I'm looking for existing plugins or tools to import London Racer: Police Madness .nif / .opt with support for map models. The game is powered by NetImmerse/GameBryo. I tried NifSkope for OPTs but it failed.

londonracerpolicemadness_nifopt.rar

Edited July 4Jul 4 by mrmaller1905

Nif has several dozens of versions, meanwhile. The .opt here has Version 4.2.2.0 with NiDaviWaypointsStreamable for example.

The meshes (point clouds) are easy to track, usually (track06.opt):

ShadowSkin, whatever it may mean:

edit: interestingly a NifSkope exe of 2010 gives some insights (may be faulty):

Edited July 4Jul 4 by shak-otay