/src/pocketmine/level/format/mcregion/Chunk.php
PHP | 463 lines | 338 code | 78 blank | 47 comment | 31 complexity | c7cf391cae2d381424a92254a239ebf0 MD5 | raw file
- <?php
- /*
- *
- * ____ _ _ __ __ _ __ __ ____
- * | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
- * |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
- */
- namespace pocketmine\level\format\mcregion;
- use pocketmine\level\format\generic\BaseFullChunk;
- use pocketmine\level\format\LevelProvider;
- use pocketmine\nbt\NBT;
- use pocketmine\nbt\tag\ByteTag;
- use pocketmine\nbt\tag\ByteArrayTag;
- use pocketmine\nbt\tag\CompoundTag;
- use pocketmine\nbt\tag\ListTag;
- use pocketmine\nbt\tag\IntTag;
- use pocketmine\nbt\tag\IntArrayTag;
- use pocketmine\nbt\tag\LongTag;
- use pocketmine\Player;
- use pocketmine\utils\Binary;
- use pocketmine\utils\BinaryStream;
- class Chunk extends BaseFullChunk{
- /** @var CompoundTag */
- protected $nbt;
- public function __construct($level, CompoundTag $nbt = null){
- if($nbt === null){
- $this->provider = $level;
- $this->nbt = new CompoundTag("Level", []);
- return;
- }
-
- $this->nbt = $nbt;
- if(isset($this->nbt->Entities) and $this->nbt->Entities instanceof ListTag){
- $this->nbt->Entities->setTagType(NBT::TAG_Compound);
- }else{
- $this->nbt->Entities = new ListTag("Entities", []);
- $this->nbt->Entities->setTagType(NBT::TAG_Compound);
- }
- if(isset($this->nbt->TileEntities) and $this->nbt->TileEntities instanceof ListTag){
- $this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
- }else{
- $this->nbt->TileEntities = new ListTag("TileEntities", []);
- $this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
- }
- if(isset($this->nbt->TileTicks) and $this->nbt->TileTicks instanceof ListTag){
- $this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
- }else{
- $this->nbt->TileTicks = new ListTag("TileTicks", []);
- $this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
- }
- if(!isset($this->nbt->BiomeColors) or !($this->nbt->BiomeColors instanceof IntArrayTag)){
- $this->nbt->BiomeColors = new IntArrayTag("BiomeColors", array_fill(0, 256, 0));
- }
- if(!isset($this->nbt->HeightMap) or !($this->nbt->HeightMap instanceof IntArrayTag)){
- $this->nbt->HeightMap = new IntArrayTag("HeightMap", array_fill(0, 256, 0));
- }
- if(!isset($this->nbt->Blocks)){
- $this->nbt->Blocks = new ByteArrayTag("Blocks", str_repeat("\x00", 32768));
- }
- if(!isset($this->nbt->Data)){
- $this->nbt->Data = new ByteArrayTag("Data", $half = str_repeat("\x00", 16384));
- $this->nbt->SkyLight = new ByteArrayTag("SkyLight", $half);
- $this->nbt->BlockLight = new ByteArrayTag("BlockLight", $half);
- }
- $extraData = [];
- if(!isset($this->nbt->ExtraData) or !($this->nbt->ExtraData instanceof ByteArrayTag)){
- $this->nbt->ExtraData = new ByteArrayTag("ExtraData", Binary::writeInt(0));
- }else{
- $stream = new BinaryStream($this->nbt->ExtraData->getValue());
- $count = $stream->getInt();
- for($i = 0; $i < $count; ++$i){
- $key = $stream->getInt();
- $extraData[$key] = $stream->getShort();
- }
- }
- parent::__construct($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->BiomeColors->getValue(), $this->nbt->HeightMap->getValue(), $this->nbt->Entities->getValue(), $this->nbt->TileEntities->getValue(), $extraData);
- if(isset($this->nbt->Biomes)){
- $this->checkOldBiomes($this->nbt->Biomes->getValue());
- unset($this->nbt->Biomes);
- }
- unset($this->nbt->Blocks);
- unset($this->nbt->Data);
- unset($this->nbt->SkyLight);
- unset($this->nbt->BlockLight);
- unset($this->nbt->BiomeColors);
- unset($this->nbt->HeightMap);
- unset($this->nbt->Biomes);
- }
- public function getBlockId($x, $y, $z){
- if(isset($this->blocks{($x << 11) | ($z << 7) | $y})) return ord($this->blocks{($x << 11) | ($z << 7) | $y});
- else return 0;
- }
- public function setBlockId($x, $y, $z, $id){
- $this->blocks{($x << 11) | ($z << 7) | $y} = chr($id);
- $this->hasChanged = true;
- }
- public function getBlockData($x, $y, $z){
- $m = ord($this->data{($x << 10) | ($z << 6) | ($y >> 1)});
- if(($y & 1) === 0){
- return $m & 0x0F;
- }else{
- return $m >> 4;
- }
- }
- public function setBlockData($x, $y, $z, $data){
- $i = ($x << 10) | ($z << 6) | ($y >> 1);
- $old_m = ord($this->data{$i});
- if(($y & 1) === 0){
- $this->data{$i} = chr(($old_m & 0xf0) | ($data & 0x0f));
- }else{
- $this->data{$i} = chr((($data & 0x0f) << 4) | ($old_m & 0x0f));
- }
- $this->hasChanged = true;
- }
- public function getFullBlock($x, $y, $z){
- $i = ($x << 11) | ($z << 7) | $y;
- if(($y & 1) === 0){
- return (ord($this->blocks{$i}) << 4) | (ord($this->data{$i >> 1}) & 0x0F);
- }else{
- return (ord($this->blocks{$i}) << 4) | (ord($this->data{$i >> 1}) >> 4);
- }
- }
- public function setBlock($x, $y, $z, $blockId = null, $meta = null){
- $i = ($x << 11) | ($z << 7) | $y;
- $changed = false;
- if($blockId !== null){
- $blockId = chr($blockId);
- if($this->blocks{$i} !== $blockId){
- $this->blocks{$i} = $blockId;
- $changed = true;
- }
- }
- if($meta !== null){
- $i >>= 1;
- $old_m = ord($this->data{$i});
- if(($y & 1) === 0){
- $this->data{$i} = chr(($old_m & 0xf0) | ($meta & 0x0f));
- if(($old_m & 0x0f) !== $meta){
- $changed = true;
- }
- }else{
- $this->data{$i} = chr((($meta & 0x0f) << 4) | ($old_m & 0x0f));
- if((($old_m & 0xf0) >> 4) !== $meta){
- $changed = true;
- }
- }
- }
- if($changed){
- $this->hasChanged = true;
- }
- return $changed;
- }
- public function getBlockSkyLight($x, $y, $z){
- $sl = ord($this->skyLight{($x << 10) | ($z << 6) | ($y >> 1)});
- if(($y & 1) === 0){
- return $sl & 0x0F;
- }else{
- return $sl >> 4;
- }
- }
- public function setBlockSkyLight($x, $y, $z, $level){
- $i = ($x << 10) | ($z << 6) | ($y >> 1);
- $old_sl = ord($this->skyLight{$i});
- if(($y & 1) === 0){
- $this->skyLight{$i} = chr(($old_sl & 0xf0) | ($level & 0x0f));
- }else{
- $this->skyLight{$i} = chr((($level & 0x0f) << 4) | ($old_sl & 0x0f));
- }
- $this->hasChanged = true;
- }
- public function getBlockLight($x, $y, $z){
- $l = ord($this->blockLight{($x << 10) | ($z << 6) | ($y >> 1)});
- if(($y & 1) === 0){
- return $l & 0x0F;
- }else{
- return $l >> 4;
- }
- }
- public function setBlockLight($x, $y, $z, $level){
- $i = ($x << 10) | ($z << 6) | ($y >> 1);
- $old_l = ord($this->blockLight{$i});
- if(($y & 1) === 0){
- $this->blockLight{$i} = chr(($old_l & 0xf0) | ($level & 0x0f));
- }else{
- $this->blockLight{$i} = chr((($level & 0x0f) << 4) | ($old_l & 0x0f));
- }
- $this->hasChanged = true;
- }
- public function getBlockIdColumn($x, $z){
- return substr($this->blocks, ($x << 11) + ($z << 7), 128);
- }
- public function getBlockDataColumn($x, $z){
- return substr($this->data, ($x << 10) + ($z << 6), 64);
- }
- public function getBlockSkyLightColumn($x, $z){
- return substr($this->skyLight, ($x << 10) + ($z << 6), 64);
- }
- public function getBlockLightColumn($x, $z){
- return substr($this->blockLight, ($x << 10) + ($z << 6), 64);
- }
- public function isLightPopulated(){
- return $this->nbt["LightPopulated"] > 0;
- }
- public function setLightPopulated($value = 1){
- $this->nbt->LightPopulated = new ByteTag("LightPopulated", $value ? 1 : 0);
- $this->hasChanged = true;
- }
- /**
- * @return bool
- */
- public function isPopulated(){
- return isset($this->nbt->TerrainPopulated) and $this->nbt->TerrainPopulated->getValue() > 0;
- }
- /**
- * @param int $value
- */
- public function setPopulated($value = 1){
- $this->nbt->TerrainPopulated = new ByteTag("TerrainPopulated", $value ? 1 : 0);
- $this->hasChanged = true;
- }
- /**
- * @return bool
- */
- public function isGenerated(){
- if(isset($this->nbt->TerrainGenerated)){
- return $this->nbt->TerrainGenerated->getValue() > 0;
- }elseif(isset($this->nbt->TerrainPopulated)){
- return $this->nbt->TerrainPopulated->getValue() > 0;
- }
- return false;
- }
- /**
- * @param int $value
- */
- public function setGenerated($value = 1){
- $this->nbt->TerrainGenerated = new ByteTag("TerrainGenerated", (int) $value);
- $this->hasChanged = true;
- }
- /**
- * @param string $data
- * @param LevelProvider $provider
- *
- * @return Chunk
- */
- public static function fromBinary($data, LevelProvider $provider = null){
- $nbt = new NBT(NBT::BIG_ENDIAN);
- try{
- $nbt->readCompressed($data, ZLIB_ENCODING_DEFLATE);
- $chunk = $nbt->getData();
- if(!isset($chunk->Level) or !($chunk->Level instanceof CompoundTag)){
- return null;
- }
- return new Chunk($provider instanceof LevelProvider ? $provider : McRegion::class, $chunk->Level);
- }catch(\Throwable $e){
- return null;
- }
- }
-
- public static function fromFastBinary($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 ByteTag("TerrainGenerated", $flags & 0b1);
- $chunk->nbt->TerrainPopulated = new ByteTag("TerrainPopulated", ($flags >> 1) & 0b1);
- $chunk->nbt->LightPopulated = new ByteTag("LightPopulated", ($flags >> 2) & 0b1);
- return $chunk;
- }catch(\Throwable $e){
- return null;
- }
- }
-
- public function toFastBinary(){
- return
- Binary::writeInt($this->x) .
- Binary::writeInt($this->z) .
- $this->getBlockIdArray() .
- $this->getBlockDataArray() .
- $this->getBlockSkyLightArray() .
- $this->getBlockLightArray() .
- pack("C*", ...$this->getHeightMapArray()) .
- pack("N*", ...$this->getBiomeColorArray()) .
- chr(($this->isLightPopulated() ? 1 << 2 : 0) + ($this->isPopulated() ? 1 << 1 : 0) + ($this->isGenerated() ? 1 : 0));
- }
- public function toBinary(){
- $nbt = clone $this->getNBT();
- $nbt->xPos = new IntTag("xPos", $this->x);
- $nbt->zPos = new IntTag("zPos", $this->z);
- if($this->isGenerated()){
- $nbt->Blocks = new ByteArrayTag("Blocks", $this->getBlockIdArray());
- $nbt->Data = new ByteArrayTag("Data", $this->getBlockDataArray());
- $nbt->SkyLight = new ByteArrayTag("SkyLight", $this->getBlockSkyLightArray());
- $nbt->BlockLight = new ByteArrayTag("BlockLight", $this->getBlockLightArray());
- $nbt->BiomeColors = new IntArrayTag("BiomeColors", $this->getBiomeColorArray());
- $nbt->HeightMap = new IntArrayTag("HeightMap", $this->getHeightMapArray());
- }
- $entities = [];
- foreach($this->getEntities() as $entity){
- if(!($entity instanceof Player) and !$entity->closed){
- $entity->saveNBT();
- $entities[] = $entity->namedtag;
- }
- }
- $nbt->Entities = new ListTag("Entities", $entities);
- $nbt->Entities->setTagType(NBT::TAG_Compound);
- $tiles = [];
- foreach($this->getTiles() as $tile){
- $tile->saveNBT();
- $tiles[] = $tile->namedtag;
- }
- $nbt->TileEntities = new ListTag("TileEntities", $tiles);
- $nbt->TileEntities->setTagType(NBT::TAG_Compound);
- $extraData = new BinaryStream();
- $extraData->putInt(count($this->getBlockExtraDataArray()));
- foreach($this->getBlockExtraDataArray() as $key => $value){
- $extraData->putInt($key);
- $extraData->putShort($value);
- }
- $nbt->ExtraData = new ByteArrayTag("ExtraData", $extraData->getBuffer());
- $writer = new NBT(NBT::BIG_ENDIAN);
- $nbt->setName("Level");
- $writer->setData(new CompoundTag("", ["Level" => $nbt]));
- return $writer->writeCompressed(ZLIB_ENCODING_DEFLATE, RegionLoader::$COMPRESSION_LEVEL);
- }
- /**
- * @return CompoundTag
- */
- public function getNBT(){
- return $this->nbt;
- }
- /**
- * @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("\x00", 16384);
- $chunk->blocks = $chunk->data . $chunk->data;
- $chunk->skyLight = str_repeat("\xff", 16384);
- $chunk->blockLight = $chunk->data;
- $chunk->heightMap = array_fill(0, 256, 0);
- $chunk->biomeColors = array_fill(0, 256, 0);
- $chunk->nbt->V = new ByteTag("V", 1);
- $chunk->nbt->InhabitedTime = new LongTag("InhabitedTime", 0);
- $chunk->nbt->TerrainGenerated = new ByteTag("TerrainGenerated", 0);
- $chunk->nbt->TerrainPopulated = new ByteTag("TerrainPopulated", 0);
- $chunk->nbt->LightPopulated = new ByteTag("LightPopulated", 0);
- return $chunk;
- }catch(\Throwable $e){
- return null;
- }
- }
- }