public static string WriteDiscountRange(Item item, Shop shop)
{
if (item == null || shop == null)
{
return("");
}
var info = new StringBuilder();
CatalogEntry entry = shop.Catalog?.Entries.FirstOrDefault(x => x.ItemId == item.Id);
if (entry == null)
{
return("");
}
if (entry.DiscountChance <= 0)
{
return("");
}
info.Append($"(**{entry.MinDiscount ?? CatalogEntry.DefaultMinDiscount}**% to ");
info.Append($"**{entry.MaxDiscount ?? CatalogEntry.DefaultMaxDiscount}**% discount range");
info.Append($", **{RangeF.Convert(0, 1, 0, 100, entry.DiscountChance):##,0.##}**% chance of discount)");
return(info.ToString());
}
/// <summary>
/// Generates a new <see cref="ItemCatalog"/>.
/// </summary>
public ItemCatalog Generate(long tier = 1)
{
int specials = 0;
int discounts = 0;
var counters = new Dictionary <string, int>();
var discountEntries = new Dictionary <string, int>();
var groupCounters = new Dictionary <string, int>();
int entries = 0;
if (Size <= 0)
{
throw new ArgumentException("Cannot initialize a catalog with an empty or negative size.");
}
while (entries < Size)
{
CatalogEntry entry = GetNextEntry(tier, specials, counters, groupCounters);
if (entry == null)
{
break;
}
if (entry.IsSpecial)
{
Logger.Debug($"Special entry applied ({entry.ItemId})");
specials++;
}
else
{
Logger.Debug($"Next entry loaded ({entry.ItemId})");
}
if (entry.DiscountChance > 0 && entry.MaxDiscount.HasValue)
{
if (!discountEntries.ContainsKey(entry.ItemId) &&
discounts < MaxDiscountsAllowed &&
RandomProvider.Instance.NextDouble() <= entry.DiscountChance)
{
// NOTE: Since the upper bound is exclusive, add 1 to the max discount, so that it's possible to land on the specified max
int discountToApply = RandomProvider.Instance
.Next(entry.MinDiscount ?? CatalogEntry.DefaultMinDiscount, (entry.MaxDiscount ?? CatalogEntry.DefaultMaxDiscount) + 1);
discountEntries.Add(entry.ItemId, discountToApply);
Logger.Debug($"{discountToApply}% discount applied ({entry.ItemId})");
discounts++;
}
}
if (!ItemHelper.Exists(entry.ItemId))
{
throw new Exception("The specified item ID could not be found.");
}
if (!counters.TryAdd(entry.ItemId, 1))
{
counters[entry.ItemId]++;
}
if (Check.NotNull(entry.GroupId))
{
if (!groupCounters.TryAdd(entry.GroupId, 1))
{
groupCounters[entry.GroupId]++;
}
}
entries++;
}
Logger.Debug($"Compiling catalog with {entries} {Format.TryPluralize("entry", entries)}");
return(new ItemCatalog(counters, discountEntries));
}