witches

Assets/Scripts/Singletons/Abstract/MonoBehaviourSingleton.cs

@@ -0,0 +1,26 @@
+using UnityEngine;
+using System.Collections;
+
+public class MonoBehaviourSingleton<T> : MonoBehaviour
+    where T : Component
+{
+    private static T _instance;
+    public static T Instance {
+        get {
+            if (_instance == null) {
+                var objs = FindObjectsByType<T> (FindObjectsSortMode.None) as T[];
+                if (objs.Length > 0)
+                    _instance = objs[0];
+                if (objs.Length > 1) {
+                    Debug.LogError ("There is more than one " + typeof(T).Name + " in the scene.");
+                }
+                if (_instance == null) {
+                    GameObject obj = new GameObject (typeof(T).Name);
+                    obj.hideFlags = HideFlags.HideAndDontSave;
+                    _instance = obj.AddComponent<T> ();
+                }
+            }
+            return _instance;
+        }
+    }
+}