Adding language switcher to audio settings

src/logic-scenes/main menu/audio_settings.gd

@@ -20,6 +20,8 @@ var current_music_decay:float = 0
 @onready var sfx_slider: Range = %SoundSlider
 @onready var speech_slider: Range = %SpeechSlider
 @onready var sum_slider: Range = %SumSlider
+@onready var text_lang_selector: OptionButton = %InterfaceSelector
+@onready var speech_lang_selector: OptionButton = %SpeechSelector
 
 func _process(delta: float) -> void:
 	if current_music_decay > 0:
@@ -69,6 +71,8 @@ func update_ui_from_state():
 	sfx_slider.value = State.sfx_volume
 	speech_slider.value = State.speech_volume
 	sum_slider.value = State.main_volume
+	text_lang_selector.select(State.text_language)
+	speech_lang_selector.select(State.speech_language)
 	
 func _on_exit_button_pressed() -> void:
 	leave_stage.emit()

src/logic-scenes/main menu/audio_settings.tscn

@@ -63,14 +63,14 @@ pressed = true
 [sub_resource type="Shortcut" id="Shortcut_0peu0"]
 events = [SubResource("InputEventAction_gy6yb")]
 
-[node name="Audio Settings" type="VBoxContainer"]
+[node name="Audio and Language" type="VBoxContainer"]
 script = ExtResource("1_0lla1")
 metadata/_tab_index = 1
 
 [node name="Label" type="Label" parent="."]
 layout_mode = 2
 theme_type_variation = &"HeaderLarge"
-text = "Audio Settings"
+text = "Audio and Language"
 
 [node name="VBoxContainer" type="VBoxContainer" parent="."]
 layout_mode = 2
@@ -161,20 +161,48 @@ max_value = 1.0
 step = 0.05
 value = 0.5
 
-[node name="Audio Sliders" type="HBoxContainer" parent="VBoxContainer"]
+[node name="I18nLabel" type="Label" parent="."]
 layout_mode = 2
+theme_type_variation = &"HeaderMedium"
+text = "Language Settings"
 
-[node name="Labels" type="VBoxContainer" parent="VBoxContainer/Audio Sliders"]
+[node name="GridContainer" type="GridContainer" parent="."]
 layout_mode = 2
+columns = 2
 
-[node name="Sliders" type="VBoxContainer" parent="VBoxContainer/Audio Sliders"]
+[node name="Label2" type="Label" parent="GridContainer"]
 layout_mode = 2
+text = "Interface"
 
-[node name="Sounds" type="HBoxContainer" parent="VBoxContainer"]
+[node name="InterfaceSelector" type="OptionButton" parent="GridContainer"]
+unique_name_in_owner = true
 layout_mode = 2
+selected = 0
+item_count = 3
+popup/item_0/text = "use system language"
+popup/item_1/text = "English"
+popup/item_1/id = 1
+popup/item_2/text = "German"
+popup/item_2/id = 2
 
-[node name="Speech" type="HBoxContainer" parent="VBoxContainer"]
+[node name="Label3" type="Label" parent="GridContainer"]
 layout_mode = 2
+text = "Voice Lines"
+
+[node name="SpeechSelector" type="OptionButton" parent="GridContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+selected = 0
+item_count = 3
+popup/item_0/text = "use system language"
+popup/item_1/text = "English"
+popup/item_1/id = 1
+popup/item_2/text = "German"
+popup/item_2/id = 2
+
+[node name="I18nLabel2" type="Label" parent="."]
+layout_mode = 2
+text = "Find Subtitle Settings in Acessability Settings."
 
 [node name="confirm_buttons" type="HSplitContainer" parent="."]
 layout_mode = 2

src/singletons/global_state.gd

@@ -6,16 +6,24 @@ extends Node
 @export_file var user_saves_path:String = "user://savegames"
 
 @export_group("Acessability")
+@export var reduce_motion: bool = false
 @export var screen_reader_enabled:bool = false
 @export var rendering_disabled: bool = false
 @export var use_simplified_navigation:bool = false
 @export var show_navigation_buttons: bool = false
+@export_enum("handwriting", "serif", "legible", "system") var font_style: int = 0
 @export_enum("disabled", "text", "cc") var subtitles: int = false
-@export var reduce_motion: bool = false
+@export var ui_scaling: float = 1:
+	set(value):
+		ui_scaling = value
+		ProjectSettings.set_setting("gui/theme/default_theme_scale", value)
 @export var show_content_notes: bool = false
 @export var provide_summaries: bool = false
 @export var allow_skipping: bool = false
 
+# FIXME find a better way to switch fonts!
+var current_main_theme:Theme = preload("res://logic-scenes/themes/handwriting.theme")
+
 @export_group("AudioSettings")
 @export var main_volume:float = 1:
 	set(volume):
@@ -41,12 +49,23 @@ extends Node
 	set(volume):
 		speech_volume = volume
 		AudioServer.set_bus_volume_db(AudioServer.get_bus_index("text"), linear_to_db(volume))
+@export_enum("system_locale", "english", "german") var text_language: int = -1:
+	set(value):
+		text_language = value
+		match text_language:
+			0: TranslationServer.set_locale("en")
+			1: TranslationServer.set_locale("de")
+			_: TranslationServer.set_locale(OS.get_locale())
+@export_enum("system_locale", "english", "german") var speech_language: int = -1:
+	set(value):
+		speech_language = value	
 
 @export_group("Gameplay Settings")
 @export var input_sensitivity: float
 @export var inverty_y_axis: bool
 @export_enum("off", "top_left", "top_right", "bottom_left", "bottom_right") var stream_overlay_position: int
 
+# for passing VFX settings not contained by project settings to scene environemnt
 var ssil_enable:bool = false:
 	set(value):
 		ssil_enable = value
@@ -56,16 +75,12 @@ var sdfgi_enable:bool = false:
 		sdfgi_enable = value
 		environment_settings_changed.emit()
 
-var stage_list:Array = []
+var active_save_game: SaveGame
-var focus_locked: bool = false
 
 signal environment_settings_changed
 signal theme_changed
 
-var current_main_theme:Theme = preload("res://logic-scenes/themes/easy-handwriting.theme"):
+
-	set(theme):
-		current_main_theme = theme
-		emit_signal("theme_changed", theme)
 
 func load_user_settings():
 	
@@ -89,12 +104,14 @@ func load_user_settings():
 func save_settings():
 	var out_dict = {
 		"accessability": {
+			"reduce_motion:": reduce_motion,
 			"screen_reader_enabled": screen_reader_enabled,
 			"rendering_disabled": rendering_disabled,
 			"use_simplified_navigation": use_simplified_navigation,
 			"show_navigation_buttons": show_navigation_buttons,
 			"subtitles": subtitles,
-			"reduce_motion:": reduce_motion,
+			"font_style": font_style,
+			"ui_scaling": ui_scaling,
 			"show_content_notes:": show_content_notes,
 			"provide_summaries:": provide_summaries,
 			"allow_skipping:": allow_skipping
@@ -130,6 +147,9 @@ func _ready():
 
 #region focus handling (called staging to avoid name colisions)
 
+var stage_list:Array = []
+var focus_locked: bool = false
+
 # Intented for use when an actor wants focus for itself, can reclaim focus, thus dropping the stack that focused.
 func take_stage(actor: Object, reclaim: bool = false) -> bool:
 	if focus_locked: return false