OLPCities/Changing avatares and auto-save

At this last lesson of our tutorials serie we will learn how to make our OLPCity more sophisticated. It will be possible to choice an avatar and, if the kid go out of the OLPCity at some Lot X, when it comes back it will be at the same Lot X.

Look the figure. The folder having the Lots will have a file: index.html.

The code of this page is:

<html>
<head>
<script language="Javascript" src="http://www.dmu.com/olpc/gamelib_core.js"></script>
<script language="Javascript" src="http://www.dmu.com/olpc/gamelib_sprites.js"></script>
<script language="Javascript" src="http://www.dmu.com/olpc/gamelib_keyboard.js"></script>
<script language="Javascript" src="http://www.dmu.com/olpc/gamelib_mouse.js"></script>
<script language="Javascript" src="http://www.dmu.com/olpc/gamelib_interface.js"></script>
<script language="Javascript">
 
function init(){
 Sp_linuxcompatible=true;

 avatcust = new Gl_cookie("avatx");
 if(avatcust.value==null  ){
 window.location="avatarcust.html" ;
 }
 else{
  pointt   = new Gl_cookie("ptt");
  if(pointt.value!=null && pointt.value!="index.html")window.location=pointt.value;
  if(pointt.value==null ){
   pointt.setvalue("tut11.html");//the first Lot of your City
   window.location="index.html" ;
  }
 }
}		
 
</script>
</head>

<title>TUTCITY</title>
<center>
<body  bgcolor="black"  onload="init()" >
 
</center> 
</html>

We have here a first cookie (avatcust). This cookie will have the name of the file (.GIF) having the avatar. If it's null this means that no avatar is defined. The kid will go to the page: avatarcust.html (at the figure):

Another cookie is the "pointt" that has the address of the Lot where the kid is. When we will have "auto-save" at our OLPCity, ALL the Lots need to have the lines of code:

 
pointt = new Gl_cookie("ptt");
pointt.setvalue("address-of-this-lot.html");

Replace "address-of-this-lot.html" by the adress of the page that has the Lot.

OLPCities/Changing avatares and auto-save

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