2014-08-01 13:22:48 +02:00

311 lines
8.7 KiB
PHP

<?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\Byte;
use pocketmine\nbt\tag\ByteArray;
use pocketmine\nbt\tag\Compound;
use pocketmine\nbt\tag\Enum;
use pocketmine\nbt\tag\Int;
use pocketmine\nbt\tag\IntArray;
use pocketmine\Player;
use pocketmine\utils\Binary;
class Chunk extends BaseFullChunk{
/** @var Compound */
protected $nbt;
public function __construct($level, Compound $nbt){
$this->nbt = $nbt;
if(isset($this->nbt->Entities) and $this->nbt->Entities instanceof Enum){
$this->nbt->Entities->setTagType(NBT::TAG_Compound);
}else{
$this->nbt->Entities = new Enum("Entities", []);
$this->nbt->Entities->setTagType(NBT::TAG_Compound);
}
if(isset($this->nbt->TileEntities) and $this->nbt->TileEntities instanceof Enum){
$this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
}else{
$this->nbt->TileEntities = new Enum("TileEntities", []);
$this->nbt->TileEntities->setTagType(NBT::TAG_Compound);
}
if(isset($this->nbt->TileTicks) and $this->nbt->TileTicks instanceof Enum){
$this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
}else{
$this->nbt->TileTicks = new Enum("TileTicks", []);
$this->nbt->TileTicks->setTagType(NBT::TAG_Compound);
}
if(!isset($this->nbt->Biomes) or !($this->nbt->Biomes instanceof ByteArray)){
$this->nbt->Biomes = new ByteArray("Biomes", str_repeat("\x01", 256));
}
if(!isset($this->nbt->BiomeColors) or !($this->nbt->BiomeColors instanceof IntArray)){
$this->nbt->BiomeColors = new IntArray("BiomeColors", array_fill(0, 156, Binary::readInt("\x00\x85\xb2\x4a")));
}
if(!isset($this->nbt->Blocks)){
$this->nbt->Blocks = new ByteArray("Blocks", str_repeat("\x00", 32768));
}
if(!isset($this->nbt->Data)){
$this->nbt->Data = new ByteArray("Data", $half = str_repeat("\x00", 16384));
$this->nbt->SkyLight = new ByteArray("SkyLight", $half);
$this->nbt->BlockLight = new ByteArray("BlockLight", $half);
}
parent::__construct($level, $this->nbt["xPos"], $this->nbt["zPos"], $this->nbt["Blocks"], $this->nbt["Data"], $this->nbt["SkyLight"], $this->nbt["BlockLight"], $this->nbt->Biomes->getValue(), $this->nbt->BiomeColors->getValue(), $this->nbt->Entities->getValue(), $this->nbt->TileEntities->getValue());
unset($this->nbt->Blocks);
unset($this->nbt->Data);
unset($this->nbt->SkyLight);
unset($this->nbt->BlockLight);
}
public function getBlockId($x, $y, $z){
return ord($this->blocks{($x << 11) + ($z << 7) + $y});
}
public function setBlockId($x, $y, $z, $id){
$this->blocks{($x << 11) + ($z << 7) + $y} = chr($id);
}
public function getBlockData($x, $y, $z){
$m = ord($this->data{($x << 10) + ($z << 6) + ($y >> 1)});
if(($y & 1) === 0){
return $m >> 4;
}else{
return $m & 0x0F;
}
}
public function setBlockData($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((($data & 0x0f) << 4) | ($old_m & 0x0f));
}else{
$this->data{$i} = chr(($old_m & 0xf0) | ($data & 0x0f));
}
}
public function getBlock($x, $y, $z, &$blockId, &$meta = null){
$i = ($x << 11) + ($z << 7) + $y;
$blockId = ord($this->blocks{$i});
$m = ord($this->data{$i >> 1});
if(($y & 1) === 0){
$meta = $m >> 4;
}else{
$meta = $m & 0x0F;
}
}
public function setBlock($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((($meta & 0x0f) << 4) | ($old_m & 0x0f));
if((($old_m & 0xf0) >> 4) !== $meta){
$changed = true;
}
}else{
$this->data{$i} = chr(($old_m & 0xf0) | ($meta & 0x0f));
if(($old_m & 0x0f) !== $meta){
$changed = 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 >> 4;
}else{
return $sl & 0x0F;
}
}
public function setBlockSkyLight($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((($level & 0x0f) << 4) | ($old_sl & 0x0f));
}else{
$this->skyLight{$i} = chr(($old_sl & 0xf0) | ($level & 0x0f));
}
}
public function getBlockLight($x, $y, $z){
$l = ord($this->blockLight{($x << 10) + ($z << 6) + ($y >> 1)});
if(($y & 1) === 0){
return $l >> 4;
}else{
return $l & 0x0F;
}
}
public function setBlockLight($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((($level & 0x0f) << 4) | ($old_l & 0x0f));
}else{
$this->blockLight{$i} = chr(($old_l & 0xf0) | ($level & 0x0f));
}
}
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);
}
/**
* @return bool
*/
public function isPopulated(){
return $this->nbt["TerrainPopulated"] > 0;
}
/**
* @param int $value
*/
public function setPopulated($value = 1){
$this->nbt->TerrainPopulated = new Byte("TerrainPopulated", $value);
}
/**
* @return bool
*/
public function isGenerated(){
return $this->nbt["TerrainPopulated"] > 0 or (isset($this->nbt->TerrainGenerated) and $this->nbt["TerrainGenerated"] > 0);
}
/**
* @param int $value
*/
public function setGenerated($value = 1){
$this->nbt->TerrainGenerated = new Byte("TerrainGenerated", $value);
}
/**
* @param string $data
* @param LevelProvider $provider
*
* @return Chunk
*/
public static function fromBinary($data, LevelProvider $provider = null){
$nbt = new NBT(NBT::BIG_ENDIAN);
$nbt->readCompressed($data, ZLIB_ENCODING_DEFLATE);
$chunk = $nbt->getData();
if(!isset($chunk->Level) or !($chunk->Level instanceof Compound)){
return null;
}
return new Chunk($provider instanceof LevelProvider ? $provider : "pocketmine\\level\\format\\mcregion\\McRegion", $chunk->Level);
}
public function toBinary(){
$nbt = clone $this->getNBT();
$nbt->xPos = new Int("xPos", $this->x);
$nbt->zPos = new Int("zPos", $this->z);
if($this->isGenerated()){
$nbt->Blocks = new ByteArray("Blocks", $this->getBlockIdArray());
$nbt->Data = new ByteArray("Data", $this->getBlockDataArray());
$nbt->SkyLight = new ByteArray("SkyLight", $this->getBlockSkyLightArray());
$nbt->BlockLight = new ByteArray("BlockLight", $this->getBlockLightArray());
$nbt->Biomes = new ByteArray("Biomes", $this->getBiomeIdArray());
$nbt->BiomeColors = new IntArray("BiomeColors", $this->getBiomeColorArray());
}
$entities = [];
foreach($this->getEntities() as $entity){
if(!($entity instanceof Player) and $entity->closed !== true){
$entity->saveNBT();
$entities[] = $entity->namedtag;
}
}
$nbt->Entities = new Enum("Entities", $entities);
$nbt->Entities->setTagType(NBT::TAG_Compound);
$tiles = [];
foreach($this->getTiles() as $tile){
if($tile->closed !== true){
$tile->saveNBT();
$tiles[] = $tile->namedtag;
}
}
$nbt->Entities = new Enum("TileEntities", $tiles);
$nbt->Entities->setTagType(NBT::TAG_Compound);
$writer = new NBT(NBT::BIG_ENDIAN);
$nbt->setName("Level");
$writer->setData(new Compound("", array("Level" => $nbt)));
return $writer->writeCompressed(ZLIB_ENCODING_DEFLATE, RegionLoader::$COMPRESSION_LEVEL);
}
/**
* @return Compound
*/
public function getNBT(){
return $this->nbt;
}
}