feat: complete mobile UI implementation

project/app_flow.gd

@@ -6,7 +6,8 @@
 #   af.start(assets_root)          # assets_root 传给 game_scene
 #
 # 状态机：LOGIN → SELECT → GAME。M2Client 信号驱动切屏。
-# 断线：任何阶段都回到登录阶段，和 ClientVS22 的 SetLoginPhase 一致。
+# 断线：登录/选人阶段回到登录；游戏阶段保留 GameScene，显示重连遮罩，
+#       重连成功后自动重新进入上次角色，避免短暂闪回选人界面。
 extends Node
 
 const ServerInfoRes = preload("res://net/serverinfo.gd")
@@ -15,6 +16,8 @@ const LoadingScreen = preload("res://ui/loading_screen.gd")
 const CharSelectScreen = preload("res://ui/char_select_screen.gd")
 const GameScene = preload("res://game_scene.gd")
 const AppLifecycle = preload("res://app_lifecycle.gd")
+const ReconnectUI = preload("res://ui/reconnect_ui.gd")
+const UiProfile = preload("res://ui/ui_profile.gd")
 
 enum { LOGIN, SELECT, GAME }
 
@@ -26,12 +29,15 @@ var _ui: CanvasLayer            # 登录 / 选人的临时界面层
 var _loading: CanvasLayer
 var _game: Node
 var _lifecycle: Node            # 全流程唯一生命周期协调者
+var _reconnect: Node
 var build_game_scene := true    # 测试里置 false，只跑状态机不建重场景
 var _sel_server := 0
 var _sel_channel := 1
 var _id := OS.get_environment("MT_ACCOUNT")
 var _pw := OS.get_environment("MT_PASSWORD")
 var _chars: Array = []
+var _selected_char_slot := -1
+var _reconnecting_game := false
 var _mark_redl_after := 0   # guild-mark re-download cooldown (ticks_msec)
 # MT_AUTOLOGIN=1：进 LOGIN 自动连接，收到角色列表自动选第一个（冒烟 / CI 用）。
 var auto_login := OS.get_environment("MT_AUTOLOGIN") == "1" and not _id.is_empty() and not _pw.is_empty()
@@ -60,6 +66,11 @@ func start(assets_root: String = "", injected_client: Node = null) -> void:
 	_lifecycle.name = "AppLifecycle"
 	add_child(_lifecycle)
 	_lifecycle.bind(client)
+	_reconnect = ReconnectUI.new()
+	_reconnect.name = "ReconnectUI"
+	add_child(_reconnect)
+	_reconnect.setup(client)
+	_reconnect.set_mobile_mode(UiProfile.resolve() == UiProfile.Mode.MOBILE)
 	_goto_login()
 	if auto_login:
 		call_deferred("_do_connect")
@@ -80,6 +91,16 @@ func _wire_client() -> void:
 
 func _on_char_list(list: Array) -> void:
 	_chars = list
+	if _reconnecting_game:
+		# A full reconnect replays the character list before it can enter the
+		# previous character. Do not briefly replace the live game with SELECT;
+		# re-enter the remembered slot and keep the reconnect mask on screen.
+		var slot := _selected_char_slot
+		if slot < 0 and not _chars.is_empty():
+			slot = int(_chars[0].get("index", 0))
+		if slot >= 0:
+			_enter_character(slot)
+		return
 	# 已在选人页（建号 / 删号后 M2Client 会重发 char_list）——只刷数据，别整屏重建
 	if _state == SELECT and _ui:
 		var sc: Node = _ui.get_node_or_null("CharSelect")
@@ -100,6 +121,9 @@ func _on_char_name_changed(pid: int, name: String) -> void:
 		sc.on_char_name_changed(pid, name)
 
 func _on_entered_game() -> void:
+	_reconnecting_game = false
+	if _reconnect and _reconnect.has_method("dismiss"):
+		_reconnect.dismiss()
 	_goto_game()
 	_start_guild_mark_download()
 
@@ -125,12 +149,24 @@ func _on_guild_mark_updated(_guild_id: int, _img_idx: int) -> void:
 	_start_guild_mark_download()
 
 func _on_login_failed(reason: String) -> void:
+	if _reconnecting_game:
+		if _reconnect and _reconnect.has_method("set_error"):
+			_reconnect.set_error(reason)
+		return
 	if _state != GAME:
 		_goto_login()
 		_set_status("登录失败：%s" % reason)
 
 func _on_disconnected(reason: String) -> void:
+	if _state == GAME and _game != null and is_instance_valid(_game):
+		_reconnecting_game = true
+		if _reconnect and _reconnect.has_method("set_error"):
+			_reconnect.set_error(reason)
+		return
+	_reconnecting_game = false
 	_goto_login()
+	if _reconnect and _reconnect.has_method("dismiss"):
+		_reconnect.dismiss()
 	_set_status("连接断开：%s" % reason)
 
 # --- 切屏 ------------------------------------------------------------------
@@ -142,6 +178,7 @@ func _clear_ui() -> void:
 
 func _goto_login() -> void:
 	_state = LOGIN
+	_reconnecting_game = false
 	if _lifecycle:
 		# GameScene 即将释放，不能让生命周期协调者保留悬空 Audio 引用。
 		_lifecycle.bind(client)
@@ -334,10 +371,7 @@ func _build_char_list() -> void:
 	_ui.add_child(screen)
 	screen.setup(client, _assets, _chars)
 	screen.select_requested.connect(func(idx: int):
-		if client.has_method("enter_game"):
-			client.enter_game(idx)
-		elif client.has_method("select_character"):
-			client.select_character(idx))
+		_enter_character(idx))
 	screen.back_requested.connect(func():
 		if client.has_method("disconnect_from_server"):
 			client.disconnect_from_server()
@@ -376,3 +410,10 @@ func _on_marks_ready_for_select() -> void:
 	var sc: Node = _ui.get_node_or_null("CharSelect") if _ui else null
 	if sc and sc.has_method("refresh_crest"):
 		sc.refresh_crest()
+
+func _enter_character(idx: int) -> void:
+	_selected_char_slot = idx
+	if client.has_method("enter_game"):
+		client.enter_game(idx)
+	elif client.has_method("select_character"):
+		client.select_character(idx)