Add override keywords.

59 files changed, 485 insertions, 485 deletions

diff --git a/editor/plugins/abstract_polygon_2d_editor.h b/editor/plugins/abstract_polygon_2d_editor.h
index b3a17f7660..527803150d 100644
--- a/editor/plugins/abstract_polygon_2d_editor.h
+++ b/editor/plugins/abstract_polygon_2d_editor.h
@@ -156,14 +156,14 @@ class AbstractPolygon2DEditorPlugin : public EditorPlugin {
 	String klass;
 
 public:
-	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) { return polygon_editor->forward_gui_input(p_event); }
-	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) { polygon_editor->forward_canvas_draw_over_viewport(p_overlay); }
-
-	bool has_main_screen() const { return false; }
-	virtual String get_name() const { return klass; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return polygon_editor->forward_gui_input(p_event); }
+	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { polygon_editor->forward_canvas_draw_over_viewport(p_overlay); }
+
+	bool has_main_screen() const override { return false; }
+	virtual String get_name() const override { return klass; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	AbstractPolygon2DEditorPlugin(EditorNode *p_node, AbstractPolygon2DEditor *p_polygon_editor, String p_class);
 	~AbstractPolygon2DEditorPlugin();
diff --git a/editor/plugins/animation_blend_space_1d_editor.h b/editor/plugins/animation_blend_space_1d_editor.h
index c319b648ba..5ff5da47c0 100644
--- a/editor/plugins/animation_blend_space_1d_editor.h
+++ b/editor/plugins/animation_blend_space_1d_editor.h
@@ -129,8 +129,8 @@ protected:
 
 public:
 	static AnimationNodeBlendSpace1DEditor *get_singleton() { return singleton; }
-	virtual bool can_edit(const Ref<AnimationNode> &p_node);
-	virtual void edit(const Ref<AnimationNode> &p_node);
+	virtual bool can_edit(const Ref<AnimationNode> &p_node) override;
+	virtual void edit(const Ref<AnimationNode> &p_node) override;
 	AnimationNodeBlendSpace1DEditor();
 };
 
diff --git a/editor/plugins/animation_blend_space_2d_editor.h b/editor/plugins/animation_blend_space_2d_editor.h
index 659b96cefa..64885aeaca 100644
--- a/editor/plugins/animation_blend_space_2d_editor.h
+++ b/editor/plugins/animation_blend_space_2d_editor.h
@@ -142,8 +142,8 @@ protected:
 
 public:
 	static AnimationNodeBlendSpace2DEditor *get_singleton() { return singleton; }
-	virtual bool can_edit(const Ref<AnimationNode> &p_node);
-	virtual void edit(const Ref<AnimationNode> &p_node);
+	virtual bool can_edit(const Ref<AnimationNode> &p_node) override;
+	virtual void edit(const Ref<AnimationNode> &p_node) override;
 	AnimationNodeBlendSpace2DEditor();
 };
 
diff --git a/editor/plugins/animation_blend_tree_editor_plugin.h b/editor/plugins/animation_blend_tree_editor_plugin.h
index 6bdb7e7909..3ebf623eef 100644
--- a/editor/plugins/animation_blend_tree_editor_plugin.h
+++ b/editor/plugins/animation_blend_tree_editor_plugin.h
@@ -129,10 +129,10 @@ public:
 	void add_custom_type(const String &p_name, const Ref<Script> &p_script);
 	void remove_custom_type(const Ref<Script> &p_script);
 
-	virtual Size2 get_minimum_size() const;
+	virtual Size2 get_minimum_size() const override;
 
-	virtual bool can_edit(const Ref<AnimationNode> &p_node);
-	virtual void edit(const Ref<AnimationNode> &p_node);
+	virtual bool can_edit(const Ref<AnimationNode> &p_node) override;
+	virtual void edit(const Ref<AnimationNode> &p_node) override;
 
 	AnimationNodeBlendTreeEditor();
 };
diff --git a/editor/plugins/animation_player_editor_plugin.h b/editor/plugins/animation_player_editor_plugin.h
index fe96deecf2..e11db1390b 100644
--- a/editor/plugins/animation_player_editor_plugin.h
+++ b/editor/plugins/animation_player_editor_plugin.h
@@ -251,16 +251,16 @@ protected:
 	void _notification(int p_what);
 
 public:
-	virtual Dictionary get_state() const { return anim_editor->get_state(); }
-	virtual void set_state(const Dictionary &p_state) { anim_editor->set_state(p_state); }
+	virtual Dictionary get_state() const override { return anim_editor->get_state(); }
+	virtual void set_state(const Dictionary &p_state) override { anim_editor->set_state(p_state); }
 
-	virtual String get_name() const { return "Anim"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "Anim"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
-	virtual void forward_canvas_force_draw_over_viewport(Control *p_overlay) { anim_editor->forward_canvas_force_draw_over_viewport(p_overlay); }
+	virtual void forward_canvas_force_draw_over_viewport(Control *p_overlay) override { anim_editor->forward_canvas_force_draw_over_viewport(p_overlay); }
 
 	AnimationPlayerEditorPlugin(EditorNode *p_node);
 	~AnimationPlayerEditorPlugin();
diff --git a/editor/plugins/animation_state_machine_editor.h b/editor/plugins/animation_state_machine_editor.h
index c4caf2e52b..f78d90bdbf 100644
--- a/editor/plugins/animation_state_machine_editor.h
+++ b/editor/plugins/animation_state_machine_editor.h
@@ -182,8 +182,8 @@ protected:
 
 public:
 	static AnimationNodeStateMachineEditor *get_singleton() { return singleton; }
-	virtual bool can_edit(const Ref<AnimationNode> &p_node);
-	virtual void edit(const Ref<AnimationNode> &p_node);
+	virtual bool can_edit(const Ref<AnimationNode> &p_node) override;
+	virtual void edit(const Ref<AnimationNode> &p_node) override;
 	AnimationNodeStateMachineEditor();
 };
 
diff --git a/editor/plugins/animation_tree_editor_plugin.h b/editor/plugins/animation_tree_editor_plugin.h
index 79a010b0c0..356a078d99 100644
--- a/editor/plugins/animation_tree_editor_plugin.h
+++ b/editor/plugins/animation_tree_editor_plugin.h
@@ -101,11 +101,11 @@ class AnimationTreeEditorPlugin : public EditorPlugin {
 	Button *button;
 
 public:
-	virtual String get_name() const { return "AnimationTree"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "AnimationTree"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	AnimationTreeEditorPlugin(EditorNode *p_node);
 	~AnimationTreeEditorPlugin();
diff --git a/editor/plugins/asset_library_editor_plugin.h b/editor/plugins/asset_library_editor_plugin.h
index d5d381dee3..3fca8a1084 100644
--- a/editor/plugins/asset_library_editor_plugin.h
+++ b/editor/plugins/asset_library_editor_plugin.h
@@ -311,11 +311,11 @@ class AssetLibraryEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "AssetLib"; }
-	bool has_main_screen() const { return true; }
-	virtual void edit(Object *p_object) {}
-	virtual bool handles(Object *p_object) const { return false; }
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "AssetLib"; }
+	bool has_main_screen() const override { return true; }
+	virtual void edit(Object *p_object) override {}
+	virtual bool handles(Object *p_object) const override { return false; }
+	virtual void make_visible(bool p_visible) override;
 	//virtual bool get_remove_list(List<Node*> *p_list) { return canvas_item_editor->get_remove_list(p_list); }
 	//virtual Dictionary get_state() const;
 	//virtual void set_state(const Dictionary& p_state);
diff --git a/editor/plugins/audio_stream_editor_plugin.h b/editor/plugins/audio_stream_editor_plugin.h
index de176aab49..5936b91fa1 100644
--- a/editor/plugins/audio_stream_editor_plugin.h
+++ b/editor/plugins/audio_stream_editor_plugin.h
@@ -63,7 +63,7 @@ protected:
 	void _draw_indicator();
 	void _on_input_indicator(Ref<InputEvent> p_event);
 	void _seek_to(real_t p_x);
-	void _changed_callback(Object *p_changed, const char *p_prop);
+	void _changed_callback(Object *p_changed, const char *p_prop) override;
 	static void _bind_methods();
 
 public:
@@ -78,11 +78,11 @@ class AudioStreamEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "Audio"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "Audio"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	AudioStreamEditorPlugin(EditorNode *p_node);
 	~AudioStreamEditorPlugin();
diff --git a/editor/plugins/baked_lightmap_editor_plugin.h b/editor/plugins/baked_lightmap_editor_plugin.h
index 54eb0f71ec..b4c7c07562 100644
--- a/editor/plugins/baked_lightmap_editor_plugin.h
+++ b/editor/plugins/baked_lightmap_editor_plugin.h
@@ -56,11 +56,11 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual String get_name() const { return "BakedLightmap"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "BakedLightmap"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	BakedLightmapEditorPlugin(EditorNode *p_node);
 	~BakedLightmapEditorPlugin();
diff --git a/editor/plugins/camera_3d_editor_plugin.h b/editor/plugins/camera_3d_editor_plugin.h
index 2603229a46..023f1866df 100644
--- a/editor/plugins/camera_3d_editor_plugin.h
+++ b/editor/plugins/camera_3d_editor_plugin.h
@@ -60,11 +60,11 @@ class Camera3DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "Camera3D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "Camera3D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	Camera3DEditorPlugin(EditorNode *p_node);
 	~Camera3DEditorPlugin();
diff --git a/editor/plugins/canvas_item_editor_plugin.h b/editor/plugins/canvas_item_editor_plugin.h
index c5d74c6fc9..12abf05cf9 100644
--- a/editor/plugins/canvas_item_editor_plugin.h
+++ b/editor/plugins/canvas_item_editor_plugin.h
@@ -649,13 +649,13 @@ class CanvasItemEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "2D"; }
-	bool has_main_screen() const { return true; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
-	virtual Dictionary get_state() const;
-	virtual void set_state(const Dictionary &p_state);
+	virtual String get_name() const override { return "2D"; }
+	bool has_main_screen() const override { return true; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
+	virtual Dictionary get_state() const override;
+	virtual void set_state(const Dictionary &p_state) override;
 
 	CanvasItemEditor *get_canvas_item_editor() { return canvas_item_editor; }
 
@@ -706,8 +706,8 @@ protected:
 	void _notification(int p_what);
 
 public:
-	virtual bool can_drop_data(const Point2 &p_point, const Variant &p_data) const;
-	virtual void drop_data(const Point2 &p_point, const Variant &p_data);
+	virtual bool can_drop_data(const Point2 &p_point, const Variant &p_data) const override;
+	virtual void drop_data(const Point2 &p_point, const Variant &p_data) override;
 
 	CanvasItemEditorViewport(EditorNode *p_node, CanvasItemEditor *p_canvas_item_editor);
 	~CanvasItemEditorViewport();
diff --git a/editor/plugins/collision_polygon_2d_editor_plugin.h b/editor/plugins/collision_polygon_2d_editor_plugin.h
index b0be92db44..482f00a7f7 100644
--- a/editor/plugins/collision_polygon_2d_editor_plugin.h
+++ b/editor/plugins/collision_polygon_2d_editor_plugin.h
@@ -40,8 +40,8 @@ class CollisionPolygon2DEditor : public AbstractPolygon2DEditor {
 	CollisionPolygon2D *node;
 
 protected:
-	virtual Node2D *_get_node() const;
-	virtual void _set_node(Node *p_polygon);
+	virtual Node2D *_get_node() const override;
+	virtual void _set_node(Node *p_polygon) override;
 
 public:
 	CollisionPolygon2DEditor(EditorNode *p_editor);
diff --git a/editor/plugins/collision_polygon_3d_editor_plugin.h b/editor/plugins/collision_polygon_3d_editor_plugin.h
index 05b8df520c..98f499031a 100644
--- a/editor/plugins/collision_polygon_3d_editor_plugin.h
+++ b/editor/plugins/collision_polygon_3d_editor_plugin.h
@@ -101,13 +101,13 @@ class Polygon3DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual bool forward_spatial_gui_input(Camera3D *p_camera, const Ref<InputEvent> &p_event) { return collision_polygon_editor->forward_spatial_gui_input(p_camera, p_event); }
+	virtual bool forward_spatial_gui_input(Camera3D *p_camera, const Ref<InputEvent> &p_event) override { return collision_polygon_editor->forward_spatial_gui_input(p_camera, p_event); }
 
-	virtual String get_name() const { return "Polygon3DEditor"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "Polygon3DEditor"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	Polygon3DEditorPlugin(EditorNode *p_node);
 	~Polygon3DEditorPlugin();
diff --git a/editor/plugins/collision_shape_2d_editor_plugin.h b/editor/plugins/collision_shape_2d_editor_plugin.h
index 6bb621c476..083ceb4b38 100644
--- a/editor/plugins/collision_shape_2d_editor_plugin.h
+++ b/editor/plugins/collision_shape_2d_editor_plugin.h
@@ -90,14 +90,14 @@ class CollisionShape2DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) { return collision_shape_2d_editor->forward_canvas_gui_input(p_event); }
-	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) { collision_shape_2d_editor->forward_canvas_draw_over_viewport(p_overlay); }
-
-	virtual String get_name() const { return "CollisionShape2D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_obj);
-	virtual bool handles(Object *p_obj) const;
-	virtual void make_visible(bool visible);
+	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return collision_shape_2d_editor->forward_canvas_gui_input(p_event); }
+	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { collision_shape_2d_editor->forward_canvas_draw_over_viewport(p_overlay); }
+
+	virtual String get_name() const override { return "CollisionShape2D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_obj) override;
+	virtual bool handles(Object *p_obj) const override;
+	virtual void make_visible(bool visible) override;
 
 	CollisionShape2DEditorPlugin(EditorNode *p_editor);
 	~CollisionShape2DEditorPlugin();
diff --git a/editor/plugins/cpu_particles_2d_editor_plugin.h b/editor/plugins/cpu_particles_2d_editor_plugin.h
index fecbb8b1cd..58984d6d16 100644
--- a/editor/plugins/cpu_particles_2d_editor_plugin.h
+++ b/editor/plugins/cpu_particles_2d_editor_plugin.h
@@ -79,11 +79,11 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual String get_name() const { return "CPUParticles2D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "CPUParticles2D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	CPUParticles2DEditorPlugin(EditorNode *p_node);
 	~CPUParticles2DEditorPlugin();
diff --git a/editor/plugins/cpu_particles_3d_editor_plugin.h b/editor/plugins/cpu_particles_3d_editor_plugin.h
index d9680496ba..90300daf71 100644
--- a/editor/plugins/cpu_particles_3d_editor_plugin.h
+++ b/editor/plugins/cpu_particles_3d_editor_plugin.h
@@ -51,7 +51,7 @@ class CPUParticles3DEditor : public GPUParticles3DEditorBase {
 
 	friend class CPUParticles3DEditorPlugin;
 
-	virtual void _generate_emission_points();
+	virtual void _generate_emission_points() override;
 
 protected:
 	void _notification(int p_notification);
@@ -70,11 +70,11 @@ class CPUParticles3DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "CPUParticles3D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "CPUParticles3D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	CPUParticles3DEditorPlugin(EditorNode *p_node);
 	~CPUParticles3DEditorPlugin();
diff --git a/editor/plugins/curve_editor_plugin.h b/editor/plugins/curve_editor_plugin.h
index c00aa3eca5..2872f65730 100644
--- a/editor/plugins/curve_editor_plugin.h
+++ b/editor/plugins/curve_editor_plugin.h
@@ -43,7 +43,7 @@ class CurveEditor : public Control {
 public:
 	CurveEditor();
 
-	Size2 get_minimum_size() const;
+	Size2 get_minimum_size() const override;
 
 	void set_curve(Ref<Curve> curve);
 
@@ -123,8 +123,8 @@ class EditorInspectorPluginCurve : public EditorInspectorPlugin {
 	GDCLASS(EditorInspectorPluginCurve, EditorInspectorPlugin);
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
 };
 
 class CurveEditorPlugin : public EditorPlugin {
@@ -133,15 +133,15 @@ class CurveEditorPlugin : public EditorPlugin {
 public:
 	CurveEditorPlugin(EditorNode *p_node);
 
-	virtual String get_name() const { return "Curve"; }
+	virtual String get_name() const override { return "Curve"; }
 };
 
 class CurvePreviewGenerator : public EditorResourcePreviewGenerator {
 	GDCLASS(CurvePreviewGenerator, EditorResourcePreviewGenerator);
 
 public:
-	virtual bool handles(const String &p_type) const;
-	virtual Ref<Texture2D> generate(const Ref<Resource> &p_from, const Size2 &p_size) const;
+	virtual bool handles(const String &p_type) const override;
+	virtual Ref<Texture2D> generate(const Ref<Resource> &p_from, const Size2 &p_size) const override;
 };
 
 #endif // CURVE_EDITOR_PLUGIN_H
diff --git a/editor/plugins/debugger_editor_plugin.h b/editor/plugins/debugger_editor_plugin.h
index 465041b5a7..c5ae4cd8a9 100644
--- a/editor/plugins/debugger_editor_plugin.h
+++ b/editor/plugins/debugger_editor_plugin.h
@@ -61,8 +61,8 @@ private:
 	void _menu_option(int p_option);
 
 public:
-	virtual String get_name() const { return "Debugger"; }
-	bool has_main_screen() const { return false; }
+	virtual String get_name() const override { return "Debugger"; }
+	bool has_main_screen() const override { return false; }
 
 	DebuggerEditorPlugin(EditorNode *p_node, MenuButton *p_menu);
 	~DebuggerEditorPlugin();
diff --git a/editor/plugins/editor_preview_plugins.h b/editor/plugins/editor_preview_plugins.h
index 8a9d6a93fb..9885efc2b5 100644
--- a/editor/plugins/editor_preview_plugins.h
+++ b/editor/plugins/editor_preview_plugins.h
@@ -39,9 +39,9 @@ class EditorTexturePreviewPlugin : public EditorResourcePreviewGenerator {
 	GDCLASS(EditorTexturePreviewPlugin, EditorResourcePreviewGenerator);
 
 public:
-	virtual bool handles(const String &p_type) const;
-	virtual bool generate_small_preview_automatically() const;
-	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const;
+	virtual bool handles(const String &p_type) const override;
+	virtual bool generate_small_preview_automatically() const override;
+	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const override;
 
 	EditorTexturePreviewPlugin();
 };
@@ -50,9 +50,9 @@ class EditorImagePreviewPlugin : public EditorResourcePreviewGenerator {
 	GDCLASS(EditorImagePreviewPlugin, EditorResourcePreviewGenerator);
 
 public:
-	virtual bool handles(const String &p_type) const;
-	virtual bool generate_small_preview_automatically() const;
-	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const;
+	virtual bool handles(const String &p_type) const override;
+	virtual bool generate_small_preview_automatically() const override;
+	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const override;
 
 	EditorImagePreviewPlugin();
 };
@@ -61,9 +61,9 @@ class EditorBitmapPreviewPlugin : public EditorResourcePreviewGenerator {
 	GDCLASS(EditorBitmapPreviewPlugin, EditorResourcePreviewGenerator);
 
 public:
-	virtual bool handles(const String &p_type) const;
-	virtual bool generate_small_preview_automatically() const;
-	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const;
+	virtual bool handles(const String &p_type) const override;
+	virtual bool generate_small_preview_automatically() const override;
+	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const override;
 
 	EditorBitmapPreviewPlugin();
 };
@@ -98,9 +98,9 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual bool handles(const String &p_type) const;
-	virtual bool generate_small_preview_automatically() const;
-	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const;
+	virtual bool handles(const String &p_type) const override;
+	virtual bool generate_small_preview_automatically() const override;
+	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const override;
 
 	EditorMaterialPreviewPlugin();
 	~EditorMaterialPreviewPlugin();
@@ -142,8 +142,8 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual bool handles(const String &p_type) const;
-	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const;
+	virtual bool handles(const String &p_type) const override;
+	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const override;
 
 	EditorMeshPreviewPlugin();
 	~EditorMeshPreviewPlugin();
@@ -164,9 +164,9 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual bool handles(const String &p_type) const;
-	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const;
-	virtual Ref<Texture2D> generate_from_path(const String &p_path, const Size2 &p_size) const;
+	virtual bool handles(const String &p_type) const override;
+	virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const override;
+	virtual Ref<Texture2D> generate_from_path(const String &p_path, const Size2 &p_size) const override;
 
 	EditorFontPreviewPlugin();
 	~EditorFontPreviewPlugin();
diff --git a/editor/plugins/gi_probe_editor_plugin.h b/editor/plugins/gi_probe_editor_plugin.h
index e55f287908..85d2b6f449 100644
--- a/editor/plugins/gi_probe_editor_plugin.h
+++ b/editor/plugins/gi_probe_editor_plugin.h
@@ -61,11 +61,11 @@ protected:
 	void _notification(int p_what);
 
 public:
-	virtual String get_name() const { return "GIProbe"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "GIProbe"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	GIProbeEditorPlugin(EditorNode *p_node);
 	~GIProbeEditorPlugin();
diff --git a/editor/plugins/gpu_particles_2d_editor_plugin.h b/editor/plugins/gpu_particles_2d_editor_plugin.h
index c76cecb3a2..86e89bd0b0 100644
--- a/editor/plugins/gpu_particles_2d_editor_plugin.h
+++ b/editor/plugins/gpu_particles_2d_editor_plugin.h
@@ -86,11 +86,11 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual String get_name() const { return "GPUParticles2D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "GPUParticles2D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	GPUParticles2DEditorPlugin(EditorNode *p_node);
 	~GPUParticles2DEditorPlugin();
diff --git a/editor/plugins/gpu_particles_3d_editor_plugin.h b/editor/plugins/gpu_particles_3d_editor_plugin.h
index 7838a63436..1665b3676a 100644
--- a/editor/plugins/gpu_particles_3d_editor_plugin.h
+++ b/editor/plugins/gpu_particles_3d_editor_plugin.h
@@ -86,7 +86,7 @@ class GPUParticles3DEditor : public GPUParticles3DEditorBase {
 
 	friend class GPUParticles3DEditorPlugin;
 
-	virtual void _generate_emission_points();
+	virtual void _generate_emission_points() override;
 
 protected:
 	void _notification(int p_notification);
@@ -105,11 +105,11 @@ class GPUParticles3DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "GPUParticles3D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "GPUParticles3D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	GPUParticles3DEditorPlugin(EditorNode *p_node);
 	~GPUParticles3DEditorPlugin();
diff --git a/editor/plugins/gradient_editor_plugin.h b/editor/plugins/gradient_editor_plugin.h
index 0641d54d5c..59cf787020 100644
--- a/editor/plugins/gradient_editor_plugin.h
+++ b/editor/plugins/gradient_editor_plugin.h
@@ -48,7 +48,7 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual Size2 get_minimum_size() const;
+	virtual Size2 get_minimum_size() const override;
 	void set_gradient(const Ref<Gradient> &p_gradient);
 	GradientEditor();
 };
@@ -57,15 +57,15 @@ class EditorInspectorPluginGradient : public EditorInspectorPlugin {
 	GDCLASS(EditorInspectorPluginGradient, EditorInspectorPlugin);
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
 };
 
 class GradientEditorPlugin : public EditorPlugin {
 	GDCLASS(GradientEditorPlugin, EditorPlugin);
 
 public:
-	virtual String get_name() const { return "ColorRamp"; }
+	virtual String get_name() const override { return "ColorRamp"; }
 
 	GradientEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/item_list_editor_plugin.h b/editor/plugins/item_list_editor_plugin.h
index d89631633c..87586904a3 100644
--- a/editor/plugins/item_list_editor_plugin.h
+++ b/editor/plugins/item_list_editor_plugin.h
@@ -100,25 +100,25 @@ class ItemListOptionButtonPlugin : public ItemListPlugin {
 	OptionButton *ob;
 
 public:
-	virtual void set_object(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual int get_flags() const;
+	virtual void set_object(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual int get_flags() const override;
 
-	virtual void set_item_text(int p_idx, const String &p_text) { ob->set_item_text(p_idx, p_text); }
-	virtual String get_item_text(int p_idx) const { return ob->get_item_text(p_idx); }
+	virtual void set_item_text(int p_idx, const String &p_text) override { ob->set_item_text(p_idx, p_text); }
+	virtual String get_item_text(int p_idx) const override { return ob->get_item_text(p_idx); }
 
-	virtual void set_item_icon(int p_idx, const Ref<Texture2D> &p_tex) { ob->set_item_icon(p_idx, p_tex); }
-	virtual Ref<Texture2D> get_item_icon(int p_idx) const { return ob->get_item_icon(p_idx); }
+	virtual void set_item_icon(int p_idx, const Ref<Texture2D> &p_tex) override { ob->set_item_icon(p_idx, p_tex); }
+	virtual Ref<Texture2D> get_item_icon(int p_idx) const override { return ob->get_item_icon(p_idx); }
 
-	virtual void set_item_enabled(int p_idx, int p_enabled) { ob->set_item_disabled(p_idx, !p_enabled); }
-	virtual bool is_item_enabled(int p_idx) const { return !ob->is_item_disabled(p_idx); }
+	virtual void set_item_enabled(int p_idx, int p_enabled) override { ob->set_item_disabled(p_idx, !p_enabled); }
+	virtual bool is_item_enabled(int p_idx) const override { return !ob->is_item_disabled(p_idx); }
 
-	virtual void set_item_id(int p_idx, int p_id) { ob->set_item_id(p_idx, p_id); }
-	virtual int get_item_id(int p_idx) const { return ob->get_item_id(p_idx); }
+	virtual void set_item_id(int p_idx, int p_id) override { ob->set_item_id(p_idx, p_id); }
+	virtual int get_item_id(int p_idx) const override { return ob->get_item_id(p_idx); }
 
-	virtual void add_item();
-	virtual int get_item_count() const;
-	virtual void erase(int p_idx);
+	virtual void add_item() override;
+	virtual int get_item_count() const override;
+	virtual void erase(int p_idx) override;
 
 	ItemListOptionButtonPlugin();
 };
@@ -129,36 +129,36 @@ class ItemListPopupMenuPlugin : public ItemListPlugin {
 	PopupMenu *pp;
 
 public:
-	virtual void set_object(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual int get_flags() const;
+	virtual void set_object(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual int get_flags() const override;
 
-	virtual void set_item_text(int p_idx, const String &p_text) { pp->set_item_text(p_idx, p_text); }
-	virtual String get_item_text(int p_idx) const { return pp->get_item_text(p_idx); }
+	virtual void set_item_text(int p_idx, const String &p_text) override { pp->set_item_text(p_idx, p_text); }
+	virtual String get_item_text(int p_idx) const override { return pp->get_item_text(p_idx); }
 
-	virtual void set_item_icon(int p_idx, const Ref<Texture2D> &p_tex) { pp->set_item_icon(p_idx, p_tex); }
-	virtual Ref<Texture2D> get_item_icon(int p_idx) const { return pp->get_item_icon(p_idx); }
+	virtual void set_item_icon(int p_idx, const Ref<Texture2D> &p_tex) override { pp->set_item_icon(p_idx, p_tex); }
+	virtual Ref<Texture2D> get_item_icon(int p_idx) const override { return pp->get_item_icon(p_idx); }
 
-	virtual void set_item_checkable(int p_idx, bool p_check) { pp->set_item_as_checkable(p_idx, p_check); }
-	virtual void set_item_radio_checkable(int p_idx, bool p_check) { pp->set_item_as_radio_checkable(p_idx, p_check); }
-	virtual bool is_item_checkable(int p_idx) const { return pp->is_item_checkable(p_idx); }
-	virtual bool is_item_radio_checkable(int p_idx) const { return pp->is_item_radio_checkable(p_idx); }
+	virtual void set_item_checkable(int p_idx, bool p_check) override { pp->set_item_as_checkable(p_idx, p_check); }
+	virtual void set_item_radio_checkable(int p_idx, bool p_check) override { pp->set_item_as_radio_checkable(p_idx, p_check); }
+	virtual bool is_item_checkable(int p_idx) const override { return pp->is_item_checkable(p_idx); }
+	virtual bool is_item_radio_checkable(int p_idx) const override { return pp->is_item_radio_checkable(p_idx); }
 
-	virtual void set_item_checked(int p_idx, bool p_checked) { pp->set_item_checked(p_idx, p_checked); }
-	virtual bool is_item_checked(int p_idx) const { return pp->is_item_checked(p_idx); }
+	virtual void set_item_checked(int p_idx, bool p_checked) override { pp->set_item_checked(p_idx, p_checked); }
+	virtual bool is_item_checked(int p_idx) const override { return pp->is_item_checked(p_idx); }
 
-	virtual void set_item_enabled(int p_idx, int p_enabled) { pp->set_item_disabled(p_idx, !p_enabled); }
-	virtual bool is_item_enabled(int p_idx) const { return !pp->is_item_disabled(p_idx); }
+	virtual void set_item_enabled(int p_idx, int p_enabled) override { pp->set_item_disabled(p_idx, !p_enabled); }
+	virtual bool is_item_enabled(int p_idx) const override { return !pp->is_item_disabled(p_idx); }
 
-	virtual void set_item_id(int p_idx, int p_id) { pp->set_item_id(p_idx, p_id); }
-	virtual int get_item_id(int p_idx) const { return pp->get_item_id(p_idx); }
+	virtual void set_item_id(int p_idx, int p_id) override { pp->set_item_id(p_idx, p_id); }
+	virtual int get_item_id(int p_idx) const override { return pp->get_item_id(p_idx); }
 
-	virtual void set_item_separator(int p_idx, bool p_separator) { pp->set_item_as_separator(p_idx, p_separator); }
-	virtual bool is_item_separator(int p_idx) const { return pp->is_item_separator(p_idx); }
+	virtual void set_item_separator(int p_idx, bool p_separator) override { pp->set_item_as_separator(p_idx, p_separator); }
+	virtual bool is_item_separator(int p_idx) const override { return pp->is_item_separator(p_idx); }
 
-	virtual void add_item();
-	virtual int get_item_count() const;
-	virtual void erase(int p_idx);
+	virtual void add_item() override;
+	virtual int get_item_count() const override;
+	virtual void erase(int p_idx) override;
 
 	ItemListPopupMenuPlugin();
 };
@@ -171,22 +171,22 @@ class ItemListItemListPlugin : public ItemListPlugin {
 	ItemList *pp;
 
 public:
-	virtual void set_object(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual int get_flags() const;
+	virtual void set_object(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual int get_flags() const override;
 
-	virtual void set_item_text(int p_idx, const String &p_text) { pp->set_item_text(p_idx, p_text); }
-	virtual String get_item_text(int p_idx) const { return pp->get_item_text(p_idx); }
+	virtual void set_item_text(int p_idx, const String &p_text) override { pp->set_item_text(p_idx, p_text); }
+	virtual String get_item_text(int p_idx) const override { return pp->get_item_text(p_idx); }
 
-	virtual void set_item_icon(int p_idx, const Ref<Texture2D> &p_tex) { pp->set_item_icon(p_idx, p_tex); }
-	virtual Ref<Texture2D> get_item_icon(int p_idx) const { return pp->get_item_icon(p_idx); }
+	virtual void set_item_icon(int p_idx, const Ref<Texture2D> &p_tex) override { pp->set_item_icon(p_idx, p_tex); }
+	virtual Ref<Texture2D> get_item_icon(int p_idx) const override { return pp->get_item_icon(p_idx); }
 
-	virtual void set_item_enabled(int p_idx, int p_enabled) { pp->set_item_disabled(p_idx, !p_enabled); }
-	virtual bool is_item_enabled(int p_idx) const { return !pp->is_item_disabled(p_idx); }
+	virtual void set_item_enabled(int p_idx, int p_enabled) override { pp->set_item_disabled(p_idx, !p_enabled); }
+	virtual bool is_item_enabled(int p_idx) const override { return !pp->is_item_disabled(p_idx); }
 
-	virtual void add_item();
-	virtual int get_item_count() const;
-	virtual void erase(int p_idx);
+	virtual void add_item() override;
+	virtual int get_item_count() const override;
+	virtual void erase(int p_idx) override;
 
 	ItemListItemListPlugin();
 };
@@ -236,11 +236,11 @@ class ItemListEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "ItemList"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "ItemList"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	ItemListEditorPlugin(EditorNode *p_node);
 	~ItemListEditorPlugin();
diff --git a/editor/plugins/light_occluder_2d_editor_plugin.h b/editor/plugins/light_occluder_2d_editor_plugin.h
index 11c9f2b2a4..e034a41ddc 100644
--- a/editor/plugins/light_occluder_2d_editor_plugin.h
+++ b/editor/plugins/light_occluder_2d_editor_plugin.h
@@ -42,18 +42,18 @@ class LightOccluder2DEditor : public AbstractPolygon2DEditor {
 	Ref<OccluderPolygon2D> _ensure_occluder() const;
 
 protected:
-	virtual Node2D *_get_node() const;
-	virtual void _set_node(Node *p_polygon);
+	virtual Node2D *_get_node() const override;
+	virtual void _set_node(Node *p_polygon) override;
 
-	virtual bool _is_line() const;
-	virtual int _get_polygon_count() const;
-	virtual Variant _get_polygon(int p_idx) const;
-	virtual void _set_polygon(int p_idx, const Variant &p_polygon) const;
+	virtual bool _is_line() const override;
+	virtual int _get_polygon_count() const override;
+	virtual Variant _get_polygon(int p_idx) const override;
+	virtual void _set_polygon(int p_idx, const Variant &p_polygon) const override;
 
-	virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon);
+	virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon) override;
 
-	virtual bool _has_resource() const;
-	virtual void _create_resource();
+	virtual bool _has_resource() const override;
+	virtual void _create_resource() override;
 
 public:
 	LightOccluder2DEditor(EditorNode *p_editor);
diff --git a/editor/plugins/line_2d_editor_plugin.h b/editor/plugins/line_2d_editor_plugin.h
index bf411a070a..b3bc9df3a5 100644
--- a/editor/plugins/line_2d_editor_plugin.h
+++ b/editor/plugins/line_2d_editor_plugin.h
@@ -40,13 +40,13 @@ class Line2DEditor : public AbstractPolygon2DEditor {
 	Line2D *node;
 
 protected:
-	virtual Node2D *_get_node() const;
-	virtual void _set_node(Node *p_line);
+	virtual Node2D *_get_node() const override;
+	virtual void _set_node(Node *p_line) override;
 
-	virtual bool _is_line() const;
-	virtual Variant _get_polygon(int p_idx) const;
-	virtual void _set_polygon(int p_idx, const Variant &p_polygon) const;
-	virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon);
+	virtual bool _is_line() const override;
+	virtual Variant _get_polygon(int p_idx) const override;
+	virtual void _set_polygon(int p_idx, const Variant &p_polygon) const override;
+	virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon) override;
 
 public:
 	Line2DEditor(EditorNode *p_editor);
diff --git a/editor/plugins/material_editor_plugin.h b/editor/plugins/material_editor_plugin.h
index e03cb1b3ab..a6df790620 100644
--- a/editor/plugins/material_editor_plugin.h
+++ b/editor/plugins/material_editor_plugin.h
@@ -83,8 +83,8 @@ class EditorInspectorPluginMaterial : public EditorInspectorPlugin {
 	Ref<Environment> env;
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
 
 	EditorInspectorPluginMaterial();
 };
@@ -93,7 +93,7 @@ class MaterialEditorPlugin : public EditorPlugin {
 	GDCLASS(MaterialEditorPlugin, EditorPlugin);
 
 public:
-	virtual String get_name() const { return "Material"; }
+	virtual String get_name() const override { return "Material"; }
 
 	MaterialEditorPlugin(EditorNode *p_node);
 };
@@ -102,54 +102,54 @@ class StandardMaterial3DConversionPlugin : public EditorResourceConversionPlugin
 	GDCLASS(StandardMaterial3DConversionPlugin, EditorResourceConversionPlugin);
 
 public:
-	virtual String converts_to() const;
-	virtual bool handles(const Ref<Resource> &p_resource) const;
-	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const;
+	virtual String converts_to() const override;
+	virtual bool handles(const Ref<Resource> &p_resource) const override;
+	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const override;
 };
 
 class ParticlesMaterialConversionPlugin : public EditorResourceConversionPlugin {
 	GDCLASS(ParticlesMaterialConversionPlugin, EditorResourceConversionPlugin);
 
 public:
-	virtual String converts_to() const;
-	virtual bool handles(const Ref<Resource> &p_resource) const;
-	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const;
+	virtual String converts_to() const override;
+	virtual bool handles(const Ref<Resource> &p_resource) const override;
+	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const override;
 };
 
 class CanvasItemMaterialConversionPlugin : public EditorResourceConversionPlugin {
 	GDCLASS(CanvasItemMaterialConversionPlugin, EditorResourceConversionPlugin);
 
 public:
-	virtual String converts_to() const;
-	virtual bool handles(const Ref<Resource> &p_resource) const;
-	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const;
+	virtual String converts_to() const override;
+	virtual bool handles(const Ref<Resource> &p_resource) const override;
+	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const override;
 };
 
 class ProceduralSkyMaterialConversionPlugin : public EditorResourceConversionPlugin {
 	GDCLASS(ProceduralSkyMaterialConversionPlugin, EditorResourceConversionPlugin);
 
 public:
-	virtual String converts_to() const;
-	virtual bool handles(const Ref<Resource> &p_resource) const;
-	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const;
+	virtual String converts_to() const override;
+	virtual bool handles(const Ref<Resource> &p_resource) const override;
+	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const override;
 };
 
 class PanoramaSkyMaterialConversionPlugin : public EditorResourceConversionPlugin {
 	GDCLASS(PanoramaSkyMaterialConversionPlugin, EditorResourceConversionPlugin);
 
 public:
-	virtual String converts_to() const;
-	virtual bool handles(const Ref<Resource> &p_resource) const;
-	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const;
+	virtual String converts_to() const override;
+	virtual bool handles(const Ref<Resource> &p_resource) const override;
+	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const override;
 };
 
 class PhysicalSkyMaterialConversionPlugin : public EditorResourceConversionPlugin {
 	GDCLASS(PhysicalSkyMaterialConversionPlugin, EditorResourceConversionPlugin);
 
 public:
-	virtual String converts_to() const;
-	virtual bool handles(const Ref<Resource> &p_resource) const;
-	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const;
+	virtual String converts_to() const override;
+	virtual bool handles(const Ref<Resource> &p_resource) const override;
+	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const override;
 };
 
 #endif // MATERIAL_EDITOR_PLUGIN_H
diff --git a/editor/plugins/mesh_editor_plugin.h b/editor/plugins/mesh_editor_plugin.h
index 6f171a0eab..1fb0babb10 100644
--- a/editor/plugins/mesh_editor_plugin.h
+++ b/editor/plugins/mesh_editor_plugin.h
@@ -76,15 +76,15 @@ class EditorInspectorPluginMesh : public EditorInspectorPlugin {
 	GDCLASS(EditorInspectorPluginMesh, EditorInspectorPlugin);
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
 };
 
 class MeshEditorPlugin : public EditorPlugin {
 	GDCLASS(MeshEditorPlugin, EditorPlugin);
 
 public:
-	virtual String get_name() const { return "Mesh"; }
+	virtual String get_name() const override { return "Mesh"; }
 
 	MeshEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/mesh_instance_3d_editor_plugin.h b/editor/plugins/mesh_instance_3d_editor_plugin.h
index 3350a792bc..77a2b8ec34 100644
--- a/editor/plugins/mesh_instance_3d_editor_plugin.h
+++ b/editor/plugins/mesh_instance_3d_editor_plugin.h
@@ -89,11 +89,11 @@ class MeshInstance3DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "MeshInstance3D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "MeshInstance3D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	MeshInstance3DEditorPlugin(EditorNode *p_node);
 	~MeshInstance3DEditorPlugin();
diff --git a/editor/plugins/mesh_library_editor_plugin.h b/editor/plugins/mesh_library_editor_plugin.h
index 61ce5692bc..ea13303740 100644
--- a/editor/plugins/mesh_library_editor_plugin.h
+++ b/editor/plugins/mesh_library_editor_plugin.h
@@ -79,11 +79,11 @@ class MeshLibraryEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "MeshLibrary"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_node);
-	virtual bool handles(Object *p_node) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "MeshLibrary"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_node) override;
+	virtual bool handles(Object *p_node) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	MeshLibraryEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/multimesh_editor_plugin.h b/editor/plugins/multimesh_editor_plugin.h
index 2b0a0c137f..d1f8a3b74a 100644
--- a/editor/plugins/multimesh_editor_plugin.h
+++ b/editor/plugins/multimesh_editor_plugin.h
@@ -88,11 +88,11 @@ class MultiMeshEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "MultiMesh"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "MultiMesh"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	MultiMeshEditorPlugin(EditorNode *p_node);
 	~MultiMeshEditorPlugin();
diff --git a/editor/plugins/navigation_polygon_editor_plugin.h b/editor/plugins/navigation_polygon_editor_plugin.h
index 0767322c17..3c5a7c2829 100644
--- a/editor/plugins/navigation_polygon_editor_plugin.h
+++ b/editor/plugins/navigation_polygon_editor_plugin.h
@@ -42,19 +42,19 @@ class NavigationPolygonEditor : public AbstractPolygon2DEditor {
 	Ref<NavigationPolygon> _ensure_navpoly() const;
 
 protected:
-	virtual Node2D *_get_node() const;
-	virtual void _set_node(Node *p_polygon);
+	virtual Node2D *_get_node() const override;
+	virtual void _set_node(Node *p_polygon) override;
 
-	virtual int _get_polygon_count() const;
-	virtual Variant _get_polygon(int p_idx) const;
-	virtual void _set_polygon(int p_idx, const Variant &p_polygon) const;
+	virtual int _get_polygon_count() const override;
+	virtual Variant _get_polygon(int p_idx) const override;
+	virtual void _set_polygon(int p_idx, const Variant &p_polygon) const override;
 
-	virtual void _action_add_polygon(const Variant &p_polygon);
-	virtual void _action_remove_polygon(int p_idx);
-	virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon);
+	virtual void _action_add_polygon(const Variant &p_polygon) override;
+	virtual void _action_remove_polygon(int p_idx) override;
+	virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon) override;
 
-	virtual bool _has_resource() const;
-	virtual void _create_resource();
+	virtual bool _has_resource() const override;
+	virtual void _create_resource() override;
 
 public:
 	NavigationPolygonEditor(EditorNode *p_editor);
diff --git a/editor/plugins/node_3d_editor_plugin.h b/editor/plugins/node_3d_editor_plugin.h
index a40de78795..6a8af38742 100644
--- a/editor/plugins/node_3d_editor_plugin.h
+++ b/editor/plugins/node_3d_editor_plugin.h
@@ -122,11 +122,11 @@ public:
 	bool intersect_frustum(const Camera3D *p_camera, const Vector<Plane> &p_frustum);
 	bool intersect_ray(Camera3D *p_camera, const Point2 &p_point, Vector3 &r_pos, Vector3 &r_normal, int *r_gizmo_handle = nullptr, bool p_sec_first = false);
 
-	virtual void clear();
-	virtual void create();
-	virtual void transform();
-	virtual void redraw();
-	virtual void free();
+	virtual void clear() override;
+	virtual void create() override;
+	virtual void transform() override;
+	virtual void redraw() override;
+	virtual void free() override;
 
 	virtual bool is_editable() const;
 
@@ -826,17 +826,17 @@ public:
 	void snap_cursor_to_plane(const Plane &p_plane);
 
 	Node3DEditor *get_spatial_editor() { return spatial_editor; }
-	virtual String get_name() const { return "3D"; }
-	bool has_main_screen() const { return true; }
-	virtual void make_visible(bool p_visible);
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
+	virtual String get_name() const override { return "3D"; }
+	bool has_main_screen() const override { return true; }
+	virtual void make_visible(bool p_visible) override;
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
 
-	virtual Dictionary get_state() const;
-	virtual void set_state(const Dictionary &p_state);
-	virtual void clear() { spatial_editor->clear(); }
+	virtual Dictionary get_state() const override;
+	virtual void set_state(const Dictionary &p_state) override;
+	virtual void clear() override { spatial_editor->clear(); }
 
-	virtual void edited_scene_changed();
+	virtual void edited_scene_changed() override;
 
 	Node3DEditorPlugin(EditorNode *p_node);
 	~Node3DEditorPlugin();
diff --git a/editor/plugins/packed_scene_translation_parser_plugin.h b/editor/plugins/packed_scene_translation_parser_plugin.h
index 9fead84c3f..2bd4dae995 100644
--- a/editor/plugins/packed_scene_translation_parser_plugin.h
+++ b/editor/plugins/packed_scene_translation_parser_plugin.h
@@ -40,8 +40,8 @@ class PackedSceneEditorTranslationParserPlugin : public EditorTranslationParserP
 	Set<String> lookup_properties;
 
 public:
-	virtual Error parse_file(const String &p_path, Vector<String> *r_extracted_strings);
-	virtual void get_recognized_extensions(List<String> *r_extensions) const;
+	virtual Error parse_file(const String &p_path, Vector<String> *r_extracted_strings) override;
+	virtual void get_recognized_extensions(List<String> *r_extensions) const override;
 
 	PackedSceneEditorTranslationParserPlugin();
 };
diff --git a/editor/plugins/path_2d_editor_plugin.h b/editor/plugins/path_2d_editor_plugin.h
index d0c02b28d4..6a7dffc7f8 100644
--- a/editor/plugins/path_2d_editor_plugin.h
+++ b/editor/plugins/path_2d_editor_plugin.h
@@ -116,14 +116,14 @@ class Path2DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) { return path2d_editor->forward_gui_input(p_event); }
-	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) { path2d_editor->forward_canvas_draw_over_viewport(p_overlay); }
-
-	virtual String get_name() const { return "Path2D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return path2d_editor->forward_gui_input(p_event); }
+	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { path2d_editor->forward_canvas_draw_over_viewport(p_overlay); }
+
+	virtual String get_name() const override { return "Path2D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	Path2DEditorPlugin(EditorNode *p_node);
 	~Path2DEditorPlugin();
diff --git a/editor/plugins/path_3d_editor_plugin.h b/editor/plugins/path_3d_editor_plugin.h
index 3a75717b73..be275944a6 100644
--- a/editor/plugins/path_3d_editor_plugin.h
+++ b/editor/plugins/path_3d_editor_plugin.h
@@ -43,12 +43,12 @@ class Path3DGizmo : public EditorNode3DGizmo {
 	mutable float orig_out_length;
 
 public:
-	virtual String get_handle_name(int p_idx) const;
-	virtual Variant get_handle_value(int p_idx);
-	virtual void set_handle(int p_idx, Camera3D *p_camera, const Point2 &p_point);
-	virtual void commit_handle(int p_idx, const Variant &p_restore, bool p_cancel = false);
+	virtual String get_handle_name(int p_idx) const override;
+	virtual Variant get_handle_value(int p_idx) override;
+	virtual void set_handle(int p_idx, Camera3D *p_camera, const Point2 &p_point) override;
+	virtual void commit_handle(int p_idx, const Variant &p_restore, bool p_cancel = false) override;
 
-	virtual void redraw();
+	virtual void redraw() override;
 	Path3DGizmo(Path3D *p_path = nullptr);
 };
 
@@ -56,11 +56,11 @@ class Path3DGizmoPlugin : public EditorNode3DGizmoPlugin {
 	GDCLASS(Path3DGizmoPlugin, EditorNode3DGizmoPlugin);
 
 protected:
-	Ref<EditorNode3DGizmo> create_gizmo(Node3D *p_spatial);
+	Ref<EditorNode3DGizmo> create_gizmo(Node3D *p_spatial) override;
 
 public:
-	String get_name() const;
-	int get_priority() const;
+	String get_name() const override;
+	int get_priority() const override;
 	Path3DGizmoPlugin();
 };
 
@@ -98,13 +98,13 @@ public:
 	Path3D *get_edited_path() { return path; }
 
 	static Path3DEditorPlugin *singleton;
-	virtual bool forward_spatial_gui_input(Camera3D *p_camera, const Ref<InputEvent> &p_event);
+	virtual bool forward_spatial_gui_input(Camera3D *p_camera, const Ref<InputEvent> &p_event) override;
 
-	virtual String get_name() const { return "Path3D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "Path3D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	bool mirror_angle_enabled() { return mirror_handle_angle; }
 	bool mirror_length_enabled() { return mirror_handle_length; }
diff --git a/editor/plugins/physical_bone_3d_editor_plugin.h b/editor/plugins/physical_bone_3d_editor_plugin.h
index 8699176fe0..bdfcca8878 100644
--- a/editor/plugins/physical_bone_3d_editor_plugin.h
+++ b/editor/plugins/physical_bone_3d_editor_plugin.h
@@ -67,10 +67,10 @@ class PhysicalBone3DEditorPlugin : public EditorPlugin {
 	PhysicalBone3DEditor physical_bone_editor;
 
 public:
-	virtual String get_name() const { return "PhysicalBone3D"; }
-	virtual bool handles(Object *p_object) const { return p_object->is_class("PhysicalBone3D"); }
-	virtual void make_visible(bool p_visible);
-	virtual void edit(Object *p_node);
+	virtual String get_name() const override { return "PhysicalBone3D"; }
+	virtual bool handles(Object *p_object) const override { return p_object->is_class("PhysicalBone3D"); }
+	virtual void make_visible(bool p_visible) override;
+	virtual void edit(Object *p_node) override;
 
 	PhysicalBone3DEditorPlugin(EditorNode *p_editor);
 };
diff --git a/editor/plugins/polygon_2d_editor_plugin.h b/editor/plugins/polygon_2d_editor_plugin.h
index 33ea7722ac..77580a5604 100644
--- a/editor/plugins/polygon_2d_editor_plugin.h
+++ b/editor/plugins/polygon_2d_editor_plugin.h
@@ -122,7 +122,7 @@ class Polygon2DEditor : public AbstractPolygon2DEditor {
 	Vector2 snap_offset;
 	Vector2 snap_step;
 
-	virtual void _menu_option(int p_option);
+	virtual void _menu_option(int p_option) override;
 
 	void _cancel_editing();
 	void _update_polygon_editing_state();
@@ -143,16 +143,16 @@ class Polygon2DEditor : public AbstractPolygon2DEditor {
 	void _uv_edit_popup_hide();
 	void _bone_paint_selected(int p_index);
 
-	int _get_polygon_count() const;
+	int _get_polygon_count() const override;
 
 protected:
-	virtual Node2D *_get_node() const;
-	virtual void _set_node(Node *p_polygon);
+	virtual Node2D *_get_node() const override;
+	virtual void _set_node(Node *p_polygon) override;
 
-	virtual Vector2 _get_offset(int p_idx) const;
+	virtual Vector2 _get_offset(int p_idx) const override;
 
-	virtual bool _has_uv() const { return true; };
-	virtual void _commit_action();
+	virtual bool _has_uv() const override { return true; };
+	virtual void _commit_action() override;
 
 	void _notification(int p_what);
 	static void _bind_methods();
diff --git a/editor/plugins/resource_preloader_editor_plugin.h b/editor/plugins/resource_preloader_editor_plugin.h
index 2d7a54eda5..ddfb54c40b 100644
--- a/editor/plugins/resource_preloader_editor_plugin.h
+++ b/editor/plugins/resource_preloader_editor_plugin.h
@@ -93,11 +93,11 @@ class ResourcePreloaderEditorPlugin : public EditorPlugin {
 	Button *button;
 
 public:
-	virtual String get_name() const { return "ResourcePreloader"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "ResourcePreloader"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	ResourcePreloaderEditorPlugin(EditorNode *p_node);
 	~ResourcePreloaderEditorPlugin();
diff --git a/editor/plugins/root_motion_editor_plugin.h b/editor/plugins/root_motion_editor_plugin.h
index f72ad1ec05..cc19228470 100644
--- a/editor/plugins/root_motion_editor_plugin.h
+++ b/editor/plugins/root_motion_editor_plugin.h
@@ -54,7 +54,7 @@ protected:
 	void _notification(int p_what);
 
 public:
-	virtual void update_property();
+	virtual void update_property() override;
 	void setup(const NodePath &p_base_hint);
 	EditorPropertyRootMotion();
 };
@@ -63,10 +63,10 @@ class EditorInspectorRootMotionPlugin : public EditorInspectorPlugin {
 	GDCLASS(EditorInspectorRootMotionPlugin, EditorInspectorPlugin);
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
-	virtual bool parse_property(Object *p_object, Variant::Type p_type, const String &p_path, PropertyHint p_hint, const String &p_hint_text, int p_usage, bool p_wide = false);
-	virtual void parse_end();
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
+	virtual bool parse_property(Object *p_object, Variant::Type p_type, const String &p_path, PropertyHint p_hint, const String &p_hint_text, int p_usage, bool p_wide = false) override;
+	virtual void parse_end() override;
 };
 
 #endif // ROOT_MOTION_EDITOR_PLUGIN_H
diff --git a/editor/plugins/script_editor_plugin.h b/editor/plugins/script_editor_plugin.h
index 8c4b7de27d..d51c95ec4b 100644
--- a/editor/plugins/script_editor_plugin.h
+++ b/editor/plugins/script_editor_plugin.h
@@ -455,25 +455,25 @@ class ScriptEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "Script"; }
-	bool has_main_screen() const { return true; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
-	virtual void selected_notify();
+	virtual String get_name() const override { return "Script"; }
+	bool has_main_screen() const override { return true; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
+	virtual void selected_notify() override;
 
-	virtual void save_external_data();
-	virtual void apply_changes();
+	virtual void save_external_data() override;
+	virtual void apply_changes() override;
 
-	virtual void restore_global_state();
-	virtual void save_global_state();
+	virtual void restore_global_state() override;
+	virtual void save_global_state() override;
 
-	virtual void set_window_layout(Ref<ConfigFile> p_layout);
-	virtual void get_window_layout(Ref<ConfigFile> p_layout);
+	virtual void set_window_layout(Ref<ConfigFile> p_layout) override;
+	virtual void get_window_layout(Ref<ConfigFile> p_layout) override;
 
-	virtual void get_breakpoints(List<String> *p_breakpoints);
+	virtual void get_breakpoints(List<String> *p_breakpoints) override;
 
-	virtual void edited_scene_changed();
+	virtual void edited_scene_changed() override;
 
 	ScriptEditorPlugin(EditorNode *p_node);
 	~ScriptEditorPlugin();
diff --git a/editor/plugins/script_text_editor.h b/editor/plugins/script_text_editor.h
index 8fa380b64d..a8d7f80e7b 100644
--- a/editor/plugins/script_text_editor.h
+++ b/editor/plugins/script_text_editor.h
@@ -42,7 +42,7 @@ class ConnectionInfoDialog : public AcceptDialog {
 	Label *method;
 	Tree *tree;
 
-	virtual void ok_pressed();
+	virtual void ok_pressed() override;
 
 public:
 	void popup_connections(String p_method, Vector<Node *> p_nodes);
@@ -190,50 +190,50 @@ protected:
 public:
 	void _update_connected_methods();
 
-	virtual void add_syntax_highlighter(SyntaxHighlighter *p_highlighter);
-	virtual void set_syntax_highlighter(SyntaxHighlighter *p_highlighter);
+	virtual void add_syntax_highlighter(SyntaxHighlighter *p_highlighter) override;
+	virtual void set_syntax_highlighter(SyntaxHighlighter *p_highlighter) override;
 	void update_toggle_scripts_button();
 
-	virtual void apply_code();
-	virtual RES get_edited_resource() const;
-	virtual void set_edited_resource(const RES &p_res);
-	virtual Vector<String> get_functions();
-	virtual void reload_text();
-	virtual String get_name();
-	virtual Ref<Texture2D> get_theme_icon();
-	virtual bool is_unsaved();
-	virtual Variant get_edit_state();
-	virtual void set_edit_state(const Variant &p_state);
-	virtual void ensure_focus();
-	virtual void trim_trailing_whitespace();
-	virtual void insert_final_newline();
-	virtual void convert_indent_to_spaces();
-	virtual void convert_indent_to_tabs();
-	virtual void tag_saved_version();
-
-	virtual void goto_line(int p_line, bool p_with_error = false);
+	virtual void apply_code() override;
+	virtual RES get_edited_resource() const override;
+	virtual void set_edited_resource(const RES &p_res) override;
+	virtual Vector<String> get_functions() override;
+	virtual void reload_text() override;
+	virtual String get_name() override;
+	virtual Ref<Texture2D> get_theme_icon() override;
+	virtual bool is_unsaved() override;
+	virtual Variant get_edit_state() override;
+	virtual void set_edit_state(const Variant &p_state) override;
+	virtual void ensure_focus() override;
+	virtual void trim_trailing_whitespace() override;
+	virtual void insert_final_newline() override;
+	virtual void convert_indent_to_spaces() override;
+	virtual void convert_indent_to_tabs() override;
+	virtual void tag_saved_version() override;
+
+	virtual void goto_line(int p_line, bool p_with_error = false) override;
 	void goto_line_selection(int p_line, int p_begin, int p_end);
 	void goto_line_centered(int p_line);
-	virtual void set_executing_line(int p_line);
-	virtual void clear_executing_line();
+	virtual void set_executing_line(int p_line) override;
+	virtual void clear_executing_line() override;
 
-	virtual void reload(bool p_soft);
-	virtual void get_breakpoints(List<int> *p_breakpoints);
+	virtual void reload(bool p_soft) override;
+	virtual void get_breakpoints(List<int> *p_breakpoints) override;
 
-	virtual void add_callback(const String &p_function, PackedStringArray p_args);
-	virtual void update_settings();
+	virtual void add_callback(const String &p_function, PackedStringArray p_args) override;
+	virtual void update_settings() override;
 
-	virtual bool show_members_overview();
+	virtual bool show_members_overview() override;
 
-	virtual void set_tooltip_request_func(String p_method, Object *p_obj);
+	virtual void set_tooltip_request_func(String p_method, Object *p_obj) override;
 
-	virtual void set_debugger_active(bool p_active);
+	virtual void set_debugger_active(bool p_active) override;
 
-	Control *get_edit_menu();
-	virtual void clear_edit_menu();
+	Control *get_edit_menu() override;
+	virtual void clear_edit_menu() override;
 	static void register_editor();
 
-	virtual void validate();
+	virtual void validate() override;
 
 	ScriptTextEditor();
 	~ScriptTextEditor();
diff --git a/editor/plugins/shader_editor_plugin.h b/editor/plugins/shader_editor_plugin.h
index 0208b43e13..6ad3413dd7 100644
--- a/editor/plugins/shader_editor_plugin.h
+++ b/editor/plugins/shader_editor_plugin.h
@@ -50,12 +50,12 @@ class ShaderTextEditor : public CodeTextEditor {
 
 protected:
 	static void _bind_methods();
-	virtual void _load_theme_settings();
+	virtual void _load_theme_settings() override;
 
-	virtual void _code_complete_script(const String &p_code, List<ScriptCodeCompletionOption> *r_options);
+	virtual void _code_complete_script(const String &p_code, List<ScriptCodeCompletionOption> *r_options) override;
 
 public:
-	virtual void _validate_script();
+	virtual void _validate_script() override;
 
 	void reload_text();
 
@@ -134,7 +134,7 @@ public:
 
 	void goto_line_selection(int p_line, int p_begin, int p_end);
 
-	virtual Size2 get_minimum_size() const { return Size2(0, 200); }
+	virtual Size2 get_minimum_size() const override { return Size2(0, 200); }
 	void save_external_data(const String &p_str = "");
 
 	ShaderEditor(EditorNode *p_node);
@@ -149,17 +149,17 @@ class ShaderEditorPlugin : public EditorPlugin {
 	Button *button;
 
 public:
-	virtual String get_name() const { return "Shader"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
-	virtual void selected_notify();
+	virtual String get_name() const override { return "Shader"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
+	virtual void selected_notify() override;
 
 	ShaderEditor *get_shader_editor() const { return shader_editor; }
 
-	virtual void save_external_data();
-	virtual void apply_changes();
+	virtual void save_external_data() override;
+	virtual void apply_changes() override;
 
 	ShaderEditorPlugin(EditorNode *p_node);
 	~ShaderEditorPlugin();
diff --git a/editor/plugins/shader_file_editor_plugin.h b/editor/plugins/shader_file_editor_plugin.h
index 19617366b2..6858f7d933 100644
--- a/editor/plugins/shader_file_editor_plugin.h
+++ b/editor/plugins/shader_file_editor_plugin.h
@@ -77,11 +77,11 @@ class ShaderFileEditorPlugin : public EditorPlugin {
 	Button *button;
 
 public:
-	virtual String get_name() const { return "ShaderFile"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "ShaderFile"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	ShaderFileEditor *get_shader_editor() const { return shader_editor; }
 
diff --git a/editor/plugins/skeleton_2d_editor_plugin.h b/editor/plugins/skeleton_2d_editor_plugin.h
index f1ba1a3612..b8377fc914 100644
--- a/editor/plugins/skeleton_2d_editor_plugin.h
+++ b/editor/plugins/skeleton_2d_editor_plugin.h
@@ -70,11 +70,11 @@ class Skeleton2DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "Skeleton2D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "Skeleton2D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	Skeleton2DEditorPlugin(EditorNode *p_node);
 	~Skeleton2DEditorPlugin();
diff --git a/editor/plugins/skeleton_3d_editor_plugin.h b/editor/plugins/skeleton_3d_editor_plugin.h
index a5b8ce80a9..7843fc1754 100644
--- a/editor/plugins/skeleton_3d_editor_plugin.h
+++ b/editor/plugins/skeleton_3d_editor_plugin.h
@@ -190,8 +190,8 @@ class EditorInspectorPluginSkeleton : public EditorInspectorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
 };
 
 class Skeleton3DEditorPlugin : public EditorPlugin {
@@ -202,7 +202,7 @@ class Skeleton3DEditorPlugin : public EditorPlugin {
 public:
 	Skeleton3DEditorPlugin(EditorNode *p_node);
 
-	virtual String get_name() const { return "Skeleton3D"; }
+	virtual String get_name() const override { return "Skeleton3D"; }
 };
 
 #endif // SKELETON_3D_EDITOR_PLUGIN_H
diff --git a/editor/plugins/skeleton_ik_3d_editor_plugin.h b/editor/plugins/skeleton_ik_3d_editor_plugin.h
index bd4c5ba93e..c1585ea670 100644
--- a/editor/plugins/skeleton_ik_3d_editor_plugin.h
+++ b/editor/plugins/skeleton_ik_3d_editor_plugin.h
@@ -50,11 +50,11 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual String get_name() const { return "SkeletonIK3D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "SkeletonIK3D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	SkeletonIK3DEditorPlugin(EditorNode *p_node);
 	~SkeletonIK3DEditorPlugin();
diff --git a/editor/plugins/sprite_2d_editor_plugin.h b/editor/plugins/sprite_2d_editor_plugin.h
index c2b942fd82..8769f19b5c 100644
--- a/editor/plugins/sprite_2d_editor_plugin.h
+++ b/editor/plugins/sprite_2d_editor_plugin.h
@@ -102,11 +102,11 @@ class Sprite2DEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "Sprite2D"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "Sprite2D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	Sprite2DEditorPlugin(EditorNode *p_node);
 	~Sprite2DEditorPlugin();
diff --git a/editor/plugins/sprite_frames_editor_plugin.h b/editor/plugins/sprite_frames_editor_plugin.h
index c050ae484b..ee743fe60d 100644
--- a/editor/plugins/sprite_frames_editor_plugin.h
+++ b/editor/plugins/sprite_frames_editor_plugin.h
@@ -140,11 +140,11 @@ class SpriteFramesEditorPlugin : public EditorPlugin {
 	Button *button;
 
 public:
-	virtual String get_name() const { return "SpriteFrames"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "SpriteFrames"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	SpriteFramesEditorPlugin(EditorNode *p_node);
 	~SpriteFramesEditorPlugin();
diff --git a/editor/plugins/style_box_editor_plugin.h b/editor/plugins/style_box_editor_plugin.h
index d9958d42e6..41daa662db 100644
--- a/editor/plugins/style_box_editor_plugin.h
+++ b/editor/plugins/style_box_editor_plugin.h
@@ -59,17 +59,17 @@ class EditorInspectorPluginStyleBox : public EditorInspectorPlugin {
 	GDCLASS(EditorInspectorPluginStyleBox, EditorInspectorPlugin);
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
-	virtual bool parse_property(Object *p_object, Variant::Type p_type, const String &p_path, PropertyHint p_hint, const String &p_hint_text, int p_usage, bool p_wide = false);
-	virtual void parse_end();
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
+	virtual bool parse_property(Object *p_object, Variant::Type p_type, const String &p_path, PropertyHint p_hint, const String &p_hint_text, int p_usage, bool p_wide = false) override;
+	virtual void parse_end() override;
 };
 
 class StyleBoxEditorPlugin : public EditorPlugin {
 	GDCLASS(StyleBoxEditorPlugin, EditorPlugin);
 
 public:
-	virtual String get_name() const { return "StyleBox"; }
+	virtual String get_name() const override { return "StyleBox"; }
 
 	StyleBoxEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/text_editor.h b/editor/plugins/text_editor.h
index 9d9025a2c4..5af020eabe 100644
--- a/editor/plugins/text_editor.h
+++ b/editor/plugins/text_editor.h
@@ -116,42 +116,42 @@ protected:
 	void _bookmark_item_pressed(int p_idx);
 
 public:
-	virtual void add_syntax_highlighter(SyntaxHighlighter *p_highlighter);
-	virtual void set_syntax_highlighter(SyntaxHighlighter *p_highlighter);
+	virtual void add_syntax_highlighter(SyntaxHighlighter *p_highlighter) override;
+	virtual void set_syntax_highlighter(SyntaxHighlighter *p_highlighter) override;
 
-	virtual String get_name();
-	virtual Ref<Texture2D> get_theme_icon();
-	virtual RES get_edited_resource() const;
-	virtual void set_edited_resource(const RES &p_res);
+	virtual String get_name() override;
+	virtual Ref<Texture2D> get_theme_icon() override;
+	virtual RES get_edited_resource() const override;
+	virtual void set_edited_resource(const RES &p_res) override;
 	void set_edited_file(const Ref<TextFile> &p_file);
-	virtual void reload_text();
-	virtual void apply_code();
-	virtual bool is_unsaved();
-	virtual Variant get_edit_state();
-	virtual void set_edit_state(const Variant &p_state);
-	virtual Vector<String> get_functions();
-	virtual void get_breakpoints(List<int> *p_breakpoints);
-	virtual void goto_line(int p_line, bool p_with_error = false);
+	virtual void reload_text() override;
+	virtual void apply_code() override;
+	virtual bool is_unsaved() override;
+	virtual Variant get_edit_state() override;
+	virtual void set_edit_state(const Variant &p_state) override;
+	virtual Vector<String> get_functions() override;
+	virtual void get_breakpoints(List<int> *p_breakpoints) override;
+	virtual void goto_line(int p_line, bool p_with_error = false) override;
 	void goto_line_selection(int p_line, int p_begin, int p_end);
-	virtual void set_executing_line(int p_line);
-	virtual void clear_executing_line();
-	virtual void trim_trailing_whitespace();
-	virtual void insert_final_newline();
-	virtual void convert_indent_to_spaces();
-	virtual void convert_indent_to_tabs();
-	virtual void ensure_focus();
-	virtual void tag_saved_version();
-	virtual void update_settings();
-	virtual bool show_members_overview();
-	virtual bool can_lose_focus_on_node_selection() { return true; }
-	virtual void set_debugger_active(bool p_active);
-	virtual void set_tooltip_request_func(String p_method, Object *p_obj);
-	virtual void add_callback(const String &p_function, PackedStringArray p_args);
-
-	virtual Control *get_edit_menu();
-	virtual void clear_edit_menu();
-
-	virtual void validate();
+	virtual void set_executing_line(int p_line) override;
+	virtual void clear_executing_line() override;
+	virtual void trim_trailing_whitespace() override;
+	virtual void insert_final_newline() override;
+	virtual void convert_indent_to_spaces() override;
+	virtual void convert_indent_to_tabs() override;
+	virtual void ensure_focus() override;
+	virtual void tag_saved_version() override;
+	virtual void update_settings() override;
+	virtual bool show_members_overview() override;
+	virtual bool can_lose_focus_on_node_selection() override { return true; }
+	virtual void set_debugger_active(bool p_active) override;
+	virtual void set_tooltip_request_func(String p_method, Object *p_obj) override;
+	virtual void add_callback(const String &p_function, PackedStringArray p_args) override;
+
+	virtual Control *get_edit_menu() override;
+	virtual void clear_edit_menu() override;
+
+	virtual void validate() override;
 
 	static void register_editor();
 
diff --git a/editor/plugins/texture_editor_plugin.h b/editor/plugins/texture_editor_plugin.h
index 63eea2b767..0d4452c662 100644
--- a/editor/plugins/texture_editor_plugin.h
+++ b/editor/plugins/texture_editor_plugin.h
@@ -43,7 +43,7 @@ class TextureEditor : public Control {
 protected:
 	void _notification(int p_what);
 	void _gui_input(Ref<InputEvent> p_event);
-	void _changed_callback(Object *p_changed, const char *p_prop);
+	void _changed_callback(Object *p_changed, const char *p_prop) override;
 	static void _bind_methods();
 
 public:
@@ -56,15 +56,15 @@ class EditorInspectorPluginTexture : public EditorInspectorPlugin {
 	GDCLASS(EditorInspectorPluginTexture, EditorInspectorPlugin);
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
 };
 
 class TextureEditorPlugin : public EditorPlugin {
 	GDCLASS(TextureEditorPlugin, EditorPlugin);
 
 public:
-	virtual String get_name() const { return "Texture2D"; }
+	virtual String get_name() const override { return "Texture2D"; }
 
 	TextureEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/texture_layered_editor_plugin.h b/editor/plugins/texture_layered_editor_plugin.h
index 4c5e06a5b8..9a28d2dff8 100644
--- a/editor/plugins/texture_layered_editor_plugin.h
+++ b/editor/plugins/texture_layered_editor_plugin.h
@@ -66,7 +66,7 @@ class TextureLayeredEditor : public Control {
 protected:
 	void _notification(int p_what);
 	void _gui_input(Ref<InputEvent> p_event);
-	void _changed_callback(Object *p_changed, const char *p_prop);
+	void _changed_callback(Object *p_changed, const char *p_prop) override;
 	static void _bind_methods();
 
 public:
@@ -79,15 +79,15 @@ class EditorInspectorPluginLayeredTexture : public EditorInspectorPlugin {
 	GDCLASS(EditorInspectorPluginLayeredTexture, EditorInspectorPlugin);
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
 };
 
 class TextureLayeredEditorPlugin : public EditorPlugin {
 	GDCLASS(TextureLayeredEditorPlugin, EditorPlugin);
 
 public:
-	virtual String get_name() const { return "TextureLayered"; }
+	virtual String get_name() const override { return "TextureLayered"; }
 
 	TextureLayeredEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/texture_region_editor_plugin.h b/editor/plugins/texture_region_editor_plugin.h
index 8991603c0f..e9f58006a4 100644
--- a/editor/plugins/texture_region_editor_plugin.h
+++ b/editor/plugins/texture_region_editor_plugin.h
@@ -124,7 +124,7 @@ protected:
 
 	Vector2 snap_point(Vector2 p_target) const;
 
-	virtual void _changed_callback(Object *p_changed, const char *p_prop);
+	virtual void _changed_callback(Object *p_changed, const char *p_prop) override;
 
 public:
 	void _edit_region();
@@ -155,13 +155,13 @@ protected:
 	void _editor_visiblity_changed();
 
 public:
-	virtual String get_name() const { return "TextureRegion"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
-	void set_state(const Dictionary &p_state);
-	Dictionary get_state() const;
+	virtual String get_name() const override { return "TextureRegion"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
+	void set_state(const Dictionary &p_state) override;
+	Dictionary get_state() const override;
 
 	TextureRegionEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/theme_editor_plugin.h b/editor/plugins/theme_editor_plugin.h
index 983bfb6b50..e374dd8714 100644
--- a/editor/plugins/theme_editor_plugin.h
+++ b/editor/plugins/theme_editor_plugin.h
@@ -105,11 +105,11 @@ class ThemeEditorPlugin : public EditorPlugin {
 	Button *button;
 
 public:
-	virtual String get_name() const { return "Theme"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_node);
-	virtual bool handles(Object *p_node) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "Theme"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_node) override;
+	virtual bool handles(Object *p_node) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	ThemeEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/tile_map_editor_plugin.h b/editor/plugins/tile_map_editor_plugin.h
index 135a9bd5a5..996e904853 100644
--- a/editor/plugins/tile_map_editor_plugin.h
+++ b/editor/plugins/tile_map_editor_plugin.h
@@ -231,14 +231,14 @@ protected:
 	void _notification(int p_what);
 
 public:
-	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) { return tile_map_editor->forward_gui_input(p_event); }
-	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) { tile_map_editor->forward_canvas_draw_over_viewport(p_overlay); }
-
-	virtual String get_name() const { return "TileMap"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return tile_map_editor->forward_gui_input(p_event); }
+	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { tile_map_editor->forward_canvas_draw_over_viewport(p_overlay); }
+
+	virtual String get_name() const override { return "TileMap"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	TileMapEditorPlugin(EditorNode *p_node);
 	~TileMapEditorPlugin();
diff --git a/editor/plugins/tile_set_editor_plugin.h b/editor/plugins/tile_set_editor_plugin.h
index d2687e7a4b..72eb14941c 100644
--- a/editor/plugins/tile_set_editor_plugin.h
+++ b/editor/plugins/tile_set_editor_plugin.h
@@ -284,13 +284,13 @@ class TileSetEditorPlugin : public EditorPlugin {
 	EditorNode *editor;
 
 public:
-	virtual String get_name() const { return "TileSet"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_node);
-	virtual bool handles(Object *p_node) const;
-	virtual void make_visible(bool p_visible);
-	void set_state(const Dictionary &p_state);
-	Dictionary get_state() const;
+	virtual String get_name() const override { return "TileSet"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_node) override;
+	virtual bool handles(Object *p_node) const override;
+	virtual void make_visible(bool p_visible) override;
+	void set_state(const Dictionary &p_state) override;
+	Dictionary get_state() const override;
 
 	TileSetEditorPlugin(EditorNode *p_node);
 };
diff --git a/editor/plugins/visual_shader_editor_plugin.h b/editor/plugins/visual_shader_editor_plugin.h
index b7c0fb8e45..dd9144c567 100644
--- a/editor/plugins/visual_shader_editor_plugin.h
+++ b/editor/plugins/visual_shader_editor_plugin.h
@@ -281,7 +281,7 @@ public:
 	void clear_custom_types();
 	void add_custom_type(const String &p_name, const Ref<Script> &p_script, const String &p_description, int p_return_icon_type, const String &p_category, bool p_highend);
 
-	virtual Size2 get_minimum_size() const;
+	virtual Size2 get_minimum_size() const override;
 	void edit(VisualShader *p_visual_shader);
 	VisualShaderEditor();
 };
@@ -294,11 +294,11 @@ class VisualShaderEditorPlugin : public EditorPlugin {
 	Button *button;
 
 public:
-	virtual String get_name() const { return "VisualShader"; }
-	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_object);
-	virtual bool handles(Object *p_object) const;
-	virtual void make_visible(bool p_visible);
+	virtual String get_name() const override { return "VisualShader"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
 
 	VisualShaderEditorPlugin(EditorNode *p_node);
 	~VisualShaderEditorPlugin();
@@ -308,7 +308,7 @@ class VisualShaderNodePluginDefault : public VisualShaderNodePlugin {
 	GDCLASS(VisualShaderNodePluginDefault, VisualShaderNodePlugin);
 
 public:
-	virtual Control *create_editor(const Ref<Resource> &p_parent_resource, const Ref<VisualShaderNode> &p_node);
+	virtual Control *create_editor(const Ref<Resource> &p_parent_resource, const Ref<VisualShaderNode> &p_node) override;
 };
 
 class EditorPropertyShaderMode : public EditorProperty {
@@ -322,7 +322,7 @@ protected:
 
 public:
 	void setup(const Vector<String> &p_options);
-	virtual void update_property();
+	virtual void update_property() override;
 	void set_option_button_clip(bool p_enable);
 	EditorPropertyShaderMode();
 };
@@ -331,10 +331,10 @@ class EditorInspectorShaderModePlugin : public EditorInspectorPlugin {
 	GDCLASS(EditorInspectorShaderModePlugin, EditorInspectorPlugin);
 
 public:
-	virtual bool can_handle(Object *p_object);
-	virtual void parse_begin(Object *p_object);
-	virtual bool parse_property(Object *p_object, Variant::Type p_type, const String &p_path, PropertyHint p_hint, const String &p_hint_text, int p_usage, bool p_wide = false);
-	virtual void parse_end();
+	virtual bool can_handle(Object *p_object) override;
+	virtual void parse_begin(Object *p_object) override;
+	virtual bool parse_property(Object *p_object, Variant::Type p_type, const String &p_path, PropertyHint p_hint, const String &p_hint_text, int p_usage, bool p_wide = false) override;
+	virtual void parse_end() override;
 };
 
 class VisualShaderNodePortPreview : public Control {
@@ -349,7 +349,7 @@ protected:
 	static void _bind_methods();
 
 public:
-	virtual Size2 get_minimum_size() const;
+	virtual Size2 get_minimum_size() const override;
 	void setup(const Ref<VisualShader> &p_shader, VisualShader::Type p_type, int p_node, int p_port);
 	VisualShaderNodePortPreview();
 };
@@ -358,9 +358,9 @@ class VisualShaderConversionPlugin : public EditorResourceConversionPlugin {
 	GDCLASS(VisualShaderConversionPlugin, EditorResourceConversionPlugin);
 
 public:
-	virtual String converts_to() const;
-	virtual bool handles(const Ref<Resource> &p_resource) const;
-	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const;
+	virtual String converts_to() const override;
+	virtual bool handles(const Ref<Resource> &p_resource) const override;
+	virtual Ref<Resource> convert(const Ref<Resource> &p_resource) const override;
 };
 
 #endif // VISUAL_SHADER_EDITOR_PLUGIN_H