Stefan, you're right about your observations. Instead of scaling the model, I scaled down the character controller, and that always causes problems. I need to tweak the char controller, and the viewfield option.
About the baking process, yep, I did it in C4D by using the "bake object" command. In my opinion its easier than the bake texture tag. In your scene you should have the GI open, and all the lights/shadows set correctly. Then when you hit bake, in the end of the process the program creates you a new material with the 2 textures attached to it; luminance, and diffusion. Then you can easily use those 2 files in Unity by creating a Lightmap Material.
Try experimenting with bake object. Its fairly easy. C4D also allows you to bake groups, so instead of baking each wall and object, you can just pick the walls group imported from the archicad model and bake all the wall textures into a single file (well 2 files, one for tex. one for lum.) Note that you have to check the right options in bake object dialog to get the GI and the AO settings correctly.
If you still cant manage to get it done, I'll try sending you screenshots of the process
😉
