[Draft][USDU-331] Make package samples more user friendly

package/com.unity.formats.usd/Editor/Utils/SampleUtils.cs

@@ -0,0 +1,47 @@
+using System;
+using System.IO;
+using System.Runtime.CompilerServices;
+using UnityEditor;
+using UnityEngine;
+
+namespace Unity.Formats.USD
+{
+    public static class SampleUtils
+    {
+        /// <summary>
+        /// Utils functions for the package Samples
+        /// </summary>
+
+        public static string SampleArtifactDirectory => Path.Combine(Application.dataPath, "Samples");
+        public static string SampleArtifactRelativeDirectory => "Assets/Samples";
+
+        private static EditorWindow GetConsoleWindow()
+        {
+            var editorWindowTypes = TypeCache.GetTypesDerivedFrom<EditorWindow>();
+            foreach (var type in editorWindowTypes)
+            {
+                if (type.Name == "ConsoleWindow")
+                {
+                    return EditorWindow.GetWindow(type);
+                }
+            }
+
+            throw new System.Exception("Error could not find ConsoleWindow type");
+        }
+
+        public static void FocusConsoleWindow()
+        {
+#if UNITY_EDITOR
+            var consoleWindow = GetConsoleWindow();
+            consoleWindow.Focus();
+#endif
+        }
+
+        public struct TextColor
+        {
+            public const string Red = "#FF2D2D";
+            public const string Green = "#00FF00";
+            public const string Blue = "#338DFF";
+        }
+    }
+}

package/com.unity.formats.usd/Samples/ExportMesh/Editor/ExportMeshExampleEditor.cs

@@ -1,4 +1,4 @@
-// Copyright 2017 Google Inc. All rights reserved.
+// Copyright 2023 Unity Technologies. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-using UnityEngine;
 using UnityEditor;
+using UnityEngine;
 
 namespace Unity.Formats.USD.Examples
 {
@@ -25,30 +25,80 @@ public override void OnInspectorGUI()
             DrawDefaultInspector();
 
             ExportMeshExample script = (ExportMeshExample)target;
-            if (script.IsRecording)
+
+            var labelStyle = new GUIStyle() { fontStyle = FontStyle.Bold, alignment = TextAnchor.MiddleLeft, wordWrap = true };
+            labelStyle.normal.textColor = Color.white;
+
+            GUILayout.Label($"\nFor Exporting as <.{script.FileExtension}>, follow these step(s):", labelStyle);
+
+            if (GUILayout.Button("1. Initialize USD Package"))
             {
-                var oldBg = GUI.backgroundColor;
-                GUI.backgroundColor = Color.white;
-                if (GUILayout.Button("Stop"))
-                {
-                    script.StopRecording();
-                    EditorApplication.isPaused = true;
-                }
-
-                GUI.backgroundColor = oldBg;
+                script.InitUSD();
             }
-            else
+
+            switch (script.FileExtension)
             {
-                var oldBg = GUI.backgroundColor;
-                GUI.backgroundColor = Color.red;
-                if (GUILayout.Button("Record"))
-                {
-                    EditorApplication.isPaused = false;
-                    //EditorApplication.isPlaying = true;
-                    script.StartRecording();
-                }
-
-                GUI.backgroundColor = oldBg;
+                case ExportMeshExample.UsdFileExtension.usd:
+                case ExportMeshExample.UsdFileExtension.usda:
+                case ExportMeshExample.UsdFileExtension.usdc:
+                    {
+                        if (GUILayout.Button("2. Create New USD Scene"))
+                        {
+                            SampleUtils.FocusConsoleWindow();
+
+                            script.CreateNewUsdScene();
+                            Debug.Log($"<color={SampleUtils.TextColor.Green}>Created USD file: <b><{script.m_newUsdFileName}.{script.FileExtension}></b> under project <b>'{SampleUtils.SampleArtifactRelativeDirectory}'</b> folder</color>");
+                        }
+
+                        if (GUILayout.Button("3. Set up Export Context"))
+                        {
+                            SampleUtils.FocusConsoleWindow();
+
+                            script.SetUpExportContext();
+                        }
+
+                        if (GUILayout.Button("3. Set up Export Context"))
+                        {
+                            SampleUtils.FocusConsoleWindow();
+
+                            script.SetUpExportContext();
+                        }
+
+                        if (GUILayout.Button("4. Export"))
+                        {
+                            SampleUtils.FocusConsoleWindow();
+
+                            script.Export();
+                        }
+
+                        if (GUILayout.Button("5. Save Scene"))
+                        {
+                            SampleUtils.FocusConsoleWindow();
+
+                            script.SaveScene();
+                            AssetDatabase.Refresh();
+                            Debug.Log($"<color={SampleUtils.TextColor.Green}>Exported details of <b><{script.m_exportRoot.name}></b> into <b><{script.m_newUsdFileName}.{script.FileExtension}></b></color>");
+                        }
+
+                        if (GUILayout.Button("6. Close Scene"))
+                        {
+                            script.CloseScene();
+                        }
+                        break;
+                    }
+
+                case ExportMeshExample.UsdFileExtension.usdz:
+                    {
+                        if (GUILayout.Button("2. Export GameObject as USDZ"))
+                        {
+                            SampleUtils.FocusConsoleWindow();
+                            Debug.Log("For USDZ Export the sample will utilize the <b>UsdzExporter.cs</b> script");
+                            script.ExportAsUsdz();
+                            AssetDatabase.Refresh();
+                            Debug.Log($"<color={SampleUtils.TextColor.Green}>Exported details of <b><{script.m_exportRoot.name}></b> into <b><{script.m_newUsdFileName}.usdz></b></color>");
+                        }
+                        break;
+                    }
             }
         }
     }