add SetButtonVisible

src/OWML.Utils/MenuExtensions.cs

@@ -1,7 +1,27 @@
-namespace OWML.Utils
+using UnityEngine;
+
+namespace OWML.Utils
 {
 	public static class MenuExtensions
 	{
 		public static void SetMessage(this PopupMenu menu, string message) => menu._labelText.text = message;
+
+		public static void SetButtonVisible(this SubmitAction buttonAction, bool visible)
+		{
+			var activeAlpha = 1;
+
+			if (LoadManager.GetCurrentScene() == OWScene.TitleScreen)
+			{
+				var titleAnimationController = Resources.FindObjectsOfTypeAll<TitleScreenManager>()[0]._gfxController;
+				activeAlpha = titleAnimationController.IsTitleAnimationComplete() ? 1 : 0;
+				if (titleAnimationController.IsFadingInMenuOptions())
+				{
+					activeAlpha = 1;
+				}
+			}
+
+			buttonAction.gameObject.SetActive(visible);
+			buttonAction.GetComponent<CanvasGroup>().alpha = visible ? activeAlpha : 0;
+		}
 	}
 }