protected bool HasItemDroppedOut(int id)
{
if (!DisplayedCounter.ContainsKey(id)) // the first hit
{
return(false);
}
else // the second and other hits
{
double dropProbability = DropProbability(id);
bool hasItemDroppedOut = random.NextDouble() < dropProbability;
return(hasItemDroppedOut);
}
}
protected void IncrementDisplayedCount(IEnumerable <Item> displayItems)
{
foreach (Item item in displayItems)
{
if (DisplayedCounter.ContainsKey(item.Id))
{
DisplayedCounter[item.Id]++;
}
else
{
DisplayedCounter.Add(item.Id, 1);
}
}
}