Implemented Barrels, closes #3672

src/block/Barrel.php

@@ -0,0 +1,105 @@
+<?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\Barrel as TileBarrel;
+use pocketmine\block\utils\AnyFacingTrait;
+use pocketmine\block\utils\BlockDataSerializer;
+use pocketmine\item\Item;
+use pocketmine\math\Facing;
+use pocketmine\math\Vector3;
+use pocketmine\player\Player;
+use pocketmine\world\BlockTransaction;
+
+class Barrel extends Opaque{
+	use AnyFacingTrait;
+
+	/** @var bool */
+	protected $open = false;
+
+	public function __construct(BlockIdentifier $idInfo, string $name, ?BlockBreakInfo $breakInfo = null){
+		parent::__construct($idInfo, $name, $breakInfo ?? new BlockBreakInfo(2.5, BlockToolType::AXE));
+	}
+
+	protected function writeStateToMeta() : int{
+		return BlockDataSerializer::writeFacing($this->facing) | ($this->open ? BlockLegacyMetadata::BARREL_FLAG_OPEN : 0);
+	}
+
+	public function readStateFromData(int $id, int $stateMeta) : void{
+		$this->facing = BlockDataSerializer::readFacing($stateMeta & 0x07);
+		$this->open = ($stateMeta & BlockLegacyMetadata::BARREL_FLAG_OPEN) === BlockLegacyMetadata::BARREL_FLAG_OPEN;
+	}
+
+	public function getStateBitmask() : int{
+		return 0b1111;
+	}
+
+	public function isOpen() : bool{
+		return $this->open;
+	}
+
+	public function setOpen(bool $open) : Barrel{
+		$this->open = $open;
+		return $this;
+	}
+
+	public function place(BlockTransaction $tx, Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, ?Player $player = null) : bool{
+		if($player !== null){
+			if(abs($player->getPosition()->getX() - $this->pos->getX()) < 2 && abs($player->getPosition()->getZ() - $this->pos->getZ()) < 2){
+				$y = $player->getEyePos()->getY();
+
+				if($y - $this->pos->getY() > 2){
+					$this->facing = Facing::UP;
+				}elseif($this->pos->getY() - $y > 0){
+					$this->facing = Facing::DOWN;
+				}else{
+					$this->facing = Facing::opposite($player->getHorizontalFacing());
+				}
+			}else{
+				$this->facing = Facing::opposite($player->getHorizontalFacing());
+			}
+		}
+
+		return parent::place($tx, $item, $blockReplace, $blockClicked, $face, $clickVector, $player);
+	}
+
+	public function onInteract(Item $item, int $face, Vector3 $clickVector, ?Player $player = null) : bool{
+		if($player instanceof Player){
+			$barrel = $this->pos->getWorld()->getTile($this->pos);
+			if($barrel instanceof TileBarrel){
+				if(!$barrel->canOpenWith($item->getCustomName())){
+					return true;
+				}
+
+				$player->setCurrentWindow($barrel->getInventory());
+			}
+		}
+
+		return true;
+	}
+
+	public function getFuelTime() : int{
+		return 300;
+	}
+}