Finish making settings

Scripts/Utils.cs

@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+using System.Linq;
+using Godot;
+
+public class Utils {
+    public static void ToggleFullscreen(bool on, List<string> settings)
+    {
+        DisplayServer.WindowSetMode(on ? DisplayServer.WindowMode.Fullscreen : DisplayServer.WindowMode.Maximized);
+
+        string vsync = settings.ElementAtOrDefault(1) ?? "1";
+        ToggleVSync(vsync == "1");
+    }
+
+    public static void ToggleFullscreen(bool on)
+    {
+        List<string> settings = LoadSettings();
+        ToggleFullscreen(on, settings);
+    }
+
+    public static void ToggleVSync(bool on)
+    {
+        DisplayServer.WindowSetVsyncMode(on ? DisplayServer.VSyncMode.Enabled : DisplayServer.VSyncMode.Disabled);
+    }
+
+    public static List<string> LoadSettings() {
+        string value = BazookaManager.Read(BazookaManager.Settings, "");
+        List<string> values = [.. value.Split(':')];
+        return values;
+    }
+}