Added spore blossoms

I got tired of the flood of warning messages every time someone joined the dev server...

src/block/tile/SporeBlossom.php

@@ -0,0 +1,46 @@
+<?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\tile;
+
+use pocketmine\nbt\NbtDataException;
+use pocketmine\nbt\tag\CompoundTag;
+
+/**
+ * This exists to force the client to update the spore blossom every tick, which is necessary for it to generate
+ * particles.
+ */
+final class SporeBlossom extends Spawnable{
+
+	protected function addAdditionalSpawnData(CompoundTag $nbt) : void{
+		//NOOP
+	}
+
+	public function readSaveData(CompoundTag $nbt) : void{
+		//NOOP
+	}
+
+	protected function writeSaveData(CompoundTag $nbt) : void{
+		//NOOP
+	}
+}

src/block/tile/TileFactory.php

@@ -73,6 +73,7 @@ final class TileFactory{
 		$this->register(ShulkerBox::class, ["ShulkerBox", "minecraft:shulker_box"]);
 		$this->register(Sign::class, ["Sign", "minecraft:sign"]);
 		$this->register(Smoker::class, ["Smoker", "minecraft:smoker"]);
+		$this->register(SporeBlossom::class, ["SporeBlossom", "minecraft:spore_blossom"]);
 		$this->register(Skull::class, ["Skull", "minecraft:skull"]);
 
 		//TODO: Campfire