Differentiate face fade for advance and normal mode

com.unity.render-pipelines.high-definition/HDRP/Editor/Lighting/Reflection/Volume/InfluenceVolumeUI.Drawers.cs

                         d.boxBlendDistanceNegative.vector3Value = d.editorAdvancedModeBlendDistanceNegative.vector3Value;
                         d.boxBlendNormalDistancePositive.vector3Value = d.editorAdvancedModeBlendNormalDistancePositive.vector3Value;
                         d.boxBlendNormalDistanceNegative.vector3Value = d.editorAdvancedModeBlendNormalDistanceNegative.vector3Value;
+                        d.boxSideFadePositive.vector3Value = d.editorAdvancedModeFaceFadePositive.vector3Value;
+                        d.boxSideFadeNegative.vector3Value = d.editorAdvancedModeFaceFadeNegative.vector3Value;
+                        d.boxSideFadeNegative.vector3Value = d.boxSideFadePositive.vector3Value = Vector3.one;
                     }
                     d.Apply();
                 }
             if (advanced && drawFace)
             {
                 EditorGUILayout.BeginHorizontal();
-                CoreEditorUtils.DrawVector6(faceFadeContent, d.boxSideFadePositive, d.boxSideFadeNegative, Vector3.zero, Vector3.one, HDReflectionProbeEditor.k_handlesColor);
+                EditorGUI.BeginChangeCheck();
+                CoreEditorUtils.DrawVector6(faceFadeContent, d.editorAdvancedModeFaceFadePositive, d.editorAdvancedModeFaceFadeNegative, Vector3.zero, Vector3.one, HDReflectionProbeEditor.k_handlesColor);
+                if (EditorGUI.EndChangeCheck())
+                {
+                    d.boxSideFadePositive.vector3Value = d.editorAdvancedModeFaceFadePositive.vector3Value;
+                    d.boxSideFadeNegative.vector3Value = d.editorAdvancedModeFaceFadeNegative.vector3Value;
+                }
                 GUILayout.Space(28f + 9f); //add right margin for alignment
                 EditorGUILayout.EndHorizontal();
                 

com.unity.render-pipelines.high-definition/HDRP/Editor/Lighting/Reflection/Volume/SerializedInfluenceVolume.cs

         internal SerializedProperty boxSize;
         internal SerializedProperty boxBlendDistancePositive;
         internal SerializedProperty boxBlendDistanceNegative;
-        //internal SerializedProperty boxBlendSize;
-        //internal SerializedProperty boxBlendNormalSize;
         internal SerializedProperty boxSideFadePositive;
         internal SerializedProperty boxSideFadeNegative;
         internal SerializedProperty sphereRadius;
         internal SerializedProperty editorAdvancedModeBlendNormalDistanceNegative;
         internal SerializedProperty editorSimplifiedModeBlendNormalDistance;
         internal SerializedProperty editorAdvancedModeEnabled;
+        internal SerializedProperty editorAdvancedModeFaceFadePositive;
+        internal SerializedProperty editorAdvancedModeFaceFadeNegative;
 
         public SerializedInfluenceVolume(SerializedProperty root)
         {
             boxSize = root.Find((InfluenceVolume i) => i.boxSize);
             boxBlendDistancePositive = root.Find((InfluenceVolume i) => i.boxBlendDistancePositive);
             boxBlendDistanceNegative = root.Find((InfluenceVolume i) => i.boxBlendDistanceNegative);
-            //boxBlendSize = root.Find((InfluenceVolume i) => i.boxBlendSize);
-            //boxBlendNormalSize = root.Find((InfluenceVolume i) => i.boxBlendNormalSize);
             boxSideFadePositive = root.Find((InfluenceVolume i) => i.boxSideFadePositive);
             boxSideFadeNegative = root.Find((InfluenceVolume i) => i.boxSideFadeNegative);
             sphereRadius = root.Find((InfluenceVolume i) => i.sphereRadius);
             editorAdvancedModeBlendNormalDistanceNegative = root.FindPropertyRelative("m_EditorAdvancedModeBlendNormalDistanceNegative");
             editorSimplifiedModeBlendNormalDistance = root.FindPropertyRelative("m_EditorSimplifiedModeBlendNormalDistance");
             editorAdvancedModeEnabled = root.FindPropertyRelative("m_EditorAdvancedModeEnabled");
+            editorAdvancedModeFaceFadePositive = root.FindPropertyRelative("m_EditorAdvancedModeFaceFadePositive");
+            editorAdvancedModeFaceFadeNegative = root.FindPropertyRelative("m_EditorAdvancedModeFaceFadeNegative");
+
-            if(editorAdvancedModeBlendDistancePositive.vector3Value == Vector3.zero
+            if (editorAdvancedModeBlendDistancePositive.vector3Value == Vector3.zero
                 && editorAdvancedModeBlendDistanceNegative.vector3Value == Vector3.zero
                 && editorSimplifiedModeBlendDistance.floatValue == 0f
                 && editorAdvancedModeBlendNormalDistancePositive.vector3Value == Vector3.zero
-                    || boxBlendDistanceNegative.vector3Value != Vector3.zero))
+                    || boxBlendDistanceNegative.vector3Value != Vector3.zero
+                    || boxBlendNormalDistancePositive.vector3Value != Vector3.zero
+                    || boxBlendNormalDistanceNegative.vector3Value != Vector3.zero))
             {
                 Vector3 positive = boxBlendDistancePositive.vector3Value;
                 Vector3 negative = boxBlendDistanceNegative.vector3Value;
                     || negative.x != negative.y
                     || negative.x != negative.z
                     || positive.x != negative.x;
+                Apply();
+            }
+            if(editorAdvancedModeFaceFadePositive.vector3Value == Vector3.one
+                && editorAdvancedModeFaceFadeNegative.vector3Value == Vector3.one
+                && (boxSideFadePositive.vector3Value != Vector3.one
+                    || boxSideFadeNegative.vector3Value != Vector3.one))
+            {
+                editorAdvancedModeFaceFadePositive.vector3Value = boxSideFadePositive.vector3Value;
+                editorAdvancedModeFaceFadeNegative.vector3Value = boxSideFadeNegative.vector3Value;
+                if(!editorAdvancedModeEnabled.boolValue)
+                {
+                    boxSideFadePositive.vector3Value = Vector3.one;
+                    boxSideFadeNegative.vector3Value = Vector3.one;
+                }
                 Apply();
             }
         }

com.unity.render-pipelines.high-definition/HDRP/Lighting/Reflection/Volumes/InfluenceVolume.cs

         float m_EditorSimplifiedModeBlendNormalDistance;
         [SerializeField, FormerlySerializedAs("editorAdvancedModeEnabled")]
         bool m_EditorAdvancedModeEnabled;
+        [SerializeField]
+        Vector3 m_EditorAdvancedModeFaceFadePositive = Vector3.one;
+        [SerializeField]
+        Vector3 m_EditorAdvancedModeFaceFadeNegative = Vector3.one;
 
         // Sphere
         [SerializeField, FormerlySerializedAs("m_SphereBaseRadius")]
             data.m_EditorAdvancedModeBlendNormalDistanceNegative = m_EditorAdvancedModeBlendNormalDistanceNegative;
             data.m_EditorSimplifiedModeBlendNormalDistance = m_EditorSimplifiedModeBlendNormalDistance;
             data.m_EditorAdvancedModeEnabled = m_EditorAdvancedModeEnabled;
+            data.m_EditorAdvancedModeFaceFadePositive = m_EditorAdvancedModeFaceFadePositive;
+            data.m_EditorAdvancedModeFaceFadeNegative = m_EditorAdvancedModeFaceFadeNegative;
         }
 
         /// <summary>Shape of this InfluenceVolume.</summary>