?package org.papervision3d.objects.parsers {		import flash.display.Bitmap;	import flash.display.Loader;	import flash.events.Event;	import flash.net.URLRequest;	import flash.net.URLStream;	import flash.utils.ByteArray;		import nochump.util.zip.ZipEntry;	import nochump.util.zip.ZipFile;		import org.papervision3d.materials.BitmapMaterial;	import org.papervision3d.materials.utils.MaterialsList;	import org.papervision3d.objects.DisplayObject3D;		public class Sketchup extends DisplayObject3D {		public  var model:SketchupCollada		private var allMaterials:MaterialsList = new MaterialsList();				private var count:Number = 1;		private var COLLADA:XML;		private var totalMaterials:Number;		private var _scale:Number = 1; 				public function Sketchup( kmz:String) {			super();			var urlStream:URLStream = new URLStream();				urlStream.addEventListener(Event.COMPLETE, completeHandler);				urlStream.load(new URLRequest( kmz ));		};				private function completeHandler(event:Event):void {			var datastream:URLStream = URLStream(event.target);						var kmzFile:ZipFile = new ZipFile(datastream);			totalMaterials = kmzFile.entries.join("@").split(".jpg").length;			for(var i:int = 0; i < kmzFile.entries.length; i++) {				var entry:ZipEntry = kmzFile.entries[i];				var data:ByteArray = kmzFile.getInput(entry);				if(entry.name.indexOf(".dae")>-1 && entry.name.indexOf("models/")>-1) {					COLLADA = new XML(data.toString());				} else if((entry.name.indexOf(".jpg")>-1 || entry.name.indexOf(".png")>-1) && entry.name.indexOf("images/")>-1) {					var _loader : Loader = new Loader();					_loader.name = entry.name.split("/").reverse()[0].split(".")[0];					_loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadBitmapCompleteHandler);					_loader.loadBytes(data);				};	  			};								};				private function loadBitmapCompleteHandler(e:Event):void {			var loader:Loader = Loader(e.target.loader);			var bitmap:Bitmap = Bitmap(loader.content);			var bitmapMaterial:BitmapMaterial = new BitmapMaterial(bitmap.bitmapData);			bitmapMaterial.tiled = true;			bitmapMaterial.name = e.target.loader.name;			bitmapMaterial.oneSide = false;			allMaterials.addMaterial( bitmapMaterial, e.target.loader.name );			count++;			trace("Loaded "+count+" of "+totalMaterials+" materials")			if(count == totalMaterials) build();		};				private function build():void {			model = new SketchupCollada(COLLADA, allMaterials, _scale);			this.addChild(model);		};			}}