For Lunatic, we'll want to get rid of the t_data --> script indirections, since
the latter will be no more. Thus, all parameters are saved in t_data directly.
For the normal build, there are no changes, only stylistic tweaks.
git-svn-id: https://svn.eduke32.com/eduke32@2669 1a8010ca-5511-0410-912e-c29ae57300e0