private static void EncodeNOfs(List <byte> bytes, List <CardCodeAndCount> nOfs)
{
foreach (CardCodeAndCount ccc in nOfs)
{
bytes.AddRange(Varint.GetVarint((ulong)ccc.Count));
ParseCardCode(ccc.CardCode, out int setNumber, out string factionCode, out int cardNumber);
int factionNumber = FactionCodeToIntIdentifier[factionCode];
bytes.AddRange(Varint.GetVarint((ulong)setNumber));
bytes.AddRange(Varint.GetVarint((ulong)factionNumber));
bytes.AddRange(Varint.GetVarint((ulong)cardNumber));
}
}
private static void EncodeGroupOf(List <byte> bytes, List <List <CardCodeAndCount> > groupOf)
{
bytes.AddRange(Varint.GetVarint((ulong)groupOf.Count));
foreach (List <CardCodeAndCount> currentList in groupOf)
{
//how many cards in current group?
bytes.AddRange(Varint.GetVarint((ulong)currentList.Count));
//what is this group, as identified by a set and faction pair
string currentCardCode = currentList[0].CardCode;
ParseCardCode(currentCardCode, out int currentSetNumber, out string currentFactionCode, out int _);
int currentFactionNumber = FactionCodeToIntIdentifier[currentFactionCode];
bytes.AddRange(Varint.GetVarint((ulong)currentSetNumber));
bytes.AddRange(Varint.GetVarint((ulong)currentFactionNumber));
//what are the cards, as identified by the third section of card code only now, within this group?
foreach (CardCodeAndCount cd in currentList)
{
string code = cd.CardCode;
int sequenceNumber = int.Parse(code.Substring(4, 3));
bytes.AddRange(Varint.GetVarint((ulong)sequenceNumber));
}
}
}
public static List <CardCodeAndCount> GetDeckFromCode(string code)
{
List <CardCodeAndCount> result = new List <CardCodeAndCount>();
byte[] bytes;
try
{
bytes = Base32.Decode(code);
}
catch
{
throw new ArgumentException("Invalid deck code");
}
List <byte> byteList = bytes.ToList();
//grab format and version
//int format = bytes[0] >> 4;
int version = bytes[0] & 0xF;
byteList.RemoveAt(0);
if (version > MaxKnownVersion)
{
throw new ArgumentException(
"The provided code requires a higher version of this library; please update.");
}
for (int i = 3; i > 0; i--)
{
int numGroupOfs = Varint.PopVarint(byteList);
for (int j = 0; j < numGroupOfs; j++)
{
int numOfsInThisGroup = Varint.PopVarint(byteList);
int set = Varint.PopVarint(byteList);
int faction = Varint.PopVarint(byteList);
for (int k = 0; k < numOfsInThisGroup; k++)
{
int card = Varint.PopVarint(byteList);
string setString = set.ToString().PadLeft(2, '0');
string factionString = IntIdentifierToFactionCode[faction];
string cardString = card.ToString().PadLeft(3, '0');
CardCodeAndCount newEntry = new CardCodeAndCount()
{
CardCode = setString + factionString + cardString, Count = i
};
result.Add(newEntry);
}
}
}
//the remainder of the deck code is comprised of entries for cards with counts >= 4
//this will only happen in Limited and special game modes.
//the encoding is simply [count] [card code]
while (byteList.Count > 0)
{
int fourPlusCount = Varint.PopVarint(byteList);
int fourPlusSet = Varint.PopVarint(byteList);
int fourPlusFaction = Varint.PopVarint(byteList);
int fourPlusNumber = Varint.PopVarint(byteList);
string fourPlusSetString = fourPlusSet.ToString().PadLeft(2, '0');
string fourPlusFactionString = IntIdentifierToFactionCode[fourPlusFaction];
string fourPlusNumberString = fourPlusNumber.ToString().PadLeft(3, '0');
CardCodeAndCount newEntry = new CardCodeAndCount()
{
CardCode = fourPlusSetString + fourPlusFactionString + fourPlusNumberString, Count = fourPlusCount
};
result.Add(newEntry);
}
return(result);
}