Added options remember settings after closing and reopening game

Options file is saved to "(user)/AppData/Godot/app_userdata/godot_ship/options.save"

godot_ship/script/options/Options.gd

@@ -7,27 +7,27 @@ onready var theme_buttons = find_node("Buttons", true, true).get_children()
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
+	OptionsController.load_options()
 	find_next_valid_focus().grab_focus()
 	sound_slider.value = OptionsController.get_sfx_volume()
 	music_slider.value = OptionsController.get_mus_volume()
 
-
 func _on_Button_pressed():
 	queue_free()
 #	MessageBus.emit_signal("change_scene", "Title")
 
-
 func _on_SFX_Slider_value_changed(value):
 	OptionsController.set_sfx_vol(value)
-
+	OptionsController.save_options()
 
 func _on_Volume_Slider_value_changed(value):
 	OptionsController.set_mus_vol(value)
-
+	OptionsController.save_options()
 
 func _on_Light_pressed():
 	OptionsController.set_theme("light")
-
+	OptionsController.save_options()
 
 func _on_Dark_pressed():
 	OptionsController.set_theme("dark")
+	OptionsController.save_options()

godot_ship/script/options/OptionsController.gd

@@ -7,6 +7,8 @@ signal change_mus_volume (volume)
 signal change_sfx_volume (volume)
 
 # Option variables
+var f = File.new()
+var options_file = "user://options.save"
 var theme = "dark"
 var mus_vol = 100
 var sfx_vol = 100
@@ -27,6 +29,21 @@ func set_sfx_vol(volume):
 	sfx_vol = volume
 	emit_signal("change_sfx_volume", sfx_vol)
 
+#Option Save File
+func save_options():
+	f.open(options_file, File.WRITE)
+	f.store_var(theme)
+	f.store_var(mus_vol)
+	f.store_var(sfx_vol)
+	f.close()
+func load_options():
+	if f.file_exists(options_file):
+		f.open(options_file, File.READ)
+		theme = f.get_var()
+		mus_vol = f.get_var()
+		sfx_vol = f.get_var()
+		f.close()
+
 # Getters
 func get_theme():
 	return theme