add package files

com.htc.upm.vive.openxr/OpenXRSceneUnderstanding/Samples~/Editor/MeshingFeatureInstaller.cs

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+using System;
+using System.Linq;
+using System.Reflection;
+using System.IO;
+using UnityEngine;
+using UnityEngine.XR.OpenXR;
+using UnityEngine.XR.OpenXR.Samples.MeshingFeature;
+using UnityEditor.XR.OpenXR.Features;
+
+namespace UnityEditor.XR.OpenXR.Samples.MeshingFeature
+{
+    /// <summary>
+    /// Custom editor for meshing behaviour that ensures the meshing feature plugin can be loaded.
+    ///
+    /// For the SceneUnderstanding sample to be loaded the sample folder must be an immediate child of the 'Assets' folder and
+    /// must be there on Unity startup.  This script will copy the sample folder to the required destination and attempt
+    /// to force a restart after.
+    ///
+    /// Note that this script will self destruct after running by deleting the script asset to ensure it only ever runs once.
+    ///
+    /// Note that when developing samples this copying functionality may not be desired.  To disable this
+    /// functionality add the UNITY_SAMPLE_DEV define to your project.
+    /// </summary>
+    [InitializeOnLoad]
+    public class MeshingFeatureInstaller : Editor
+    {
+#if !UNITY_SAMPLE_DEV
+        private const string k_MeshingFeaturePath = "SceneUnderstanding Example/MeshingFeaturePlugin/UnitySubsystemsManifest.json";
+
+        private const string k_ErrorMessage = "The SceneUnderstanding Example requires the `MeshingFeaturePlugin' folder be moved to the root 'Assets` folder to run properly.  An attempt was made to automatically move these files to the correct location but failed, please move these files manaually before running the sample.";
+
+        private const string k_DialogText = "The SceneUnderstanding Example requires that the MeshingFeature subsystem be registered, which will require Unity editor to be restarted.\n\nDo you want to *RESTART* the editor now?";
+
+        static MeshingFeatureInstaller()
+        {
+            // Automatically enable the feature
+            FeatureHelpers.RefreshFeatures(BuildTargetGroup.Standalone);
+            var feature = OpenXRSettings.Instance.GetFeature<MeshingTeapotFeature>();
+            if (feature != null)
+                feature.enabled = true;
+
+            // Find the subsystem manifest to figure out where the sample was installed
+            var source = AssetDatabase
+                .FindAssets(Path.GetFileNameWithoutExtension(k_MeshingFeaturePath))
+                .Select(AssetDatabase.GUIDToAssetPath)
+                .FirstOrDefault(r => r.Contains(k_MeshingFeaturePath));
+
+            if (string.IsNullOrEmpty(source))
+            {
+                Debug.LogError(k_ErrorMessage);
+                return;
+            }
+
+            // Extract the `UnitySubsystemsManifest.json` from the path
+            source = Path.GetDirectoryName(source);
+
+            // Target path is 'Assets/<sample folder name>`
+            var target = Path.Combine("Assets", Path.GetFileNameWithoutExtension(source));
+
+            // Attempt to move the entire folder
+            var moveResult = AssetDatabase.MoveAsset(source, target);
+            if (!string.IsNullOrWhiteSpace(moveResult))
+            {
+                Debug.LogError(moveResult);
+                return;
+            }
+
+            Debug.Log($"Moved '{source}' to '{target}");
+
+            if (EditorUtility.DisplayDialog("Warning", k_DialogText, "Yes", "No"))
+            {
+                // Restart editor.
+                var editorApplicationType = typeof(EditorApplication);
+                var requestCloseAndRelaunchWithCurrentArgumentsMethod =
+                    editorApplicationType.GetMethod("RequestCloseAndRelaunchWithCurrentArguments",
+                        BindingFlags.NonPublic | BindingFlags.Static);
+
+                if (requestCloseAndRelaunchWithCurrentArgumentsMethod == null)
+                    throw new MissingMethodException(editorApplicationType.FullName, "RequestCloseAndRelaunchWithCurrentArguments");
+
+                requestCloseAndRelaunchWithCurrentArgumentsMethod.Invoke(null, null);
+            }
+
+            // Self destruct
+            AssetDatabase.DeleteAsset(Path.Combine(Path.GetDirectoryName(source), "Editor"));
+        }
+#endif
+    }
+}

com.htc.upm.vive.openxr/OpenXRSceneUnderstanding/Samples~/Editor/MeshingFeatureInstaller.cs.meta

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