class Base extends Tile
{
 var $owner;
 var $resources = Array();
 
 function Base($owner)
 {
	$this->Tile();
	$this->owner = $owner;
 }
 function __sleep()
 {
   // used this before which works for simple vars like owner
    //return array('owner');
   // trying this now but doesn't seem to work for arrays
	return( array_keys( get_object_vars( &$this ) ) );
 }
}

saveGlobal('map',$map);

for($y = 0; $y < MAP_HEIGHT; $y += 1)
{
 for($x = 0; $x < MAP_WIDTH; $x += 1)
 {
	$tile = $map[$y][$x];
	if(!isset($tile))
	 exit("tile $x $y not set");

	saveGlobal("m$x$y",serialize($tile));
 }
}

$map = loadGlobal('map');
 
for($y = 0; $y < MAP_HEIGHT; $y += 1)
{
 for($x = 0; $x < MAP_WIDTH; $x += 1)
 {
	$s = loadGlobal("m$x$y");

	$map[$y][$x] = unserialize($s);	
 }
}

 

function saveGlobal($varname,$value)
{
 $_SESSION[$varname] = $value;
}

function loadGlobal($varname)
{
 return $_SESSION[$varname];
}