TNT.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\entity\Location;
use pocketmine\entity\object\PrimedTNT;
use pocketmine\entity\projectile\Projectile;
use pocketmine\item\Durable;
use pocketmine\item\enchantment\VanillaEnchantments;
use pocketmine\item\FlintSteel;
use pocketmine\item\Item;
use pocketmine\item\ItemTypeIds;
use pocketmine\math\RayTraceResult;
use pocketmine\math\Vector3;
use pocketmine\player\Player;
use pocketmine\utils\Random;
use pocketmine\world\sound\IgniteSound;
use function cos;
use function sin;
use const M_PI;
 
class TNT extends Opaque{
    protected bool $unstable = false; //TODO: Usage unclear, seems to be a weird hack in vanilla
    protected bool $worksUnderwater = false;
 
    public function describeBlockItemState(RuntimeDataDescriber $w) : void{
        $w->bool($this->worksUnderwater);
    }
 
    protected function describeBlockOnlyState(RuntimeDataDescriber $w) : void{
        $w->bool($this->unstable);
    }
 
    public function isUnstable() : bool{ return $this->unstable; }
 
    public function setUnstable(bool $unstable) : self{
        $this->unstable = $unstable;
        return $this;
    }
 
    public function worksUnderwater() : bool{ return $this->worksUnderwater; }
 
    public function setWorksUnderwater(bool $worksUnderwater) : self{
        $this->worksUnderwater = $worksUnderwater;
        return $this;
    }
 
    public function onBreak(Item $item, ?Player $player = null, array &$returnedItems = []) : bool{
        if($this->unstable){
            $this->ignite();
            return true;
        }
        return parent::onBreak($item, $player, $returnedItems);
    }
 
    public function onInteract(Item $item, int $face, Vector3 $clickVector, ?Player $player = null, array &$returnedItems = []) : bool{
        if($item->getTypeId() === ItemTypeIds::FIRE_CHARGE){
            $item->pop();
            $this->ignite();
            return true;
        }
        if($item instanceof FlintSteel || $item->hasEnchantment(VanillaEnchantments::FIRE_ASPECT())){
            if($item instanceof Durable){
                $item->applyDamage(1);
            }
            $this->ignite();
            return true;
        }
 
        return false;
    }
 
    public function ignite(int $fuse = 80) : void{
        $world = $this->position->getWorld();
        $world->setBlock($this->position, VanillaBlocks::AIR());
 
        $mot = (new Random())->nextSignedFloat() * M_PI * 2;
 
        $tnt = new PrimedTNT(Location::fromObject($this->position->add(0.5, 0, 0.5), $world));
        $tnt->setFuse($fuse);
        $tnt->setWorksUnderwater($this->worksUnderwater);
        $tnt->setMotion(new Vector3(-sin($mot) * 0.02, 0.2, -cos($mot) * 0.02));
 
        $tnt->spawnToAll();
        $tnt->broadcastSound(new IgniteSound());
    }
 
    public function getFlameEncouragement() : int{
        return 15;
    }
 
    public function getFlammability() : int{
        return 100;
    }
 
    public function onIncinerate() : void{
        $this->ignite();
    }
 
    public function onProjectileHit(Projectile $projectile, RayTraceResult $hitResult) : void{
        if($projectile->isOnFire()){
            $this->ignite();
        }
    }
}