Godot 4 でWiz系ダンジョンRPG開発 (セーブ & ロード機能) [015]

# ==============================================================================
# SaveManager (セーブデータ管理クラス) - res://save_manager.gd
# ==============================================================================
extends Node

const SAVE_PATH_FORMAT = "user://save_slot_%d.save"

## 指定したスロットに現在のゲーム状態を保存する
func save_game(slot_no: int) -> bool:
	# 1. 画面表示（ヘッダー用）の簡易情報の作成
	var header_party = []
	for slot in PartyManager.slots:
		if slot != null:
			header_party.append({
				"name": slot.chara_name,
				"level": slot.level,
				"class": slot.chara_class,
				"face_image_path": slot.face_image_path
			})
			break

	# 2. ギルド名簿の実データをすべて保存
	var serialized_guild_members = []
	for member in GuildManager.registered_members:
		if member != null:
			serialized_guild_members.append(member.serialize())

	# 3. パーティ枠の位置インデックスを保存
	var party_slot_indices = []
	for slot in PartyManager.slots:
		if slot == null:
			party_slot_indices.append(-1)
		else:
			var idx = GuildManager.registered_members.find(slot)
			party_slot_indices.append(idx)

	# 4. MenuWindow から現在の設定インデックス（0 or 1）を取得する
	var saved_lang_index = 0
	var saved_res_index = 0
	
	# パス変更のリスクを避けるため、名前から MenuWindow ノードを安全に検索
	var menu_window = get_tree().root.find_child("MenuWindow", true, false)
	if menu_window:
		if menu_window.language_button:
			saved_lang_index = menu_window.language_button.selected
		if menu_window.resolution_button:
			saved_res_index = menu_window.resolution_button.selected

	# 5. セーブデータ全体の構築
	var save_data = {
		"slot_no": slot_no,
		"play_time": "12:34:56",
		"party": header_party,
		"guild_members": serialized_guild_members,
		"party_slot_indices": party_slot_indices,
		"config_language_index": saved_lang_index, # 【既存の設計に準拠】
		"config_resolution_index": saved_res_index, # 【既存の設計に準拠】
		"system_language": TranslationServer.get_locale() # 既存の互換性のため残す
	}
		
	# ファイルへの書き込み処理
	var path = SAVE_PATH_FORMAT % slot_no
	var file = FileAccess.open(path, FileAccess.WRITE)
	if file == null:
		print("[SaveManager] 失敗: ファイルを開けませんでした -> ", path)
		return false
		
	var json_string = JSON.stringify(save_data)
	file.store_line(json_string)
	file.close()
	print("[SaveManager] 成功: スロットNo.", slot_no, " に保存しました。")
	return true

## 指定したスロットのヘッダー情報を取得する
func get_slot_header(slot_no: int) -> Dictionary:
	var path = SAVE_PATH_FORMAT % slot_no
	if not FileAccess.file_exists(path):
		return {"exists": false, "slot_no": slot_no}
		
	var file = FileAccess.open(path, FileAccess.READ)
	if file == null:
		return {"exists": false, "slot_no": slot_no}
		
	var json_string = file.get_line()
	file.close()
	
	var json = JSON.new()
	if json.parse(json_string) == OK:
		var data = json.get_data()
		data["exists"] = true
		return data
		
	return {"exists": false, "slot_no": slot_no}

class_name MenuWindow
extends Control

signal menu_opened
signal menu_closed

# メインノードに設定変更をお願いするためのシグナル
signal language_change_requested(index: int)
signal resolution_change_requested(index: int)

# --- 右側メニューボタン参照 ---
@onready var items_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Items
@onready var spells_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Spells
@onready var skills_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Skills
@onready var equipment_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Equipment
@onready var formation_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Formation
@onready var status_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Status
@onready var tactics_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Tactics
@onready var config_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Config
@onready var save_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Save

# --- 左側基本UI参照 ---
@onready var menu_message_label: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/MessageContainer/MenuMessageLabel
@onready var gold_label: Label = $MainMenuLayout/MainHBox/RMainMenuLayout/GoldWindow/GoldHBox/GoldLabel
@onready var party_layout: VBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout
@onready var l_main_menu_layout: Control = $MainMenuLayout/MainHBox/LMainMenuLayout
@onready var r_main_menu_layout: Control = $MainMenuLayout/MainHBox/RMainMenuLayout
@onready var front_row_party_member: HBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/FrontRowPartyMember
@onready var back_row_party_member: HBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/BackRowPartyMember

# --- 設定（Config）画面用UI参照 ---
@onready var main_menu_layout: Control = $MainMenuLayout
@onready var config_layout: VBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout
@onready var language_button: OptionButton = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/LanguageHBox/LanguageButton
@onready var resolution_button: OptionButton = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/ResolutionHBox/ResolutionButton
@onready var config_back_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/ConfigBackButton

# 設定画面内のテキストラベル参照
@onready var language_label: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/LanguageHBox/LanguageLabel
@onready var resolution_label: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/ResolutionHBox/ResolutionLabel

# --- パーティメンバーUI（1〜6）へのルート参照 ---
@onready var member_nodes: Array = [
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/FrontRowPartyMember/PartyMember1,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/FrontRowPartyMember/PartyMember2,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/FrontRowPartyMember/PartyMember3,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/BackRowPartyMember/PartyMember4,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/BackRowPartyMember/PartyMember5,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/BackRowPartyMember/PartyMember6
]

# --- セーブ画面用UI参照 ---
@onready var save_layout: VBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout
@onready var next_slot_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveBottomHBox/NextSlotButton
@onready var save_back_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveBottomHBox/SaveBackButton
@onready var save_lavel: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveSlotContainer/SaveLabel

# セーブスロット（3つ分）のボタン参照配列
@onready var slot_buttons: Array = [
	$MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveSlotContainer/SlotRow1/SaveSlot1,
	$MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveSlotContainer/SlotRow2/SaveSlot1,
	$MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveSlotContainer/SlotRow3/SaveSlot1
]

# ダイアログ類（ポップアップ）の参照
@onready var save_confirm_dialog: ConfirmationDialog = $SaveConfirmDialog
@onready var save_alert_dialog: AcceptDialog = $SaveAlertDialog

# --- セーブ状態管理変数 ---
var _current_page_index: int = 0 # 0=スロット1-3, 1=スロット4-6, 2=スロット7-9
var _selected_slot_no: int = 1
var _last_town_focus_owner: Control = null

func _ready() -> void:
	hide()
	if config_layout: config_layout.hide()
	if save_layout: save_layout.hide()
	
	# 通常メニューボタンのシグナル接続
	if items_button: items_button.pressed.connect(func(): _on_menu_button_pressed("ITEMS"))
	if spells_button: spells_button.pressed.connect(func(): _on_menu_button_pressed("SPELLS"))
	if skills_button: skills_button.pressed.connect(func(): _on_menu_button_pressed("SKILLS"))
	if equipment_button: equipment_button.pressed.connect(func(): _on_menu_button_pressed("EQUIPMENT"))
	if formation_button: formation_button.pressed.connect(func(): _on_menu_button_pressed("FORMATION"))
	if status_button: status_button.pressed.connect(func(): _on_menu_button_pressed("STATUS"))
	if tactics_button: tactics_button.pressed.connect(func(): _on_menu_button_pressed("TACTICS"))
	if config_button: config_button.pressed.connect(func(): _on_menu_button_pressed("CONFIG"))
	if save_button: save_button.pressed.connect(func(): _on_menu_button_pressed("SAVE"))

	# メニューのフォーカスイベント接続
	if items_button: items_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_ITEMS_EXPLANATION"))
	if spells_button: spells_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_SPELLS_EXPLANATION"))
	if skills_button: skills_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_SKILLS_EXPLANATION"))
	if equipment_button: equipment_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_EQUIPMENT_EXPLANATION"))
	if formation_button: formation_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_FORMATION_EXPLANATION"))
	if status_button: status_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_STATUS_EXPLANATION"))
	if tactics_button: tactics_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_TACTICS_EXPLANATION"))
	if config_button: config_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_CONFIG_EXPLANATION"))
	if save_button: save_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_SAVE_EXPLANATION"))
	
	_setup_config_ui()
	_setup_save_ui()
	setup_party_layout_sizes()

func _input(event: InputEvent) -> void:
	if not visible:
		if event.is_action_pressed("ui_select"):
			get_viewport().set_input_as_handled()
			open_menu()
		return
	
	if event.is_action_pressed("ui_cancel"):
		get_viewport().set_input_as_handled()
		if config_layout and config_layout.visible:
			_close_config_screen()
		elif save_layout and save_layout.visible:
			_close_save_screen()
		else:
			close_menu()

func open_menu() -> void:
	update_all_strings() 
	_update_party_display()
	
	_hide_all_sub_layouts()
	if party_layout: party_layout.show()

	_last_town_focus_owner = get_viewport().gui_get_focus_owner()
	if _last_town_focus_owner:
		_last_town_focus_owner.release_focus()
	
	show()
	
	await get_tree().process_frame
	if items_button:
		items_button.grab_focus()
		
	menu_opened.emit()

func _open_config_screen() -> void:
	if not config_layout: return
	_hide_all_sub_layouts()
	config_layout.show()
	await get_tree().process_frame
	language_button.grab_focus()

func _close_config_screen() -> void:
	if not config_layout: return
	_hide_all_sub_layouts()
	if party_layout: party_layout.show()
	await get_tree().process_frame
	if config_button: config_button.grab_focus()

func _close_save_screen() -> void:
	if not save_layout: return
	_hide_all_sub_layouts()
	if party_layout: party_layout.show()
	await get_tree().process_frame
	if save_button:
		save_button.grab_focus()

func _back_to_main_menu_after_save() -> void:
	_close_save_screen()

func close_menu() -> void:
	hide()
	if _last_town_focus_owner and is_instance_valid(_last_town_focus_owner) and _last_town_focus_owner.is_inside_tree():
		_last_town_focus_owner.grab_focus()
	_last_town_focus_owner = null
	menu_closed.emit()

## メインメニューおよび現在の説明文を最新の言語に再翻訳するパブリック関数
func update_all_strings() -> void:
	if items_button: items_button.text = tr("MAIN_MENU_ITEMS")
	if spells_button: spells_button.text = tr("MAIN_MENU_SPELLS")
	if skills_button: skills_button.text = tr("MAIN_MENU_SKILLS")
	if equipment_button: equipment_button.text = tr("MAIN_MENU_EQUIPMENT")
	if formation_button: formation_button.text = tr("MAIN_MENU_FORMATION")
	if status_button: status_button.text = tr("MAIN_MENU_STATUS")
	if tactics_button: tactics_button.text = tr("MAIN_MENU_TACTICS")
	if config_button: config_button.text = tr("MAIN_MENU_CONFIG")
	if save_button: save_button.text = tr("MAIN_MENU_SAVE")
	if gold_label: gold_label.text = tr("MAIN_MENU_GOLD")
	
	if language_label: language_label.text = tr("MENU_SETTINGS_LANGUAGE_LABEL")
	if resolution_label: resolution_label.text = tr("MENU_SETTINGS_RESOLUTION_LABEL")
	if config_back_button: config_back_button.text = tr("MENU_SETTINGS_BACKBUTTON_LABEL")
	
	# セーブ画面のテキスト
	if next_slot_button: next_slot_button.text = tr("MENU_SAVE_NEXT_PAGE")
	if save_back_button: save_back_button.text = tr("MENU_SAVE_BACK")
	if save_lavel: save_lavel.text = tr("MAIN_MENU_SAVE")
	
	# セーブダイアログのウィンドウタイトルのローカライズ
	if save_confirm_dialog:
		save_confirm_dialog.title = tr("MENU_SAVE_CONFIRM_DIALOG_TITLE")
	if save_alert_dialog:
		save_alert_dialog.title = tr("MENU_SAVE_ALERT_DIALOG_TITLE")
	
	if config_layout and config_layout.visible:
		_update_explanation("MAIN_MENU_CONFIG_EXPLANATION")
	elif save_layout and save_layout.visible:
		_update_explanation("MENU_SAVE_MESSAGE_EXPLANATION")
	elif config_button and config_button.has_focus():
		_update_explanation("MAIN_MENU_CONFIG_EXPLANATION")
		
	_update_party_display()
	
	# セーブ画面表示中ならスロット上のテキストも再翻訳して更新
	if save_layout and save_layout.visible:
		_render_save_slots()

func _on_menu_button_pressed(button_id: String) -> void:
	_hide_all_sub_layouts()
	
	match button_id:
		"CONFIG":
			_open_config_screen()
		"SAVE":
			_open_save_screen()
		"ITEMS", "SPELLS", "SKILLS", "EQUIPMENT", "FORMATION", "STATUS", "TACTICS":
			if party_layout: party_layout.show()
			print("[MenuWindow] 選択されたメニュー: ", button_id)
		
func _hide_all_sub_layouts() -> void:
	if party_layout: party_layout.hide()
	if config_layout: config_layout.hide()
	if save_layout: save_layout.hide()

func _update_explanation(loc_id: String) -> void:
	if menu_message_label:
		menu_message_label.text = tr(loc_id)

# ==============================================================================
# メニュー画面全体のフルサイズ固定（全画面化）
# ==============================================================================
func set_menu_full_size() -> void:
	if not main_menu_layout: return
	self.custom_minimum_size = Vector2.ZERO
	main_menu_layout.custom_minimum_size = Vector2.ZERO
	
	var target_screen_size := Vector2(1280, 720)
	self.set_anchors_preset(Control.PRESET_TOP_LEFT)
	self.position = Vector2.ZERO
	main_menu_layout.set_anchors_preset(Control.PRESET_TOP_LEFT)
	main_menu_layout.position = Vector2.ZERO
	self.size = target_screen_size
	main_menu_layout.size = target_screen_size
	self.custom_minimum_size = target_screen_size
	main_menu_layout.custom_minimum_size = target_screen_size

# ==============================================================================
# 設定画面（Config）のコントロールロジック
# ==============================================================================
func _setup_config_ui() -> void:
	if not language_button or not resolution_button or not config_back_button: return
	language_button.clear()
	language_button.add_item("English", 0)
	language_button.add_item("日本語", 1)
	language_button.select(0)
	language_button.item_selected.connect(func(id): language_change_requested.emit(id))
	
	resolution_button.clear()
	resolution_button.add_item("1280x720", 0)
	resolution_button.add_item("1920x1080", 1)
	resolution_button.select(0)
	resolution_button.item_selected.connect(func(id): resolution_change_requested.emit(id))
	config_back_button.pressed.connect(_close_config_screen)

# ==============================================================================
# セーブ画面（Save）のコントロールロジック
# ==============================================================================
func _setup_save_ui() -> void:
	if not next_slot_button or not save_back_button: return
	
	next_slot_button.pressed.connect(_on_next_slot_pressed)
	save_back_button.pressed.connect(_close_save_screen)
	
	for i in range(3):
		var btn = slot_buttons[i]
		if btn:
			btn.pressed.connect(func(): _on_slot_selected(i))
			
	if save_confirm_dialog:
		save_confirm_dialog.confirmed.connect(_execute_save)
		save_confirm_dialog.canceled.connect(func(): slot_buttons[0].grab_focus())
		
	if save_alert_dialog:
		save_alert_dialog.confirmed.connect(_back_to_main_menu_after_save)

func _open_save_screen() -> void:
	if not save_layout or not party_layout: return
	party_layout.hide()
	if config_layout: config_layout.hide()
	save_layout.show()
	
	_current_page_index = 0
	_update_explanation("MENU_SAVE_MESSAGE_EXPLANATION")
	_render_save_slots()
	
	await get_tree().process_frame
	if slot_buttons[0]:
		slot_buttons[0].grab_focus()

## 現在のページインデックス(0~2)に応じたセーブスロットデータを描画する
func _render_save_slots() -> void:
	var start_slot = (_current_page_index * 3) + 1
	
	for i in range(3):
		var slot_no = start_slot + i
		var btn: Button = slot_buttons[i]
		if not btn: continue
		
		var header = SaveManager.get_slot_header(slot_no)
		
		var parent_node = btn.get_parent()
		var lbl_no: Label = null
		if parent_node:
			lbl_no = parent_node.find_child("SlotNoLabel", true, false)
		
		var rect_face: TextureRect = btn.find_child("SlotAppearance", true, false)
		var lbl_time: Label = btn.find_child("SlotPlayTimeLabel", true, false)
		var lbl_name: Label = btn.find_child("SlotNameLabel", true, false)
		var lbl_lv: Label = btn.find_child("SlotLvLabel", true, false)
		var lbl_class: Label = btn.find_child("SlotClassLabel", true, false)
		
		if lbl_no: lbl_no.text = "No.%d" % slot_no
		
		if not header["exists"]:
			# データなし（新規保存用表示）
			if lbl_time: lbl_time.text = "--:--:--"
			# 【ローカライズ適用】
			if lbl_name: lbl_name.text = tr("MENU_SAVE_SLOT_EMPTY")
			if lbl_lv: lbl_lv.text = ""
			if lbl_class: lbl_class.text = ""
			if rect_face: rect_face.texture = null
		else:
			# データあり
			if lbl_time: lbl_time.text = header.get("play_time", "00:00:00")
			
			var party_data = header.get("party", [])
			if party_data.size() > 0:
				var chara = party_data[0]
				
				if lbl_name: lbl_name.text = chara["name"]
				if lbl_lv: lbl_lv.text = "Lv.%d" % chara["level"]
				if lbl_class: lbl_class.text = tr(chara["class"])
				
				if rect_face and chara["face_image_path"] and FileAccess.file_exists(chara["face_image_path"]):
					rect_face.texture = load(chara["face_image_path"])
				elif rect_face:
					rect_face.texture = null
			else:
				# パーティがいない状態でセーブされたデータ
				if lbl_name: lbl_name.text = tr("MENU_SAVE_SLOT_NO_PARTY")
				if lbl_lv: lbl_lv.text = ""
				if lbl_class: lbl_class.text = ""
				if rect_face: rect_face.texture = null

func _on_next_slot_pressed() -> void:
	_current_page_index = (_current_page_index + 1) % 3
	_render_save_slots()
	await get_tree().process_frame
	if slot_buttons[0]:
		slot_buttons[0].grab_focus()

func _on_slot_selected(local_index: int) -> void:
	_selected_slot_no = (_current_page_index * 3) + 1 + local_index
	var header = SaveManager.get_slot_header(_selected_slot_no)
	
	if not save_confirm_dialog: return
	
	# プレースホルダー付き文字列の動的合成
	if not header["exists"]:
		save_confirm_dialog.dialog_text = tr("MENU_SAVE_CONFIRM_DIALOG_NEW_DATA") % _selected_slot_no
	else:
		save_confirm_dialog.dialog_text = tr("MENU_SAVE_CONFIRM_DIALOG_OVERWRITE") % _selected_slot_no
		
	# --- ポップアップを表示する前に、Cancel ボタンへ強制フォーカス ---
	save_confirm_dialog.popup_centered()
	
	# popup された直後のフレームでフォーカスを移さないと効かない場合があるため
	# 安全に 1フレーム待ってから grab_focus() させるか、直接ボタンを奪います
	var cancel_btn = save_confirm_dialog.get_cancel_button()
	if cancel_btn:
		cancel_btn.grab_focus()

func _execute_save() -> void:
	var success = SaveManager.save_game(_selected_slot_no)
	
	if not save_alert_dialog: return
	
	# プレースホルダー付き文字列の動的合成
	if success:
		save_alert_dialog.dialog_text = tr("MENU_SAVE_ALERT_DIALOG_SUCCESS") % _selected_slot_no
	else:
		save_alert_dialog.dialog_text = tr("MENU_SAVE_ALERT_DIALOG_FAILURE") % _selected_slot_no
		
	save_alert_dialog.popup_centered()

# ==============================================================================
# サイズ調整・パーティ表示・その他（変更なし）
# ==============================================================================
func set_config_layout_size(resolution_index: int) -> void:
	if not config_layout: return
	var target_config_size := Vector2(320, 180)
	match resolution_index:
		0: target_config_size = Vector2(320, 180)
		1: target_config_size = Vector2(480, 270)
	config_layout.custom_minimum_size = target_config_size
	config_layout.size = target_config_size

func set_main_layouts_size() -> void:
	if not l_main_menu_layout or not r_main_menu_layout: return
	var left_width := 1120.0
	var right_width := 128.0
	l_main_menu_layout.custom_minimum_size = Vector2(left_width, 0)
	l_main_menu_layout.size.x = left_width
	r_main_menu_layout.custom_minimum_size = Vector2(right_width, 0)
	r_main_menu_layout.size.x = right_width

func _update_party_display() -> void:
	for i in range(6):
		var member_panel = member_nodes[i]
		if not member_panel: continue
		member_panel.show()
		var data = PartyManager.slots[i]
		var label_name: Label = member_panel.find_child("Name", true, false)
		var label_lv: Label = member_panel.find_child("Lv", true, false)
		var rect_appearance: TextureRect = member_panel.find_child("Appearance", true, false)
		var label_class: Label = member_panel.find_child("Class", true, false)
		var label_hp: Label = member_panel.find_child("HPLabel", true, false)
		var bar_hp: ProgressBar = member_panel.find_child("HPBar", true, false)
		var label_mp: Label = member_panel.find_child("MPLabel", true, false)
		var bar_mp: ProgressBar = member_panel.find_child("MPBar", true, false)

		if data == null:
			if label_name: label_name.text = ""
			if label_lv: label_lv.text = ""
			if label_class: label_class.text = ""
			if label_hp: label_hp.text = ""
			if label_mp: label_mp.text = ""
			if rect_appearance: rect_appearance.texture = null
			if bar_hp: bar_hp.hide()
			if bar_mp: bar_mp.hide()
		else:
			if bar_hp: bar_hp.show()
			if bar_mp: bar_mp.show()
			if label_name: label_name.text = data.chara_name
			if label_lv: label_lv.text = "Lv%d" % data.level
			if label_class: label_class.text = data.get_display_class()
			if label_hp: label_hp.text = "HP %d/%d" % [data.current_hp, data.max_hp]
			if label_mp: label_mp.text = "MP %d/%d" % [data.current_mp, data.max_mp]
			if rect_appearance:
				if data.face_image_path and FileAccess.file_exists(data.face_image_path):
					rect_appearance.texture = load(data.face_image_path)
				else:
					rect_appearance.texture = null
				rect_appearance.custom_minimum_size = Vector2(160, 160)
				rect_appearance.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
			if bar_hp:
				bar_hp.min_value = 0
				bar_hp.max_value = data.max_hp
				bar_hp.value = data.current_hp
			if bar_mp:
				bar_mp.min_value = 0
				bar_mp.max_value = data.max_mp
				bar_mp.value = data.current_mp

func setup_party_layout_sizes() -> void:
	if party_layout and front_row_party_member and back_row_party_member:
		party_layout.custom_minimum_size = Vector2(960, 0)
		party_layout.size.x = 960
		front_row_party_member.custom_minimum_size = Vector2(960, 0)
		back_row_party_member.custom_minimum_size = Vector2(960, 0)
		
		for member_panel in member_nodes:
			if not member_panel: continue
			member_panel.custom_minimum_size = Vector2(320, 240)
			member_panel.size = Vector2(320, 240)
			var member_hbox = member_panel.get_node_or_null("MemberHBox1")
			if not member_hbox: member_hbox = member_panel.find_child("MemberHBox*", true, false)
			if member_hbox:
				var l_part = member_hbox.get_node_or_null("LPartyMember1")
				if not l_part: l_part = member_hbox.find_child("LPartyMember*", true, false)
				if l_part:
					l_part.custom_minimum_size = Vector2(160, 0)
					l_part.size.x = 160
				var r_part = member_hbox.get_node_or_null("RPartyMember1")
				if not r_part: r_part = member_hbox.find_child("RPartyMember*", true, false)
				if r_part:
					r_part.custom_minimum_size = Vector2(160, 0)
					r_part.size.x = 160
	
	if save_layout:
		# 大元の SaveLayout の横幅を 720px に固定 (縦幅は自動)
		save_layout.custom_minimum_size = Vector2(420, 0)
		save_layout.size.x = 420
		
		# 3つのセーブスロットボタンの横幅を 720px に強制ロックし、内部パーツのサイズも固定する
		for btn in slot_buttons:
			if btn is Button:
				var current_height = btn.size.y if btn.size.y > 0 else 120.0
				btn.custom_minimum_size = Vector2(420, current_height)
				btn.size = Vector2(420, current_height)
				
				# --- スロット内部の左右コンテナの横幅を固定長にする ---
				var slot_left = btn.find_child("SlotLeft", true, false)
				if slot_left and slot_left is Control:
					# 顔グラフィック領域（左側）の横幅を 160px に固定
					slot_left.custom_minimum_size = Vector2(160, 0)
					slot_left.size.x = 160
				
				var slot_right = btn.find_child("SlotRight", true, false)
				if slot_right and slot_right is Control:
					# テキスト領域（右側）の横幅を残り全体の 520px（720 - 160 - 余白等）に完全固定
					slot_right.custom_minimum_size = Vector2(260, 0)
					slot_right.size.x = 260
				
		print("[MenuWindow] セーブレイアウトおよび内部パーツの横幅を完全固定しました。")

# ==============================================================================
# LoadManager (ロードデータ管理クラス) - res://load_manager.gd
# ==============================================================================
extends Node

const SAVE_PATH_FORMAT = "user://save_slot_%d.save"

signal load_completed

## 指定されたスロットの存在確認を行い、再起動の準備をする
func load_game(slot_no: int) -> bool:
	var path = SAVE_PATH_FORMAT % slot_no
	if not FileAccess.file_exists(path):
		print("[LoadManager] 失敗: スロット ", slot_no, " にファイルが存在しません。")
		return false
		
	print("[LoadManager] スロットNo.", slot_no, " のロードを開始します。シーンをリロードします。")
	
	var main_scene_path = ProjectSettings.get_setting("application/run/main_scene")
	if main_scene_path and ResourceLoader.exists(main_scene_path):
		get_tree().change_scene_to_file(main_scene_path)
	else:
		get_tree().reload_current_scene()
		
	_wait_and_execute_load(slot_no)
	return true

func _wait_and_execute_load(slot_no: int) -> void:
	await get_tree().process_frame
	await get_tree().physics_frame
	
	_execute_actual_load(slot_no)

## 内部的なファイル読み込みと実データ復元ロジック
func _execute_actual_load(slot_no: int) -> void:
	var path = SAVE_PATH_FORMAT % slot_no
	var file = FileAccess.open(path, FileAccess.READ)
	if file == null:
		print("[LoadManager] 実ロード失敗: ファイルが開けません。")
		return
		
	var json_string = file.get_line()
	file.close()
	
	var json = JSON.new()
	if json.parse(json_string) != OK:
		print("[LoadManager] 実ロード失敗: JSONパースエラー。")
		return
		
	var save_data = json.get_data()
	
	# ==========================================================================
	# 1. ギルド名簿の完全総入れ替え
	# ==========================================================================
	var new_registered_members: Array[CharaData] = []
	var guild_members_data = save_data.get("guild_members", [])
	
	for member_data in guild_members_data:
		if member_data != null:
			new_registered_members.append(CharaData.deserialize(member_data))
			
	GuildManager.registered_members = new_registered_members

	# ==========================================================================
	# 2. パーティ配置の復元
	# ==========================================================================
	var party_slot_indices = save_data.get("party_slot_indices", [])
	
	for i in range(PartyManager.slots.size()):
		if i < party_slot_indices.size():
			var member_idx = party_slot_indices[i]
			if member_idx >= 0 and member_idx < GuildManager.registered_members.size():
				PartyManager.slots[i] = GuildManager.registered_members[member_idx]
			else:
				PartyManager.slots[i] = null
		else:
			PartyManager.slots[i] = null

	# ==========================================================================
	# 3. 既存の MenuWindow のシグナル設計を利用した設定の復元
	# ==========================================================================
	var menu_window = get_tree().root.find_child("MenuWindow", true, false)
	if menu_window:
		var lang_idx = save_data.get("config_language_index", 0)
		var res_idx = save_data.get("config_resolution_index", 0)
		
		# UIの選択状態をセーブ時のインデックスに合わせる
		if menu_window.language_button:
			menu_window.language_button.select(lang_idx)
		if menu_window.resolution_button:
			menu_window.resolution_button.select(res_idx)
			
		# MenuWindow が定義しているシグナルをそのままエミットし、
		# メインノード側に本来の言語変更・解像度変更の処理を要求する
		menu_window.language_change_requested.emit(lang_idx)
		menu_window.resolution_change_requested.emit(res_idx)
		
		# メニュー内のテキスト表記を最新言語に更新させる
		if menu_window.has_method("update_all_strings"):
			menu_window.update_all_strings()
			
		print("[LoadManager] MenuWindow の既存シグナルを介して設定を正常に復元しました。")
			
	print("[LoadManager] ロード完了。すべてのデータを復元しました。")
	load_completed.emit()

class_name MenuWindow
extends Control

signal menu_opened
signal menu_closed

# メインノードに設定変更をお願いするためのシグナル
signal language_change_requested(index: int)
signal resolution_change_requested(index: int)

# --- 右側メニューボタン参照 ---
@onready var items_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Items
@onready var spells_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Spells
@onready var skills_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Skills
@onready var equipment_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Equipment
@onready var formation_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Formation
@onready var status_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Status
@onready var tactics_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Tactics
@onready var config_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Config
@onready var save_button: Button = $MainMenuLayout/MainHBox/RMainMenuLayout/MenuList/ButtonList/Save

# --- 左側基本UI参照 ---
@onready var menu_message_label: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/MessageContainer/MenuMessageLabel
@onready var gold_label: Label = $MainMenuLayout/MainHBox/RMainMenuLayout/GoldWindow/GoldHBox/GoldLabel
@onready var party_layout: VBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout
@onready var l_main_menu_layout: Control = $MainMenuLayout/MainHBox/LMainMenuLayout
@onready var r_main_menu_layout: Control = $MainMenuLayout/MainHBox/RMainMenuLayout
@onready var front_row_party_member: HBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/FrontRowPartyMember
@onready var back_row_party_member: HBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/BackRowPartyMember

# --- 設定（Config）画面用UI参照 ---
@onready var main_menu_layout: Control = $MainMenuLayout
@onready var config_layout: VBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout
@onready var language_button: OptionButton = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/LanguageHBox/LanguageButton
@onready var resolution_button: OptionButton = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/ResolutionHBox/ResolutionButton
@onready var load_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/LoadButtonHBox/LoadButton # 【新設】
@onready var config_back_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/ConfigBackButton

# 設定画面内のテキストラベル参照
@onready var language_label: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/LanguageHBox/LanguageLabel
@onready var resolution_label: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/ConfigLayout/ResolutionHBox/ResolutionLabel

# --- パーティメンバーUI（1〜6）へのルート参照 ---
@onready var member_nodes: Array = [
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/FrontRowPartyMember/PartyMember1,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/FrontRowPartyMember/PartyMember2,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/FrontRowPartyMember/PartyMember3,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/BackRowPartyMember/PartyMember4,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/BackRowPartyMember/PartyMember5,
	$MainMenuLayout/MainHBox/LMainMenuLayout/PartyLayout/BackRowPartyMember/PartyMember6
]

# --- セーブ画面用UI参照 ---
@onready var save_layout: VBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout
@onready var next_slot_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveBottomHBox/NextSlotButton
@onready var save_back_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveBottomHBox/SaveBackButton
@onready var save_lavel: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveSlotContainer/SaveLabel

# セーブスロット（3つ分）のボタン参照配列
@onready var slot_buttons: Array = [
	$MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveSlotContainer/SlotRow1/SaveSlot1,
	$MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveSlotContainer/SlotRow2/SaveSlot1,
	$MainMenuLayout/MainHBox/LMainMenuLayout/SaveLayout/SaveSlotContainer/SlotRow3/SaveSlot1
]

# --- ロード画面用UI参照 ---
@onready var load_layout: VBoxContainer = $MainMenuLayout/MainHBox/LMainMenuLayout/LoadLayout
@onready var load_next_slot_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/LoadLayout/LoadBottomHBox/LoadNextSlotButton
@onready var load_back_button: Button = $MainMenuLayout/MainHBox/LMainMenuLayout/LoadLayout/LoadBottomHBox/LoadBackButton
@onready var load_label: Label = $MainMenuLayout/MainHBox/LMainMenuLayout/LoadLayout/LoadSlotContainer/LoadLabel

# ロードスロット（3つ分）のボタン参照配列
@onready var load_slot_buttons: Array = [
	$MainMenuLayout/MainHBox/LMainMenuLayout/LoadLayout/LoadSlotContainer/LoadSlotRow1/LoadSlot1,
	$MainMenuLayout/MainHBox/LMainMenuLayout/LoadLayout/LoadSlotContainer/LoadSlotRow2/LoadSlot1,
	$MainMenuLayout/MainHBox/LMainMenuLayout/LoadLayout/LoadSlotContainer/LoadSlotRow3/LoadSlot1
]

# ダイアログ類（ポップアップ）の参照
@onready var save_confirm_dialog: ConfirmationDialog = $SaveConfirmDialog
@onready var save_alert_dialog: AcceptDialog = $SaveAlertDialog
@onready var load_confirm_dialog: ConfirmationDialog = $LoadConfirmDialog # 【新設】
@onready var load_alert_dialog: AcceptDialog = $LoadAlertDialog         # 【新設】

# --- 状態管理変数 ---
var _current_page_index: int = 0 # 0=1-3, 1=4-6, 2=7-9 (セーブ用)
var _load_current_page_index: int = 0 # 0=1-3, 1=4-6, 2=7-9 (ロード用) 【新設】
var _selected_slot_no: int = 1
var _selected_load_slot_no: int = 1 # 【新設】
var _last_town_focus_owner: Control = null
var _load_success_flag: bool = false # ロード成功後に再起動を呼ぶためのフラグ 【新設】

func _ready() -> void:
	hide()
	if config_layout: config_layout.hide()
	if save_layout: save_layout.hide()
	if load_layout: load_layout.hide()
	
	# 【追加】LoadManager が実ロードを完了したら、即座にUI表示を最新化する
	LoadManager.load_completed.connect(func():
		_update_party_display()
		# ついでにロード画面を閉じて、メインメニューに戻してあげる
		_hide_all_sub_layouts()
		if party_layout: party_layout.show()
	)
	
	# 通常メニューボタンのシグナル接続
	if items_button: items_button.pressed.connect(func(): _on_menu_button_pressed("ITEMS"))
	if spells_button: spells_button.pressed.connect(func(): _on_menu_button_pressed("SPELLS"))
	if skills_button: skills_button.pressed.connect(func(): _on_menu_button_pressed("SKILLS"))
	if equipment_button: equipment_button.pressed.connect(func(): _on_menu_button_pressed("EQUIPMENT"))
	if formation_button: formation_button.pressed.connect(func(): _on_menu_button_pressed("FORMATION"))
	if status_button: status_button.pressed.connect(func(): _on_menu_button_pressed("STATUS"))
	if tactics_button: tactics_button.pressed.connect(func(): _on_menu_button_pressed("TACTICS"))
	if config_button: config_button.pressed.connect(func(): _on_menu_button_pressed("CONFIG"))
	if save_button: save_button.pressed.connect(func(): _on_menu_button_pressed("SAVE"))

	# メニューのフォーカスイベント接続
	if items_button: items_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_ITEMS_EXPLANATION"))
	if spells_button: spells_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_SPELLS_EXPLANATION"))
	if skills_button: skills_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_SKILLS_EXPLANATION"))
	if equipment_button: equipment_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_EQUIPMENT_EXPLANATION"))
	if formation_button: formation_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_FORMATION_EXPLANATION"))
	if status_button: status_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_STATUS_EXPLANATION"))
	if tactics_button: tactics_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_TACTICS_EXPLANATION"))
	if config_button: config_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_CONFIG_EXPLANATION"))
	if save_button: save_button.focus_entered.connect(func(): _update_explanation("MAIN_MENU_SAVE_EXPLANATION"))
	
	_setup_config_ui()
	_setup_save_ui()
	_setup_load_ui() # 【新設】
	setup_party_layout_sizes()

func _input(event: InputEvent) -> void:
	if not visible:
		if event.is_action_pressed("ui_select"):
			get_viewport().set_input_as_handled()
			open_menu()
		return
	
	if event.is_action_pressed("ui_cancel"):
		get_viewport().set_input_as_handled()
		if load_layout and load_layout.visible: # 【新設：ロード画面から設定画面へ戻る】
			_close_load_screen()
		elif config_layout and config_layout.visible:
			_close_config_screen()
		elif save_layout and save_layout.visible:
			_close_save_screen()
		else:
			close_menu()

func open_menu() -> void:
	update_all_strings() 
	_update_party_display()
	
	_hide_all_sub_layouts()
	if party_layout: party_layout.show()

	_last_town_focus_owner = get_viewport().gui_get_focus_owner()
	if _last_town_focus_owner:
		_last_town_focus_owner.release_focus()
	
	show()
	
	await get_tree().process_frame
	if items_button:
		items_button.grab_focus()
		
	menu_opened.emit()

func _open_config_screen() -> void:
	if not config_layout: return
	_hide_all_sub_layouts()
	config_layout.show()
	await get_tree().process_frame
	language_button.grab_focus()

func _close_config_screen() -> void:
	if not config_layout: return
	_hide_all_sub_layouts()
	if party_layout: party_layout.show()
	await get_tree().process_frame
	if config_button: config_button.grab_focus()

func _close_save_screen() -> void:
	if not save_layout: return
	_hide_all_sub_layouts()
	if party_layout: party_layout.show()
	await get_tree().process_frame
	if save_button:
		save_button.grab_focus()

func _back_to_main_menu_after_save() -> void:
	_close_save_screen()

# --- 【新設】ロード画面用コントロールメソッド ---
func _open_load_screen() -> void:
	if not load_layout: return
	_hide_all_sub_layouts()
	load_layout.show()
	
	_load_current_page_index = 0
	_update_explanation("MENU_LOAD_MESSAGE_EXPLANATION") # 「ロードするデータを選択してください」
	_render_load_slots()
	
	await get_tree().process_frame
	if load_slot_buttons[0]:
		load_slot_buttons[0].grab_focus()

func _close_load_screen() -> void:
	if not load_layout: return
	_hide_all_sub_layouts()
	if config_layout: config_layout.show() # 設定画面に戻る仕様
	await get_tree().process_frame
	if load_button: load_button.grab_focus()

func close_menu() -> void:
	hide()
	if _last_town_focus_owner and is_instance_valid(_last_town_focus_owner) and _last_town_focus_owner.is_inside_tree():
		_last_town_focus_owner.grab_focus()
	_last_town_focus_owner = null
	menu_closed.emit()

## メインメニューおよび現在の説明文を最新の言語に再翻訳するパブリック関数
func update_all_strings() -> void:
	if items_button: items_button.text = tr("MAIN_MENU_ITEMS")
	if spells_button: spells_button.text = tr("MAIN_MENU_SPELLS")
	if skills_button: skills_button.text = tr("MAIN_MENU_SKILLS")
	if equipment_button: equipment_button.text = tr("MAIN_MENU_EQUIPMENT")
	if formation_button: formation_button.text = tr("MAIN_MENU_FORMATION")
	if status_button: status_button.text = tr("MAIN_MENU_STATUS")
	if tactics_button: tactics_button.text = tr("MAIN_MENU_TACTICS")
	if config_button: config_button.text = tr("MAIN_MENU_CONFIG")
	if save_button: save_button.text = tr("MAIN_MENU_SAVE")
	if gold_label: gold_label.text = tr("MAIN_MENU_GOLD")
	
	if language_label: language_label.text = tr("MENU_SETTINGS_LANGUAGE_LABEL")
	if resolution_label: resolution_label.text = tr("MENU_SETTINGS_RESOLUTION_LABEL")
	if load_button: load_button.text = tr("MENU_SETTINGS_LOADBUTTON_LABEL") # 【新設：ゲームデータのロード】
	if config_back_button: config_back_button.text = tr("MENU_SETTINGS_BACKBUTTON_LABEL")
	
	# セーブ画面のテキスト
	if next_slot_button: next_slot_button.text = tr("MENU_SAVE_NEXT_PAGE")
	if save_back_button: save_back_button.text = tr("MENU_SAVE_BACK")
	if save_lavel: save_lavel.text = tr("MAIN_MENU_SAVE")
	
	# ロード画面のテキスト 【新設】
	if load_next_slot_button: load_next_slot_button.text = tr("MENU_SAVE_NEXT_PAGE") # 「次のスロットを見る」を共通流用
	if load_back_button: load_back_button.text = tr("MENU_SETTINGS_BACKBUTTON_LABEL") # 「戻る」を流用
	if load_label: load_label.text = tr("MENU_LOAD") # 「ロード」タイトル
	
	# ダイアログのウィンドウタイトルのローカライズ
	if save_confirm_dialog:
		save_confirm_dialog.title = tr("MENU_SAVE_CONFIRM_DIALOG_TITLE")
	if save_alert_dialog:
		save_alert_dialog.title = tr("MENU_SAVE_ALERT_DIALOG_TITLE")
	if load_confirm_dialog: # 【新設】
		load_confirm_dialog.title = tr("MENU_LOAD_CONFIRM_DIALOG_TITLE")
	if load_alert_dialog: # 【新設】
		load_alert_dialog.title = tr("MENU_LOAD_ALERT_DIALOG_TITLE")
	
	if config_layout and config_layout.visible:
		_update_explanation("MAIN_MENU_CONFIG_EXPLANATION")
	elif save_layout and save_layout.visible:
		_update_explanation("MENU_SAVE_MESSAGE_EXPLANATION")
	elif load_layout and load_layout.visible: # 【新設】
		_update_explanation("MENU_LOAD_MESSAGE_EXPLANATION")
	elif config_button and config_button.has_focus():
		_update_explanation("MAIN_MENU_CONFIG_EXPLANATION")
		
	_update_party_display()
	
	# セーブ画面・ロード画面表示中ならスロット上のテキストも再翻訳して更新
	if save_layout and save_layout.visible:
		_render_save_slots()
	elif load_layout and load_layout.visible: # 【新設】
		_render_load_slots()

func _on_menu_button_pressed(button_id: String) -> void:
	_hide_all_sub_layouts()
	
	match button_id:
		"CONFIG":
			_open_config_screen()
		"SAVE":
			_open_save_screen()
		"ITEMS", "SPELLS", "SKILLS", "EQUIPMENT", "FORMATION", "STATUS", "TACTICS":
			if party_layout: party_layout.show()
			print("[MenuWindow] 選択されたメニュー: ", button_id)
		
func _hide_all_sub_layouts() -> void:
	if party_layout: party_layout.hide()
	if config_layout: config_layout.hide()
	if save_layout: save_layout.hide()
	if load_layout: load_layout.hide() # 【新設】

func _update_explanation(loc_id: String) -> void:
	if menu_message_label:
		menu_message_label.text = tr(loc_id)

# ==============================================================================
# メニュー画面全体のフルサイズ固定（全画面化）
# ==============================================================================
func set_menu_full_size() -> void:
	if not main_menu_layout: return
	self.custom_minimum_size = Vector2.ZERO
	main_menu_layout.custom_minimum_size = Vector2.ZERO
	
	var target_screen_size := Vector2(1280, 720)
	self.set_anchors_preset(Control.PRESET_TOP_LEFT)
	self.position = Vector2.ZERO
	main_menu_layout.set_anchors_preset(Control.PRESET_TOP_LEFT)
	main_menu_layout.position = Vector2.ZERO
	self.size = target_screen_size
	main_menu_layout.size = target_screen_size
	self.custom_minimum_size = target_screen_size
	main_menu_layout.custom_minimum_size = target_screen_size

# ==============================================================================
# 設定画面（Config）のコントロールロジック
# ==============================================================================
func _setup_config_ui() -> void:
	if not language_button or not resolution_button or not config_back_button: return
	language_button.clear()
	language_button.add_item("English", 0)
	language_button.add_item("日本語", 1)
	language_button.select(0)
	language_button.item_selected.connect(func(id): language_change_requested.emit(id))
	
	resolution_button.clear()
	resolution_button.add_item("1280x720", 0)
	resolution_button.add_item("1920x1080", 1)
	resolution_button.select(0)
	resolution_button.item_selected.connect(func(id): resolution_change_requested.emit(id))
	
	# ロード画面へ遷移するボタンの接続 【新設】
	if load_button:
		load_button.pressed.connect(_open_load_screen)
		
	config_back_button.pressed.connect(_close_config_screen)

# ==============================================================================
# セーブ画面（Save）のコントロールロジック
# ==============================================================================
func _setup_save_ui() -> void:
	if not next_slot_button or not save_back_button: return
	
	next_slot_button.pressed.connect(_on_next_slot_pressed)
	save_back_button.pressed.connect(_close_save_screen)
	
	for i in range(3):
		var btn = slot_buttons[i]
		if btn:
			btn.pressed.connect(func(): _on_slot_selected(i))
			
	if save_confirm_dialog:
		save_confirm_dialog.confirmed.connect(_execute_save)
		save_confirm_dialog.canceled.connect(func(): slot_buttons[0].grab_focus())
		
	if save_alert_dialog:
		save_alert_dialog.confirmed.connect(_back_to_main_menu_after_save)

func _open_save_screen() -> void:
	if not save_layout or not party_layout: return
	party_layout.hide()
	if config_layout: config_layout.hide()
	save_layout.show()
	
	_current_page_index = 0
	_update_explanation("MENU_SAVE_MESSAGE_EXPLANATION")
	_render_save_slots()
	
	await get_tree().process_frame
	if slot_buttons[0]:
		slot_buttons[0].grab_focus()

func _render_save_slots() -> void:
	var start_slot = (_current_page_index * 3) + 1
	_render_generic_slots(start_slot, slot_buttons)

func _on_next_slot_pressed() -> void:
	_current_page_index = (_current_page_index + 1) % 3
	_render_save_slots()
	await get_tree().process_frame
	if slot_buttons[0]:
		slot_buttons[0].grab_focus()

func _on_slot_selected(local_index: int) -> void:
	_selected_slot_no = (_current_page_index * 3) + 1 + local_index
	var header = SaveManager.get_slot_header(_selected_slot_no)
	
	if not save_confirm_dialog: return
	
	if not header["exists"]:
		save_confirm_dialog.dialog_text = tr("MENU_SAVE_CONFIRM_DIALOG_NEW_DATA") % _selected_slot_no
	else:
		save_confirm_dialog.dialog_text = tr("MENU_SAVE_CONFIRM_DIALOG_OVERWRITE") % _selected_slot_no
		
	save_confirm_dialog.popup_centered()
	var cancel_btn = save_confirm_dialog.get_cancel_button()
	if cancel_btn:
		cancel_btn.grab_focus()

func _execute_save() -> void:
	var success = SaveManager.save_game(_selected_slot_no)
	if not save_alert_dialog: return
	if success:
		save_alert_dialog.dialog_text = tr("MENU_SAVE_ALERT_DIALOG_SUCCESS") % _selected_slot_no
	else:
		save_alert_dialog.dialog_text = tr("MENU_SAVE_ALERT_DIALOG_FAILURE") % _selected_slot_no
	save_alert_dialog.popup_centered()

# ==============================================================================
# 【新設】ロード画面（Load）のコントロールロジック
# ==============================================================================
func _setup_load_ui() -> void:
	if not load_next_slot_button or not load_back_button: return
	
	load_next_slot_button.pressed.connect(_on_load_next_slot_pressed)
	load_back_button.pressed.connect(_close_load_screen)
	
	for i in range(3):
		var btn = load_slot_buttons[i]
		if btn:
			btn.pressed.connect(func(): _on_load_slot_selected(i))
			
	if load_confirm_dialog:
		load_confirm_dialog.confirmed.connect(_execute_load)
		load_confirm_dialog.canceled.connect(func(): load_slot_buttons[0].grab_focus()) # キャンセル時はスロットにフォーカス
		
	if load_alert_dialog:
		load_alert_dialog.confirmed.connect(_on_load_alert_confirmed)

func _render_load_slots() -> void:
	var start_slot = (_load_current_page_index * 3) + 1
	_render_generic_slots(start_slot, load_slot_buttons)

func _on_load_next_slot_pressed() -> void:
	_load_current_page_index = (_load_current_page_index + 1) % 3
	_render_load_slots()
	await get_tree().process_frame
	if load_slot_buttons[0]:
		load_slot_buttons[0].grab_focus()

func _on_load_slot_selected(local_index: int) -> void:
	_selected_load_slot_no = (_load_current_page_index * 3) + 1 + local_index
	
	if not load_confirm_dialog: return
	
	# 仕様：「データNo.%dをロードしますか？」の確認文を表示
	load_confirm_dialog.dialog_text = tr("MENU_LOAD_CONFIRM_DIALOG_QUESTION") % _selected_load_slot_no
	load_confirm_dialog.popup_centered()
	
	# 仕様：デフォルトフォーカスを「いいえ (Cancel)」にする
	var cancel_btn = load_confirm_dialog.get_cancel_button()
	if cancel_btn:
		cancel_btn.grab_focus()

func _execute_load() -> void:
	# ロード処理を実行（この中で change_scene が走る）
	_load_success_flag = LoadManager.load_game(_selected_load_slot_no)
	
	if _load_success_flag:
		# 【修正】ロード成功時はシーンが切り替わるため、この瞬間にダイアログを出してはいけない。
		# 何もせず、LoadManager 側のシーン切り替え待機に処理を委ねる。
		print("[MenuWindow] ロード成功。シーン切り替えを待機します。")
	else:
		# ロード失敗時のみ、シーンは切り替わらないので安全にエラーダイアログを出せる
		if load_alert_dialog:
			load_alert_dialog.dialog_text = tr("MENU_LOAD_ALERT_DIALOG_FAILURE") % _selected_load_slot_no
			load_alert_dialog.popup_centered()

func _on_load_alert_confirmed() -> void:
	# 成功時はここを通らなくなったため、ここは「失敗してアラートを閉じたとき」の処理のみにする
	await get_tree().process_frame
	if load_slot_buttons[0]:
		load_slot_buttons[0].grab_focus()

# ==============================================================================
# セーブ／ロード共通のスロットレンダリング共通関数
# ==============================================================================
func _render_generic_slots(start_slot: int, target_buttons: Array) -> void:
	for i in range(3):
		var slot_no = start_slot + i
		var btn: Button = target_buttons[i]
		if not btn: continue
		
		var header = SaveManager.get_slot_header(slot_no)
		var parent_node = btn.get_parent()
		var lbl_no: Label = null
		if parent_node:
			# セーブとロードでノード名が異なるため部分一致検索
			lbl_no = parent_node.find_child("*SlotNoLabel", true, false)
		
		var rect_face: TextureRect = btn.find_child("SlotAppearance", true, false)
		var lbl_time: Label = btn.find_child("SlotPlayTimeLabel", true, false)
		var lbl_name: Label = btn.find_child("SlotNameLabel", true, false)
		var lbl_lv: Label = btn.find_child("SlotLvLabel", true, false)
		var lbl_class: Label = btn.find_child("SlotClassLabel", true, false)
		
		if lbl_no: lbl_no.text = "No.%d" % slot_no
		
		if not header["exists"]:
			if lbl_time: lbl_time.text = "--:--:--"
			if lbl_name: lbl_name.text = tr("MENU_SAVE_SLOT_EMPTY")
			if lbl_lv: lbl_lv.text = ""
			if lbl_class: lbl_class.text = ""
			if rect_face: rect_face.texture = null
		else:
			if lbl_time: lbl_time.text = header.get("play_time", "00:00:00")
			var party_data = header.get("party", [])
			if party_data.size() > 0:
				var chara = party_data[0]
				if lbl_name: lbl_name.text = chara["name"]
				if lbl_lv: lbl_lv.text = "Lv.%d" % chara["level"]
				if lbl_class: lbl_class.text = tr(chara["class"])
				
				if rect_face and chara["face_image_path"] and FileAccess.file_exists(chara["face_image_path"]):
					rect_face.texture = load(chara["face_image_path"])
				elif rect_face:
					rect_face.texture = null
			else:
				if lbl_name: lbl_name.text = tr("MENU_SAVE_SLOT_NO_PARTY")
				if lbl_lv: lbl_lv.text = ""
				if lbl_class: lbl_class.text = ""
				if rect_face: rect_face.texture = null

# ==============================================================================
# サイズ調整・パーティ表示・その他（修正・追加版）
# ==============================================================================
func set_config_layout_size(resolution_index: int) -> void:
	if not config_layout: return
	var target_config_size := Vector2(320, 180)
	match resolution_index:
		0: target_config_size = Vector2(320, 180)
		1: target_config_size = Vector2(480, 270)
	config_layout.custom_minimum_size = target_config_size
	config_layout.size = target_config_size

func set_main_layouts_size() -> void:
	if not l_main_menu_layout or not r_main_menu_layout: return
	var left_width := 1120.0
	var right_width := 128.0
	l_main_menu_layout.custom_minimum_size = Vector2(left_width, 0)
	l_main_menu_layout.size.x = left_width
	r_main_menu_layout.custom_minimum_size = Vector2(right_width, 0)
	r_main_menu_layout.size.x = right_width

func _update_party_display() -> void:
	for i in range(6):
		var member_panel = member_nodes[i]
		if not member_panel: continue
		member_panel.show()
		var data = PartyManager.slots[i]
		var label_name: Label = member_panel.find_child("Name", true, false)
		var label_lv: Label = member_panel.find_child("Lv", true, false)
		var rect_appearance: TextureRect = member_panel.find_child("Appearance", true, false)
		var label_class: Label = member_panel.find_child("Class", true, false)
		var label_hp: Label = member_panel.find_child("HPLabel", true, false)
		var bar_hp: ProgressBar = member_panel.find_child("HPBar", true, false)
		var label_mp: Label = member_panel.find_child("MPLabel", true, false)
		var bar_mp: ProgressBar = member_panel.find_child("MPBar", true, false)

		if data == null:
			if label_name: label_name.text = ""
			if label_lv: label_lv.text = ""
			if label_class: label_class.text = ""
			if label_hp: label_hp.text = ""
			if label_mp: label_mp.text = ""
			if rect_appearance: rect_appearance.texture = null
			if bar_hp: bar_hp.hide()
			if bar_mp: bar_mp.hide()
		else:
			if bar_hp: bar_hp.show()
			if bar_mp: bar_mp.show()
			if label_name: label_name.text = data.chara_name
			if label_lv: label_lv.text = "Lv%d" % data.level
			if label_class: label_class.text = data.get_display_class()
			if label_hp: label_hp.text = "HP %d/%d" % [data.current_hp, data.max_hp]
			if label_mp: label_mp.text = "MP %d/%d" % [data.current_mp, data.max_mp]
			if rect_appearance:
				if data.face_image_path and FileAccess.file_exists(data.face_image_path):
					rect_appearance.texture = load(data.face_image_path)
				else:
					rect_appearance.texture = null
				rect_appearance.custom_minimum_size = Vector2(160, 160)
				rect_appearance.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
			if bar_hp:
				bar_hp.min_value = 0
				bar_hp.max_value = data.max_hp
				bar_hp.value = data.current_hp
			if bar_mp:
				bar_mp.min_value = 0
				bar_mp.max_value = data.max_mp
				bar_mp.value = data.current_mp

func setup_party_layout_sizes() -> void:
	if party_layout and front_row_party_member and back_row_party_member:
		party_layout.custom_minimum_size = Vector2(960, 0)
		party_layout.size.x = 960
		front_row_party_member.custom_minimum_size = Vector2(960, 0)
		back_row_party_member.custom_minimum_size = Vector2(960, 0)
		
		for member_panel in member_nodes:
			if not member_panel: continue
			member_panel.custom_minimum_size = Vector2(320, 240)
			member_panel.size = Vector2(320, 240)
			var member_hbox = member_panel.get_node_or_null("MemberHBox1")
			if not member_hbox: member_hbox = member_panel.find_child("MemberHBox*", true, false)
			if member_hbox:
				var l_part = member_hbox.get_node_or_null("LPartyMember1")
				if not l_part: l_part = member_hbox.find_child("LPartyMember*", true, false)
				if l_part:
					l_part.custom_minimum_size = Vector2(160, 0)
					l_part.size.x = 160
				var r_part = member_hbox.get_node_or_null("RPartyMember1")
				if not r_part: r_part = member_hbox.find_child("RPartyMember*", true, false)
				if r_part:
					r_part.custom_minimum_size = Vector2(160, 0)
					r_part.size.x = 160
	
	# セーブレイアウト側の固定
	if save_layout:
		_apply_layout_fixing_sizes(save_layout, slot_buttons)
		
	# ロードレイアウト側の固定
	if load_layout:
		_apply_layout_fixing_sizes(load_layout, load_slot_buttons)

## 前回のレイアウト崩れ・名前の長さによるズレ防止を共通適用するプライベート関数
func _apply_layout_fixing_sizes(target_layout: Control, target_buttons: Array) -> void:
	target_layout.custom_minimum_size = Vector2(420, 0)
	target_layout.size.x = 420
	
	for btn in target_buttons:
		if btn is Button:
			var current_height = btn.size.y if btn.size.y > 0 else 120.0
			btn.custom_minimum_size = Vector2(420, current_height)
			btn.size = Vector2(420, current_height)
			
			var slot_left = btn.find_child("SlotLeft", true, false)
			if slot_left and slot_left is Control:
				slot_left.custom_minimum_size = Vector2(160, 0)
				slot_left.size.x = 160
			
			var slot_right = btn.find_child("SlotRight", true, false)
			if slot_right and slot_right is Control:
				slot_right.custom_minimum_size = Vector2(260, 0)
				slot_right.size.x = 260
				
	print("[MenuWindow] レイアウトの横幅を固定長にロックしました: ", target_layout.name)