private static string Serialize(Deck deck)
{
if (deck == null)
{
throw new InvalidDeckException("Deck can not be null");
}
if (deck.HeroDbfId == 0)
{
throw new InvalidDeckException("HeroDbfId can not be zero");
}
if (deck.GetHero()?.Type != CardType.HERO)
{
throw new InvalidDeckException("HeroDbfId does not represent a valid hero");
}
if (deck.Format == FormatType.FT_UNKNOWN)
{
throw new InvalidDeckException("Format can not be FT_UNKNOWN");
}
using (var ms = new MemoryStream())
{
void Write(int value)
{
if (value == 0)
{
ms.WriteByte(0);
}
else
{
var bytes = VarInt.GetBytes((ulong)value);
ms.Write(bytes, 0, bytes.Length);
}
}
ms.WriteByte(0);
Write(1);
Write((int)deck.Format);
Write(1);
Write(deck.HeroDbfId);
var cards = deck.CardDbfIds.OrderBy(x => x.Key).ToList();
var singleCopy = cards.Where(x => x.Value == 1).ToList();
var doubleCopy = cards.Where(x => x.Value == 2).ToList();
var nCopy = cards.Where(x => x.Value > 2).ToList();
Write(singleCopy.Count);
foreach (var card in singleCopy)
{
Write(card.Key);
}
Write(doubleCopy.Count);
foreach (var card in doubleCopy)
{
Write(card.Key);
}
Write(nCopy.Count);
foreach (var card in nCopy)
{
Write(card.Key);
Write(card.Value);
}
return(Convert.ToBase64String(ms.ToArray()));
}
}
private static Deck DeserializeDeckString(string deckString)
{
var deck = new Deck();
byte[] bytes;
try
{
bytes = Convert.FromBase64String(deckString);
}
catch (Exception e)
{
throw new ArgumentException("Input is not a valid deck string.", e);
}
var offset = 0;
ulong Read()
{
if (offset > bytes.Length)
{
throw new ArgumentException("Input is not a valid deck string.");
}
var value = VarInt.ReadNext(bytes.Skip(offset).ToArray(), out var length);
offset += length;
return(value);
}
//Zero byte
offset++;
//Version - always 1
Read();
deck.Format = (FormatType)Read();
//Num Heroes - always 1
Read();
deck.HeroDbfId = (int)Read();
void AddCard(int?dbfId = null, int count = 1)
{
dbfId = dbfId ?? (int)Read();
deck.CardDbfIds[dbfId.Value] = count;
}
var numSingleCards = (int)Read();
for (var i = 0; i < numSingleCards; i++)
{
AddCard();
}
var numDoubleCards = (int)Read();
for (var i = 0; i < numDoubleCards; i++)
{
AddCard(count: 2);
}
var numMultiCards = (int)Read();
for (var i = 0; i < numMultiCards; i++)
{
var dbfId = (int)Read();
var count = (int)Read();
AddCard(dbfId, count);
}
return(deck);
}