Merge remote-tracking branch 'origin/master' into 1.12

# Conflicts:
#	Source/Editor/GUI/Dialogs/ColorPickerDialog.cs
#	Source/Editor/GUI/Dialogs/ColorSelector.cs

Source/Editor/EditorAssets.cs

@@ -69,6 +69,11 @@ namespace FlaxEditor
         /// </summary>
         public static string WindowIcon = "Editor/EditorIcon";
 
+        /// <summary>
+        /// The material used for the HS color wheel.
+        /// </summary>
+        public static string HSWheelMaterial = "Editor/HSWheel";
+
         /// <summary>
         /// The window icons font.
         /// </summary>

Source/Editor/GUI/Dialogs/ColorPickerDialog.cs

@@ -1,10 +1,11 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
+using System.Collections.Generic;
 using FlaxEditor.GUI.Input;
+using FlaxEditor.GUI.Tabs;
 using FlaxEngine;
 using FlaxEngine.GUI;
 using FlaxEngine.Json;
-using System.Collections.Generic;
 
 namespace FlaxEditor.GUI.Dialogs
 {
@@ -25,15 +26,16 @@ namespace FlaxEditor.GUI.Dialogs
     /// <seealso cref="FlaxEditor.GUI.Dialogs.Dialog" />
     public class ColorPickerDialog : Dialog, IColorPickerDialog
     {
-        private const float ButtonsWidth = 60.0f;
         private const float PickerMargin = 6.0f;
-        private const float EyedropperMargin = 8.0f;
-        private const float RGBAMargin = 12.0f;
-        private const float HSVMargin = 0.0f;
         private const float ChannelsMargin = 4.0f;
         private const float ChannelTextWidth = 12.0f;
         private const float SavedColorButtonWidth = 20.0f;
         private const float SavedColorButtonHeight = 20.0f;
+        private const float TabHeight = 20;
+        private const float ValueBoxesWidth = 100.0f;
+        private const float HSVRGBTextWidth = 15.0f;
+        private const float ColorPreviewHeight = 50.0f;
+        private const int SavedColorsAmount = 10;
 
         private Color _initialValue;
         private Color _value;
@@ -46,16 +48,19 @@ namespace FlaxEditor.GUI.Dialogs
         private ColorValueBox.ColorPickerClosedEvent _onClosed;
 
         private ColorSelectorWithSliders _cSelector;
+        private Tabs.Tabs _hsvRGBTabs;
+        private Tab _RGBTab;
+        private Panel _rgbPanel;
         private FloatValueBox _cRed;
         private FloatValueBox _cGreen;
         private FloatValueBox _cBlue;
-        private FloatValueBox _cAlpha;
+        private Tab _hsvTab;
+        private Panel _hsvPanel;
         private FloatValueBox _cHue;
         private FloatValueBox _cSaturation;
         private FloatValueBox _cValue;
         private TextBox _cHex;
-        private Button _cCancel;
-        private Button _cOK;
+        private FloatValueBox _cAlpha;
         private Button _cEyedropper;
         private Button _cLinearSRGB;
 
@@ -127,97 +132,110 @@ namespace FlaxEditor.GUI.Dialogs
                 _savedColors = JsonSerializer.Deserialize<List<Color>>(savedColors);
 
             // Selector
-            _cSelector = new ColorSelectorWithSliders(180, 18)
+            _cSelector = new ColorSelectorWithSliders(180, 21)
             {
                 Location = new Float2(PickerMargin, PickerMargin),
                 Parent = this
             };
             _cSelector.ColorChanged += x => SelectedColor = x;
 
-            // Red
-            _cRed = new FloatValueBox(0, _cSelector.Right + PickerMargin + RGBAMargin + ChannelTextWidth, PickerMargin, 100, 0, float.MaxValue, 0.001f)
+            _hsvRGBTabs = new Tabs.Tabs
             {
-                Parent = this
+                Location = new Float2(_cSelector.Right + 30.0f, PickerMargin),
+                TabsTextHorizontalAlignment = TextAlignment.Center,
+                Width = ValueBoxesWidth + HSVRGBTextWidth * 2.0f + ChannelsMargin * 2.0f,
+                Height = (FloatValueBox.DefaultHeight + ChannelsMargin) * 4 + ChannelsMargin,
+                Parent = this,
+            };
+            _hsvRGBTabs.TabsSize = new Float2(_hsvRGBTabs.Width * 0.5f, TabHeight);
+            _hsvRGBTabs.SelectedTabChanged += SelectedTabChanged;
+
+            // RGB Tab
+            _RGBTab = _hsvRGBTabs.AddTab(new Tab("RGB"));
+            _rgbPanel = new Panel(ScrollBars.Vertical)
+            {
+                AnchorPreset = AnchorPresets.StretchAll,
+                Offsets = Margin.Zero,
+                Parent = _RGBTab,
+            };
+
+            // HSV Tab
+            _hsvTab = _hsvRGBTabs.AddTab(new Tab("HSV"));
+            _hsvPanel = new Panel(ScrollBars.Vertical)
+            {
+                AnchorPreset = AnchorPresets.StretchAll,
+                Offsets = Margin.Zero,
+                Parent = _hsvTab,
+            };
+
+            // Red
+            _cRed = new FloatValueBox(0, HSVRGBTextWidth + ChannelsMargin, PickerMargin, ValueBoxesWidth, 0, float.MaxValue, 0.001f)
+            {
+                Parent = _rgbPanel,
             };
             _cRed.ValueChanged += OnRGBAChanged;
 
             // Green
             _cGreen = new FloatValueBox(0, _cRed.X, _cRed.Bottom + ChannelsMargin, _cRed.Width, 0, float.MaxValue, 0.001f)
             {
-                Parent = this
+                Parent = _rgbPanel,
             };
             _cGreen.ValueChanged += OnRGBAChanged;
 
             // Blue
             _cBlue = new FloatValueBox(0, _cRed.X, _cGreen.Bottom + ChannelsMargin, _cRed.Width, 0, float.MaxValue, 0.001f)
             {
-                Parent = this
+                Parent = _rgbPanel,
             };
             _cBlue.ValueChanged += OnRGBAChanged;
 
-            // Alpha
-            _cAlpha = new FloatValueBox(0, _cRed.X, _cBlue.Bottom + ChannelsMargin, _cRed.Width, 0, float.MaxValue, 0.001f)
-            {
-                Parent = this
-            };
-            _cAlpha.ValueChanged += OnRGBAChanged;
-
             // Hue
-            _cHue = new FloatValueBox(0, PickerMargin + HSVMargin + ChannelTextWidth, _cSelector.Bottom + PickerMargin, 100, 0, 360)
+            _cHue = new FloatValueBox(0, HSVRGBTextWidth + ChannelsMargin, PickerMargin, ValueBoxesWidth)
             {
-                Parent = this
+                Parent = _hsvPanel,
+                Category = Utils.ValueCategory.Angle,
             };
             _cHue.ValueChanged += OnHSVChanged;
 
             // Saturation
             _cSaturation = new FloatValueBox(0, _cHue.X, _cHue.Bottom + ChannelsMargin, _cHue.Width, 0, 100.0f, 0.1f)
             {
-                Parent = this
+                Parent = _hsvPanel,
             };
             _cSaturation.ValueChanged += OnHSVChanged;
 
             // Value
             _cValue = new FloatValueBox(0, _cHue.X, _cSaturation.Bottom + ChannelsMargin, _cHue.Width, 0, float.MaxValue, 0.1f)
             {
-                Parent = this
+                Parent = _hsvPanel,
             };
             _cValue.ValueChanged += OnHSVChanged;
 
-            // Set valid dialog size based on UI content
-            _dialogSize = Size = new Float2(_cRed.Right + PickerMargin, 300);
+            // Alpha
+            _cAlpha = new FloatValueBox(0, _hsvRGBTabs.Left + HSVRGBTextWidth + ChannelsMargin, _hsvRGBTabs.Bottom + ChannelsMargin * 4.0f, ValueBoxesWidth, 0, float.MaxValue, 0.001f)
+            {
+                Parent = this,
+            };
+            _cAlpha.ValueChanged += OnRGBAChanged;
 
             // Hex
-            const float hexTextBoxWidth = 80;
-            _cHex = new TextBox(false, Width - hexTextBoxWidth - PickerMargin, _cSelector.Bottom + PickerMargin, hexTextBoxWidth)
+            _cHex = new TextBox(false, _hsvRGBTabs.Left + HSVRGBTextWidth + ChannelsMargin, _cAlpha.Bottom + ChannelsMargin * 2.0f, ValueBoxesWidth)
             {
-                Parent = this
+                Parent = this,
             };
             _cHex.EditEnd += OnHexChanged;
 
-            // Cancel
-            _cCancel = new Button(Width - ButtonsWidth - PickerMargin, Height - Button.DefaultHeight - PickerMargin, ButtonsWidth)
-            {
-                Text = "Cancel",
-                Parent = this
-            };
-            _cCancel.Clicked += OnCancel;
-
-            // OK
-            _cOK = new Button(_cCancel.Left - ButtonsWidth - PickerMargin, _cCancel.Y, ButtonsWidth)
-            {
-                Text = "Ok",
-                Parent = this
-            };
-            _cOK.Clicked += OnSubmit;
+            // Set valid dialog size based on UI content
+            _dialogSize = Size = new Float2(_hsvRGBTabs.Right + PickerMargin, _cHex.Bottom + 40.0f + ColorPreviewHeight + PickerMargin);
 
             // Create saved color buttons
-            CreateAllSaveButtons();
+            CreateAllSavedColorsButtons();
 
             // Eyedropper button
             var style = Style.Current;
-            _cEyedropper = new Button(_cOK.X - EyedropperMargin, _cHex.Bottom + PickerMargin)
+            _cEyedropper = new Button(_cSelector.BottomLeft.X, _cSelector.BottomLeft.Y - 25.0f, 25.0f, 25.0f)
             {
-                TooltipText = "Eyedropper tool to pick a color directly from the screen",
+                TooltipText = "Eyedropper tool to pick a color directly from the screen.",
                 BackgroundBrush = new SpriteBrush(Editor.Instance.Icons.Search32),
                 BackgroundColor = style.Foreground,
                 BackgroundColorHighlighted = style.Foreground.RGBMultiplied(0.9f),
@@ -226,14 +244,11 @@ namespace FlaxEditor.GUI.Dialogs
                 Parent = this,
             };
             _cEyedropper.Clicked += OnEyedropStart;
-            _cEyedropper.Height = (_cValue.Bottom - _cEyedropper.Y) * 0.5f;
-            _cEyedropper.Width = _cEyedropper.Height;
-            _cEyedropper.X -= _cEyedropper.Width;
 
             // Linear/sRGB toggle button
-            _cLinearSRGB = new Button(_cOK.X - EyedropperMargin, _cHex.Bottom + PickerMargin)
+            _cLinearSRGB = new Button(_cSelector.X, _cHex.Bottom + PickerMargin)
             {
-                TooltipText = "Toggles between color preview in Linear and sRGB",
+                TooltipText = "Toggles between color preview in Linear and sRGB.",
                 BackgroundBrush = new SpriteBrush(Editor.Instance.Icons.SplineAligned64),
                 BackgroundColor = _cEyedropper.BackgroundColor,
                 BackgroundColorHighlighted = _cEyedropper.BackgroundColorHighlighted,
@@ -261,12 +276,10 @@ namespace FlaxEditor.GUI.Dialogs
                 foreach (var color in _savedColors)
                 {
                     if (color == _value)
-                    {
                         return;
-                    }
                 }
 
-                // Set color of button to current value;
+                // Set color of button to current value
                 button.BackgroundColor = _value;
                 button.BackgroundColorHighlighted = _value;
                 button.BackgroundColorSelected = _value.RGBMultiplied(0.8f);
@@ -278,10 +291,10 @@ namespace FlaxEditor.GUI.Dialogs
                 var savedColors = JsonSerializer.Serialize(_savedColors, typeof(List<Color>));
                 Editor.Instance.ProjectCache.SetCustomData("ColorPickerSavedColors", savedColors);
 
-                // create new + button
-                if (_savedColorButtons.Count < 8)
+                // Create new + button
+                if (_savedColorButtons.Count < SavedColorsAmount)
                 {
-                    var savedColorButton = new Button(PickerMargin * (_savedColorButtons.Count + 1) + SavedColorButtonWidth * _savedColorButtons.Count, Height - SavedColorButtonHeight - PickerMargin, SavedColorButtonWidth, SavedColorButtonHeight)
+                    var savedColorButton = new Button(PickerMargin * (_savedColorButtons.Count + 1) + SavedColorButtonWidth * _savedColorButtons.Count, _cHex.Bottom + 40.0f + ColorPreviewHeight * 0.5f, SavedColorButtonWidth, SavedColorButtonHeight)
                     {
                         Text = "+",
                         Parent = this,
@@ -298,11 +311,32 @@ namespace FlaxEditor.GUI.Dialogs
             }
         }
 
+        private void SelectedTabChanged(Tabs.Tabs tabs)
+        {
+            if (_rgbPanel == null || _hsvPanel == null)
+                return;
+
+            switch (tabs.SelectedTabIndex)
+            {
+            // RGB
+            case 0:
+                _rgbPanel.Visible = true;
+                _hsvPanel.Visible = false;
+                break;
+            // HSV
+            case 1:
+                _rgbPanel.Visible = false;
+                _hsvPanel.Visible = true;
+                break;
+            }
+        }
+
         private void OnColorPicked(Color32 colorPicked)
         {
             if (_activeEyedropper)
             {
                 _activeEyedropper = false;
+                _cEyedropper.BackgroundColor = _cEyedropper.BackgroundColorHighlighted = Style.Current.Foreground;
                 if (colorPicked != Color.Transparent)
                 {
                     Color color = colorPicked;
@@ -317,6 +351,7 @@ namespace FlaxEditor.GUI.Dialogs
         private void OnEyedropStart()
         {
             _activeEyedropper = true;
+            _cEyedropper.BackgroundColor = _cEyedropper.BackgroundColorHighlighted = Style.Current.BackgroundHighlighted;
             Platform.PickScreenColor();
             Platform.PickScreenColorDone += OnColorPicked;
         }
@@ -334,6 +369,7 @@ namespace FlaxEditor.GUI.Dialogs
             if (_disableEvents)
                 return;
 
+            _cHue.Value = Mathf.Wrap(_cHue.Value, 0f, 360f);
             SelectedColor = Color.FromHSV(_cHue.Value, _cSaturation.Value / 100.0f, _cValue.Value / 100.0f, _cAlpha.Value);
         }
 
@@ -374,64 +410,76 @@ namespace FlaxEditor.GUI.Dialogs
 
             base.Draw();
 
-            // RGBA
-            var rgbaR = new Rectangle(_cRed.Left - ChannelTextWidth, _cRed.Y, 10000, _cRed.Height);
-            Render2D.DrawText(style.FontMedium, "R", rgbaR, textColor, TextAlignment.Near, TextAlignment.Center);
-            rgbaR.Location.Y = _cGreen.Y;
-            Render2D.DrawText(style.FontMedium, "G", rgbaR, textColor, TextAlignment.Near, TextAlignment.Center);
-            rgbaR.Location.Y = _cBlue.Y;
-            Render2D.DrawText(style.FontMedium, "B", rgbaR, textColor, TextAlignment.Near, TextAlignment.Center);
-            rgbaR.Location.Y = _cAlpha.Y;
-            Render2D.DrawText(style.FontMedium, "A", rgbaR, textColor, TextAlignment.Near, TextAlignment.Center);
+            switch (_hsvRGBTabs.SelectedTabIndex)
+            {
+            // RGB
+            case 0:
+                var rgbRect = new Rectangle(_hsvRGBTabs.Left + PickerMargin, _hsvRGBTabs.Top + TabHeight + PickerMargin, 10000, _cRed.Height);
+                Render2D.DrawText(style.FontMedium, "R", rgbRect, textColor, TextAlignment.Near, TextAlignment.Center);
+                rgbRect.Location.Y += _cRed.Height + ChannelsMargin;
+                Render2D.DrawText(style.FontMedium, "G", rgbRect, textColor, TextAlignment.Near, TextAlignment.Center);
+                rgbRect.Location.Y += _cRed.Height + ChannelsMargin;
+                Render2D.DrawText(style.FontMedium, "B", rgbRect, textColor, TextAlignment.Near, TextAlignment.Center);
+                break;
+            // HSV
+            case 1:
+                // Left
+                var hsvLeftRect = new Rectangle(_hsvRGBTabs.Left + PickerMargin, _hsvRGBTabs.Top + TabHeight + PickerMargin, 10000, _cHue.Height);
+                Render2D.DrawText(style.FontMedium, "H", hsvLeftRect, textColor, TextAlignment.Near, TextAlignment.Center);
+                hsvLeftRect.Location.Y += _cHue.Height + ChannelsMargin;
+                Render2D.DrawText(style.FontMedium, "S", hsvLeftRect, textColor, TextAlignment.Near, TextAlignment.Center);
+                hsvLeftRect.Location.Y += _cHue.Height + ChannelsMargin;
+                Render2D.DrawText(style.FontMedium, "V", hsvLeftRect, textColor, TextAlignment.Near, TextAlignment.Center);
 
-            // HSV left
-            var hsvHl = new Rectangle(_cHue.Left - ChannelTextWidth, _cHue.Y, 10000, _cHue.Height);
-            Render2D.DrawText(style.FontMedium, "H", hsvHl, textColor, TextAlignment.Near, TextAlignment.Center);
-            hsvHl.Location.Y = _cSaturation.Y;
-            Render2D.DrawText(style.FontMedium, "S", hsvHl, textColor, TextAlignment.Near, TextAlignment.Center);
-            hsvHl.Location.Y = _cValue.Y;
-            Render2D.DrawText(style.FontMedium, "V", hsvHl, textColor, TextAlignment.Near, TextAlignment.Center);
+                // Right
+                var hsvRightRect = new Rectangle(_hsvRGBTabs.Right - HSVRGBTextWidth, _hsvRGBTabs.Top + TabHeight + PickerMargin, ChannelTextWidth, _cHue.Height);
+                Render2D.DrawText(style.FontMedium, "°", hsvRightRect, textColor, TextAlignment.Near, TextAlignment.Center);
+                hsvRightRect.Location.Y += _cHue.Height + ChannelsMargin;
+                Render2D.DrawText(style.FontMedium, "%", hsvRightRect, textColor, TextAlignment.Near, TextAlignment.Center);
+                hsvRightRect.Location.Y += _cHue.Height + ChannelsMargin;
+                Render2D.DrawText(style.FontMedium, "%", hsvRightRect, textColor, TextAlignment.Near, TextAlignment.Center);
+                break;
+            }
 
-            // HSV right
-            var hsvHr = new Rectangle(_cHue.Right + 2, _cHue.Y, 10000, _cHue.Height);
-            Render2D.DrawText(style.FontMedium, "°", hsvHr, textColor, TextAlignment.Near, TextAlignment.Center);
-            hsvHr.Location.Y = _cSaturation.Y;
-            Render2D.DrawText(style.FontMedium, "%", hsvHr, textColor, TextAlignment.Near, TextAlignment.Center);
-            hsvHr.Location.Y = _cValue.Y;
-            Render2D.DrawText(style.FontMedium, "%", hsvHr, textColor, TextAlignment.Near, TextAlignment.Center);
+            // A
+            var alphaHexRect = new Rectangle(_hsvRGBTabs.Left + PickerMargin, _cAlpha.Top, ChannelTextWidth, _cAlpha.Height);
+            Render2D.DrawText(style.FontMedium, "A", alphaHexRect, textColor, TextAlignment.Near, TextAlignment.Center);
 
             // Hex
-            var hex = new Rectangle(_cHex.Left - 26, _cHex.Y, 10000, _cHex.Height);
-            Render2D.DrawText(style.FontMedium, "Hex", hex, textColor, TextAlignment.Near, TextAlignment.Center);
+            alphaHexRect.Y += _cAlpha.Height + ChannelsMargin * 2.0f;
+            alphaHexRect.X -= 5.0f; // "Hex" is two characters wider than the other labels so we need to adjust for that
+            Render2D.DrawText(style.FontMedium, "Hex", alphaHexRect, textColor, TextAlignment.Far, TextAlignment.Center);
 
             // Color difference
-            var newRect = new Rectangle(_cOK.X - 3, _cHex.Bottom + PickerMargin, 130, 0);
-            newRect.Size.Y = 50;
-            Render2D.FillRectangle(newRect, Color.White);
-            var smallRectSize = 10;
-            var numHor = Mathf.FloorToInt(newRect.Width / smallRectSize);
-            var numVer = Mathf.FloorToInt(newRect.Height / smallRectSize);
+            var differenceRect = new Rectangle(_hsvRGBTabs.Left, _cHex.Bottom + 40.0f, _hsvRGBTabs.Width, ColorPreviewHeight);
+
             // Draw checkerboard for background of color to help with transparency
+            Render2D.FillRectangle(differenceRect, Color.White);
+            var smallRectSize = 10;
+            var numHor = Mathf.CeilToInt(differenceRect.Width / smallRectSize);
+            var numVer = Mathf.CeilToInt(differenceRect.Height / smallRectSize);
+            Render2D.PushClip(differenceRect);
             for (int i = 0; i < numHor; i++)
             {
                 for (int j = 0; j < numVer; j++)
                 {
                     if ((i + j) % 2 == 0)
                     {
-                        var rect = new Rectangle(newRect.X + smallRectSize * i, newRect.Y + smallRectSize * j, new Float2(smallRectSize));
+                        var rect = new Rectangle(differenceRect.X + smallRectSize * i, differenceRect.Y + smallRectSize * j, new Float2(smallRectSize));
                         Render2D.FillRectangle(rect, Color.Gray);
                     }
                 }
             }
-            Render2D.FillRectangle(newRect, _linear ? _value.ToSRgb() : _value);
+            Render2D.PopClip();
+            Render2D.FillRectangle(differenceRect, _linear ? _value.ToSRgb() : _value);
         }
 
         /// <inheritdoc />
         protected override void OnShow()
         {
-            // Auto cancel on lost focus
+            // Apply changes on lost focus
 #if !PLATFORM_LINUX
-            ((WindowRootControl)Root).Window.LostFocus += OnWindowLostFocus;
+            ((WindowRootControl)Root).Window.LostFocus += OnSubmit;
 #endif
 
             base.OnShow();
@@ -444,6 +492,7 @@ namespace FlaxEditor.GUI.Dialogs
             {
                 // Cancel eye dropping
                 _activeEyedropper = false;
+                _cEyedropper.BackgroundColor = _cEyedropper.BackgroundColorHighlighted = Style.Current.Foreground;
                 Platform.PickScreenColorDone -= OnColorPicked;
                 return true;
             }
@@ -455,9 +504,7 @@ namespace FlaxEditor.GUI.Dialogs
         public override bool OnMouseUp(Float2 location, MouseButton button)
         {
             if (base.OnMouseUp(location, button))
-            {
                 return true;
-            }
 
             var child = GetChildAtRecursive(location);
             if (button == MouseButton.Right && child is Button b && b.Tag is Color c)
@@ -519,20 +566,20 @@ namespace FlaxEditor.GUI.Dialogs
             }
             _savedColorButtons.Clear();
 
-            CreateAllSaveButtons();
+            CreateAllSavedColorsButtons();
 
             // Save new colors
             var savedColors = JsonSerializer.Serialize(_savedColors, typeof(List<Color>));
             Editor.Instance.ProjectCache.SetCustomData("ColorPickerSavedColors", savedColors);
         }
 
-        private void CreateAllSaveButtons()
+        private void CreateAllSavedColorsButtons()
         {
             // Create saved color buttons
             for (int i = 0; i < _savedColors.Count; i++)
             {
                 var savedColor = _savedColors[i];
-                var savedColorButton = new Button(PickerMargin * (i + 1) + SavedColorButtonWidth * i, Height - SavedColorButtonHeight - PickerMargin, SavedColorButtonWidth, SavedColorButtonHeight)
+                var savedColorButton = new Button(PickerMargin * (i + 1) + SavedColorButtonWidth * i, _cHex.Bottom + 40.0f + ColorPreviewHeight * 0.5f, SavedColorButtonWidth, SavedColorButtonHeight)
                 {
                     Parent = this,
                     Tag = savedColor,
@@ -543,9 +590,9 @@ namespace FlaxEditor.GUI.Dialogs
                 savedColorButton.ButtonClicked += OnSavedColorButtonClicked;
                 _savedColorButtons.Add(savedColorButton);
             }
-            if (_savedColors.Count < 8)
+            if (_savedColors.Count < SavedColorsAmount)
             {
-                var savedColorButton = new Button(PickerMargin * (_savedColors.Count + 1) + SavedColorButtonWidth * _savedColors.Count, Height - SavedColorButtonHeight - PickerMargin, SavedColorButtonWidth, SavedColorButtonHeight)
+                var savedColorButton = new Button(PickerMargin * (_savedColors.Count + 1) + SavedColorButtonWidth * _savedColors.Count, _cHex.Bottom + 40.0f + ColorPreviewHeight * 0.5f, SavedColorButtonWidth, SavedColorButtonHeight)
                 {
                     Text = "+",
                     Parent = this,
@@ -557,19 +604,6 @@ namespace FlaxEditor.GUI.Dialogs
             }
         }
 
-        private void OnWindowLostFocus()
-        {
-            // Auto apply color on defocus
-            var autoAcceptColorPickerChange = Editor.Instance.Options.Options.Interface.AutoAcceptColorPickerChange;
-            if (_useDynamicEditing && _initialValue != _value && _canPassLastChangeEvent && autoAcceptColorPickerChange)
-            {
-                _canPassLastChangeEvent = false;
-                _onChanged?.Invoke(_value, false);
-            }
-
-            OnCancel();
-        }
-
         /// <inheritdoc />
         public override void OnSubmit()
         {
@@ -577,6 +611,9 @@ namespace FlaxEditor.GUI.Dialogs
                 return;
             _disableEvents = true;
 
+            // Ensure the cursor is restored
+            Cursor = CursorType.Default;
+
             // Send color event if modified
             if (_value != _initialValue)
             {
@@ -593,6 +630,9 @@ namespace FlaxEditor.GUI.Dialogs
                 return;
             _disableEvents = true;
 
+            // Ensure the cursor is restored
+            Cursor = CursorType.Default;
+
             // Restore color if modified
             if (_useDynamicEditing && _initialValue != _value && _canPassLastChangeEvent)
             {

Source/Editor/GUI/Dialogs/ColorSelector.cs

@@ -12,6 +12,13 @@ namespace FlaxEditor.GUI.Dialogs
     /// <seealso cref="FlaxEngine.GUI.ContainerControl" />
     public class ColorSelector : ContainerControl
     {
+        private const String GrayedOutParamName = "GrayedOut";
+
+        /// <summary>
+        /// Offset value applied to mouse cursor position when the user lets go of wheel or sliders.
+        /// </summary>
+        protected const float MouseCursorOffset = 6.0f;
+
         /// <summary>
         /// The color.
         /// </summary>
@@ -22,9 +29,22 @@ namespace FlaxEditor.GUI.Dialogs
         /// </summary>
         protected Rectangle _wheelRect;
 
-        private readonly SpriteHandle _colorWheelSprite;
+        private readonly MaterialBase _hsWheelMaterial;
         private bool _isMouseDownWheel;
 
+        private Rectangle wheelDragRect
+        {
+            get
+            {
+                var hsv = _color.ToHSV();
+                float hAngle = hsv.X * Mathf.DegreesToRadians;
+                float hRadius = hsv.Y * _wheelRect.Width * 0.5f;
+                var hsPos = new Float2(hRadius * Mathf.Cos(hAngle), -hRadius * Mathf.Sin(hAngle));
+                float wheelBoxSize = IsSliding ? 9.0f : 5.0f;
+                return new Rectangle(hsPos - (wheelBoxSize * 0.5f) + _wheelRect.Center, new Float2(wheelBoxSize));
+            }
+        }
+
         /// <summary>
         /// Occurs when selected color gets changed.
         /// </summary>
@@ -78,7 +98,8 @@ namespace FlaxEditor.GUI.Dialogs
         {
             AutoFocus = true;
 
-            _colorWheelSprite = Editor.Instance.Icons.ColorWheel128;
+            _hsWheelMaterial = FlaxEngine.Content.LoadAsyncInternal<MaterialBase>(EditorAssets.HSWheelMaterial);
+            _hsWheelMaterial = _hsWheelMaterial.CreateVirtualInstance();
             _wheelRect = new Rectangle(0, 0, wheelSize, wheelSize);
         }
 
@@ -165,17 +186,19 @@ namespace FlaxEditor.GUI.Dialogs
         {
             base.Draw();
 
-            var hsv = _color.ToHSV();
             bool enabled = EnabledInHierarchy;
 
+            _hsWheelMaterial.SetParameterValue(GrayedOutParamName, enabled ? 1.0f : 0.5f);
+            Render2D.DrawMaterial(_hsWheelMaterial, _wheelRect, enabled ? Color.White : Color.Gray);
+
             // Wheel
             float boxExpand = (2.0f * 4.0f / 128.0f) * _wheelRect.Width;
-            Render2D.DrawSprite(_colorWheelSprite, _wheelRect.MakeExpanded(boxExpand), enabled ? Color.White : Color.Gray);
-            float hAngle = hsv.X * Mathf.DegreesToRadians;
-            float hRadius = hsv.Y * _wheelRect.Width * 0.5f;
-            var hsPos = new Float2(hRadius * Mathf.Cos(hAngle), -hRadius * Mathf.Sin(hAngle));
-            const float wheelBoxSize = 4.0f;
-            Render2D.DrawRectangle(new Rectangle(hsPos - (wheelBoxSize * 0.5f) + _wheelRect.Center, new Float2(wheelBoxSize)), _isMouseDownWheel ? Color.Gray : Color.Black);
+            Render2D.DrawMaterial(_hsWheelMaterial, _wheelRect, enabled ? Color.White : Color.Gray);
+            Float3 hsv = _color.ToHSV();
+            Color hsColor = Color.FromHSV(new Float3(hsv.X, hsv.Y, 1));
+            Rectangle wheelRect = wheelDragRect;
+            Render2D.FillRectangle(wheelRect, hsColor);
+            Render2D.DrawRectangle(wheelRect, Color.Black, _isMouseDownWheel ? 2.0f : 1.0f);
         }
 
         /// <inheritdoc />
@@ -194,6 +217,15 @@ namespace FlaxEditor.GUI.Dialogs
             base.OnMouseMove(location);
         }
 
+        /// <inheritdoc />
+        public override void OnMouseMoveRelative(Float2 motion)
+        {
+            var location = PointFromScreen(FlaxEngine.Input.MouseScreenPosition);
+            UpdateMouse(ref location);
+
+            base.OnMouseMoveRelative(motion);
+        }
+
         /// <inheritdoc />
         public override bool OnMouseDown(Float2 location, MouseButton button)
         {
@@ -202,6 +234,7 @@ namespace FlaxEditor.GUI.Dialogs
                 if (!_isMouseDownWheel)
                 {
                     _isMouseDownWheel = true;
+                    Cursor = CursorType.Hidden;
                     StartMouseCapture();
                     SlidingStart?.Invoke();
                 }
@@ -218,6 +251,10 @@ namespace FlaxEditor.GUI.Dialogs
             if (button == MouseButton.Left && _isMouseDownWheel)
             {
                 EndMouseCapture();
+                // Make the cursor appear where the user expects it to be (position of selection rectangle)
+                Rectangle dragRect = wheelDragRect;
+                Root.MousePosition = dragRect.Center + MouseCursorOffset;
+                Cursor = CursorType.Default;
                 EndSliding();
                 return true;
             }
@@ -246,10 +283,10 @@ namespace FlaxEditor.GUI.Dialogs
     /// <seealso cref="ColorSelector" />
     public class ColorSelectorWithSliders : ColorSelector
     {
-        private Rectangle _slider1Rect;
-        private Rectangle _slider2Rect;
-        private bool _isMouseDownSlider1;
-        private bool _isMouseDownSlider2;
+        private Rectangle _valueSliderRect;
+        private Rectangle _alphaSliderRect;
+        private bool _isMouseDownValueSlider;
+        private bool _isMouseDownAlphaSlider;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="ColorSelectorWithSliders"/> class.
@@ -260,26 +297,26 @@ namespace FlaxEditor.GUI.Dialogs
         : base(wheelSize)
         {
             // Setup dimensions
-            const float slidersMargin = 8.0f;
-            _slider1Rect = new Rectangle(wheelSize + slidersMargin, 0, slidersThickness, wheelSize);
-            _slider2Rect = new Rectangle(_slider1Rect.Right + slidersMargin, _slider1Rect.Y, slidersThickness, _slider1Rect.Height);
-            Size = new Float2(_slider2Rect.Right, wheelSize);
+            const float slidersMargin = 10.0f;
+            _valueSliderRect = new Rectangle(wheelSize + slidersMargin, 0, slidersThickness, wheelSize);
+            _alphaSliderRect = new Rectangle(_valueSliderRect.Right + slidersMargin * 1.5f, _valueSliderRect.Y, slidersThickness, _valueSliderRect.Height);
+            Size = new Float2(_alphaSliderRect.Right, wheelSize);
         }
 
         /// <inheritdoc />
         protected override void UpdateMouse(ref Float2 location)
         {
-            if (_isMouseDownSlider1)
+            if (_isMouseDownValueSlider)
             {
                 var hsv = _color.ToHSV();
-                hsv.Z = 1.0f - Mathf.Saturate((location.Y - _slider1Rect.Y) / _slider1Rect.Height);
+                hsv.Z = 1.0f - Mathf.Saturate((location.Y - _valueSliderRect.Y) / _valueSliderRect.Height);
 
                 Color = Color.FromHSV(hsv, _color.A);
             }
-            else if (_isMouseDownSlider2)
+            else if (_isMouseDownAlphaSlider)
             {
                 var color = _color;
-                color.A = 1.0f - Mathf.Saturate((location.Y - _slider2Rect.Y) / _slider2Rect.Height);
+                color.A = 1.0f - Mathf.Saturate((location.Y - _alphaSliderRect.Y) / _alphaSliderRect.Height);
 
                 Color = color;
             }
@@ -296,56 +333,69 @@ namespace FlaxEditor.GUI.Dialogs
 
             // Cache data
             var style = Style.Current;
+            var features = Render2D.Features;
+            Render2D.Features = features & ~Render2D.RenderingFeatures.VertexSnapping;
             var hsv = _color.ToHSV();
             var hs = hsv;
             hs.Z = 1.0f;
             Color hsC = Color.FromHSV(hs);
-            const float slidersOffset = 3.0f;
-            const float slidersThickness = 4.0f;
 
-            // Value
-            float valueY = _slider2Rect.Height * (1 - hsv.Z);
-            var valueR = new Rectangle(_slider1Rect.X - slidersOffset, _slider1Rect.Y + valueY - slidersThickness / 2, _slider1Rect.Width + slidersOffset * 2, slidersThickness);
-            Render2D.FillRectangle(_slider1Rect, hsC, hsC, Color.Black, Color.Black);
-            Render2D.DrawRectangle(_slider1Rect, _isMouseDownSlider1 ? style.BackgroundSelected : Color.Black);
-            Render2D.DrawRectangle(valueR, _isMouseDownSlider1 ? Color.White : Color.Gray);
+            // Value slider
+            float valueKnobExpand = _isMouseDownValueSlider ? 10.0f : 4.0f;
+            float valueY = _valueSliderRect.Height * (1 - hsv.Z);
+            float valueKnobWidth = _valueSliderRect.Width + valueKnobExpand;
+            float valueKnobHeight = _isMouseDownValueSlider ? 7.0f : 4.0f;
+            float valueKnobX = _valueSliderRect.X - valueKnobExpand * 0.5f;
+            float valueKnobY = _valueSliderRect.Y + valueY - valueKnobHeight * 0.5f;
+            Rectangle valueKnobRect = new Rectangle(valueKnobX, valueKnobY, valueKnobWidth, valueKnobHeight);
+            Render2D.FillRectangle(_valueSliderRect, hsC, hsC, Color.Black, Color.Black);
+            // Draw one black and one white border to make the knob visible at any saturation level
+            Render2D.DrawRectangle(valueKnobRect, Color.White, _isMouseDownValueSlider ? 3.0f : 2.0f);
+            Render2D.DrawRectangle(valueKnobRect, Color.Black, _isMouseDownValueSlider ? 2.0f : 1.0f);
 
-            // Draw checkerboard pattern to part of the alpha slider background
-            var alphaRect = _slider2Rect;
-            Render2D.FillRectangle(alphaRect, Color.White);
-            var smallRectSize = alphaRect.Width * 0.5f;
-            var numHor = Mathf.CeilToInt(alphaRect.Width / smallRectSize);
-            var numVer = Mathf.CeilToInt(alphaRect.Height / smallRectSize);
+            // Draw checkerboard pattern as background of alpha slider
+            Render2D.FillRectangle(_alphaSliderRect, Color.White);
+            var smallRectSize = _alphaSliderRect.Width / 2.0f;
+            var numHor = Mathf.CeilToInt(_alphaSliderRect.Width / smallRectSize);
+            var numVer = Mathf.CeilToInt(_alphaSliderRect.Height / smallRectSize);
+            Render2D.PushClip(_alphaSliderRect);
             for (int i = 0; i < numHor; i++)
             {
                 for (int j = 0; j < numVer; j++)
                 {
                     if ((i + j) % 2 == 0)
                     {
-                        var rect = new Rectangle(alphaRect.X + smallRectSize * i, alphaRect.Y + smallRectSize * j, new Float2(smallRectSize));
-                        Render2D.PushClip(alphaRect);
+                        var rect = new Rectangle(_alphaSliderRect.X + smallRectSize * i, _alphaSliderRect.Y + smallRectSize * j, new Float2(smallRectSize));
                         Render2D.FillRectangle(rect, Color.Gray);
-                        Render2D.PopClip();
                     }
                 }
             }
+            Render2D.PopClip();
 
-            // Alpha
-            float alphaY = _slider2Rect.Height * (1 - _color.A);
-            var alphaR = new Rectangle(_slider2Rect.X - slidersOffset, _slider2Rect.Y + alphaY - slidersThickness / 2, _slider2Rect.Width + slidersOffset * 2, slidersThickness);
+            // Alpha slider
+            float alphaKnobExpand = _isMouseDownAlphaSlider ? 10.0f : 4.0f;
+            float alphaY = _alphaSliderRect.Height * (1 - _color.A);
+            float alphaKnobWidth = _alphaSliderRect.Width + alphaKnobExpand;
+            float alphaKnobHeight = _isMouseDownAlphaSlider ? 7.0f : 4.0f;
+            float alphaKnobX = _alphaSliderRect.X - alphaKnobExpand * 0.5f;
+            float alphaKnobY = _alphaSliderRect.Y + alphaY - alphaKnobExpand * 0.5f;
+            Rectangle alphaKnobRect = new Rectangle(alphaKnobX, alphaKnobY, alphaKnobWidth, alphaKnobHeight);
             var color = _color;
-            color.A = 1; // Keep slider 2 fill rect from changing color alpha while selecting.
-            Render2D.FillRectangle(_slider2Rect, color, color, Color.Transparent, Color.Transparent);
-            Render2D.DrawRectangle(_slider2Rect, _isMouseDownSlider2 ? style.BackgroundSelected : Color.Black);
-            Render2D.DrawRectangle(alphaR, _isMouseDownSlider2 ? Color.White : Color.Gray);
+            color.A = 1; // Prevent alpha slider fill from becoming transparent
+            Render2D.FillRectangle(_alphaSliderRect, color, color, Color.Transparent, Color.Transparent);
+            // Draw one black and one white border to make the knob visible at any saturation level
+            Render2D.DrawRectangle(alphaKnobRect, Color.White, _isMouseDownAlphaSlider ? 3.0f : 2.0f);
+            Render2D.DrawRectangle(alphaKnobRect, Color.Black, _isMouseDownAlphaSlider ? 2.0f : 1.0f);
+
+            Render2D.Features = features;
         }
 
         /// <inheritdoc />
         public override void OnLostFocus()
         {
             // Clear flags
-            _isMouseDownSlider1 = false;
-            _isMouseDownSlider2 = false;
+            _isMouseDownValueSlider = false;
+            _isMouseDownAlphaSlider = false;
 
             base.OnLostFocus();
         }
@@ -353,15 +403,17 @@ namespace FlaxEditor.GUI.Dialogs
         /// <inheritdoc />
         public override bool OnMouseDown(Float2 location, MouseButton button)
         {
-            if (button == MouseButton.Left && _slider1Rect.Contains(location))
+            if (button == MouseButton.Left && _valueSliderRect.Contains(location))
             {
-                _isMouseDownSlider1 = true;
+                _isMouseDownValueSlider = true;
+                Cursor = CursorType.Hidden;
                 StartMouseCapture();
                 UpdateMouse(ref location);
             }
-            if (button == MouseButton.Left && _slider2Rect.Contains(location))
+            if (button == MouseButton.Left && _alphaSliderRect.Contains(location))
             {
-                _isMouseDownSlider2 = true;
+                _isMouseDownAlphaSlider = true;
+                Cursor = CursorType.Hidden;
                 StartMouseCapture();
                 UpdateMouse(ref location);
             }
@@ -372,10 +424,16 @@ namespace FlaxEditor.GUI.Dialogs
         /// <inheritdoc />
         public override bool OnMouseUp(Float2 location, MouseButton button)
         {
-            if (button == MouseButton.Left && (_isMouseDownSlider1 || _isMouseDownSlider2))
+            if (button == MouseButton.Left && (_isMouseDownValueSlider || _isMouseDownAlphaSlider))
             {
-                _isMouseDownSlider1 = false;
-                _isMouseDownSlider2 = false;
+                // Make the cursor appear where the user expects it to be (center of slider horizontally and slider knob position vertically)
+                float sliderCenter = _isMouseDownValueSlider ? _valueSliderRect.Center.X : _alphaSliderRect.Center.X;
+                // Calculate y position based on the slider knob to avoid incrementing value by a small amount when the user repeatedly clicks the slider (f.e. when moving in small steps)
+                float mouseSliderPosition = _isMouseDownValueSlider ? _valueSliderRect.Y + _valueSliderRect.Height * (1 - _color.ToHSV().Z) + MouseCursorOffset : _alphaSliderRect.Y + _alphaSliderRect.Height * (1 - _color.A) + MouseCursorOffset;
+                Root.MousePosition = new Float2(sliderCenter + MouseCursorOffset, Mathf.Clamp(mouseSliderPosition, _valueSliderRect.Top, _valueSliderRect.Bottom));
+                Cursor = CursorType.Default;
+                _isMouseDownValueSlider = false;
+                _isMouseDownAlphaSlider = false;
                 EndMouseCapture();
                 return true;
             }
@@ -387,8 +445,8 @@ namespace FlaxEditor.GUI.Dialogs
         public override void OnEndMouseCapture()
         {
             // Clear flags
-            _isMouseDownSlider1 = false;
-            _isMouseDownSlider2 = false;
+            _isMouseDownValueSlider = false;
+            _isMouseDownAlphaSlider = false;
 
             base.OnEndMouseCapture();
         }

Source/Editor/GUI/Timeline/Timeline.cs

@@ -2148,10 +2148,9 @@ namespace FlaxEditor.GUI.Timeline
         /// </summary>
         public void ShowWholeTimeline()
         {
-            var viewWidth = Width;
-            var timelineWidth = Duration * UnitsPerSecond * Zoom + 8 * StartOffset;
-            _backgroundArea.ViewOffset = Float2.Zero;
-            Zoom = viewWidth / timelineWidth;
+            const float padding = 40f;
+            Zoom = (_backgroundArea.Width - padding * 2f) / (Duration * UnitsPerSecond);
+            _backgroundArea.ViewOffset = new Float2(-_leftEdge.X + padding, _backgroundArea.ViewOffset.Y);
         }
 
         /// <summary>

Source/Editor/Options/InterfaceOptions.cs

@@ -253,13 +253,6 @@ namespace FlaxEditor.Options
         [EditorDisplay("Interface"), EditorOrder(280), Tooltip("Editor content window orientation.")]
         public FlaxEngine.GUI.Orientation ContentWindowOrientation { get; set; } = FlaxEngine.GUI.Orientation.Horizontal;
 
-        /// <summary>
-        /// If checked, color pickers will always modify the color unless 'Cancel' if pressed, otherwise color won't change unless 'Ok' is pressed.
-        /// </summary>
-        [DefaultValue(true)]
-        [EditorDisplay("Interface"), EditorOrder(290)]
-        public bool AutoAcceptColorPickerChange { get; set; } = true;
-
         /// <summary>
         /// Gets or sets the formatting option for numeric values in the editor.
         /// </summary>

Source/Editor/SceneGraph/Actors/ClothNode.cs

@@ -0,0 +1,29 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+using FlaxEngine;
+
+namespace FlaxEditor.SceneGraph.Actors
+{
+    /// <summary>
+    /// Scene tree node for <see cref="Cloth"/> actor type.
+    /// </summary>
+    [HideInEditor]
+    public sealed class ClothNode : ActorNode
+    {
+        /// <inheritdoc />
+        public ClothNode(Actor actor)
+        : base(actor)
+        {
+        }
+
+        /// <inheritdoc />
+        public override void PostSpawn()
+        {
+            base.PostSpawn();
+
+            // Snap to the parent
+            if (!(ParentNode is SceneNode))
+                Actor.LocalTransform = Transform.Identity;
+        }
+    }
+}

Source/Editor/SceneGraph/SceneGraphFactory.cs

@@ -51,6 +51,7 @@ namespace FlaxEditor.SceneGraph
             CustomNodesTypes.Add(typeof(AudioSource), typeof(AudioSourceNode));
             CustomNodesTypes.Add(typeof(BoneSocket), typeof(BoneSocketNode));
             CustomNodesTypes.Add(typeof(Decal), typeof(DecalNode));
+            CustomNodesTypes.Add(typeof(Cloth), typeof(ClothNode));
             CustomNodesTypes.Add(typeof(BoxCollider), typeof(BoxColliderNode));
             CustomNodesTypes.Add(typeof(SphereCollider), typeof(ColliderNode));
             CustomNodesTypes.Add(typeof(CapsuleCollider), typeof(ColliderNode));

Source/Editor/Surface/Archetypes/Parameters.cs

@@ -22,15 +22,97 @@ namespace FlaxEditor.Surface.Archetypes
     [HideInEditor]
     public static class Parameters
     {
+        /// <summary>
+        /// Surface node type for parameters group Get/Set nodes.
+        /// </summary>
+        /// <seealso cref="FlaxEditor.Surface.SurfaceNode" />
+        public abstract class SurfaceNodeParamsBase : SurfaceNode
+        {
+            /// <summary>
+            /// The combobox for picking parameter.
+            /// </summary>
+            protected ComboBoxElement _combobox;
+
+            /// <summary>
+            /// Fag used to block layout updated when updating node.
+            /// </summary>
+            protected bool _isUpdateLocked;
+
+            /// <inheritdoc />
+            protected SurfaceNodeParamsBase(uint id, VisjectSurfaceContext context, NodeArchetype nodeArch, GroupArchetype groupArch)
+            : base(id, context, nodeArch, groupArch)
+            {
+            }
+
+            /// <summary>
+            /// Gets the selected parameter.
+            /// </summary>
+            /// <returns>Surface parameter object or null if nothing selected or cannot find it.</returns>
+            protected SurfaceParameter GetSelected()
+            {
+                if (Surface != null)
+                    return Surface.GetParameter(_combobox.SelectedItem);
+                return Context.GetParameter((Guid)Values[0]);
+            }
+
+            /// <summary>
+            /// Updates the combo box.
+            /// </summary>
+            protected void UpdateCombo()
+            {
+                if (_isUpdateLocked)
+                    return;
+                _isUpdateLocked = true;
+                if (_combobox == null)
+                {
+                    _combobox = GetChild<ComboBoxElement>();
+                    _combobox.SelectedIndexChanged += OnSelectedChanged;
+                }
+                string toSelect = null;
+                Guid loadedSelected = (Guid)Values[0];
+                _combobox.ClearItems();
+                var parameters = Surface.Parameters;
+                for (int i = 0; i < parameters.Count; i++)
+                {
+                    var param = parameters[i];
+                    if (!param.IsPublic && !Surface.CanShowPrivateParameters)
+                        continue;
+                    _combobox.AddItem(param.Name);
+                    if (param.ID == loadedSelected)
+                        toSelect = param.Name;
+                }
+                _combobox.SelectedItem = toSelect;
+                _isUpdateLocked = false;
+            }
+
+            private void OnSelectedChanged(ComboBox cb)
+            {
+                if (_isUpdateLocked)
+                    return;
+                var selected = GetSelected();
+                var selectedID = selected?.ID ?? Guid.Empty;
+                if (selectedID != (Guid)Values[0])
+                    Set(selected, ref selectedID);
+            }
+
+            /// <summary>
+            /// Sets the selected parameter.
+            /// </summary>
+            /// <param name="selected">Parameter.</param>
+            /// <param name="selectedID">Parameter identifier.</param>
+            protected virtual void Set(SurfaceParameter selected, ref Guid selectedID)
+            {
+                SetValue(0, selectedID);
+            }
+        }
+
         /// <summary>
         /// Surface node type for parameters group Get node.
         /// </summary>
         /// <seealso cref="FlaxEditor.Surface.SurfaceNode" />
-        public class SurfaceNodeParamsGet : SurfaceNode, IParametersDependantNode
+        public class SurfaceNodeParamsGet : SurfaceNodeParamsBase, IParametersDependantNode
         {
-            private ComboBoxElement _combobox;
             private readonly List<ISurfaceNodeElement> _dynamicChildren = new List<ISurfaceNodeElement>();
-            private bool _isUpdateLocked;
             private ScriptType _layoutType;
             private NodeElementArchetype[] _layoutElements;
 
@@ -306,49 +388,6 @@ namespace FlaxEditor.Surface.Archetypes
                 UpdateTitle();
             }
 
-            private void UpdateCombo()
-            {
-                if (_isUpdateLocked)
-                    return;
-                _isUpdateLocked = true;
-                if (_combobox == null)
-                {
-                    _combobox = (ComboBoxElement)_children[0];
-                    _combobox.SelectedIndexChanged += OnSelectedChanged;
-                }
-                int toSelect = -1;
-                Guid loadedSelected = (Guid)Values[0];
-                _combobox.ClearItems();
-                for (int i = 0; i < Surface.Parameters.Count; i++)
-                {
-                    var param = Surface.Parameters[i];
-                    _combobox.AddItem(param.Name);
-                    if (param.ID == loadedSelected)
-                        toSelect = i;
-                }
-                _combobox.SelectedIndex = toSelect;
-                _isUpdateLocked = false;
-            }
-
-            private void OnSelectedChanged(ComboBox cb)
-            {
-                if (_isUpdateLocked)
-                    return;
-                var selected = GetSelected();
-                var selectedID = selected?.ID ?? Guid.Empty;
-                SetValue(0, selectedID);
-            }
-
-            private SurfaceParameter GetSelected()
-            {
-                if (Surface != null)
-                {
-                    var selectedIndex = _combobox.SelectedIndex;
-                    return selectedIndex >= 0 && selectedIndex < Surface.Parameters.Count ? Surface.Parameters[selectedIndex] : null;
-                }
-                return Context.GetParameter((Guid)Values[0]);
-            }
-
             private void ClearDynamicElements()
             {
                 for (int i = 0; i < _dynamicChildren.Count; i++)
@@ -463,15 +502,19 @@ namespace FlaxEditor.Surface.Archetypes
                 else if (!_isUpdateLocked)
                 {
                     _isUpdateLocked = true;
-                    int toSelect = -1;
+                    string toSelect = null;
                     Guid loadedSelected = (Guid)Values[0];
-                    for (int i = 0; i < Surface.Parameters.Count; i++)
+                    var parameters = Surface.Parameters;
+                    for (int i = 0; i < parameters.Count; i++)
                     {
-                        var param = Surface.Parameters[i];
+                        var param = parameters[i];
                         if (param.ID == loadedSelected)
-                            toSelect = i;
+                        {
+                            toSelect = param.Name;
+                            break;
+                        }
                     }
-                    _combobox.SelectedIndex = toSelect;
+                    _combobox.SelectedItem = toSelect;
                     _isUpdateLocked = false;
                 }
                 UpdateLayout();
@@ -817,66 +860,23 @@ namespace FlaxEditor.Surface.Archetypes
         /// Surface node type for parameters group Set node.
         /// </summary>
         /// <seealso cref="FlaxEditor.Surface.SurfaceNode" />
-        public class SurfaceNodeParamsSet : SurfaceNode, IParametersDependantNode
+        public class SurfaceNodeParamsSet : SurfaceNodeParamsBase, IParametersDependantNode
         {
-            private ComboBoxElement _combobox;
-            private bool _isUpdateLocked;
-
             /// <inheritdoc />
             public SurfaceNodeParamsSet(uint id, VisjectSurfaceContext context, NodeArchetype nodeArch, GroupArchetype groupArch)
             : base(id, context, nodeArch, groupArch)
             {
             }
 
-            private void UpdateCombo()
+            /// <inheritdoc />
+            protected override void Set(SurfaceParameter selected, ref Guid selectedID)
             {
-                if (_isUpdateLocked)
-                    return;
-                _isUpdateLocked = true;
-                if (_combobox == null)
+                SetValues(new[]
                 {
-                    _combobox = GetChild<ComboBoxElement>();
-                    _combobox.SelectedIndexChanged += OnSelectedChanged;
-                }
-                int toSelect = -1;
-                Guid loadedSelected = (Guid)Values[0];
-                _combobox.ClearItems();
-                for (int i = 0; i < Surface.Parameters.Count; i++)
-                {
-                    var param = Surface.Parameters[i];
-                    _combobox.AddItem(param.Name);
-                    if (param.ID == loadedSelected)
-                        toSelect = i;
-                }
-                _combobox.SelectedIndex = toSelect;
-                _isUpdateLocked = false;
-            }
-
-            private void OnSelectedChanged(ComboBox cb)
-            {
-                if (_isUpdateLocked)
-                    return;
-                var selected = GetSelected();
-                var selectedID = selected?.ID ?? Guid.Empty;
-                if (selectedID != (Guid)Values[0])
-                {
-                    SetValues(new[]
-                    {
-                        selectedID,
-                        selected != null ? TypeUtils.GetDefaultValue(selected.Type) : null,
-                    });
-                    UpdateUI();
-                }
-            }
-
-            private SurfaceParameter GetSelected()
-            {
-                if (Surface != null)
-                {
-                    var selectedIndex = _combobox.SelectedIndex;
-                    return selectedIndex >= 0 && selectedIndex < Surface.Parameters.Count ? Surface.Parameters[selectedIndex] : null;
-                }
-                return Context.GetParameter((Guid)Values[0]);
+                    selectedID,
+                    selected != null ? TypeUtils.GetDefaultValue(selected.Type) : null,
+                });
+                UpdateUI();
             }
 
             /// <inheritdoc />

Source/Editor/Surface/VisjectSurface.cs

@@ -583,6 +583,11 @@ namespace FlaxEditor.Surface
         /// </summary>
         public virtual bool CanSetParameters => false;
 
+        /// <summary>
+        /// Gets a value indicating whether surface private parameters can be used, otherwise they will remain hidden.
+        /// </summary>
+        public virtual bool CanShowPrivateParameters => false;
+
         /// <summary>
         /// True of the context menu should make use of a description panel drawn at the bottom of the menu
         /// </summary>

Source/Editor/Surface/VisjectSurfaceContext.cs

@@ -254,9 +254,10 @@ namespace FlaxEditor.Surface
         public SurfaceParameter GetParameter(Guid id)
         {
             SurfaceParameter result = null;
-            for (int i = 0; i < Parameters.Count; i++)
+            var parameters = Parameters;
+            for (int i = 0; i < parameters.Count; i++)
             {
-                var parameter = Parameters[i];
+                var parameter = parameters[i];
                 if (parameter.ID == id)
                 {
                     result = parameter;
@@ -274,9 +275,10 @@ namespace FlaxEditor.Surface
         public SurfaceParameter GetParameter(string name)
         {
             SurfaceParameter result = null;
-            for (int i = 0; i < Parameters.Count; i++)
+            var parameters = Parameters;
+            for (int i = 0; i < parameters.Count; i++)
             {
-                var parameter = Parameters[i];
+                var parameter = parameters[i];
                 if (parameter.Name == name)
                 {
                     result = parameter;

Source/Editor/Surface/VisualScriptSurface.cs

@@ -187,6 +187,9 @@ namespace FlaxEditor.Surface
         /// <inheritdoc />
         public override bool CanSetParameters => true;
 
+        /// <inheritdoc />
+        public override bool CanShowPrivateParameters => true;
+
         /// <inheritdoc />
         public override bool UseContextMenuDescriptionPanel => true;
 

Source/Editor/Viewport/ViewportDraggingHelper.cs

@@ -198,6 +198,11 @@ namespace FlaxEditor.Viewport
             actor.Position = PostProcessSpawnedActorLocation(actor, ref hitLocation);
             _owner.Spawn(actor);
             _viewport.Focus();
+
+            // Scroll to the new actor in the hierarchy
+            var actorNode = Editor.Instance.Scene.GetActorNode(actor);
+            if (actorNode?.TreeNode.ParentTree.Parent is Panel treePanel)
+                FlaxEngine.Scripting.InvokeOnUpdate(() => treePanel.ScrollViewTo(actorNode.TreeNode));
         }
 
         private void Spawn(ScriptItem item, SceneGraphNode hit, ref Float2 location, ref Vector3 hitLocation, ref Vector3 hitNormal)

Source/Editor/Windows/Assets/AnimationWindow.cs

@@ -455,6 +455,7 @@ namespace FlaxEditor.Windows.Assets
                 _timeline.Enabled = true;
                 _timeline.SetNoTracksText(null);
                 ClearEditedFlag();
+                _timeline.ShowWholeTimeline();
             }
         }
 

Source/Engine/Content/Assets/Animation.cpp

@@ -691,11 +691,7 @@ Asset::LoadResult Animation::load()
                     continue;
                 }
 #if USE_EDITOR
-                if (!_registeredForScriptingReload)
-                {
-                    _registeredForScriptingReload = true;
-                    Level::ScriptsReloadStart.Bind<Animation, &Animation::OnScriptsReloadStart>(this);
-                }
+                _registerForScriptingReload = true;
 #endif
             }
         }
@@ -733,6 +729,7 @@ void Animation::unload(bool isReloading)
 {
     ScopeWriteLock systemScope(Animations::SystemLocker);
 #if USE_EDITOR
+    _registerForScriptingReload = false;
     if (_registeredForScriptingReload)
     {
         _registeredForScriptingReload = false;
@@ -752,6 +749,22 @@ void Animation::unload(bool isReloading)
     NestedAnims.Clear();
 }
 
+#if USE_EDITOR
+
+void Animation::onLoaded_MainThread()
+{
+    if (_registerForScriptingReload && !_registeredForScriptingReload)
+    {
+        _registeredForScriptingReload = true;
+        Level::ScriptsReloadStart.Bind<Animation, &Animation::OnScriptsReloadStart>(this);
+    }
+    _registerForScriptingReload = false;
+
+    BinaryAsset::onLoaded_MainThread();
+}
+
+#endif
+
 AssetChunksFlag Animation::getChunksToPreload() const
 {
     return GET_CHUNK_FLAG(0);

Source/Engine/Content/Assets/Animation.h

@@ -78,6 +78,7 @@ API_CLASS(NoSpawn) class FLAXENGINE_API Animation : public BinaryAsset
 
 private:
 #if USE_EDITOR
+    bool _registerForScriptingReload = false;
     bool _registeredForScriptingReload = false;
     void OnScriptsReloadStart();
 #endif
@@ -163,5 +164,8 @@ protected:
     // [BinaryAsset]
     LoadResult load() override;
     void unload(bool isReloading) override;
+#if USE_EDITOR
+    void onLoaded_MainThread() override;
+#endif
     AssetChunksFlag getChunksToPreload() const override;
 };

Source/Engine/Graphics/Models/MeshAccessor.cs

@@ -413,10 +413,16 @@ namespace FlaxEngine
                 return true;
             for (int i = 0; i < buffersLocal.Length; i++)
             {
-                _data[(int)buffersLocal[i]] = meshBuffers[i];
-                _layouts[(int)buffersLocal[i]] = meshLayouts[i];
+                int buffer = (int)buffersLocal[i];
+                _data[buffer] = meshBuffers[i];
+                _layouts[buffer] = meshLayouts[i];
+
+                // Get format if using a single item (eg. index buffer type)
+                var format = PixelFormat.Unknown;
+                if (meshLayouts[i] && meshLayouts[i].Elements.Length == 1)
+                    format = meshLayouts[i].Elements[0].Format;
+                _formats[buffer] = format;
             }
-            _formats[(int)MeshBufferType.Index] = mesh.Use16BitIndexBuffer ? PixelFormat.R16_UInt : PixelFormat.R32_UInt;
             return false;
         }
 

Source/Engine/Graphics/Models/MeshAccessor.h

@@ -39,51 +39,61 @@ public:
 
         FORCE_INLINE int32 GetInt(int32 index) const
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             return (int32)_sampler.Read(_data.Get() + index * _stride).X;
         }
 
         FORCE_INLINE float GetFloat(int32 index) const
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             return _sampler.Read(_data.Get() + index * _stride).X;
         }
 
         FORCE_INLINE Float2 GetFloat2(int32 index) const
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             return Float2(_sampler.Read(_data.Get() + index * _stride));
         }
 
         FORCE_INLINE Float3 GetFloat3(int32 index) const
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             return Float3(_sampler.Read(_data.Get() + index * _stride));
         }
 
         FORCE_INLINE Float4 GetFloat4(int32 index) const
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             return _sampler.Read(_data.Get() + index * _stride);
         }
 
         FORCE_INLINE void SetInt(int32 index, const int32 value)
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             _sampler.Write(_data.Get() + index * _stride, Float4((float)value));
         }
 
         FORCE_INLINE void SetFloat(int32 index, const float value)
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             _sampler.Write(_data.Get() + index * _stride, Float4(value));
         }
 
         FORCE_INLINE void SetFloat2(int32 index, const Float2& value)
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             _sampler.Write(_data.Get() + index * _stride, Float4(value));
         }
 
         FORCE_INLINE void SetFloat3(int32 index, const Float3& value)
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             _sampler.Write(_data.Get() + index * _stride, Float4(value));
         }
 
         FORCE_INLINE void SetFloat4(int32 index, const Float4& value)
         {
+            ASSERT_LOW_LAYER(index * _stride < _data.Length());
             _sampler.Write(_data.Get() + index * _stride, value);
         }
 
@@ -94,19 +104,33 @@ public:
         void Set(Span<Float2> src);
         void Set(Span<Float3> src);
         void Set(Span<Color> src);
+        template<typename T>
+        void Set(const Array<T>& dst) const
+        {
+            Set(Span<T>(dst.Get(), dst.Count()));
+        }
 
         // Copies the contents of this stream into a destination data span.
         void CopyTo(Span<Float2> dst) const;
         void CopyTo(Span<Float3> dst) const;
         void CopyTo(Span<Color> dst) const;
+        template<typename T>
+        void CopyTo(Array<T>& dst) const
+        {
+            dst.Resize(GetCount());
+            CopyTo(Span<T>(dst.Get(), dst.Count()));
+        }
     };
 
 private:
     BytesContainer _data[(int32)MeshBufferType::MAX];
     PixelFormat _formats[(int32)MeshBufferType::MAX] = {};
     GPUVertexLayout* _layouts[(int32)MeshBufferType::MAX] = {};
+    Array<ModelBase*, InlinedAllocation<4>> _usedModels;
 
 public:
+    ~MeshAccessor();
+
     /// <summary>
     /// Loads the data from the mesh.
     /// </summary>

Source/Engine/Graphics/Models/MeshBase.cpp

@@ -188,6 +188,16 @@ void MeshAccessor::Stream::CopyTo(Span<::Color> dst) const
     }
 }
 
+MeshAccessor::~MeshAccessor()
+{
+    for (ModelBase* model : _usedModels)
+    {
+        if (model->Storage)
+            model->Storage->UnlockChunks();
+        model->RemoveReference();
+    }
+}
+
 bool MeshAccessor::LoadMesh(const MeshBase* mesh, bool forceGpu, Span<MeshBufferType> buffers)
 {
     CHECK_RETURN(mesh, true);
@@ -196,14 +206,28 @@ bool MeshAccessor::LoadMesh(const MeshBase* mesh, bool forceGpu, Span<MeshBuffer
         buffers = Span<MeshBufferType>(allBuffers, ARRAY_COUNT(allBuffers));
     Array<BytesContainer, FixedAllocation<4>> meshBuffers;
     Array<GPUVertexLayout*, FixedAllocation<4>> meshLayouts;
+    if (ModelBase* model = mesh->GetModelBase())
+    {
+        // Maintain reference to mesh data (it's buffers might be referenced, not copied)
+        model->AddReference();
+        if (model->Storage)
+            model->Storage->LockChunks();
+        _usedModels.Add(model);
+    }
     if (mesh->DownloadData(buffers, meshBuffers, meshLayouts, forceGpu))
         return true;
     for (int32 i = 0; i < buffers.Length(); i++)
     {
-        _data[(int32)buffers[i]] = MoveTemp(meshBuffers[i]);
-        _layouts[(int32)buffers[i]] = meshLayouts[i];
+        const int32 buffer = (int32)buffers[i];
+        _data[buffer] = MoveTemp(meshBuffers[i]);
+        _layouts[buffer] = meshLayouts[i];
+
+        // Get format if using a single item (eg. index buffer type)
+        PixelFormat format = PixelFormat::Unknown;
+        if (meshLayouts[i] && meshLayouts[i]->GetElements().Count() == 1)
+            format = meshLayouts[i]->GetElements()[0].Format;
+        _formats[buffer] = format;
     }
-    _formats[(int32)MeshBufferType::Index] = mesh->Use16BitIndexBuffer() ? PixelFormat::R16_UInt : PixelFormat::R32_UInt;
     return false;
 }
 
@@ -714,6 +738,9 @@ bool MeshBase::DownloadDataCPU(MeshBufferType type, BytesContainer& result, int3
             _cachedVertexBufferCount = meshData.Vertices;
             _cachedIndexBufferCount = (int32)meshData.Triangles * 3;
             _cachedIndexBuffer.Copy((const byte*)meshData.IBData, _cachedIndexBufferCount * (int32)meshData.IBStride);
+            GPUVertexLayout::Elements ibLayout;
+            ibLayout.Add({ VertexElement::Types::Attribute, 0, 0, 0, meshData.IBStride == sizeof(uint16) ? PixelFormat::R16_UInt : PixelFormat::R32_UInt });
+            _cachedVertexLayouts[3] = GPUVertexLayout::Get(ibLayout);
             for (int32 vb = 0; vb < meshData.VBData.Count(); vb++)
             {
                 _cachedVertexBuffers[vb].Copy((const byte*)meshData.VBData[vb], (int32)(meshData.VBLayout[vb]->GetStride() * meshData.Vertices));
@@ -728,6 +755,8 @@ bool MeshBase::DownloadDataCPU(MeshBufferType type, BytesContainer& result, int3
     case MeshBufferType::Index:
         result.Link(_cachedIndexBuffer);
         count = _cachedIndexBufferCount;
+        if (layout)
+            *layout = _cachedVertexLayouts[3];
         break;
     case MeshBufferType::Vertex0:
         result.Link(_cachedVertexBuffers[0]);

Source/Engine/Graphics/Models/MeshBase.h

@@ -50,7 +50,7 @@ protected:
     GPUBuffer* _indexBuffer = nullptr;
 
     mutable BytesContainer _cachedVertexBuffers[MODEL_MAX_VB];
-    mutable GPUVertexLayout* _cachedVertexLayouts[MODEL_MAX_VB] = {};
+    mutable GPUVertexLayout* _cachedVertexLayouts[MODEL_MAX_VB + 1] = {};
     mutable BytesContainer _cachedIndexBuffer;
     mutable int32 _cachedIndexBufferCount = 0, _cachedVertexBufferCount = 0;
 

Source/Engine/Level/Actors/AnimatedModel.cpp

@@ -1397,6 +1397,16 @@ bool AnimatedModel::GetMeshData(const MeshReference& ref, MeshBufferType type, B
     return mesh.DownloadDataCPU(type, result, count, layout);
 }
 
+MeshBase* AnimatedModel::GetMesh(const MeshReference& ref) const
+{
+    const auto model = SkinnedModel.Get();
+    if (!model || model->WaitForLoaded())
+        return nullptr;
+    auto& lod = model->LODs[Math::Min(ref.LODIndex, model->LODs.Count() - 1)];
+    auto& mesh = lod.Meshes[Math::Min(ref.MeshIndex, lod.Meshes.Count() - 1)];
+    return &mesh;
+}
+
 MeshDeformation* AnimatedModel::GetMeshDeformation() const
 {
     if (!_deformation)

Source/Engine/Level/Actors/AnimatedModel.h

@@ -479,6 +479,7 @@ public:
     bool IntersectsEntry(int32 entryIndex, const Ray& ray, Real& distance, Vector3& normal) override;
     bool IntersectsEntry(const Ray& ray, Real& distance, Vector3& normal, int32& entryIndex) override;
     bool GetMeshData(const MeshReference& ref, MeshBufferType type, BytesContainer& result, int32& count, GPUVertexLayout** layout) const override;
+    MeshBase* GetMesh(const MeshReference& ref) const override;
     void UpdateBounds() override;
     MeshDeformation* GetMeshDeformation() const override;
     void OnDeleteObject() override;

Source/Engine/Level/Actors/ModelInstanceActor.cpp

@@ -14,6 +14,12 @@ String ModelInstanceActor::MeshReference::ToString() const
     return String::Format(TEXT("Actor={},LOD={},Mesh={}"), Actor ? Actor->GetNamePath() : String::Empty, LODIndex, MeshIndex);
 }
 
+MeshBase* ModelInstanceActor::MeshReference::Get() const
+{
+    auto actor = Actor.Get();
+    return actor ? actor->GetMesh(*this) : nullptr;
+}
+
 void ModelInstanceActor::SetEntries(const Array<ModelInstanceEntry>& value)
 {
     WaitForModelLoad();

Source/Engine/Level/Actors/ModelInstanceActor.h

@@ -29,6 +29,7 @@ API_CLASS(Abstract) class FLAXENGINE_API ModelInstanceActor : public Actor
         API_FIELD() int32 MeshIndex = 0;
 
         String ToString() const;
+        MeshBase* Get() const;
     };
 
 protected:
@@ -113,6 +114,7 @@ public:
 
     /// <summary>
     /// Extracts mesh buffer data from CPU. Might be cached internally (eg. by Model/SkinnedModel).
+    /// [Deprecated in 1.12]
     /// </summary>
     /// <param name="ref">Mesh reference.</param>
     /// <param name="type">Buffer type</param>
@@ -120,11 +122,22 @@ public:
     /// <param name="count">The amount of items inside the result buffer.</param>
     /// <param name="layout">The result layout of the result buffer (for vertex buffers). Optional, pass null to ignore it.</param>
     /// <returns>True if failed, otherwise false.</returns>
+    DEPRECATED("Use GetMesh to resolve mesh reference and access mesh data with MeshAccessor.")
     virtual bool GetMeshData(const MeshReference& ref, MeshBufferType type, BytesContainer& result, int32& count, GPUVertexLayout** layout = nullptr) const
     {
         return true;
     }
 
+    /// <summary>
+    /// Resolves a given mesh reference.
+    /// </summary>
+    /// <param name="ref">Mesh reference.</param>
+    /// <returns>Mesh or null if invalid ref.</returns>
+    virtual MeshBase* GetMesh(const MeshReference& ref) const
+    {
+        return nullptr;
+    }
+
     /// <summary>
     /// Gets the mesh deformation utility for this model instance (optional).
     /// </summary>

Source/Engine/Level/Actors/StaticModel.cpp

@@ -665,6 +665,16 @@ bool StaticModel::GetMeshData(const MeshReference& ref, MeshBufferType type, Byt
     return mesh.DownloadDataCPU(type, result, count, layout);
 }
 
+MeshBase* StaticModel::GetMesh(const MeshReference& ref) const
+{
+    const auto model = Model.Get();
+    if (!model || model->WaitForLoaded())
+        return nullptr;
+    auto& lod = model->LODs[Math::Min(ref.LODIndex, model->LODs.Count() - 1)];
+    auto& mesh = lod.Meshes[Math::Min(ref.MeshIndex, lod.Meshes.Count() - 1)];
+    return &mesh;
+}
+
 MeshDeformation* StaticModel::GetMeshDeformation() const
 {
     if (!_deformation)

Source/Engine/Level/Actors/StaticModel.h

@@ -181,6 +181,7 @@ public:
     bool IntersectsEntry(int32 entryIndex, const Ray& ray, Real& distance, Vector3& normal) override;
     bool IntersectsEntry(const Ray& ray, Real& distance, Vector3& normal, int32& entryIndex) override;
     bool GetMeshData(const MeshReference& ref, MeshBufferType type, BytesContainer& result, int32& count, GPUVertexLayout** layout) const override;
+    MeshBase* GetMesh(const MeshReference& ref) const override;
     MeshDeformation* GetMeshDeformation() const override;
     void UpdateBounds() override;
 

Source/Engine/Physics/Actors/Cloth.cpp

@@ -133,7 +133,7 @@ Array<Float3> Cloth::GetParticles() const
     if (_cloth)
     {
         PROFILE_CPU();
-        PROFILE_MEM(Physics);
+        PROFILE_MEM(PhysicsCloth);
         PhysicsBackend::LockClothParticles(_cloth);
         const Span<const Float4> particles = PhysicsBackend::GetClothParticles(_cloth);
         result.Resize(particles.Length());
@@ -150,7 +150,7 @@ Array<Float3> Cloth::GetParticles() const
 void Cloth::SetParticles(Span<const Float3> value)
 {
     PROFILE_CPU();
-    PROFILE_MEM(Physics);
+    PROFILE_MEM(PhysicsCloth);
 #if USE_CLOTH_SANITY_CHECKS
     {
         // Sanity check
@@ -180,7 +180,7 @@ Span<float> Cloth::GetPaint() const
 void Cloth::SetPaint(Span<const float> value)
 {
     PROFILE_CPU();
-    PROFILE_MEM(Physics);
+    PROFILE_MEM(PhysicsCloth);
 #if USE_CLOTH_SANITY_CHECKS
     {
         // Sanity check
@@ -208,8 +208,12 @@ void Cloth::SetPaint(Span<const float> value)
     if (_cloth)
     {
         // Update cloth particles
+        MeshAccessor accessor;
+        MeshBufferType bufferTypes[2] = { MeshBufferType::Index, MeshBufferType::Vertex0 };
+        if (accessor.LoadMesh(GetMesh().Get(), false, ToSpan(bufferTypes, 2)))
+            return;
         Array<float> invMasses;
-        CalculateInvMasses(invMasses);
+        CalculateInvMasses(accessor, invMasses);
         PhysicsBackend::LockClothParticles(_cloth);
         PhysicsBackend::SetClothParticles(_cloth, Span<const Float4>(), Span<const Float3>(), ToSpan<float, const float>(invMasses));
         PhysicsBackend::SetClothPaint(_cloth, value);
@@ -227,18 +231,20 @@ bool Cloth::IntersectsItself(const Ray& ray, Real& distance, Vector3& normal)
     if (_cloth)
     {
         // Precise per-triangle intersection
-        const ModelInstanceActor::MeshReference mesh = GetMesh();
-        if (mesh.Actor == nullptr)
+        const ModelInstanceActor::MeshReference meshRef = GetMesh();
+        if (meshRef.Actor == nullptr)
             return false;
-        BytesContainer indicesData;
-        int32 indicesCount;
-        if (mesh.Actor->GetMeshData(mesh, MeshBufferType::Index, indicesData, indicesCount))
+        MeshAccessor accessor;
+        MeshBufferType bufferTypes[1] = { MeshBufferType::Index };
+        if (accessor.LoadMesh(meshRef.Get(), false, ToSpan(bufferTypes, 1)))
             return false;
+        auto indices = accessor.Index();
+        auto indicesData = indices.GetData();
         PhysicsBackend::LockClothParticles(_cloth);
         const Span<const Float4> particles = PhysicsBackend::GetClothParticles(_cloth);
         const Transform transform = GetTransform();
-        const bool indices16bit = indicesData.Length() / indicesCount == sizeof(uint16);
-        const int32 trianglesCount = indicesCount / 3;
+        const bool indices16bit = indices.GetFormat() == PixelFormat::R16_UInt;
+        const int32 trianglesCount = indices.GetCount() / 3;
         bool result = false;
         distance = MAX_Real;
         for (int32 triangleIndex = 0; triangleIndex < trianglesCount; triangleIndex++)
@@ -306,7 +312,7 @@ void Cloth::Deserialize(DeserializeStream& stream, ISerializeModifier* modifier)
 {
     Actor::Deserialize(stream, modifier);
 
-    PROFILE_MEM(Physics);
+    PROFILE_MEM(PhysicsCloth);
     DESERIALIZE_MEMBER(Mesh, _mesh);
     _mesh.Actor = nullptr; // Don't store this reference
     DESERIALIZE_MEMBER(Force, _forceSettings);
@@ -341,18 +347,20 @@ void Cloth::DrawPhysicsDebug(RenderView& view)
     if (_cloth)
     {
         PROFILE_CPU();
-        const ModelInstanceActor::MeshReference mesh = GetMesh();
-        if (mesh.Actor == nullptr)
+        const ModelInstanceActor::MeshReference meshRef = GetMesh();
+        if (meshRef.Actor == nullptr)
             return;
-        BytesContainer indicesData;
-        int32 indicesCount;
-        if (mesh.Actor->GetMeshData(mesh, MeshBufferType::Index, indicesData, indicesCount))
+        MeshAccessor accessor;
+        MeshBufferType bufferTypes[1] = { MeshBufferType::Index };
+        if (accessor.LoadMesh(meshRef.Get(), false, ToSpan(bufferTypes, 1)))
             return;
+        auto indices = accessor.Index();
+        auto indicesData = indices.GetData();
         PhysicsBackend::LockClothParticles(_cloth);
         const Span<const Float4> particles = PhysicsBackend::GetClothParticles(_cloth);
         const Transform transform = GetTransform();
-        const bool indices16bit = indicesData.Length() / indicesCount == sizeof(uint16);
-        const int32 trianglesCount = indicesCount / 3;
+        const bool indices16bit = indices.GetFormat() == PixelFormat::R16_UInt;
+        const int32 trianglesCount = indices.GetCount() / 3;
         for (int32 triangleIndex = 0; triangleIndex < trianglesCount; triangleIndex++)
         {
             const int32 index = triangleIndex * 3;
@@ -390,18 +398,20 @@ void Cloth::OnDebugDrawSelected()
     if (_cloth)
     {
         DEBUG_DRAW_WIRE_BOX(_box, Color::Violet.RGBMultiplied(0.8f), 0, true);
-        const ModelInstanceActor::MeshReference mesh = GetMesh();
-        if (mesh.Actor == nullptr)
+        const ModelInstanceActor::MeshReference meshRef = GetMesh();
+        if (meshRef.Actor == nullptr)
             return;
-        BytesContainer indicesData;
-        int32 indicesCount;
-        if (mesh.Actor->GetMeshData(mesh, MeshBufferType::Index, indicesData, indicesCount))
+        MeshAccessor accessor;
+        MeshBufferType bufferTypes[1] = { MeshBufferType::Index };
+        if (accessor.LoadMesh(meshRef.Get(), false, ToSpan(bufferTypes, 1)))
             return;
+        auto indices = accessor.Index();
+        auto indicesData = indices.GetData();
         PhysicsBackend::LockClothParticles(_cloth);
         const Span<const Float4> particles = PhysicsBackend::GetClothParticles(_cloth);
         const Transform transform = GetTransform();
-        const bool indices16bit = indicesData.Length() / indicesCount == sizeof(uint16);
-        const int32 trianglesCount = indicesCount / 3;
+        const bool indices16bit = indices.GetFormat() == PixelFormat::R16_UInt;
+        const int32 trianglesCount = indices.GetCount() / 3;
         for (int32 triangleIndex = 0; triangleIndex < trianglesCount; triangleIndex++)
         {
             const int32 index = triangleIndex * 3;
@@ -542,7 +552,7 @@ bool Cloth::CreateCloth()
 {
 #if WITH_CLOTH
     PROFILE_CPU();
-    PROFILE_MEM(Physics);
+    PROFILE_MEM(PhysicsCloth);
 
     // Skip if all vertices are fixed so cloth sim doesn't make sense
     if (_paint.HasItems())
@@ -556,26 +566,36 @@ bool Cloth::CreateCloth()
 
     // Get mesh data
     // TODO: consider making it via async task so physics can wait on the cloth setup from mesh data just before next fixed update which gives more time when loading scene
-    const ModelInstanceActor::MeshReference mesh = GetMesh();
-    if (mesh.Actor == nullptr)
+    const ModelInstanceActor::MeshReference meshRef = GetMesh();
+    if (meshRef.Actor == nullptr)
         return false;
     PhysicsClothDesc desc;
     desc.Actor = this;
-    BytesContainer data;
-    int32 count;
-    if (mesh.Actor->GetMeshData(mesh, MeshBufferType::Vertex0, data, count))
+    MeshAccessor accessor;
+    MeshBufferType bufferTypes[2] = { MeshBufferType::Index, MeshBufferType::Vertex0 };
+    if (accessor.LoadMesh(meshRef.Get(), false, ToSpan(bufferTypes, 2)))
         return true;
-    // TODO: use MeshAccessor vertex data layout descriptor instead hardcoded position data at the beginning of VB0
-    desc.VerticesData = data.Get();
-    desc.VerticesCount = count;
-    desc.VerticesStride = data.Length() / count;
-    if (mesh.Actor->GetMeshData(mesh, MeshBufferType::Index, data, count))
-        return true;
-    desc.IndicesData = data.Get();
-    desc.IndicesCount = count;
-    desc.IndicesStride = data.Length() / count;
+    auto position = accessor.Position();
+    Array<Float3> tempPositions;
+    if (position.GetFormat() == PixelFormat::R32G32B32_Float)
+    {
+        desc.VerticesData = position.GetData().Get();
+        desc.VerticesCount = position.GetCount();
+        desc.VerticesStride = position.GetStride();
+    }
+    else
+    {
+        position.CopyTo(tempPositions);
+        desc.VerticesData = tempPositions.Get();
+        desc.VerticesCount = tempPositions.Count();
+        desc.VerticesStride = sizeof(Float3);
+    }
+    auto indices = accessor.Index();
+    desc.IndicesData = indices.GetData().Get();
+    desc.IndicesCount = indices.GetCount();
+    desc.IndicesStride = indices.GetStride();
     Array<float> invMasses;
-    CalculateInvMasses(invMasses);
+    CalculateInvMasses(accessor, invMasses);
     desc.InvMassesData = invMasses.Count() == desc.VerticesCount ? invMasses.Get() : nullptr;
     desc.InvMassesStride = sizeof(float);
     desc.MaxDistancesData = _paint.Count() == desc.VerticesCount ? _paint.Get() : nullptr;
@@ -595,13 +615,13 @@ bool Cloth::CreateCloth()
     PhysicsBackend::ClearClothInertia(_cloth);
 
     // Add cloth mesh deformer
-    if (auto* deformation = mesh.Actor->GetMeshDeformation())
+    if (auto* deformation = meshRef.Actor->GetMeshDeformation())
     {
         Function<void(const MeshBase*, MeshDeformationData&)> deformer;
         deformer.Bind<Cloth, &Cloth::RunClothDeformer>(this);
-        deformation->AddDeformer(mesh.LODIndex, mesh.MeshIndex, MeshBufferType::Vertex0, deformer);
+        deformation->AddDeformer(meshRef.LODIndex, meshRef.MeshIndex, MeshBufferType::Vertex0, deformer);
         if (_simulationSettings.ComputeNormals)
-            deformation->AddDeformer(mesh.LODIndex, mesh.MeshIndex, MeshBufferType::Vertex1, deformer);
+            deformation->AddDeformer(meshRef.LODIndex, meshRef.MeshIndex, MeshBufferType::Vertex1, deformer);
         _meshDeformation = deformation;
     }
 
@@ -631,39 +651,32 @@ void Cloth::DestroyCloth()
 #endif
 }
 
-void Cloth::CalculateInvMasses(Array<float>& invMasses)
+void Cloth::CalculateInvMasses(MeshAccessor& accessor, Array<float>& invMasses)
 {
     // Use per-particle max distance to evaluate which particles are immovable
 #if WITH_CLOTH
     if (_paint.IsEmpty())
         return;
     PROFILE_CPU();
-    PROFILE_MEM(Physics);
+    PROFILE_MEM(PhysicsCloth);
 
     // Get mesh data
-    const ModelInstanceActor::MeshReference mesh = GetMesh();
-    if (mesh.Actor == nullptr)
-        return;
-    BytesContainer verticesData;
-    int32 verticesCount;
-    if (mesh.Actor->GetMeshData(mesh, MeshBufferType::Vertex0, verticesData, verticesCount))
-        return;
-    BytesContainer indicesData;
-    int32 indicesCount;
-    if (mesh.Actor->GetMeshData(mesh, MeshBufferType::Index, indicesData, indicesCount))
-        return;
+    auto positions = accessor.Position();
+    auto indices = accessor.Index();
+    CHECK(positions.IsValid() && indices.IsValid());
+    int32 verticesCount = positions.GetCount();
     if (_paint.Count() != verticesCount)
     {
         // Fix incorrect paint data
-        LOG(Warning, "Incorrect cloth '{}' paint size {} for mesh '{}' that has {} vertices", GetNamePath(), _paint.Count(), mesh.ToString(), verticesCount);
+        LOG(Warning, "Incorrect cloth '{}' paint size {} for mesh '{}' that has {} vertices", GetNamePath(), _paint.Count(), GetMesh().ToString(), verticesCount);
         int32 countBefore = _paint.Count();
         _paint.Resize(verticesCount);
         for (int32 i = countBefore; i < verticesCount; i++)
             _paint.Get()[i] = 0.0f;
     }
-    const int32 verticesStride = verticesData.Length() / verticesCount;
-    const bool indices16bit = indicesData.Length() / indicesCount == sizeof(uint16);
-    const int32 trianglesCount = indicesCount / 3;
+    const bool indices16bit = indices.GetFormat() == PixelFormat::R16_UInt;
+    const int32 trianglesCount = indices.GetCount() / 3;
+    auto indicesData = indices.GetData();
 
     // Sum triangle area for each influenced particle
     invMasses.Resize(verticesCount);
@@ -676,12 +689,9 @@ void Cloth::CalculateInvMasses(Array<float>& invMasses)
             const int32 i0 = indicesData.Get<uint16>()[index];
             const int32 i1 = indicesData.Get<uint16>()[index + 1];
             const int32 i2 = indicesData.Get<uint16>()[index + 2];
-            // TODO: use MeshAccessor vertex data layout descriptor instead hardcoded position data at the beginning of VB0
-#define GET_POS(i) *(Float3*)((byte*)verticesData.Get() + i * verticesStride)
-            const Float3 v0(GET_POS(i0));
-            const Float3 v1(GET_POS(i1));
-            const Float3 v2(GET_POS(i2));
-#undef GET_POS
+            const Float3 v0(positions.GetFloat3(i0));
+            const Float3 v1(positions.GetFloat3(i1));
+            const Float3 v2(positions.GetFloat3(i2));
             const float area = Float3::TriangleArea(v0, v1, v2);
             invMasses.Get()[i0] += area;
             invMasses.Get()[i1] += area;
@@ -696,12 +706,9 @@ void Cloth::CalculateInvMasses(Array<float>& invMasses)
             const int32 i0 = indicesData.Get<uint32>()[index];
             const int32 i1 = indicesData.Get<uint32>()[index + 1];
             const int32 i2 = indicesData.Get<uint32>()[index + 2];
-            // TODO: use MeshAccessor vertex data layout descriptor instead hardcoded position data at the beginning of VB0
-#define GET_POS(i) *(Float3*)((byte*)verticesData.Get() + i * verticesStride)
-            const Float3 v0(GET_POS(i0));
-            const Float3 v1(GET_POS(i1));
-            const Float3 v2(GET_POS(i2));
-#undef GET_POS
+            const Float3 v0(positions.GetFloat3(i0));
+            const Float3 v1(positions.GetFloat3(i1));
+            const Float3 v2(positions.GetFloat3(i2));
             const float area = Float3::TriangleArea(v0, v1, v2);
             invMasses.Get()[i0] += area;
             invMasses.Get()[i1] += area;
@@ -787,25 +794,22 @@ bool Cloth::OnPreUpdate()
     {
         if (animatedModel->GraphInstance.NodesPose.IsEmpty() || _paint.IsEmpty())
             return false;
-        const ModelInstanceActor::MeshReference mesh = GetMesh();
-        if (mesh.Actor == nullptr)
-            return false;
-        BytesContainer verticesData;
-        int32 verticesCount;
-        GPUVertexLayout* layout;
-        if (mesh.Actor->GetMeshData(mesh, MeshBufferType::Vertex0, verticesData, verticesCount, &layout))
+        const ModelInstanceActor::MeshReference meshRef = GetMesh();
+        if (meshRef.Actor == nullptr)
             return false;
         MeshAccessor accessor;
-        if (accessor.LoadBuffer(MeshBufferType::Vertex0, verticesData, layout))
+        MeshBufferType bufferTypes[1] = { MeshBufferType::Vertex0 };
+        if (accessor.LoadMesh(meshRef.Get(), false, ToSpan(bufferTypes, 1)))
             return false;
         auto positionStream = accessor.Position();
         auto blendIndicesStream = accessor.BlendIndices();
         auto blendWeightsStream = accessor.BlendWeights();
         if (!positionStream.IsValid() || !blendIndicesStream.IsValid() || !blendWeightsStream.IsValid())
             return false;
+        const int32 verticesCount = positionStream.GetCount();
         if (verticesCount != _paint.Count())
         {
-            LOG(Warning, "Incorrect cloth '{}' paint size {} for mesh '{}' that has {} vertices", GetNamePath(), _paint.Count(), mesh.ToString(), verticesCount);
+            LOG(Warning, "Incorrect cloth '{}' paint size {} for mesh '{}' that has {} vertices", GetNamePath(), _paint.Count(), meshRef.ToString(), verticesCount);
             return false;
         }
         PROFILE_CPU_NAMED("Skinned Pose");
@@ -925,7 +929,7 @@ void Cloth::RunClothDeformer(const MeshBase* mesh, MeshDeformationData& deformat
         return;
 #if WITH_CLOTH
     PROFILE_CPU_NAMED("Cloth");
-    PROFILE_MEM(Physics);
+    PROFILE_MEM(PhysicsCloth);
     PhysicsBackend::LockClothParticles(_cloth);
     const Span<const Float4> particles = PhysicsBackend::GetClothParticles(_cloth);
     auto vbCount = (uint32)mesh->GetVertexCount();
@@ -934,49 +938,53 @@ void Cloth::RunClothDeformer(const MeshBase* mesh, MeshDeformationData& deformat
     // Calculate normals
     Array<Float3> normals;
     const ModelInstanceActor::MeshReference meshRef = GetMesh();
-    BytesContainer indicesData;
-    int32 indicesCount;
-    if ((_simulationSettings.ComputeNormals || deformation.Type == MeshBufferType::Vertex1) &&
-        meshRef.Actor && !meshRef.Actor->GetMeshData(meshRef, MeshBufferType::Index, indicesData, indicesCount))
+    if ((_simulationSettings.ComputeNormals || deformation.Type == MeshBufferType::Vertex1) && meshRef.Actor)
     {
-        PROFILE_CPU_NAMED("Normals");
-        // TODO: optimize memory allocs (eg. use shared allocator)
-        normals.Resize(vbCount);
-        Platform::MemoryClear(normals.Get(), vbCount * sizeof(Float3));
-        const bool indices16bit = indicesData.Length() / indicesCount == sizeof(uint16);
-        const int32 trianglesCount = indicesCount / 3;
-        if (indices16bit)
+        MeshAccessor accessor;
+        MeshBufferType bufferTypes[1] = { MeshBufferType::Index };
+        if (!accessor.LoadMesh(meshRef.Get(), false, ToSpan(bufferTypes, 1)))
         {
-            for (int32 triangleIndex = 0; triangleIndex < trianglesCount; triangleIndex++)
+            PROFILE_CPU_NAMED("Normals");
+            auto indices = accessor.Index();
+            auto indicesData = indices.GetData();
+            // TODO: optimize memory allocs (eg. use shared allocator)
+            normals.Resize(vbCount);
+            Platform::MemoryClear(normals.Get(), vbCount * sizeof(Float3));
+            const bool indices16bit = indices.GetFormat() == PixelFormat::R16_UInt;
+            const int32 trianglesCount = indices.GetCount() / 3;
+            if (indices16bit)
             {
-                const int32 index = triangleIndex * 3;
-                const int32 i0 = indicesData.Get<uint16>()[index];
-                const int32 i1 = indicesData.Get<uint16>()[index + 1];
-                const int32 i2 = indicesData.Get<uint16>()[index + 2];
-                const Float3 v0(particles.Get()[i0]);
-                const Float3 v1(particles.Get()[i1]);
-                const Float3 v2(particles.Get()[i2]);
-                const Float3 normal = Float3::Cross(v1 - v0, v2 - v0);
-                normals.Get()[i0] += normal;
-                normals.Get()[i1] += normal;
-                normals.Get()[i2] += normal;
+                for (int32 triangleIndex = 0; triangleIndex < trianglesCount; triangleIndex++)
+                {
+                    const int32 index = triangleIndex * 3;
+                    const int32 i0 = indicesData.Get<uint16>()[index];
+                    const int32 i1 = indicesData.Get<uint16>()[index + 1];
+                    const int32 i2 = indicesData.Get<uint16>()[index + 2];
+                    const Float3 v0(particles.Get()[i0]);
+                    const Float3 v1(particles.Get()[i1]);
+                    const Float3 v2(particles.Get()[i2]);
+                    const Float3 normal = Float3::Cross(v1 - v0, v2 - v0);
+                    normals.Get()[i0] += normal;
+                    normals.Get()[i1] += normal;
+                    normals.Get()[i2] += normal;
+                }
             }
-        }
-        else
-        {
-            for (int32 triangleIndex = 0; triangleIndex < trianglesCount; triangleIndex++)
+            else
             {
-                const int32 index = triangleIndex * 3;
-                const int32 i0 = indicesData.Get<uint32>()[index];
-                const int32 i1 = indicesData.Get<uint32>()[index + 1];
-                const int32 i2 = indicesData.Get<uint32>()[index + 2];
-                const Float3 v0(particles.Get()[i0]);
-                const Float3 v1(particles.Get()[i1]);
-                const Float3 v2(particles.Get()[i2]);
-                const Float3 normal = Float3::Cross(v1 - v0, v2 - v0);
-                normals.Get()[i0] += normal;
-                normals.Get()[i1] += normal;
-                normals.Get()[i2] += normal;
+                for (int32 triangleIndex = 0; triangleIndex < trianglesCount; triangleIndex++)
+                {
+                    const int32 index = triangleIndex * 3;
+                    const int32 i0 = indicesData.Get<uint32>()[index];
+                    const int32 i1 = indicesData.Get<uint32>()[index + 1];
+                    const int32 i2 = indicesData.Get<uint32>()[index + 2];
+                    const Float3 v0(particles.Get()[i0]);
+                    const Float3 v1(particles.Get()[i1]);
+                    const Float3 v2(particles.Get()[i2]);
+                    const Float3 normal = Float3::Cross(v1 - v0, v2 - v0);
+                    normals.Get()[i0] += normal;
+                    normals.Get()[i1] += normal;
+                    normals.Get()[i2] += normal;
+                }
             }
         }
     }

Source/Engine/Physics/Actors/Cloth.h

@@ -371,6 +371,6 @@ private:
     ImplementPhysicsDebug;
     bool CreateCloth();
     void DestroyCloth();
-    void CalculateInvMasses(Array<float>& invMasses);
+    void CalculateInvMasses(class MeshAccessor& accessor, Array<float>& invMasses);
     void RunClothDeformer(const MeshBase* mesh, struct MeshDeformationData& deformation);
 };

Source/Engine/Physics/Colliders/SphereCollider.cpp

@@ -26,7 +26,7 @@ void SphereCollider::SetRadius(const float value)
 
 void SphereCollider::DrawPhysicsDebug(RenderView& view)
 {
-    const BoundingSphere sphere(_sphere.Center - view.Origin, _sphere.Radius);
+    const BoundingSphere sphere(_sphere.Center - view.Origin, Math::Abs(_sphere.Radius));
     if (!view.CullingFrustum.Intersects(sphere))
         return;
     if (view.Mode == ViewMode::PhysicsColliders && !GetIsTrigger())

Source/Engine/Physics/PhysX/PhysicsBackendPhysX.cpp

@@ -1201,6 +1201,7 @@ void ScenePhysX::UpdateVehicles(float dt)
 void ScenePhysX::PreSimulateCloth(int32 i)
 {
     PROFILE_CPU();
+    PROFILE_MEM(PhysicsCloth);
     auto clothPhysX = ClothsList[i];
     auto& clothSettings = Cloths[clothPhysX];
 
@@ -1403,6 +1404,7 @@ void ScenePhysX::UpdateCloths(float dt)
     if (!clothSolver || ClothsList.IsEmpty())
         return;
     PROFILE_CPU_NAMED("Physics.Cloth");
+    PROFILE_MEM(PhysicsCloth);
 
     {
         PROFILE_CPU_NAMED("Pre");
@@ -4029,7 +4031,7 @@ void PhysicsBackend::RemoveVehicle(void* scene, WheeledVehicle* actor)
 void* PhysicsBackend::CreateCloth(const PhysicsClothDesc& desc)
 {
     PROFILE_CPU();
-    PROFILE_MEM(Physics);
+    PROFILE_MEM(PhysicsCloth);
 #if USE_CLOTH_SANITY_CHECKS
     {
         // Sanity check

Source/Engine/Profiler/ProfilerMemory.cpp

@@ -263,6 +263,7 @@ void InitProfilerMemory(const Char* cmdLine, int32 stage)
     INIT_PARENT(Level, LevelTerrain);
     INIT_PARENT(Navigation, NavigationMesh);
     INIT_PARENT(Navigation, NavigationBuilding);
+    INIT_PARENT(Physics, PhysicsCloth);
     INIT_PARENT(Scripting, ScriptingVisual);
     INIT_PARENT(Scripting, ScriptingCSharp);
     INIT_PARENT(ScriptingCSharp, ScriptingCSharpGCCommitted);

Source/Engine/Profiler/ProfilerMemory.h

@@ -120,6 +120,8 @@ public:
 
         // Total physics memory.
         Physics,
+        // Cloth simulation and particles data.
+        PhysicsCloth,
 
         // Total scripting memory allocated by game.
         Scripting,

Source/Engine/Terrain/TerrainPatch.cpp

@@ -2241,11 +2241,11 @@ void TerrainPatch::DestroyCollision()
     _physicsHeightField = nullptr;
 #if TERRAIN_USE_PHYSICS_DEBUG
     _debugLinesDirty = true;
-    SAFE_DELETE(_debugLines);
+    SAFE_DELETE_GPU_RESOURCE(_debugLines);
 #endif
 #if USE_EDITOR
     _collisionTriangles.Resize(0);
-    SAFE_DELETE(_collisionTrianglesBuffer);
+    SAFE_DELETE_GPU_RESOURCE(_collisionTrianglesBuffer);
     _collisionTrianglesBufferDirty = true;
 #endif
     _collisionVertices.Resize(0);

Source/Engine/Tools/ModelTool/MeshAccelerationStructure.cpp

@@ -349,7 +349,7 @@ void MeshAccelerationStructure::Add(Model* model, int32 lodIndex)
         meshData.IndexBuffer.Copy(indexStream.GetData());
         meshData.VertexBuffer.Allocate(meshData.Vertices * sizeof(Float3));
         positionStream.CopyTo(ToSpan(meshData.VertexBuffer.Get<Float3>(), meshData.Vertices));
-        meshData.Use16BitIndexBuffer = mesh.Use16BitIndexBuffer();
+        meshData.Use16BitIndexBuffer = indexStream.GetFormat() == PixelFormat::R16_UInt;
         meshData.Bounds = mesh.GetBox();
     }
 }

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

@@ -595,7 +595,7 @@ namespace FlaxEngine.GUI
                 Size = new Float2(size.X - margin, size.Y),
                 Font = Font,
                 TextColor = TextColor * 0.9f,
-                TextColorHighlighted = TextColorHighlighted.Brightness < 0.05f ? Color.Lerp(TextColorHighlighted, Color.White, 0.3f) : TextColorHighlighted,
+                TextColorHighlighted = BackgroundColorSelected.Brightness < 0.05f ? Color.Lerp(TextColorHighlighted, Color.White, 0.3f) : TextColorHighlighted,
                 HorizontalAlignment = HorizontalAlignment,
                 VerticalAlignment = VerticalAlignment,
                 Text = _items[i],

Source/Tools/Flax.Build/Platforms/Windows/WindowsToolchainBase.cs

@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices;
 using System.Text;
 using System.Xml;
 using Flax.Build.Graph;
@@ -26,6 +25,11 @@ namespace Flax.Build.Platforms
         /// </summary>
         protected readonly string _vcToolPath;
 
+        /// <summary>
+        /// The VC tools version.
+        /// </summary>
+        protected readonly string _vcToolVersion;
+
         /// <summary>
         /// The compiler path.
         /// </summary>
@@ -147,6 +151,21 @@ namespace Flax.Build.Platforms
             _libToolPath = Path.Combine(_vcToolPath, "lib.exe");
             _xdcmakePath = Path.Combine(_vcToolPath, "xdcmake.exe");
 
+            // Find 'MSVC\XX.YY.ZZ\bin' to get version
+            _vcToolVersion = string.Empty;
+            var pathParts = _vcToolPath.Split('\\');
+            if (pathParts.Length >= 3)
+            {
+                for (int i = 3; i < pathParts.Length; i++)
+                {
+                    if (pathParts[i] == "bin" && pathParts[i - 2] == "MSVC")
+                    {
+                        _vcToolVersion = pathParts[i - 1];
+                        break;
+                    }
+                }
+            }
+
             // Add Visual C++ toolset include and library paths
             var vcToolChainDir = toolsets[Toolset];
             SystemIncludePaths.Add(Path.Combine(vcToolChainDir, "include"));
@@ -370,7 +389,7 @@ namespace Flax.Build.Platforms
         public override void LogInfo()
         {
             var sdkPath = WindowsPlatformBase.GetSDKs()[SDK];
-            Log.Info(string.Format("Using Windows Toolset {0} ({1})", Toolset, sdkPath));
+            Log.Info(string.Format("Using Windows Toolset {0}, {2} ({1})", Toolset, sdkPath, _vcToolVersion));
             Log.Info(string.Format("Using Windows SDK {0} ({1})", WindowsPlatformBase.GetSDKVersion(SDK), _vcToolPath));
         }
 
@@ -673,8 +692,9 @@ namespace Flax.Build.Platforms
                 var pchSourceFile = Path.Combine(options.IntermediateFolder, Path.ChangeExtension(pchFilName, "cpp"));
                 var contents = Bindings.BindingsGenerator.GetStringBuilder();
                 contents.AppendLine("// This code was auto-generated. Do not modify it.");
-                // TODO: write compiler version to properly rebuild pch on Visual Studio updates
                 contents.Append("// Compiler: ").AppendLine(_compilerPath);
+                contents.Append("// Toolchain: ").AppendLine(_vcToolVersion);
+                contents.Append("// CppVersion: ").AppendLine(compileEnvironment.CppVersion.ToString());
                 contents.Append("#include \"").Append(pchSource).AppendLine("\"");
                 Utilities.WriteFileIfChanged(pchSourceFile, contents.ToString());
                 Bindings.BindingsGenerator.PutStringBuilder(contents);