Mixedrealitytoolkit-unity: MRTK's Radial Prefab is using a font from HoloToolkit

[timGerken]

Describe the bug

Radial prefab still refers to the old HoloToolkit selawk font instead of the MixedRealityToolkit selawk font.

To reproduce

Steps to reproduce the behavior:

1. Open MRTK in Unity
2. Open the Radial prefab
3. Expand the prefab and select the Label component
   

Observe the missing font:

Expected behavior

A proper font.

Screenshots

If applicable, add screenshots to help explain your problem.

Your Setup (please complete the following information)

• Unity Version [e.g. 2018.4.1f1]
• MRTK Version [e.g. v2.0] (both mrtk_release and mrtk_develop branches)

Target Platform (please complete the following information)

• HoloLens
• HoloLens 2
• WMR immersive
• OpenVR

Additional context

Add any other context about the problem here.

[timGerken]

Note, there are a few other cases of MRTK assets referencing guids that match those of HoloToolkit .meta files:

C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit-Examples\StandardShader\Textures\Panel_albedo.tga.meta
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.SDK\Features\UX\Interactable\Materials\HolographicButtonContent.mat
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.SDK\Features\UX\Interactable\Materials\HolographicButtonContentCage.mat
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.SDK\Features\UX\Interactable\Materials\HolographicButtonContentCageProximity.mat
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.SDK\Features\UX\Interactable\Materials\HolographicButtonThickContent.mat
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.SDK\Features\UX\Interactable\Materials\HolographicButtonThinContent.mat
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit-Examples\UX\Materials\ToolTipPlateEmerald.mat.meta
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.Examples\Demos\Solvers\Prefabs\Snake.prefab
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Fonts\selawk.ttf.meta
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.Examples\Demos\UX\Tooltips\Scenes\TooltipExamples.unity
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.SDK\Features\UX\Interactable\Prefabs\Radial.prefab
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Materials\MRTK_Standard_Lime.mat.meta
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.Examples\Demos\UX\Tooltips\Scenes\TooltipExamples.unity
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit-Examples\Input\Materials\GridCubeWhite.mat.meta
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.Examples\Demos\UX\Tooltips\Scenes\TooltipExamples.unity
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\Boundary\Scripts\SceneContentAdjuster.cs.meta
    C:\src\GitHub\Microsoft\MRTK\Assets\MixedRealityToolkit.Examples\Demos\UX\Tooltips\Scenes\TooltipExamples.unity

[timGerken]

@Cameron-Micka seems tangentially related to the cool tool you just contributed. Just add the old HoloToolkit to your MRTK project and point the tool at it to see what in the MRTK needs updating.

[Cameron-Micka]

@timGerken that’s a great idea! @wiwei we might want to fix all these old references before GA.

[cre8ivepark]

Updated interactable prefabs and opened PR. #5421

[timGerken]

It looks like there are other issues going on here besides just the errant font usage (some of these were captured in the comment above but aren't addressed in PR #5421. Maybe opening a new issue to track the non-font items is the right thing to do, your call. Renaming the existing issue to capture all HTK references in MRTK might also work. @cre8ivepark

For instance, the old HoloToolkit's MRTK_Standard_Cyan.mat was renamed to ProgressIndicatorLoadingBarFilled.mat (they share the same guid):
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Materials\MRTK_Standard_Cyan.mat.meta

fileFormatVersion: 2
guid: 97b73006130d05b4c90034845c44e88d
timeCreated: 1435687483
licenseType: Pro
NativeFormatImporter:
userData:
assetBundleName:
assetBundleVariant:

C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Materials\ProgressIndicatorLoadingBarFilled.mat.meta

fileFormatVersion: 2
guid: 97b73006130d05b4c90034845c44e88d
timeCreated: 1435687483
licenseType: Pro
NativeFormatImporter:
userData:
assetBundleName:
assetBundleVariant:

The renaming bit might be by design, but it certainly makes things difficult when trying to port a HoloToolkit-base project to MixedRealityToolkit.v2.

The full list that I've been able to find looking for HTK references in this MRTK branch follows here:
```
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\Utilities\Scripts\StabilizationPlaneModifier.cs.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Experimental\Features\Utilities\StabilizationPlaneModifier.cs.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Materials\MRTK_Standard_Cyan.mat.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Materials\ProgressIndicatorLoadingBarFilled.mat.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorLoadingBar.prefab
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorRotatingObject.prefab
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Materials\MRTK_Standard_White.mat.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Materials\ProgressIndicatorLoadingBarEmpty.mat.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorLoadingBar.prefab
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Progress\ProgressIndicator.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.Extensions\SceneTransitionService\DefaultSceneTransitionServiceProfile.asset
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorLoadingBar.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Progress\ProgressIndicatorPrefab.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorRotatingObject.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Progress\RotatingOrbs.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorRotatingOrbs.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\3DTextSelawik.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.Examples\Demos\UX\Slate\SlateExample.unity
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.Examples\Demos\UX\Text\Scenes\TextPrefabExamples.unity
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\3DTextSelawik.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\3DTextSelawikBold.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.Examples\Demos\UX\Text\Scenes\TextPrefabExamples.unity
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\3DTextSelawikBold.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\3DTextSelawikLight.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.Examples\Demos\UX\Text\Scenes\TextPrefabExamples.unity
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\3DTextSelawikLight.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\3DTextSelawikSemibold.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.Examples\Demos\UX\Text\Scenes\TextPrefabExamples.unity
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\3DTextSelawikSemibold.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\3DTextSelawikSemilight.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.Examples\Demos\StandardShader\Scenes\ClippingExamples.unity
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.Examples\Demos\UX\Text\Scenes\TextPrefabExamples.unity
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\3DTextSelawikSemilight.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\UITextSelawik.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\UITextSelawik.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\UITextSelawikBold.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\UITextSelawikBold.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\UITextSelawikLight.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\UITextSelawikLight.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\UITextSelawikSemibold.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\UITextSelawikSemibold.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Text\UITextSelawikSemilight.prefab.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\StandardAssets\Prefabs\Text\UITextSelawikSemilight.prefab.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Scripts\Progress\ObjectDisplayScript.cs.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorRotatingObject.prefab
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Scripts\ProgressIndicators\ProgressIndicatorObjectDisplay.cs.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Scripts\Progress\ProgressIndicator.cs.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorLoadingBar.prefab
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Scripts\ProgressIndicators\ProgressIndicatorLoadingBar.cs.meta
C:\src\GitHub\Microsoft\HoloToolkit\Assets\HoloToolkit\UX\Scripts\Progress\ProgressIndicatorOrbsRotator.cs.meta
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Prefabs\ProgressIndicators\ProgressIndicatorRotatingOrbs.prefab
C:\src\GitHub\cre8ivepark\MixedRealityToolkit-Unity\Assets\MixedRealityToolkit.SDK\Features\UX\Scripts\ProgressIndicators\ProgressIndicatorOrbsRotator.cs.meta

[keveleigh]

I think this one's good after #5421 and #5484, but please reopen if not!

[timGerken]

@keveleigh
Looks like there is just one more:
MRTK\Assets\MixedRealityToolkit.Extensions\SceneTransitionService\DefaultSceneTransitionServiceProfile.asset references HoloToolkit\Assets\HoloToolkit\UX\Prefabs\Progress\ProgressIndicator.prefab.meta as its defaultProgressIndicatorPrefab.

[keveleigh]

@timGerken Oops, looks like I accidentally filtered out .asset files when I replaced them in #5484. Fix here: #5567