PSaves <- [];

function onPlayerJoin( player )
{
    PSaves.push( { ID = player.ID, LastSave = time() } );
}

function onPlayerPart( player, reason )
{
    PSaves.remove( PSaves.find( player.Name ) );
}

function SavePlayerData()
{
    foreach( idx, val in PSaves )
    {
        if ( ( time() - val.LastSave ) == 180 )
        {
            local player = FindPlayer( val.ID );
            if ( player )
            {
                // save...
                val.LastSave = time();
            }
        }
    }
}