Add Setting Sanatization (#21)

1 files changed, 11 insertions, 7 deletions

diff --git a/game/src/OptionMenu/MonitorDisplaySelector.gd b/game/src/OptionMenu/MonitorDisplaySelector.gd
index f2f0dc8..b665658 100644
--- a/game/src/OptionMenu/MonitorDisplaySelector.gd
+++ b/game/src/OptionMenu/MonitorDisplaySelector.gd
@@ -2,13 +2,17 @@ extends SettingOptionButton
 
 func _setup_button():
 	clear()
-	for screen_index in range(DisplayServer.get_screen_count()):
+	for screen_index in DisplayServer.get_screen_count():
 		add_item("Monitor %d" % (screen_index + 1))
 	default_selected = get_viewport().get_window().current_screen
 
-func _on_item_selected(index):
-	var window := get_viewport().get_window()
-	var mode := window.mode
-	window.mode = Window.MODE_WINDOWED
-	get_viewport().get_window().set_current_screen(index)
-	window.mode = mode
+func _on_item_selected(index : int):
+	if _valid_index(index):
+		var window := get_viewport().get_window()
+		var mode := window.mode
+		window.mode = Window.MODE_WINDOWED
+		get_viewport().get_window().set_current_screen(index)
+		window.mode = mode
+	else:
+		push_error("Invalid MonitorDisplaySelector index: %d" % index)
+		reset_setting()