feat: added GetValue method for accurately getting a serialized prope…

…rty's value

Editor/Utilities/SerializedPropertyUtilities.cs

@@ -0,0 +1,107 @@
+// Sourced from: https://github.com/dbrizov/NaughtyAttributes
+
+// MIT License
+// 
+// Copyright (c) 2017 Denis Rizov
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+using System;
+using System.Collections;
+using System.Reflection;
+using UnityEditor;
+
+namespace TNRD.Utilities
+{
+    public static class SerializedPropertyUtilities
+    {
+        /// <summary>
+        /// Gets the value of a serialized property
+        /// </summary>
+        /// <param name="property">The property to get the value from</param>
+        public static object GetValue(SerializedProperty property)
+        {
+            string path = property.propertyPath.Replace(".Array.data[", "[");
+            object targetObject = property.serializedObject.targetObject;
+            string[] elements = path.Split('.');
+
+            for (int i = 0; i < elements.Length - 1; i++)
+            {
+                string element = elements[i];
+                if (element.Contains("["))
+                {
+                    string elementName = element.Substring(0, element.IndexOf("[", StringComparison.OrdinalIgnoreCase));
+                    int index = Convert.ToInt32(element
+                        .Substring(element.IndexOf("[", StringComparison.OrdinalIgnoreCase))
+                        .Replace("[", string.Empty)
+                        .Replace("]", string.Empty));
+                    targetObject = GetValue(targetObject, elementName, index);
+                }
+                else
+                {
+                    targetObject = GetValue(targetObject, element);
+                }
+            }
+
+            return targetObject;
+        }
+
+        private static object GetValue(object source, string name, int index)
+        {
+            IEnumerable enumerable = GetValue(source, name) as IEnumerable;
+            if (enumerable == null)
+                return null;
+
+            IEnumerator enumerator = enumerable.GetEnumerator();
+            for (int i = 0; i <= index; i++)
+            {
+                if (!enumerator.MoveNext())
+                    return null;
+            }
+
+            return enumerator.Current;
+        }
+
+        private static object GetValue(object source, string name)
+        {
+            if (source == null)
+                return null;
+
+            const BindingFlags fieldFlags = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance;
+            const BindingFlags propertyFlags = fieldFlags | BindingFlags.IgnoreCase;
+
+            Type type = source.GetType();
+
+            while (type != null)
+            {
+                FieldInfo field = type.GetField(name, fieldFlags);
+                if (field != null)
+                    return field.GetValue(source);
+
+                PropertyInfo property = type.GetProperty(name, propertyFlags);
+                if (property != null)
+                    return property.GetValue(source, null);
+
+                type = type.BaseType;
+            }
+
+            return null;
+        }
+    }
+}