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| package net.jacekk.bridge;
|
| public class BridgeCompute {
| // Points for tricks
| protected int tricks[][] = {
| {0, 20, 40, 60, 80, 100, 120, 140}, // minor suits
| {0, 30, 60, 90, 120, 150, 180, 210}, // major suits
| {0, 40, 70, 100, 130, 160, 190, 220} // no trump
| };
|
| // Points for [i] undertricks
| protected int undertricks[][][] = {
| { // non vulnerable
| {0, 50, 100, 150, 200, 250, 300, 350, 400, 450, 500, 550, 600, 650}, // normal
| {0, 100, 300, 500, 700, 900, 1100, 1300, 1500, 1700, 1900, 2100, 2300, 2500}, // double
| {0, 200, 600, 1000, 1400, 1800, 2200, 2600, 3000, 3400, 3800, 4200, 4600, 5000} // redouble
| },
| { // vulnerable
| {0, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300}, // normal
| {0, 200, 500, 800, 1100, 1400, 1700, 2000, 2300, 2600, 2900, 3200, 3500, 3800}, // double
| {0, 400, 1000, 1600, 2200, 2800, 3400, 4000, 4600, 5200, 5800, 6400, 7000, 7600}// redouble
| }
| };
|
| // Points required per Milton Work Point Count
| protected int PC[][][] = {
| { // We: non vulnerable, they: non vulnerable
| {-1400, -1400, -1400, -1400, -1200, -1100, -1000, -900, -700, -600, -490,
| -460, -430, -400, -350, -300, -200, -110, -70, -50, 0,
| 50, 70, 110, 200, 300, 350, 400, 430, 460, 490,
| 600, 700, 900, 1000, 1100, 1200, 1400, 1400, 1400, 1400},
| // We: non vulnerable, they: vulnerable
| {-2100, -2100, -2100, -2100, -1800, -1650, -1500, -1350, -1050, -800, -690,
| -660, -630, -600, -520, -440, -290, -110, -70, -50, 0,
| 50, 70, 110, 200, 300, 350, 400, 430, 460, 490,
| 600, 700, 900, 1000, 1100, 1200, 1400, 1400, 1400, 1400}
| },
| { // We: vulnerable, they: non vulnerable
| {-1400, -1400, -1400, -1400, -1200, -1100, -1000, -900, -700, -600, -490,
| -460, -430, -400, -350, -300, -200, -110, -70, -50, 0,
| 50, 70, 110, 290, 440, 520, 600, 630, 660, 690,
| 800, 1050, 1350, 1500, 1650, 1800, 2100, 2100, 2100, 2100},
| // We: vulnerable, they: vulnerable
| {-2100, -2100, -2100, -2100, -1800, -1650, -1500, -1350, -1050, -800, -690,
| -660, -630, -600, -520, -440, -290, -110, -70, -50, 0,
| 50, 70, 110, 290, 440, 520, 600, 630, 660, 690,
| 800, 1050, 1350, 1500, 1650, 1800, 2100, 2100, 2100, 2100}
| }
| };
|
| // Points required for [i] IMPs
| protected int IMPs[] = { 0, 20, 50, 90, 130, 170, 220, 270, 320, 370, 430, 500, 600, 750, 900,
| 1100, 1300, 1500, 1750, 2000, 2250, 2500, 3000, 3500, 4000, 9999999};
|
|
| // percent* properties are related to scoring system by Adam Królik
| // See: http://www.gplewniak.republika.pl/strony/zapis.html
|
| // Points received - [i] used to access row from percent variable
| protected int percent_points[][] = {
| {0, 50, 90, 120, 150, 180, 210, 300, 400, 430, 460, 490, 520, 800, 920, 940, 980, 990,
| 1020, 1400, 1440, 1520, 1530, 9999999}, // non vulnerable
| {0, 50, 90, 120, 150, 180, 210, 500, 600, 360, 660, 690, 720, 810, 1370, 1390, 1430,
| 1440, 1470, 1700, 2000, 2220, 2230, 9999999} // vulnerable
| };
|
| // Work Point Count - [i] used to access column from property percent
| protected int percent_PC[] = {0, 6, 10, 16, 21, 25, 31, 35, 9999999};
|
| // Percent score per [i] - points scored, [j] - PC had
| protected int percent[][] = {
| {-1, -1, -1, 50, 44, 26, 8, 0},
| {83, 74, 65, 56, 47, 29, 11, 0},
| {86, 77, 68, 59, 50, 32, 14, 0},
| {89, 80, 71, 62, 53, 35, 17, 0},
| {92, 83, 74, 65, 56, 38, 20, 2},
| {95, 86, 77, 68, 59, 41, 23, 5},
| {98, 89, 80, 71, 62, 44, 26, 8},
| {100, 92, 83, 74, 65, 47, 29, 11},
| {100, 95, 86, 77, 68, 50, 32, 14},
| {100, 98, 89, 80, 71, 53, 35, 17},
| {100, 100, 92, 83, 74, 56, 38, 20},
| {100, 100, 95, 86, 77, 59, 41, 23},
| {100, 100, 98, 89, 80, 62, 44, 26},
| {100, 100, 100, 92, 83, 65, 47, 29},
| {100, 100, 100, 95, 86, 68, 50, 32},
| {100, 100, 100, 98, 89, 71, 53, 35},
| {100, 100, 100, 100, 92, 74, 56, 38},
| {100, 100, 100, 100, 95, 77, 59, 41},
| {100, 100, 100, 100, 98, 80, 62, 44},
| {100, 100, 100, 100, 100, 83, 65, 47},
| {100, 100, 100, 100, 100, 86, 68, 50},
| {100, 100, 100, 100, 100, 89, 71, 53},
| {100, 100, 100, 100, 100, 100, 95, 90}
| };
|
| // Finds IMP score for points given (using IMPs property)
| protected int IMP(int points) {
| int i = 0;
| while (IMPs[i + 1] <= points) {
| i++;
| }
| return i;
| }
|
| // Finds percent score for data given (using percent* properties)
| protected int percent(int PC, int points, int vulnerability) {
| int points_i = 0;
| int PC_i = 0;
|
| while (this.percent_points[vulnerability][points_i + 1] <= points) {
| points_i++;
| }
|
| while (this.percent_PC[PC_i + 1] <= PC) {
| PC_i++;
| }
|
| return this.percent[points_i][PC_i];
| }
|
| public BridgeResult compute(int bid, int color, int dbl, int vulnerability, int PC, int tricks) {
| BridgeResult result = new BridgeResult();
| int weVulnerable = vulnerability / 2;
| int theyVulnerable = vulnerability % 2;
|
| // 4 passes
| if (bid == 0) {
| result.pointsFor = BridgeResult.PointsFor.Them;
| result.points = this.PC[weVulnerable][theyVulnerable][PC];
| result.IMPs = this.IMP(result.points);
| result.percent = 100 - this.percent(PC, 0, weVulnerable);
|
| return result;
| }
|
|
| // Result in points
| int resultPoints;
| // Points for tricks
| int pointsForTricks;
| // Result minus points required, according to PC property
| int pointsForScoring;
|
| // Number of overtricks (or undertricks if negative)
| int additionalTricks = tricks - 6 - bid;
|
| // Double/redouble multiplier
| int multiplier = dbl + 1;
| if (multiplier == 3) {
| multiplier = 4;
| }
|
| // Contract made
| if (additionalTricks >= 0) {
| // Ordinary contract
| if (multiplier == 1) {
| pointsForTricks = this.tricks[color][bid];
| resultPoints = this.tricks[color][tricks - 6];
| }
| // Contract doubled/redoubled
| else {
| pointsForTricks = this.tricks[color][bid] * multiplier;
| resultPoints = pointsForTricks;
|
| // Bonus for winning doubled/redoubled contract
| resultPoints += 25 * multiplier;
| // For overtricks
| resultPoints += additionalTricks * (weVulnerable == 0 ? 50 : 100) * multiplier;
| }
|
| if (bid == 6) {
| // Bonus for small slam
| resultPoints += (weVulnerable == 0 ? 500 : 750);
| } else if (bid == 7) {
| // Bonus for grand slam
| resultPoints += (weVulnerable == 0 ? 1000 : 1500);
| }
|
| if (pointsForTricks >= 100) {
| // Bonus for game
| resultPoints += (weVulnerable == 0 ? 300 : 500);
| } else {
| // Bonus for part-game
| resultPoints += 50;
| }
| }
| // Contract defeated
| else {
| // Points for undertricks (for defending side)
| resultPoints = -1 * this.undertricks[weVulnerable][dbl][-1 * additionalTricks];
| }
|
| // Deduct points required
| pointsForScoring = resultPoints - this.PC[weVulnerable][theyVulnerable][PC];
|
| // Score for defeaters
| if (pointsForScoring < 0) {
| result.pointsFor = BridgeResult.PointsFor.Them;
| result.pointsBefore = -1 * resultPoints;
| result.points = -1 * pointsForScoring;
| result.IMPs = IMP(result.points);
| if (resultPoints < 0) {
| result.percent = percent(40 - PC, -1 * resultPoints, theyVulnerable);
| } else {
| result.percent = 100 - percent(PC, resultPoints, weVulnerable);
| }
| }
| // Score for declarers
| else {
| result.pointsFor = BridgeResult.PointsFor.Us;
| result.pointsBefore = resultPoints;
| result.points = pointsForScoring;
| result.IMPs = IMP(result.points);
| if (resultPoints > 0) {
| result.percent = percent(PC, resultPoints, weVulnerable);
| } else {
| result.percent = 100 - percent(40 - PC, -1 * resultPoints, theyVulnerable);
| }
| }
|
| return result;
| }
| }
|
|
