Yay generation uses async tasks

src/pocketmine/scheduler/AsyncPool.php

@@ -14,7 +14,7 @@
  * (at your option) any later version.
  *
  * @author PocketMine Team
-
+ * @link http://www.pocketmine.net/
  *
  *
 */
@@ -51,6 +51,10 @@ class AsyncPool{
 		}
 	}
 
+	public function getSize(){
+		return $this->size;
+	}
+
 	public function submitTask(AsyncTask $task){
 		if(isset($this->tasks[$task->getTaskId()]) or $task->isGarbage()){
 			return;

src/pocketmine/scheduler/AsyncTask.php

@@ -30,6 +30,9 @@ use pocketmine\Server;
  */
 abstract class AsyncTask extends \Collectable{
 
+	/** @var AsyncWorker $worker */
+	public $worker = null;
+
 	private $result = null;
 	private $serialized = false;
 	/** @var int */
@@ -83,6 +86,32 @@ abstract class AsyncTask extends \Collectable{
 		return $this->taskId;
 	}
 
+	/**
+	 * Gets something into the local thread store.
+	 * You have to initialize this in some way from the task on run
+	 *
+	 * @param string $identifier
+	 * @return mixed
+	 */
+	public function getFromThreadStore($identifier){
+		global $store;
+		return $this->isGarbage() ? null : $store[$identifier];
+	}
+
+	/**
+	 * Saves something into the local thread store.
+	 * This might get deleted at any moment.
+	 *
+	 * @param string $identifier
+	 * @param mixed  $value
+	 */
+	public function saveToThreadStore($identifier, $value){
+		global $store;
+		if(!$this->isGarbage()){
+			$store[$identifier] = $value;
+		}
+	}
+
 	/**
 	 * Actions to execute when run
 	 *

src/pocketmine/scheduler/AsyncWorker.php

@@ -38,6 +38,9 @@ class AsyncWorker extends Worker{
 			require(\pocketmine\PATH . "src/pocketmine/CompatibleClassLoader.php");
 		}
 		$this->loader->register(true);
+
+		global $store;
+		$store = [];
 	}
 
 	public function start($options = PTHREADS_INHERIT_NONE){

src/pocketmine/scheduler/GarbageCollectionTask.php

@@ -1,32 +0,0 @@
-<?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
-
- *
- *
-*/
-
-namespace pocketmine\scheduler;
-
-class GarbageCollectionTask extends Task{
-
-	public function onRun($currentTicks){
-		gc_collect_cycles();
-		memory_get_usage();
-		memory_get_usage(true);
-	}
-
-}