Added EditorFlags: Hide entities in hierarchy and editor scene

- Also some Style changes

ScriptCore/Editor/EditorFlags.cs

@@ -0,0 +1,20 @@
+namespace GlitchyEngine.Editor;
+
+/// <summary>
+/// Flags to controls the visibility of the entity in the editor and how it can be interacted with for editing.
+/// </summary>
+public enum EditorFlags : byte
+{
+    /// <summary>
+    /// The default behaviour: The entity is visible in the hierarchy and in the scene, and can be interacted with. 
+    /// </summary>
+    Default = 0,
+    /// <summary>
+    /// The entity is hidden in the hierarchy.
+    /// </summary>
+    HideInHierarchy = 1,
+    /// <summary>
+    /// The entity is hidden in the scene.
+    /// </summary>
+    HideInScene = 2,
+}

ScriptCore/Entity.cs

@@ -7,6 +7,7 @@ using GlitchyEngine.Core;
 using GlitchyEngine.Extensions;
 using GlitchyEngine.Physics;
 using System.Diagnostics.CodeAnalysis;
+using GlitchyEngine.Editor;
 
 namespace GlitchyEngine;
 
@@ -23,6 +24,19 @@ public class Entity : EngineObject
         get => ScriptGlue.Entity_GetName(_uuid);
         set => ScriptGlue.Entity_SetName(_uuid, value);
     }
+    
+    /// <summary>
+    /// Gets or sets the <see cref="EditorFlags"/> of the <see cref="Entity"/>, which specify how the <see cref="Entity"/> is displayed and interacted with in the editor.
+    /// </summary>
+    public EditorFlags EditorFlags
+    {
+        get
+        {
+            ScriptGlue.Entity_GetEditorFlags(_uuid, out EditorFlags flags);
+            return flags;
+        }
+        set => ScriptGlue.Entity_SetEditorFlags(_uuid, value);
+    }
 
     /// <summary>
     /// Only to be called by the engine. Don't call this constructor yourself, it will not result in a valid <see cref="Entity"/>.

ScriptCore/ScriptGlue.cs

@@ -2,6 +2,7 @@ using System;
 using System.Numerics;
 using System.Runtime.CompilerServices;
 using GlitchyEngine.Core;
+using GlitchyEngine.Editor;
 using GlitchyEngine.Math;
 using GlitchyEngine.Physics;
 using GlitchyEngine.Serialization;
@@ -64,6 +65,12 @@ internal static class ScriptGlue
     
     [MethodImpl(MethodImplOptions.InternalCall)]
     public static extern string Entity_SetName(UUID entityId, string name);
+
+    [MethodImpl(MethodImplOptions.InternalCall)]
+    public static extern void Entity_GetEditorFlags(UUID uuid, out EditorFlags flags);
+    
+    [MethodImpl(MethodImplOptions.InternalCall)]
+    public static extern void Entity_SetEditorFlags(UUID uuid, EditorFlags editorFlags);
     
 #endregion Entity