Yes! After like browsing the entire internet I found the source code of a tool that directly converts a MAP file to T3D. The T3D is an old format, nevertheless, it's portable to UT3. Besides that, I also know a way to convert exisiting BSP files now, with needing to decompile them first, I haven't realy tested it, but I will in the coming weeks. When I'm able to properly port a level, I'll start porting more models and such.

For now, let's dive into some more exams! Yay!