Added mute button and volume slider to text log

scenes/screens/visual_novel.gd

@@ -27,6 +27,8 @@ func _ready():
 	$FishingMinigame.visible = false
 	$ChatLog.visible = false
 
+	%VolumeSlider.value = FileGlobals.get_global_data("volume", 0.0)
+
 	# Get current load source from file globals
 	load_game(FileGlobals.current_load_source, FileGlobals.current_load_file)
 	#run_visual_novel(vn_current_name, FileGlobals.current_load_source == FileGlobals.VNLoadSource.NEW_GAME, vn_save_state)
@@ -270,5 +272,28 @@ func _on_close_chat_log_button_pressed():
 	toggle_chatlog()
 
 func _on_quicksave_button_pressed():
+	$VNInterpreter.advance_sfx()
 	if save_game(FileGlobals.VNSaveTarget.MANUAL_SAVE):
 		quick_saved.emit()
+
+func _on_mute_button_pressed():
+	if FileGlobals.get_global_data("muted"):
+		unmute()
+	else:
+		mute()
+
+func mute():
+	MusicManager.set_volume(-80.0)
+	FileGlobals.set_global_data("muted", true)
+	%MuteTextureRect.texture = load("res://images/ui/speaker-x-mark.svg")
+
+func unmute():
+	MusicManager.set_volume(FileGlobals.get_global_data("volume", 0.0))
+	FileGlobals.set_global_data("muted", false)
+	$VNInterpreter.advance_sfx()
+	%MuteTextureRect.texture = load("res://images/ui/speaker-wave.svg")
+
+func _on_volume_slider_value_changed(value):
+	FileGlobals.set_global_data("volume", value)
+	if not FileGlobals.get_global_data("muted", false):
+		MusicManager.set_volume(value)