(e6b42e134) Display the "language changed, restart required" message box using the default font for the selected language

Barotrauma/BarotraumaClient/Source/GUI/GUIStyle.cs

@@ -12,6 +12,10 @@ namespace Barotrauma
 
         private XElement configElement;
 
+        private GraphicsDevice graphicsDevice;
+
+        private ScalableFont defaultFont;
+
         public ScalableFont Font { get; private set; }
         public ScalableFont SmallFont { get; private set; }
         public ScalableFont LargeFont { get; private set; }
@@ -27,6 +31,7 @@ namespace Barotrauma
             
         public GUIStyle(string file, GraphicsDevice graphicsDevice)
         {
+            this.graphicsDevice = graphicsDevice;
             componentStyles = new Dictionary<string, GUIComponentStyle>();
 
             GameMain.Instance.OnResolutionChanged += () => { RescaleFonts(); };
@@ -82,6 +87,26 @@ namespace Barotrauma
             }
         }
 
+        /// <summary>
+        /// Returns the default font of the currently selected language
+        /// </summary>
+        public ScalableFont LoadCurrentDefaultFont()
+        {
+            defaultFont?.Dispose();
+            defaultFont = null;
+            foreach (XElement subElement in configElement.Elements())
+            {
+                switch (subElement.Name.ToString().ToLowerInvariant())
+                {
+                    case "font":
+                        defaultFont = LoadFont(subElement, graphicsDevice);
+                        break;
+                }
+            }
+            return defaultFont;
+        }
+
+
         private void RescaleFonts()
         {
             foreach (XElement subElement in configElement.Elements())

Barotrauma/BarotraumaClient/Source/GameSettings.cs

@@ -140,11 +140,15 @@ namespace Barotrauma
                 string newLanguage = obj as string;
                 if (newLanguage == Language) return true;
                 
-                UnsavedSettings = true;
                 Language = newLanguage;
                 ApplySettings();
 
-                new GUIMessageBox(TextManager.Get("RestartRequiredLabel"), TextManager.Get("RestartRequiredLanguage"));
+                var msgBox = new GUIMessageBox(TextManager.Get("RestartRequiredLabel"), TextManager.Get("RestartRequiredLanguage"));
+                //change fonts to the default font of the new language to make sure
+                //they can be displayed when for example changing from English to Chinese
+                var defaultFont = GUI.Style.LoadCurrentDefaultFont();
+                msgBox.Header.Font = defaultFont;
+                msgBox.Text.Font = defaultFont;
 
                 return true;
             };