Added Event allocation pool, updated SPL with Class::onClassLoaded()

src/pocketmine/event/Event.php

@@ -24,16 +24,27 @@
  */
 namespace pocketmine\event;
 
+use pocketmine\plugin\PluginManager;
+
 abstract class Event{
 
 	/**
 	 * Any callable event must declare the static variable
 	 *
 	 * public static $handlerList = null;
+	 * public static $eventPool = [];
+	 * public static $nextEvent = 0;
 	 *
 	 * Not doing so will deny the proper event initialization
 	 */
 
+	/** @var Event[] */
+	public static $eventPool = [];
+	public static $nextEvent = 0;
+
+	/** @var Event[] */
+	private static $knownEvents = [];
+
 	protected $eventName = null;
 	private $isCancelled = false;
 
@@ -41,7 +52,7 @@ abstract class Event{
 	 * @return string
 	 */
 	final public function getEventName(){
-		return $this->eventName !== null ? get_class($this) : $this->eventName;
+		return $this->eventName !== null ? static::class : $this->eventName;
 	}
 
 	/**
@@ -85,4 +96,40 @@ abstract class Event{
 		return static::$handlerList;
 	}
 
+	public static function clearEventPool(){
+		static::$nextEvent = 0;
+	}
+
+	public static function clearAllPools(){
+		foreach(self::$knownEvents as $event){
+			$event::clearEventPool();
+		}
+	}
+
+	/**
+	 * @param $params
+	 *
+	 * @return static
+	 */
+	public static function createEvent(...$params){
+		if(static::$nextEvent >= count(static::$eventPool)){
+			static::$eventPool[] = new static(...$params);
+			return static::$eventPool[static::$nextEvent++];
+		}
+		$ev = static::$eventPool[static::$nextEvent++];
+		$ev->__construct(...$params);
+		if($ev instanceof Cancellable){
+			$ev->setCancelled(false);
+		}
+		return $ev;
+	}
+
+	public static function onClassLoaded(){
+		self::$knownEvents[static::class] = static::class;
+	}
+
+	public static function getKnownEvents(){
+		return self::$knownEvents;
+	}
+
 }