Update

Assets/Scripts/Player/Generic/Attributes/Editor/vCheckPropertyDrawer.cs

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+using UnityEngine;
+using System.Collections;
+using UnityEditor;
+using System.Reflection;
+using System;
+
+namespace Invector
+{
+    [CustomPropertyDrawer(typeof(vCheckPropertyAttribute),true)]
+    public class vCheckPropertyDrawer : PropertyDrawer
+    {       
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+        {            
+            label = EditorGUI.BeginProperty(position, label, property);
+            vCheckPropertyAttribute _attribute = attribute as vCheckPropertyAttribute;
+          
+            if (_attribute != null && property.serializedObject.targetObject)
+            {
+                var propertyName = property.propertyPath.Replace(property.name, "");
+                var checkValues = _attribute.checkValues;
+             
+                var valid = Validate(property, _attribute);
+                if (valid || !_attribute.hideInInspector)
+                {
+                    GUI.enabled = valid;
+                    GUI.color = valid ? Color.white : Color.grey * 0.5f;
+
+                    EditorGUI.PropertyField(position, property, label, true);
+                    GUI.enabled = true;
+                    GUI.color = Color.white;
+                }
+
+            }
+            else
+                EditorGUI.PropertyField(position, property, true);
+            EditorGUI.EndProperty();
+        }
+
+        private  bool Validate(SerializedProperty property, vCheckPropertyAttribute _attribute)
+        {
+            var propertyName = property.propertyPath.Replace(property.name, "");
+            var checkValues = _attribute.checkValues;
+            var valid = true;
+            for (int i = 0; i < checkValues.Count; i++)
+            {
+                var prop = property.serializedObject.FindProperty(propertyName + checkValues[i].property);
+
+                switch (prop.propertyType)
+                {
+                    case SerializedPropertyType.Boolean:
+                        valid = prop.boolValue.Equals(checkValues[i].value);
+                        break;
+                    case SerializedPropertyType.Enum:
+                        int index = Array.IndexOf(Enum.GetValues(checkValues[i].value.GetType()), checkValues[i].value);
+                        valid = prop.enumValueIndex.Equals(index);
+                        break;
+                }
+
+                if (!valid) break;
+            }
+            if (_attribute.invertResult) valid = !valid;
+            return valid;
+        }
+        public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
+        {
+            vCheckPropertyAttribute _attribute = attribute as vCheckPropertyAttribute;
+          
+            var valid = Validate(property, _attribute) || !_attribute.hideInInspector;
+            return valid?base.GetPropertyHeight(property, label):0;
+        }
+    }
+}