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9.3

Actionscript functions

Asked by thomasmutton in ActionScript, Adobe Flash

Tags: actionscript, functions

Hello there,

I have some code that on its own plays videos. I would now like to put all of this code within one function to call it whenever I want.

I have tried to put it inside its own function but it wont work :(

Can anyone advise on what to do here? Is it that functions cant contain functions?

Thanks 
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videos();
 
function videos():Void
{
	// All Matts Stuff below here...
	
	//initialise vars
	var nDownload:Number;
	var nPlayback:Number;
	var totalLength:Number;
	var currentVideo:Number = 0;
	var totalVideos:Number;
	var paused:Boolean = false;
	var movieEnded:Boolean;
	var aVideos:Array = new Array();
	
	//load xml file
	var videoXML:XML = new XML();
	videoXML.ignoreWhite = true;
	var rootNode:XMLNode;
	var currNode:XMLNode;
	videoXML.onLoad = function():Void
	{
		rootNode = this.firstChild;
		for (var i:Number = 0; i < rootNode.childNodes.length; i++) 
		{
			currNode = rootNode.childNodes[i];
			aVideos.push({source:currNode.attributes["tvad_filename"], title:currNode.attributes["tvad_title"],description:currNode.attributes["description"]});
		}
		totalVideos = aVideos.length;
		populateList();
	};
	videoXML.load("Data/videos.xml");
	
	
	//lets get the functions out of the way....
	var cList:Object = mcTab.mcPlaylist.cList;
	cList.vScrollPolicy = "auto";
	var listListener:Object = new Object();
	cList.addEventListener("change", listListener);
	listListener.change = function() 
	{
		var index:Number = cList.selectedIndex;
		currentVideo = index;
		populateFields(index);
		playVideo(aVideos[index].source);
	};
	function populateList():Void 
	{
		for (var i:Number = 0; i<totalVideos; i++)
		{
			cList.addItem(aVideos[i].title);
		}
		cList.selectedIndex = currentVideo;
		populateFields(0);
		playVideo(aVideos[0].source);
	}
	
	
	//this is where you can access the xml data easily
	function populateFields(index:Number):Void
	{
		_root.tTitle.text = "TV COMMERCIALS " + aVideos[index].title;
	}
	
	
	//stuff to connect to video and set up buffer
	var nc:NetConnection = new NetConnection();
	nc.connect(null);
	var ns:NetStream = new NetStream(nc);
	ns.setBufferTime(5);
	mcVideo.oVideo.attachVideo(ns);
	function playVideo(video:String):Void
	{
		movieEnded = false;
		mcBuffer._visible = true;
		clearIntervals();
		ns.play(video);
		nDownload = setInterval(downloadProgress, 1000/24);
		nPlayback = setInterval(playback, 1000/24);
	}
	
	
	//this bit checks what is happening with the playback
	ns.onStatus = function(oInfo:Object):Void 
	{
		trace(oInfo.code);
		//check if the movie has started
		if (oInfo.code == "NetStream.Play.Start")
		{
			trace("movie has started");
		}
		///check if the movie has finished
		if (oInfo.code == "NetStream.Play.Stop")
		{
			//if it has stopped, goto next one.
			currentVideo++;
			progressbar = true;
			playVideo(aVideos[currentVideo].source);
			populateFields(currentVideo);
			//check to see if we're on the last video
			//if we are
			if (currentVideo == totalVideos)
			{
				//original block of code
				//add what you wanna do after all the vids have been looped through
				_root.attachMovie("introTVCs_mc", "introTVCs_mc", 1, {_x: 0, _y: 0});
				//in this block dude :)
				trace("movie ended");
				
				clearInterval(nPlayback);
				movieEnded = true;
				mcBuffer._visible = false;
				
			}
			//videos();
		}
		//and if the source file can't be found?
		if (oInfo.code == "NetStream.Play.StreamNotFound")
		{
			trace("movie cannot be found");
		}
		if (oInfo.code == "NetStream.Buffer.Full")
		{
			mcBuffer._visible = false;
		}
		if (oInfo.code == "NetStream.Buffer.Empty" && !movieEnded)
		{
			trace("buffer empty");
			mcBuffer._visible = true;
			// buffer is empty now we need to check if remaining movie time is less buffer requirement
			var timeRemaining:Number = totalLength-ns.time;
			if (timeRemaining<ns.bufferTime)
			{
				ns.setBufferTime(timeRemaining);
			}
		}
	};
	ns["onMetaData"] = function (oInfo:Object):Void
	{
		totalLength = oInfo.duration;
	};
	
	//just to check how quickly it buffered
	trace(ns.bufferTime);
	
	//check how much has loaded and update status bar if needed
	var nBytesLoaded:Number;
	var nBytesTotal:Number;
	var percentageLoaded:Number;
	function downloadProgress():Void
	{
		nBytesLoaded = ns.bytesLoaded;
		nBytesTotal = ns.bytesTotal;
		percentageLoaded = nBytesLoaded/nBytesTotal*100;
		mcProgressBar.mcDownloadBar._xscale = percentageLoaded;
		if (percentageLoaded == 100)
		{
			clearInterval(nDownload);
		}
	}
	
	//just in case
	function clearIntervals():Void
	{
		clearInterval(nDownload);
		clearInterval(nPlayback);
	}
}
[+][-]08/21/08 07:44 PM, ID: 22285902Expert Comment

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[+][-]08/22/08 01:36 AM, ID: 22287836Author Comment

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[+][-]08/22/08 03:12 AM, ID: 22288180Accepted Solution

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About this solution

Zones: ActionScript, Adobe Flash
Tags: actionscript, functions
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Solution Provided By: Proactivation
Participating Experts: 2
Solution Grade: A
 
[+][-]08/22/08 04:12 AM, ID: 22288460Author Comment

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