Fix missing reference error

Author: De-Panther

Packages/webxr-interactions/Runtime/Scripts/MixedRealityCaptureController.cs

@@ -387,15 +387,29 @@ private void AddWebcamLayer()
     {
       for (int i = 0; i < xrCameras.Length; i++)
       {
-        xrCameras[i].cullingMask |= webcamLayer;
+        if (xrCameras[i] == null)
+        {
+          Debug.LogError("Missing reference to XR Camera");
+        }
+        else
+        {
+          xrCameras[i].cullingMask |= webcamLayer;
+        }
       }
     }
 
     private void RemoveWebcamLayer()
     {
       for (int i = 0; i < xrCameras.Length; i++)
       {
-        xrCameras[i].cullingMask &= ~webcamLayer;
+        if (xrCameras[i] == null)
+        {
+          Debug.LogError("Missing reference to XR Camera");
+        }
+        else
+        {
+          xrCameras[i].cullingMask &= ~webcamLayer;
+        }
       }
     }
 

Packages/webxr-interactions/Samples~/Desert/Scenes/Desert.unity

@@ -2788,6 +2788,26 @@ PrefabInstance:
       propertyPath: rightController
       value: 
       objectReference: {fileID: 1302711619}
+    - target: {fileID: 8721391137991888646, guid: bc536673dd409e046b5e4162fa3e6359,
+        type: 3}
+      propertyPath: xrCameras.Array.data[0]
+      value: 
+      objectReference: {fileID: 2072605315}
+    - target: {fileID: 8721391137991888646, guid: bc536673dd409e046b5e4162fa3e6359,
+        type: 3}
+      propertyPath: xrCameras.Array.data[1]
+      value: 
+      objectReference: {fileID: 1964000425}
+    - target: {fileID: 8721391137991888646, guid: bc536673dd409e046b5e4162fa3e6359,
+        type: 3}
+      propertyPath: xrCameras.Array.data[2]
+      value: 
+      objectReference: {fileID: 1185868908}
+    - target: {fileID: 8721391137991888646, guid: bc536673dd409e046b5e4162fa3e6359,
+        type: 3}
+      propertyPath: xrCameras.Array.data[3]
+      value: 
+      objectReference: {fileID: 1629519760}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: bc536673dd409e046b5e4162fa3e6359, type: 3}
 --- !u!114 &731613290 stripped
@@ -4080,6 +4100,12 @@ CanvasRenderer:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 1184860408}
   m_CullTransparentMesh: 0
+--- !u!20 &1185868908 stripped
+Camera:
+  m_CorrespondingSourceObject: {fileID: 8992034749185188121, guid: 54a613ba6e982e84db04156af08d6a89,
+    type: 3}
+  m_PrefabInstance: {fileID: 1302711618}
+  m_PrefabAsset: {fileID: 0}
 --- !u!4 &1189473524 stripped
 Transform:
   m_CorrespondingSourceObject: {fileID: 400000, guid: 7e57e26a714804d3c9f1baa605131856,
@@ -5756,6 +5782,12 @@ Transform:
     type: 3}
   m_PrefabInstance: {fileID: 620001436}
   m_PrefabAsset: {fileID: 0}
+--- !u!20 &1629519760 stripped
+Camera:
+  m_CorrespondingSourceObject: {fileID: 3431978019681743018, guid: 54a613ba6e982e84db04156af08d6a89,
+    type: 3}
+  m_PrefabInstance: {fileID: 1302711618}
+  m_PrefabAsset: {fileID: 0}
 --- !u!1 &1636266819
 GameObject:
   m_ObjectHideFlags: 0
@@ -6758,6 +6790,12 @@ CanvasRenderer:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 1947262193}
   m_CullTransparentMesh: 0
+--- !u!20 &1964000425 stripped
+Camera:
+  m_CorrespondingSourceObject: {fileID: 20572450475250664, guid: 54a613ba6e982e84db04156af08d6a89,
+    type: 3}
+  m_PrefabInstance: {fileID: 1302711618}
+  m_PrefabAsset: {fileID: 0}
 --- !u!1 &1984533091
 GameObject:
   m_ObjectHideFlags: 0
@@ -7048,6 +7086,12 @@ Transform:
     type: 3}
   m_PrefabInstance: {fileID: 908053159}
   m_PrefabAsset: {fileID: 0}
+--- !u!20 &2072605315 stripped
+Camera:
+  m_CorrespondingSourceObject: {fileID: 20930522213222284, guid: 54a613ba6e982e84db04156af08d6a89,
+    type: 3}
+  m_PrefabInstance: {fileID: 1302711618}
+  m_PrefabAsset: {fileID: 0}
 --- !u!1 &2082352280
 GameObject:
   m_ObjectHideFlags: 0