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extends GridContainer
const RATIO_FOR_LINEAR : float = 100
var _slider_dictionary : Dictionary
var initial_focus : Control
func get_db_as_volume_value(db : float) -> float:
# db_to_linear produces a float between 0 and 1 from a db value
return db_to_linear(db) * RATIO_FOR_LINEAR
func get_volume_value_as_db(value : float) -> float:
# linear_to_db consumes a float between 0 and 1 to produce the db value
return linear_to_db(value / RATIO_FOR_LINEAR)
func add_volume_row(bus_name : String, bus_index : int) -> HSlider:
var volume_label := Label.new()
if bus_name == "Master":
volume_label.text = "MASTER_BUS"
else:
volume_label.text = bus_name
add_child(volume_label)
var volume_slider := SettingHSlider.new()
volume_slider.section_name = "audio"
volume_slider.setting_name = volume_label.text
volume_slider.custom_minimum_size = Vector2(290, 0)
volume_slider.size_flags_vertical = Control.SIZE_FILL
volume_slider.min_value = 0
volume_slider.default_value = 100
volume_slider.max_value = 120 # 120 so volume can be boosted somewhat
volume_slider.value_changed.connect(_on_slider_value_changed.bind(bus_index))
add_child(volume_slider)
_slider_dictionary[volume_label.text] = volume_slider
if not initial_focus: initial_focus = volume_slider
return volume_slider
# REQUIREMENTS
# * UI-22
func _ready() -> void:
for bus_index in AudioServer.bus_count:
add_volume_row(AudioServer.get_bus_name(bus_index), bus_index)
func _notification(what : int) -> void:
match(what):
NOTIFICATION_VISIBILITY_CHANGED:
if visible and is_inside_tree() and initial_focus: initial_focus.grab_focus()
# REQUIREMENTS
# * UIFUN-30
func _on_slider_value_changed(value : float, bus_index : int) -> void:
AudioServer.set_bus_volume_db(bus_index, get_volume_value_as_db(value))
func _on_options_menu_load_settings(load_file : ConfigFile) -> void:
for volume_slider : SettingHSlider in _slider_dictionary.values():
volume_slider.load_setting(load_file)
# REQUIREMENTS
# * UIFUN-23
func _on_options_menu_save_settings(save_file : ConfigFile) -> void:
for volume_slider : SettingHSlider in _slider_dictionary.values():
volume_slider.save_setting(save_file)
func _on_options_menu_reset_settings() -> void:
for volume_slider : SettingHSlider in _slider_dictionary.values():
volume_slider.reset_setting()
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zaaarf