modify

Editor/UX/UXButtonEditor.cs

@@ -6,6 +6,7 @@ using UnityEditorInternal;
 using UnityEditor.UI;
 using UnityEngine;
 using UnityEngine.UI;
+using AnimatorControllerParameterType = UnityEngine.AnimatorControllerParameterType;
 
 [CanEditMultipleObjects]
 [CustomEditor(typeof(UXButton), true)]
@@ -296,7 +297,7 @@ internal class UXButtonEditor : Editor
 
         SerializedProperty targetGraphic = transitionData.FindPropertyRelative("targetGraphic");
         var graphic = targetGraphic.objectReferenceValue as Graphic;
-        var animation = graphic != null ? graphic.GetComponent<Animation>() : null;
+        var animator = graphic != null ? graphic.GetComponent<Animator>() : null;
 
         switch (currentTransition)
         {
@@ -307,7 +308,7 @@ internal class UXButtonEditor : Editor
                 if (!(graphic is Image)) height += EditorGUIUtility.singleLineHeight;
                 break;
             case Selectable.Transition.Animation:
-                if (animation == null) height += EditorGUIUtility.singleLineHeight;
+                if (animator == null) height += EditorGUIUtility.singleLineHeight;
                 break;
         }
 
@@ -352,7 +353,7 @@ internal class UXButtonEditor : Editor
         y += lineHeight + spacing;
 
         var graphic = targetGraphic.objectReferenceValue as Graphic;
-        var animation = graphic != null ? graphic.GetComponent<Animation>() : null;
+        var animator = graphic != null ? graphic.GetComponent<Animator>() : null;
 
         switch (currentTransition)
         {
@@ -376,7 +377,7 @@ internal class UXButtonEditor : Editor
 
                 break;
             case Selectable.Transition.Animation:
-                if (animation == null)
+                if (animator == null)
                 {
                     Rect warningRect = new Rect(position.x, y, position.width, lineHeight);
                     EditorGUI.HelpBox(warningRect, "需要Animation || Animator组件来使用动画切换", MessageType.Warning);
@@ -425,7 +426,7 @@ internal class UXButtonEditor : Editor
 
         var currentTransition = GetTransition(transition);
 
-        var animation = graphic != null ? graphic.GetComponent<Animation>() : null;
+        var animator = graphic != null ? graphic.GetComponent<Animator>() : null;
         switch (currentTransition)
         {
             case Selectable.Transition.ColorTint:
@@ -437,7 +438,7 @@ internal class UXButtonEditor : Editor
                     EditorGUILayout.HelpBox("需要Image组件来使用精灵切换", MessageType.Warning);
                 break;
             case Selectable.Transition.Animation:
-                if (animation == null)
+                if (animator == null)
                     EditorGUILayout.HelpBox("需要Animation || Animator组件来使用动画切换", MessageType.Warning);
                 break;
         }
@@ -453,6 +454,21 @@ internal class UXButtonEditor : Editor
                 break;
             case Selectable.Transition.Animation:
                 EditorGUILayout.PropertyField(m_TransitionData.FindPropertyRelative("animationTriggers"));
+                if (animator == null || animator.runtimeAnimatorController == null)
+                {
+                    if (GUILayout.Button("Auto Generate Animation"))
+                    {
+                        var controller = GenerateSelectableAnimatorContoller((target as Selectable).animationTriggers, target as Selectable);
+                        if (controller != null)
+                        {
+                            if (animator == null)
+                                animator = (target as Selectable).gameObject.AddComponent<Animator>();
+
+                            UnityEditor.Animations.AnimatorController.SetAnimatorController(animator, controller);
+                        }
+                    }
+                }
+
                 break;
         }
 
@@ -461,6 +477,59 @@ internal class UXButtonEditor : Editor
         GUILayout.EndVertical();
     }
 
+    private static UnityEditor.Animations.AnimatorController GenerateSelectableAnimatorContoller(AnimationTriggers animationTriggers, Selectable target)
+    {
+        if (target == null)
+            return null;
+
+        var path = GetSaveControllerPath(target);
+        if (string.IsNullOrEmpty(path))
+            return null;
+
+        var normalName = string.IsNullOrEmpty(animationTriggers.normalTrigger) ? "Normal" : animationTriggers.normalTrigger;
+        var highlightedName = string.IsNullOrEmpty(animationTriggers.highlightedTrigger) ? "Highlighted" : animationTriggers.highlightedTrigger;
+        var pressedName = string.IsNullOrEmpty(animationTriggers.pressedTrigger) ? "Pressed" : animationTriggers.pressedTrigger;
+        var selectedName = string.IsNullOrEmpty(animationTriggers.selectedTrigger) ? "Selected" : animationTriggers.selectedTrigger;
+        var disabledName = string.IsNullOrEmpty(animationTriggers.disabledTrigger) ? "Disabled" : animationTriggers.disabledTrigger;
+
+        var controller = UnityEditor.Animations.AnimatorController.CreateAnimatorControllerAtPath(path);
+        GenerateTriggerableTransition(normalName, controller);
+        GenerateTriggerableTransition(highlightedName, controller);
+        GenerateTriggerableTransition(pressedName, controller);
+        GenerateTriggerableTransition(selectedName, controller);
+        GenerateTriggerableTransition(disabledName, controller);
+
+        AssetDatabase.ImportAsset(path);
+
+        return controller;
+    }
+
+    private static AnimationClip GenerateTriggerableTransition(string name, UnityEditor.Animations.AnimatorController controller)
+    {
+        // Create the clip
+        var clip = UnityEditor.Animations.AnimatorController.AllocateAnimatorClip(name);
+        AssetDatabase.AddObjectToAsset(clip, controller);
+
+        // Create a state in the animatior controller for this clip
+        var state = controller.AddMotion(clip);
+
+        // Add a transition property
+        controller.AddParameter(name, AnimatorControllerParameterType.Trigger);
+
+        // Add an any state transition
+        var stateMachine = controller.layers[0].stateMachine;
+        var transition = stateMachine.AddAnyStateTransition(state);
+        transition.AddCondition(UnityEditor.Animations.AnimatorConditionMode.If, 0, name);
+        return clip;
+    }
+
+    private static string GetSaveControllerPath(Selectable target)
+    {
+        var defaultName = target.gameObject.name;
+        var message = string.Format("Create a new animator for the game object '{0}':", defaultName);
+        return EditorUtility.SaveFilePanelInProject("New Animation Contoller", defaultName, "controller", message);
+    }
+
     void CheckAndSetColorDefaults(SerializedProperty colorBlock, SerializedProperty targetGraphic)
     {
         bool isDirty = false;