Tweaked initializer to keep the SpaceEngineersGame instance around.

Torch.Client/UI/TorchNavScreen.cs

@@ -0,0 +1,49 @@
+using Sandbox;
+using Sandbox.Game.Gui;
+using Sandbox.Graphics.GUI;
+using VRage;
+using VRage.Game;
+using VRage.Utils;
+using VRageMath;
+
+namespace Torch.Client.UI
+{
+    public class TorchNavScreen : MyGuiScreenBase
+    {
+		private MyGuiControlElementGroup _elementGroup;
+
+        public TorchNavScreen() : base(new Vector2(0.5f, 0.5f), MyGuiConstants.SCREEN_BACKGROUND_COLOR, new Vector2(0.35875f, 0.558333337f))
+		{
+			EnabledBackgroundFade = true;
+			RecreateControls(true);
+		}
+
+		public override void RecreateControls(bool constructor)
+		{
+			base.RecreateControls(constructor);
+			_elementGroup = new MyGuiControlElementGroup();
+			_elementGroup.HighlightChanged += ElementGroupHighlightChanged;
+			AddCaption(MyCommonTexts.ScreenCaptionOptions, null, null);
+			var value = new Vector2(0f, -m_size.Value.Y / 2f + 0.146f);
+			var num = 0;
+			var myGuiControlButton = new MyGuiControlButton(value + num++ * MyGuiConstants.MENU_BUTTONS_POSITION_DELTA, MyGuiControlButtonStyleEnum.Default, null, null, MyGuiDrawAlignEnum.HORISONTAL_CENTER_AND_VERTICAL_CENTER, null, MyTexts.Get(MyCommonTexts.ScreenOptionsButtonGame), 0.8f, MyGuiDrawAlignEnum.HORISONTAL_CENTER_AND_VERTICAL_CENTER, MyGuiControlHighlightType.WHEN_ACTIVE, delegate(MyGuiControlButton sender)
+			{
+				MyGuiSandbox.AddScreen(MyGuiSandbox.CreateScreen<TorchSettingsScreen>());
+			}, GuiSounds.MouseClick, 1f, null);
+			Controls.Add(myGuiControlButton);
+			_elementGroup.Add(myGuiControlButton);
+			CloseButtonEnabled = true;
+		}
+
+		private void ElementGroupHighlightChanged(MyGuiControlElementGroup obj)
+		{
+			foreach (MyGuiControlBase current in _elementGroup)
+				if (current.HasFocus && obj.SelectedElement != current)
+					FocusedControl = obj.SelectedElement;
+		}
+
+        public override string GetFriendlyName() => "Torch";
+
+        public void OnBackClick(MyGuiControlButton sender) => CloseScreen();
+    }
+}