新增保存设置

Scripts/全局.gd

@@ -0,0 +1,60 @@
+extends Node
+
+
+const CONFIG_PATH = "user://settings.cfg"
+
+
+func _ready():
+	读取设置()
+
+
+func 切换语言(index):
+	if index == 0:
+		TranslationServer.set_locale("zh")
+	elif index == 1:
+		TranslationServer.set_locale("zht")
+	elif index == 2:
+		TranslationServer.set_locale("en")
+	elif index == 3:
+		TranslationServer.set_locale("jp")
+	elif index == 4:
+		TranslationServer.set_locale("es")
+	else:
+		push_error("切换语言时，选项“%d”不存在！" % index)
+		TranslationServer.set_locale("en")
+	return index
+
+
+func 保存设置(index):
+	var file = ConfigFile.new()
+	file.set_value("General", "Language", index)
+	var error = file.save(CONFIG_PATH)
+	if error != OK:
+		push_error("Failed to save config: %d" % error)
+
+
+func 切换并保存(index):
+	保存设置(切换语言(index))
+
+
+func 读取设置():
+	var file = ConfigFile.new()
+	if FileAccess.file_exists(CONFIG_PATH):
+		var error = file.load(CONFIG_PATH)
+		if error == OK:
+			return 切换语言(file.get_value("General", "Language", 0))
+		else:
+			push_warning("Failed to load config: %d", error)
+			return 切换语言(0)
+	else:
+		var locale = OS.get_locale()
+		if locale == "zh_CN":
+			return 切换语言(0)
+		elif locale == "zh_TW":
+			return 切换语言(1)
+		elif locale == "en":
+			return 切换语言(2)
+		elif locale == "jp":
+			return 切换语言(3)
+		elif locale == "es":
+			return 切换语言(4)

Scripts/设置.gd

@@ -4,38 +4,19 @@ extends Control
 @onready var 语言 = $"面板/背景色/MarginContainer/色/内容按钮分隔/正文和标题分隔2/语言"
 
 
-func _ready():
-	var locale = OS.get_locale()
-	if locale == "zh_CN":
-		_on_语言_item_selected(0)
-	elif locale == "zh_TW":
-		_on_语言_item_selected(1)
-	elif locale == "en":
-		_on_语言_item_selected(2)
-	elif locale == "jp":
-		_on_语言_item_selected(3)
-	elif locale == "es":
-		_on_语言_item_selected(4)
-
-
 @warning_ignore("unused_parameter")
 func _unhandled_input(event) -> void:
 	if Input.is_action_pressed("归零") or Input.is_action_pressed("ui_menu") or Input.is_action_pressed("ui_home") or Input.is_action_pressed("ui_text_backspace") or Input.is_action_pressed("关于") or Input.is_action_pressed("ui_cancel"):
 		_on_返回_pressed()
 
 
+func _ready():
+	语言.selected = Global.读取设置()
+
+
 func _on_返回_pressed():
 	get_tree ().change_scene_to_file("res://主界面.tscn")
 
 
 func _on_语言_item_selected(index):
-	if index == 0:
-		TranslationServer.set_locale("zh")
-	elif index == 1:
-		TranslationServer.set_locale("zht")
-	elif index == 2:
-		TranslationServer.set_locale("en")
-	elif index == 3:
-		TranslationServer.set_locale("jp")
-	elif index == 4:
-		TranslationServer.set_locale("es")
+	Global.切换并保存(index)

project.godot

@@ -19,6 +19,10 @@ boot_splash/image="res://Assets/568_Calc.png"
 boot_splash/fullsize=false
 config/icon="res://Assets/icon.svg"
 
+[autoload]
+
+Global="*res://Scripts/全局.gd"
+
 [display]
 
 window/size/viewport_width=720

设置.tscn

@@ -75,7 +75,6 @@ text_overrun_behavior = 2
 
 [node name="语言" type="OptionButton" parent="面板/背景色/MarginContainer/色/内容按钮分隔/正文和标题分隔2"]
 layout_mode = 2
-theme_override_fonts/font = ExtResource("2_fcls7")
 theme_override_font_sizes/font_size = 48
 item_count = 5
 popup/item_0/text = "简体中文"