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Problem

  • I'm having some difficulty getting the plugin for unreal engine installed for the Vive Pro Eye Headset.
  • Following the directions in the documentation leads to compile errors when I go to launch the project.
  • In short, I can't get the plugin to compile or the project to load correctly.

Done:

  • [X] - Installed and running steam VR
  • [X] - Installed and running SR_Runtime
  • [X] - Calibrated Eye Tracker in Steam VR

Error Trigger

  • Pasted unzipped unreal plugin into C++ blank UE4 project.
  • Returned message from unreal:

Quote

MyProject Could not be compiled. Try rebuilding them from the source manually.

 

  • Result of manual compilation via project.sln
    • Menu -> Build -> Build Solution
Quote


Error    MSB3073    The command "C:\Windows\System32\chcp.com 65001 >NUL

C2248    'USceneComponent::RelativeLocation': cannot access private member declared in class 'USceneComponent'

C2248    'USceneComponent::RelativeLocation': cannot access private member declared in class 'USceneComponent'

C2248    'USceneComponent::RelativeLocation': cannot access private member declared in class 'USceneComponent'

C2248    'USceneComponent::RelativeLocation': cannot access private member declared in class 'USceneComponent'

 

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I'm also trying to follow the directions in part 3 of :

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For Context:

  • I'm a researcher at the University of Michigan and have a series of studies I would like to gather eye tracking data from (especially blink rate and pupil dilatation). We are using a fully developed VR environment in UE4 to give several treatments to participants.

 

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@MariosBikos_HTC Maybe you could be of help here since I'm following the revisions you did to the plugin but it still isn't working. Thanks btw if you find the time.

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@cte there is going to be an updated version of SRanipal in about a week from now with support for UE4.24 and UE4.25.
However, the errors you are getting can be easily fixed if you create a c++ unreal project and then modify the SRanipal plugin code to replace RelativeLocation with GetRelativeLocation().

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Awesome, I'll give that a shot tomorrow some time and see if I can't get things running.

Thanks for the prompt reply and super helpful visuals 🙌🙌🙌

-CTE

  • Like 1

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@MariosBikos_HTC has the update for this released?

I'm trying a re-downloaded version of the SDK and am still getting some errors that are different than those you've helped me with above.

Namely:

Quote

 

Severity    Code    Description    Project    File    Line    Suppression State
Error    C1083    Cannot open include file: 'DartBoard.h': No such file or directory    MyProject    Z:\Unreal Projects\MyProject\Plugins\SRanipal\Source\SRanipal\Private\Eye\DartBoard.cpp    3   

image.thumb.png.8e0562f397d958c5030ce804dc5ee2c9.png

AND

Quote

Severity    Code    Description    Project    File    Line    Suppression State
Error    MSB3073    The command "C:\Windows\System32\chcp.com 65001 >NUL
 "Z:\Epic Games\UE_4.25\Engine\Build\BatchFiles\Build.bat" MyProjectEditor Win64 Development -Project="Z:\Unreal Projects\MyProject\MyProject.uproject" -WaitMutex -FromMsBuild" exited with code 6.    MyProject    Z:\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.MakeFile.Targets    46    

image.thumb.png.390ab63bfb1c07b94f2a29d2656c652b.png

--------------------------------------------------

Please let me know if I'm doing something wrong on my end.

The process has been as follows:

1. Start new blank C++ project in UE4.25.3

2. Close project and paste in extracted plugin from: https://hub.vive.com/en-US/download found in "SRanipal_version\03_Unreal\Vive-SRanipal-Unreal-Plugin.zip"

3. Start project

-- Error State --

Quote

MyProject Could not be compiled. Try rebuilding them from the source manually.

4. Opened Visual Studio file and go to build.

-- Error States --

<See above>

-------------------------------------------------

Best,

Connor Esterwood

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NICE! I'll hang out till the 24th then since it isn't much more of a wait.

brent rambo thumbs up GIF

Just found some time today between playing with a Shimmer GSR to give this another go.

I'll update this forum after the release and see if it is working for me next time I have a chance to dig into the eye tracking SDK.

Thanks for the help so far 🙂

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