Cleaned-up Singleton class

* Revised the singleton class, removing unnecessary code and changing others.
* Added an extra level of detail to the version numbers used (from x.y to x.y.z)

Unity Utilities/Assets/Unitilities/Scenes/Examples/TestScript.cs

@@ -21,4 +21,5 @@ public void Awake()
     {
         v = p2 + p1;
     }
+
 }

Unity Utilities/Assets/Unitilities/Scripts/Colors/ColorExtras.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// RandomColor v1.0 by Christian Chomiak, [email protected]
+/// RandomColor v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// API to get random colors a given hue, saturation or value as a starting point.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Colors/Editor/HSVColorDrawer.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// HSVColorDrawer v1.1 by Christian Chomiak, [email protected]
+/// HSVColorDrawer v1.1.0 by Christian Chomiak, [email protected]
 /// 
 /// Custom property drawer for the HSVColor struct.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Colors/HSVColor.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// HSVColor v1.1 by Christian Chomiak, [email protected]
+/// HSVColor v1.1.0 by Christian Chomiak, [email protected]
 /// 
 /// Struct to represent colors in the HSV (hue, saturation, value) system.
 /// Includes:

Unity Utilities/Assets/Unitilities/Scripts/Core/Attributes/ReadOnly/Attributes/ReadOnlyAttribute.cs

@@ -1,17 +1,15 @@
 /// <summary>
-/// RegexAttribute v1.0
+/// RegexAttribute v1.0.0
 /// 
 /// Taken from: http://blogs.unity3d.com/2012/09/07/property-drawers-in-unity-4/
 /// </summary>
 
-
 using UnityEngine;
 
 namespace Unitilities
 {
     public class ReadOnlyAttribute : PropertyAttribute
     {
-
         public ReadOnlyAttribute()
         {
         }

Unity Utilities/Assets/Unitilities/Scripts/Core/Attributes/ReadOnly/Editor/ReadOnlyDrawer.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// ReadOnlyDrawer v1.0
+/// ReadOnlyDrawer v1.0.0
 /// 
 /// Taken from: http://answers.unity3d.com/questions/489942/how-to-make-a-readonly-property-in-inspector.html
 /// 

Unity Utilities/Assets/Unitilities/Scripts/Core/Attributes/Regex/Attributes/RegexAttribute.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// RegexAttribute v1.0
+/// RegexAttribute v1.0.0
 /// 
 /// Taken from: http://blogs.unity3d.com/2012/09/07/property-drawers-in-unity-4/
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Attributes/Regex/Editor/RegexDrawer.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// RegexDrawer v1.0
+/// RegexDrawer v1.0.0
 /// 
 /// When declaring a variable:
 ///   * For IPv4: [Regex(@"^(?:\d{1,3}\.){3}\d{1,3}$", "Invalid IPv4 address!\nExample: '127.0.0.1'")]

Unity Utilities/Assets/Unitilities/Scripts/Core/Editor/TransformInspector.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// TransformInspector v1.0 by Christian Chomiak, [email protected]
+/// TransformInspector v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Script to provide shortcuts in the Transform Inspector to reset the Position,
 /// Scale and Rotation of a GameObject.

Unity Utilities/Assets/Unitilities/Scripts/Core/Editor/UnitilitiesMenu.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// UnitilitiesMenu v1.0 by Christian Chomiak, [email protected]
+/// UnitilitiesMenu v1.0.1 by Christian Chomiak, [email protected]
 /// 
 /// Script to show quick Unitilities-related shortcuts in the Unity Editor.
 /// </summary>
@@ -14,14 +14,12 @@ public class UnitilitiesMenu : ScriptableObject
         // Add a menu item named "Do Something with a Shortcut Key" to MyMenu in the menu bar
         // and give it a shortcut (ctrl-g on Windows, cmd-g on OS X).
         [MenuItem("Unitilities/GameObject/Enable-Disable %h")]
-        static void DoIt()
+        static void ChangeEnableStatus()
         {
             foreach (GameObject go in Selection.gameObjects)
             {
                 //EditorUtility.DisplayDialog("MyTool", "Do It in C# !", "OK", "");
-                bool activeStatus = go.activeSelf;
-
-                go.SetActive(!activeStatus);
+                go.SetActive(!go.activeSelf);
             }
         }
 

Unity Utilities/Assets/Unitilities/Scripts/Core/Extensions/CollectionExtensions.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// CollectionExtensions v1.2 by Christian Chomiak, [email protected]
+/// CollectionExtensions v1.2.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions that facilitate the use of Collections (arrays, lists, etc.)
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Extensions/ColorExtentions.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// ColorExtensions v1.0 by Christian Chomiak, [email protected]
+/// ColorExtensions v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions that facilitate the use of Unity's Color. 
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Extensions/DateTimeExtensions.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// DateTimeExtensions v1.0 by Christian Chomiak, [email protected]
+/// DateTimeExtensions v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions for manipulating Date/Time.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Extensions/GameObjectExtensions.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// GameObjectExtensions v1.0 by Christian Chomiak, [email protected]
+/// GameObjectExtensions v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions that facilitate the use of GameObjects
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Extensions/IComparableExtensions.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// IComparableExtensions v1.0 by Christian Chomiak, [email protected]
+/// IComparableExtensions v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions that facilitate the use of IComparable objects. 
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Extensions/PrimitiveExtensions.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// PrimitiveExtensions v1.1 by Christian Chomiak, [email protected]
+/// PrimitiveExtensions v1.1.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions that facilitate the use of C# primitives. 
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Extensions/VectorExtensions.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// VectorExtensions v1.0 by Christian Chomiak, [email protected]
+/// VectorExtensions v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions that facilitate the use of Vectors
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Helpers/ApplicationHelper.cs

@@ -1,5 +1,5 @@
 // <summary>
-/// ApplicationHelper v1.1 by Christian Chomiak, [email protected]
+/// ApplicationHelper v1.1.0 by Christian Chomiak, [email protected]
 /// 
 /// Shortcuts for common queries to Unity's Application.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Helpers/ColorHelper.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// ColorHelper v1.1 by Christian Chomiak, [email protected]
+/// ColorHelper v1.1.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions that facilitate the manipulation of Unitiy's Color.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Helpers/EnumHelper.cs

@@ -1,5 +1,5 @@
 // <summary>
-/// EnumHelper v1.0 by Christian Chomiak, [email protected]
+/// EnumHelper v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Useful functions related to enums.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Helpers/MathHelper.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// ColorHelper v1.0 by Christian Chomiak, [email protected]
+/// ColorHelper v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Set of useful mathematical functions.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Helpers/PrimitiveHelper.cs

@@ -1,5 +1,5 @@
 // <summary>
-/// PrimitiveHelper v1.0 by Christian Chomiak, [email protected]
+/// PrimitiveHelper v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Useful functions for C# primitives.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/Helpers/RandomHelper.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// RandomHelper v1.0 by Christian Chomiak, [email protected]
+/// RandomHelper v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Useful functions for random labors.
 /// </summary>
@@ -8,10 +8,8 @@
 
 namespace Unitilities
 {
-
     public static class RandomHelper
     {
-
         #region int
         /// <summary>
         /// Returns 1 or -1 at random.

Unity Utilities/Assets/Unitilities/Scripts/Core/Helpers/TextureHelper.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// ColorHelper v1.0 by Christian Chomiak, [email protected]
+/// ColorHelper v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Functions that facilitate working with Unity Textures.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Core/PlayerPrefs/Editor/PlayerPrefsDataType.cs

@@ -1,9 +1,7 @@
 using UnityEngine;
 
-
 namespace Unitilities.Debugging
 {
-
     public enum PlayerPrefsType { Int, Float, String };
 
     public class PlayerPrefsDataType

Unity Utilities/Assets/Unitilities/Scripts/Core/PlayerPrefs/Editor/PlayerPrefsEditor.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// PlayerPrefsEditor v1.0 by Christian Chomiak, [email protected]
+/// PlayerPrefsEditor v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// PlayerPrefs editor and reader.
 /// 

Unity Utilities/Assets/Unitilities/Scripts/Core/Singleton.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// Singleton v1.1 by Christian Chomiak, [email protected]
+/// Singleton v1.2.0 by Christian Chomiak, [email protected]
 /// 
 /// Base class to provide a singleton status to an object.
 /// 
@@ -33,46 +33,69 @@ public class Singleton<T> : MonoBehaviour where T : MonoBehaviour
         [SerializeField]
         bool isPersistent = true;
 
-
         #region Unity
 
         protected virtual void Awake()
         {
-            if (Exists) //(instance != null && !IsCurrentSingleton())
+            if (Exists)
             {
-                if (!IsCurrentSingleton())
+                if (!IsCurrentSingleton)
                 {
-                    Debug.LogWarning("Warning: More than one instance of singleton " + typeof(T) + " existing.");
+                    Debug.LogWarning("Warning: More than one instance of singleton " + typeof(T) + " exists in the scene. The newest one will be destroyed.");
                     Destroy(gameObject);
                 }
             }
-            else //if (instance == null)
+            else
             {
-                instance = gameObject.GetComponent<T>(); // AddComponent(typeof(T)) as T;
+                // Previously, it was `instance = gameObject.GetComponent<T>();` but this should be more efficient
+                instance = this as T;
 
                 if (isPersistent)
                     DontDestroyOnLoad(gameObject);
             }
         }
 
-        public virtual void OnDestroy()
+        //Only the true singleton can reset the global reference
+        protected virtual void OnDestroy()
         {
-            if (IsCurrentSingleton())
-            {
+            if (IsCurrentSingleton)
                 instance = null;
+        }
+
+        #endregion
+
+        #region Private & Protected
+
+        /// <summary>
+        /// Determines whether the current instance is the one true singleton
+        /// </summary>
+        /// <returns></returns>
+        protected bool IsCurrentSingleton
+        {
+            get
+            {
+                return Exists && instance.gameObject.GetInstanceID() == gameObject.GetInstanceID();
             }
         }
 
         #endregion
 
+
         #region Public API
 
         /// <summary>
         /// Determines whether the specified Singleton exists or not
         /// </summary>
         public static bool Exists
         {
-            get { return ((object)instance != null); }
+            get
+            {
+                #if UNITY_EDITOR
+                    return (instance != null);
+                #else
+                    return ((object) instance != null);
+                #endif
+            }
         }
 
         /// <summary>
@@ -84,33 +107,20 @@ public static T Instance
             {
                 if (!Exists)
                 {
-                    instance = (T)FindObjectOfType(typeof(T));
-
-                    if (!Exists)
-                    {
-                        Debug.Log("An instance of " + typeof(T) + " is needed in the scene, but there is none. Generated automatically.");
-
-                        GameObject obj = new GameObject("Singleton_" + typeof(T));
-                        instance = obj.AddComponent(typeof(T)) as T;
-                    }
+                    //We could first check inside the scene for an existing instance
+                    //but because how this script is constructed, asking if it `Exists` should be enough.
+                    //instance = (T) FindObjectOfType(typeof(T)); 
+
+                    Debug.Log("An instance of " + typeof(T).ToString() + " is needed in the scene, but there was none found.\nOne was generated automatically for you.");
+
+                    GameObject obj = new GameObject("Singleton_" + typeof(T));
+                    instance = obj.AddComponent(typeof(T)) as T;
                 }
 
                 return instance;
             }
         }
-
-        /// <summary>
-        /// Determines whether the current instance is the one true singleton
-        /// </summary>
-        /// <returns></returns>
-        public bool IsCurrentSingleton()
-        {
-            if (!Exists) // instance == null
-                return false;
-
-            return instance.gameObject.GetInstanceID() == gameObject.GetInstanceID();
-        }
-
+
         #endregion
 
     }

Unity Utilities/Assets/Unitilities/Scripts/Debugging/Editor/InvisibleObjectDrawerEditor.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// InvisibleObjectDrawerEditor v1.0 by Christian Chomiak, [email protected]
+/// InvisibleObjectDrawerEditor v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Custom editor for InvisibleObjectDrawer.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Debugging/Editor/ObjectTextDrawerEditor.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// ObjectTextDrawerEditor v1.0 by Christian Chomiak, [email protected]
+/// ObjectTextDrawerEditor v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Custom editor for ObjectTextDrawer.
 /// </summary>

Unity Utilities/Assets/Unitilities/Scripts/Debugging/InvisibleObjectDrawer.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// InvisibleObjectDrawer v1.0 by Christian Chomiak, [email protected]
+/// InvisibleObjectDrawer v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Script to show a GameObject's position ingame.
 /// Meant to be used on objects that are  have no meshrender.

Unity Utilities/Assets/Unitilities/Scripts/Debugging/ObjectTextDrawer.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// ObjectTextDrawer v1.0 by Christian Chomiak, [email protected]
+/// ObjectTextDrawer v1.0.0 by Christian Chomiak, [email protected]
 /// 
 /// Script to show a text, above a GameObject, ingame.
 /// 

Unity Utilities/Assets/Unitilities/Scripts/Localization/LocalizationConfig.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// LocalizationConfig v1.1 by Christian Chomiak, [email protected]
+/// LocalizationConfig v1.1.0 by Christian Chomiak, [email protected]
 /// 
 /// MonoBehaviour that makes use of the LocalizationManager and modify 
 /// the sibling UI Text as needed.

Unity Utilities/Assets/Unitilities/Scripts/Localization/LocalizationManager.cs

@@ -1,5 +1,5 @@
 /// <summary>
-/// LocalizationManager v1.1 by Christian Chomiak, [email protected]
+/// LocalizationManager v1.1.0 by Christian Chomiak, [email protected]
 /// 
 /// Manager in charge of translating the LocalizedTexts.
 ///