add space reset in openvr bindings

[meir]

Tried to add the spacedrag bindings in SteamVR yesterday but found out the option for the space reset is missing.

This should add it in SteamVR.

Will have to test when i get back home, ill keep the PR in draft until ive managed to test it.

[meir]

Tested, works in SteamVR now, however there is a bug where the DragReset puts you under the floor and away from the center for some reason, but that lies in the DragReset method

[galister]

If you want to look further into this, here's some info:

Moving the playspace on SteamVR consists of moving the actual chaperone (the boundary thing that your draw during steamvr room calibration).

When uncalibrated, the chaperone sits at the raw center of the playspace. (This is likely what it resets to as of now.)

Upon room calibration, the chaperone is saved to a file somewhere, and SteamVR will use this calibration for the chaperone on next launch.

Instead of resetting the chaperone by clearing its transform, we want to revert it to the pose that's in the calibration file.

There's an OpenVR method that seems to do just what we need: IVRChaperoneSetup::ReloadFromDisk

[meir]

ahh alright, i'll see tomorrow if i can figure it out, might need to check my actual boundary in SteamVR aswell, i might have it improperly set since OVRAS sometimes broke it and i got sick of fixing it each time it happened

[meir]

couldn't really stop thinking about it, especially since ive recently started learning rust so got a bit too excited about it

but looked into it and ReloadFromDisk wouldnt work since the CommitWorkingCopy would override the saved chaperone, this would technically mean that its overwritten entirely even between restarts, so i changed it out for the previewing the working data so that the saved chaperone stays in tact and does not get ruined

However this does come with another bug, it's only visual and not breaking, but when the preview is showing, the chaperone bounds will just fly away, but the actual playspace goes in the correct position

I'll look later into why this might be happening

[meir]

found the issue with the boundaries flying off, adding an offset to them was breaking it, apparently steamvr already sets the offset when previewing the working set.

[galister]

i'm not sure what the nix part is about, we're already included in: https://github.com/nix-community/nixpkgs-xr

if it's needed then please make it into its own PR

[meir]

i added the nix flake for local development, the flake in nixpkgs-xr builds a specific git branch, the one i added is to run/build the local code using nix

[meir]

it is probably better to override the wlx package just like nixpkgs-xr does, im not sure if theres another option in nix to do local development using the nixpkgs-xr

[meir]

removed the nix flake and squashed down the commits into one

i'll make a second pr later tonight with additions for a nix flake for local development on NixOS

[meir]

found another issue before this pr gets merged, when moving, any windows shift with you, when resetting they dont, i'll figure this out later today