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Added a SubChunkIteratorManager class for faster subchunk handling

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Dylan K. Taylor 2017-11-27 19:59:22 +00:00
parent 523a7f0999
commit 4703715063
1 changed files with 78 additions and 0 deletions
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src/pocketmine/level/utils/SubChunkIteratorManager.php Normal file
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<?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\level\utils;
use pocketmine\level\ChunkManager;
use pocketmine\level\format\Chunk;
use pocketmine\level\format\EmptySubChunk;
use pocketmine\level\format\SubChunkInterface;
class SubChunkIteratorManager{
/** @var ChunkManager */
public $level;
/** @var Chunk|null */
public $currentChunk;
/** @var SubChunkInterface|null */
public $currentSubChunk;
/** @var int */
protected $currentX;
/** @var int */
protected $currentY;
/** @var int */
protected $currentZ;
/** @var bool */
protected $allocateEmptySubs = true;
public function __construct(ChunkManager $level, bool $allocateEmptySubs = true){
$this->level = $level;
$this->allocateEmptySubs = $allocateEmptySubs;
}
public function moveTo(int $x, int $y, int $z) : bool{
if($this->currentChunk === null or $this->currentX !== ($x >> 4) or $this->currentZ !== ($z >> 4)){
$this->currentX = $x >> 4;
$this->currentZ = $z >> 4;
$this->currentSubChunk = null;
$this->currentChunk = $this->level->getChunk($this->currentX, $this->currentZ);
if($this->currentChunk === null){
return false;
}
}
if($this->currentSubChunk === null or $this->currentY !== ($y >> 4)){
$this->currentY = $y >> 4;
$this->currentSubChunk = $this->currentChunk->getSubChunk($y >> 4, $this->allocateEmptySubs);
if($this->currentSubChunk instanceof EmptySubChunk){
return false;
}
}
return true;
}
}