CaveVines.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\AgeableTrait;
use pocketmine\block\utils\BlockEventHelper;
use pocketmine\block\utils\StaticSupportTrait;
use pocketmine\block\utils\SupportType;
use pocketmine\data\runtime\RuntimeDataDescriber;
use pocketmine\entity\Entity;
use pocketmine\item\Fertilizer;
use pocketmine\item\Item;
use pocketmine\item\VanillaItems;
use pocketmine\math\Facing;
use pocketmine\math\Vector3;
use pocketmine\player\Player;
use pocketmine\world\BlockTransaction;
use pocketmine\world\sound\GlowBerriesPickSound;
use function mt_rand;
 
class CaveVines extends Flowable{
    use AgeableTrait;
    use StaticSupportTrait;
 
    public const MAX_AGE = 25;
 
    protected bool $berries = false;
    protected bool $head = false;
 
    protected function describeBlockOnlyState(RuntimeDataDescriber $w) : void{
        $w->boundedIntAuto(0, self::MAX_AGE, $this->age);
        $w->bool($this->berries);
        $w->bool($this->head);
    }
 
    public function hasBerries() : bool{ return $this->berries; }
 
    public function setBerries(bool $berries) : self{
        $this->berries = $berries;
        return $this;
    }
 
    public function isHead() : bool{ return $this->head; }
 
    public function setHead(bool $head) : self{
        $this->head = $head;
        return $this;
    }
 
    public function canClimb() : bool{
        return true;
    }
 
    public function getLightLevel() : int{
        return $this->berries ? 14 : 0;
    }
 
    private function canBeSupportedAt(Block $block) : bool{
        $supportBlock = $block->getSide(Facing::UP);
        return $supportBlock->getSupportType(Facing::DOWN) === SupportType::FULL || $supportBlock->hasSameTypeId($this);
    }
 
    public function place(BlockTransaction $tx, Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, ?Player $player = null) : bool{
        $this->age = mt_rand(0, self::MAX_AGE);
        return parent::place($tx, $item, $blockReplace, $blockClicked, $face, $clickVector, $player);
    }
 
    public function onInteract(Item $item, int $face, Vector3 $clickVector, ?Player $player = null, array &$returnedItems = []) : bool{
        if($this->berries){
            $this->position->getWorld()->dropItem($this->position, $this->asItem());
            $this->position->getWorld()->addSound($this->position, new GlowBerriesPickSound());
 
            $this->position->getWorld()->setBlock($this->position, $this->setBerries(false));
            return true;
        }
        if($item instanceof Fertilizer){
            $newState = (clone $this)
                ->setBerries(true)
                ->setHead(!$this->getSide(Facing::DOWN)->hasSameTypeId($this));
            if(BlockEventHelper::grow($this, $newState, $player)){
                $item->pop();
            }
            return true;
        }
        return false;
    }
 
    public function onRandomTick() : void{
        $head = !$this->getSide(Facing::DOWN)->hasSameTypeId($this);
        if($head !== $this->head){
            $this->position->getWorld()->setBlock($this->position, $this->setHead($head));
        }
 
        if($this->age < self::MAX_AGE && mt_rand(1, 10) === 1){
            $growthPos = $this->position->getSide(Facing::DOWN);
            $world = $growthPos->getWorld();
            if($world->isInWorld($growthPos->getFloorX(), $growthPos->getFloorY(), $growthPos->getFloorZ())){
                $block = $world->getBlock($growthPos);
                if($block->getTypeId() === BlockTypeIds::AIR){
                    $newState = VanillaBlocks::CAVE_VINES()
                        ->setAge($this->age + 1)
                        ->setBerries(mt_rand(1, 9) === 1);
                    BlockEventHelper::grow($block, $newState, null);
                }
            }
        }
    }
 
    public function ticksRandomly() : bool{
        return true;
    }
 
    protected function recalculateCollisionBoxes() : array{
        return [];
    }
 
    public function hasEntityCollision() : bool{
        return true;
    }
 
    public function onEntityInside(Entity $entity) : bool{
        $entity->resetFallDistance();
        return false;
    }
 
    public function getDropsForCompatibleTool(Item $item) : array{
        return $this->berries ? [$this->asItem()] : [];
    }
 
    public function isAffectedBySilkTouch() : bool{
        return true;
    }
 
    public function asItem() : Item{
        return VanillaItems::GLOW_BERRIES();
    }
 
    public function getSupportType(int $facing) : SupportType{
        return SupportType::NONE;
    }
}