protected virtual CardColor PickAColor()
{
var colorsToChoose = new List <CardColor>();
if (ColorRequest.HasValue)
{
// we have a pending color request; honor it
var color = ColorRequest.Value;
StrategyLogger.LogDebug("honoring color request {Color}", color);
ColorRequest = null;
return(color);
}
// -> add all four colors once to allow for some chaotic color switching
colorsToChoose.Add(CardColor.Red);
colorsToChoose.Add(CardColor.Green);
colorsToChoose.Add(CardColor.Blue);
colorsToChoose.Add(CardColor.Yellow);
// -> add all the (non-wild) colors from our hand to increase the chances of a useful pick
var handColors = CurrentHand.Select(c => c.Color).Where(c => c != CardColor.Wild).ToList();
for (int i = 0; i < Config.ColorInHandPreference; ++i)
{
colorsToChoose.AddRange(handColors);
}
// -> choose at random
return(colorsToChoose[Randomizer.Next(colorsToChoose.Count)]);
}
protected virtual void PlayACard()
{
var possibleCards = new List <Card>();
var strategies = AssembleStrategies();
var filters = AssembleFilters();
StrategyLogger.LogDebug("current hand: [{HandCards}]", CurrentHand.Select(c => c.Color + " " + c.Value).StringJoin(", "));
if (Config.DrawAllTheTime && !DrewLast)
{
DrawACard();
return;
}
// apply strategies
foreach (var strategy in strategies)
{
var continuation = strategy(possibleCards);
if (continuation == StrategyContinuation.SkipAllOtherStrategies)
{
break;
}
// apply filters
foreach (var filter in filters)
{
filter(possibleCards);
}
if (continuation == StrategyContinuation.ContinueToNextStrategy)
{
continue;
}
else if (continuation == StrategyContinuation.DontPlayCard)
{
return;
}
else if (continuation == StrategyContinuation.SkipAllOtherStrategiesUnlessFilteredEmpty)
{
if (possibleCards.Any())
{
break;
}
else
{
continue;
}
}
}
// perform the final pick
var maybeCard = PerformFinalPick(possibleCards);
if (maybeCard.HasValue)
{
// final pick chose a card
var card = maybeCard.Value;
StrategyLogger.LogDebug("playing card: {CardColor} {CardValue}", card.Color, card.Value);
if (card.Color == CardColor.Wild)
{
// pick a color
var chosenColor = PickAColor();
StrategyLogger.LogDebug("chosen color: {Color}", chosenColor);
// play the card
PlayWildCard(card.Value, chosenColor);
}
else
{
// play it
PlayColorCard(card);
}
ColorRequest = null;
DrewLast = false;
DrawsSinceLastPlay = 0;
return;
}
if (DrewLast)
{
StrategyLogger.LogDebug("passing");
PassAfterDrawing();
ColorRequest = null;
}
else
{
if (Config.ManyDrawsCurseThreshold >= 0 && DrawsSinceLastPlay > Config.ManyDrawsCurseThreshold)
{
StrategyLogger.LogDebug("cursing because of too many draws");
Curse();
}
StrategyLogger.LogDebug("drawing");
DrawACard();
}
}
