[WIP] LWJGL-OpenVR on jME 3.2.1

[DavidYKay]

Working on ditching JOpenVR and moving to LWJGL's OpenVR implementation.

Headset rendering is not currently working.

However: preview rendering works fine!

[stephengold]

Is there some reason you're developing in the v3.2 branch instead of the master branch?

[DavidYKay]

1: whoops! Didn't mean to PR against the main repo.

2: Because I've been developing my application against JME 3.2.1 to have a stable starting point. Happy to rebase this on master when it's cleaner and ready to go.

Thanks for your hard work on the engine! 😄

[stephengold]

If the PR was a mistake, please close it.

[neph1]

Migration to lwjgl bindings is complete in this PR: #932

[jseinturier]

I reaffirm my dissatisfaction with this choice of REPLACING existing and functional code on which people rely for their development. It is quite possible to leave different rendering systems (OpenVR JNA, LWJGL, OCCULUS) side by side without modifying the central classes of the VR module.

[DavidYKay]

OK. Closing. Ended up switching to a different engine for my product. Apologies for the confusion!