FyroxEngine · mrDIMAS · Jun 11, 2026 · Jun 5, 2026 · Jun 6, 2026 · Jun 7, 2026
diff --git a/editor/src/asset/item.rs b/editor/src/asset/item.rs
@@ -26,7 +26,7 @@ use crate::{
         asset::{manager::ResourceManager, untyped::UntypedResource, Resource, TypedResourceData},
         core::{
             algebra::Vector2, color::Color, futures::executor::block_on, make_relative_path,
-            parking_lot::lock_api::Mutex, pool::Handle, reflect::prelude::*, visitor::prelude::*,
+            pool::Handle, reflect::prelude::*, visitor::prelude::*,
         },
         graph::SceneGraph,
         gui::{
@@ -54,10 +54,10 @@ use fyrox::core::ok_or_return;
 use fyrox::gui::border::Border;
 use fyrox::gui::image::Image;
 use fyrox::gui::message::MessageData;
+use fyrox::gui::widget::UserData;
 use std::{
     ops::{Deref, DerefMut},
     path::{Path, PathBuf},
-    sync::Arc,
 };
 
 pub const DEFAULT_SIZE: f32 = 60.0;
@@ -79,7 +79,7 @@ pub enum AssetItemMessage {
 impl MessageData for AssetItemMessage {}
 
 #[allow(dead_code)]
-#[derive(Debug, Clone, Visit, Reflect)]
+#[derive(Debug, Clone, Visit, PartialEq, Reflect)]
 #[reflect(
     derived_type = "UiNode",
     type_uuid = "54f7d9c1-e707-4c8c-a5c9-3fc5cc80b545"
@@ -432,7 +432,7 @@ impl AssetItemBuilder {
         let item = AssetItem {
             widget: self
                 .widget_builder
-                .with_user_data(Arc::new(Mutex::new(self.path.clone())))
+                .with_user_data(UserData::new(self.path.clone()))
                 .with_margin(Thickness::uniform(1.0))
                 .with_allow_drag(true)
                 .with_allow_drop(true)

diff --git a/editor/src/asset/menu.rs b/editor/src/asset/menu.rs
@@ -61,7 +61,7 @@ use std::{
     path::PathBuf,
 };
 
-#[derive(Clone, Visit, Reflect, Debug)]
+#[derive(Clone, Visit, PartialEq, Reflect, Debug)]
 #[reflect(derived_type = "UiNode")]
 #[reflect(type_uuid = "8c9934ad-b4e1-4c68-9876-f253e34c6667")]
 struct AssetRenameDialog {

diff --git a/editor/src/asset/selector.rs b/editor/src/asset/selector.rs
@@ -79,7 +79,7 @@ pub enum AssetSelectorMessage {
 impl MessageData for AssetSelectorMessage {}
 
 #[derive(Clone, Debug, Reflect, Visit)]
-#[reflect(type_uuid = "aa4f0726-8d25-4c90-add1-92ba392310c6")]
+#[reflect(type_uuid = "aa4f0726-8d25-4c90-add1-92ba392310c6", non_comparable)]
 struct Item {
     pub widget: Widget,
     image: Handle<Image>,
@@ -229,7 +229,7 @@ impl ItemBuilder {
     }
 }
 
-#[derive(Clone, Debug, Reflect, Visit)]
+#[derive(Clone, Debug, PartialEq, Reflect, Visit)]
 #[reflect(type_uuid = "970bb83b-51e8-48e7-8050-f97bf0ac470b")]
 pub struct AssetSelector {
     pub widget: Widget,
@@ -387,7 +387,7 @@ impl<'a> AssetSelectorBuilder<'a> {
     }
 }
 
-#[derive(Clone, Debug, Reflect, Visit)]
+#[derive(Clone, Debug, PartialEq, Reflect, Visit)]
 #[reflect(type_uuid = "c348ad3d-52a6-40ad-a5e4-bf63fefe1906")]
 pub struct AssetSelectorWindow {
     pub window: Window,
@@ -591,7 +591,7 @@ impl<'a> AssetSelectorWindowBuilder<'a> {
 }
 
 #[derive(Reflect, Visit, Debug)]
-#[reflect(type_uuid = "7839eb64-1e6e-4e40-a8fb-53c9d0945b16")]
+#[reflect(type_uuid = "7839eb64-1e6e-4e40-a8fb-53c9d0945b16", non_comparable)]
 pub struct AssetSelectorMixin<T: TypedResourceData> {
     pub selector: Cell<Handle<AssetSelectorWindow>>,
     pub select: Handle<Button>,

diff --git a/editor/src/audio/bus.rs b/editor/src/audio/bus.rs
@@ -47,7 +47,7 @@ pub enum AudioBusViewMessage {
 }
 impl MessageData for AudioBusViewMessage {}
 
-#[derive(Clone, Visit, Reflect, Debug)]
+#[derive(Clone, Visit, PartialEq, Reflect, Debug)]
 #[reflect(
     derived_type = "UiNode",
     type_uuid = "5439e3a9-096a-4155-922c-ed57a76a46f3"

diff --git a/editor/src/interaction/gizmo/move_gizmo.rs b/editor/src/interaction/gizmo/move_gizmo.rs
@@ -52,7 +52,7 @@ use fyrox::scene::camera::Camera;
 use fyrox::scene::mesh::Mesh;
 use fyrox::scene::pivot::Pivot;
 
-#[derive(Reflect, Debug, Clone)]
+#[derive(PartialEq, Reflect, Debug, Clone)]
 #[reflect(type_uuid = "060abe31-ce96-4696-aa5d-e44e9639df0e")]
 pub struct MoveGizmo {
     pub origin: Handle<Pivot>,

diff --git a/editor/src/interaction/gizmo/rotate_gizmo.rs b/editor/src/interaction/gizmo/rotate_gizmo.rs
@@ -51,15 +51,15 @@ use fyrox::scene::camera::Camera;
 use fyrox::scene::mesh::Mesh;
 use fyrox::scene::pivot::Pivot;
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(non_cloneable, type_uuid = "5ef2c27b-18af-458d-9549-1395f0869551")]
 pub enum RotateGizmoMode {
     Pitch,
     Yaw,
     Roll,
 }
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(non_cloneable, type_uuid = "36fc1ea4-33cd-4108-ae61-bab544f8ac02")]
 pub struct RotationGizmo {
     mode: RotateGizmoMode,

diff --git a/editor/src/interaction/gizmo/scale_gizmo.rs b/editor/src/interaction/gizmo/scale_gizmo.rs
@@ -49,7 +49,7 @@ use fyrox::core::reflect::prelude::*;
 use fyrox::scene::camera::Camera;
 use fyrox::scene::mesh::Mesh;
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(non_cloneable, type_uuid = "0555e074-bbd8-4753-a2ab-56d7092251c1")]
 pub enum ScaleGizmoMode {
     None,
@@ -59,7 +59,7 @@ pub enum ScaleGizmoMode {
     Uniform,
 }
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(non_cloneable, type_uuid = "c8827bb2-1aac-41e7-b2c1-ba04e0dc59e0")]
 pub struct ScaleGizmo {
     mode: ScaleGizmoMode,

diff --git a/editor/src/interaction/move_mode.rs b/editor/src/interaction/move_mode.rs
@@ -52,7 +52,7 @@ use crate::{
 use fyrox::core::some_or_return;
 use fyrox::gui::button::Button;
 
-#[derive(Reflect, Debug, Clone)]
+#[derive(PartialEq, Reflect, Debug, Clone)]
 #[reflect(type_uuid = "067c67e2-865b-4112-8d60-133ee1e1883a")]
 struct Entry {
     node: Handle<Node>,
@@ -62,7 +62,7 @@ struct Entry {
     new_local_position: Vector3<f32>,
 }
 
-#[derive(Reflect, Debug, Clone)]
+#[derive(PartialEq, Reflect, Debug, Clone)]
 #[reflect(type_uuid = "f50af953-308e-40e8-85ae-48c905ba5f46")]
 struct MoveContext {
     #[reflect(hidden)]
@@ -280,7 +280,7 @@ impl MoveContext {
     }
 }
 
-#[derive(Reflect, Debug, Clone)]
+#[derive(PartialEq, Reflect, Debug, Clone)]
 #[reflect(type_uuid = "067c67e2-865b-4112-8d60-133ee1e1883a")]
 pub struct MoveInteractionMode {
     move_context: Option<MoveContext>,

diff --git a/editor/src/interaction/navmesh/mod.rs b/editor/src/interaction/navmesh/mod.rs
@@ -198,7 +198,7 @@ impl NavmeshPanel {
     }
 }
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(
     non_cloneable,
     type_uuid = "986eb5f1-5f17-4373-bffb-1e213e7c97e5",
@@ -220,7 +220,7 @@ impl DragContext {
     }
 }
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(non_cloneable, type_uuid = "a8ed875d-0932-400d-b5b0-e0dcfb78c6c1")]
 pub struct EditNavmeshMode {
     move_gizmo: MoveGizmo,

diff --git a/editor/src/interaction/plane.rs b/editor/src/interaction/plane.rs
@@ -22,7 +22,7 @@ use crate::fyrox::core::{algebra::Vector3, math::plane::Plane, num_traits::Zero}
 use fyrox::core::reflect::prelude::*;
 use strum_macros::EnumIter;
 
-#[derive(Copy, Clone, Debug, EnumIter, Reflect)]
+#[derive(Copy, Clone, PartialEq, Debug, EnumIter, Reflect)]
 #[reflect(type_uuid = "f50af953-308e-40e8-85ae-48c905ba5f46")]
 pub enum PlaneKind {
     X,

diff --git a/editor/src/interaction/rotate_mode.rs b/editor/src/interaction/rotate_mode.rs
@@ -47,7 +47,7 @@ use crate::{
 };
 use fyrox::gui::button::Button;
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(non_cloneable, type_uuid = "37f20364-feb5-4731-8c19-c3df922818d6")]
 pub struct RotateInteractionMode {
     initial_rotations: Vec<UnitQuaternion<f32>>,

diff --git a/editor/src/interaction/scale_mode.rs b/editor/src/interaction/scale_mode.rs
@@ -44,7 +44,7 @@ use crate::{
 };
 use fyrox::gui::button::Button;
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(non_cloneable, type_uuid = "64b4da1a-5d0f-49e1-9f48-011165cd1ec5")]
 pub struct ScaleInteractionMode {
     initial_scales: Vec<Vector3<f32>>,

diff --git a/editor/src/interaction/select_mode.rs b/editor/src/interaction/select_mode.rs
@@ -41,7 +41,7 @@ use fyrox::gui::button::Button;
 use fyrox::gui::image::Image;
 use fyrox::gui::widget::WidgetMessage;
 
-#[derive(Reflect, Debug)]
+#[derive(PartialEq, Reflect, Debug)]
 #[reflect(non_cloneable, type_uuid = "bab9ce8c-d679-4c49-beb9-f5a8482e0678")]
 pub struct SelectInteractionMode {
     preview: Handle<Image>,

diff --git a/editor/src/interaction/terrain.rs b/editor/src/interaction/terrain.rs
@@ -106,7 +106,7 @@ fn handle_undo_chunks(undo_chunks: UndoData, sender: &MessageSender) {
     }
 }
 
-#[derive(Reflect)]
+#[derive(PartialEq, Reflect)]
 #[reflect(
     non_cloneable,
     type_uuid = "bc19eff3-3e3a-49c0-9a9d-17d36fccc34e",
@@ -243,6 +243,7 @@ impl TerrainInteractionMode {
     }
 }
 
+#[derive(PartialEq)]
 pub struct BrushGizmo {
     brush: Handle<Mesh>,
 }
@@ -558,6 +559,7 @@ impl InteractionMode for TerrainInteractionMode {
     }
 }
 
+#[derive(PartialEq)]
 struct BrushPanel {
     window: Handle<Window>,
     inspector: Handle<Inspector>,

diff --git a/editor/src/light.rs b/editor/src/light.rs
@@ -55,7 +55,7 @@ use std::{
     },
 };
 
-#[derive(Reflect, Clone, Debug)]
+#[derive(PartialEq, Reflect, Clone, Debug)]
 #[reflect(type_uuid = "86eed637-0d96-4ad2-9566-a451f0b00237")]
 struct LightmapperSettings {
     /// Name of the property in a material that will be modified in all materials for all surfaces

diff --git a/editor/src/menu/file.rs b/editor/src/menu/file.rs
@@ -41,13 +41,12 @@ use crate::{
     settings::{recent::RecentFiles, Settings},
     Engine, Message, Mode, Panels, SaveSceneConfirmationDialogAction,
 };
-use fyrox::core::parking_lot::Mutex;
 use fyrox::core::uuid::{uuid, Uuid};
 use fyrox::graph::SceneGraph;
 use fyrox::gui::file_browser::FileSelector;
 use fyrox::gui::menu::MenuItem;
 use fyrox::gui::messagebox::MessageBox;
-use std::sync::Arc;
+use fyrox::gui::widget::UserData;
 use std::{path::PathBuf, sync::mpsc::Sender};
 
 pub struct FileMenu {
@@ -82,7 +81,7 @@ fn make_recent_files_items(
         .iter()
         .map(|f| {
             let item = create_menu_item(f.to_string_lossy().as_ref(), Uuid::new_v4(), vec![], ctx);
-            ctx[item].user_data = Some(Arc::new(Mutex::new(RecentFile(f.to_path_buf()))));
+            ctx[item].user_data = Some(UserData::new(RecentFile(f.to_path_buf())));
             item
         })
         .collect::<Vec<_>>()

diff --git a/editor/src/message.rs b/editor/src/message.rs
@@ -128,6 +128,12 @@ pub enum Message {
 #[reflect(hide_all, type_uuid = "86eed637-0d96-4ad2-9566-a451f0b00237")]
 pub struct MessageSender(pub Sender<Message>);
 
+impl PartialEq for MessageSender {
+    fn eq(&self, _other: &Self) -> bool {
+        true
+    }
+}
+
 impl Default for MessageSender {
     fn default() -> Self {
         let (rx, _) = channel();

diff --git a/editor/src/plugins/absm/blendspace.rs b/editor/src/plugins/absm/blendspace.rs
@@ -89,7 +89,7 @@ impl MessageData for BlendSpaceFieldMessage {
     }
 }
 
-#[derive(Clone, Visit, Reflect, Debug)]
+#[derive(Clone, Visit, PartialEq, Reflect, Debug)]
 #[reflect(type_uuid = "5cdb0ab3-b6fd-41c3-a6c4-d1178346eb81")]
 struct ContextMenu {
     #[visit(skip)]
@@ -101,13 +101,13 @@ struct ContextMenu {
     remove_point: Handle<MenuItem>,
 }
 
-#[derive(Clone)]
+#[derive(PartialEq, Clone)]
 enum DragContext {
     SamplingPoint,
     Point { point: usize },
 }
 
-#[derive(Clone, Visit, Reflect)]
+#[derive(Clone, Visit, PartialEq, Reflect)]
 #[reflect(
     derived_type = "UiNode",
     type_uuid = "854a7c2d-3ccd-4331-95e1-956a3a035bd0"
@@ -557,7 +557,7 @@ pub enum BlendSpaceFieldPointMessage {
 }
 impl MessageData for BlendSpaceFieldPointMessage {}
 
-#[derive(Clone, Visit, Reflect, Debug)]
+#[derive(Clone, Visit, PartialEq, Reflect, Debug)]
 #[reflect(
     derived_type = "UiNode",
     type_uuid = "22c215c1-ff23-4a64-9aa7-640b5014a78b"

diff --git a/editor/src/plugins/absm/canvas.rs b/editor/src/plugins/absm/canvas.rs
@@ -113,7 +113,7 @@ impl MessageData for AbsmCanvasMessage {
     }
 }
 
-#[derive(Clone, Visit, Reflect, Debug)]
+#[derive(Clone, Visit, PartialEq, Reflect, Debug)]
 #[reflect(
     derived_type = "UiNode",
     type_uuid = "100b1c33-d017-4fe6-95e7-e1daf310ef27"

diff --git a/editor/src/plugins/absm/connection.rs b/editor/src/plugins/absm/connection.rs
@@ -43,7 +43,7 @@ use fyrox::material::MaterialResource;
 const PICKED_BRUSH: Brush = Brush::Solid(Color::opaque(100, 100, 100));
 const NORMAL_BRUSH: Brush = Brush::Solid(Color::opaque(80, 80, 80));
 
-#[derive(Debug, Clone, Visit, Reflect)]
+#[derive(Debug, Clone, Visit, PartialEq, Reflect)]
 #[reflect(
     derived_type = "UiNode",
     type_uuid = "c802b6fa-a5ef-4464-a097-749c731ffde0"

diff --git a/editor/src/plugins/absm/node.rs b/editor/src/plugins/absm/node.rs
@@ -48,7 +48,7 @@ use std::{
     ops::{Deref, DerefMut},
 };
 
-#[derive(Clone, Debug, Visit, Reflect)]
+#[derive(Clone, Debug, Visit, PartialEq, Reflect)]
 #[reflect(type_uuid = "1a5d0042-3607-4fcb-88c6-025a0bce6111")]
 pub struct AbsmBaseNode {
     pub input_sockets: Vec<Handle<Socket>>,
@@ -58,7 +58,8 @@ pub struct AbsmBaseNode {
 #[derive(Visit, Reflect)]
 #[reflect(
     derived_type = "UiNode",
-    type_uuid = "15bc1a7e-a385-46e0-a65c-7e9c014b4a1d"
+    type_uuid = "15bc1a7e-a385-46e0-a65c-7e9c014b4a1d",
+    non_comparable
 )]
 pub struct AbsmNode<T>
 where

diff --git a/editor/src/plugins/absm/segment.rs b/editor/src/plugins/absm/segment.rs
@@ -31,7 +31,7 @@ pub enum SegmentMessage {
 }
 impl MessageData for SegmentMessage {}
 
-#[derive(Debug, Clone, Reflect, Visit)]
+#[derive(Debug, Clone, Reflect, PartialEq, Visit)]
 #[reflect(type_uuid = "fda5a731-e927-40e5-9d96-e19104fbb63e")]
 pub struct Segment {
     pub source: Handle<UiNode>,

diff --git a/editor/src/plugins/absm/socket.rs b/editor/src/plugins/absm/socket.rs
@@ -53,7 +53,7 @@ pub enum SocketDirection {
     Output,
 }
 
-#[derive(Clone, Debug, Visit, Reflect)]
+#[derive(Clone, Debug, Visit, PartialEq, Reflect)]
 #[reflect(
     derived_type = "UiNode",
     type_uuid = "a6c0473e-7073-4e91-a681-cf88795af52a"

diff --git a/editor/src/plugins/absm/transition.rs b/editor/src/plugins/absm/transition.rs
@@ -54,7 +54,7 @@ pub enum TransitionMessage {
 }
 impl MessageData for TransitionMessage {}
 
-#[derive(Clone, Debug, Visit, Reflect)]
+#[derive(Clone, Debug, Visit, PartialEq, Reflect)]
 #[reflect(
     derived_type = "UiNode",
     type_uuid = "01798aee-8fe5-4480-a69d-8e5b95c3cc96"