BaseBigDripleaf.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\event\block\StructureGrowEvent;
use pocketmine\item\Fertilizer;
use pocketmine\item\Item;
use pocketmine\math\Facing;
use pocketmine\math\Vector3;
use pocketmine\player\Player;
use pocketmine\world\BlockTransaction;
 
abstract class BaseBigDripleaf extends Transparent implements HorizontalFacing{
    use HorizontalFacingTrait;
 
    abstract protected function isHead() : bool;
 
    private function canBeSupportedBy(Block $block, bool $head) : bool{
        //TODO: Moss block
        return
            ($block instanceof BaseBigDripleaf && $block->isHead() === $head) ||
            $block->getTypeId() === BlockTypeIds::CLAY ||
            $block->hasTypeTag(BlockTypeTags::DIRT) ||
            $block->hasTypeTag(BlockTypeTags::MUD);
    }
 
    public function onNearbyBlockChange() : void{
        if(
            (!$this->isHead() && !$this->getSide(Facing::UP) instanceof BaseBigDripleaf) ||
            !$this->canBeSupportedBy($this->getSide(Facing::DOWN), false)
        ){
            $this->position->getWorld()->useBreakOn($this->position);
        }
    }
 
    public function place(BlockTransaction $tx, Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, ?Player $player = null) : bool{
        $block = $blockReplace->getSide(Facing::DOWN);
        if(!$this->canBeSupportedBy($block, true)){
            return false;
        }
        if($player !== null){
            $this->facing = Facing::opposite($player->getHorizontalFacing());
        }
        if($block instanceof BaseBigDripleaf){
            $this->facing = $block->facing;
            $tx->addBlock($block->position, VanillaBlocks::BIG_DRIPLEAF_STEM()->setFacing($this->facing));
        }
        return parent::place($tx, $item, $blockReplace, $blockClicked, $face, $clickVector, $player);
    }
 
    public function onInteract(Item $item, int $face, Vector3 $clickVector, ?Player $player = null, array &$returnedItems = []) : bool{
        if($item instanceof Fertilizer && $this->grow($player)){
            $item->pop();
            return true;
        }
        return false;
    }
 
    private function seekToHead() : ?BaseBigDripleaf{
        if($this->isHead()){
            return $this;
        }
        $step = 1;
        while(($next = $this->getSide(Facing::UP, $step)) instanceof BaseBigDripleaf){
            if($next->isHead()){
                return $next;
            }
            $step++;
        }
        return null;
    }
 
    private function grow(?Player $player) : bool{
        $head = $this->seekToHead();
        if($head === null){
            return false;
        }
        $pos = $head->position;
        $up = $pos->up();
        $world = $pos->getWorld();
        if(
            !$world->isInWorld($up->getFloorX(), $up->getFloorY(), $up->getFloorZ()) ||
            $world->getBlock($up)->getTypeId() !== BlockTypeIds::AIR
        ){
            return false;
        }
 
        $tx = new BlockTransaction($world);
 
        $tx->addBlock($pos, VanillaBlocks::BIG_DRIPLEAF_STEM()->setFacing($head->facing));
        $tx->addBlock($up, VanillaBlocks::BIG_DRIPLEAF_HEAD()->setFacing($head->facing));
 
        $ev = new StructureGrowEvent($head, $tx, $player);
        $ev->call();
 
        if(!$ev->isCancelled()){
            return $tx->apply();
        }
        return false;
    }
 
    public function getFlameEncouragement() : int{
        return 15;
    }
 
    public function getFlammability() : int{
        return 100;
    }
 
    public function getSupportType(int $facing) : SupportType{
        return SupportType::NONE;
    }
}