mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-05-31 01:13:33 +00:00
462 lines
13 KiB
PHP
462 lines
13 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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namespace pocketmine\level\format\mcregion;
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use pocketmine\level\format\generic\BaseFullChunk;
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use pocketmine\level\format\LevelProvider;
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use pocketmine\nbt\NBT;
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use pocketmine\nbt\tag\ByteTag;
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use pocketmine\nbt\tag\ByteArrayTag;
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use pocketmine\nbt\tag\CompoundTag;
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use pocketmine\nbt\tag\ListTag;
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use pocketmine\nbt\tag\IntTag;
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use pocketmine\nbt\tag\IntArrayTag;
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use pocketmine\nbt\tag\LongTag;
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use pocketmine\Player;
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use pocketmine\utils\Binary;
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use pocketmine\utils\BinaryStream;
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class Chunk extends BaseFullChunk{
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/** @var CompoundTag */
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protected $nbt;
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public function __construct($level, CompoundTag $nbt = null){
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if($nbt === null){
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$this->provider = $level;
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$this->nbt = new CompoundTag("Level", []);
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return;
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}
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$this->nbt = $nbt;
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if(isset($this->nbt->Entities) and $this->nbt->Entities instanceof ListTag){
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$this->nbt->Entities->setTagType(NBT::TAG_Compound);
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}else{
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$this->nbt->Entities = new ListTag("Entities", []);
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$this->nbt->Entities->setTagType(NBT::TAG_Compound);
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}
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if(isset($this->nbt->TileEntities) and $this->nbt->TileEntities instanceof ListTag){
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$this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
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}else{
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$this->nbt->TileEntities = new ListTag("TileEntities", []);
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$this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
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}
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if(isset($this->nbt->TileTicks) and $this->nbt->TileTicks instanceof ListTag){
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$this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
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}else{
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$this->nbt->TileTicks = new ListTag("TileTicks", []);
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$this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
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}
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if(!isset($this->nbt->BiomeColors) or !($this->nbt->BiomeColors instanceof IntArrayTag)){
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$this->nbt->BiomeColors = new IntArrayTag("BiomeColors", array_fill(0, 256, 0));
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}
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if(!isset($this->nbt->HeightMap) or !($this->nbt->HeightMap instanceof IntArrayTag)){
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$this->nbt->HeightMap = new IntArrayTag("HeightMap", array_fill(0, 256, 0));
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}
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if(!isset($this->nbt->Blocks)){
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$this->nbt->Blocks = new ByteArrayTag("Blocks", str_repeat("\x00", 32768));
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}
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if(!isset($this->nbt->Data)){
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$this->nbt->Data = new ByteArrayTag("Data", $half = str_repeat("\x00", 16384));
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$this->nbt->SkyLight = new ByteArrayTag("SkyLight", $half);
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$this->nbt->BlockLight = new ByteArrayTag("BlockLight", $half);
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}
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$extraData = [];
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if(!isset($this->nbt->ExtraData) or !($this->nbt->ExtraData instanceof ByteArrayTag)){
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$this->nbt->ExtraData = new ByteArrayTag("ExtraData", Binary::writeInt(0));
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}else{
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$stream = new BinaryStream($this->nbt->ExtraData->getValue());
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$count = $stream->getInt();
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for($i = 0; $i < $count; ++$i){
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$key = $stream->getInt();
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$extraData[$key] = $stream->getShort(false);
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}
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}
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parent::__construct($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(), $extraData);
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if(isset($this->nbt->Biomes)){
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$this->checkOldBiomes($this->nbt->Biomes->getValue());
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unset($this->nbt->Biomes);
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}
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unset($this->nbt->Blocks);
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unset($this->nbt->Data);
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unset($this->nbt->SkyLight);
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unset($this->nbt->BlockLight);
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unset($this->nbt->BiomeColors);
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unset($this->nbt->HeightMap);
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unset($this->nbt->Biomes);
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}
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public function getBlockId($x, $y, $z){
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return ord($this->blocks{($x << 11) | ($z << 7) | $y});
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}
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public function setBlockId($x, $y, $z, $id){
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$this->blocks{($x << 11) | ($z << 7) | $y} = chr($id);
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$this->hasChanged = true;
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}
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public function getBlockData($x, $y, $z){
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$m = ord($this->data{($x << 10) | ($z << 6) | ($y >> 1)});
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if(($y & 1) === 0){
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return $m & 0x0F;
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}else{
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return $m >> 4;
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}
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}
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public function setBlockData($x, $y, $z, $data){
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$i = ($x << 10) | ($z << 6) | ($y >> 1);
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$old_m = ord($this->data{$i});
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if(($y & 1) === 0){
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$this->data{$i} = chr(($old_m & 0xf0) | ($data & 0x0f));
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}else{
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$this->data{$i} = chr((($data & 0x0f) << 4) | ($old_m & 0x0f));
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}
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$this->hasChanged = true;
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}
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public function getFullBlock($x, $y, $z){
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$i = ($x << 11) | ($z << 7) | $y;
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if(($y & 1) === 0){
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return (ord($this->blocks{$i}) << 4) | (ord($this->data{$i >> 1}) & 0x0F);
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}else{
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return (ord($this->blocks{$i}) << 4) | (ord($this->data{$i >> 1}) >> 4);
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}
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}
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public function setBlock($x, $y, $z, $blockId = null, $meta = null){
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$i = ($x << 11) | ($z << 7) | $y;
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$changed = false;
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if($blockId !== null){
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$blockId = chr($blockId);
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if($this->blocks{$i} !== $blockId){
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$this->blocks{$i} = $blockId;
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$changed = true;
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}
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}
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if($meta !== null){
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$i >>= 1;
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$old_m = ord($this->data{$i});
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if(($y & 1) === 0){
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$this->data{$i} = chr(($old_m & 0xf0) | ($meta & 0x0f));
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if(($old_m & 0x0f) !== $meta){
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$changed = true;
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}
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}else{
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$this->data{$i} = chr((($meta & 0x0f) << 4) | ($old_m & 0x0f));
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if((($old_m & 0xf0) >> 4) !== $meta){
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$changed = true;
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}
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}
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}
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if($changed){
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$this->hasChanged = true;
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}
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return $changed;
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}
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public function getBlockSkyLight($x, $y, $z){
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$sl = ord($this->skyLight{($x << 10) | ($z << 6) | ($y >> 1)});
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if(($y & 1) === 0){
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return $sl & 0x0F;
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}else{
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return $sl >> 4;
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}
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}
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public function setBlockSkyLight($x, $y, $z, $level){
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$i = ($x << 10) | ($z << 6) | ($y >> 1);
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$old_sl = ord($this->skyLight{$i});
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if(($y & 1) === 0){
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$this->skyLight{$i} = chr(($old_sl & 0xf0) | ($level & 0x0f));
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}else{
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$this->skyLight{$i} = chr((($level & 0x0f) << 4) | ($old_sl & 0x0f));
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}
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$this->hasChanged = true;
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}
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public function getBlockLight($x, $y, $z){
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$l = ord($this->blockLight{($x << 10) | ($z << 6) | ($y >> 1)});
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if(($y & 1) === 0){
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return $l & 0x0F;
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}else{
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return $l >> 4;
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}
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}
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public function setBlockLight($x, $y, $z, $level){
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$i = ($x << 10) | ($z << 6) | ($y >> 1);
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$old_l = ord($this->blockLight{$i});
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if(($y & 1) === 0){
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$this->blockLight{$i} = chr(($old_l & 0xf0) | ($level & 0x0f));
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}else{
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$this->blockLight{$i} = chr((($level & 0x0f) << 4) | ($old_l & 0x0f));
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}
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$this->hasChanged = true;
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}
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public function getBlockIdColumn($x, $z){
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return substr($this->blocks, ($x << 11) + ($z << 7), 128);
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}
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public function getBlockDataColumn($x, $z){
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return substr($this->data, ($x << 10) + ($z << 6), 64);
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}
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public function getBlockSkyLightColumn($x, $z){
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return substr($this->skyLight, ($x << 10) + ($z << 6), 64);
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}
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public function getBlockLightColumn($x, $z){
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return substr($this->blockLight, ($x << 10) + ($z << 6), 64);
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}
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public function isLightPopulated(){
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return $this->nbt["LightPopulated"] > 0;
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}
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public function setLightPopulated($value = 1){
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$this->nbt->LightPopulated = new ByteTag("LightPopulated", $value ? 1 : 0);
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$this->hasChanged = true;
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}
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/**
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* @return bool
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*/
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public function isPopulated(){
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return isset($this->nbt->TerrainPopulated) and $this->nbt->TerrainPopulated->getValue() > 0;
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}
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/**
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* @param int $value
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*/
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public function setPopulated($value = 1){
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$this->nbt->TerrainPopulated = new ByteTag("TerrainPopulated", $value ? 1 : 0);
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$this->hasChanged = true;
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}
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/**
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* @return bool
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*/
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public function isGenerated(){
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if(isset($this->nbt->TerrainGenerated)){
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return $this->nbt->TerrainGenerated->getValue() > 0;
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}elseif(isset($this->nbt->TerrainPopulated)){
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return $this->nbt->TerrainPopulated->getValue() > 0;
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}
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return false;
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}
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/**
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* @param int $value
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*/
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public function setGenerated($value = 1){
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$this->nbt->TerrainGenerated = new ByteTag("TerrainGenerated", (int) $value);
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$this->hasChanged = true;
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}
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/**
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* @param string $data
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* @param LevelProvider $provider
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*
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* @return Chunk
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*/
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public static function fromBinary($data, LevelProvider $provider = null){
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$nbt = new NBT(NBT::BIG_ENDIAN);
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try{
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$nbt->readCompressed($data, ZLIB_ENCODING_DEFLATE);
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$chunk = $nbt->getData();
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if(!isset($chunk->Level) or !($chunk->Level instanceof CompoundTag)){
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return null;
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}
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return new Chunk($provider instanceof LevelProvider ? $provider : McRegion::class, $chunk->Level);
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}catch(\Throwable $e){
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return null;
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}
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}
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public static function fromFastBinary($data, LevelProvider $provider = null){
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try{
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$offset = 0;
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$chunk = new Chunk($provider instanceof LevelProvider ? $provider : McRegion::class, null);
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$chunk->provider = $provider;
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$chunk->x = Binary::readInt(substr($data, $offset, 4));
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$offset += 4;
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$chunk->z = Binary::readInt(substr($data, $offset, 4));
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$offset += 4;
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$chunk->blocks = substr($data, $offset, 32768);
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$offset += 32768;
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$chunk->data = substr($data, $offset, 16384);
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$offset += 16384;
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$chunk->skyLight = substr($data, $offset, 16384);
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$offset += 16384;
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$chunk->blockLight = substr($data, $offset, 16384);
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$offset += 16384;
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$chunk->heightMap = array_values(unpack("C*", substr($data, $offset, 256)));
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$offset += 256;
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$chunk->biomeColors = array_values(unpack("N*", substr($data, $offset, 1024)));
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$offset += 1024;
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$flags = ord($data{$offset++});
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$chunk->nbt->TerrainGenerated = new ByteTag("TerrainGenerated", $flags & 0b1);
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$chunk->nbt->TerrainPopulated = new ByteTag("TerrainPopulated", ($flags >> 1) & 0b1);
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$chunk->nbt->LightPopulated = new ByteTag("LightPopulated", ($flags >> 2) & 0b1);
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return $chunk;
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}catch(\Throwable $e){
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return null;
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}
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}
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public function toFastBinary(){
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return
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Binary::writeInt($this->x) .
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Binary::writeInt($this->z) .
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$this->getBlockIdArray() .
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$this->getBlockDataArray() .
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$this->getBlockSkyLightArray() .
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$this->getBlockLightArray() .
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pack("C*", ...$this->getHeightMapArray()) .
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pack("N*", ...$this->getBiomeColorArray()) .
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chr(($this->isLightPopulated() ? 1 << 2 : 0) + ($this->isPopulated() ? 1 << 1 : 0) + ($this->isGenerated() ? 1 : 0));
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}
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public function toBinary(){
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$nbt = clone $this->getNBT();
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$nbt->xPos = new IntTag("xPos", $this->x);
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$nbt->zPos = new IntTag("zPos", $this->z);
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if($this->isGenerated()){
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$nbt->Blocks = new ByteArrayTag("Blocks", $this->getBlockIdArray());
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$nbt->Data = new ByteArrayTag("Data", $this->getBlockDataArray());
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$nbt->SkyLight = new ByteArrayTag("SkyLight", $this->getBlockSkyLightArray());
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$nbt->BlockLight = new ByteArrayTag("BlockLight", $this->getBlockLightArray());
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$nbt->BiomeColors = new IntArrayTag("BiomeColors", $this->getBiomeColorArray());
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$nbt->HeightMap = new IntArrayTag("HeightMap", $this->getHeightMapArray());
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}
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$entities = [];
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foreach($this->getEntities() as $entity){
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if(!($entity instanceof Player) and !$entity->closed){
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$entity->saveNBT();
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$entities[] = $entity->namedtag;
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}
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}
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$nbt->Entities = new ListTag("Entities", $entities);
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$nbt->Entities->setTagType(NBT::TAG_Compound);
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$tiles = [];
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foreach($this->getTiles() as $tile){
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$tile->saveNBT();
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$tiles[] = $tile->namedtag;
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}
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$nbt->TileEntities = new ListTag("TileEntities", $tiles);
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$nbt->TileEntities->setTagType(NBT::TAG_Compound);
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$extraData = new BinaryStream();
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$extraData->putInt(count($this->getBlockExtraDataArray()));
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foreach($this->getBlockExtraDataArray() as $key => $value){
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$extraData->putInt($key);
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$extraData->putShort($value);
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}
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$nbt->ExtraData = new ByteArrayTag("ExtraData", $extraData->getBuffer());
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$writer = new NBT(NBT::BIG_ENDIAN);
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$nbt->setName("Level");
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$writer->setData(new CompoundTag("", ["Level" => $nbt]));
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return $writer->writeCompressed(ZLIB_ENCODING_DEFLATE, RegionLoader::$COMPRESSION_LEVEL);
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}
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/**
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* @return CompoundTag
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*/
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public function getNBT(){
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return $this->nbt;
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}
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/**
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* @param int $chunkX
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* @param int $chunkZ
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* @param LevelProvider $provider
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*
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* @return Chunk
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*/
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public static function getEmptyChunk($chunkX, $chunkZ, LevelProvider $provider = null){
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try{
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$chunk = new Chunk($provider instanceof LevelProvider ? $provider : McRegion::class, null);
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$chunk->x = $chunkX;
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$chunk->z = $chunkZ;
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$chunk->data = str_repeat("\x00", 16384);
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$chunk->blocks = $chunk->data . $chunk->data;
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$chunk->skyLight = str_repeat("\xff", 16384);
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$chunk->blockLight = $chunk->data;
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$chunk->heightMap = array_fill(0, 256, 0);
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$chunk->biomeColors = array_fill(0, 256, 0);
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$chunk->nbt->V = new ByteTag("V", 1);
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$chunk->nbt->InhabitedTime = new LongTag("InhabitedTime", 0);
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$chunk->nbt->TerrainGenerated = new ByteTag("TerrainGenerated", 0);
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$chunk->nbt->TerrainPopulated = new ByteTag("TerrainPopulated", 0);
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$chunk->nbt->LightPopulated = new ByteTag("LightPopulated", 0);
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return $chunk;
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}catch(\Throwable $e){
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return null;
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}
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}
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} |