Basketball.java

import java.lang.Math;
import java.util.*;
import java.util.Scanner;

public class Basketball {
    int time = 0;
    int[] score = {0, 0};
    double defense = -1;
    List<Double> defense_choices = Arrays.asList(6.0, 6.5, 7.0, 7.5);
    int shot = -1;
    List<Integer> shot_choices = Arrays.asList(0, 1, 2, 3, 4);
    double opponent_chance = 0;
    String opponent = null;

    public Basketball() {

        // Explains the keyboard inputs
        System.out.println("\t\t\t Basketball");
        System.out.println("This is Hender College basketball. ");
        System.out.println("Υou will be Hender captain and playmaker.");
        System.out.println("Call shots as follows:");
        System.out.println("1. Long (30ft.) Jump Shot; 2. Short (15 ft.) Jump Shot; "
                + "3. Lay up; 4. Set Shot");
        System.out.println("Both teams will use the same defense. Call Defense as follows:");
        System.out.println("6. Press; 6.5 Man-to-Man; 7. Zone; 7.5 None.");
        System.out.println("To change defense, just type 0 as your next shot.");
        System.out.print("Your starting defense will be? ");

        Scanner scanner = new Scanner(System.in); // creates a scanner

        // takes input for a defense
        if (scanner.hasNextDouble()) {
            defense = scanner.nextDouble();
        }
        else {
            scanner.next();
        }

        // makes sure that input is legal
        while (!defense_choices.contains(defense)) {
            System.out.print("Your new defensive alignment is? ");
            if (scanner.hasNextDouble()) {
                defense = scanner.nextDouble();
            }
            else {
                scanner.next();
                continue;
            }
        }

        // takes input for opponent's name
        System.out.print("\nChoose your opponent? ");

        opponent = scanner.next();
        start_of_period();
    }

    // adds points to the score
    // team can take 0 or 1, for opponent or Hender
    private void add_points(int team, int points) {
        score[team] += points;
        print_score();
    }


    private void ball_passed_back() {
        System.out.print("Ball passed back to you. ");
        hender_ball();
    }

    // change defense, called when the user enters 0 for their shot
    private void change_defense() {
        defense = -1;
        Scanner scanner = new Scanner(System.in);

        while (!defense_choices.contains(defense)) {
            System.out.println("Your new defensive alignment is? ");
            if (scanner.hasNextDouble()) {
                defense = (double)(scanner.nextDouble());
            }
            else {
                continue;
            }
        }

        hender_ball();
    }

    // simulates two foul shots for a player and adds the points
    private void foul_shots(int team) {
        System.out.println("Shooter fouled.Two shots.");

        if (Math.random() > .49) {
            if (Math.random() > .75) {
                System.out.println("Both shots missed.");
            }
            else {
                System.out.println("Shooter makes one shot and misses one.");
                score[team] += 1;
            }
        }
        else {
            System.out.println("Shooter makes both shots.");
            score[team] += 2;
        }

        print_score();
    }

    // called when time = 50, starts a new period
    private void halftime() {
        System.out.println("\n   ***** End of first half *****\n");
        print_score();
        start_of_period();
    }

    // prints the current score
    private void print_score() {
        System.out.println("Score:  " + score[1] + " to " + score[0] + "\n");
    }

    // simulates a center jump for possession at the beginning of a period
    private void start_of_period() {
        System.out.println("Center jump");
        if (Math.random() > .6) {
            System.out.println("Hender controls the tap.\n");
            hender_ball();
        }
        else {
            System.out.println(opponent + " controls the tap.\n");
            opponent_ball();
        }
    }

    // called when t = 92
    private void two_minute_warning() {
        System.out.println("   *** Two minutes left in the game ***");
    }

    // called when the user enters 1 or 2 for their shot
    private void hender_jump_shot() {
        time ++;
        if (time == 50) {
            halftime();
        }
        else if (time == 92) {
            two_minute_warning();
        }

        System.out.println("Jump Shot.");
        // simulates chances of different possible outcomes
        if (Math.random() > .341 * defense / 8) {
            if (Math.random() > .682 * defense / 8) {
                if (Math.random() > .782 * defense / 8) {
                    if (Math.random() > .843 * defense / 8) {
                        System.out.println("Charging foul. Hender loses ball.\n");
                    }
                    else {
                        // player is fouled
                        foul_shots(1);
                    }
                    opponent_ball();
                }
                else {
                    if (Math.random() > .5) {
                        System.out.println("Shot is blocked. Ball controlled by " +
                                opponent + ".\n");
                        opponent_ball();
                    }
                    else {
                        System.out.println("Shot is blocked. Ball controlled by Hender.");
                        hender_ball();
                    }
                }
            }
            else {
                System.out.println("Shot is off target.");
                if (defense / 6 * Math.random() > .45) {
                    System.out.println("Rebound to " + opponent + "\n");
                    opponent_ball();
                }
                else {
                    System.out.println("Hender controls the rebound.");
                    if (Math.random() > .4) {
                        if (defense == 6 && Math.random() > .6) {
                            System.out.println("Pass stolen by " + opponent
                                    + ", easy lay up");
                            add_points(0, 2);
                            hender_ball();
                        }
                        else {
                            // ball is passed back to you
                            ball_passed_back();
                        }
                    }
                    else {
                        System.out.println();
                        hender_non_jump_shot();
                    }
                }
            }
        }
        else {
            System.out.println("Shot is good.");
            add_points(1, 2);
            opponent_ball();
        }
    }

    // called when the user enters 0, 3, or 4
    // lay up, set shot, or defense change
    private void hender_non_jump_shot() {
        time ++;
        if (time == 50) {
            halftime();
        }
        else if (time == 92) {
            two_minute_warning();
        }

        if (shot == 4) {
            System.out.println("Set shot.");
        }
        else if (shot == 3) {
            System.out.println("Lay up.");
        }
        else if (shot == 0) {
            change_defense();
        }

        // simulates different outcomes after a lay up or set shot
        if (7/defense*Math.random() > .4) {
            if (7/defense*Math.random() > .7) {
                if (7/defense*Math.random() > .875) {
                    if (7/defense*Math.random() > .925) {
                        System.out.println("Charging foul. Hender loses the ball.\n");
                    }
                    else {
                        System.out.println("Shot blocked. " + opponent + "'s ball.\n");
                    }
                }
                else {
                    foul_shots(1);
                }
                opponent_ball();
            }
            else {
                System.out.println("Shot is off the rim.");
                if (Math.random() > 2/3) {
                    System.out.println("Hender controls the rebound.");
                    if (Math.random() > .4) {
                        System.out.println("Ball passed back to you.\n");
                        hender_ball();
                    }
                    else {
                        hender_non_jump_shot();
                    }
                }
                else {
                    System.out.println(opponent + " controls the rebound.\n");
                    opponent_ball();
                }
            }
        }
        else {
            System.out.println("Shot is good. Two points.");
            add_points(1, 2);
            opponent_ball();
        }
    }


    // plays out a Hender possession, starting with your choice of shot
    private void hender_ball() {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Your shot? ");
        shot = -1;
        if (scanner.hasNextInt()) {
            shot = scanner.nextInt();
        }
        else {
            System.out.println();
            scanner.next();
        }

        while (!shot_choices.contains(shot)) {
            System.out.print("Incorrect answer. Retype it. Your shot?");
            if (scanner.hasNextInt()) {
                shot = scanner.nextInt();
            }
            else {
                System.out.println();
                scanner.next();
            }
        }

        if (time < 100 || Math.random() < .5) {
            if (shot == 1 || shot == 2) {
                hender_jump_shot();
            }
            else {
                hender_non_jump_shot();
            }
        }
        else {
            if (score[0] != score[1]) {
                System.out.println("\n   ***** End Of Game *****");
                System.out.println("Final Score: Hender: " + score[1] + "  "
                        + opponent + ": " + score[0]);
                System.exit(0);
            }
            else {
                System.out.println("\n   ***** End Of Second Half *****");
                System.out.println("Score at end of regulation time:");
                System.out.println("     Hender: " + score[1] + " " +
                        opponent + ": " + score[0]);
                System.out.println("Begin two minute overtime period");
                time = 93;
                start_of_period();
            }
        }
    }

    // simulates the opponents jumpshot
    private void opponent_jumpshot() {
        System.out.println("Jump Shot.");
        if (8/defense*Math.random() > .35) {
            if (8/defense*Math.random() > .75) {
                if (8/defense*Math.random() > .9) {
                    System.out.println("Offensive foul. Hender's ball.\n");
                }
                else {
                    foul_shots(0);
                }
                hender_ball();
            }
            else {
                System.out.println("Shot is off the rim.");
                if (defense/6*Math.random() > .5) {
                    System.out.println(opponent + " controls the rebound.");
                    if (defense == 6) {
                        if (Math.random() > .75) {
                            System.out.println("Ball stolen. Easy lay up for Dartmouth.");
                            add_points(1, 2);
                            opponent_ball();
                        }
                        else {
                            if (Math.random() > .5) {
                                System.out.println();
                                opponent_non_jumpshot();
                            }
                            else {
                                System.out.println("Pass back to " + opponent +
                                        " guard.\n");
                                opponent_ball();
                            }
                        }
                    }
                    else {
                        if (Math.random() > .5) {
                            opponent_non_jumpshot();
                        }
                        else {
                            System.out.println("Pass back to " + opponent +
                                    " guard.\n");
                            opponent_ball();
                        }
                    }
                }
                else {
                    System.out.println("Hender controls the rebound.\n");
                    hender_ball();
                }
            }
        }
        else {
            System.out.println("Shot is good.");
            add_points(0, 2);
            hender_ball();
        }
    }

    // simulates opponents lay up or set shot
    private void opponent_non_jumpshot() {
        if (opponent_chance > 3) {
            System.out.println("Set shot.");
        }
        else {
            System.out.println("Lay up");
        }
        if (7/defense*Math.random() > .413) {
            System.out.println("Shot is missed.");
            if (defense/6*Math.random() > .5) {
                System.out.println(opponent + " controls the rebound.");
                if (defense == 6) {
                    if (Math.random() > .75) {
                        System.out.println("Ball stolen. Easy lay up for Hender.");
                        add_points(1, 2);
                        opponent_ball();
                    }
                    else {
                        if (Math.random() > .5) {
                            System.out.println();
                            opponent_non_jumpshot();
                        }
                        else {
                            System.out.println("Pass back to " + opponent +
                                    " guard.\n");
                            opponent_ball();
                        }
                    }
                }
                else {
                    if (Math.random() > .5) {
                        System.out.println();
                        opponent_non_jumpshot();
                    }
                    else {
                        System.out.println("Pass back to " + opponent + " guard\n");
                        opponent_ball();
                    }
                }
            }
            else {
                System.out.println("Hender controls the rebound.\n");
                hender_ball();
            }
        }
        else {
            System.out.println("Shot is good.");
            add_points(0, 2);
            hender_ball();
        }
    }

    // simulates an opponents' possession
    // #randomly picks jump shot or lay up / set shot.
    private void opponent_ball() {
        time ++;
        if (time == 50) {
            halftime();
        }
        opponent_chance = 10/4*Math.random()+1;
        if (opponent_chance > 2) {
            opponent_non_jumpshot();
        }
        else {
            opponent_jumpshot();
        }
    }

    public static void main(String[] args) {
        Basketball new_game = new Basketball();
    }
}