in the tutorials section of the ogre wiki theres an article about doing your own shader based shadow mapping with source. Might be a usefull place to check out.
The monster shader is cool too and has flags for toggling many different features.
http://www.ogre3d.org/wiki/index.php/Custom_Shadow_Mapping
The monster shader is cool too and has flags for toggling many different features.
http://www.ogre3d.org/wiki/index.php/Custom_Shadow_Mapping