style: readability

Author: jcs090218

Assets/JCSUnity/Scripts/Managers/JCS_AppManager.cs

@@ -160,10 +160,12 @@ private void Start()
             JCS_GameManager.FirstInstance().RegisterOnSystemAfterInit(RefreshSimulateLanguage);
         }
 
+#if UNITY_EDITOR
         private void OnValidate()
         {
             RefreshSimulateLanguage();
         }
+#endif
 
         public bool IsPC() { return (mPlatformType == JCS_PlatformType.PC); }
         public bool IsMobile() { return (mPlatformType == JCS_PlatformType.MOBILE); }

Assets/JCSUnity/Scripts/UI/Dropdown/JCS_DropdownLanguage.cs

@@ -78,6 +78,9 @@ public void Refresh(bool removeAllOptions)
             if (removeAllOptions)
                 ClearOptions();
 
+            if (mOptions.Count == 0)
+                return;
+
             foreach (SystemLanguage option in mOptions)
             {
                 string text = JCS_Locale.SystemLangToString(option);
@@ -87,7 +90,9 @@ public void Refresh(bool removeAllOptions)
 
             // Default to the current windowed mode.
             {
-                string text = JCS_Locale.SystemLangToString(JCS_AppManager.FirstInstance().systemLanguage);
+                SystemLanguage lang = JCS_AppManager.FirstInstance().systemLanguage;
+
+                string text = JCS_Locale.SystemLangToString(lang);
 
                 JCS_UIUtil.Dropdown_SetSelection(this, text);
             }
@@ -115,6 +120,9 @@ private void OnValueChanged_TMP(TMP_Dropdown dropdown)
         }
         private void OnValueChanged(string text)
         {
+            if (mOptions.Count == 0)
+                return;
+
             SystemLanguage selected = JCS_Locale.StringToSystemLang(text);
 
             JCS_AppManager.FirstInstance().systemLanguage = selected;