ng release and blank controls

source/io/newgrounds/swf/common/BaseAsset.hx

@@ -0,0 +1,35 @@
+package io.newgrounds.swf.common;
+
+import openfl.events.Event;
+import openfl.display.MovieClip;
+
+class BaseAsset extends MovieClip {
+	
+	var _coreReady:Bool = false;
+	
+	public function new() {
+		super();
+		
+		setDefaults();
+		
+		if (stage != null)
+			onAdded(null);
+		else
+			addEventListener(Event.ADDED_TO_STAGE, onAdded);
+	}
+	
+	function setDefaults():Void { }
+	
+	function onAdded(e:Event):Void {
+		
+		if (NG.core != null)
+			onReady();
+		else
+			NG.onCoreReady.add(onReady);
+	}
+	
+	function onReady():Void {
+		
+		_coreReady = true;
+	}
+}