AnimatedSprite Fix updating inspector when SpriteFrames is modified

editor/editor_inspector.cpp

@@ -1448,8 +1448,7 @@ void EditorInspector::update_tree() {
 	String group_base;
 	VBoxContainer *category_vbox = nullptr;
 
-	List<PropertyInfo>
-			plist;
+	List<PropertyInfo> plist;
 	object->get_property_list(&plist, true);
 
 	HashMap<String, VBoxContainer *> item_path;

editor/plugins/sprite_frames_editor_plugin.cpp

@@ -744,15 +744,19 @@ void SpriteFramesEditor::_animation_name_edited() {
 	undo_redo->add_undo_method(frames, "rename_animation", name, edited_anim);
 
 	for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
-		String current = E->get()->call("get_animation");
+		StringName current = E->get()->call("get_animation");
+		if (current != edited_anim) {
+			continue;
+		}
+
 		undo_redo->add_do_method(E->get(), "set_animation", name);
-		undo_redo->add_undo_method(E->get(), "set_animation", edited_anim);
+		undo_redo->add_undo_method(E->get(), "set_animation", current);
 	}
 
 	undo_redo->add_do_method(this, "_update_library");
 	undo_redo->add_undo_method(this, "_update_library");
 
-	edited_anim = new_name;
+	edited_anim = name;
 
 	undo_redo->commit_action();
 }
@@ -774,8 +778,14 @@ void SpriteFramesEditor::_animation_add() {
 	undo_redo->add_do_method(this, "_update_library");
 	undo_redo->add_undo_method(this, "_update_library");
 
+	// Assign the newly added animation to the edited anim sprite and to all other anim sprites having invalid animation.
+	Object *edited_anim_sprite = EditorNode::get_singleton()->get_inspector()->get_edited_object();
 	for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
-		String current = E->get()->call("get_animation");
+		StringName current = E->get()->call("get_animation");
+		if (frames->has_animation(current) && E->get() != edited_anim_sprite) {
+			continue;
+		}
+
 		undo_redo->add_do_method(E->get(), "set_animation", name);
 		undo_redo->add_undo_method(E->get(), "set_animation", current);
 	}
@@ -810,10 +820,35 @@ void SpriteFramesEditor::_animation_remove_confirmed() {
 		Ref<Texture> frame = frames->get_frame(edited_anim, i);
 		undo_redo->add_undo_method(frames, "add_frame", edited_anim, frame);
 	}
+
+	StringName new_edited_anim = StringName();
+
+	List<StringName> anim_names;
+	frames->get_animation_list(&anim_names);
+	anim_names.sort_custom<StringName::AlphCompare>();
+
+	// If removing not the last animation, make the first animation left the new edited one.
+	if (anim_names.size() > 1) {
+		new_edited_anim = edited_anim != anim_names.front()->get() ? anim_names.front()->get() : anim_names.front()->next()->get();
+
+		List<Node *> nodes;
+		_find_anim_sprites(EditorNode::get_singleton()->get_edited_scene(), &nodes, Ref<SpriteFrames>(frames));
+
+		for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
+			StringName current = E->get()->call("get_animation");
+			if (current != edited_anim) {
+				continue;
+			}
+
+			undo_redo->add_do_method(E->get(), "set_animation", new_edited_anim);
+			undo_redo->add_undo_method(E->get(), "set_animation", current);
+		}
+	}
+
 	undo_redo->add_do_method(this, "_update_library");
 	undo_redo->add_undo_method(this, "_update_library");
 
-	edited_anim = StringName();
+	edited_anim = new_edited_anim;
 
 	undo_redo->commit_action();
 }

scene/2d/animated_sprite.cpp

@@ -147,7 +147,7 @@ void SpriteFrames::clear(const StringName &p_anim) {
 
 void SpriteFrames::clear_all() {
 	animations.clear();
-	add_animation("default");
+	add_animation("default"); // Also emits changed.
 }
 
 void SpriteFrames::add_animation(const StringName &p_anim) {
@@ -155,13 +155,16 @@ void SpriteFrames::add_animation(const StringName &p_anim) {
 
 	animations[p_anim] = Anim();
 	animations[p_anim].normal_name = String(p_anim) + NORMAL_SUFFIX;
+	emit_changed();
 }
 
 bool SpriteFrames::has_animation(const StringName &p_anim) const {
 	return animations.has(p_anim);
 }
 void SpriteFrames::remove_animation(const StringName &p_anim) {
-	animations.erase(p_anim);
+	if (animations.erase(p_anim)) {
+		emit_changed();
+	}
 }
 
 void SpriteFrames::rename_animation(const StringName &p_prev, const StringName &p_next) {
@@ -172,17 +175,7 @@ void SpriteFrames::rename_animation(const StringName &p_prev, const StringName &
 	animations.erase(p_prev);
 	animations[p_next] = anim;
 	animations[p_next].normal_name = String(p_next) + NORMAL_SUFFIX;
-}
-
-Vector<String> SpriteFrames::_get_animation_list() const {
-	Vector<String> ret;
-	List<StringName> al;
-	get_animation_list(&al);
-	for (List<StringName>::Element *E = al.front(); E; E = E->next()) {
-		ret.push_back(E->get());
-	}
-
-	return ret;
+	emit_changed();
 }
 
 void SpriteFrames::get_animation_list(List<StringName> *r_animations) const {
@@ -571,8 +564,12 @@ bool AnimatedSprite::is_flipped_v() const {
 
 void AnimatedSprite::_res_changed() {
 	set_frame(frame);
-	_change_notify("frame");
-	_change_notify("animation");
+
+	// Calling _change_notify("frame") and _change_notify("animation") instead wouldn't
+	// make EditorInspector trigger calls to _validate_property(property) which would
+	// lead to not updating valid values for "frame" and "animation" properties.
+	_change_notify();
+
 	update();
 }
 

scene/2d/animated_sprite.h

@@ -58,8 +58,6 @@ class SpriteFrames : public Resource {
 	Array _get_animations() const;
 	void _set_animations(const Array &p_animations);
 
-	Vector<String> _get_animation_list() const;
-
 protected:
 	static void _bind_methods();