/// Wait for ChilliConnect to download the catalogue and then display
/// it to the user.
///
private void Update()
{
if (m_currentState == State.FETCHING_ITEMS)
{
if (IAPSystem.Get().IsInitialised())
{
PopulateCatalogue(IAPSystem.Get().GetAvailableItems());
}
}
}
/// Pressing on a catalogue item will hide the purchase menu and
/// start the process of purchasing the item
///
/// @param item
/// Definition of the item to purchase
///
private void OnCatalogueItemSelected(IAPSystem.Item item)
{
Debug.Assert(m_currentState == State.READY_TO_PURCHASE);
m_currentState = State.PURCHASING;
//Hide the Catalogue so that no more purchases can be made
m_canvasGroup.interactable = false;
m_canvasGroup.alpha = 0.0f;
IAPSystem.Get().Purchase(item);
}
/// Uses the available items from the IAP system and displays
/// each one as an UI element in the catalogue. If none displays that the store is empty
///
/// @param items
/// Available items - could be empty if not configured on dashboard or network issues
///
private void PopulateCatalogue(ReadOnlyCollection <IAPSystem.Item> items)
{
Debug.Assert(m_currentState == State.FETCHING_ITEMS);
GameObject catalogueElement = Resources.Load <GameObject>(k_catalogueElementPrefabPath);
foreach (var item in items)
{
var capturedItem = item;
GameObject uiElement = (GameObject)GameObject.Instantiate(catalogueElement, Vector3.zero, Quaternion.identity);
uiElement.transform.SetParent(transform);
uiElement.transform.localScale = Vector3.one;
uiElement.name = capturedItem.ProductId;
uiElement.transform.Find("Name").GetComponent <Text>().text = capturedItem.Name;
uiElement.transform.Find("Cost").GetComponent <Text>().text = capturedItem.LocalisedPrice;
uiElement.GetComponent <Button>().onClick.AddListener(() => OnCatalogueItemSelected(capturedItem));
}
IAPSystem.Get().OnPurchaseCompleteEvent += OnPurchaseComplete;
IAPSystem.Get().OnPurchaseFailedEvent += OnPurchaseFailed;
m_currentState = State.READY_TO_PURCHASE;
}
///
public IAPSystem()
{
s_singletonInstance = this;
}
