/* * * * Buying items * * * */
///<summary>Updates gold amount and relevant item count as appropriate. Also updates expiration date if applicable.</summary>
public static bool buyItem(int id)
{
StoreItem item = STORE_ITEMS[id];
string key = item.getKey();
int numBought = DataAndSettingsManager.getNumBoughtForStoreItem(key);
int gold = DataAndSettingsManager.getGoldAmount();
if (gold >= item.getCost() && (id < getNumExpendables() || numBought < 1))
{
DataAndSettingsManager.setNumBoughtForStoreItem(key, numBought + 1);
DataAndSettingsManager.setGoldAmount(gold -= item.getCost());
if (item.hasLifespan())
{
DateTime expiration = DataAndSettingsManager.getExpirationDateForStoreItem(key);
DateTime now = DateTime.Now;
TimeSpan lifespan = new TimeSpan(item.getLifespanHours(), 0, 0);
if (expiration.CompareTo(now) < 0)
{
// the item has already expired, so set a new expiration date
DataAndSettingsManager.setExpirationDateForStoreItem(key, now.Add(lifespan));
}
else
{
// the item hasn't expired yet, so advance the expiration date further
DataAndSettingsManager.setExpirationDateForStoreItem(key, expiration.Add(lifespan));
}
//Debug.Log("expiration date was " + expiration.ToString());
}
return(true);
}
return(false);
}
/* * * * Item-specific methods * * * */
///<summary>Returns whether interstitial ads should be shown, based on whether the temporary no-ads item is active.
/// Should also check whether the user has bought the permanent no-ads IAP.</summary>
public static bool shouldShowAds()
{
DateTime expiration = DataAndSettingsManager.getExpirationDateForStoreItem(ITEM_KEY_NO_ADS_TEMPORARY);
DateTime now = DateTime.Now;
return(expiration.CompareTo(now) < 0);
}
///<summary>Sets the counts of items with lifespans according to how many lifespans are left before their expiration dates.</summary>
public static void updateLifespanItemCounts()
{
foreach (StoreItem item in STORE_ITEMS)
{
string key = item.getKey();
int numBought = DataAndSettingsManager.getNumBoughtForStoreItem(key);
if (numBought > 0 && item.hasLifespan())
{
DateTime expiration = DataAndSettingsManager.getExpirationDateForStoreItem(key);
DateTime now = DateTime.Now;
int difference = expiration.Subtract(now).Hours;
if (difference > 0)
{
DataAndSettingsManager.setNumBoughtForStoreItem(key, difference / item.getLifespanHours());
}
else
{
DataAndSettingsManager.setNumBoughtForStoreItem(key, 0);
}
}
}
}