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Moved network chunk serializing code to network\mcpe namespace

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This commit is contained in:
Dylan K. Taylor 2019-06-14 18:25:06 +01:00
parent 08de657c8d
commit 2cb6fda286
3 changed files with 78 additions and 45 deletions
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2
src/pocketmine/network/mcpe/ChunkRequestTask.php
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@ -43,7 +43,7 @@ class ChunkRequestTask extends AsyncTask{
public function __construct(int $chunkX, int $chunkZ, Chunk $chunk, CompressBatchPromise $promise, ?\Closure $onError = null){
$this->compressionLevel = NetworkCompression::$LEVEL;
$this->chunk = $chunk->networkSerialize();
$this->chunk = ChunkSerializer::serialize($chunk);
$this->chunkX = $chunkX;
$this->chunkZ = $chunkZ;

77
src/pocketmine/network/mcpe/ChunkSerializer.php Normal file
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@ -0,0 +1,77 @@
<?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/
*
*
*/
declare(strict_types=1);
namespace pocketmine\network\mcpe;
use pocketmine\block\tile\Spawnable;
use pocketmine\network\mcpe\protocol\types\RuntimeBlockMapping;
use pocketmine\world\format\Chunk;
use function count;
use function pack;
final class ChunkSerializer{
private function __construct(){
//NOOP
}
/**
* @param Chunk $chunk
*
* @return string
*/
public static function serialize(Chunk $chunk) : string{
$stream = new NetworkBinaryStream();
$subChunkCount = $chunk->getSubChunkSendCount();
$stream->putByte($subChunkCount);
for($y = 0; $y < $subChunkCount; ++$y){
$layers = $chunk->getSubChunk($y)->getBlockLayers();
$stream->putByte(8); //version
$stream->putByte(count($layers));
foreach($layers as $blocks){
$stream->putByte(($blocks->getBitsPerBlock() << 1) | 1); //last 1-bit means "network format", but seems pointless
$stream->put($blocks->getWordArray());
$palette = $blocks->getPalette();
$stream->putVarInt(count($palette)); //yes, this is intentionally zigzag
foreach($palette as $p){
$stream->putVarInt(RuntimeBlockMapping::toStaticRuntimeId($p >> 4, $p & 0xf));
}
}
}
$stream->put(pack("v*", ...$chunk->getHeightMapArray()));
$stream->put($chunk->getBiomeIdArray());
$stream->putByte(0); //border block array count
//Border block entry format: 1 byte (4 bits X, 4 bits Z). These are however useless since they crash the regular client.
foreach($chunk->getTiles() as $tile){
if($tile instanceof Spawnable){
$stream->put($tile->getSerializedSpawnCompound());
}
}
return $stream->getBuffer();
}
}

44
src/pocketmine/world/format/Chunk.php
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@ -28,14 +28,11 @@ namespace pocketmine\world\format;
use pocketmine\block\BlockFactory;
use pocketmine\block\BlockLegacyIds;
use pocketmine\block\tile\Spawnable;
use pocketmine\block\tile\Tile;
use pocketmine\block\tile\TileFactory;
use pocketmine\entity\Entity;
use pocketmine\entity\EntityFactory;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\network\mcpe\NetworkBinaryStream;
use pocketmine\network\mcpe\protocol\types\RuntimeBlockMapping;
use pocketmine\Player;
use pocketmine\world\World;
use function array_fill;
@ -45,7 +42,6 @@ use function assert;
use function chr;
use function count;
use function ord;
use function pack;
use function str_repeat;
use function strlen;
@ -723,46 +719,6 @@ class Chunk{
}
}
/**
* Serializes the chunk for sending to players
*
* @return string
*/
public function networkSerialize() : string{
$stream = new NetworkBinaryStream();
$subChunkCount = $this->getSubChunkSendCount();
$stream->putByte($subChunkCount);
for($y = 0; $y < $subChunkCount; ++$y){
$layers = $this->subChunks[$y]->getBlockLayers();
$stream->putByte(8); //version
$stream->putByte(count($layers));
foreach($layers as $blocks){
$stream->putByte(($blocks->getBitsPerBlock() << 1) | 1); //last 1-bit means "network format", but seems pointless
$stream->put($blocks->getWordArray());
$palette = $blocks->getPalette();
$stream->putVarInt(count($palette)); //yes, this is intentionally zigzag
foreach($palette as $p){
$stream->putVarInt(RuntimeBlockMapping::toStaticRuntimeId($p >> 4, $p & 0xf));
}
}
}
$stream->put(pack("v*", ...$this->heightMap));
$stream->put($this->biomeIds);
$stream->putByte(0); //border block array count
//Border block entry format: 1 byte (4 bits X, 4 bits Z). These are however useless since they crash the regular client.
foreach($this->tiles as $tile){
if($tile instanceof Spawnable){
$stream->put($tile->getSerializedSpawnCompound());
}
}
return $stream->getBuffer();
}
/**
* Hashes the given chunk block coordinates into a single integer.
*