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Assets/UMotionEditor/Scripts/Editor/GUICompatibilityUtility.cs

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+using System;
+using System.Reflection;
+using UnityEngine;
+using UnityEditor;
+
+namespace UMotionEditor
+{
+    public static class GUICompatibilityUtility
+    {
+        //********************************************************************************
+        // Public Properties
+        //********************************************************************************
+
+        public static event System.Action<SceneView> OnSceneGui
+        {
+            add
+            {
+                #if UNITY_2019_1_OR_NEWER
+                SceneView.duringSceneGui += value;
+                #else
+                legacySceneViewGUI += value;
+                if (!initialized)
+                {
+                    // Doing this in a static constructor instead caused an exception in Unity 2017.4
+                    SceneView.onSceneGUIDelegate += delegate(SceneView sceneView) { legacySceneViewGUI(sceneView); };
+                    initialized = true;
+                }
+                #endif
+            }
+            remove
+            {
+                #if UNITY_2019_1_OR_NEWER
+                SceneView.duringSceneGui -= value;
+                #else
+                legacySceneViewGUI -= value;
+                #endif
+            }
+        }
+
+        //********************************************************************************
+        // Private Properties
+        //********************************************************************************
+
+        //----------------------
+        // Inspector
+        //----------------------
+
+        //----------------------
+        // Internal
+        //----------------------
+        #if !UNITY_2019_1_OR_NEWER
+        private static event System.Action<SceneView> legacySceneViewGUI;
+        private static bool initialized = false;
+        #endif
+
+        //********************************************************************************
+        // Public Methods
+        //********************************************************************************
+
+        [MenuItem("Window/UMotion Editor/Contact Support", true, 1232)]
+        public static bool UMotionSupportMenuItemValidate()
+        {
+            CheckCurrentAssembly();
+            return true;
+        }
+
+        [MenuItem("Window/UMotion Editor/Contact Support", false, 1232)]
+        public static void UMotionSupportMenuItem()
+        {
+            Help.BrowseURL("https://support.soxware.com");
+        }
+
+        public static Color ColorField(GUIContent label, Color value, bool showEyedropper, bool showAlpha, bool hdr, params GUILayoutOption[] options)
+        {
+            #if UNITY_2018_1_OR_NEWER
+            return EditorGUILayout.ColorField(label, value, showEyedropper, showAlpha, hdr, options);
+            #else
+            return EditorGUILayout.ColorField(label, value, showEyedropper, showAlpha, hdr, null, options);
+            #endif
+        }
+
+        //********************************************************************************
+        // Private Methods
+        //********************************************************************************
+
+        private static bool CheckCurrentAssembly()
+        {
+            string applicationAssemblyName = VersionCompatibilityUtility.GetCurrentAssemblyName();
+            string editorAssemblyName = Assembly.GetExecutingAssembly().GetName().Name;
+            
+            bool assemblyOk = (applicationAssemblyName == "UMotionSourceApplication") && (editorAssemblyName == "UMotionSourceEditor");
+
+            if (!assemblyOk)
+            {
+                string message = string.Format("The UMotion script files are not compiled to the correct assembly:\r\n\r\n\"{0}\"\r\n(should be \"UMotionSourceApplication\")\r\n\r\n\"{1}\"\r\n(should be \"UMotionSourceEditor\")\r\n\r\nMake sure that you haven't deleted or re-named the assembly definition files inside the UMotion folder.", applicationAssemblyName, editorAssemblyName);
+                EditorUtility.DisplayDialog("UMotion - Invalid Assembly", message, "OK");
+            }
+
+            return assemblyOk;
+        }
+    }
+}