This question was closed Feb 26, 2019 at 08:18 AM by schnein2 for the following reason:

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Question by schnein2 · Feb 12, 2019 at 04:01 PM · build webgl json

Reading .json file from WebGL build

Hello everyone,

I have a problem with reading a .json file from my WebGL build. I found following solutions on the internet:

and I tried to implement it into my own script.

In the following code all variables are global.

I call the coroutine from the Start() method:

 void Start() {
 filepath = System.IO.Path.Combine(Application.streamingAssetsPath, filename);
 StartCoroutine(LoadStreamingAsset());
 }

This is the coroutine:

     private IEnumerator LoadStreamingAsset()
     {
         if (filepath.Contains("://") || filepath.Contains(":///"))
         {
             WWW www = new WWW(filepath);
             yield return www;
             LoadContent(www.text);
         }
         else
             // read nothing or log error
     }

and I want to load the content into a List:

     private void LoadContent(string fileContent)
     {
         jsonFile = JsonUtility.FromJson<JsonFile>(fileContent);
         ContentToList();              
         StopAllCoroutines();     // don't know if this is necessary 
     }

I got numerous "memory access out of bounds" errors and sometimes the game would load (but without the content from the .json file). I guessed the coroutine would still be running so I used the "StopAllCoroutines()" method which solved the memory issues but the file still won't load. This is the first time I used coroutines in my game and I'm not sure if I'm doing the right thing here.

Am I correct that without the coroutine the filestream hasn't finished downloading while I try to load the content into the list? That was also a browser console error.

Thank you for your help!

Add comment · Show 4

Marco-Trivellato · Feb 21, 2019 at 05:20 PM 0

Are you sure the WWW succeeded in downloading the file?

schnein2 Marco-Trivellato · Feb 22, 2019 at 08:22 AM 0

I managed to get the WWW part running and the file downloads! The code looks a little bit different but it works (thats all I'm concerned about now). I'm going to close this question. If you want any more information, let me know.