public function __construct(LevelProvider $level, $regionX, $regionZ)
{
$this->x = $regionX;
$this->z = $regionZ;
$this->levelProvider = $level;
$this->filePath = $this->levelProvider->getPath() . "region/r.{$regionX}.{$regionZ}.mcr";
$exists = file_exists($this->filePath);
touch($this->filePath);
$this->filePointer = fopen($this->filePath, "r+b");
stream_set_read_buffer($this->filePointer, 1024 * 16);
//16KB
stream_set_write_buffer($this->filePointer, 1024 * 16);
//16KB
if (!$exists) {
$this->createBlank();
} else {
$this->loadLocationTable();
}
}
public function doChunkGarbageCollection()
{
$this->timings->doChunkGC->startTiming();
$X = null;
$Z = null;
foreach ($this->chunks as $index => $chunk) {
if (!isset($this->unloadQueue[$index]) and (!isset($this->usedChunks[$index]) or count($this->usedChunks[$index]) === 0)) {
if (PHP_INT_SIZE === 8) {
$X = $index >> 32 << 32 >> 32;
$Z = ($index & 4294967295.0) << 32 >> 32;
} else {
list($X, $Z) = explode(":", $index);
$X = (int) $X;
$Z = (int) $Z;
}
if (!$this->isSpawnChunk($X, $Z)) {
$this->unloadChunkRequest($X, $Z, true);
}
}
}
foreach ($this->provider->getLoadedChunks() as $chunk) {
if (!isset($this->chunks[PHP_INT_SIZE === 8 ? ($chunk->getX() & 4294967295.0) << 32 | $chunk->getZ() & 4294967295.0 : $chunk->getX() . ":" . $chunk->getZ()])) {
$this->provider->unloadChunk($chunk->getX(), $chunk->getZ(), false);
}
}
$this->provider->doGarbageCollection();
$this->timings->doChunkGC->stopTiming();
}
public function doChunkGarbageCollection()
{
$this->timings->doChunkGC->startTiming();
$X = null;
$Z = null;
foreach ($this->chunks as $index => $chunk) {
if (!isset($this->unloadQueue[$index]) and (!isset($this->usedChunks[$index]) or count($this->usedChunks[$index]) === 0)) {
Level::getXZ($index, $X, $Z);
if (!$this->isSpawnChunk($X, $Z)) {
$this->unloadChunkRequest($X, $Z, true);
}
}
}
foreach ($this->provider->getLoadedChunks() as $chunk) {
if (!isset($this->chunks[Level::chunkHash($chunk->getX(), $chunk->getZ())])) {
$this->provider->unloadChunk($chunk->getX(), $chunk->getZ(), false);
}
}
$this->provider->doGarbageCollection();
$this->timings->doChunkGC->stopTiming();
}
public function doChunkGarbageCollection()
{
$this->timings->doChunkGC->startTiming();
$X = null;
$Z = null;
foreach ($this->chunks as $index => $chunk) {
if (!isset($this->usedChunks[$index])) {
Level::getXZ($index, $X, $Z);
$this->unloadChunkRequest($X, $Z, true);
}
}
if (count($this->unloadQueue) > 0) {
foreach ($this->unloadQueue as $index => $time) {
Level::getXZ($index, $X, $Z);
if ($this->getAutoSave()) {
$this->provider->saveChunk($X, $Z);
}
//If the chunk can't be unloaded, it stays on the queue
if ($this->unloadChunk($X, $Z, true)) {
unset($this->unloadQueue[$index]);
}
}
}
foreach ($this->usedChunks as $i => $c) {
if (count($c) === 0) {
Level::getXZ($i, $X, $Z);
if (!$this->isSpawnChunk($X, $Z)) {
if ($this->getAutoSave()) {
$this->provider->saveChunk($X, $Z);
}
$this->unloadChunk($X, $Z, true);
}
}
}
$this->timings->doChunkGC->stopTiming();
}
/**
* @param string $data
* @param LevelProvider $provider
*
* @return Chunk
*/
public static function fromBinary($data, LevelProvider $provider = null)
{
try {
$chunkX = PHP_INT_SIZE === 8 ? unpack("V", substr($data, 0, 4))[1] << 32 >> 32 : unpack("V", substr($data, 0, 4))[1];
$chunkZ = PHP_INT_SIZE === 8 ? unpack("V", substr($data, 4, 4))[1] << 32 >> 32 : unpack("V", substr($data, 4, 4))[1];
$chunkData = substr($data, 8, -1);
$flags = ord(substr($data, -1));
$entities = null;
$tiles = null;
if ($provider instanceof LevelDB) {
$nbt = new NBT(NBT::LITTLE_ENDIAN);
$entityData = $provider->getDatabase()->get(substr($data, 0, 8) . "2");
if ($entityData !== false and strlen($entityData) > 0) {
$nbt->read($entityData, true);
$entities = $nbt->getData();
if (!is_array($entities)) {
$entities = [$entities];
}
}
$tileData = $provider->getDatabase()->get(substr($data, 0, 8) . "1");
if ($tileData !== false and strlen($tileData) > 0) {
$nbt->read($tileData, true);
$tiles = $nbt->getData();
if (!is_array($tiles)) {
$tiles = [$tiles];
}
}
}
$chunk = new Chunk($provider instanceof LevelProvider ? $provider : LevelDB::class, $chunkX, $chunkZ, $chunkData, $entities, $tiles);
if ($flags & 0x1) {
$chunk->setGenerated();
}
if ($flags & 0x2) {
$chunk->setPopulated();
}
return $chunk;
} catch (\Exception $e) {
return null;
}
}
public function doChunkGarbageCollection()
{
$this->timings->doChunkGC->startTiming();
$X = \null;
$Z = \null;
foreach ($this->chunks as $index => $chunk) {
if (!isset($this->unloadQueue[$index]) and (!isset($this->usedChunks[$index]) or \count($this->usedChunks[$index]) === 0)) {
$X = $index >> 32 << 32 >> 32;
$Z = ($index & 0xffffffff) << 32 >> 32;
if (!$this->isSpawnChunk($X, $Z)) {
$this->unloadChunkRequest($X, $Z, \true);
}
}
}
foreach ($this->provider->getLoadedChunks() as $chunk) {
if (!isset($this->chunks[($chunk->getX() & 0xffffffff) << 32 | $chunk->getZ() & 0xffffffff])) {
$this->provider->unloadChunk($chunk->getX(), $chunk->getZ(), \false);
}
}
$this->provider->doGarbageCollection();
$this->timings->doChunkGC->stopTiming();
}
/**
* @param string $data
* @param LevelProvider $provider
*
* @return Chunk
*/
public static function fromBinary($data, LevelProvider $provider = \null)
{
try {
$chunkX = \unpack("V", \substr($data, 0, 4))[1];
$chunkZ = \unpack("V", \substr($data, 4, 4))[1];
$chunkData = \substr($data, 8, -1);
$flags = \ord(\substr($data, -1));
$entities = \null;
$tiles = \null;
$extraData = [];
if ($provider instanceof LevelDB) {
$nbt = new NBT(NBT::LITTLE_ENDIAN);
$entityData = $provider->getDatabase()->get(\substr($data, 0, 8) . LevelDB::ENTRY_ENTITIES);
if ($entityData !== \false and \strlen($entityData) > 0) {
$nbt->read($entityData, \true);
$entities = $nbt->getData();
if (!\is_array($entities)) {
$entities = [$entities];
}
}
$tileData = $provider->getDatabase()->get(\substr($data, 0, 8) . LevelDB::ENTRY_TILES);
if ($tileData !== \false and \strlen($tileData) > 0) {
$nbt->read($tileData, \true);
$tiles = $nbt->getData();
if (!\is_array($tiles)) {
$tiles = [$tiles];
}
}
$tileData = $provider->getDatabase()->get(\substr($data, 0, 8) . LevelDB::ENTRY_EXTRA_DATA);
if ($tileData !== \false and \strlen($tileData) > 0) {
$stream = new BinaryStream($tileData);
$count = $stream->getInt();
for ($i = 0; $i < $count; ++$i) {
$key = $stream->getInt();
$value = $stream->getShort(\false);
$extraData[$key] = $value;
}
}
}
$chunk = new Chunk($provider instanceof LevelProvider ? $provider : LevelDB::class, $chunkX, $chunkZ, $chunkData, $entities, $tiles);
if ($flags & 0x1) {
$chunk->setGenerated();
}
if ($flags & 0x2) {
$chunk->setPopulated();
}
if ($flags & 0x4) {
$chunk->setLightPopulated();
}
return $chunk;
} catch (\Exception $e) {
return \null;
}
}
public function doChunkGarbageCollection()
{
$this->timings->doChunkGC->startTiming();
$X = \null;
$Z = \null;
foreach ($this->chunks as $index => $chunk) {
if (!isset($this->unloadQueue[$index]) and (!isset($this->usedChunks[$index]) or \count($this->usedChunks[$index]) === 0)) {
list($X, $Z) = \explode(":", $index);
$X = (int) $X;
$Z = (int) $Z;
if (!$this->isSpawnChunk($X, $Z)) {
$this->unloadChunkRequest($X, $Z, \true);
}
}
}
foreach ($this->provider->getLoadedChunks() as $chunk) {
if (!isset($this->chunks[$chunk->getX() . ":" . $chunk->getZ()])) {
$this->provider->unloadChunk($chunk->getX(), $chunk->getZ(), \false);
}
}
$this->provider->doGarbageCollection();
$this->timings->doChunkGC->stopTiming();
}
