Simple Modification needed Someone help me please!!!

[GraphiX2004]

i posted this a few days ago it got over 44 views no reply's then just got buried under the last 3 pages worth so I'm trying again and hope some designer/coder picks up on this.

paid 180 bucks for this source which does not include something simple which to our community is much of a priority and i thought it would of had something like this included.

but it seems not so any help in getting this working be it a plugin or a direct forum edit.
i would really appreciate it. for you people this should be a breeeze to do but it seem
of the 44 people who read it last time not a single reply so here goes once again.
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I've spent the last 4 hours searching for this what i thought was a simple answer
but cannot find it listed anywhere nor a plugin that does what i need.

Currently i use Wordpress and a plugin called "Members Only" if a member Visits my site and they are
not logged in it will re-direct them to another webpage on the server.

if the user is logged in it will allow them to bypass the Re-Directed website and hit the forum.
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What i am after is the following being made into a plugin for the adminCP maybe?

what i'm looking for is the following which shouldn't be very hard for someone with coding skills to do

When the user visits the www.mygamingsite.com/forums link if they are not already logged in they get re-directed
instantly to www.mygamingsite.com main homepage which is where they learn all about the history behind the group.

if the user is already logged in it bypasses being re-directed to the main homepage.

i can actually do this by using this

 
<if condition="$bbuserinfo['usergroupid'] == 1">
<meta HTTP-EQUIV="REFRESH" content="0; url=www.mysite.com/website/blah">
</if>

but the problem is i don't know how to make it halt the re-direct if the user is not logged in but goes
to the login.php page or Register page.

also manually editing the template when i've seen some of the most advanced complex adminCP plugin's that work flawless
just seems stupid because if people can do these huge complex plugin's this little thing should be a breeze.