root/trunk/modules/smarty/libraries/MY_Controller.php

<?php

class Controller extends Controller_Core {

    function __construct()
    {
        parent::__construct();

        if (Kohana::config('smarty.integration') == TRUE)
        {
            $this->MY_Smarty = new MY_Smarty;
        }
    }

    public function _kohana_load_view($template, $vars)
    {
        if ($template == '')
            return;

        if (substr(strrchr($template, '.'), 1) === Kohana::config('smarty.templates_ext'))
        {
            // Assign variables to the template
            if (is_array($vars) AND count($vars) > 0)
            {
                foreach ($vars AS $key => $val)
                {
                    $this->MY_Smarty->assign($key, $val);
                }
            }

            // Send Kohana::instance to all templates
            $this->MY_Smarty->assign('this', $this);

            // Fetch the output
            $output = $this->MY_Smarty->fetch($template);

        }
        else
        {
            $output = parent::_kohana_load_view($template, $vars);
        }

        return $output;
    }
}