Added audio settings

client/ui/settings/audio/AudioBusVolume.gd

@@ -0,0 +1,21 @@
+@tool
+extends Slider
+
+var bus := -1
+
+func _ready():
+	bus = AudioServer.get_bus_index(get_parent().name)
+	var db := AudioServer.get_bus_volume_db(bus)
+	var linear := db_to_linear(db)
+	set_value_no_signal(linear)
+
+func on_value_changed(new_value: float):
+	AudioServer.set_bus_volume_db(bus, linear_to_db(new_value))
+
+func _get_configuration_warnings() -> PackedStringArray:
+	var warnings := []
+
+	if AudioServer.get_bus_index(get_parent().name) == -1:
+		warnings.append("Invalid audio bus name: %s" % get_parent().name)
+	
+	return warnings

client/ui/settings/audio/AudioBusVolume.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=3 format=3 uid="uid://meal8j3ft58r"]
+
+[ext_resource type="Script" path="res://ui/label/ParentNameLabel.gd" id="1_hrs80"]
+[ext_resource type="Script" path="res://ui/settings/audio/AudioBusVolume.gd" id="2_3ihfm"]
+
+[node name="Master" type="HBoxContainer"]
+custom_minimum_size = Vector2(0, 32)
+
+[node name="Label" type="Label" parent="."]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "Master:"
+script = ExtResource("1_hrs80")
+
+[node name="HSlider" type="HSlider" parent="."]
+layout_mode = 2
+size_flags_horizontal = 3
+max_value = 1.0
+step = 0.01
+value = 1.0
+script = ExtResource("2_3ihfm")
+
+[connection signal="value_changed" from="HSlider" to="HSlider" method="on_value_changed"]