Removed pocketmine subdirectory, map PSR-4 style

src/block/SnowLayer.php

@@ -0,0 +1,109 @@
+<?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\BlockDataSerializer;
+use pocketmine\block\utils\Fallable;
+use pocketmine\block\utils\FallableTrait;
+use pocketmine\item\Item;
+use pocketmine\item\ToolTier;
+use pocketmine\item\VanillaItems;
+use pocketmine\math\AxisAlignedBB;
+use pocketmine\math\Facing;
+use pocketmine\math\Vector3;
+use pocketmine\player\Player;
+use pocketmine\world\BlockTransaction;
+use function floor;
+use function max;
+
+class SnowLayer extends Flowable implements Fallable{
+	use FallableTrait;
+
+	/** @var int */
+	protected $layers = 1;
+
+	public function __construct(BlockIdentifier $idInfo, string $name, ?BlockBreakInfo $breakInfo = null){
+		parent::__construct($idInfo, $name, $breakInfo ?? new BlockBreakInfo(0.1, BlockToolType::SHOVEL, ToolTier::WOOD()->getHarvestLevel()));
+	}
+
+	protected function writeStateToMeta() : int{
+		return $this->layers - 1;
+	}
+
+	public function readStateFromData(int $id, int $stateMeta) : void{
+		$this->layers = BlockDataSerializer::readBoundedInt("layers", $stateMeta + 1, 1, 8);
+	}
+
+	public function getStateBitmask() : int{
+		return 0b111;
+	}
+
+	public function canBeReplaced() : bool{
+		return $this->layers < 8;
+	}
+
+	protected function recalculateBoundingBox() : ?AxisAlignedBB{
+		//TODO: this zero-height BB is intended to stay in lockstep with a MCPE bug
+		return AxisAlignedBB::one()->trim(Facing::UP, $this->layers >= 4 ? 0.5 : 1);
+	}
+
+	public function place(BlockTransaction $tx, Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, ?Player $player = null) : bool{
+		if($blockReplace instanceof SnowLayer){
+			if($blockReplace->layers >= 8){
+				return false;
+			}
+			$this->layers = $blockReplace->layers + 1;
+		}
+		if($blockReplace->getSide(Facing::DOWN)->isSolid()){
+			//TODO: fix placement
+			return parent::place($tx, $item, $blockReplace, $blockClicked, $face, $clickVector, $player);
+		}
+
+		return false;
+	}
+
+	public function ticksRandomly() : bool{
+		return true;
+	}
+
+	public function onRandomTick() : void{
+		if($this->world->getBlockLightAt($this->x, $this->y, $this->z) >= 12){
+			$this->getWorld()->setBlock($this, VanillaBlocks::AIR(), false);
+		}
+	}
+
+	public function tickFalling() : ?Block{
+		return null;
+	}
+
+	public function getDropsForCompatibleTool(Item $item) : array{
+		return [
+			VanillaItems::SNOWBALL()->setCount(max(1, (int) floor($this->layers / 2)))
+		];
+	}
+
+	public function isAffectedBySilkTouch() : bool{
+		return false;
+	}
+}