public ParContract GetPBNParContract()
{
String contractField = this.board.GetOptimumResult();
if ("Pass".Equals(contractField))
{
return(new ParContract());
}
Match contractMatch = ParScore.pbnContractPattern.Match(contractField);
if (!contractMatch.Success)
{
throw new ParScoreInvalidException("Invalid format for OptimumResult field: " + contractField);
}
String scoreField = this.board.GetOptimumScore();
Match scoreMatch = ParScore.pbnScorePattern.Match(scoreField);
if (!scoreMatch.Success)
{
throw new ParScoreInvalidException("Invalid format for OptimumScore field: " + scoreField);
}
int score = Int16.Parse(scoreMatch.Groups[2].Value);
if ("EW".Equals(scoreMatch.Groups[1].Value))
{
score = -score;
}
ParContract contract = new ParContract(Int16.Parse(contractMatch.Groups[1].Value),
contractMatch.Groups[2].Value[0],
contractMatch.Groups[4].Value[0],
"X".Equals(contractMatch.Groups[3].Value),
score);
return(contract.Validate());
}
private ParContract getHighestMakeableContract(int[,] ddTable, bool forNS = true, bool forEW = true)
{
ParContract contract = new ParContract();
int tricks = 0;
for (int i = 3; i >= 0; i--)
{
if ((i % 2 == 0 && forNS) ||
(i % 2 == 1 && forEW))
{
for (int j = 0; j < 5; j++)
{
int level = ddTable[i, j] - 6;
if (level > contract.Level ||
(level == contract.Level && j > Array.IndexOf(BCalcWrapper.DENOMINATIONS, contract.Denomination)))
{
contract.Level = level;
contract.Denomination = BCalcWrapper.DENOMINATIONS[j];
contract.Declarer = BCalcWrapper.PLAYERS[i];
tricks = ddTable[i, j];
}
}
}
}
String vulnerability = this.board.GetVulnerable().ToUpper();
bool vulnerable = this.determineVulnerability(vulnerability, contract.Declarer);
contract.Score = contract.CalculateScore(tricks, vulnerable);
return(contract);
}
public void SaveParContract(ParContract contract)
{
this.DeleteOptimumScore();
this.WriteOptimumScore(contract); // we're not writing DDS custom fields, just parse them
this.DeleteMinimax();
this.WriteMinimax(contract);
}
public ParContract GetDefense(int[,] ddTable, bool vulnerable)
{
int declarerIndex = Array.IndexOf(BCalcWrapper.PLAYERS, this.Declarer);
int denominationIndex = Array.IndexOf(BCalcWrapper.DENOMINATIONS, this.Denomination);
if (this.Level != 0 && this.Level + 6 <= ddTable[declarerIndex, denominationIndex])
{
List <int> defendersIndexes = new List <int>();
defendersIndexes.Add((declarerIndex + 1) & 3);
defendersIndexes.Add((declarerIndex + 3) & 3);
List <ParContract> possibleDefense = new List <ParContract>();
int scoreSquared = this.Score * this.Score;
for (int i = 0; i < 5; i++)
{
int level = this.Level;
if (i <= denominationIndex)
{
level++;
}
if (level <= 7)
{
foreach (int defender in defendersIndexes)
{
if (level + 6 > ddTable[defender, i])
{
ParContract defense = new ParContract(level, BCalcWrapper.DENOMINATIONS[i], BCalcWrapper.PLAYERS[defender], true, 0);
defense.Score = defense.CalculateScore(ddTable[defender, i], vulnerable);
if (scoreSquared > this.Score * defense.Score)
{
possibleDefense.Add(defense);
}
}
}
}
}
if (possibleDefense.Count > 0)
{
possibleDefense.Sort((x, y) => Math.Abs(x.Score - this.Score).CompareTo(Math.Abs(y.Score - this.Score)));
ParContract optimumDefense = possibleDefense.Last();
possibleDefense = possibleDefense.FindAll(x => x.Score == optimumDefense.Score);
foreach (ParContract defense in possibleDefense)
{
// Lowest from the most profitable sacrifices
if (optimumDefense.Higher(defense))
{
optimumDefense = defense;
}
}
return(optimumDefense);
}
}
return(null);
}
public void WriteMinimax(ParContract contract)
{
String minimax;
if (contract.Score == 0)
{
minimax = "7NS0";
}
else
{
minimax = String.Format("{0}{1}{2}{3}{4}", contract.Level, contract.Denomination, contract.Doubled ? "D" : "", contract.Declarer, contract.Score);
}
this.Fields.Add(new PBNField("Minimax", minimax));
}
public ParContract GetJFRParContract()
{
String parString = this.board.GetMinimax();
Match parMatch = ParScore.jfrContractPattern.Match(parString);
if (!parMatch.Success)
{
throw new ParScoreInvalidException("Invalid format for Minimax field: " + parString);
}
if ("0".Equals(parMatch.Groups[4].Value))
{
return(new ParContract()); // pass-out
}
ParContract contract = new ParContract(Int16.Parse(parMatch.Groups[1].Value),
parMatch.Groups[2].Value[0],
parMatch.Groups[4].Value[0],
"D".Equals(parMatch.Groups[3].Value),
Int16.Parse(parMatch.Groups[5].Value));
return(contract.Validate());
}
static void Main(string[] args)
{
List <String> files = Program.getFiles(args);
List <String> errors = new List <String>();
if (files.Count > 0)
{
foreach (String filename in files)
{
try
{
Console.WriteLine("Analyzing " + filename);
PBNFile file = new PBNFile(filename);
foreach (PBNBoard board in file.Boards)
{
DDTable table = new DDTable(board);
String boardNo;
try
{
boardNo = board.GetNumber();
}
catch (FieldNotFoundException)
{
boardNo = "?";
}
try
{
int[,] ddTable = table.GetDDTable();
if (ddTable != null)
{
Console.WriteLine("Board " + boardNo);
DDTable.PrintTable(ddTable);
ParScore par = new ParScore(board);
ParContract contract = par.GetParContract(ddTable);
Console.WriteLine(contract);
Console.WriteLine();
board.SaveDDTable(ddTable);
board.SaveParContract(contract);
}
else
{
String error = "unable to determine DD table for board " + boardNo;
errors.Add(String.Format("[{0}] {1}", filename, error));
Console.WriteLine("ERROR: " + error);
}
}
catch (DllNotFoundException)
{
throw;
}
catch (Exception e)
{
errors.Add(String.Format("[{0}:{1}] {2}", filename, boardNo, e.Message));
Console.WriteLine("ERROR: " + e.Message);
}
file.WriteBoard(board);
}
file.Save();
}
catch (DllNotFoundException e)
{
errors.Add("libbcalcdds.dll could not be loaded - make sure it's present in application directory!");
Console.WriteLine("ERROR: " + e.Message);
break;
}
catch (Exception e)
{
errors.Add(e.Message);
Console.WriteLine("ERROR: " + e.Message);
}
}
if (errors.Count > 0)
{
Console.WriteLine("Following ERRORs occured:");
foreach (String error in errors)
{
Console.WriteLine(error);
}
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
}
}
}
public override bool Equals(object other)
{
ParContract obj = (ParContract)(other);
return(this.Level == obj.Level && this.Denomination == obj.Denomination && this.Score == obj.Score);
}
public bool Higher(ParContract obj)
{
return(this.Level > obj.Level ||
(this.Level == obj.Level &&
Array.IndexOf(BCalcWrapper.DENOMINATIONS, this.Denomination) > Array.IndexOf(BCalcWrapper.DENOMINATIONS, obj.Denomination)));
}
public ParContract GetDDTableParContract(int[,] ddTable)
{
String dealer = this.board.GetDealer();
String vulnerability = this.board.GetVulnerable().ToUpper();
ParContract nsHighest = this.getHighestMakeableContract(ddTable, true, false);
ParContract ewHighest = this.getHighestMakeableContract(ddTable, false, true);
bool nsPlaying = ("N".Equals(dealer) || "S".Equals(dealer));
if (nsHighest == ewHighest)
{
return(nsPlaying ? nsHighest.Validate() : ewHighest.Validate());
}
ParContract highest = nsHighest.Higher(ewHighest) ? nsHighest : ewHighest;
ParContract otherSideHighest = nsHighest.Higher(ewHighest) ? ewHighest : nsHighest;
nsPlaying = ('N'.Equals(highest.Declarer) || 'S'.Equals(highest.Declarer));
bool defenseVulnerability = this.determineVulnerability(vulnerability, nsPlaying ? 'E' : 'N');
ParContract highestDefense = highest.GetDefense(ddTable, defenseVulnerability);
if (highestDefense != null)
{
// Highest contract has profitable defense
return(highestDefense.Validate());
}
int denominationIndex = Array.IndexOf(BCalcWrapper.DENOMINATIONS, highest.Denomination);
int declarerIndex = Array.IndexOf(BCalcWrapper.PLAYERS, highest.Declarer);
List <int> playerIndexes = new List <int>();
playerIndexes.Add(declarerIndex);
playerIndexes.Add((declarerIndex + 2) & 3);
bool vulnerable = this.determineVulnerability(vulnerability, highest.Declarer);
int scoreSquared = highest.Score * highest.Score;
List <ParContract> possibleOptimums = new List <ParContract>();
for (int i = 0; i < 5; i++)
{
foreach (int player in playerIndexes)
{
int level = highest.Level;
if (i > denominationIndex)
{
level--;
}
while (level > 0)
{
ParContract contract = new ParContract(level, BCalcWrapper.DENOMINATIONS[i], BCalcWrapper.PLAYERS[player], false, 0);
contract.Score = contract.CalculateScore(ddTable[player, i], vulnerable);
if (otherSideHighest.Higher(contract))
{
// Contract is lower than other side's contract
break;
}
if (highest.Score * contract.Score > 0)
{
// Contract makes
if (Math.Abs(contract.Score) >= Math.Abs(highest.Score))
{
// Contract is profitable
ParContract defense = contract.GetDefense(ddTable, defenseVulnerability);
if (defense != null && (contract.Score * contract.Score > contract.Score * defense.Score))
{
// Contract has defense
possibleOptimums.Add(defense);
// So lower contracts will too.
break;
}
else
{
// Contract does not have defense
possibleOptimums.Add(contract);
}
}
else
{
// Contract is not profitable
break;
}
}
level--;
}
}
}
foreach (ParContract contract in possibleOptimums)
{
if ((Math.Abs(contract.Score) > Math.Abs(highest.Score)))
{
// Contract is more profitable
highest = contract;
}
else
{
if (contract.Score == highest.Score)
{
if (highest.Higher(contract))
{
// Equally profitable, but lower
highest = contract;
}
}
}
}
return(highest.Validate());
}
public void WriteOptimumScore(ParContract contract)
{
this.Fields.Add(new PBNField("OptimumScore", String.Format("NS {0}", contract.Score)));
}