Add fallback settings to CSharp

Source/Editor/Content/Create/CreateFilesDialog.cs

@@ -39,7 +39,7 @@ namespace FlaxEditor.Content.Create
                 AnchorPreset = AnchorPresets.HorizontalStretchTop,
                 Offsets = new Margin(0, 0, 0, 40),
                 Parent = this,
-                Font = new MultiFontReference(Style.Current.FontTitle)
+                Font = new FontReference(Style.Current.FontTitle)
             };
             var infoLabel = new Label
             {

Source/Editor/Content/Import/ImportFilesDialog.cs

@@ -60,7 +60,7 @@ namespace FlaxEditor.Content.Import
                 AnchorPreset = AnchorPresets.HorizontalStretchTop,
                 Offsets = new Margin(0, 0, 0, 40),
                 Parent = this,
-                Font = new MultiFontReference(Style.Current.FontTitle)
+                Font = new FontReference(Style.Current.FontTitle)
             };
             var infoLabel = new Label
             {

Source/Editor/CustomEditors/Dedicated/RagdollEditor.cs

@@ -81,7 +81,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 // Title
                 var title = new Label(2, 2, width - 4, 23.0f)
                 {
-                    Font = new MultiFontReference(FlaxEngine.GUI.Style.Current.FontLarge),
+                    Font = new FontReference(FlaxEngine.GUI.Style.Current.FontLarge),
                     Text = "Ragdoll Options",
                     Parent = this
                 };

Source/Editor/CustomEditors/Dedicated/ScriptsEditor.cs

@@ -43,7 +43,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
 
             // Add script button
             var buttonText = "Add script";
-            var textSize = Style.Current.FontMedium.MeasureText(buttonText);
+            var textSize = Render2D.MeasureText(Style.Current.FontMedium, buttonText);
             float addScriptButtonWidth = (textSize.X < 60.0f) ? 60.0f : textSize.X + 4;
             var buttonHeight = (textSize.Y < 18) ? 18 : textSize.Y + 4;
             _addScriptsButton = new Button

Source/Editor/CustomEditors/Dedicated/UIControlEditor.cs

@@ -239,7 +239,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 // Title
                 var title = new Label(2, 2, DialogWidth - 4, TitleHeight)
                 {
-                    Font = new MultiFontReference(style.FontLarge),
+                    Font = new FontReference(style.FontLarge),
                     Text = "Anchor Presets",
                     Parent = this
                 };
@@ -247,7 +247,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 // Info
                 var info = new Label(0, title.Bottom, DialogWidth, InfoHeight)
                 {
-                    Font = new MultiFontReference(style.FontSmall),
+                    Font = new FontReference(style.FontSmall),
                     Text = "Shift: also set bounds\nControl: also set pivot",
                     Parent = this
                 };
@@ -423,7 +423,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
             // Set control type button
             var space = layout.Space(20);
             var buttonText = "Set Type";
-            var textSize = FlaxEngine.GUI.Style.Current.FontMedium.MeasureText(buttonText);
+            var textSize = Render2D.MeasureText(FlaxEngine.GUI.Style.Current.FontMedium, buttonText);
             float setTypeButtonWidth = (textSize.X < 60.0f) ? 60.0f : textSize.X + 4;
             var setTypeButton = new Button
             {

Source/Editor/CustomEditors/Editors/ActorTransformEditor.cs

@@ -101,7 +101,7 @@ namespace FlaxEditor.CustomEditors.Editors
                 _linkButton.Clicked += ToggleLink;
                 ToggleEnabled();
                 SetLinkStyle();
-                var textSize = FlaxEngine.GUI.Style.Current.FontMedium.MeasureText(LinkedLabel.Text.Value);
+                var textSize = Render2D.MeasureText(FlaxEngine.GUI.Style.Current.FontMedium, LinkedLabel.Text.Value);
                 _linkButton.LocalX += textSize.X + 10;
                 LinkedLabel.SetupContextMenu += (label, menu, editor) =>
                 {

Source/Editor/CustomEditors/Editors/TagEditor.cs

@@ -631,7 +631,7 @@ namespace FlaxEditor.CustomEditors.Editors
                 TooltipText = "Edit...",
                 Parent = _label,
             };
-            var textSize = FlaxEngine.GUI.Style.Current.FontMedium.MeasureText(buttonText);
+            var textSize = Render2D.MeasureText(FlaxEngine.GUI.Style.Current.FontMedium, buttonText);
             if (textSize.Y > button.Width)
                 button.Width = textSize.Y + 2;
 

Source/Editor/CustomEditors/LayoutElementsContainer.cs

@@ -276,7 +276,7 @@ namespace FlaxEditor.CustomEditors
         public LabelElement Header(string text)
         {
             var element = Label(text);
-            element.Label.Font = new MultiFontReference(Style.Current.FontLarge);
+            element.Label.Font = new FontReference(Style.Current.FontLarge);
             return element;
         }
 
@@ -284,7 +284,7 @@ namespace FlaxEditor.CustomEditors
         {
             var element = Header(header.Text);
             if (header.FontSize != -1)
-                element.Label.Font = new MultiFontReference(element.Label.Font, header.FontSize);
+                element.Label.Font = new FontReference(element.Label.Font.Font, header.FontSize);
             if (header.Color != 0)
                 element.Label.TextColor = Color.FromRGBA(header.Color);
             return element;

Source/Editor/GUI/ColumnDefinition.cs

@@ -35,7 +35,7 @@ namespace FlaxEditor.GUI
         /// <summary>
         /// The title font.
         /// </summary>
-        public MultiFont TitleFont;
+        public Font TitleFont;
 
         /// <summary>
         /// The column title text color.

Source/Editor/GUI/ComboBox.cs

@@ -191,7 +191,7 @@ namespace FlaxEditor.GUI
         /// Gets or sets the font used to draw text.
         /// </summary>
         [EditorDisplay("Style"), EditorOrder(2000)]
-        public MultiFontReference Font { get; set; }
+        public FontReference Font { get; set; }
 
         /// <summary>
         /// Gets or sets the color of the text.
@@ -273,7 +273,7 @@ namespace FlaxEditor.GUI
             MaximumItemsInViewCount = 20;
 
             var style = Style.Current;
-            Font = new MultiFontReference(style.FontMedium);
+            Font = new FontReference(style.FontMedium);
             TextColor = style.Foreground;
             BackgroundColor = style.BackgroundNormal;
             BackgroundColorHighlighted = BackgroundColor;
@@ -554,7 +554,7 @@ namespace FlaxEditor.GUI
                 var textRect = new Rectangle(margin, 0, clientRect.Width - boxSize - 2.0f * margin, clientRect.Height);
                 Render2D.PushClip(textRect);
                 var textColor = TextColor;
-                Render2D.DrawText(Font.GetMultiFont(), text, textRect, enabled ? textColor : textColor * 0.5f, TextAlignment.Near, TextAlignment.Center, TextWrapping.NoWrap, 1.0f, textScale);
+                Render2D.DrawText(Font.GetFont(), text, textRect, enabled ? textColor : textColor * 0.5f, TextAlignment.Near, TextAlignment.Center, TextWrapping.NoWrap, 1.0f, textScale);
                 Render2D.PopClip();
             }
 

Source/Editor/GUI/ContextMenu/ContextMenuButton.cs

@@ -236,9 +236,9 @@ namespace FlaxEditor.GUI.ContextMenu
                 float width = 20;
                 if (style.FontMedium)
                 {
-                    width += style.FontMedium.MeasureText(Text).X;
+                    width += Render2D.MeasureText(style.FontMedium, Text).X;
                     if (!string.IsNullOrEmpty(ShortKeys))
-                        width += 40 + style.FontMedium.MeasureText(ShortKeys).X;
+                        width += 40 + Render2D.MeasureText(style.FontMedium, ShortKeys).X;
                 }
 
                 return Mathf.Max(width, base.MinimumWidth);

Source/Editor/GUI/CurveEditor.cs

@@ -317,7 +317,7 @@ namespace FlaxEditor.GUI
         private Color _contentsColor;
         private Color _linesColor;
         private Color _labelsColor;
-        private MultiFont _labelsFont;
+        private Font _labelsFont;
 
         /// <summary>
         /// The keyframe UI points.

Source/Editor/GUI/Docking/DockWindow.cs

@@ -489,7 +489,7 @@ namespace FlaxEditor.GUI.Docking
             {
                 var style = Style.Current;
                 if (style?.FontMedium != null)
-                    _titleSize = style.FontMedium.MeasureText(_title);
+                    _titleSize = Render2D.MeasureText(style.FontMedium, _title);
             }
 
             base.PerformLayoutBeforeChildren();

Source/Editor/GUI/MainMenu.cs

@@ -76,7 +76,7 @@ namespace FlaxEditor.GUI
 
                 var windowIcon = FlaxEngine.Content.LoadAsyncInternal<Texture>(EditorAssets.WindowIcon);
                 FontAsset windowIconsFont = FlaxEngine.Content.LoadAsyncInternal<FontAsset>(EditorAssets.WindowIconsFont);
-                MultiFont iconFont = new MultiFontReference([windowIconsFont], 9).GetMultiFont();
+                Font iconFont = windowIconsFont?.CreateFont(9);
 
                 _window = mainWindow.RootWindow.Window;
                 _window.HitTest += OnHitTest;
@@ -108,7 +108,7 @@ namespace FlaxEditor.GUI
                 _closeButton = new Button
                 {
                     Text = ((char)EditorAssets.SegMDL2Icons.ChromeClose).ToString(),
-                    Font = new MultiFontReference(iconFont),
+                    Font = new FontReference(iconFont),
                     BackgroundColor = Color.Transparent,
                     BorderColor = Color.Transparent,
                     BorderColorHighlighted = Color.Transparent,
@@ -124,7 +124,7 @@ namespace FlaxEditor.GUI
                 _minimizeButton = new Button
                 {
                     Text = ((char)EditorAssets.SegMDL2Icons.ChromeMinimize).ToString(),
-                    Font = new MultiFontReference(iconFont),
+                    Font = new FontReference(iconFont),
                     BackgroundColor = Color.Transparent,
                     BorderColor = Color.Transparent,
                     BorderColorHighlighted = Color.Transparent,
@@ -139,7 +139,7 @@ namespace FlaxEditor.GUI
                 _maximizeButton = new Button
                 {
                     Text = ((char)(_window.IsMaximized ? EditorAssets.SegMDL2Icons.ChromeRestore : EditorAssets.SegMDL2Icons.ChromeMaximize)).ToString(),
-                    Font = new MultiFontReference(iconFont),
+                    Font = new FontReference(iconFont),
                     BackgroundColor = Color.Transparent,
                     BorderColor = Color.Transparent,
                     BorderColorHighlighted = Color.Transparent,

Source/Editor/GUI/MainMenuButton.cs

@@ -103,7 +103,7 @@ namespace FlaxEditor.GUI
             float width = 18;
 
             if (style.FontMedium)
-                width += style.FontMedium.MeasureText(Text).X;
+                width += Render2D.MeasureText(style.FontMedium, Text).X;
 
             Width = width;
         }

Source/Editor/GUI/NavigationButton.cs

@@ -68,7 +68,7 @@ namespace FlaxEditor.GUI
 
             if (style.FontMedium)
             {
-                Width = style.FontMedium.MeasureText(Text).X + 2 * DefaultMargin;
+                Width = Render2D.MeasureText(style.FontMedium, Text).X + 2 * DefaultMargin;
             }
         }
     }

Source/Editor/GUI/Row.cs

@@ -39,8 +39,8 @@ namespace FlaxEditor.GUI
         {
             Depth = -1;
 
-            if (Height < Style.Current.FontMedium.MaxHeight)
+            if (Height < Style.Current.FontMedium.Height)
-                Height = Style.Current.FontMedium.MaxHeight + 4;
+                Height = Style.Current.FontMedium.Height + 4;
         }
 
         /// <inheritdoc />

Source/Editor/GUI/Timeline/Tracks/MemberTrack.cs

@@ -345,7 +345,7 @@ namespace FlaxEditor.GUI.Timeline.Tracks
             if (_previewValue != null)
             {
                 // Based on Track.Draw for track text placement
-                var left = _xOffset + 16 + Style.Current.FontSmall.MeasureText(Title ?? Name).X;
+                var left = _xOffset + 16 + Render2D.MeasureText(Style.Current.FontSmall, Title ?? Name).X;
                 if (Icon.IsValid)
                     left += 18;
                 if (IsExpanded)

Source/Editor/GUI/ToolStripButton.cs

@@ -152,7 +152,7 @@ namespace FlaxEditor.GUI
             if (hasSprite)
                 width += iconSize;
             if (!string.IsNullOrEmpty(_text) && style.FontMedium)
-                width += style.FontMedium.MeasureText(_text).X + (hasSprite ? DefaultMargin : 0);
+                width += Render2D.MeasureText(style.FontMedium, _text).X + (hasSprite ? DefaultMargin : 0);
 
             Width = width;
         }

Source/Editor/GUI/Tree/TreeNode.cs

@@ -115,7 +115,7 @@ namespace FlaxEditor.GUI.Tree
         /// Gets or sets the font used to render text.
         /// </summary>
         [EditorDisplay("Style"), EditorOrder(2000)]
-        public MultiFontReference TextFont { get; set; }
+        public FontReference TextFont { get; set; }
 
         /// <summary>
         /// Gets or sets the color of the background when tree node is selected.
@@ -318,7 +318,7 @@ namespace FlaxEditor.GUI.Tree
             BackgroundColorSelected = style.BackgroundSelected;
             BackgroundColorHighlighted = style.BackgroundHighlighted;
             BackgroundColorSelectedUnfocused = style.LightBackground;
-            TextFont = new MultiFontReference(style.FontSmall);
+            TextFont = new FontReference(style.FontSmall);
         }
 
         /// <summary>
@@ -573,10 +573,10 @@ namespace FlaxEditor.GUI.Tree
         {
             if (_textChanged)
             {
-                var font = TextFont.GetMultiFont();
+                var font = TextFont.GetFont();
                 if (font)
                 {
-                    _textWidth = font.MeasureText(_text).X;
+                    _textWidth = Render2D.MeasureText(font, _text).X;
                     _textChanged = false;
                 }
             }
@@ -657,7 +657,7 @@ namespace FlaxEditor.GUI.Tree
             }
 
             // Draw text
-            Render2D.DrawText(TextFont.GetMultiFont(), _text, textRect, _cachedTextColor, TextAlignment.Near, TextAlignment.Center);
+            Render2D.DrawText(TextFont.GetFont(), _text, textRect, _cachedTextColor, TextAlignment.Near, TextAlignment.Center);
 
             // Draw drag and drop effect
             if (IsDragOver && _tree.DraggedOverNode == this)

Source/Editor/Options/InterfaceOptions.cs

@@ -171,8 +171,10 @@ namespace FlaxEditor.Options
             get => _outputLogFont;
             set
             {
-                if (value == null || !value.Font)
+                if (value == null)
-                    _outputLogFont = new FontReference(ConsoleFont, 10);
+                    _outputLogFont = new FontReference(FlaxEngine.Content.LoadAsyncInternal<FontAsset>(EditorAssets.InconsolataRegularFont), 10);
+                else if (!value.Font)
+                    _outputLogFont.Font = FlaxEngine.Content.LoadAsyncInternal<FontAsset>(EditorAssets.InconsolataRegularFont);
                 else
                     _outputLogFont = value;
             }
@@ -234,30 +236,34 @@ namespace FlaxEditor.Options
         [EditorDisplay("Cook & Run"), EditorOrder(500)]
         public int NumberOfGameClientsToLaunch = 1;
 
-        private static FontAsset[] DefaultFonts =>
+        private static FontAsset DefaultFont => FlaxEngine.Content.LoadAsyncInternal<FontAsset>(EditorAssets.PrimaryFont);
-            [FlaxEngine.Content.LoadAsyncInternal<FontAsset>(EditorAssets.PrimaryFont),
-                FlaxEngine.Content.LoadAsyncInternal<FontAsset>(EditorAssets.CjkFont)];
 
         private static FontAsset ConsoleFont => FlaxEngine.Content.LoadAsyncInternal<FontAsset>(EditorAssets.PrimaryFont);
 
-        private MultiFontReference _titleFont = new MultiFontReference(DefaultFonts, 18);
+        private FontReference _titleFont = new FontReference(DefaultFont, 18);
-        private MultiFontReference _largeFont = new MultiFontReference(DefaultFonts, 14);
+        private FontReference _largeFont = new FontReference(DefaultFont, 14);
-        private MultiFontReference _mediumFont = new MultiFontReference(DefaultFonts, 9);
+        private FontReference _mediumFont = new FontReference(DefaultFont, 9);
-        private MultiFontReference _smallFont = new MultiFontReference(DefaultFonts, 9);
+        private FontReference _smallFont = new FontReference(DefaultFont, 9);
         private FontReference _outputLogFont = new FontReference(ConsoleFont, 10);
 
+        /// <summary>
+        /// The fallback fonts.
+        /// </summary>
+        public FontAsset[] Fallbacks = [FlaxEngine.Content.LoadAsyncInternal<FontAsset>(EditorAssets.CjkFont)];
 
         /// <summary>
         /// Gets or sets the title font for editor UI.
         /// </summary>
         [EditorDisplay("Fonts"), EditorOrder(600), Tooltip("The title font for editor UI.")]
-        public MultiFontReference TitleFont
+        public FontReference TitleFont
         {
             get => _titleFont;
             set
             {
-                if (value == null || !value.Verify())
+                if (value == null)
-                    _titleFont = new MultiFontReference(DefaultFonts, 18);
+                    _titleFont = new FontReference(DefaultFont, 18);
+                else if (!value.Font)
+                    _titleFont.Font = DefaultFont;
                 else
                     _titleFont = value;
             }
@@ -267,13 +273,15 @@ namespace FlaxEditor.Options
         /// Gets or sets the large font for editor UI.
         /// </summary>
         [EditorDisplay("Fonts"), EditorOrder(610), Tooltip("The large font for editor UI.")]
-        public MultiFontReference LargeFont
+        public FontReference LargeFont
         {
             get => _largeFont;
             set
             {
-                if (value == null || !value.Verify())
+                if (value == null)
-                    _largeFont = new MultiFontReference(DefaultFonts, 14);
+                    _largeFont = new FontReference(DefaultFont, 14);
+                else if (!value.Font)
+                    _largeFont.Font = DefaultFont;
                 else
                     _largeFont = value;
             }
@@ -283,13 +291,15 @@ namespace FlaxEditor.Options
         /// Gets or sets the medium font for editor UI.
         /// </summary>
         [EditorDisplay("Fonts"), EditorOrder(620), Tooltip("The medium font for editor UI.")]
-        public MultiFontReference MediumFont
+        public FontReference MediumFont
         {
             get => _mediumFont;
             set
             {
-                if (value == null || !value.Verify())
+                if (value == null)
-                    _mediumFont = new MultiFontReference(DefaultFonts, 9);
+                    _mediumFont = new FontReference(DefaultFont, 9);
+                else if (!value.Font)
+                    _mediumFont.Font = DefaultFont;
                 else
                     _mediumFont = value;
             }
@@ -299,13 +309,15 @@ namespace FlaxEditor.Options
         /// Gets or sets the small font for editor UI.
         /// </summary>
         [EditorDisplay("Fonts"), EditorOrder(630), Tooltip("The small font for editor UI.")]
-        public MultiFontReference SmallFont
+        public FontReference SmallFont
         {
             get => _smallFont;
             set
             {
-                if (value == null || !value.Verify())
+                if (value == null)
-                    _smallFont = new MultiFontReference(DefaultFonts, 9);
+                    _smallFont = new FontReference(DefaultFont, 9);
+                else if (!value.Font)
+                    _smallFont.Font = DefaultFont;
                 else
                     _smallFont = value;
             }

Source/Editor/Options/OptionsModule.cs

@@ -217,12 +217,14 @@ namespace FlaxEditor.Options
                 if (styleName == ThemeOptions.LightDefault)
                 {
                     Style.Current = CreateLightStyle();
-                } 
+                }
                 else
                 {
                     Style.Current = CreateDefaultStyle();
                 }
             }
+
+            Render2D.Fallbacks = FallbackFonts.Create(Options.Interface.Fallbacks);
         }
 
         /// <summary>
@@ -259,10 +261,10 @@ namespace FlaxEditor.Options
                 },
 
                 // Fonts
-                FontTitle = options.Interface.TitleFont.GetMultiFont(),
+                FontTitle = options.Interface.TitleFont.GetFont(),
-                FontLarge = options.Interface.LargeFont.GetMultiFont(),
+                FontLarge = options.Interface.LargeFont.GetFont(),
-                FontMedium = options.Interface.MediumFont.GetMultiFont(),
+                FontMedium = options.Interface.MediumFont.GetFont(),
-                FontSmall = options.Interface.SmallFont.GetMultiFont(),
+                FontSmall = options.Interface.SmallFont.GetFont(),
 
                 // Icons
                 ArrowDown = Editor.Icons.ArrowDown12,
@@ -312,10 +314,10 @@ namespace FlaxEditor.Options
                 ProgressNormal = new Color(0.03f, 0.65f, 0.12f, 1f),
 
                 // Fonts
-                FontTitle = options.Interface.TitleFont.GetMultiFont(),
+                FontTitle = options.Interface.TitleFont.GetFont(),
-                FontLarge = options.Interface.LargeFont.GetMultiFont(),
+                FontLarge = options.Interface.LargeFont.GetFont(),
-                FontMedium = options.Interface.MediumFont.GetMultiFont(),
+                FontMedium = options.Interface.MediumFont.GetFont(),
-                FontSmall = options.Interface.SmallFont.GetMultiFont(),
+                FontSmall = options.Interface.SmallFont.GetFont(),
 
                 // Icons
                 ArrowDown = Editor.Icons.ArrowDown12,

Source/Editor/Surface/Archetypes/Animation.StateMachine.cs

@@ -337,7 +337,7 @@ namespace FlaxEditor.Surface.Archetypes
                 _textRect = new Rectangle(Float2.Zero, Size);
 
                 var style = Style.Current;
-                var titleSize = style.FontLarge.MeasureText(Title);
+                var titleSize = Render2D.MeasureText(style.FontLarge, Title);
                 var width = Mathf.Max(100, titleSize.X + 50);
                 Resize(width, 0);
                 titleSize.X += 8.0f;
@@ -1402,7 +1402,7 @@ namespace FlaxEditor.Surface.Archetypes
             {
                 Title = StateTitle;
                 var style = Style.Current;
-                var titleSize = style.FontLarge.MeasureText(Title);
+                var titleSize = Render2D.MeasureText(style.FontLarge, Title);
                 var width = Mathf.Max(100, titleSize.X + 50);
                 Resize(width, 0);
                 titleSize.X += 8.0f;

Source/Editor/Surface/Archetypes/Animation.TransitionEditor.cs

@@ -39,7 +39,7 @@ namespace FlaxEditor.Surface.Archetypes
                 // Title
                 var title = new Label(2, 2, width - 4, 23.0f)
                 {
-                    Font = new MultiFontReference(Style.Current.FontLarge),
+                    Font = new FontReference(Style.Current.FontLarge),
                     Text = transition.SurfaceName,
                     Parent = this
                 };

Source/Editor/Surface/Archetypes/Animation.cs

@@ -77,7 +77,7 @@ namespace FlaxEditor.Surface.Archetypes
                     Title = asset?.ShortName ?? "Animation";
                 
                 var style = Style.Current;
-                Resize(Mathf.Max(230, style.FontLarge.MeasureText(Title).X + 30), 160);
+                Resize(Mathf.Max(230, Render2D.MeasureText(style.FontLarge, Title).X + 30), 160);
             }
 
             /// <inheritdoc />

Source/Editor/Surface/Archetypes/BehaviorTree.cs

@@ -101,7 +101,7 @@ namespace FlaxEditor.Surface.Archetypes
                     _debugRelevant = Behavior.GetNodeDebugRelevancy(instance, behavior);
                     _debugInfo = Behavior.GetNodeDebugInfo(instance, behavior);
                     if (!string.IsNullOrEmpty(_debugInfo))
-                        _debugInfoSize = Style.Current.FontSmall.MeasureText(_debugInfo);
+                        _debugInfoSize = Render2D.MeasureText(Style.Current.FontSmall, _debugInfo);
                 }
             }
 
@@ -488,7 +488,7 @@ namespace FlaxEditor.Surface.Archetypes
                 var height = 0.0f;
                 var titleLabelFont = Style.Current.FontLarge;
                 width = Mathf.Max(width, 100.0f);
-                width = Mathf.Max(width, titleLabelFont.MeasureText(Title).X + 30);
+                width = Mathf.Max(width, Render2D.MeasureText(titleLabelFont, Title).X + 30);
                 if (_debugInfoSize.X > 0)
                 {
                     width = Mathf.Max(width, _debugInfoSize.X + 8.0f);

Source/Editor/Surface/Archetypes/Function.cs

@@ -1407,7 +1407,7 @@ namespace FlaxEditor.Surface.Archetypes
                     // Title
                     var title = new Label(2, 2, width - 4, 23.0f)
                     {
-                        Font = new MultiFontReference(Style.Current.FontLarge),
+                        Font = new FontReference(Style.Current.FontLarge),
                         Text = "Edit function signature",
                         Parent = this
                     };

Source/Editor/Surface/AttributesEditor.cs

@@ -83,7 +83,7 @@ namespace FlaxEditor.Surface
             // Title
             var title = new Label(2, 2, width - 4, 23.0f)
             {
-                Font = new MultiFontReference(Style.Current.FontLarge),
+                Font = new FontReference(Style.Current.FontLarge),
                 Text = "Edit attributes",
                 Parent = this
             };

Source/Editor/Surface/ContextMenu/VisjectCM.cs

@@ -141,7 +141,7 @@ namespace FlaxEditor.Surface.ContextMenu
             };
 
             // Title bar
-            var titleFontReference = new MultiFontReference(Style.Current.FontLarge);
+            var titleFontReference = new FontReference(Style.Current.FontLarge);
             var titleLabel = new Label
             {
                 Width = Width * 0.5f - 8f,

Source/Editor/Surface/ContextMenu/VisjectCMItem.cs

@@ -286,7 +286,7 @@ namespace FlaxEditor.Surface.ContextMenu
             Render2D.DrawText(style.FontSmall, _archetype.Title, textRect, Enabled ? style.Foreground : style.ForegroundDisabled, TextAlignment.Near, TextAlignment.Center);
             if (_archetype.SubTitle != null)
             {
-                var titleLength = style.FontSmall.MeasureText(_archetype.Title).X;
+                var titleLength = Render2D.MeasureText(style.FontSmall, _archetype.Title).X;
                 var subTitleRect = new Rectangle(textRect.X + titleLength, textRect.Y, textRect.Width - titleLength, textRect.Height);
                 Render2D.DrawText(style.FontSmall, _archetype.SubTitle, subTitleRect, style.ForegroundDisabled, TextAlignment.Near, TextAlignment.Center);
             }

Source/Editor/Surface/Elements/InputBox.cs

@@ -1428,7 +1428,7 @@ namespace FlaxEditor.Surface.Elements
 
             if (_defaultValueEditor != null)
             {
-                _defaultValueEditor.Location = new Float2(X + Width + 8 + Style.Current.FontSmall.MeasureText(Text).X, Y);
+                _defaultValueEditor.Location = new Float2(X + Width + 8 + Render2D.MeasureText(Style.Current.FontSmall, Text).X, Y);
             }
         }
 
@@ -1635,7 +1635,7 @@ namespace FlaxEditor.Surface.Elements
             {
                 if (DefaultValueEditors[i].CanUse(this, ref _currentType))
                 {
-                    var bounds = new Rectangle(X + Width + 8 + Style.Current.FontSmall.MeasureText(Text).X, Y, 90, Height);
+                    var bounds = new Rectangle(X + Width + 8 + Render2D.MeasureText(Style.Current.FontSmall, Text).X, Y, 90, Height);
                     _editor = DefaultValueEditors[i];
                     try
                     {

Source/Editor/Surface/SurfaceNode.cs

@@ -200,7 +200,7 @@ namespace FlaxEditor.Surface
                     continue;
                 if (child is InputBox inputBox)
                 {
-                    var boxWidth = boxLabelFont.MeasureText(inputBox.Text).X + 20;
+                    var boxWidth = Render2D.MeasureText(boxLabelFont, inputBox.Text).X + 20;
                     if (inputBox.DefaultValueEditor != null)
                         boxWidth += inputBox.DefaultValueEditor.Width + 4;
                     leftWidth = Mathf.Max(leftWidth, boxWidth);
@@ -208,7 +208,7 @@ namespace FlaxEditor.Surface
                 }
                 else if (child is OutputBox outputBox)
                 {
-                    rightWidth = Mathf.Max(rightWidth, boxLabelFont.MeasureText(outputBox.Text).X + 20);
+                    rightWidth = Mathf.Max(rightWidth, Render2D.MeasureText(boxLabelFont, outputBox.Text).X + 20);
                     rightHeight = Mathf.Max(rightHeight, outputBox.Archetype.Position.Y - Constants.NodeMarginY - Constants.NodeHeaderSize + 20.0f);
                 }
                 else if (child is Control control)
@@ -226,7 +226,7 @@ namespace FlaxEditor.Surface
                 }
             }
             width = Mathf.Max(width, leftWidth + rightWidth + 10);
-            width = Mathf.Max(width, titleLabelFont.MeasureText(Title).X + 30);
+            width = Mathf.Max(width, Render2D.MeasureText(titleLabelFont, Title).X + 30);
             height = Mathf.Max(height, Mathf.Max(leftHeight, rightHeight));
             Resize(width, height);
         }

Source/Editor/Tools/Foliage/FoliageTab.cs

@@ -148,7 +148,7 @@ namespace FlaxEditor.Tools.Foliage
                 Parent = _noFoliagePanel,
                 Enabled = false
             };
-            var textSize = Style.Current.FontMedium.MeasureText(buttonText);
+            var textSize = Render2D.MeasureText(Style.Current.FontMedium, buttonText);
             if (_createNewFoliage.Width < textSize.X)
             {
                 _createNewFoliage.LocalX -= (textSize.X - _createNewFoliage.Width) / 2;

Source/Editor/Tools/Terrain/CarveTab.cs

@@ -106,7 +106,7 @@ namespace FlaxEditor.Tools.Terrain
                 Parent = _noTerrainPanel,
                 Enabled = false
             };
-            var textSize = Style.Current.FontMedium.MeasureText(buttonText);
+            var textSize = Render2D.MeasureText(Style.Current.FontMedium, buttonText);
             if (_createTerrainButton.Width < textSize.X)
             {
                 _createTerrainButton.LocalX -= (textSize.X - _createTerrainButton.Width) / 2;

Source/Editor/Tools/Terrain/CreateTerrainDialog.cs

@@ -96,7 +96,7 @@ namespace FlaxEditor.Tools.Terrain
                 AnchorPreset = AnchorPresets.HorizontalStretchTop,
                 Offsets = new Margin(0, 0, 0, 40),
                 Parent = this,
-                Font = new MultiFontReference(Style.Current.FontTitle)
+                Font = new FontReference(Style.Current.FontTitle)
             };
             var infoLabel = new Label
             {

Source/Editor/Utilities/TextRenderUtils.cs

@@ -0,0 +1,108 @@
+using FlaxEngine.GUI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlaxEngine
+{
+    public static class TextRenderUtils
+    {
+        /// <summary>
+        /// Draws a text using the global fallback defined in styles.
+        /// </summary>
+        /// <param name="font">The font to use.</param>
+        /// <param name="text">The text to render.</param>
+        /// <param name="layoutRect">The size and position of the area in which the text is drawn.</param>
+        /// <param name="color">The text color.</param>
+        /// <param name="horizontalAlignment">The horizontal alignment of the text in a layout rectangle.</param>
+        /// <param name="verticalAlignment">The vertical alignment of the text in a layout rectangle.</param>
+        /// <param name="textWrapping">Describes how wrap text inside a layout rectangle.</param>
+        /// <param name="baseLinesGapScale">The scale for distance one baseline from another. Default is 1.</param>
+        /// <param name="scale">The text drawing scale. Default is 1.</param>
+        public static void DrawTextWithFallback(Font font, string text, Rectangle layoutRect, Color color, TextAlignment horizontalAlignment = TextAlignment.Near, TextAlignment verticalAlignment = TextAlignment.Near, TextWrapping textWrapping = TextWrapping.NoWrap, float baseLinesGapScale = 1.0f, float scale = 1.0f)
+        {
+            var layout = new TextLayoutOptions
+            {
+                Bounds = layoutRect,
+                HorizontalAlignment = horizontalAlignment,
+                VerticalAlignment = verticalAlignment,
+                TextWrapping = textWrapping,
+                Scale = scale,
+                BaseLinesGapScale = baseLinesGapScale,
+            };
+
+
+            Render2D.DrawText(font, Style.Current.Fallbacks, text, color, ref layout);
+        }
+
+        /// <summary>
+        /// Draws a text using the global fallback defined in styles. Given material must have GUI domain and a public parameter named Font (texture parameter used for a font atlas sampling).
+        /// </summary>
+        /// <param name="font">The font to use.</param>
+        /// <param name="customMaterial">Custom material for font characters rendering. It must contain texture parameter named Font used to sample font texture.</param>
+        /// <param name="text">The text to render.</param>
+        /// <param name="layoutRect">The size and position of the area in which the text is drawn.</param>
+        /// <param name="color">The text color.</param>
+        /// <param name="horizontalAlignment">The horizontal alignment of the text in a layout rectangle.</param>
+        /// <param name="verticalAlignment">The vertical alignment of the text in a layout rectangle.</param>
+        /// <param name="textWrapping">Describes how wrap text inside a layout rectangle.</param>
+        /// <param name="baseLinesGapScale">The scale for distance one baseline from another. Default is 1.</param>
+        /// <param name="scale">The text drawing scale. Default is 1.</param>
+        public static void DrawTextWithFallback(Font font, MaterialBase customMaterial, string text, Rectangle layoutRect, Color color, TextAlignment horizontalAlignment = TextAlignment.Near, TextAlignment verticalAlignment = TextAlignment.Near, TextWrapping textWrapping = TextWrapping.NoWrap, float baseLinesGapScale = 1.0f, float scale = 1.0f)
+        {
+            var layout = new TextLayoutOptions
+            {
+                Bounds = layoutRect,
+                HorizontalAlignment = horizontalAlignment,
+                VerticalAlignment = verticalAlignment,
+                TextWrapping = textWrapping,
+                Scale = scale,
+                BaseLinesGapScale = baseLinesGapScale,
+            };
+
+            Render2D.DrawText(font, Style.Current.Fallbacks, text, color, ref layout, customMaterial);
+        }
+
+        public static Float2 MeasureTextWithFallback(Font font, string text)
+        {
+            return font.MeasureText(Style.Current.Fallbacks, text);
+        }
+
+        public static Float2 MeasureTextWithFallback(Font font, string text, ref TextRange textRange)
+        {
+            return font.MeasureText(Style.Current.Fallbacks, text, ref textRange);
+        }
+
+        public static Float2 MeasureTextWithFallback(Font font, string text, ref TextLayoutOptions layout)
+        {
+            return font.MeasureText(Style.Current.Fallbacks, text, ref layout);
+        }
+
+        public static Float2 MeasureTextWithFallback(Font font, string text, ref TextRange textRange, ref TextLayoutOptions layout)
+        {
+            return font.MeasureText(Style.Current.Fallbacks, text, ref textRange, ref layout);
+        }
+
+        public static Float2 GetCharPositionWithFallback(Font font, string text, int index)
+        {
+            return font.GetCharPosition(Style.Current.Fallbacks, text, index);
+        }
+
+        public static Float2 GetCharPositionWithFallback(Font font, string text, ref TextRange textRange, int index)
+        {
+            return font.GetCharPosition(Style.Current.Fallbacks, text, ref textRange, index);
+        }
+
+        public static Float2 GetCharPositionWithFallback(Font font, string text, int index, ref TextLayoutOptions layout)
+        {
+            return font.GetCharPosition(Style.Current.Fallbacks, text, index, ref layout);
+        }
+
+        public static Float2 GetCharPositionWithFallback(Font font, string text, ref TextRange textRange, int index, ref TextLayoutOptions layout)
+        {
+            return font.GetCharPosition(Style.Current.Fallbacks, text, ref textRange, index, ref layout);
+        }
+    }
+}

Source/Editor/Viewport/EditorViewport.cs

@@ -548,9 +548,9 @@ namespace FlaxEditor.Viewport
                 #region Camera settings widget
 
                 var largestText = "Relative Panning";
-                var textSize = Style.Current.FontMedium.MeasureText(largestText);
+                var textSize = Render2D.MeasureText(Style.Current.FontMedium, largestText);
                 var xLocationForExtras = textSize.X + 5;
-                var cameraSpeedTextWidth = Style.Current.FontMedium.MeasureText("0.00").X;
+                var cameraSpeedTextWidth = Render2D.MeasureText(Style.Current.FontMedium, "0.00").X;
 
                 // Camera Settings Widget
                 _cameraWidget = new ViewportWidgetsContainer(ViewportWidgetLocation.UpperRight);
@@ -801,7 +801,7 @@ namespace FlaxEditor.Viewport
                 #region View mode widget
 
                 largestText = "Brightness";
-                textSize = Style.Current.FontMedium.MeasureText(largestText);
+                textSize = Render2D.MeasureText(Style.Current.FontMedium, largestText);
                 xLocationForExtras = textSize.X + 5;
 
                 var viewMode = new ViewportWidgetsContainer(ViewportWidgetLocation.UpperLeft);

Source/Editor/Viewport/Widgets/ViewportWidgetButton.cs

@@ -164,7 +164,7 @@ namespace FlaxEditor.Viewport.Widgets
             var style = Style.Current;
 
             if (style != null && style.FontMedium)
-                Width = CalculateButtonWidth(_forcedTextWidth > 0.0f ? _forcedTextWidth : style.FontMedium.MeasureText(_text).X, Icon.IsValid);
+                Width = CalculateButtonWidth(_forcedTextWidth > 0.0f ? _forcedTextWidth : Render2D.MeasureText(style.FontMedium, _text).X, Icon.IsValid);
         }
     }
 }

Source/Editor/Windows/AboutDialog.cs

@@ -41,7 +41,7 @@ namespace FlaxEditor.Windows
             var nameLabel = new Label(icon.Right + 10, icon.Top, 200, 34)
             {
                 Text = "Flax Engine",
-                Font = new MultiFontReference(Style.Current.FontTitle),
+                Font = new FontReference(Style.Current.FontTitle),
                 HorizontalAlignment = TextAlignment.Near,
                 VerticalAlignment = TextAlignment.Center,
                 Parent = this
@@ -54,7 +54,7 @@ namespace FlaxEditor.Windows
                 Parent = this
             };
             var buttonText = "Copy version info";
-            var fontSize = Style.Current.FontMedium.MeasureText(buttonText);
+            var fontSize = Render2D.MeasureText(Style.Current.FontMedium, buttonText);
             var copyVersionButton = new Button(Width - fontSize.X - 8, 6, fontSize.X + 4, 20)
             {
                 Text = buttonText,

Source/Editor/Windows/Assets/FontWindow.cs

@@ -144,7 +144,7 @@ namespace FlaxEditor.Windows.Assets
         protected override void OnAssetLinked()
         {
             Asset.WaitForLoaded();
-            _textPreview.Font = new MultiFontReference([Asset], 30);
+            _textPreview.Font = new FontReference(Asset, 30);
             _inputText.Text = string.Format("This is a sample text using font {0}.", Asset.FamilyName);
             var options = Asset.Options;
             _proxy.Set(ref options);

Source/Editor/Windows/ContentWindow.Search.cs

@@ -57,7 +57,7 @@ namespace FlaxEditor.Windows
                 var textRect = new Rectangle(margin, 0, clientRect.Width - boxSize - 2.0f * margin, clientRect.Height);
                 Render2D.PushClip(textRect);
                 var textColor = TextColor;
-                Render2D.DrawText(Font.GetMultiFont(), "View", textRect, enabled ? textColor : textColor * 0.5f, TextAlignment.Near, TextAlignment.Center, TextWrapping.NoWrap, 1.0f, textScale);
+                Render2D.DrawText(Font.GetFont(), "View", textRect, enabled ? textColor : textColor * 0.5f, TextAlignment.Near, TextAlignment.Center, TextWrapping.NoWrap, 1.0f, textScale);
                 Render2D.PopClip();
 
                 // Arrow

Source/Editor/Windows/PluginsWindow.cs

@@ -79,7 +79,7 @@ namespace FlaxEditor.Windows
                     HorizontalAlignment = TextAlignment.Near,
                     AnchorPreset = AnchorPresets.HorizontalStretchTop,
                     Text = desc.Name,
-                    Font = new MultiFontReference(Style.Current.FontLarge),
+                    Font = new FontReference(Style.Current.FontLarge),
                     Parent = this,
                     Bounds = new Rectangle(tmp1, margin, Width - tmp1 - margin, 28),
                 };
@@ -120,9 +120,9 @@ namespace FlaxEditor.Windows
                     url = desc.HomepageUrl;
                 else if (!string.IsNullOrEmpty(desc.RepositoryUrl))
                     url = desc.RepositoryUrl;
-                versionLabel.Font.ForEach(x => x.Font.WaitForLoaded());
+                versionLabel.Font.Font.WaitForLoaded();
-                var font = versionLabel.Font.GetMultiFont();
+                var font = versionLabel.Font.GetFont();
-                var authorWidth = font.MeasureText(desc.Author).X + 8;
+                var authorWidth = Render2D.MeasureText(font, desc.Author).X + 8;
                 var authorLabel = new ClickableLabel
                 {
                     HorizontalAlignment = TextAlignment.Far,
@@ -392,7 +392,6 @@ namespace FlaxEditor.Windows
             }
 
             Editor.Log("Plugin project has been cloned.");
-
             try
             {
                 // Start git submodule clone

Source/Editor/Windows/Profiler/Timeline.cs

@@ -86,7 +86,7 @@ namespace FlaxEditor.Windows.Profiler
                 Render2D.DrawRectangle(bounds, color * 0.5f);
 
                 if (_nameLength < 0 && style.FontMedium)
-                    _nameLength = style.FontMedium.MeasureText(_name).X;
+                    _nameLength = Render2D.MeasureText(style.FontMedium, _name).X;
 
                 if (_nameLength < bounds.Width + 4)
                 {

Source/Engine/Render2D/FallbackFonts.h

@@ -39,7 +39,7 @@ public:
     /// <summary>
     /// Combine the primary fonts with the fallback fonts to get a font list
     /// </summary>
-    API_PROPERTY() FORCE_INLINE Array<Font*>& GetFontList(float size) {
+    API_FUNCTION() FORCE_INLINE Array<Font*>& GetFontList(float size) {
         Array<Font*>* result;
         if (_cache.TryGet(size, result)) {
             return *result;

Source/Engine/Render2D/MultiFontReference.cs

@@ -1,74 +0,0 @@
-
-
-using System.Collections.Generic;
-using System.Linq;
-
-namespace FlaxEngine
-{
-    /// <summary>
-    /// Reference to multiple font references
-    /// </summary>
-    public class MultiFontReference : List<FontReference>
-    {
-        public MultiFontReference()
-        {
-            _cachedFont = null;
-        }
-
-        public MultiFontReference(IEnumerable<FontReference> other)
-        {
-            AddRange(other);
-            _cachedFont = null;
-        }
-
-        public MultiFontReference(MultiFontReference other)
-        {
-            AddRange(other);
-            _cachedFont = other._cachedFont;
-        }
-
-        public MultiFontReference(MultiFontReference other, float size)
-        {
-            AddRange(other.Select(x => new FontReference(x) { Size = size }));
-            _cachedFont = null;
-        }
-
-        public MultiFontReference(MultiFont other)
-        {
-            AddRange(other.Fonts.Select(x => new FontReference(x)));
-            _cachedFont = other;
-        }
-
-        public MultiFontReference(FontAsset[] assets, float size)
-        {
-            AddRange(assets.Select(x => new FontReference(x, size)));
-            _cachedFont = null;
-        }
-
-        [EditorOrder(0), Tooltip("The font asset to use as characters source.")]
-        public MultiFont GetMultiFont()
-        {
-            if (_cachedFont)
-                return _cachedFont;
-            var fontList = this.Where(x => x.Font).Select(x => x.GetFont()).ToArray();
-            _cachedFont = MultiFont.Create(fontList);
-            return _cachedFont;
-        }
-
-        public bool Verify()
-        {
-            foreach (var i in this)
-            {
-                if (!i.Font)
-                {
-                    return false;
-                }
-            }
-
-            return true;
-        }
-
-        [NoSerialize]
-        private MultiFont _cachedFont;
-    }
-}

Source/Engine/Render2D/Render2D.cs

@@ -1,11 +1,17 @@
 // Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
 
+using FlaxEngine.GUI;
 using System;
 
 namespace FlaxEngine
 {
     partial class Render2D
     {
+        public static FallbackFonts Fallbacks
+        {
+            get; set;
+        } = null;
+
         /// <summary>
         /// Pushes transformation layer.
         /// </summary>
@@ -111,7 +117,8 @@ namespace FlaxEngine
         /// <param name="textWrapping">Describes how wrap text inside a layout rectangle.</param>
         /// <param name="baseLinesGapScale">The scale for distance one baseline from another. Default is 1.</param>
         /// <param name="scale">The text drawing scale. Default is 1.</param>
-        public static void DrawText(Font font, string text, Rectangle layoutRect, Color color, TextAlignment horizontalAlignment = TextAlignment.Near, TextAlignment verticalAlignment = TextAlignment.Near, TextWrapping textWrapping = TextWrapping.NoWrap, float baseLinesGapScale = 1.0f, float scale = 1.0f)
+        /// <param name="useFallback">Whether to use fallback fonts for chars not renderable by the font.</param>
+        public static void DrawText(Font font, string text, Rectangle layoutRect, Color color, TextAlignment horizontalAlignment = TextAlignment.Near, TextAlignment verticalAlignment = TextAlignment.Near, TextWrapping textWrapping = TextWrapping.NoWrap, float baseLinesGapScale = 1.0f, float scale = 1.0f, bool useFallback = true)
         {
             var layout = new TextLayoutOptions
             {
@@ -122,7 +129,15 @@ namespace FlaxEngine
                 Scale = scale,
                 BaseLinesGapScale = baseLinesGapScale,
             };
-            DrawText(font, text, color, ref layout);
+
+            if (useFallback && Fallbacks != null)
+            {
+                DrawText(font, Fallbacks, text, color, ref layout);
+            }
+            else
+            {
+                DrawText(font, text, color, ref layout);
+            }
         }
 
         /// <summary>
@@ -138,7 +153,8 @@ namespace FlaxEngine
         /// <param name="textWrapping">Describes how wrap text inside a layout rectangle.</param>
         /// <param name="baseLinesGapScale">The scale for distance one baseline from another. Default is 1.</param>
         /// <param name="scale">The text drawing scale. Default is 1.</param>
-        public static void DrawText(Font font, MaterialBase customMaterial, string text, Rectangle layoutRect, Color color, TextAlignment horizontalAlignment = TextAlignment.Near, TextAlignment verticalAlignment = TextAlignment.Near, TextWrapping textWrapping = TextWrapping.NoWrap, float baseLinesGapScale = 1.0f, float scale = 1.0f)
+        /// <param name="useFallback">Whether to use fallback fonts for chars not renderable by the font.</param>
+        public static void DrawText(Font font, MaterialBase customMaterial, string text, Rectangle layoutRect, Color color, TextAlignment horizontalAlignment = TextAlignment.Near, TextAlignment verticalAlignment = TextAlignment.Near, TextWrapping textWrapping = TextWrapping.NoWrap, float baseLinesGapScale = 1.0f, float scale = 1.0f, bool useFallback = true)
         {
             var layout = new TextLayoutOptions
             {
@@ -149,63 +165,63 @@ namespace FlaxEngine
                 Scale = scale,
                 BaseLinesGapScale = baseLinesGapScale,
             };
-            DrawText(font, text, color, ref layout, customMaterial);
+
+            if (useFallback && Fallbacks != null)
+            {
+                DrawText(font, Fallbacks, text, color, ref layout, customMaterial);
+            }
+            else
+            {
+                DrawText(font, text, color, ref layout, customMaterial);
+            }
         }
 
-        /// <summary>
+        public static Float2 MeasureText(Font font, string text, bool useFallback = true)
-        /// Draws a text.
-        /// </summary>
-        /// <param name="fonts">The fonts to use, ordered by priority.</param>
-        /// <param name="text">The text to render.</param>
-        /// <param name="layoutRect">The size and position of the area in which the text is drawn.</param>
-        /// <param name="color">The text color.</param>
-        /// <param name="horizontalAlignment">The horizontal alignment of the text in a layout rectangle.</param>
-        /// <param name="verticalAlignment">The vertical alignment of the text in a layout rectangle.</param>
-        /// <param name="textWrapping">Describes how wrap text inside a layout rectangle.</param>
-        /// <param name="baseLinesGapScale">The scale for distance one baseline from another. Default is 1.</param>
-        /// <param name="scale">The text drawing scale. Default is 1.</param>
-        public static void DrawText(MultiFont fonts, string text, Rectangle layoutRect, Color color, TextAlignment horizontalAlignment = TextAlignment.Near, TextAlignment verticalAlignment = TextAlignment.Near, TextWrapping textWrapping = TextWrapping.NoWrap, float baseLinesGapScale = 1.0f, float scale = 1.0f)
         {
-            var layout = new TextLayoutOptions
+            if (useFallback && Fallbacks != null)
             {
-                Bounds = layoutRect,
+                return font.MeasureText(Style.Current.Fallbacks, text);
-                HorizontalAlignment = horizontalAlignment,
+            }
-                VerticalAlignment = verticalAlignment,
+            else
-                TextWrapping = textWrapping,
+            {
-                Scale = scale,
+                return font.MeasureText(text);
-                BaseLinesGapScale = baseLinesGapScale,
+            }
-            };
-
-            
-            DrawText(fonts, text, color, ref layout);
         }
 
-        /// <summary>
+        public static Float2 MeasureText(Font font, string text, ref TextRange textRange, bool useFallback = true)
-        /// Draws a text using a custom material shader. Given material must have GUI domain and a public parameter named Font (texture parameter used for a font atlas sampling).
-        /// </summary>
-        /// <param name="fonts">The fonts to use, ordered by priority.</param>
-        /// <param name="customMaterial">Custom material for font characters rendering. It must contain texture parameter named Font used to sample font texture.</param>
-        /// <param name="text">The text to render.</param>
-        /// <param name="layoutRect">The size and position of the area in which the text is drawn.</param>
-        /// <param name="color">The text color.</param>
-        /// <param name="horizontalAlignment">The horizontal alignment of the text in a layout rectangle.</param>
-        /// <param name="verticalAlignment">The vertical alignment of the text in a layout rectangle.</param>
-        /// <param name="textWrapping">Describes how wrap text inside a layout rectangle.</param>
-        /// <param name="baseLinesGapScale">The scale for distance one baseline from another. Default is 1.</param>
-        /// <param name="scale">The text drawing scale. Default is 1.</param>
-        public static void DrawText(MultiFont fonts, MaterialBase customMaterial, string text, Rectangle layoutRect, Color color, TextAlignment horizontalAlignment = TextAlignment.Near, TextAlignment verticalAlignment = TextAlignment.Near, TextWrapping textWrapping = TextWrapping.NoWrap, float baseLinesGapScale = 1.0f, float scale = 1.0f)
         {
-            var layout = new TextLayoutOptions
+            if (useFallback && Fallbacks != null)
             {
-                Bounds = layoutRect,
+                return font.MeasureText(Style.Current.Fallbacks, text, ref textRange);
-                HorizontalAlignment = horizontalAlignment,
+            }
-                VerticalAlignment = verticalAlignment,
+            else
-                TextWrapping = textWrapping,
+            {
-                Scale = scale,
+                return font.MeasureText(text, ref textRange);
-                BaseLinesGapScale = baseLinesGapScale,
+            }
-            };
+        }
 
-            DrawText(fonts, text, color, ref layout, customMaterial);
+        public static Float2 MeasureText(Font font, string text, ref TextLayoutOptions layout, bool useFallback = true)
+        {
+            if (useFallback && Fallbacks != null)
+            {
+                return font.MeasureText(Style.Current.Fallbacks, text, ref layout);
+            }
+            else
+            {
+                return font.MeasureText(text, ref layout);
+            }
+        }
+
+        public static Float2 MeasureText(Font font, string text, ref TextRange textRange, ref TextLayoutOptions layout, bool useFallback = true)
+        {
+            if (useFallback && Fallbacks != null)
+            {
+                return font.MeasureText(Style.Current.Fallbacks, text, ref textRange, ref layout);
+            }
+            else
+            {
+                return font.MeasureText(text, ref textRange, ref layout);
+            }
         }
 
         /// <summary>

Source/Engine/Scripting/Scripting.cs

@@ -294,12 +294,12 @@ namespace FlaxEngine
             style.DragWindow = style.BackgroundSelected * 0.7f;
 
             // Use optionally bundled default font (matches Editor)
-            FontAsset[] defaultFont = [Content.LoadAsyncInternal<FontAsset>("Editor/Fonts/Roboto-Regular"), Content.LoadAsyncInternal<FontAsset>("Editor/Fonts/NotoSansSC-Regular")];
+            FontAsset defaultFont = Content.LoadAsyncInternal<FontAsset>("Editor/Fonts/Roboto-Regular");
 
-            style.FontTitle = new MultiFontReference(defaultFont, 18).GetMultiFont();
+            style.FontTitle = new FontReference(defaultFont, 18).GetFont();
-            style.FontLarge = new MultiFontReference(defaultFont, 14).GetMultiFont();
+            style.FontLarge = new FontReference(defaultFont, 14).GetFont();
-            style.FontMedium = new MultiFontReference(defaultFont, 9).GetMultiFont();
+            style.FontMedium = new FontReference(defaultFont, 9).GetFont();
-            style.FontSmall = new MultiFontReference(defaultFont, 9).GetMultiFont();
+            style.FontSmall = new FontReference(defaultFont, 9).GetFont();
 
             Style.Current = style;
         }

Source/Engine/UI/GUI/Common/Button.cs

@@ -23,7 +23,7 @@ namespace FlaxEngine.GUI
         /// <summary>
         /// The font.
         /// </summary>
-        protected MultiFontReference _font;
+        protected FontReference _font;
 
         /// <summary>
         /// The text.
@@ -44,7 +44,7 @@ namespace FlaxEngine.GUI
         /// Gets or sets the font used to draw button text.
         /// </summary>
         [EditorDisplay("Text Style"), EditorOrder(2022), ExpandGroups]
-        public MultiFontReference Font
+        public FontReference Font
         {
             get => _font;
             set => _font = value;
@@ -156,7 +156,7 @@ namespace FlaxEngine.GUI
             var style = Style.Current;
             if (style != null)
             {
-                _font = new MultiFontReference(style.FontMedium);
+                _font = new FontReference(style.FontMedium);
                 TextColor = style.Foreground;
                 BackgroundColor = style.BackgroundNormal;
                 BorderColor = style.BorderNormal;
@@ -262,7 +262,7 @@ namespace FlaxEngine.GUI
                 Render2D.DrawRectangle(clientRect, borderColor, BorderThickness);
 
             // Draw text
-            Render2D.DrawText(_font?.GetMultiFont(), TextMaterial, _text, clientRect, textColor, TextAlignment.Center, TextAlignment.Center);
+            Render2D.DrawText(_font?.GetFont(), TextMaterial, _text, clientRect, textColor, TextAlignment.Center, TextAlignment.Center);
         }
 
         /// <inheritdoc />

Source/Engine/UI/GUI/Common/Dropdown.cs

@@ -278,7 +278,7 @@ namespace FlaxEngine.GUI
         /// Gets or sets the font used to draw text.
         /// </summary>
         [EditorDisplay("Text Style"), EditorOrder(2021)]
-        public MultiFontReference Font { get; set; }
+        public FontReference Font { get; set; }
 
         /// <summary>
         /// Gets or sets the custom material used to render the text. It must has domain set to GUI and have a public texture parameter named Font used to sample font atlas texture with font characters data.
@@ -359,7 +359,7 @@ namespace FlaxEngine.GUI
         : base(0, 0, 120, 18.0f)
         {
             var style = Style.Current;
-            Font = new MultiFontReference(style.FontMedium);
+            Font = new FontReference(style.FontMedium);
             TextColor = style.Foreground;
             BackgroundColor = style.BackgroundNormal;
             BackgroundColorHighlighted = BackgroundColor;
@@ -476,7 +476,7 @@ namespace FlaxEngine.GUI
             var font = Font.GetFont();
             for (int i = 0; i < _items.Count; i++)
             {
-                itemsWidth = Mathf.Max(itemsWidth, itemsMargin + 4 + font.MeasureText(_items[i]).X);
+                itemsWidth = Mathf.Max(itemsWidth, itemsMargin + 4 + Render2D.MeasureText(font, _items[i]).X);
             }
             */
             var itemsWidth = Width;
@@ -674,7 +674,7 @@ namespace FlaxEngine.GUI
                 var textRect = new Rectangle(margin, 0, clientRect.Width - boxSize - 2.0f * margin, clientRect.Height);
                 Render2D.PushClip(textRect);
                 var textColor = TextColor;
-                Render2D.DrawText(Font.GetMultiFont(), FontMaterial, _items[_selectedIndex], textRect, enabled ? textColor : textColor * 0.5f, TextAlignment.Near, TextAlignment.Center);
+                Render2D.DrawText(Font.GetFont(), FontMaterial, _items[_selectedIndex], textRect, enabled ? textColor : textColor * 0.5f, TextAlignment.Near, TextAlignment.Center);
                 Render2D.PopClip();
             }
 

Source/Engine/UI/GUI/Common/Label.cs

@@ -26,7 +26,7 @@ namespace FlaxEngine.GUI
         /// <summary>
         /// The font.
         /// </summary>
-        protected MultiFontReference _font;
+        protected FontReference _font;
 
         /// <summary>
         /// Gets or sets the text.
@@ -86,7 +86,7 @@ namespace FlaxEngine.GUI
         /// Gets or sets the font.
         /// </summary>
         [EditorDisplay("Text Style"), EditorOrder(2024)]
-        public MultiFontReference Font
+        public FontReference Font
         {
             get => _font;
             set
@@ -192,7 +192,7 @@ namespace FlaxEngine.GUI
         {
             AutoFocus = false;
             var style = Style.Current;
-            Font = new MultiFontReference(style.FontMedium);
+            Font = new FontReference(style.FontMedium);
             TextColor = style.Foreground;
             TextColorHighlighted = style.Foreground;
         }
@@ -203,7 +203,7 @@ namespace FlaxEngine.GUI
         {
             AutoFocus = false;
             var style = Style.Current;
-            Font = new MultiFontReference(style.FontMedium);
+            Font = new FontReference(style.FontMedium);
             TextColor = style.Foreground;
             TextColorHighlighted = style.Foreground;
         }
@@ -235,7 +235,7 @@ namespace FlaxEngine.GUI
                 }
             }
 
-            Render2D.DrawText(_font.GetMultiFont(), Material, _text, rect, color, hAlignment, wAlignment, Wrapping, BaseLinesGapScale, scale);
+            Render2D.DrawText(_font.GetFont(), Material, _text, rect, color, hAlignment, wAlignment, Wrapping, BaseLinesGapScale, scale);
 
             if (ClipText)
                 Render2D.PopClip();
@@ -246,7 +246,7 @@ namespace FlaxEngine.GUI
         {
             if (_autoWidth || _autoHeight || _autoFitText)
             {
-                var font = _font.GetMultiFont();
+                var font = _font.GetFont();
                 if (font)
                 {
                     // Calculate text size
@@ -256,7 +256,7 @@ namespace FlaxEngine.GUI
                         layout.Bounds.Size.X = Width - Margin.Width;
                     else if (_autoWidth && !_autoHeight)
                         layout.Bounds.Size.Y = Height - Margin.Height;
-                    _textSize = font.MeasureText(_text, ref layout);
+                    _textSize = Render2D.MeasureText(font, _text, ref layout);
                     _textSize.Y *= BaseLinesGapScale;
 
                     // Check if size is controlled via text

Source/Engine/UI/GUI/Common/RichTextBox.cs

@@ -46,7 +46,7 @@ namespace FlaxEngine.GUI
             var style = Style.Current;
             _textStyle = new TextBlockStyle
             {
-                Font = new FontReference(style.FontMedium.Fonts.First()),
+                Font = new FontReference(style.FontMedium),
                 Color = style.Foreground,
                 BackgroundSelectedBrush = new SolidColorBrush(style.BackgroundSelected),
             };

Source/Engine/UI/GUI/Common/TextBox.cs

@@ -1,5 +1,6 @@
 // Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
 
+using System.Drawing;
 using System.Linq;
 
 namespace FlaxEngine.GUI
@@ -40,7 +41,7 @@ namespace FlaxEngine.GUI
         /// Gets or sets the font.
         /// </summary>
         [EditorDisplay("Text Style"), EditorOrder(2024)]
-        public MultiFontReference Font { get; set; }
+        public FontReference Font { get; set; }
 
         /// <summary>
         /// Gets or sets the custom material used to render the text. It must has domain set to GUI and have a public texture parameter named Font used to sample font atlas texture with font characters data.
@@ -90,7 +91,7 @@ namespace FlaxEngine.GUI
             _layout.Bounds = new Rectangle(DefaultMargin, 1, Width - 2 * DefaultMargin, Height - 2);
 
             var style = Style.Current;
-            Font = new MultiFontReference(style.FontMedium);
+            Font = new FontReference(style.FontMedium);
             TextColor = style.Foreground;
             WatermarkTextColor = style.ForegroundDisabled;
             SelectionColor = style.BackgroundSelected;
@@ -99,33 +100,33 @@ namespace FlaxEngine.GUI
         /// <inheritdoc />
         public override Float2 GetTextSize()
         {
-            var font = Font.GetMultiFont();
+            var font = Font.GetFont();
             if (font == null)
             {
                 return Float2.Zero;
             }
 
-            return font.MeasureText(_text, ref _layout);
+            return Render2D.MeasureText(font, _text, ref _layout);
         }
 
         /// <inheritdoc />
         public override Float2 GetCharPosition(int index, out float height)
         {
-            var font = Font.GetMultiFont();
+            var font = Font.GetFont();
             if (font == null)
             {
                 height = Height;
                 return Float2.Zero;
             }
 
-            height = font.MaxHeight / DpiScale;
+            height = font.Height / DpiScale;
             return font.GetCharPosition(_text, index, ref _layout);
         }
 
         /// <inheritdoc />
         public override int HitTestText(Float2 location)
         {
-            var font = Font.GetMultiFont();
+            var font = Font.GetFont();
             if (font == null)
             {
                 return 0;
@@ -148,7 +149,7 @@ namespace FlaxEngine.GUI
             // Cache data
             var rect = new Rectangle(Float2.Zero, Size);
             bool enabled = EnabledInHierarchy;
-            var font = Font.GetMultiFont();
+            var font = Font.GetFont();
             if (!font)
                 return;
 
@@ -172,7 +173,7 @@ namespace FlaxEngine.GUI
             {
                 var leftEdge = font.GetCharPosition(_text, SelectionLeft, ref _layout);
                 var rightEdge = font.GetCharPosition(_text, SelectionRight, ref _layout);
-                float fontHeight = font.MaxHeight / DpiScale;
+                float fontHeight = font.Height / DpiScale;
 
                 // Draw selection background
                 float alpha = Mathf.Min(1.0f, Mathf.Cos(_animateTime * BackgroundSelectedFlashSpeed) * 0.5f + 1.3f);
@@ -212,11 +213,25 @@ namespace FlaxEngine.GUI
                 var color = TextColor;
                 if (!enabled)
                     color *= 0.6f;
-                Render2D.DrawText(font, _text, color, ref _layout, TextMaterial);
+                if (Render2D.Fallbacks != null)
+                {
+                    Render2D.DrawText(font, Render2D.Fallbacks, _text, color, ref _layout, TextMaterial);
+                }
+                else
+                {
+                    Render2D.DrawText(font, _text, color, ref _layout, TextMaterial);
+                }
             }
             else if (!string.IsNullOrEmpty(_watermarkText) && !IsFocused)
             {
-                Render2D.DrawText(font, _watermarkText, WatermarkTextColor, ref _layout, TextMaterial);
+                if (Render2D.Fallbacks != null)
+                {
+                    Render2D.DrawText(font, Render2D.Fallbacks, _watermarkText, WatermarkTextColor, ref _layout, TextMaterial);
+                }
+                else
+                {
+                    Render2D.DrawText(font, _watermarkText, WatermarkTextColor, ref _layout, TextMaterial);
+                }
             }
 
             // Caret

Source/Engine/UI/GUI/Panels/DropPanel.cs

@@ -130,7 +130,7 @@ namespace FlaxEngine.GUI
         /// Gets or sets the font used to render panel header text.
         /// </summary>
         [EditorDisplay("Header Text Style"), EditorOrder(2020), ExpandGroups]
-        public MultiFontReference HeaderTextFont { get; set; }
+        public FontReference HeaderTextFont { get; set; }
 
         /// <summary>
         /// Gets or sets the custom material used to render the text. It must has domain set to GUI and have a public texture parameter named Font used to sample font atlas texture with font characters data.
@@ -238,7 +238,7 @@ namespace FlaxEngine.GUI
             var style = Style.Current;
             HeaderColor = style.BackgroundNormal;
             HeaderColorMouseOver = style.BackgroundHighlighted;
-            HeaderTextFont = new MultiFontReference(style.FontMedium);
+            HeaderTextFont = new FontReference(style.FontMedium);
             HeaderTextColor = style.Foreground;
             ArrowImageOpened = new SpriteBrush(style.ArrowDown);
             ArrowImageClosed = new SpriteBrush(style.ArrowRight);
@@ -375,7 +375,7 @@ namespace FlaxEngine.GUI
                 textColor *= 0.6f;
             }
 
-            Render2D.DrawText(HeaderTextFont.GetMultiFont(), HeaderTextMaterial, HeaderText, textRect, textColor, TextAlignment.Near, TextAlignment.Center);
+            Render2D.DrawText(HeaderTextFont.GetFont(), HeaderTextMaterial, HeaderText, textRect, textColor, TextAlignment.Near, TextAlignment.Center);
 
             if (!_isClosed && EnableContainmentLines)
             {

Source/Engine/UI/GUI/Style.cs

@@ -15,61 +15,67 @@ namespace FlaxEngine.GUI
         public static Style Current { get; set; }
 
         [Serialize]
-        private MultiFontReference _fontTitle;
+        private FontReference _fontTitle;
 
         /// <summary>
         /// The font title.
         /// </summary>
         [NoSerialize]
         [EditorOrder(10)]
-        public MultiFont FontTitle
+        public Font FontTitle
         {
-            get => _fontTitle?.GetMultiFont();
+            get => _fontTitle?.GetFont();
-            set => _fontTitle = new MultiFontReference(value);
+            set => _fontTitle = new FontReference(value);
         }
 
         [Serialize]
-        private MultiFontReference _fontLarge;
+        private FontReference _fontLarge;
 
         /// <summary>
         /// The font large.
         /// </summary>
         [NoSerialize]
         [EditorOrder(20)]
-        public MultiFont FontLarge
+        public Font FontLarge
         {
-            get => _fontLarge?.GetMultiFont();
+            get => _fontLarge?.GetFont();
-            set => _fontLarge = new MultiFontReference(value);
+            set => _fontLarge = new FontReference(value);
         }
 
         [Serialize]
-        private MultiFontReference _fontMedium;
+        private FontReference _fontMedium;
 
         /// <summary>
         /// The font medium.
         /// </summary>
         [NoSerialize]
         [EditorOrder(30)]
-        public MultiFont FontMedium
+        public Font FontMedium
         {
-            get => _fontMedium?.GetMultiFont();
+            get => _fontMedium?.GetFont();
-            set => _fontMedium = new MultiFontReference(value);
+            set => _fontMedium = new FontReference(value);
         }
 
         [Serialize]
-        private MultiFontReference _fontSmall;
+        private FontReference _fontSmall;
 
         /// <summary>
         /// The font small.
         /// </summary>
         [NoSerialize]
         [EditorOrder(40)]
-        public MultiFont FontSmall
+        public Font FontSmall
         {
-            get => _fontSmall?.GetMultiFont();
+            get => _fontSmall?.GetFont();
-            set => _fontSmall = new MultiFontReference(value);
+            set => _fontSmall = new FontReference(value);
         }
 
+        /// <summary>
+        /// The fallback fonts to use if the primary font can't render the char.
+        /// </summary>
+        [EditorOrder(50)]
+        public FallbackFonts Fallbacks;
+
         /// <summary>
         /// The background color.
         /// </summary>