Update RuntimeComponentsDrawer.cs

src/DebugUtils/Editor/EntlongDrawer.cs

@@ -15,6 +15,20 @@ namespace DCFApixels.DragonECS.Unity.Editors
         {
             Rect labelRect, hyperlinkButtonRect;
             (labelRect, position) = position.HorizontalSliceLeft(EditorGUIUtility.labelWidth * 0.65f);
+
+            var eventType = Event.current.type;
+            Rect dropRect = position;
+            dropRect.yMax = position.yMin + EditorGUIUtility.singleLineHeight;
+            int controlID = GUIUtility.GetControlID(s_ObjectFieldHash, FocusType.Keyboard, position);
+
+            bool containsMouse = dropRect.Contains(Event.current.mousePosition);
+
+            if(containsMouse && eventType == EventType.Repaint && DragAndDrop.activeControlID == controlID)
+            {
+                EditorStyles.selectionRect.Draw(dropRect.AddPadding(-1), GUIContent.none, controlID, false, false);
+            }
+
+
             (position, hyperlinkButtonRect) = position.HorizontalSliceRight(18f);
 
             bool drawFoldout = property.hasMultipleDifferentValues == false;
@@ -59,13 +73,9 @@ namespace DCFApixels.DragonECS.Unity.Editors
             }
 
 
-            Rect dropRect = position;
-            dropRect.yMax = position.yMin + EditorGUIUtility.singleLineHeight;
 
 
-            var eventType = Event.current.type;
-            int controlID = GUIUtility.GetControlID(s_ObjectFieldHash, FocusType.Keyboard, position);
-            if (!dropRect.Contains(Event.current.mousePosition) || !GUI.enabled)
+            if (!containsMouse || !GUI.enabled)
             {
                 return;
             }
@@ -74,6 +84,8 @@ namespace DCFApixels.DragonECS.Unity.Editors
                 DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
             }
 
+            if (eventType == EventType.DragPerform || eventType == EventType.DragUpdated)
+            {
                 if (eventType == EventType.DragPerform)
                 {
                     entlong ent = default;
@@ -141,8 +153,8 @@ namespace DCFApixels.DragonECS.Unity.Editors
                 {
                     DragAndDrop.activeControlID = controlID;
                 }
+            }
 
-            //Event.current.Use();
         }
 
         private bool TryFindEntlong(Object uniObj, out entlong ent)

src/Internal/Editor/RuntimeComponentsDrawer.cs

@@ -82,7 +82,14 @@ namespace DCFApixels.DragonECS.Unity.Editors.X
                 ResetWrappers();
                 IsUnmanaged = UnsafeUtility.IsUnmanaged(type);
                 IsUnityObjectType = typeof(UnityObject).IsAssignableFrom(type);
-                IsUnitySerializable = IsUnityObjectType || (!type.IsGenericType && type.IsSerializable);
+                IsUnitySerializable =
+                    IsUnityObjectType ||
+                    //typeof(Array).IsAssignableFrom(type) ||
+                    //(type.IsGenericType && type.GetGenericTypeDefinition() == typeof(List<>)) ||
+                    //type.IsPrimitive ||
+                    //type == typeof(string) ||
+                    //type.IsEnum ||
+                    (!type.IsGenericType && type.IsSerializable && type.HasAttribute<System.SerializableAttribute>());
 
                 if (type == typeof(void)) { return; }
 
@@ -108,7 +115,7 @@ namespace DCFApixels.DragonECS.Unity.Editors.X
                 public readonly Type FieldType;
                 public readonly string UnityFormatName;
                 public readonly bool IsUnityObjectField;
-                public readonly bool IsPassToSerialize;
+                public readonly bool IsPassToUnitySerialize;
                 public readonly RuntimeComponentReflectionCache ValueTypeReflectionCache;
                 public FieldInfoData(FieldInfo fieldInfo)
                 {
@@ -116,7 +123,7 @@ namespace DCFApixels.DragonECS.Unity.Editors.X
                     FieldType = fieldInfo.FieldType;
                     IsUnityObjectField = typeof(UnityObject).IsAssignableFrom(fieldInfo.FieldType);
                     UnityFormatName = UnityEditorUtility.TransformFieldName(fieldInfo.Name);
-                    IsPassToSerialize =
+                    IsPassToUnitySerialize =
                         (fieldInfo.IsPublic || fieldInfo.HasAttribute<SerializeField>() || fieldInfo.HasAttribute<SerializeReference>()) &&
                         (fieldInfo.IsInitOnly || fieldInfo.HasAttribute<System.NonSerializedAttribute>()) == false;
                     ValueTypeReflectionCache = FieldType.IsValueType ? GetRuntimeComponentReflectionCache(FieldType) : null;
@@ -127,7 +134,7 @@ namespace DCFApixels.DragonECS.Unity.Editors.X
                     FieldType = fieldType;
                     UnityFormatName = unityFormatName;
                     IsUnityObjectField = typeof(UnityObject).IsAssignableFrom(fieldType);
-                    IsPassToSerialize = isPassToSerialize;
+                    IsPassToUnitySerialize = isPassToSerialize;
                     ValueTypeReflectionCache = FieldType.IsValueType ? GetRuntimeComponentReflectionCache(FieldType) : null;
                 }
                 public RuntimeComponentReflectionCache GetReflectionCache(Type type)
@@ -373,6 +380,8 @@ namespace DCFApixels.DragonECS.Unity.Editors.X
                 if (isExpanded)
                 {
                     using (EcsGUI.UpIndentLevel())
+                    {
+                        if (cache != null)
                         {
                             for (int j = 0, jMax = cache.Fields.Length; j < jMax; j++)
                             {
@@ -385,6 +394,8 @@ namespace DCFApixels.DragonECS.Unity.Editors.X
                                 }
                             }
                         }
+
+                    }
                 }
             }
             else
@@ -427,9 +438,16 @@ namespace DCFApixels.DragonECS.Unity.Editors.X
 
                     wrapper.IsExpanded = isExpanded;
                     try
+                    {
+                        if (fieldInfoData.IsPassToUnitySerialize)
                         {
                             EditorGUILayout.PropertyField(wrapper.Property, label, true);
                         }
+                        else
+                        {
+                            EditorGUILayout.LabelField(label, " ");
+                        }
+                    }
                     catch (ArgumentException)
                     {
                         if (Event.current.type != EventType.Repaint)