Update scene graph

Ghost.Editor.Core/SceneGraph/SceneNode.cs

@@ -1,154 +1,5 @@
-using Ghost.Engine.Core;
-using Ghost.Entities;
-using System.Collections.ObjectModel;
-
 namespace Ghost.Editor.Core.SceneGraph;
 
-/// <summary>
-/// Represents a scene node in the editor scene graph hierarchy.
-/// Contains editor-only metadata like display name and root entities.
-/// </summary>
-public class SceneNode
+public sealed partial class SceneNode : SceneGraphNode
 {
-    private string _name;
-    private readonly ObservableCollection<EntityNode> _rootEntities;
-
-    /// <summary>
-    /// Gets or sets the runtime scene this node represents.
-    /// </summary>
-    public Scene Scene { get; set; }
-
-    /// <summary>
-    /// Gets or sets the display name for this scene in the editor.
-    /// This is NOT stored in runtime data.
-    /// </summary>
-    public string Name
-    {
-        get => _name;
-        set
-        {
-            _name = value;
-            OnNameChanged?.Invoke(this);
-        }
-    }
-
-    /// <summary>
-    /// Gets or sets the file path where this scene is saved.
-    /// </summary>
-    public string? FilePath { get; set; }
-
-    /// <summary>
-    /// Gets or sets whether this scene is currently loaded in the editor.
-    /// </summary>
-    public bool IsLoaded { get; set; }
-
-    /// <summary>
-    /// Gets or sets whether this scene has unsaved changes.
-    /// </summary>
-    public bool IsDirty { get; set; }
-
-    /// <summary>
-    /// Gets the collection of root entity nodes in this scene.
-    /// </summary>
-    public ObservableCollection<EntityNode> RootEntities => _rootEntities;
-
-    /// <summary>
-    /// Event raised when the name property changes.
-    /// </summary>
-    public event Action<SceneNode>? OnNameChanged;
-
-    /// <summary>
-    /// Event raised when root entities collection changes.
-    /// </summary>
-    public event Action<SceneNode>? OnRootEntitiesChanged;
-
-    public SceneNode(Scene scene, string name = "New Scene")
-    {
-        Scene = scene;
-        _name = name;
-        _rootEntities = [];
-        _rootEntities.CollectionChanged += (s, e) => OnRootEntitiesChanged?.Invoke(this);
-    }
-
-    /// <summary>
-    /// Adds a root entity node to this scene.
-    /// </summary>
-    /// <param name="entityNode">The entity node to add.</param>
-    public void AddRootEntity(EntityNode entityNode)
-    {
-        // Remove from previous parent if any
-        if (entityNode.Parent != null)
-        {
-            entityNode.Parent.RemoveChild(entityNode);
-        }
-
-        entityNode.Parent = null;
-        entityNode.OwnerScene = this;
-        _rootEntities.Add(entityNode);
-    }
-
-    /// <summary>
-    /// Removes a root entity node from this scene.
-    /// </summary>
-    /// <param name="entityNode">The entity node to remove.</param>
-    /// <returns>True if the entity was removed, false otherwise.</returns>
-    public bool RemoveRootEntity(EntityNode entityNode)
-    {
-        if (_rootEntities.Remove(entityNode))
-        {
-            entityNode.OwnerScene = null;
-            return true;
-        }
-
-        return false;
-    }
-
-    /// <summary>
-    /// Gets all entity nodes in this scene (root and descendants) in depth-first order.
-    /// </summary>
-    /// <returns>An enumerable of all entity nodes in the scene.</returns>
-    public IEnumerable<EntityNode> GetAllEntities()
-    {
-        foreach (var root in _rootEntities)
-        {
-            yield return root;
-
-            foreach (var descendant in root.GetAllDescendants())
-            {
-                yield return descendant;
-            }
-        }
-    }
-
-    /// <summary>
-    /// Finds an entity node by its entity reference.
-    /// </summary>
-    /// <param name="entity">The entity to search for.</param>
-    /// <returns>The entity node if found, null otherwise.</returns>
-    public EntityNode? FindNode(Entity entity)
-    {
-        foreach (var root in _rootEntities)
-        {
-            var found = root.FindNode(entity);
-            if (found != null)
-            {
-                return found;
-            }
-        }
-
-        return null;
-    }
-
-    /// <summary>
-    /// Marks this scene as dirty (has unsaved changes).
-    /// </summary>
-    public void MarkDirty()
-    {
-        IsDirty = true;
-    }
-
-    public override string ToString()
-    {
-        return $"{Name} (Scene ID: {Scene.ID}, Entities: {_rootEntities.Count})";
-    }
 }