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EVRButtonId is always 0(k_EButton_System)

See original GitHub issue

While I keep runningpollNextEvent(event), or EVRButtonId is always zero even though I press different buttons. Am I missing something?

Regarding EVREventType, event.eventType shows 200 or VREvent_ButtonPress, which seems fine.

Issue Analytics

  • State:closed
  • Created 6 years ago
  • Reactions:1
  • Comments:9 (4 by maintainers)

github_iconTop GitHub Comments

tomgoddardcommented, Oct 26, 2018

Here is a patch to openvr/ (version 1.0.1301) to add pack = 4 to VREvent_t on Linux so that VR controller button press events have correct values for that identify which button is pressed. The patch is the same as was done for VRControllerState_t in pyopenvr 1.0.1301. I’ve tested this on CentOS 7 and Ubuntu 18.0.4. I attach the patch as a zip file because GitHub will not accept attachments with suffix .patch.

daniel5ghcommented, Jul 7, 2017

That’s good to hear!

For a permanent solution we may need to add _pack_ = 4 to the relevant structs when Linux or OSX. As opposed to the C# here in Python we can just to that and runtime when Linux or OSX, so we don’t need such an elaborate solution using the union like in C#.

Judging from the “Terrible Hack” comments in I think these are VRControllerState_t and VREvent_t.

But looking at I see two more structs that are aligned on 4 bytes using pragma pack when Linux or OSX: RenderModel_TextureMap_t and RenderModel_t.

@cmbruns What do you think?

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