HPL Engine 2 | 2 Questions

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Anyways, with the HPL Engine 2 editing program, when I'm in the perspective view mode thing, is there a way I can move around freely in that instead of being based off that orb/sphere?

No, but unchecking the "LT" button on the bottom makes things more practical.

And in the Map Viewer, is there a way to change the size of that, because it goes waaaaayyyy off my screen.

In the same directory as the MapView.exe (or whatever extension), you will find mapview.cfg. Edit that file to suit your needs. If you need to change the settings for the other HPL suite tools, look for their corresponding .cfg files.