public void TraverseMenu()
{
//if I am in a submenu, no matter how many levels deep, clicking on the menu button
//acts as a "Back" button and goes to the menu one level up
if (menuPath.Count > 0)
{
crMenu lastMenu = menuPath[menuPath.Count - 1];
menuPath.RemoveAt(menuPath.Count - 1);
ShowMenu(lastMenu.MenuName, false);
}
else
//if there is no menu currently active, show the first one in the list.
{
if (activeMenu != null)
{
ShowMenu("", false);
}
else
if (Menus != null)
{
if (Menus.Length > 0)
{
ShowMenu(Menus[0].MenuName, true);
}
}
}
}
bool ShowMenu(string named, bool addToPath)
{
if (named != "")
{
//see if the menu we want to display exists
for (int i = 0; i < Menus.Length; i++)
{
if (Menus[i].MenuName == named)
{
//if a menu is already active, make it fade away
if (activeMenu != null)
{
deactivatingMenu = activeMenu;
activeMenu.Deactivate();
if (addToPath)
{
menuPath.Add(activeMenu);
}
}
//fade in the new menu
activeMenu = Menus[i];
activeMenu.Activate();
return(true);
}
}
}
else
// if menu to show is empty, deactivate all menus
{
menuPath.Clear();
if (activeMenu != null)
{
deactivatingMenu = activeMenu;
activeMenu.Deactivate();
activeMenu = null;
}
}
//if the code reached here then we can safely assume that a new menu was not loaded
//the only time the return value is checked is to determine wether a menu exists
//or not. so since it wasn't found, return false
return(false);
}
