/// <summary>Reveal one card's identity</summary>
/// <param name="card">The card, whose identity is revealed</param>
/// <param name="revealed">Either the salted CardIdentity id (in the case of an alias), or the salted, condensed Card GUID.</param>
/// <param name="guid"> </param>
public void Reveal(Card card, ulong revealed, Guid guid)
{
// Save old id
CardIdentity oldType = card.Type;
// Check if the card is rightfully revealed
if (!card.Type.Revealing)
Program.Trace.TraceEvent(TraceEventType.Warning, EventIds.Event, "Someone tries to reveal a card which is not visible to everybody.");
// Check if we can trust other clients
if (!card.Type.MySecret)
{
if (guid != Guid.Empty && (uint)revealed != guid.Condense())
Program.Trace.TraceEvent(TraceEventType.Warning, EventIds.Event, "[Reveal] Alias and id aren't the same. One client is buggy or tries to cheat.");
if (Crypto.ModExp(revealed) != card.Type.Key)
Program.Trace.TraceEvent(TraceEventType.Warning, EventIds.Event, "[Reveal] Card identity doesn't match. One client is buggy or tries to cheat.");
}
else
card.Type.MySecret = false;
// Reveal an alias
if (guid == Guid.Empty)
{
// Find the new type
CardIdentity newId = CardIdentity.Find((int)revealed);
// HACK: it is unclear to me how the CardIdentity could not be found and newId ends up null
// see this bug report: https://octgn.16bugs.com/projects/3602/bugs/192070
// for now I'm just doing nothing (supposing that it means the type was already revealed).
if (newId == null) { card.Reveal(); return; }
// Possibly copy the model, if it was known and isn't anymore
// (possible when the alias has beeen locally revealed)
if (newId.Model == null) newId.Model = card.Type.Model;
// Set the new type
card.Type = newId;
// Delete the old identity
CardIdentity.Delete(oldType.Id);
// Possibly reveal the alias further
card.Reveal();
// Raise a notification
oldType.OnRevealed(newId);
}
// Reveal a card's type
else if (card.Type.Model == null)
{
card.SetModel(Program.GameEngine.Definition.GetCardById(guid));
// Raise a notification
oldType.OnRevealed(oldType);
}
}
/// <summary>Reveal a card's identity to one player only.</summary>
/// <param name="players"> </param>
/// <param name="card">The card, whose identity is revealed.</param>
/// <param name="encrypted">Either a ulong[2] containing an encrypted aliased CardIdentity id. Or a ulong[5] containing an encrypted CardModel guid.</param>
public void RevealTo(Player[] players, Card card, ulong[] encrypted)
{
var oldType = card.Type;
ulong alias = 0;
Guid id = Guid.Empty;
players = players.Where(x => x != null).ToArray();
switch (encrypted.Length)
{
case 2:
alias = Crypto.Decrypt(encrypted);
break;
case 5:
id = Crypto.DecryptGuid(encrypted);
break;
default:
Program.TraceWarning("[RevealTo] Invalid data received.");
return;
}
if (!players.All(p => (card.Group.Visibility == DataNew.Entities.GroupVisibility.Custom && card.Group.Viewers.Contains(p)) ||
card.PlayersLooking.Contains(p) || card.PeekingPlayers.Contains(p)))
Program.TraceWarning("[RevealTo] Revealing a card to a player, who isn't allowed to see it. This indicates a bug or cheating.");
// If it's an alias, we must revealed it to the final recipient
bool sendToMyself = true;
if (alias != 0)
{
sendToMyself = false;
CardIdentity ci = CardIdentity.Find((int)alias);
if (ci == null)
{ Program.TraceWarning("[RevealTo] Identity not found."); return; }
// If the revealed type is an alias, pass it to the one who owns it to continue the RevealTo chain.
if (ci.Alias)
{
Player p = Player.Find((byte)(ci.Key >> 16));
Program.Client.Rpc.RevealToReq(p, players, card, Crypto.Encrypt(ci.Key, p.PublicKey));
}
// Else revealed the card model to the ones, who must see it
else
{
Player[] pArray = new Player[1];
foreach (Player p in players)
if (p != Player.LocalPlayer)
{
pArray[0] = p;
Program.Client.Rpc.RevealToReq(p, pArray, card, Crypto.Encrypt(ci.Model.Id, p.PublicKey));
}
else
{
sendToMyself = true;
id = ci.Model.Id;
}
}
}
// Else it's a type and we are the final recipients
if (!sendToMyself) return;
if (card.Type.Model == null)
card.SetModel(Program.GameEngine.Definition.GetCardById(id));
// Raise a notification
oldType.OnRevealed(card.Type);
}
/// <summary>Reveal one card's identity</summary>
/// <param name="card">The card, whose identity is revealed</param>
/// <param name="revealed">Either the salted CardIdentity id (in the case of an alias), or the salted, condensed Card GUID.</param>
/// <param name="id">If the revealed identity is a model, the non-condensed CardModel guid. Otherwise this parameter should be Guid.Empty.</param>
public void Reveal(Card card, ulong revealed, Guid guid)
{
// Save old id
CardIdentity oldType = card.Type;
// Check if the card is rightfully revealed
if (!card.Type.revealing)
Program.Trace.TraceEvent(TraceEventType.Warning, EventIds.Event, "Someone tries to reveal a card which is not visible to everybody.");
// Check if we can trust other clients
if (!card.Type.mySecret)
{
if (guid != Guid.Empty && (uint)revealed != guid.Condense())
Program.Trace.TraceEvent(TraceEventType.Warning, EventIds.Event, "[Reveal] Alias and id aren't the same. One client is buggy or tries to cheat.");
if (Crypto.ModExp(revealed) != card.Type.key)
Program.Trace.TraceEvent(TraceEventType.Warning, EventIds.Event, "[Reveal] Card identity doesn't match. One client is buggy or tries to cheat.");
}
else
card.Type.mySecret = false;
// Reveal an alias
if (guid == Guid.Empty)
{
// Find the new type
CardIdentity newId = CardIdentity.Find((int)revealed);
// Possibly copy the model, if it was known and isn't anymore
// (possible when the alias has beeen locally revealed)
if (newId.model == null) newId.model = card.Type.model;
// Set the new type
card.Type = newId;
// Delete the old identity
CardIdentity.Delete(oldType.id);
// Possibly reveal the alias further
card.Reveal();
// Raise a notification
oldType.OnRevealed(newId);
}
// Reveal a card's type
else if (card.Type.model == null)
{
card.SetModel(Database.GetCardById(guid));
// Raise a notification
oldType.OnRevealed(oldType);
}
}
