/// <summary>
/// Filter: if the next-but-one player has too few cards, filter out any cards that would skip right to them.
/// </summary>
protected void FilterAnySkipsIfNextButOneWinning(List <Card> possibleCards)
{
if (CurrentHand.Count <= Config.PlayToWinThreshold)
{
// not filtering anything; I'm about to win!
return;
}
bool nextButOnePlayerHasTooFewCards = (
NextButOnePlayer != null &&
CurrentCardCounts.ContainsKey(NextButOnePlayer) &&
CurrentCardCounts[NextButOnePlayer] <= Config.PlayToWinThreshold
);
bool nextPlayerHasTooFewCards = (
NextPlayer != null &&
CurrentCardCounts.ContainsKey(NextPlayer) &&
CurrentCardCounts[NextPlayer] <= Config.PlayToWinThreshold
);
if (nextButOnePlayerHasTooFewCards)
{
int nextButOneCount = CurrentCardCounts[NextButOnePlayer];
if (nextPlayerHasTooFewCards)
{
int nextCount = CurrentCardCounts[NextPlayer];
if (nextCount < nextButOneCount)
{
StrategyLogger.LogDebug(
"both next ({NextPlayer}) and next-but-one ({NextButOnePlayer}) player have <= {CardCountThreshold} cards, but next has fewer ({NextCardCount}) than next-but-one ({NextButOneCardCount}); not filtering out cards that would skip next and make it next-but-one's turn",
NextPlayer, NextButOnePlayer, Config.PlayToWinThreshold, nextCount, nextButOneCount
);
return;
}
StrategyLogger.LogDebug(
"both next ({NextPlayer}) and next-but-one ({NextButOnePlayer}) have <= {CardCountThreshold} cards, but next has more ({NextCardCount}) than next-but-one ({NextButOneCardCount}); filtering out cards that would skip next and make it next-but-one's turn",
NextPlayer, NextButOnePlayer, Config.PlayToWinThreshold, nextCount, nextButOneCount
);
}
else
{
StrategyLogger.LogDebug(
"next-but-one player ({NextButOnePlayer}) has <= {CardCountThreshold} cards and next ({NextPlayer}) is not a danger; filtering out cards that would skip next and make it next-but-one's turn",
NextButOnePlayer, Config.PlayToWinThreshold, NextPlayer
);
}
possibleCards.RemoveAll(c => c.Value == CardValue.DrawTwo || c.Value == CardValue.WildDrawFour || c.Value == CardValue.Skip);
}
}
/// <summary>
/// Filter: if the previous player has too few cards, filter out reverses.
/// </summary>
protected void FilterReverseIfPreviousWinning(List <Card> possibleCards)
{
if (CurrentHand.Count <= Config.PlayToWinThreshold)
{
// not filtering anything; I'm about to win!
return;
}
// PreviousPlayer is null if it would equal NextPlayer otherwise
if (PreviousPlayer != null && CurrentCardCounts.ContainsKey(PreviousPlayer) && CurrentCardCounts[PreviousPlayer] <= Config.PlayToWinThreshold)
{
StrategyLogger.LogDebug(
"previous player ({PreviousPlayer}) has {CardCountThreshold} cards or less ({CardCount}); filtering out reverses",
PreviousPlayer, Config.PlayToWinThreshold, CurrentCardCounts[PreviousPlayer]
);
possibleCards.RemoveAll(c => c.Value == CardValue.Reverse);
}
}
protected virtual void ProcessJsonEvent(JObject evt)
{
var eventName = (string)evt["event"];
CommunicationLogger.LogDebug("received event {EventName}", eventName);
bool playNow = false;
switch (eventName)
{
case CurrentPlayerEventName:
{
// my turn? not my turn? (legacy)
var currentPlayer = (string)evt["player"];
playNow = (currentPlayer == ConnectionManager.MyNickname);
break;
}
case CurrentPlayerOrderEventName:
{
// my turn? not my turn?
var upcomingPlayers = (JArray)evt["order"];
playNow = ((string)upcomingPlayers[0] == ConnectionManager.MyNickname);
NextPlayer = (upcomingPlayers.Count > 1)
? (string)upcomingPlayers[1]
: null;
// if upcomingPlayers.Count <= 2, then NextPlayer == PreviousPlayer
PreviousPlayer = (upcomingPlayers.Count > 2)
? (string)upcomingPlayers.Last
: null;
// if upcomingPlayers.Count <= 2, then NextButOnePlayer == me
NextButOnePlayer = (upcomingPlayers.Count > 2)
? (string)upcomingPlayers[2]
: null;
CurrentPlayers.Clear();
CurrentPlayers.UnionWith(upcomingPlayers.Select(tok => (string)tok));
break;
}
case CardCountsEventName:
{
var cardCounts = (JArray)evt["counts"];
CurrentCardCounts.Clear();
foreach (var playerAndCount in cardCounts.OfType <JObject>())
{
var player = (string)playerAndCount["player"];
var count = (int)playerAndCount["count"];
CurrentCardCounts[player] = count;
}
break;
}
case TopCardEventName:
{
var currentCardName = (string)evt["current_card"];
TopCard = CardUtils.ParseColorAndValue(currentCardName).Value;
break;
}
case HandInfoEventName:
{
var handCards = (JArray)evt["hand"];
CurrentHand = handCards
.Select(e => CardUtils.ParseColorAndValue((string)e))
.Where(cav => cav.HasValue)
.Select(cav => cav.Value)
.ToList();
if (LastHandCount > 0 && Config.ManyCardsCurseThreshold > 0 && CurrentHand.Count - LastHandCount >= Config.ManyCardsCurseThreshold)
{
StrategyLogger.LogDebug("cursing because of overfilled hand");
Curse();
}
LastHandCount = CurrentHand.Count;
break;
}
case CardDrawnEventName:
{
var player = (string)evt["player"];
if (player == ConnectionManager.MyNickname)
{
playNow = true;
}
break;
}
}
if (playNow)
{
PlayACard();
}
}
/// <summary>
/// Strategy: try to destroy the next player if they are close to winning.
/// </summary>
protected StrategyContinuation StrategyDestroyNextPlayerIfDangerous(List <Card> possibleCards)
{
if (NextPlayer == null || !CurrentCardCounts.ContainsKey(NextPlayer))
{
// not sure who my next player is or how many cards they have
return(StrategyContinuation.ContinueToNextStrategy);
}
StrategyLogger.LogDebug("next player {Nickname} has {CardCount} cards", NextPlayer, CurrentCardCounts[NextPlayer]);
if (CurrentCardCounts[NextPlayer] > Config.PlayToWinThreshold)
{
// not dangerous
return(StrategyContinuation.ContinueToNextStrategy);
}
// the player after me has too few cards; try finding an evil card first
StrategyLogger.LogDebug("trying to find an evil card");
// offensive cards first: D2, WD4
possibleCards.AddRange(CurrentHand.Where(hc => hc.Color == TopCard.Color && hc.Value == CardValue.DrawTwo));
possibleCards.AddRange(CurrentHand.Where(hc => hc.Value == CardValue.WildDrawFour));
if (possibleCards.Count == 0)
{
// defensive cards next: S, R
possibleCards.AddRange(CurrentHand.Where(hc =>
hc.Color == TopCard.Color && (
hc.Value == CardValue.Skip ||
hc.Value == CardValue.Reverse
)
));
}
if (possibleCards.Count > 0)
{
StrategyLogger.LogDebug("we have at least one evil card for the next player ({Cards})", possibleCards.StringJoin(", "));
// don't add the next pick
return(StrategyContinuation.SkipAllOtherStrategiesUnlessFilteredEmpty);
}
else if (!DrewLast)
{
if (CurrentHand.Count <= Config.PlayToWinThreshold)
{
StrategyLogger.LogDebug("not risking emergency strategic draw for evil card");
}
else if (Config.EmergencyStrategicDrawPercentage > 0)
{
var emergencyStrategicDraw = (Randomizer.Next(100) < Config.EmergencyStrategicDrawPercentage);
if (emergencyStrategicDraw)
{
StrategyLogger.LogDebug("emergency strategic draw for evil card");
DrawACard();
return(StrategyContinuation.DontPlayCard);
}
else
{
StrategyLogger.LogDebug("skipping emergency strategic draw for evil card");
}
}
}
return(StrategyContinuation.ContinueToNextStrategy);
}
protected virtual void HandleChannelMessage(object sender, IChannelMessageEventArgs args, MessageFlags flags)
{
if (flags.HasFlag(MessageFlags.UserBanned))
{
return;
}
if (args.SenderNickname == ConnectionManager.MyNickname)
{
return;
}
if (Config.UnoChannel != args.Channel)
{
return;
}
if (IsBotCommand(args.Message, "?join"))
{
ConnectionManager.SendChannelMessage(args.Channel, "!botjoin");
// don't curse if the number of cards jumps up from 1 to 7 ;)
LastHandCount = 0;
return;
}
if (IsBotCommand(args.Message, "?leave"))
{
ConnectionManager.SendChannelMessage(args.Channel, "!leave");
return;
}
if (args.Message.StartsWith("??color "))
{
var denyColor = false;
if (!CurrentPlayers.Contains(args.SenderNickname))
{
// player is not taking part
StrategyLogger.LogDebug("denying {Nickname}'s color request because they are a spectator", args.SenderNickname);
denyColor = true;
}
if (CurrentCardCounts.Values.All(v => v > Config.PlayToWinThreshold))
{
// everybody has more than two cards
StrategyLogger.LogDebug("denying {Nickname}'s color request because everybody has more than {CardCount} cards", args.SenderNickname, Config.PlayToWinThreshold);
denyColor = true;
}
if (CurrentCardCounts.ContainsKey(args.SenderNickname) && CurrentCardCounts[args.SenderNickname] <= Config.PlayToWinThreshold)
{
// the person who is asking has two cards or less
StrategyLogger.LogDebug("denying {Nickname}'s color request because they have {CardThreshold} cards or fewer ({CardCount})", args.SenderNickname, Config.PlayToWinThreshold, CurrentCardCounts[args.SenderNickname]);
denyColor = true;
}
if (CurrentHand.Count <= Config.PlayToWinThreshold)
{
// I have two cards or less
StrategyLogger.LogDebug("denying {Nickname}'s color request because I have {CardThreshold} cards or fewer ({CardCount})", args.SenderNickname, Config.PlayToWinThreshold, CurrentHand.Count);
denyColor = true;
}
if (denyColor)
{
ConnectionManager.SendChannelMessageFormat(args.Channel, "Sorry, {0}, no can do.", args.SenderNickname);
return;
}
var colorString = args.Message.Substring(("??color ").Length);
var color = CardUtils.ParseColor(colorString);
if (!color.HasValue || color == CardColor.Wild)
{
ConnectionManager.SendChannelMessage(args.Channel, "Uhh, what color is that?");
return;
}
ColorRequest = color;
// can I change the color?
if (CurrentHand.Any(c => c.Color == CardColor.Wild))
{
ConnectionManager.SendChannelMessageFormat(args.Channel, "Yeah, I think that's doable, {0}.", args.SenderNickname);
}
else if (CurrentHand.Any(c => c.Color == color))
{
ConnectionManager.SendChannelMessageFormat(args.Channel, "No color changers, but I'll try, {0}.", args.SenderNickname);
}
else
{
ConnectionManager.SendChannelMessageFormat(args.Channel, "Ain't got the cards, {0}, but I'll try...", args.SenderNickname);
}
return;
}
var runtimeTweakMatch = RuntimeTweakPattern.Match(args.Message);
if (runtimeTweakMatch.Success)
{
if (!Config.RuntimeTweakable)
{
ConnectionManager.SendChannelMessageFormat(args.Channel, "Sorry, {0}, I'm not allowed to do that.", args.SenderNickname);
return;
}
try
{
ConfigTweaking.TweakConfig(Config, runtimeTweakMatch.Groups["property"].Value, runtimeTweakMatch.Groups["value"].Value);
}
catch (ArgumentException ae)
{
ConnectionManager.SendChannelMessageFormat(args.Channel, "That didn't work out, {0}: {1}", args.SenderNickname, ae.Message);
return;
}
ConnectionManager.SendChannelMessageFormat(args.Channel, "{0}: Done.", args.SenderNickname);
return;
}
}