protected PlayerAction BuyPhase(Player player)
{
// play all treasures
foreach (CardModel card in player.Hand.ToList())
{
if (card.Is(CardType.Treasure))
{
player.PlayTreasure(card);
}
}
List<CardModel> deck = player.Hand.Union(player.Discard.Union(player.Played)).ToList();
IEnumerable<Pile> availableBuys = (from pile in this.GameModel.SupplyPiles where pile.Count > 0 && this.GameModel.GetCost(pile) <= player.Coin && (!pile.CostsPotion || player.Potions > 0) select pile);
double gamePhase = this.GetGamePhase();
while (player.Buys > 0)
{
Pile bestBuy = null;
List<double> evals = new List<double>();
List<double> handEvals = new List<double>();
double bestScore = double.MinValue;
foreach (Pile pile in availableBuys)
{
if (pile.Count == 0 || this.GameModel.GetCost(pile) > player.Coin || (pile.CostsPotion && player.Potions == 0)) continue;
double eval = this.StaticEvalSimple(pile.Card, gamePhase);
if (eval > bestScore)
{
bestScore = eval;
bestBuy = pile;
}
evals.Add(this.StaticEvalSimple(pile.Card, gamePhase));
double handEval = 0;
for (int i = 0; i < 10; i++)
{
List<CardModel> cards = new List<CardModel>();
cards.Add(pile.Card);
for (int j = 0; j < 4; j++)
{
cards.Add(deck[((i + j) * 153431) % deck.Count]);
}
handEval += this.EvaulateHand(cards, gamePhase);
}
handEvals.Add(handEval);
}
double minEval = double.MaxValue, maxEval = double.MinValue;
double minHandEval = double.MaxValue, maxHandEval = double.MinValue;
foreach (double eval in evals)
{
minEval = Math.Min(eval, minEval);
maxEval = Math.Max(eval, maxEval);
}
foreach (double eval in handEvals)
{
minHandEval = Math.Min(eval, minHandEval);
maxHandEval = Math.Max(eval, maxHandEval);
}
int index = 0;
foreach (Pile pile in availableBuys)
{
if (pile.Count == 0 || this.GameModel.GetCost(pile) > player.Coin || (pile.CostsPotion && this.Player.Potions == 0)) continue;
double score = 0;
score += ((evals[index] - minEval) / (maxEval - minEval));
// score += ((handEvals[index] - minHandEval) / (maxHandEval - minHandEval));
if (score > bestScore && evals[index] > 0.0)
{
bestScore = score;
bestBuy = pile;
}
index++;
}
if (bestBuy == null)
{
break;
}
return new PlayerAction() { ActionType = Dominion.ActionType.BuyCard, Pile = bestBuy };
}
return new PlayerAction();
}