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;
 
use pocketmine\block\tile\Bell as TileBell;
use pocketmine\block\utils\BellAttachmentType;
use pocketmine\block\utils\HorizontalFacingTrait;
use pocketmine\block\utils\SupportType;
use pocketmine\data\runtime\RuntimeDataDescriber;
use pocketmine\entity\projectile\Projectile;
use pocketmine\item\Item;
use pocketmine\math\AxisAlignedBB;
use pocketmine\math\Facing;
use pocketmine\math\RayTraceResult;
use pocketmine\math\Vector3;
use pocketmine\player\Player;
use pocketmine\world\BlockTransaction;
use pocketmine\world\sound\BellRingSound;
 
final class Bell extends Transparent{
    use HorizontalFacingTrait;
 
    private BellAttachmentType $attachmentType = BellAttachmentType::FLOOR;
 
    protected function describeBlockOnlyState(RuntimeDataDescriber $w) : void{
        $w->enum($this->attachmentType);
        $w->horizontalFacing($this->facing);
    }
 
    protected function recalculateCollisionBoxes() : array{
        if($this->attachmentType === BellAttachmentType::FLOOR){
            return [
                AxisAlignedBB::one()->squash(Facing::axis($this->facing), 1 / 4)->trim(Facing::UP, 3 / 16)
            ];
        }
        if($this->attachmentType === BellAttachmentType::CEILING){
            return [
                AxisAlignedBB::one()->contract(1 / 4, 0, 1 / 4)->trim(Facing::DOWN, 1 / 4)
            ];
        }
 
        $box = AxisAlignedBB::one()
            ->squash(Facing::axis(Facing::rotateY($this->facing, true)), 1 / 4)
            ->trim(Facing::UP, 1 / 16)
            ->trim(Facing::DOWN, 1 / 4);
 
        return [
            $this->attachmentType === BellAttachmentType::ONE_WALL ? $box->trim($this->facing, 3 / 16) : $box
        ];
    }
 
    public function getSupportType(int $facing) : SupportType{
        return SupportType::NONE;
    }
 
    public function getAttachmentType() : BellAttachmentType{ return $this->attachmentType; }
 
    public function setAttachmentType(BellAttachmentType $attachmentType) : self{
        $this->attachmentType = $attachmentType;
        return $this;
    }
 
    private function canBeSupportedAt(Block $block, int $face) : bool{
        return $block->getAdjacentSupportType($face) !== SupportType::NONE;
    }
 
    public function place(BlockTransaction $tx, Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, ?Player $player = null) : bool{
        if(!$this->canBeSupportedAt($blockReplace, Facing::opposite($face))){
            return false;
        }
        if($face === Facing::UP){
            if($player !== null){
                $this->setFacing(Facing::opposite($player->getHorizontalFacing()));
            }
            $this->setAttachmentType(BellAttachmentType::FLOOR);
        }elseif($face === Facing::DOWN){
            $this->setAttachmentType(BellAttachmentType::CEILING);
        }else{
            $this->setFacing($face);
            $this->setAttachmentType(
                $this->canBeSupportedAt($blockReplace, $face) ?
                    BellAttachmentType::TWO_WALLS :
                    BellAttachmentType::ONE_WALL
            );
        }
        return parent::place($tx, $item, $blockReplace, $blockClicked, $face, $clickVector, $player);
    }
 
    public function onNearbyBlockChange() : void{
        foreach(match($this->attachmentType){
            BellAttachmentType::CEILING => [Facing::UP],
            BellAttachmentType::FLOOR => [Facing::DOWN],
            BellAttachmentType::ONE_WALL => [Facing::opposite($this->facing)],
            BellAttachmentType::TWO_WALLS => [$this->facing, Facing::opposite($this->facing)]
        } as $supportBlockDirection){
            if(!$this->canBeSupportedAt($this, $supportBlockDirection)){
                $this->position->getWorld()->useBreakOn($this->position);
                break;
            }
        }
    }
 
    public function onInteract(Item $item, int $face, Vector3 $clickVector, ?Player $player = null, array &$returnedItems = []) : bool{
        if($player !== null){
            $faceHit = Facing::opposite($player->getHorizontalFacing());
            if($this->isValidFaceToRing($faceHit)){
                $this->ring($faceHit);
                return true;
            }
        }
 
        return false;
    }
 
    public function onProjectileHit(Projectile $projectile, RayTraceResult $hitResult) : void{
        $faceHit = Facing::opposite($projectile->getHorizontalFacing());
        if($this->isValidFaceToRing($faceHit)){
            $this->ring($faceHit);
        }
    }
 
    public function ring(int $faceHit) : void{
        $world = $this->position->getWorld();
        $world->addSound($this->position, new BellRingSound());
        $tile = $world->getTile($this->position);
        if($tile instanceof TileBell){
            $world->broadcastPacketToViewers($this->position, $tile->createFakeUpdatePacket($faceHit));
        }
    }
 
    public function getDropsForIncompatibleTool(Item $item) : array{
        return [$this->asItem()];
    }
 
    private function isValidFaceToRing(int $faceHit) : bool{
        return match($this->attachmentType){
            BellAttachmentType::CEILING => true,
            BellAttachmentType::FLOOR => Facing::axis($faceHit) === Facing::axis($this->facing),
            BellAttachmentType::ONE_WALL, BellAttachmentType::TWO_WALLS => $faceHit === Facing::rotateY($this->facing, false) || $faceHit === Facing::rotateY($this->facing, true),
        };
    }
}