RespawnAnchor.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\data\runtime\RuntimeDataDescriber;
use pocketmine\event\block\BlockPreExplodeEvent;
use pocketmine\event\player\PlayerRespawnAnchorUseEvent;
use pocketmine\item\Item;
use pocketmine\item\ItemTypeIds;
use pocketmine\lang\KnownTranslationFactory;
use pocketmine\math\Vector3;
use pocketmine\player\Player;
use pocketmine\utils\TextFormat;
use pocketmine\world\Explosion;
use pocketmine\world\Position;
use pocketmine\world\sound\RespawnAnchorChargeSound;
use pocketmine\world\sound\RespawnAnchorSetSpawnSound;
 
final class RespawnAnchor extends Opaque{
    private const MIN_CHARGES = 0;
    private const MAX_CHARGES = 4;
 
    private int $charges = self::MIN_CHARGES;
 
    protected function describeBlockOnlyState(RuntimeDataDescriber $w) : void{
        $w->boundedIntAuto(self::MIN_CHARGES, self::MAX_CHARGES, $this->charges);
    }
 
    public function getCharges() : int{
        return $this->charges;
    }
 
    public function setCharges(int $charges) : self{
        if($charges < self::MIN_CHARGES || $charges > self::MAX_CHARGES){
            throw new \InvalidArgumentException("Charges must be between " . self::MIN_CHARGES . " and " . self::MAX_CHARGES . ", given: $charges");
        }
        $this->charges = $charges;
        return $this;
    }
 
    public function getLightLevel() : int{
        return $this->charges > 0 ? ($this->charges * 4) - 1 : 0;
    }
 
    public function onInteract(Item $item, int $face, Vector3 $clickVector, ?Player $player = null, array &$returnedItems = []) : bool{
        if($item->getTypeId() === ItemTypeIds::fromBlockTypeId(BlockTypeIds::GLOWSTONE) && $this->charges < self::MAX_CHARGES){
            $this->position->getWorld()->setBlock($this->position, $this->setCharges($this->charges + 1));
            $this->position->getWorld()->addSound($this->position, new RespawnAnchorChargeSound());
            return true;
        }
 
        if($this->charges > self::MIN_CHARGES){
            if($player === null){
                return false;
            }
 
            $ev = new PlayerRespawnAnchorUseEvent($player, $this, PlayerRespawnAnchorUseEvent::ACTION_EXPLODE);
            $ev->call();
            if($ev->isCancelled()){
                return false;
            }
 
            switch($ev->getAction()){
                case PlayerRespawnAnchorUseEvent::ACTION_EXPLODE:
                    $this->explode($player);
                    return true;
 
                case PlayerRespawnAnchorUseEvent::ACTION_SET_SPAWN:
                    if($player->getSpawn() !== null && $player->getSpawn()->equals($this->position)){
                        return true;
                    }
 
                    $player->setSpawn($this->position);
                    $this->position->getWorld()->addSound($this->position, new RespawnAnchorSetSpawnSound());
                    $player->sendMessage(KnownTranslationFactory::tile_respawn_anchor_respawnSet()->prefix(TextFormat::GRAY));
                    return true;
            }
        }
        return false;
    }
 
    private function explode(?Player $player) : void{
        $ev = new BlockPreExplodeEvent($this, 5, $player);
        $ev->setIncendiary(true);
 
        $ev->call();
        if($ev->isCancelled()){
            return;
        }
 
        $this->position->getWorld()->setBlock($this->position, VanillaBlocks::AIR());
 
        $explosion = new Explosion(Position::fromObject($this->position->add(0.5, 0.5, 0.5), $this->position->getWorld()), $ev->getRadius(), $this);
        $explosion->setFireChance($ev->getFireChance());
 
        if($ev->isBlockBreaking()){
            $explosion->explodeA();
        }
        $explosion->explodeB();
    }
}