/// <summary>
/// Decode badges to content
/// </summary>
/// <param name="badges"></param>
/// <param name="receiver"></param>
/// <returns></returns>
public string Decode(List <Badge> badges, string receiver = "")
{
var finalText = string.Empty;
// physical
var finalInt = E2HttpProtocol.DecodeBadges(badges);
// visualization purpose only
finalText += finalInt.ToBinaryString();
// transaction
var contentInt = ReadTransactionCode(finalInt, receiver, out var protocolType);
// application
var chars = ContentEncoder.DecodeContent(protocolType, contentInt);
// visualization purpose only
while (finalText.Length < 57)
{
finalText = @"0" + finalText;
}
finalText = new string(chars.ToArray()) + @" (" + finalText + ")";
return(finalText);
}
public static List <Badge> GenerateBadges(BigInteger transactionInt)
{
var results = transactionInt.ToBaseX(54);
while (results.Count < 10)
{
results.Insert(0, 0);
}
Console.WriteLine(string.Join(" ", results));
var badges = new List <Badge>();
var e2HttpProtocol = new E2HttpProtocol();
for (int i = 0; i < 10; ++i)
{
var panelPos = e2HttpProtocol.PanelPositions[i];
foreach (var badgeElement in e2HttpProtocol.BadgeElements[results[i]].AllocatedBadges)
{
var badge = new Badge();
badge.Position = new Position(panelPos.X + badgeElement.Position.X, panelPos.Y + badgeElement.Position.Y);
badge.BadgeType = badgeElement.BadgeType;
badges.Add(badge);
}
}
return(badges);
}
/// <summary>
/// Encode content to badges
/// </summary>
/// <param name="encodeType"></param>
/// <param name="protocol"></param>
/// <param name="content"></param>
/// <param name="receiver"></param>
/// <returns></returns>
public List <Badge> Encode(EncodeType encodeType, Protocol protocol, string content, string receiver = "")
{
BigInteger bigInt = 0;
var maxDataBits = 35;
// bit 0 -> type
if (encodeType == EncodeType.Unicast)
{
bigInt |= 1;
}
else
{
maxDataBits += 13;
}
// encode content (application layer)
var contentInt = ContentEncoder.EncodeContent(protocol, content, maxDataBits);
// transaction
var transactionInt = GenerateTransactionCode(encodeType, protocol, bigInt, contentInt, receiver);
// phyiscal
var badges = E2HttpProtocol.GenerateBadges(transactionInt);
return(badges);
}
public static BigInteger DecodeBadges(List <Badge> badges)
{
BigInteger finalInt = 0;
var resultInt = new List <int>();
var e2HttpProtocol = new E2HttpProtocol();
for (int i = 0; i < 10; ++i)
{
var panelPos = e2HttpProtocol.PanelPositions[i];
var selectedBadges = new List <Badge>();
foreach (var badge in badges)
{
if (badge.Position.X >= panelPos.X && badge.Position.X <= panelPos.X + 4 &&
badge.Position.Y >= panelPos.Y && badge.Position.Y <= panelPos.Y + 10)
{
var x = badge.Position.X - panelPos.X;
var y = badge.Position.Y - panelPos.Y;
var selectedBadge = new Badge();
selectedBadge.Position = new Position(x, y);
selectedBadge.BadgeType = badge.BadgeType;
selectedBadges.Add(selectedBadge);
}
}
BadgeElement selectedBadgeElement = null;
foreach (var badgeElement in e2HttpProtocol.BadgeElements)
{
if (badgeElement.AllocatedBadges.Count != selectedBadges.Count)
{
continue;
}
bool found = true;
foreach (var selectedBadge in selectedBadges)
{
if (!badgeElement.AllocatedBadges.Any(s =>
s.Position.X == selectedBadge.Position.X && s.Position.Y == selectedBadge.Position.Y &&
s.BadgeType == selectedBadge.BadgeType))
{
found = false;
break;
}
}
if (found)
{
selectedBadgeElement = badgeElement;
break;
}
}
var index = e2HttpProtocol.BadgeElements.ToList().IndexOf(selectedBadgeElement);
resultInt.Add(index);
}
Console.WriteLine(string.Join(" ", resultInt));
for (int i = 0; i < 10; ++i)
{
finalInt += resultInt[i] * BigInteger.Pow(54, 10 - i - 1);
}
return(finalInt);
}