PocketMine-MP/src/pocketmine/block/DoublePlant.php
2019-03-23 19:44:33 +00:00

96 lines
2.6 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/
*
*
*/
declare(strict_types=1);
namespace pocketmine\block;
use pocketmine\item\Item;
use pocketmine\level\BlockTransaction;
use pocketmine\math\Facing;
use pocketmine\math\Vector3;
use pocketmine\Player;
class DoublePlant extends Flowable{
private const BITFLAG_TOP = 0x08;
/** @var bool */
protected $top = false;
protected function writeStateToMeta() : int{
return ($this->top ? self::BITFLAG_TOP : 0);
}
public function readStateFromData(int $id, int $stateMeta) : void{
$this->top = ($stateMeta & self::BITFLAG_TOP) !== 0;
}
public function getStateBitmask() : int{
return 0b1000;
}
public function place(Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, ?Player $player = null) : bool{
$id = $blockReplace->getSide(Facing::DOWN)->getId();
if(($id === BlockIds::GRASS or $id === BlockIds::DIRT) and $blockReplace->getSide(Facing::UP)->canBeReplaced()){
$top = clone $this;
$top->top = true;
$transaction = new BlockTransaction($this->level);
$transaction->addBlock($blockReplace, $this)->addBlock($blockReplace->getSide(Facing::UP), $top);
return $transaction->apply();
}
return false;
}
/**
* Returns whether this double-plant has a corresponding other half.
* @return bool
*/
public function isValidHalfPlant() : bool{
$other = $this->getSide($this->top ? Facing::DOWN : Facing::UP);
return (
$other instanceof DoublePlant and
$other->isSameType($this) and
$other->top !== $this->top
);
}
public function onNearbyBlockChange() : void{
if(!$this->isValidHalfPlant() or (!$this->top and $this->getSide(Facing::DOWN)->isTransparent())){
$this->getLevel()->useBreakOn($this);
}
}
public function getDrops(Item $item) : array{
return $this->top ? parent::getDrops($item) : [];
}
public function getAffectedBlocks() : array{
if($this->isValidHalfPlant()){
return [$this, $this->getSide($this->top ? Facing::DOWN : Facing::UP)];
}
return parent::getAffectedBlocks();
}
}