Slow preloading on server

Hi guys,.

I made an app that uses a lot of sounds and images files and I implemented a feature to preload these files before you run the program to ensure the proper functioning on my program. There are about 10 MB of images and sound clips

When the application running on the spot of course all preloads very quickly (about 10 seconds), but when I downloaded on a server it takes about a minute or two to preload 10 MB of files. Of course, this is not normal?

Here is my code:

function preLoaderSound (): void

{

snd1 = new Sound (new URLRequest(this["array"+k][0][m]));

snd1.addEventListener (Event.COMPLETE, preLoadComplete);

}

function preLoaderImages (): void

{

Image1. URL = this ["array" + k] [l] [m];

imageLoader1.load (image1);

imageLoader1.contentLoaderInfo.addEventListener (Event.COMPLETE, preLoadComplete);

}

preLoadComplete increments k, l and m and keeps a track of how many files have been loaded

Can anyone help?

See you soon

Chris

In view of your data structure and do not enter the topic of it needs improvements, below is a loading block based on your tables.

Please note that this code assumes that the only goal is to preload all assets at the beginning and then use the cache. If you want to more efficient application - you want to store loaded active elsewhere and access it if necessary. But this is a different topic.

I tried to comment code as much as possible.


import flash.display.Loader;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.events.IOErrorEvent;
import flash.media.Sound;
import flash.net.URLRequest;

var array1:Array;
var array2:Array;
/**
 * Number of arrays with convention array in the scope
 */
var numArrays:int = 2;
/**
 * Total umber of assets to load
 */
var numAssets:int = 0;

init();

function init():void
{
          array1 = new Array();
          array2 = new Array();
          array1[0] = ["", "GuitarMicArray/Center.mp3", "GuitarMicArray/15.mp3", "GuitarMicArray/45.mp3", "GuitarMicArray/60.mp3", "GuitarMicArray/90.mp3"];
          array1[1] = ["", "MicPics/SM57.jpg", "MicPics/SM57.jpg", "MicPics/SM57.jpg", "MicPics/SM57.jpg", "MicPics/SM57.jpg"];
          array1[2] = ["", "MicPosPics/Center.jpg", "MicPosPics/15.jpg", "MicPosPics/45.jpg", "MicPosPics/60.jpg", "MicPosPics/90.jpg"];
          array1[3] = ["", "GuitarPic/LesPaul.jpg", "GuitarPic/LesPaul.jpg", "GuitarPic/LesPaul.jpg", "GuitarPic/LesPaul.jpg", "GuitarPic/LesPaul.jpg"];
          array1[4] = ["", "AmpPics/Marshall.jpg", "AmpPics/Marshall.jpg", "AmpPics/Marshall.jpg", "AmpPics/Marshall.jpg", "AmpPics/Marshall.jpg"];
          array2[0] = ["", "GuitarMicArray/Center.mp3", "GuitarMicArray/15.mp3", "GuitarMicArray/45.mp3", "GuitarMicArray/60.mp3", "GuitarMicArray/90.mp3"];
          array2[1] = ["", "MicPics/SM57.jpg", "MicPics/SM57.jpg", "MicPics/SM57.jpg", "MicPics/SM57.jpg", "MicPics/SM57.jpg"];
          array2[2] = ["", "MicPosPics/Center.jpg", "MicPosPics/15.jpg", "MicPosPics/45.jpg", "MicPosPics/60.jpg", "MicPosPics/90.jpg"];
          array2[3] = ["", "GuitarPic/LesPaul.jpg", "GuitarPic/LesPaul.jpg", "GuitarPic/LesPaul.jpg", "GuitarPic/LesPaul.jpg", "GuitarPic/LesPaul.jpg"];
          array2[4] = ["", "AmpPics/Marshall.jpg", "AmpPics/Marshall.jpg", "AmpPics/Marshall.jpg", "AmpPics/Marshall.jpg", "AmpPics/Marshall.jpg"];

          preloadAssets();
}

function preloadAssets():void
{
          /**
           * 1. Since mime types are mixed up in the same data provider - we should separate mime types into different more logical entites
           * 3. Since array contain redundant assets - we shoul avoid loading assets more than once
           * 2. We should define how many assets to be loaded
           */
          var sounds:Array = [];
          var images:Array = [];
          for (var i:int = 1; i <= numArrays; i++)
          {
                    // gain reference to array
                    var array:Array = this["array" + 1];
                    // loop through second dimensions
                    for each (var subArray:Array in array)
                    {
                              // loop through elements in the seond dimension
                              for each (var url:String in subArray)
                              {
                                        /**
                                         * We need additional validation
                                         * 1. Make shure that current element is not an empty string
                                         * 2. Identify mime type base on file extension
                                         */
                                        // only if it is not an empty string - proceed
                                        if (url != "")
                                        {
                                                  // increment number of assets that must be loaded
                                                  numAssets++;
                                                  // populate either sounds or image array
                                                  // url.match(/(\w+)$/gi) extracts file extension
                                                  switch (url.match(/(\w+)$/gi)[0])
                                                  {
                                                            case "jpg":
                                                                      // push image url into array of images urls
                                                                      // if url is not present - push it
                                                                      if (images.indexOf(url) == -1)
                                                                      {
                                                                                images.push(url);
                                                                      }
                                                                      break;
                                                            case "mp3":
                                                                      // puch sound url into the array of aounds urls
                                                                      // add only if url does not exist int ht e array
                                                                      if (sounds.indexOf(url) == -1)
                                                                      {
                                                                                sounds.push(url);
                                                                      }
                                                                      break;
                                                  }
                                        }

                              }
                    }
          }
          // at this point we are ready to load all assets
          // invoke images loading
          for each (url in images)
          {
                    trace("image", url);
                    var loader:Loader = new Loader();
                    addListeners(loader.contentLoaderInfo);
                    loader.load(new URLRequest(url));
          }
          // invoke sounds loading
          for each (url in sounds)
          {
                    trace("sound", url);
                    var sound:Sound = new Sound();
                    addListeners(sound);
                    sound.load(new URLRequest(url));
          }
}

function onError(e:IOErrorEvent):void
{
          trace("error", e.target);
          removeListeners(e.target as EventDispatcher);
}

/**
 * Adds loading related listeners
 * @param          ed
 */
function addListeners(ed:EventDispatcher):void
{
          ed.addEventListener(Event.COMPLETE, onLoadComplete);
          ed.addEventListener(IOErrorEvent.IO_ERROR, onError);
}

/**
 * Removes loading related listeners
 * @param          ed
 */
function removeListeners(ed:EventDispatcher):void
{
          ed.removeEventListener(Event.COMPLETE, onLoadComplete);
          ed.removeEventListener(IOErrorEvent.IO_ERROR, onError);
}

function onLoadComplete(e:Event):void
{
          // remove listeners
          removeListeners(e.target as EventDispatcher);
          // decrement numAssets
          numAssets--;
          // when all assets are loaded - numAssets is zero
          if (numAssets == 0)
          {
                    // all assets are loaded and we can go ahead with the rest of application
          }
}

Post edited by: Andrei1

Tags: Adobe Animate

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