tile/Bell.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\tile;
 
use pocketmine\data\SavedDataLoadingException;
use pocketmine\math\Facing;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\network\mcpe\protocol\BlockActorDataPacket;
use pocketmine\network\mcpe\protocol\types\BlockPosition;
use pocketmine\network\mcpe\protocol\types\CacheableNbt;
use pocketmine\utils\AssumptionFailedError;
 
final class Bell extends Spawnable{
    public const TAG_DIRECTION = "Direction"; //TAG_Int
    public const TAG_RINGING = "Ringing"; //TAG_Byte
    public const TAG_TICKS = "Ticks"; //TAG_Int
 
    private bool $ringing = false;
    private Facing $facing = Facing::NORTH;
    private int $ticks = 0;
 
    public function isRinging() : bool{ return $this->ringing; }
 
    public function setRinging(bool $ringing) : void{ $this->ringing = $ringing; }
 
    public function getFacing() : Facing{ return $this->facing; }
 
    public function setFacing(Facing $facing) : void{ $this->facing = $facing; }
 
    public function getTicks() : int{ return $this->ticks; }
 
    public function setTicks(int $ticks) : void{ $this->ticks = $ticks; }
 
    protected function addAdditionalSpawnData(CompoundTag $nbt) : void{
        $nbt->setByte(self::TAG_RINGING, $this->ringing ? 1 : 0);
        //TODO: suspicious use of internal Facing value for network
        $nbt->setInt(self::TAG_DIRECTION, $this->facing->value);
        $nbt->setInt(self::TAG_TICKS, $this->ticks);
    }
 
    public function readSaveData(CompoundTag $nbt) : void{
        $this->ringing = $nbt->getByte(self::TAG_RINGING, 0) !== 0;
        //TODO: suspicious use of internal Facing value for storage
        $this->facing = Facing::tryFrom($nbt->getInt(self::TAG_DIRECTION, Facing::NORTH->value)) ?? throw new SavedDataLoadingException("Invalid facing value");
        $this->ticks = $nbt->getInt(self::TAG_TICKS, 0);
    }
 
    protected function writeSaveData(CompoundTag $nbt) : void{
        $nbt->setByte(self::TAG_RINGING, $this->ringing ? 1 : 0);
        //TODO: suspicious use of internal Facing value for storage
        $nbt->setInt(self::TAG_DIRECTION, $this->facing->value);
        $nbt->setInt(self::TAG_TICKS, $this->ticks);
    }
 
    public function createFakeUpdatePacket(Facing $bellHitFace) : BlockActorDataPacket{
        $nbt = $this->getSpawnCompound();
        $nbt->setByte(self::TAG_RINGING, 1);
        $nbt->setInt(self::TAG_DIRECTION, match($bellHitFace){
            Facing::SOUTH => 0,
            Facing::WEST => 1,
            Facing::NORTH => 2,
            Facing::EAST => 3,
            default => throw new AssumptionFailedError("Unreachable")
        });
        $nbt->setInt(self::TAG_TICKS, 0);
        return BlockActorDataPacket::create(BlockPosition::fromVector3($this->position), new CacheableNbt($nbt));
    }
}