Door.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\HorizontalFacing;
use pocketmine\block\utils\HorizontalFacingTrait;
use pocketmine\block\utils\SupportType;
use pocketmine\data\runtime\RuntimeDataDescriber;
use pocketmine\item\Item;
use pocketmine\math\AxisAlignedBB;
use pocketmine\math\Facing;
use pocketmine\math\Vector3;
use pocketmine\player\Player;
use pocketmine\world\BlockTransaction;
use pocketmine\world\sound\DoorSound;
 
class Door extends Transparent implements HorizontalFacing{
    use HorizontalFacingTrait;
 
    protected bool $top = false;
    protected bool $hingeRight = false;
    protected bool $open = false;
 
    protected function describeBlockOnlyState(RuntimeDataDescriber $w) : void{
        $w->horizontalFacing($this->facing);
        $w->bool($this->top);
        $w->bool($this->hingeRight);
        $w->bool($this->open);
    }
 
    public function readStateFromWorld() : Block{
        parent::readStateFromWorld();
 
        $this->collisionBoxes = null;
 
        //copy door properties from other half
        $other = $this->getSide($this->top ? Facing::DOWN : Facing::UP);
        if($other instanceof Door && $other->hasSameTypeId($this)){
            if($this->top){
                $this->facing = $other->facing;
                $this->open = $other->open;
            }else{
                $this->hingeRight = $other->hingeRight;
            }
        }
 
        return $this;
    }
 
    public function isTop() : bool{ return $this->top; }
 
    public function setTop(bool $top) : self{
        $this->top = $top;
        return $this;
    }
 
    public function isHingeRight() : bool{ return $this->hingeRight; }
 
    public function setHingeRight(bool $hingeRight) : self{
        $this->hingeRight = $hingeRight;
        return $this;
    }
 
    public function isOpen() : bool{ return $this->open; }
 
    public function setOpen(bool $open) : self{
        $this->open = $open;
        return $this;
    }
 
    public function isSolid() : bool{
        return false;
    }
 
    protected function recalculateCollisionBoxes() : array{
        //TODO: doors are 0.1825 blocks thick, instead of 0.1875 like JE (https://bugs.mojang.com/browse/MCPE-19214)
        return [AxisAlignedBB::one()->trim($this->open ? Facing::rotateY($this->facing, !$this->hingeRight) : $this->facing, 327 / 400)];
    }
 
    public function getSupportType(int $facing) : SupportType{
        return SupportType::NONE;
    }
 
    public function onNearbyBlockChange() : void{
        if(!$this->canBeSupportedAt($this) && !$this->getSide(Facing::DOWN) instanceof Door){ //Replace with common break method
            $this->position->getWorld()->useBreakOn($this->position); //this will delete both halves if they exist
        }
    }
 
    public function place(BlockTransaction $tx, Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, ?Player $player = null) : bool{
        if($face === Facing::UP){
            $blockUp = $this->getSide(Facing::UP);
            if(!$blockUp->canBeReplaced() || !$this->canBeSupportedAt($blockReplace)){
                return false;
            }
 
            if($player !== null){
                $this->facing = $player->getHorizontalFacing();
            }
 
            $next = $this->getSide(Facing::rotateY($this->facing, false));
            $next2 = $this->getSide(Facing::rotateY($this->facing, true));
 
            if($next->hasSameTypeId($this) || (!$next2->isTransparent() && $next->isTransparent())){ //Door hinge
                $this->hingeRight = true;
            }
 
            $topHalf = clone $this;
            $topHalf->top = true;
 
            $tx->addBlock($blockReplace->position, $this)->addBlock($blockUp->position, $topHalf);
            return true;
        }
 
        return false;
    }
 
    public function onInteract(Item $item, int $face, Vector3 $clickVector, ?Player $player = null, array &$returnedItems = []) : bool{
        $this->open = !$this->open;
 
        $other = $this->getSide($this->top ? Facing::DOWN : Facing::UP);
        $world = $this->position->getWorld();
        if($other instanceof Door && $other->hasSameTypeId($this)){
            $other->open = $this->open;
            $world->setBlock($other->position, $other);
        }
 
        $world->setBlock($this->position, $this);
        $world->addSound($this->position, new DoorSound());
 
        return true;
    }
 
    public function getDrops(Item $item) : array{
        if(!$this->top){
            return parent::getDrops($item);
        }
 
        return [];
    }
 
    public function getAffectedBlocks() : array{
        $other = $this->getSide($this->top ? Facing::DOWN : Facing::UP);
        if($other->hasSameTypeId($this)){
            return [$this, $other];
        }
        return parent::getAffectedBlocks();
    }
 
    private function canBeSupportedAt(Block $block) : bool{
        return $block->getAdjacentSupportType(Facing::DOWN)->hasEdgeSupport();
    }
}