UI相关优化补充

Assets/_Game/Scripts/Editor/Inspector/RequiredFieldDrawer.cs

@@ -0,0 +1,58 @@
+using UnityEditor;
+using UnityEngine;
+using BaseGames.Core;
+
+namespace BaseGames.Editor.Inspector
+{
+    /// <summary>
+    /// [RequiredField] 的 Inspector 绘制：未赋值时显示红色 HelpBox。
+    /// </summary>
+    [CustomPropertyDrawer(typeof(RequiredFieldAttribute))]
+    public class RequiredFieldDrawer : PropertyDrawer
+    {
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+        {
+            bool missing = IsMissing(property);
+            if (missing)
+            {
+                var msgHeight = EditorGUIUtility.singleLineHeight * 1.6f;
+                var msgRect   = new Rect(position.x, position.y, position.width, msgHeight);
+                var attr      = (RequiredFieldAttribute)attribute;
+                var hint      = string.IsNullOrEmpty(attr.Hint) ? "" : $"  ({attr.Hint})";
+                EditorGUI.HelpBox(msgRect, $"必填字段未赋值{hint}", MessageType.Error);
+
+                var fieldRect = new Rect(position.x, position.y + msgHeight + 2, position.width,
+                                         EditorGUIUtility.singleLineHeight);
+                var prev = GUI.color; GUI.color = new Color(1f, 0.6f, 0.6f);
+                EditorGUI.PropertyField(fieldRect, property, label);
+                GUI.color = prev;
+            }
+            else
+            {
+                EditorGUI.PropertyField(position, property, label, true);
+            }
+        }
+
+        public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
+        {
+            bool missing = IsMissing(property);
+            float baseH  = EditorGUI.GetPropertyHeight(property, label, true);
+            return missing ? baseH + EditorGUIUtility.singleLineHeight * 1.6f + 4f : baseH;
+        }
+
+        private static bool IsMissing(SerializedProperty p)
+        {
+            switch (p.propertyType)
+            {
+                case SerializedPropertyType.ObjectReference:
+                    return p.objectReferenceValue == null;
+                case SerializedPropertyType.String:
+                    return string.IsNullOrEmpty(p.stringValue);
+                case SerializedPropertyType.ExposedReference:
+                    return p.exposedReferenceValue == null;
+                default:
+                    return false;
+            }
+        }
+    }
+}

Assets/_Game/Scripts/Editor/Inspector/RequiredFieldDrawer.cs.meta

@@ -0,0 +1,11 @@
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+  defaultReferences: []
+  executionOrder: 0
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