FillableCauldron.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\block\utils\SupportType;
use pocketmine\data\runtime\RuntimeDataDescriber;
use pocketmine\item\Item;
use pocketmine\math\AxisAlignedBB;
use pocketmine\math\Facing;
use pocketmine\world\sound\Sound;
use function min;
 
abstract class FillableCauldron extends Transparent{
    public const MIN_FILL_LEVEL = 1;
    public const MAX_FILL_LEVEL = 6;
 
    private int $fillLevel = self::MIN_FILL_LEVEL;
 
    protected function describeBlockOnlyState(RuntimeDataDescriber $w) : void{
        $w->boundedIntAuto(self::MIN_FILL_LEVEL, self::MAX_FILL_LEVEL, $this->fillLevel);
    }
 
    public function getFillLevel() : int{ return $this->fillLevel; }
 
    public function setFillLevel(int $fillLevel) : self{
        if($fillLevel < self::MIN_FILL_LEVEL || $fillLevel > self::MAX_FILL_LEVEL){
            throw new \InvalidArgumentException("Fill level must be in range " . self::MIN_FILL_LEVEL . " ... " . self::MAX_FILL_LEVEL);
        }
        $this->fillLevel = $fillLevel;
        return $this;
    }
 
    protected function recalculateCollisionBoxes() : array{
        $result = [
            AxisAlignedBB::one()->trim(Facing::UP, 11 / 16) //bottom of the cauldron
        ];
 
        foreach(Facing::HORIZONTAL as $f){ //add the frame parts around the bowl
            $result[] = AxisAlignedBB::one()->trim($f, 14 / 16);
        }
        return $result;
    }
 
    public function getSupportType(int $facing) : SupportType{
        return $facing === Facing::UP ? SupportType::EDGE : SupportType::NONE;
    }
 
    protected function withFillLevel(int $fillLevel) : Block{
        return $fillLevel === 0 ? VanillaBlocks::CAULDRON() : $this->setFillLevel(min(self::MAX_FILL_LEVEL, $fillLevel));
    }
 
    protected function addFillLevels(int $amount, Item $usedItem, Item $returnedItem, array &$returnedItems) : void{
        if($this->fillLevel >= self::MAX_FILL_LEVEL){
            return;
        }
        $this->position->getWorld()->setBlock($this->position, $this->withFillLevel($this->fillLevel + $amount));
        $this->position->getWorld()->addSound($this->position->add(0.5, 0.5, 0.5), $this->getFillSound());
 
        $usedItem->pop();
        $returnedItems[] = $returnedItem;
    }
 
    protected function removeFillLevels(int $amount, Item $usedItem, Item $returnedItem, array &$returnedItems) : void{
        if($this->fillLevel < $amount){
            return;
        }
 
        $this->position->getWorld()->setBlock($this->position, $this->withFillLevel($this->fillLevel - $amount));
        $this->position->getWorld()->addSound($this->position->add(0.5, 0.5, 0.5), $this->getEmptySound());
 
        $usedItem->pop();
        $returnedItems[] = $returnedItem;
    }
 
    abstract public function getFillSound() : Sound;
 
    abstract public function getEmptySound() : Sound;
 
    protected function mix(Item $usedItem, Item $returnedItem, array &$returnedItems) : void{
        $this->position->getWorld()->setBlock($this->position, VanillaBlocks::CAULDRON());
        //TODO: sounds and particles
 
        $usedItem->pop();
        $returnedItems[] = $returnedItem;
    }
 
    public function asItem() : Item{
        return VanillaBlocks::CAULDRON()->asItem();
    }
}