TombEngine · Nickelony · Oct 25, 2025
diff --git a/DarkUI/DarkUI.WPF.Demo/MainWindow.xaml b/DarkUI/DarkUI.WPF.Demo/MainWindow.xaml
@@ -119,6 +119,7 @@
 							</ToggleButton>
 						</StackPanel>
 					</StackPanel>
+
 					<StackPanel>
 						<StackPanel.Margin>
 							<Thickness Bottom="{x:Static darkUI:Defaults.LargeThicknessWidth}" />
@@ -944,6 +945,43 @@
 							</StackPanel>
 						</GroupBox>
 					</StackPanel>
+
+					<StackPanel>
+						<StackPanel.Margin>
+							<Thickness Bottom="{x:Static darkUI:Defaults.LargeThicknessWidth}" />
+						</StackPanel.Margin>
+
+						<TextBlock FontSize="{x:Static local:LocalDefaults.LargeFontSize}" Text="MaterialMapPreview">
+							<TextBlock.Margin>
+								<Thickness Bottom="{x:Static darkUI:Defaults.SmallThicknessWidth}" />
+							</TextBlock.Margin>
+						</TextBlock>
+
+						<StackPanel Orientation="Horizontal">
+							<StackPanel>
+								<StackPanel.Margin>
+									<Thickness Right="{x:Static darkUI:Defaults.MediumThicknessWidth}" />
+								</StackPanel.Margin>
+
+								<Label>Normal (40x40):</Label>
+								<controls:MaterialMapPreview />
+							</StackPanel>
+
+							<StackPanel>
+								<StackPanel.Margin>
+									<Thickness Right="{x:Static darkUI:Defaults.MediumThicknessWidth}" />
+								</StackPanel.Margin>
+
+								<Label>Large (64x64):</Label>
+								<controls:MaterialMapPreview Width="64" Height="64" />
+							</StackPanel>
+
+							<StackPanel>
+								<Label>Small (24x24):</Label>
+								<controls:MaterialMapPreview Width="24" Height="24" />
+							</StackPanel>
+						</StackPanel>
+					</StackPanel>
 				</StackPanel>
 
 				<WindowsFormsHost

diff --git a/DarkUI/DarkUI.WPF/CustomControls/MaterialMapPreview.cs b/DarkUI/DarkUI.WPF/CustomControls/MaterialMapPreview.cs
@@ -0,0 +1,86 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+
+namespace DarkUI.WPF.CustomControls;
+
+/// <summary>
+/// A custom control for displaying material map previews with a checker pattern background.
+/// Displays an image preview with a standardized checker pattern background for transparency visualization.
+/// </summary>
+public class MaterialMapPreview : Control
+{
+	#region Dependency Properties
+
+	/// <summary>
+	/// The image source to display in the preview.
+	/// </summary>
+	public static readonly DependencyProperty ImageSourceProperty =
+		DependencyProperty.Register(
+			nameof(ImageSource),
+			typeof(ImageSource),
+			typeof(MaterialMapPreview),
+			new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.AffectsRender));
+
+	/// <summary>
+	/// The stretch mode for the image.
+	/// </summary>
+	public static readonly DependencyProperty StretchProperty =
+		DependencyProperty.Register(
+			nameof(Stretch),
+			typeof(Stretch),
+			typeof(MaterialMapPreview),
+			new FrameworkPropertyMetadata(Stretch.Uniform, FrameworkPropertyMetadataOptions.AffectsRender));
+
+	/// <summary>
+	/// The stretch direction for the image.
+	/// </summary>
+	public static readonly DependencyProperty StretchDirectionProperty =
+		DependencyProperty.Register(
+			nameof(StretchDirection),
+			typeof(StretchDirection),
+			typeof(MaterialMapPreview),
+			new FrameworkPropertyMetadata(StretchDirection.Both, FrameworkPropertyMetadataOptions.AffectsRender));
+
+	#endregion Dependency Properties
+
+	#region Properties
+
+	/// <summary>
+	/// Gets or sets the image source to display in the preview.
+	/// </summary>
+	public ImageSource? ImageSource
+	{
+		get => (ImageSource?)GetValue(ImageSourceProperty);
+		set => SetValue(ImageSourceProperty, value);
+	}
+
+	/// <summary>
+	/// Gets or sets the stretch mode for the image.
+	/// </summary>
+	public Stretch Stretch
+	{
+		get => (Stretch)GetValue(StretchProperty);
+		set => SetValue(StretchProperty, value);
+	}
+
+	/// <summary>
+	/// Gets or sets the stretch direction for the image.
+	/// </summary>
+	public StretchDirection StretchDirection
+	{
+		get => (StretchDirection)GetValue(StretchDirectionProperty);
+		set => SetValue(StretchDirectionProperty, value);
+	}
+
+	#endregion Properties
+
+	#region Constructor
+
+	static MaterialMapPreview()
+	{
+		DefaultStyleKeyProperty.OverrideMetadata(typeof(MaterialMapPreview), new FrameworkPropertyMetadata(typeof(MaterialMapPreview)));
+	}
+
+	#endregion Constructor
+}
diff --git a/DarkUI/DarkUI.WPF/Generic.xaml b/DarkUI/DarkUI.WPF/Generic.xaml
@@ -13,6 +13,7 @@
 		<ResourceDictionary Source="Styles/GroupBox.xaml" />
 		<ResourceDictionary Source="Styles/Label.xaml" />
 		<ResourceDictionary Source="Styles/ListBox.xaml" />
+		<ResourceDictionary Source="Styles/MaterialMapPreview.xaml" />
 		<ResourceDictionary Source="Styles/Menu.xaml" />
 		<ResourceDictionary Source="Styles/NumericUpDown.xaml" />
 		<ResourceDictionary Source="Styles/ProgressBar.xaml" />

diff --git a/DarkUI/DarkUI.WPF/Styles/MaterialMapPreview.xaml b/DarkUI/DarkUI.WPF/Styles/MaterialMapPreview.xaml
@@ -0,0 +1,66 @@
+<ResourceDictionary
+	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+	xmlns:controls="clr-namespace:DarkUI.WPF.CustomControls"
+	xmlns:local="clr-namespace:DarkUI.WPF">
+
+	<Style TargetType="{x:Type controls:MaterialMapPreview}">
+		<!--  Control properties  -->
+		<Setter Property="Focusable" Value="False" />
+
+		<!--  Layout  -->
+		<Setter Property="Width" Value="40" />
+		<Setter Property="Height" Value="40" />
+		<Setter Property="SnapsToDevicePixels" Value="{x:Static local:Defaults.SnapsToDevicePixels}" />
+		<Setter Property="UseLayoutRounding" Value="{x:Static local:Defaults.UseLayoutRounding}" />
+
+		<!--  Brushes  -->
+		<Setter Property="BorderBrush" Value="{DynamicResource Brush_Border}" />
+
+		<!--  Thicknesses  -->
+		<Setter Property="BorderThickness" Value="{x:Static local:Defaults.BorderThickness}" />
+
+		<!--  Template  -->
+		<Setter Property="Template">
+			<Setter.Value>
+				<ControlTemplate TargetType="{x:Type controls:MaterialMapPreview}">
+					<Border
+						BorderBrush="{TemplateBinding BorderBrush}"
+						BorderThickness="{TemplateBinding BorderThickness}"
+						SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
+						UseLayoutRounding="{TemplateBinding UseLayoutRounding}">
+						<Border.Background>
+							<DrawingBrush
+								TileMode="Tile"
+								Viewport="0,0,8,8"
+								ViewportUnits="Absolute">
+								<DrawingBrush.Drawing>
+									<DrawingGroup>
+										<GeometryDrawing Brush="#FFCCCCCC">
+											<GeometryDrawing.Geometry>
+												<RectangleGeometry Rect="0,0,8,8" />
+											</GeometryDrawing.Geometry>
+										</GeometryDrawing>
+										<GeometryDrawing Brush="#FFAAAAAA">
+											<GeometryDrawing.Geometry>
+												<GeometryGroup>
+													<RectangleGeometry Rect="0,0,4,4" />
+													<RectangleGeometry Rect="4,4,4,4" />
+												</GeometryGroup>
+											</GeometryDrawing.Geometry>
+										</GeometryDrawing>
+									</DrawingGroup>
+								</DrawingBrush.Drawing>
+							</DrawingBrush>
+						</Border.Background>
+
+						<Image
+							Source="{TemplateBinding ImageSource}"
+							Stretch="{TemplateBinding Stretch}"
+							StretchDirection="{TemplateBinding StretchDirection}" />
+					</Border>
+				</ControlTemplate>
+			</Setter.Value>
+		</Setter>
+	</Style>
+</ResourceDictionary>
diff --git a/TombEditor/ToolWindows/TexturePanel.cs b/TombEditor/ToolWindows/TexturePanel.cs
@@ -7,8 +7,11 @@
 using TombEditor.Controls.ContextMenus;
 using TombEditor.Forms;
 using TombLib.Forms;
+using TombLib.Forms.ViewModels;
+using TombLib.Forms.Views;
 using TombLib.LevelData;
 using TombLib.Utils;
+using TombLib.WPF;
 
 namespace TombEditor.ToolWindows
 {
@@ -140,7 +143,7 @@ private void UpdateUI()
 			butAnimationRanges.Enabled =
 			butMaterialEditor.Enabled = comboCurrentTexture.SelectedItem != null;
 
-            butTextureSounds.Enabled = comboCurrentTexture.SelectedItem != null && 
+            butTextureSounds.Enabled = comboCurrentTexture.SelectedItem != null &&
                 _editor.Level.Settings.GameVersion.Native() >= TRVersion.Game.TR3;
 
             butBumpMaps.Enabled = comboCurrentTexture.SelectedItem != null &&
@@ -281,11 +284,15 @@ protected override void OnMouseUp(MouseEventArgs e)
 		private void butMaterialEditor_Click(object sender, EventArgs e)
 		{
 			var list = comboCurrentTexture.Items.Cast<Texture>();
-			using (var form = new FormMaterialEditor(list, _editor.Configuration, comboCurrentTexture.SelectedItem as Texture))
-			{
-				if (form.ShowDialog() == DialogResult.OK && form.MaterialChanged)
-					_editor.SendMessage("Material settings for selected texture were saved to " + form.MaterialFileName + ".", PopupType.Info);
-			}
+
+			var viewModel = new MaterialEditorWindowViewModel(list.ToList(), comboCurrentTexture.SelectedItem as Texture);
+
+			var window = new MaterialEditorWindow { DataContext = viewModel };
+			window.SetOwner(this);
+			window.ShowDialog();
+
+			if (viewModel.DialogResult == true)
+				_editor.SendMessage("Material settings for selected texture were saved to " + viewModel.MaterialFileName + ".", PopupType.Info);
 		}
 	}
 }