- made the sinmple options menu switchable.

Also ensure that custom mods pick up the simple version if enabled.

src/menu/doommenu.cpp

@@ -71,6 +71,8 @@ EXTERN_CVAR(Bool, saveloadconfirmation) // [mxd]
 EXTERN_CVAR(Bool, quicksaverotation)
 EXTERN_CVAR(Bool, show_messages)
 
+CVAR(Bool, m_simpleoptions, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
+
 typedef void(*hfunc)();
 DMenu* CreateMessageBoxMenu(DMenu* parent, const char* message, int messagemode, bool playsound, FName action = NAME_None, hfunc handler = nullptr);
 bool OkForLocalization(FTextureID texnum, const char* substitute);
@@ -189,6 +191,15 @@ bool M_SetSpecialMenu(FName& menu, int param)
 	case NAME_Playermenu:
 		menu = NAME_NewPlayerMenu;	// redirect the old player menu to the new one.
 		break;
+
+	case NAME_Optionsmenu:
+		if (m_simpleoptions) menu = NAME_OptionsmenuSimple;
+		break;
+
+	case NAME_OptionsmenuFull:
+		menu = NAME_Optionsmenu;
+		break;
+
 	}
 
 	DMenuDescriptor** desc = MenuDescriptors.CheckKey(menu);