diff options
Diffstat (limited to 'ParScore.cs')
| -rw-r--r-- | ParScore.cs | 105 |
1 files changed, 104 insertions, 1 deletions
diff --git a/ParScore.cs b/ParScore.cs index 5895823..b1561fc 100644 --- a/ParScore.cs +++ b/ParScore.cs @@ -75,6 +75,102 @@ namespace BCDD return contract.Validate();
}
+ private bool determineVulnerability(String vulnerability, char declarer)
+ {
+ vulnerability = vulnerability.ToUpper();
+ return "ALL".Equals(vulnerability) || "BOTH".Equals(vulnerability)
+ || (!"LOVE".Equals(vulnerability) && !"NONE".Equals(vulnerability) && vulnerability.Contains(declarer));
+ }
+
+ private ParContract getHighestMakeableContract(int[,] ddTable, bool forNS = true, bool forEW = true)
+ {
+ ParContract contract = new ParContract();
+ int tricks = 0;
+ for (int i = 0; i < 4; 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)
+ {
+ 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 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();
+ }
+ bool defenseVulnerability = this.determineVulnerability(vulnerability, nsPlaying ? 'E' : 'N');
+ ParContract highest = nsHighest.Higher(ewHighest) ? nsHighest : ewHighest;
+ ParContract highestDefense = highest.GetDefense(ddTable, defenseVulnerability);
+ if (highestDefense != null)
+ {
+ 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 (scoreSquared < contract.Score * highest.Score)
+ {
+ possibleOptimums.Add(contract.GetDefense(ddTable, defenseVulnerability) ?? contract);
+ }
+ else
+ {
+ break;
+ }
+ level--;
+ }
+ }
+ }
+ foreach (ParContract contract in possibleOptimums)
+ {
+ if (Math.Abs(contract.Score) > Math.Abs(highest.Score) || (contract.Score == highest.Score && contract.Higher(highest)))
+ {
+ highest = contract;
+ }
+ }
+ return highest.Validate();
+ }
+
public ParContract GetParContract(int[,] ddTable)
{
try
@@ -83,7 +179,14 @@ namespace BCDD }
catch (FieldNotFoundException)
{
- return this.GetPBNParContract();
+ try
+ {
+ return this.GetPBNParContract();
+ }
+ catch (FieldNotFoundException)
+ {
+ return this.GetDDTableParContract(ddTable);
+ }
}
}
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