = $biomeIds;
} else {
$this->biomeIds = str_repeat("", 256);
}
if (count($biomeColors) === 256) {
$this->biomeColors = $biomeColors;
} else {
$this->biomeColors = array_fill(0, 256, Binary::readInt("…²J"));
}
if (count($heightMap) === 256) {
$this->heightMap = $heightMap;
} else {
$this->heightMap = array_fill(0, 256, 127);
}
$this->NBTtiles = $tiles;
$this->NBTentities = $entities;
}
public function generateChunk($x, $z)
{
$nbt = new Compound("Level", []);
$nbt->xPos = new Int("xPos", $this->getX() * 32 + $x);
$nbt->zPos = new Int("zPos", $this->getZ() * 32 + $z);
$nbt->LastUpdate = new Long("LastUpdate", 0);
$nbt->LightPopulated = new Byte("LightPopulated", 0);
$nbt->TerrainPopulated = new Byte("TerrainPopulated", 0);
$nbt->V = new Byte("V", self::VERSION);
$nbt->InhabitedTime = new Long("InhabitedTime", 0);
$biomes = str_repeat(Binary::writeByte(-1), 256);
$nbt->Biomes = new ByteArray("Biomes", $biomes);
$nbt->BiomeColors = new IntArray("BiomeColors", array_fill(0, 156, Binary::readInt("…²J")));
$nbt->HeightMap = new IntArray("HeightMap", array_fill(0, 256, 127));
$nbt->Sections = new Enum("Sections", []);
$nbt->Sections->setTagType(NBT::TAG_Compound);
$nbt->Entities = new Enum("Entities", []);
$nbt->Entities->setTagType(NBT::TAG_Compound);
$nbt->TileEntities = new Enum("TileEntities", []);
$nbt->TileEntities->setTagType(NBT::TAG_Compound);
$nbt->TileTicks = new Enum("TileTicks", []);
$nbt->TileTicks->setTagType(NBT::TAG_Compound);
$writer = new NBT(NBT::BIG_ENDIAN);
$nbt->setName("Level");
$writer->setData(new Compound("", ["Level" => $nbt]));
$chunkData = $writer->writeCompressed(ZLIB_ENCODING_DEFLATE, RegionLoader::$COMPRESSION_LEVEL);
$this->saveChunk($x, $z, $chunkData);
}
/**
* @param LevelProvider $provider
* @param int $x
* @param int $z
* @param ChunkSection[] $sections
* @param string $biomeIds
* @param int[] $biomeColors
* @param int[] $heightMap
* @param Compound[] $entities
* @param Compound[] $tiles
*
* @throws ChunkException
*/
protected function __construct($provider, $x, $z, array $sections, $biomeIds = null, array $biomeColors = [], array $heightMap = [], array $entities = [], array $tiles = [])
{
$this->provider = $provider;
$this->x = (int) $x;
$this->z = (int) $z;
foreach ($sections as $Y => $section) {
if ($section instanceof ChunkSection) {
$this->sections[$Y] = $section;
} else {
throw new ChunkException("Received invalid ChunkSection instance");
}
if ($Y >= self::SECTION_COUNT) {
throw new ChunkException("Invalid amount of chunks");
}
}
if (strlen($biomeIds) === 256) {
$this->biomeIds = $biomeIds;
} else {
$this->biomeIds = str_repeat("", 256);
}
if (count($biomeColors) === 256) {
$this->biomeColors = $biomeColors;
} else {
$this->biomeColors = array_fill(0, 256, Binary::readInt("…²J"));
}
if (count($heightMap) === 256) {
$this->heightMap = $heightMap;
} else {
$this->heightMap = array_fill(0, 256, 127);
}
$this->NBTtiles = $tiles;
$this->NBTentities = $entities;
}
public function handle($address, $port, $packet)
{
$offset = 2;
$packetType = ord($packet[$offset++]);
$sessionID = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$payload = substr($packet, $offset);
switch ($packetType) {
case self::HANDSHAKE:
//Handshake
$reply = chr(self::HANDSHAKE);
$reply .= Binary::writeInt($sessionID);
$reply .= self::getTokenString($this->token, $address) . "";
$this->server->getNetwork()->sendPacket($address, $port, $reply);
break;
case self::STATISTICS:
//Stat
$token = Binary::readInt(substr($payload, 0, 4));
if ($token !== self::getTokenString($this->token, $address) and $token !== self::getTokenString($this->lastToken, $address)) {
break;
}
$reply = chr(self::STATISTICS);
$reply .= Binary::writeInt($sessionID);
if ($this->timeout < microtime(true)) {
$this->regenerateInfo();
}
if (strlen($payload) === 8) {
$reply .= $this->longData;
} else {
$reply .= $this->shortData;
}
$this->server->getNetwork()->sendPacket($address, $port, $reply);
break;
}
}
public function __construct($level, Compound $nbt)
{
$this->nbt = $nbt;
if (!isset($this->nbt->Entities) or !$this->nbt->Entities instanceof Enum) {
$this->nbt->Entities = new Enum("Entities", []);
$this->nbt->Entities->setTagType(NBT::TAG_Compound);
}
if (!isset($this->nbt->TileEntities) or !$this->nbt->TileEntities instanceof Enum) {
$this->nbt->TileEntities = new Enum("TileEntities", []);
$this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
}
if (!isset($this->nbt->TileTicks) or !$this->nbt->TileTicks instanceof Enum) {
$this->nbt->TileTicks = new Enum("TileTicks", []);
$this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
}
if (!isset($this->nbt->Sections) or !$this->nbt->Sections instanceof Enum) {
$this->nbt->Sections = new Enum("Sections", []);
$this->nbt->Sections->setTagType(NBT::TAG_Compound);
}
if (!isset($this->nbt->Biomes) or !$this->nbt->Biomes instanceof ByteArray) {
$this->nbt->Biomes = new ByteArray("Biomes", \str_repeat("", 256));
}
if (!isset($this->nbt->BiomeColors) or !$this->nbt->BiomeColors instanceof IntArray) {
$this->nbt->BiomeColors = new IntArray("BiomeColors", array_fill(0, 256, Binary::readInt("…²J")));
}
if (!isset($this->nbt->HeightMap) or !$this->nbt->HeightMap instanceof IntArray) {
$this->nbt->HeightMap = new IntArray("HeightMap", \array_fill(0, 256, 127));
}
$sections = [];
foreach ($this->nbt->Sections as $section) {
if ($section instanceof Compound) {
$y = (int) $section["Y"];
if ($y < 8) {
$sections[$y] = new ChunkSection($section);
}
}
}
for ($y = 0; $y < 8; ++$y) {
if (!isset($sections[$y])) {
$sections[$y] = new EmptyChunkSection($y);
}
}
parent::__construct($level, (int) $this->nbt["xPos"], (int) $this->nbt["zPos"], $sections, $this->nbt->Biomes->getValue(), $this->nbt->BiomeColors->getValue(), $this->nbt->HeightMap->getValue(), $this->nbt->Entities->getValue(), $this->nbt->TileEntities->getValue());
unset($this->nbt->Sections);
}
public function __construct($level, Compound $nbt)
{
$this->nbt = $nbt;
if (isset($this->nbt->Entities) and $this->nbt->Entities instanceof Enum) {
$this->nbt->Entities->setTagType(NBT::TAG_Compound);
} else {
$this->nbt->Entities = new Enum("Entities", []);
$this->nbt->Entities->setTagType(NBT::TAG_Compound);
}
if (isset($this->nbt->TileEntities) and $this->nbt->TileEntities instanceof Enum) {
$this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
} else {
$this->nbt->TileEntities = new Enum("TileEntities", []);
$this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
}
if (isset($this->nbt->TileTicks) and $this->nbt->TileTicks instanceof Enum) {
$this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
} else {
$this->nbt->TileTicks = new Enum("TileTicks", []);
$this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
}
if (!isset($this->nbt->Biomes) or !$this->nbt->Biomes instanceof ByteArray) {
$this->nbt->Biomes = new ByteArray("Biomes", str_repeat("", 256));
}
if (!isset($this->nbt->BiomeColors) or !$this->nbt->BiomeColors instanceof IntArray) {
$this->nbt->BiomeColors = new IntArray("BiomeColors", array_fill(0, 256, Binary::readInt("…²J")));
}
if (!isset($this->nbt->HeightMap) or !$this->nbt->HeightMap instanceof IntArray) {
$this->nbt->HeightMap = new IntArray("HeightMap", array_fill(0, 256, 127));
}
if (!isset($this->nbt->Blocks)) {
$this->nbt->Blocks = new ByteArray("Blocks", str_repeat("", 32768));
}
if (!isset($this->nbt->Data)) {
$this->nbt->Data = new ByteArray("Data", $half = str_repeat("", 16384));
$this->nbt->SkyLight = new ByteArray("SkyLight", $half);
$this->nbt->BlockLight = new ByteArray("BlockLight", $half);
}
parent::__construct($level, $this->nbt["xPos"], $this->nbt["zPos"], $this->nbt->Blocks->getValue(), $this->nbt->Data->getValue(), $this->nbt->SkyLight->getValue(), $this->nbt->BlockLight->getValue(), $this->nbt->Biomes->getValue(), $this->nbt->BiomeColors->getValue(), $this->nbt->HeightMap->getValue(), $this->nbt->Entities->getValue(), $this->nbt->TileEntities->getValue());
unset($this->nbt->Blocks);
unset($this->nbt->Data);
unset($this->nbt->SkyLight);
unset($this->nbt->BlockLight);
}
/**
* 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\Generator
* @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) $seed;
if ($generator !== null and class_exists($generator) and is_subclass_of($generator, Generator::class)) {
$generator = new $generator($options);
} else {
$options["preset"] = $this->getConfigString("generator-settings", "");
$generator = Generator::getGenerator($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();
} catch (\Exception $e) {
$this->logger->error("Could not generate level \"" . $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));
$this->getLogger()->notice("Spawn terrain for level \"{$name}\" is being generated in the background");
$radiusSquared = ($this->getViewDistance() + 1) / M_PI;
$radius = ceil(sqrt($radiusSquared));
$centerX = $level->getSpawnLocation()->getX() >> 4;
$centerZ = $level->getSpawnLocation()->getZ() >> 4;
$order = [];
for ($X = -$radius; $X <= $radius; ++$X) {
for ($Z = -$radius; $Z <= $radius; ++$Z) {
$distance = $X ** 2 + $Z ** 2;
if ($distance > $radiusSquared) {
continue;
}
$chunkX = $X + $centerX;
$chunkZ = $Z + $centerZ;
$index = Level::chunkHash($chunkX, $chunkZ);
$order[$index] = $distance;
}
}
asort($order);
$chunkX = $chunkZ = null;
foreach ($order as $index => $distance) {
Level::getXZ($index, $chunkX, $chunkZ);
$level->generateChunk($chunkX, $chunkZ);
}
return true;
}
public function readInt($signed = true)
{
$int = Binary::readInt($this->read(4));
if (!$signed and $int < 0) {
$int += 0x100000000;
}
return $int;
}
public function getInt()
{
return $this->endianness === self::BIG_ENDIAN ? Binary::readInt($this->get(4)) : Binary::readLInt($this->get(4));
}
public function loadChunk($X, $Z)
{
if ($this->isChunkLoaded($X, $Z)) {
return true;
}
$index = self::getIndex($X, $Z);
$path = $this->getChunkPath($X, $Z);
if (!file_exists($path)) {
if ($this->generateChunk($X, $Z) === false) {
return false;
}
if ($this->isGenerating === 0) {
$this->populateChunk($X, $Z);
}
return true;
}
$chunk = file_get_contents($path);
if ($chunk === false) {
return false;
}
$chunk = zlib_decode($chunk);
$offset = 0;
$this->chunkInfo[$index] = [0 => ord($chunk[0]), 1 => Binary::readInt(substr($chunk, 1, 4))];
$offset += 5;
$len = Binary::readInt(substr($chunk, $offset, 4));
$offset += 4;
$nbt = new NBT(NBT::BIG_ENDIAN);
$nbt->read(substr($chunk, $offset, $len));
$this->chunkInfo[$index][2] = $nbt->getData();
$offset += $len;
$this->chunks[$index] = [];
$this->chunkChange[$index] = [-1 => false];
$this->chunkInfo[$index][3] = substr($chunk, $offset, 256);
//Biome data
$offset += 256;
for ($Y = 0; $Y < 8; ++$Y) {
if (($this->chunkInfo[$index][0] & 1 << $Y) !== 0) {
// 4096 + 2048 + 2048, Block Data, Meta, Light
if (strlen($this->chunks[$index][$Y] = substr($chunk, $offset, 8192)) < 8192) {
MainLogger::getLogger()->notice("Empty corrupt chunk detected [{$X},{$Z},:{$Y}], recovering contents");
$this->fillMiniChunk($X, $Z, $Y);
}
$offset += 8192;
} else {
$this->chunks[$index][$Y] = false;
}
}
if ($this->isGenerating === 0 and !$this->isPopulated($X, $Z)) {
$this->populateChunk($X, $Z);
}
return true;
}
/**
* 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, $chunkZ, true);
}
return true;
}
public function doSlowCleanUp()
{
for ($i = 0; $i < 1024; ++$i) {
if ($this->locationTable[$i][0] === 0 or $this->locationTable[$i][1] === 0) {
continue;
}
fseek($this->filePointer, $this->locationTable[$i][0] << 12);
$chunk = fread($this->filePointer, $this->locationTable[$i][1] << 12);
$length = Binary::readInt(substr($chunk, 0, 4));
if ($length <= 1) {
$this->locationTable[$i] = [0, 0, 0];
//Non-generated chunk, remove it from index
}
try {
$chunk = zlib_decode(substr($chunk, 5));
} catch (\Exception $e) {
$this->locationTable[$i] = [0, 0, 0];
//Corrupted chunk, remove it
continue;
}
$chunk = chr(self::COMPRESSION_ZLIB) . zlib_encode($chunk, ZLIB_ENCODING_DEFLATE, 9);
$chunk = Binary::writeInt(strlen($chunk)) . $chunk;
$sectors = (int) ceil(strlen($chunk) / 4096);
if ($sectors > $this->locationTable[$i][1]) {
$this->locationTable[$i][0] = $this->lastSector + 1;
$this->lastSector += $sectors;
}
fseek($this->filePointer, $this->locationTable[$i][0] << 12);
fwrite($this->filePointer, str_pad($chunk, $sectors << 12, "", STR_PAD_RIGHT));
}
$this->writeLocationTable();
$n = $this->cleanGarbage();
$this->writeLocationTable();
return $n;
}
protected function getInt()
{
return Binary::readInt($this->get(4));
}
public function handle($address, $port, $packet)
{
$offset = 2;
$packetType = ord($packet[$offset++]);
$sessionID = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$payload = substr($packet, $offset);
switch ($packetType) {
case self::HANDSHAKE:
//Handshake
$reply = chr(self::HANDSHAKE);
$reply .= Binary::writeInt($sessionID);
$reply .= self::getTokenString($this->token, $address) . "";
$this->server->sendPacket($address, $port, $reply);
break;
case self::STATISTICS:
//Stat
$token = Binary::readInt(substr($payload, 0, 4));
if ($token !== self::getTokenString($this->token, $address) and $token !== self::getTokenString($this->lastToken, $address)) {
break;
}
$reply = chr(self::STATISTICS);
$reply .= Binary::writeInt($sessionID);
if (strlen($payload) === 8) {
if ($this->timeout < microtime(true)) {
$this->regenerateInfo();
}
$reply .= $this->longData;
} else {
$reply .= $this->server->getServerName() . "" . (($this->server->getGamemode() & 0x1) === 0 ? "SMP" : "CMP") . "" . ($this->server->getDefaultLevel() === null ? "unknown" : $this->server->getDefaultLevel()->getName()) . "" . count($this->server->getOnlinePlayers()) . "" . $this->server->getMaxPlayers() . "" . Binary::writeLShort($this->server->getPort()) . $this->server->getIp() . "";
}
$this->server->sendPacket($address, $port, $reply);
break;
}
}
public static function decompressName($compressed)
{
$int = substr($compressed, 0, 4);
$long = substr($compressed, 4, 8);
/** @var int $value */
$value = Binary::readInt($int, false);
$value <<= 32;
$value += Binary::readLong($long, false);
$out = "";
for ($offset = 0; $offset <= 16; $offset++) {
$ord = $value & 0b111111;
if (0 <= $ord and $ord <= 9) {
$chr = chr(ord("0") + $ord);
} else {
$ord -= 10;
if ($ord <= 25) {
$chr = chr(ord("a") + $ord);
} else {
$chr = "_";
}
// corrupted databases will lead to a large amount of underscores
}
$out = $chr . $out;
}
return $out;
}
public function getInt(bool $network = false)
{
if ($network === true) {
return Binary::readVarInt($this);
}
return $this->endianness === self::BIG_ENDIAN ? Binary::readInt($this->get(4)) : Binary::readLInt($this->get(4));
}
public function handlePackets()
{
while (strlen($packet = $this->generationThread->readThreadToMainPacket()) > 0) {
$pid = ord($packet[0]);
$offset = 1;
if ($pid === GenerationManager::PACKET_REQUEST_CHUNK) {
$levelID = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$chunkX = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$chunkZ = Binary::readInt(substr($packet, $offset, 4));
$this->handleRequest($levelID, $chunkX, $chunkZ);
} elseif ($pid === GenerationManager::PACKET_SEND_CHUNK) {
$levelID = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$len = ord($packet[$offset++]);
/** @var FullChunk $class */
$class = substr($packet, $offset, $len);
$offset += $len;
$level = $this->server->getLevel($levelID);
if ($level instanceof Level) {
$chunk = $class::fromBinary(substr($packet, $offset), $level->getProvider());
$this->receiveChunk($levelID, $chunk);
}
}
}
}
public function readPacket()
{
$packets = [];
if ($this->receiveBuffer !== "" && strlen($this->receiveBuffer) > 0) {
$len = strlen($this->receiveBuffer);
$offset = 0;
while ($offset < $len) {
if ($offset > $len - 4) {
break;
}
$pkLen = Binary::readInt(substr($this->receiveBuffer, $offset, 4));
$offset += 4;
if ($pkLen <= $len - $offset) {
$buf = substr($this->receiveBuffer, $offset, $pkLen);
$offset += $pkLen;
$packets[] = $buf;
} else {
$offset -= 4;
break;
}
}
if ($offset < $len) {
$this->receiveBuffer = substr($this->receiveBuffer, $offset);
} else {
$this->receiveBuffer = "";
}
}
return $packets;
}
protected function readPacket()
{
if (strlen($packet = $this->thread->readMainToThreadPacket()) > 0) {
$pid = ord($packet[0]);
$offset = 1;
if ($pid === self::PACKET_REQUEST_CHUNK) {
$levelID = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$chunkX = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$chunkZ = Binary::readInt(substr($packet, $offset, 4));
$this->enqueueChunk($levelID, $chunkX, $chunkZ);
} elseif ($pid === self::PACKET_SEND_CHUNK) {
$levelID = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$len = ord($packet[$offset++]);
/** @var FullChunk $class */
$class = substr($packet, $offset, $len);
$offset += $len;
$chunk = $class::fromBinary(substr($packet, $offset));
$this->receiveChunk($levelID, $chunk);
} elseif ($pid === self::PACKET_OPEN_LEVEL) {
$levelID = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$seed = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$len = Binary::readShort(substr($packet, $offset, 2));
$offset += 2;
$class = substr($packet, $offset, $len);
$offset += $len;
$options = unserialize(substr($packet, $offset));
$this->openLevel($levelID, $seed, $class, $options);
} elseif ($pid === self::PACKET_CLOSE_LEVEL) {
$levelID = Binary::readInt(substr($packet, $offset, 4));
$this->closeLevel($levelID);
} elseif ($pid === self::PACKET_ADD_NAMESPACE) {
$len = Binary::readShort(substr($packet, $offset, 2));
$offset += 2;
$namespace = substr($packet, $offset, $len);
$offset += $len;
$path = substr($packet, $offset);
$this->loader->addPath($path);
} elseif ($pid === self::PACKET_SHUTDOWN) {
foreach ($this->levels as $level) {
$level->shutdown();
}
$this->levels = [];
$this->shutdown = true;
}
} elseif (count($this->thread->getInternalQueue()) === 0) {
$this->thread->synchronized(function () {
$this->thread->wait(50000);
});
}
}
public static function fromFastBinary($data, LevelProvider $provider = null)
{
try {
$offset = 0;
$chunk = new Chunk($provider instanceof LevelProvider ? $provider : McRegion::class, null);
$chunk->provider = $provider;
$chunk->x = Binary::readInt(substr($data, $offset, 4));
$offset += 4;
$chunk->z = Binary::readInt(substr($data, $offset, 4));
$offset += 4;
$chunk->blocks = substr($data, $offset, 32768);
$offset += 32768;
$chunk->data = substr($data, $offset, 16384);
$offset += 16384;
$chunk->skyLight = substr($data, $offset, 16384);
$offset += 16384;
$chunk->blockLight = substr($data, $offset, 16384);
$offset += 16384;
$chunk->heightMap = array_values(unpack("C*", substr($data, $offset, 256)));
$offset += 256;
$chunk->biomeColors = array_values(unpack("N*", substr($data, $offset, 1024)));
$offset += 1024;
$flags = ord($data[$offset++]);
$chunk->nbt->TerrainGenerated = new Byte("TerrainGenerated", $flags & 0b1);
$chunk->nbt->TerrainPopulated = new Byte("TerrainPopulated", $flags >> 1 & 0b1);
$chunk->nbt->LightPopulated = new Byte("LightPopulated", $flags >> 2 & 0b1);
return $chunk;
} catch (\Exception $e) {
return null;
}
}
public function processBatch(BatchPacket $packet, Player $p)
{
$str = zlib_decode($packet->payload, 1024 * 1024 * 64);
//Max 64MB
$len = strlen($str);
$offset = 0;
try {
while ($offset < $len) {
$pkLen = Binary::readInt(substr($str, $offset, 4));
$offset += 4;
$buf = substr($str, $offset, $pkLen);
$offset += $pkLen;
if (($pk = $this->getPacket(ord($buf[1]))) !== null) {
if ($pk::NETWORK_ID === Info::BATCH_PACKET) {
throw new \InvalidStateException("Invalid BatchPacket inside BatchPacket");
}
$pk->setBuffer($buf, 2);
$pk->decode();
$p->handleDataPacket($pk);
if ($pk->getOffset() <= 0) {
return;
}
}
}
} catch (\Throwable $e) {
if (\pocketmine\DEBUG > 1) {
$logger = $this->server->getLogger();
if ($logger instanceof MainLogger) {
$logger->debug("BatchPacket " . " 0x" . bin2hex($packet->payload));
$logger->logException($e);
}
}
}
}
/**
* @param int $chunkX
* @param int $chunkZ
* @param LevelProvider $provider
*
* @return Chunk
*/
public static function getEmptyChunk($chunkX, $chunkZ, LevelProvider $provider = null)
{
try {
$chunk = new Chunk($provider instanceof LevelProvider ? $provider : McRegion::class, null);
$chunk->x = $chunkX;
$chunk->z = $chunkZ;
$chunk->data = str_repeat("", 16384);
$chunk->blocks = $chunk->data . $chunk->data;
$chunk->skyLight = str_repeat("ÿ", 16384);
$chunk->blockLight = $chunk->data;
$chunk->heightMap = array_fill(0, 256, 0);
$chunk->biomeColors = array_fill(0, 256, Binary::readInt("…²J"));
$chunk->nbt->V = new Byte("V", 1);
$chunk->nbt->InhabitedTime = new Long("InhabitedTime", 0);
$chunk->nbt->TerrainGenerated = new Byte("TerrainGenerated", 0);
$chunk->nbt->TerrainPopulated = new Byte("TerrainPopulated", 0);
$chunk->nbt->LightPopulated = new Byte("LightPopulated", 0);
return $chunk;
} catch (\Exception $e) {
return null;
}
}
public function getInt()
{
return Binary::readInt($this->get(4));
}
public static function fromFastBinary($data, LevelProvider $provider = null)
{
try {
$offset = 0;
$chunk = new Chunk($provider instanceof LevelProvider ? $provider : McRegion::class, null);
$chunk->provider = $provider;
$chunk->x = Binary::readInt(substr($data, $offset, 4));
$offset += 4;
$chunk->z = Binary::readInt(substr($data, $offset, 4));
$offset += 4;
$chunk->blocks = substr($data, $offset, 32768);
$offset += 32768;
$chunk->data = substr($data, $offset, 16384);
$offset += 16384;
$chunk->skyLight = substr($data, $offset, 16384);
$offset += 16384;
$chunk->blockLight = substr($data, $offset, 16384);
$offset += 16384;
$chunk->biomeIds = substr($data, $offset, 256);
$offset += 256;
$chunk->biomeColors = [];
$chunk->heightMap = [];
$bc = unpack("N*", substr($data, $offset, 1024));
$offset += 1024;
$hm = unpack("N*", substr($data, $offset, 1024));
$offset += 1024;
for ($i = 0; $i < 256; ++$i) {
$chunk->biomeColors[$i] = $bc[$i + 1];
$chunk->heightMap[$i] = $hm[$i + 1];
}
$flags = ord($data[$offset++]);
$chunk->nbt->TerrainGenerated = new Byte("TerrainGenerated", $flags & 0b1);
$chunk->nbt->TerrainPopulated = new Byte("TerrainPopulated", $flags >> 1);
return $chunk;
} catch (\Exception $e) {
return null;
}
}