private void Update()
{
//If the title screen is active, move using the up/down and WS keys.
if (titleScreen.activeInHierarchy)
{
//Activate the title screen cursor and deactivate the level select cursor -- ran when the title screen loads.
if (!titleScreenCursor.IsActive())
{
titleScreenCursor.SetActive();
}
if (levelSelectionCursor.IsActive())
{
levelSelectionCursor.Deactivate();
}
//Move to the next or previous cursor.
if (Input.GetKeyDown("down") || Input.GetKeyDown("s"))
{
titleScreenCursor = titleScreenCursor.ActivateNext();
titleScreenIndex = titleScreenCursor.GetIndex();
}
else if (Input.GetKeyDown("up") || Input.GetKeyDown("w"))
{
titleScreenCursor = titleScreenCursor.ActivatePrevious();
titleScreenIndex = titleScreenCursor.GetIndex();
}
//Activating menus
}
else if (levelSelectionScreen.activeInHierarchy)
{
//Activate the level selection screen cursor and deactivate the level select cursor -- ran when the level selection screen loads.
if (!levelSelectionCursor.IsActive())
{
levelSelectionCursor.SetActive();
}
if (titleScreenCursor.IsActive())
{
titleScreenCursor.Deactivate();
}
//Move to the next or previous cursor.
if (Input.GetKeyDown("right") || Input.GetKeyDown("d"))
{
levelSelectionCursor = levelSelectionCursor.ActivateNext();
levelSelectionIndex = levelSelectionCursor.GetIndex();
}
else if (Input.GetKeyDown("left") || Input.GetKeyDown("a"))
{
levelSelectionCursor = levelSelectionCursor.ActivatePrevious();
levelSelectionIndex = levelSelectionCursor.GetIndex();
}
}
HandleSelection();
}
//If there is a previous cursor, deactivate the current one and activate the previous.
//Return this cursor if there is no previous.
public CursorBehaviour ActivatePrevious()
{
if (previousCursor)
{
Deactivate();
previousCursor.SetActive();
return(previousCursor);
}
return(this);
}
//If there is a next cursor, deactivate the current one and activate the next.
//Return this cursor if there is no next.
public CursorBehaviour ActivateNext()
{
if (nextCursor)
{
Deactivate();
nextCursor.SetActive();
return(nextCursor);
}
return(this);
}