mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-05-30 00:49:44 +00:00
336 lines
8.4 KiB
PHP
336 lines
8.4 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\leveldb;
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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\Player;
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use pocketmine\utils\Binary;
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class Chunk extends BaseFullChunk{
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protected $isPopulated = false;
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protected $isGenerated = false;
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public function __construct($level, $chunkX, $chunkZ, &$terrain, array $entityData = null, array $tileData = null){
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$heightMap = array_fill(0, 256, 127);
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$offset = 0;
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$blocks = substr($terrain, $offset, 32768);
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$offset += 32768;
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$data = substr($terrain, $offset, 16384);
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$offset += 16384;
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$skyLight = substr($terrain, $offset, 16384);
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$offset += 16384;
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$blockLight = substr($terrain, $offset, 16384);
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$offset += 16384;
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$biomes = substr($terrain, $offset, 256);
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$offset += 256;
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$biomeColors = [];
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foreach(unpack("N*", substr($terrain, $offset, 1024)) as $c){
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$biomeColors[] = $c;
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}
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$offset += 1024;
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parent::__construct($level, $chunkX, $chunkZ, $blocks, $data, $skyLight, $blockLight, $biomes, $biomeColors, $heightMap, $entityData === null ? [] : $entityData, $tileData === null ? [] : $tileData);
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}
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public function getBlockId($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 getBlock($x, $y, $z, &$blockId, &$meta = null){
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$full = $this->getFullBlock($x, $y, $z);
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$blockId = $full >> 4;
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$meta = $full & 0x0f;
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}
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public function setBlock($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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/**
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* @return bool
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*/
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public function isPopulated(){
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return $this->isPopulated;
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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->isPopulated = (bool) $value;
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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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return $this->isGenerated;
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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->isGenerated = (bool) $value;
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}
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public static function fromFastBinary(&$data, LevelProvider $provider = null){
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return self::fromBinary($data, $provider);
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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 $provider = null){
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try{
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$chunkX = Binary::readLInt(substr($data, 0, 4));
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$chunkZ = Binary::readLInt(substr($data, 4, 4));
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$chunkData = substr($data, 8, -1);
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$flags = ord(substr($data, -1));
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$entities = null;
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$tiles = null;
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if($provider instanceof LevelDB){
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$nbt = new NBT(NBT::LITTLE_ENDIAN);
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$entityData = $provider->getDatabase()->get(substr($data, 0, 8) . "\x32");
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if($entityData !== false and strlen($entityData) > 0){
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$nbt->read($entityData, true);
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$entities = $nbt->getData();
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if(!is_array($entities)){
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$entities = [$entities];
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}
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}
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$tileData = $provider->getDatabase()->get(substr($data, 0, 8) . "\x31");
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if($tileData !== false and strlen($tileData) > 0){
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$nbt->read($tileData, true);
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$tiles = $nbt->getData();
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if(!is_array($tiles)){
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$tiles = [$tiles];
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}
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}
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}
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$chunk = new Chunk($provider instanceof LevelProvider ? $provider : LevelDB::class, $chunkX, $chunkZ, $chunkData, $entities, $tiles);
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if($flags & 0x01){
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$chunk->setGenerated();
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}
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if($flags & 0x02){
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$chunk->setPopulated();
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}
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return $chunk;
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}catch(\Exception $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 $this->toBinary(false);
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}
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public function toBinary($saveExtra = false){
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$chunkIndex = LevelDB::chunkIndex($this->getX(), $this->getZ());
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$provider = $this->getProvider();
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if($saveExtra and $provider instanceof LevelDB){
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$nbt = new NBT(NBT::LITTLE_ENDIAN);
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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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$nbt->setData($entity->namedtag);
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$entities[] = $nbt->write();
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}
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}
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if(count($entities) > 0){
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$provider->getDatabase()->put($chunkIndex . "\x32", implode($entities));
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}else{
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$provider->getDatabase()->delete($chunkIndex . "\x32");
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}
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$tiles = [];
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foreach($this->getTiles() as $tile){
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if(!$tile->closed){
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$tile->saveNBT();
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$nbt->setData($tile->namedtag);
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$tiles[] = $nbt->write();
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}
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}
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if(count($tiles) > 0){
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$provider->getDatabase()->put($chunkIndex . "\x31", implode($tiles));
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}else{
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$provider->getDatabase()->delete($chunkIndex . "\x31");
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}
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}
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$biomeColors = pack("N*", ...$this->getBiomeColorArray());
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return $chunkIndex .
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$this->getBlockIdArray() .
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$this->getBlockDataArray() .
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$this->getBlockSkyLightArray() .
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$this->getBlockLightArray() .
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$this->getBiomeIdArray() .
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$biomeColors . chr(
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($this->isPopulated() ? 0x02 : 0) | ($this->isGenerated() ? 0x01 : 0)
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);
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}
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} |