[Editor] Add IPartDesignViewModel and fixup asset composite hierarchy view models

Kryptos-FR · Kryptos-FR · commit de6c3922f37c · 2025-05-01T13:15:48.000+02:00
diff --git a/sources/editor/Stride.Assets.Editor/ViewModels/EntityHierarchyEditorViewModel.cs b/sources/editor/Stride.Assets.Editor/ViewModels/EntityHierarchyEditorViewModel.cs
@@ -9,7 +9,7 @@
 
 namespace Stride.Assets.Editor.ViewModels;
 
-public abstract class EntityHierarchyEditorViewModel : AssetCompositeHierarchyEditorViewModel<EntityDesign, Entity, EntityHierarchyViewModel, EntityHierarchyItemViewModel>
+public abstract class EntityHierarchyEditorViewModel : AssetCompositeHierarchyEditorViewModel<EntityDesign, Entity, EntityHierarchyViewModel, EntityViewModel>
 {
     protected EntityHierarchyEditorViewModel(EntityHierarchyViewModel asset)
         : base(asset)
@@ -22,7 +22,7 @@ protected EntityHierarchyEditorViewModel(EntityHierarchyViewModel asset)
     protected override async Task RefreshEditorProperties()
     {
         EditorProperties.UpdateTypeAndName(SelectedItems, x => "Entity", x => x.Name, "entities");
-        await EditorProperties.GenerateSelectionPropertiesAsync(SelectedItems.OfType<EntityViewModel>());
+        await EditorProperties.GenerateSelectionPropertiesAsync(SelectedItems);
     }
 
     /// <inheritdoc />
diff --git a/sources/editor/Stride.Assets.Editor/ViewModels/PrefabEditorViewModel.cs b/sources/editor/Stride.Assets.Editor/ViewModels/PrefabEditorViewModel.cs
@@ -13,14 +13,9 @@ public sealed class PrefabEditorViewModel : EntityHierarchyEditorViewModel, IAss
     public PrefabEditorViewModel(PrefabViewModel asset)
         : base(asset)
     {
+        RootPart = new PrefabRootViewModel(Asset);
     }
 
     /// <inheritdoc />
     public override PrefabViewModel Asset => (PrefabViewModel)base.Asset;
-
-    /// <inheritdoc />
-    protected override PrefabRootViewModel CreateRootPartViewModel()
-    {
-        return new PrefabRootViewModel(Asset);
-    }
 }
diff --git a/sources/editor/Stride.Assets.Editor/ViewModels/SceneEditorViewModel.cs b/sources/editor/Stride.Assets.Editor/ViewModels/SceneEditorViewModel.cs
@@ -13,14 +13,9 @@ public sealed class SceneEditorViewModel : EntityHierarchyEditorViewModel, IAsse
     public SceneEditorViewModel(SceneViewModel asset)
         : base(asset)
     {
+        RootPart = new SceneRootViewModel(Asset);
     }
 
     /// <inheritdoc />
     public override SceneViewModel Asset => (SceneViewModel)base.Asset;
-
-    /// <inheritdoc />
-    protected override SceneRootViewModel CreateRootPartViewModel()
-    {
-        return new SceneRootViewModel(Asset);
-    }
 }
diff --git a/sources/editor/Stride.Assets.Editor/ViewModels/UIEditorBaseViewModel.cs b/sources/editor/Stride.Assets.Editor/ViewModels/UIEditorBaseViewModel.cs
@@ -8,7 +8,7 @@
 
 namespace Stride.Assets.Editor.ViewModels;
 
-public abstract class UIEditorBaseViewModel : AssetCompositeHierarchyEditorViewModel<UIElementDesign, UIElement, UIBaseViewModel, UIHierarchyItemViewModel>
+public abstract class UIEditorBaseViewModel : AssetCompositeHierarchyEditorViewModel<UIElementDesign, UIElement, UIBaseViewModel, UIElementViewModel>
 {
     protected UIEditorBaseViewModel(UIBaseViewModel asset)
         : base(asset)
@@ -22,7 +22,7 @@ protected override Task RefreshEditorProperties()
     {
         // note: here we are assuming that all items are UIElementViewModel.
         //       if that were to change, revisit this code.
-        EditorProperties.UpdateTypeAndName(SelectedItems.OfType<UIElementViewModel>(), SelectedItems.Count, e => e.ElementType.Name, e => e.AssetSideUIElement.Name, "elements");
-        return EditorProperties.GenerateSelectionPropertiesAsync(SelectedItems.OfType<UIElementViewModel>());
+        EditorProperties.UpdateTypeAndName(SelectedItems, SelectedItems.Count, e => e.ElementType.Name, e => e.AssetSideUIElement.Name, "elements");
+        return EditorProperties.GenerateSelectionPropertiesAsync(SelectedItems);
     }
 }
diff --git a/sources/editor/Stride.Assets.Editor/ViewModels/UILibraryEditorViewModel.cs b/sources/editor/Stride.Assets.Editor/ViewModels/UILibraryEditorViewModel.cs
@@ -13,14 +13,9 @@ public sealed class UILibraryEditorViewModel : UIEditorBaseViewModel, IAssetEdit
     public UILibraryEditorViewModel(UILibraryViewModel asset)
         : base(asset)
     {
+        RootPart = new UILibraryRootViewModel(Asset);
     }
 
     /// <inheritdoc />
     public override UILibraryViewModel Asset => (UILibraryViewModel)base.Asset;
-
-    /// <inheritdoc />
-    protected override UILibraryRootViewModel CreateRootPartViewModel()
-    {
-        return new UILibraryRootViewModel(Asset);
-    }
 }
diff --git a/sources/editor/Stride.Assets.Editor/ViewModels/UIPageEditorViewModel.cs b/sources/editor/Stride.Assets.Editor/ViewModels/UIPageEditorViewModel.cs
@@ -13,14 +13,9 @@ public sealed class UIPageEditorViewModel : UIEditorBaseViewModel, IAssetEditorV
     public UIPageEditorViewModel(UIPageViewModel asset)
         : base(asset)
     {
+        RootPart = new UIPageRootViewModel(Asset);
     }
 
     /// <inheritdoc />
     public override UIPageViewModel Asset => (UIPageViewModel)base.Asset;
-
-    /// <inheritdoc />
-    protected override UIPageRootViewModel CreateRootPartViewModel()
-    {
-        return new UIPageRootViewModel(Asset);
-    }
 }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/EntityViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/EntityViewModel.cs
@@ -12,20 +12,20 @@
 
 namespace Stride.Assets.Presentation.ViewModels;
 
-public sealed class EntityViewModel : EntityHierarchyItemViewModel, IAssetPropertyProviderViewModel
+public sealed class EntityViewModel : EntityHierarchyItemViewModel, IPartDesignViewModel<EntityDesign, Entity>, IAssetPropertyProviderViewModel
 {
     private readonly MemberGraphNodeBinding<string> nameNodeBinding;
 
     public EntityViewModel(EntityHierarchyViewModel asset, EntityDesign entityDesign)
         : base(asset, GetOrCreateChildPartDesigns((EntityHierarchyAssetBase)asset.Asset, entityDesign))
     {
-        EntityDesign = entityDesign;
+        PartDesign = entityDesign;
 
         var assetNode = asset.Session.AssetNodeContainer.GetOrCreateNode(entityDesign.Entity);
         nameNodeBinding = new MemberGraphNodeBinding<string>(assetNode[nameof(Entity.Name)], nameof(Name), OnPropertyChanging, OnPropertyChanged, ServiceProvider.TryGet<IUndoRedoService>());
     }
 
-    public Entity AssetSideEntity => EntityDesign.Entity;
+    public Entity AssetSideEntity => PartDesign.Entity;
 
     /// <inheritdoc/>
     public override AbsoluteId Id => new(Asset.Id, AssetSideEntity.Id);
@@ -40,7 +40,8 @@ public override string? Name
         set => nameNodeBinding.Value = value;
     }
 
-    internal EntityDesign EntityDesign { get; }
+    /// <inheritdoc/>
+    public EntityDesign PartDesign { get; }
 
     bool IPropertyProviderViewModel.CanProvidePropertiesViewModel => true;
 
@@ -55,7 +56,7 @@ public override GraphNodePath GetNodePath()
         path.PushMember(nameof(EntityHierarchy.Hierarchy.Parts));
         path.PushTarget();
         path.PushIndex(new NodeIndex(Id.ObjectId));
-        path.PushMember(nameof(EntityDesign.Entity));
+        path.PushMember(nameof(PartDesign.Entity));
         path.PushTarget();
         return path;
     }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/PrefabViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/PrefabViewModel.cs
@@ -19,5 +19,5 @@ public PrefabViewModel(ConstructorParameters parameters)
     }
 
     /// <inheritdoc />
-    public new PrefabAsset Asset => (PrefabAsset)base.Asset;
+    public override PrefabAsset Asset => (PrefabAsset)base.Asset;
 }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/SceneRootViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/SceneRootViewModel.cs
@@ -21,5 +21,9 @@ public SceneRootViewModel(SceneViewModel asset)
     /// <inheritdoc/>
     public override AbsoluteId Id => new(Asset.Id, sceneId);
 
+    /// <inheritdoc/>
     public override string? Name { get => "SceneRoot"; set => throw new NotSupportedException($"Cannot change the name of a {nameof(SceneRootViewModel)} object."); }
+
+    /// <inheritdoc/>
+    public override SceneViewModel Asset => (SceneViewModel)base.Asset;
 }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/SceneViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/SceneViewModel.cs
@@ -19,5 +19,5 @@ public SceneViewModel(ConstructorParameters parameters)
     }
 
     /// <inheritdoc />
-    public new SceneAsset Asset => (SceneAsset)base.Asset;
+    public override SceneAsset Asset => (SceneAsset)base.Asset;
 }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/UIElementViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/UIElementViewModel.cs
@@ -13,7 +13,7 @@
 
 namespace Stride.Assets.Presentation.ViewModels;
 
-public class UIElementViewModel : UIHierarchyItemViewModel, IAssetPropertyProviderViewModel
+public sealed class UIElementViewModel : UIHierarchyItemViewModel, IPartDesignViewModel<UIElementDesign, UIElement>, IAssetPropertyProviderViewModel
 {
     private string? name;
 
@@ -28,8 +28,10 @@ public UIElementViewModel(UIBaseViewModel asset, UIElementDesign elementDesign)
 
     public Type ElementType { get; }
 
-    public AbsoluteId Id => new(Asset.Id, AssetSideUIElement.Id);
+    /// <inheritdoc/>
+    public override AbsoluteId Id => new(Asset.Id, AssetSideUIElement.Id);
 
+    /// <inheritdoc/>
     public override string? Name
     {
         get => name;
@@ -54,13 +56,15 @@ public override GraphNodePath GetNodePath()
 
     AssetViewModel IAssetPropertyProviderViewModel.RelatedAsset => Asset;
 
+    UIElementDesign IPartDesignViewModel<UIElementDesign, UIElement>.PartDesign => UIElementDesign;
+
     bool IPropertyProviderViewModel.CanProvidePropertiesViewModel => true;
 
-    private static IEnumerable<UIElementDesign> GetOrCreateChildPartDesigns( UIAssetBase asset, UIElementDesign elementDesign)
+    private static IEnumerable<UIElementDesign> GetOrCreateChildPartDesigns(UIAssetBase asset, UIElementDesign elementDesign)
     {
         switch (elementDesign.UIElement)
         {
-            case ContentControl control:                
+            case ContentControl control:
                 if (control.Content != null)
                 {
                     if (!asset.Hierarchy.Parts.TryGetValue(control.Content.Id, out var partDesign))
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/UIHierarchyItemViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/UIHierarchyItemViewModel.cs
@@ -2,17 +2,21 @@
 // Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
 
 using Stride.Assets.UI;
+using Stride.Core;
 using Stride.Core.Assets.Presentation.ViewModels;
 
 namespace Stride.Assets.Presentation.ViewModels;
 
-public abstract class UIHierarchyItemViewModel : AssetCompositeItemViewModel<UIBaseViewModel, UIHierarchyItemViewModel>
+public abstract class UIHierarchyItemViewModel : AssetCompositeItemViewModel<UIBaseViewModel, UIElementViewModel>, IAssetPartViewModel
 {
     protected UIHierarchyItemViewModel(UIBaseViewModel asset, IEnumerable<UIElementDesign> childElements)
         : base(asset)
     {
         AddItems(childElements.Select(asset.CreatePartViewModel));
     }
 
+    /// <inheritdoc />
+    public abstract AbsoluteId Id { get; }
+
     protected UIAssetBase UIAsset => (UIAssetBase)Asset.Asset;
 }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/UILibraryRootViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/UILibraryRootViewModel.cs
@@ -1,6 +1,7 @@
 // Copyright (c) .NET Foundation and Contributors (https://dotnetfoundation.org/ & https://stride3d.net) and Silicon Studio Corp. (https://www.siliconstudio.co.jp)
 // Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
 
+using Stride.Core;
 using Stride.Core.Assets;
 
 namespace Stride.Assets.Presentation.ViewModels;
@@ -12,5 +13,8 @@ public UILibraryRootViewModel(UILibraryViewModel asset)
     {
     }
 
+    /// <inheritdoc/>
+    public override AbsoluteId Id => new(Asset.Id, Guid.Empty);
+
     public override string? Name { get => "UILibraryRoot"; set => throw new NotSupportedException($"Cannot change the name of a {nameof(UILibraryRootViewModel)} object."); }
 }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/UILibraryViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/UILibraryViewModel.cs
@@ -19,5 +19,5 @@ public UILibraryViewModel(ConstructorParameters parameters)
     }
 
     /// <inheritdoc />
-    public new UILibraryAsset Asset => (UILibraryAsset)base.Asset;
+    public override UILibraryAsset Asset => (UILibraryAsset)base.Asset;
 }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/UIPageRootViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/UIPageRootViewModel.cs
@@ -1,6 +1,7 @@
 // Copyright (c) .NET Foundation and Contributors (https://dotnetfoundation.org/ & https://stride3d.net) and Silicon Studio Corp. (https://www.siliconstudio.co.jp)
 // Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
 
+using Stride.Core;
 using Stride.Core.Assets;
 using Stride.Core.Extensions;
 
@@ -13,5 +14,8 @@ public UIPageRootViewModel(UIPageViewModel asset)
     {
     }
 
+    /// <inheritdoc/>
+    public override AbsoluteId Id => new(Asset.Id, Guid.Empty);
+
     public override string? Name { get => "UIPageRoot"; set => throw new NotSupportedException($"Cannot change the name of a {nameof(UIPageRootViewModel)} object."); }
 }
diff --git a/sources/editor/Stride.Assets.Presentation/ViewModels/UIPageViewModel.cs b/sources/editor/Stride.Assets.Presentation/ViewModels/UIPageViewModel.cs
@@ -19,5 +19,5 @@ public UIPageViewModel(ConstructorParameters parameters)
     }
 
     /// <inheritdoc />
-    public new UIPageAsset Asset => (UIPageAsset)base.Asset;
+    public override UIPageAsset Asset => (UIPageAsset)base.Asset;
 }
diff --git a/sources/editor/Stride.Core.Assets.Editor/ViewModels/AssetCompositeHierarchyEditorViewModel.cs b/sources/editor/Stride.Core.Assets.Editor/ViewModels/AssetCompositeHierarchyEditorViewModel.cs
@@ -17,28 +17,26 @@ namespace Stride.Core.Assets.Editor.ViewModels;
 /// <typeparam name="TAssetViewModel"></typeparam>
 /// <typeparam name="TItemViewModel">The type of a real <see cref="AssetCompositeItemViewModel"/> that can be copied/cut/pasted.</typeparam>
 public abstract class AssetCompositeHierarchyEditorViewModel<TAssetPartDesign, TAssetPart, TAssetViewModel, TItemViewModel>
-    : AssetCompositeEditorViewModel<AssetCompositeHierarchy<TAssetPartDesign, TAssetPart>, AssetCompositeHierarchyViewModel<TAssetPartDesign, TAssetPart>>
+    : AssetCompositeEditorViewModel<AssetCompositeHierarchy<TAssetPartDesign, TAssetPart>, TAssetViewModel>
     where TAssetPartDesign : class, IAssetPartDesign<TAssetPart>
     where TAssetPart : class, IIdentifiable
     where TAssetViewModel : AssetCompositeHierarchyViewModel<TAssetPartDesign, TAssetPart>
-    where TItemViewModel : AssetCompositeItemViewModel<TAssetViewModel, TItemViewModel>
+    where TItemViewModel : AssetCompositeItemViewModel, IPartDesignViewModel<TAssetPartDesign, TAssetPart>, IAssetPartViewModel
 {
-    private TItemViewModel rootPart;
     private bool updateSelectionGuard;
 
     protected AssetCompositeHierarchyEditorViewModel(TAssetViewModel asset)
         : base(asset)
     {
-        rootPart = CreateRootPartViewModel();
 
         SelectedContent.CollectionChanged += SelectedContentCollectionChanged;
         SelectedItems.CollectionChanged += SelectedItemsCollectionChanged;
     }
 
-    public TItemViewModel RootPart { get => rootPart; private set => SetValue(ref rootPart, value); }
+    public required AssetCompositeItemViewModel RootPart { get; init; }
 
     public ObservableSet<TItemViewModel> SelectedItems { get; } = [];
-    
+
     /// <inheritdoc/>
     public override void Destroy()
     {
@@ -70,10 +68,10 @@ public override void Destroy()
         if (RootPart is IAssetPartViewModel item && id == item.Id)
             return item;
 
-        return RootPart?.EnumerateChildren().BreadthFirst(x => x.EnumerateChildren()).FirstOrDefault(part => part is IAssetPartViewModel viewModel && viewModel.Id == id) as IAssetPartViewModel;
+        return RootPart.EnumerateChildren().BreadthFirst(x => x.EnumerateChildren()).FirstOrDefault(part => part is IAssetPartViewModel viewModel && viewModel.Id == id) as IAssetPartViewModel;
     }
 
-    protected abstract TItemViewModel CreateRootPartViewModel();
+    protected abstract AssetCompositeItemViewModel CreateRootPartViewModel();
 
     protected abstract Task RefreshEditorProperties();
 
diff --git a/sources/editor/Stride.Core.Assets.Presentation/ViewModels/AssetCompositeItemViewModel.cs b/sources/editor/Stride.Core.Assets.Presentation/ViewModels/AssetCompositeItemViewModel.cs
diff --git a/sources/editor/Stride.Core.Assets.Presentation/ViewModels/AssetViewModel.cs b/sources/editor/Stride.Core.Assets.Presentation/ViewModels/AssetViewModel.cs
diff --git a/sources/editor/Stride.Core.Assets.Presentation/ViewModels/IPartDesignViewModel.cs b/sources/editor/Stride.Core.Assets.Presentation/ViewModels/IPartDesignViewModel.cs

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@`
`9`	`9`
`10`	`10`	`namespace Stride.Assets.Editor.ViewModels;`
`11`	`11`
`12`		`-public abstract class EntityHierarchyEditorViewModel : AssetCompositeHierarchyEditorViewModel<EntityDesign, Entity, EntityHierarchyViewModel, EntityHierarchyItemViewModel>`
	`12`	`+public abstract class EntityHierarchyEditorViewModel : AssetCompositeHierarchyEditorViewModel<EntityDesign, Entity, EntityHierarchyViewModel, EntityViewModel>`
`13`	`13`	`{`
`14`	`14`	`protected EntityHierarchyEditorViewModel(EntityHierarchyViewModel asset)`
`15`	`15`	`: base(asset)`
`@@ -22,7 +22,7 @@ protected EntityHierarchyEditorViewModel(EntityHierarchyViewModel asset)`
`22`	`22`	`protected override async Task RefreshEditorProperties()`
`23`	`23`	`{`
`24`	`24`	`EditorProperties.UpdateTypeAndName(SelectedItems, x => "Entity", x => x.Name, "entities");`
`25`		`- await EditorProperties.GenerateSelectionPropertiesAsync(SelectedItems.OfType<EntityViewModel>());`
	`25`	`+ await EditorProperties.GenerateSelectionPropertiesAsync(SelectedItems);`
`26`	`26`	`}`
`27`	`27`
`28`	`28`	`/// <inheritdoc />`
Original file line number	Diff line number	Diff line change
`@@ -13,14 +13,9 @@ public sealed class PrefabEditorViewModel : EntityHierarchyEditorViewModel, IAss`
`13`	`13`	`public PrefabEditorViewModel(PrefabViewModel asset)`
`14`	`14`	`: base(asset)`
`15`	`15`	`{`
	`16`	`+ RootPart = new PrefabRootViewModel(Asset);`
`16`	`17`	`}`
`17`	`18`
`18`	`19`	`/// <inheritdoc />`
`19`	`20`	`public override PrefabViewModel Asset => (PrefabViewModel)base.Asset;`
`20`		`-`
`21`		`- /// <inheritdoc />`
`22`		`- protected override PrefabRootViewModel CreateRootPartViewModel()`
`23`		`- {`
`24`		`- return new PrefabRootViewModel(Asset);`
`25`		`- }`
`26`	`21`	`}`
Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`
`9`	`9`	`namespace Stride.Assets.Editor.ViewModels;`
`10`	`10`
`11`		`-public abstract class UIEditorBaseViewModel : AssetCompositeHierarchyEditorViewModel<UIElementDesign, UIElement, UIBaseViewModel, UIHierarchyItemViewModel>`
	`11`	`+public abstract class UIEditorBaseViewModel : AssetCompositeHierarchyEditorViewModel<UIElementDesign, UIElement, UIBaseViewModel, UIElementViewModel>`
`12`	`12`	`{`
`13`	`13`	`protected UIEditorBaseViewModel(UIBaseViewModel asset)`
`14`	`14`	`: base(asset)`
`@@ -22,7 +22,7 @@ protected override Task RefreshEditorProperties()`
`22`	`22`	`{`
`23`	`23`	`// note: here we are assuming that all items are UIElementViewModel.`
`24`	`24`	`// if that were to change, revisit this code.`
`25`		`- EditorProperties.UpdateTypeAndName(SelectedItems.OfType<UIElementViewModel>(), SelectedItems.Count, e => e.ElementType.Name, e => e.AssetSideUIElement.Name, "elements");`
`26`		`- return EditorProperties.GenerateSelectionPropertiesAsync(SelectedItems.OfType<UIElementViewModel>());`
	`25`	`+ EditorProperties.UpdateTypeAndName(SelectedItems, SelectedItems.Count, e => e.ElementType.Name, e => e.AssetSideUIElement.Name, "elements");`
	`26`	`+ return EditorProperties.GenerateSelectionPropertiesAsync(SelectedItems);`
`27`	`27`	`}`
`28`	`28`	`}`
Original file line number	Diff line number	Diff line change
`@@ -19,5 +19,5 @@ public PrefabViewModel(ConstructorParameters parameters)`
`19`	`19`	`}`
`20`	`20`
`21`	`21`	`/// <inheritdoc />`
`22`		`- public new PrefabAsset Asset => (PrefabAsset)base.Asset;`
	`22`	`+ public override PrefabAsset Asset => (PrefabAsset)base.Asset;`
`23`	`23`	`}`
Original file line number	Diff line number	Diff line change
`@@ -21,5 +21,9 @@ public SceneRootViewModel(SceneViewModel asset)`
`21`	`21`	`/// <inheritdoc/>`
`22`	`22`	`public override AbsoluteId Id => new(Asset.Id, sceneId);`
`23`	`23`
	`24`	`+ /// <inheritdoc/>`
`24`	`25`	`public override string? Name { get => "SceneRoot"; set => throw new NotSupportedException($"Cannot change the name of a {nameof(SceneRootViewModel)} object."); }`
	`26`	`+`
	`27`	`+ /// <inheritdoc/>`
	`28`	`+ public override SceneViewModel Asset => (SceneViewModel)base.Asset;`
`25`	`29`	`}`
Original file line number	Diff line number	Diff line change
`@@ -19,5 +19,5 @@ public SceneViewModel(ConstructorParameters parameters)`
`19`	`19`	`}`
`20`	`20`
`21`	`21`	`/// <inheritdoc />`
`22`		`- public new SceneAsset Asset => (SceneAsset)base.Asset;`
	`22`	`+ public override SceneAsset Asset => (SceneAsset)base.Asset;`
`23`	`23`	`}`