You're breathtaking!

Source/Editor/CustomEditors/Dedicated/EnvironmentProbeEditor.cs

@@ -0,0 +1,40 @@
+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+using FlaxEngine;
+
+namespace FlaxEditor.CustomEditors.Dedicated
+{
+    /// <summary>
+    /// Custom editor for <see cref="EnvironmentProbe"/>.
+    /// </summary>
+    /// <seealso cref="ActorEditor" />
+    [CustomEditor(typeof(EnvironmentProbe)), DefaultEditor]
+    public class EnvironmentProbeEditor : ActorEditor
+    {
+        /// <inheritdoc />
+        public override void Initialize(LayoutElementsContainer layout)
+        {
+            base.Initialize(layout);
+
+            if (Values.HasDifferentTypes == false)
+            {
+                // Add 'Bake' button
+                layout.Space(10);
+                var button = layout.Button("Bake");
+                button.Button.Clicked += BakeButtonClicked;
+            }
+        }
+
+        private void BakeButtonClicked()
+        {
+            for (int i = 0; i < Values.Count; i++)
+            {
+                if (Values[i] is EnvironmentProbe envProbe)
+                {
+                    envProbe.Bake();
+                    Editor.Instance.Scene.MarkSceneEdited(envProbe.Scene);
+                }
+            }
+        }
+    }
+}