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; } }