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(); }