From 75314c2f87c1f3f209d3a7690be985fba8c72120 Mon Sep 17 00:00:00 2001
From: Haoyu Qiu <timothyqiu32@gmail.com>
Date: Tue, 8 Apr 2025 11:45:21 +0800
Subject: [PATCH] Remove dead code in AnimationStateMachine editor

---
 .../animation_state_machine_editor.cpp        | 65 +------------------
 .../plugins/animation_state_machine_editor.h  |  9 +--
 2 files changed, 2 insertions(+), 72 deletions(-)

diff --git a/editor/plugins/animation_state_machine_editor.cpp b/editor/plugins/animation_state_machine_editor.cpp
index 19c67f0fe4c..943451584cb 100644
--- a/editor/plugins/animation_state_machine_editor.cpp
+++ b/editor/plugins/animation_state_machine_editor.cpp
@@ -39,10 +39,10 @@
 #include "editor/gui/editor_file_dialog.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/animation/animation_blend_tree.h"
+#include "scene/gui/line_edit.h"
 #include "scene/gui/option_button.h"
 #include "scene/gui/panel_container.h"
 #include "scene/gui/separator.h"
-#include "scene/gui/tree.h"
 #include "scene/main/viewport.h"
 #include "scene/main/window.h"
 #include "scene/resources/style_box_flat.h"
@@ -706,50 +706,6 @@ void AnimationNodeStateMachineEditor::_stop_connecting() {
 	state_machine_draw->queue_redraw();
 }
 
-void AnimationNodeStateMachineEditor::_delete_selected() {
-	TreeItem *item = delete_tree->get_next_selected(nullptr);
-	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
-	while (item) {
-		if (!updating) {
-			updating = true;
-			undo_redo->create_action("Transition(s) Removed");
-		}
-
-		Vector<String> path = item->get_text(0).split(" -> ");
-
-		selected_transition_from = path[0];
-		selected_transition_to = path[1];
-		_erase_selected(true);
-
-		item = delete_tree->get_next_selected(item);
-	}
-
-	if (updating) {
-		undo_redo->commit_action();
-		updating = false;
-	}
-}
-
-void AnimationNodeStateMachineEditor::_delete_all() {
-	updating = true;
-	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
-	undo_redo->create_action("Transition(s) Removed");
-	_erase_selected(true);
-	undo_redo->commit_action();
-	updating = false;
-
-	delete_window->hide();
-}
-
-void AnimationNodeStateMachineEditor::_delete_tree_draw() {
-	TreeItem *item = delete_tree->get_next_selected(nullptr);
-	while (item) {
-		delete_window->get_cancel_button()->set_disabled(false);
-		return;
-	}
-	delete_window->get_cancel_button()->set_disabled(true);
-}
-
 void AnimationNodeStateMachineEditor::_file_opened(const String &p_file) {
 	file_loaded = ResourceLoader::load(p_file);
 	if (file_loaded.is_valid()) {
@@ -1948,25 +1904,6 @@ AnimationNodeStateMachineEditor::AnimationNodeStateMachineEditor() {
 	open_file->set_title(TTR("Open Animation Node"));
 	open_file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
 	open_file->connect("file_selected", callable_mp(this, &AnimationNodeStateMachineEditor::_file_opened));
-
-	delete_window = memnew(ConfirmationDialog);
-	delete_window->set_flag(Window::FLAG_RESIZE_DISABLED, true);
-	delete_window->set_flag(Window::FLAG_MINIMIZE_DISABLED, true);
-	delete_window->set_flag(Window::FLAG_MAXIMIZE_DISABLED, true);
-	add_child(delete_window);
-
-	delete_tree = memnew(Tree);
-	delete_tree->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
-	delete_tree->set_hide_root(true);
-	delete_tree->connect(SceneStringName(draw), callable_mp(this, &AnimationNodeStateMachineEditor::_delete_tree_draw));
-	delete_window->add_child(delete_tree);
-
-	Button *ok = delete_window->get_cancel_button();
-	ok->set_text(TTR("Delete Selected"));
-	ok->connect(SceneStringName(pressed), callable_mp(this, &AnimationNodeStateMachineEditor::_delete_selected));
-
-	Button *delete_all = delete_window->add_button(TTR("Delete All"), true);
-	delete_all->connect(SceneStringName(pressed), callable_mp(this, &AnimationNodeStateMachineEditor::_delete_all));
 }
 
 void EditorAnimationMultiTransitionEdit::add_transition(const StringName &p_from, const StringName &p_to, Ref<AnimationNodeStateMachineTransition> p_transition) {
diff --git a/editor/plugins/animation_state_machine_editor.h b/editor/plugins/animation_state_machine_editor.h
index 11accfa34d5..eefb0e1ecce 100644
--- a/editor/plugins/animation_state_machine_editor.h
+++ b/editor/plugins/animation_state_machine_editor.h
@@ -34,10 +34,10 @@
 #include "scene/animation/animation_node_state_machine.h"
 #include "scene/gui/graph_edit.h"
 #include "scene/gui/popup.h"
-#include "scene/gui/tree.h"
 
 class ConfirmationDialog;
 class EditorFileDialog;
+class LineEdit;
 class OptionButton;
 class PanelContainer;
 
@@ -149,9 +149,6 @@ class AnimationNodeStateMachineEditor : public AnimationTreeNodeEditorPlugin {
 
 	Vector2 add_node_pos;
 
-	ConfirmationDialog *delete_window = nullptr;
-	Tree *delete_tree = nullptr;
-
 	bool box_selecting = false;
 	Point2 box_selecting_from;
 	Point2 box_selecting_to;
@@ -252,10 +249,6 @@ class AnimationNodeStateMachineEditor : public AnimationTreeNodeEditorPlugin {
 	bool _create_submenu(PopupMenu *p_menu, Ref<AnimationNodeStateMachine> p_nodesm, const StringName &p_name, const StringName &p_path);
 	void _stop_connecting();
 
-	void _delete_selected();
-	void _delete_all();
-	void _delete_tree_draw();
-
 	bool last_active = false;
 	StringName last_fading_from_node;
 	StringName last_current_node;