<?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\block\utils\SupportType;
use pocketmine\math\AxisAlignedBB;
use pocketmine\math\Vector3;

/**
 * "Flowable" blocks are destroyed if water flows into the same space as the block. These blocks usually don't have any
 * collision boxes, and can't provide support for other blocks.
 */
abstract class Flowable extends Transparent{

	public function canBeFlowedInto() : bool{
		return true;
	}

	public function isSolid() : bool{
		return false;
	}

	public function canBePlacedAt(Block $blockReplace, Vector3 $clickVector, int $face, bool $isClickedBlock) : bool{
		return (!$this->canBeFlowedInto() || !$blockReplace instanceof Liquid) &&
			parent::canBePlacedAt($blockReplace, $clickVector, $face, $isClickedBlock);
	}

	/**
	 * @return AxisAlignedBB[]
	 */
	protected function recalculateCollisionBoxes() : array{
		return [];
	}

	public function getSupportType(int $facing) : SupportType{
		return SupportType::NONE;
	}
}