/// <summary>
/// Get the best moved based on who has the most cards
/// </summary>
/// <param name="possibleCards">A list of possible cards to call</param>
/// <param name="foundMove">An out parameter depending on if a move was found</param>
/// <returns>The best move based on probability</returns>
private CandidateMove GetHandNumberMove(List <int> possibleCards, out bool foundMove)
{
var bmHandNumber = new CandidateMove();
foundMove = false;
int minNum = -1, minIndex = -1;
for (int i = 0; i < handNumbers.Length; i++)
{
if (handNumbers[i] > minIndex)
{
minNum = handNumbers[i];
minIndex = i;
}
}
List <CandidateMove> possibleCandidates = new List <CandidateMove>();
for (int i = 0; i < possibleCards.Count; i++)
{
if (cardProbability[minIndex][possibleCards[i]] > 0)
{
foundMove = true;
bmHandNumber.CardId = possibleCards[i];
bmHandNumber.CardName = NumberCard[possibleCards[i]];
bmHandNumber.HitProbability = cardProbability[minIndex][possibleCards[i]];
bmHandNumber.SenderId = 0;
bmHandNumber.SenderName = "santiago";
bmHandNumber.TargetId = minIndex;
bmHandNumber.TargetName = Players[minIndex];
possibleCandidates.Add(new CandidateMove() // can't add by reference
{
CardId = bmHandNumber.CardId,
CardName = bmHandNumber.CardName,
HitProbability = bmHandNumber.HitProbability,
SenderId = bmHandNumber.SenderId,
SenderName = bmHandNumber.SenderName,
TargetId = bmHandNumber.TargetId,
TargetName = bmHandNumber.TargetName
});
}
}
return(possibleCandidates[new Random().Next(possibleCandidates.Count)]);
}
/// <summary>
/// Get the best move based on who has the card with highest probability
/// </summary>
/// <param name="possibleCards">A list of possible cards to call</param>
/// <param name="foundMove">An out parameter depending on if a move was found</param>
/// <returns>The best move based on probability</returns>
private CandidateMove GetProbabilityMove(List <int> possibleCards, out bool foundMove)
{
// TODO: if there are several cards with equal probability randomize the card to choose
var bmProbability = new CandidateMove();
foundMove = false;
for (var i = 0; i < possibleCards.Count; i++)
{
for (var j = 1; j < cardProbability.Length; j++)
{
if (!(cardProbability[j][possibleCards[i]] > bmProbability.HitProbability))
{
continue;
}
if (cardProbability[j][possibleCards[i]] < minProbabilityThreshold)
{
continue;
}
if (PlayerTeams[Players[j]] == PlayerTeams["santiago"])
{
continue;
}
if (!MoveCostBenefit(new CandidateMove // make sure that the move meets cost-benefit
{
TargetName = Players[j],
CardName = NumberCard[possibleCards[i]]
}))
{
continue;
}
foundMove = true;
bmProbability.TargetId = j;
bmProbability.TargetName = Players[j];
bmProbability.SenderId = 0;
bmProbability.SenderName = "santiago";
bmProbability.CardId = possibleCards[i];
bmProbability.CardName = NumberCard[possibleCards[i]];
bmProbability.HitProbability = cardProbability[j][possibleCards[i]];
}
} // loop through all possible cards and find where the highest probability is
return(bmProbability);
}
/// <summary>
/// Calculate the check if the given moves passes cost benefit analysis
/// </summary>
/// <param name="cc">CandidateMove to check</param>
/// <returns>Returns whether or not the move passes cost benefit</returns>
private bool MoveCostBenefit(CandidateMove cc)
{
return((1.0 - cardProbability[Players.IndexOf(cc.TargetName)][CardIndex[cc.CardName]]) *
CountPossibleLoss(Players.IndexOf(cc.TargetName)) <
cardProbability[Players.IndexOf(cc.TargetName)][CardIndex[cc.CardName]] * riskFactor);
}
/// <summary>
/// Get the best move based on who has a certain amount of a halfsuit
/// </summary>
/// <param name="possibleCards">A list of possible cards to call</param>
/// <param name="foundMove">An out parameter depending on if a move was found</param>
/// <returns>The best move based on the minimum number of cards in a suit</returns>
private CandidateMove GetMinSuitMove(List <int> possibleCards, out bool foundMove)
{
var bmMinSuit = new CandidateMove();
foundMove = false;
int bestPlayerID = 0, bestHalfSuitIndex = 0, minCardsFound = -1;
for (var i = 1; i < haveHalfSuit.Length; i++)
{
// go through each player (except Santiago)
for (var j = 0; j < haveHalfSuit[i].Length; j++)
{
// go through each halfsuit
if (haveHalfSuit[i][j] > minCardsFound)
{
bestHalfSuitIndex = j;
bestPlayerID = i;
minCardsFound = haveHalfSuit[i][j];
}
}
}
var possibleCardCalls = new List <CandidateMove>();
var bestCardProbability = 0.0;
for (var j = 0; j < HalfSuits.Values.ToArray()[bestHalfSuitIndex].Length; j++)
{
int cardIdNum = CardIndex[HalfSuits.Values.ToArray()[bestHalfSuitIndex][j]];
if (!(cardProbability[bestPlayerID][cardIdNum] >= bestCardProbability))
{
continue;
}
if (cardProbability[bestPlayerID][cardIdNum] < minHaveSuitThreshold)
{
continue;
}
if (!possibleCards.Contains(cardIdNum))
{
continue;
}
if (PlayerTeams[Players[bestPlayerID]] == PlayerTeams["santiago"])
{
continue;
}
if (!MoveCostBenefit(new CandidateMove // make sure that the move meets cost-benefit
{
TargetName = Players[bestPlayerID],
CardName = NumberCard[cardIdNum]
}))
{
continue;
}
foundMove = true;
bestCardProbability = cardProbability[bestPlayerID][cardIdNum];
bmMinSuit.CardId = cardIdNum;
bmMinSuit.CardName = NumberCard[cardIdNum];
bmMinSuit.HitProbability = bestCardProbability;
bmMinSuit.SenderId = 0;
bmMinSuit.SenderName = "santiago";
bmMinSuit.TargetId = bestPlayerID;
bmMinSuit.TargetName = Players[bestPlayerID];
possibleCardCalls.Add(new CandidateMove()
{
CardId = bmMinSuit.CardId,
CardName = bmMinSuit.CardName,
HitProbability = bmMinSuit.HitProbability,
SenderId = bmMinSuit.SenderId,
SenderName = bmMinSuit.SenderName,
TargetId = bmMinSuit.TargetId,
TargetName = bmMinSuit.TargetName
});
}
return(foundMove ? possibleCardCalls[new Random().Next(possibleCardCalls.Count)] : null);
}