From 26b316d4315f94de4d976937343da04d30bb773f Mon Sep 17 00:00:00 2001
From: hyunwoo <hyunwoo8@snowpipe.co.kr>
Date: Wed, 16 Aug 2023 18:50:56 +0900
Subject: [PATCH] Singleton

---
 Assets/Singleton.meta                         |  8 ++
 Assets/Singleton/Scripts.meta                 |  8 ++
 Assets/Singleton/Scripts/UnitySingleton.cs    | 93 +++++++++++++++++++
 .../Singleton/Scripts/UnitySingleton.cs.meta  | 11 +++
 4 files changed, 120 insertions(+)
 create mode 100644 Assets/Singleton.meta
 create mode 100644 Assets/Singleton/Scripts.meta
 create mode 100644 Assets/Singleton/Scripts/UnitySingleton.cs
 create mode 100644 Assets/Singleton/Scripts/UnitySingleton.cs.meta

diff --git a/Assets/Singleton.meta b/Assets/Singleton.meta
new file mode 100644
index 0000000..d0da518
--- /dev/null
+++ b/Assets/Singleton.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 46c57a5edc113954c92ea81e20be4682
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Singleton/Scripts.meta b/Assets/Singleton/Scripts.meta
new file mode 100644
index 0000000..02c2712
--- /dev/null
+++ b/Assets/Singleton/Scripts.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 79590437eab636d45b613b2bcda6a904
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Singleton/Scripts/UnitySingleton.cs b/Assets/Singleton/Scripts/UnitySingleton.cs
new file mode 100644
index 0000000..1df58d5
--- /dev/null
+++ b/Assets/Singleton/Scripts/UnitySingleton.cs
@@ -0,0 +1,93 @@
+using UnityEngine;
+
+namespace FirstVillain.Singleton
+{
+    public class UnitySingleton<T> : MonoBehaviour where T : UnityEngine.Component
+    {
+        private static T _instance = null;
+
+        public static T Instance
+        {
+            get
+            {
+                if (_instance == null)
+                {
+                    string name = (typeof(T)).ToString();
+                    _instance = new GameObject(name).AddComponent<T>();
+                }
+
+                return _instance;
+            }
+        }
+        private void Awake()
+        {
+            if (_instance != null && _instance != this)
+            {
+                Destroy(gameObject);
+                return;
+            }
+            else
+            {
+                _instance = this as T;
+            }
+
+            DontDestroyOnLoad(gameObject);
+
+            AwakeSingleton();
+        }
+
+        private void OnDestroy()
+        {
+            if (_instance == this)
+            {
+                _instance = null;
+            }
+        }
+
+        protected virtual void AwakeSingleton()
+        { }
+    }
+    public class UnitySingletonOnce<T> : MonoBehaviour where T : UnityEngine.Component
+    {
+        private static T _instance = null;
+
+        public static T Instance
+        {
+            get
+            {
+                if (_instance == null)
+                {
+                    string name = (typeof(T)).ToString();
+                    _instance = new GameObject(name).AddComponent<T>();
+                }
+
+                return _instance;
+            }
+        }
+        private void Awake()
+        {
+            if (_instance != null && _instance != this)
+            {
+                Destroy(gameObject);
+                return;
+            }
+            else
+            {
+                _instance = this as T;
+            }
+
+            AwakeSingleton();
+        }
+
+        private void OnDestroy()
+        {
+            if (_instance == this)
+            {
+                _instance = null;
+            }
+        }
+
+        protected virtual void AwakeSingleton()
+        { }
+    }
+}
diff --git a/Assets/Singleton/Scripts/UnitySingleton.cs.meta b/Assets/Singleton/Scripts/UnitySingleton.cs.meta
new file mode 100644
index 0000000..85e701e
--- /dev/null
+++ b/Assets/Singleton/Scripts/UnitySingleton.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 777a878dd9f43e349ac20fcd7e63dc31
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: