java HW05

Posted 2021-05-08

import java.lang.System;
import java.util.*;

/**
 * Created by Sahil Pattni on 03-Oct-16.
 */
public class Pokemon {

    private String name;
    private String type = "Fire";
    private int healthPower = 0;
    private double baseAttackPower = 1;
    private static int NUM_POKEMONS = 0;
    public int id;

    public Pokemon(String name, String type, int healthPower, double baseAttackPower) {
        this.name = name;
        this.healthPower = healthPower;
        this.baseAttackPower = baseAttackPower;
        this.type = type;
        id = NUM_POKEMONS;
        NUM_POKEMONS++;

    }

    public String getName() {
        return this.name;
    }

    public int getId() {
        return this.id;
    }

    public int getHealthPower() {
        return healthPower;
    }

    public double getBaseAttackPower() {
        return baseAttackPower;
    }

    public boolean setType(String type) {
        if (type.equalsIgnoreCase("Water")) {
            this.type = "Water";
            return true;
        }
        else if (type.equalsIgnoreCase("Grass")) {
            this.type = "Grass";
            return true;
        }
        else if (type.equalsIgnoreCase("Fire")) {
            this.type = "Fire";
            return true;
        }
        else if (type.equalsIgnoreCase("Electric")) {
            this.type = "Electric";
            return true;
        }

        else {
            return false;
        }
    }

    public String getType() {
        return this.type;
    }

    public boolean setHealthPower(int healthPower) {
        if (healthPower >= 0) {
            this.healthPower = healthPower;
            return true;
        }
        else {
            return false;
        }
    }

    public boolean setBaseAttackPower(double baseAttackPower) {
        if (baseAttackPower > 0) {
            this.baseAttackPower = baseAttackPower;
            return true;
        }
        else {
            return false;
        }
    }

    public String toString() {
        return "Name: " + getName() + "\nID: " + getId() + "\nType: " + getType() + "\nHealth Power (HP): " + getHealthPower() + "\nBase attack power: " + getBaseAttackPower();
    }

    public boolean isDead() {
        if (healthPower == 0) {
            return true;
        }
        else {
            return false;
        }
    }

    public void boostHealthPower(int healthPower) {
        this.healthPower += healthPower;
    }

    public void reduceHealthPower(int healthPower) {
        if (this.healthPower - healthPower < 0) {
            this.healthPower = 0;
        }

        else {
            this.healthPower -= healthPower;
        }
    }

    public static double getAttackMultiplier(Pokemon attacker, Pokemon defender) {
        double factor = 0;


        if (attacker.getType().equals("Grass")) {
            switch (defender.getType()) {
                case "Electric": factor = 1;
                    break;
                case "Water": factor = 2;
                    break;
                case "Fire": factor = 0.5;
                    break;
                case "Grass": factor = 0.5;
                default:
            }
        }
        else if (attacker.getType().equals("Electric")) {
            switch (defender.getType()) {
                case "Water": factor = 2;
                    break;
                case "Fire": factor =  1;
                    break;
                case "Grass": factor = 0.5;
                    break;
                case "Electric": factor = 0.5;
                default:
            }
        }
        else if(attacker.getType().equals("Water")) {
            switch (defender.getType()) {
                case "Electric": factor = 1;
                    break;
                case "Fire": factor = 2;
                    break;
                case "Grass": factor = 0.5;
                    break;
                case "Water": factor = 0.5;
                default:
            }
        }
        else {
            switch (defender.getType()) {
                case "Electric": factor = 1;
                    break;
                case "Water": factor = 0.5;
                    break;
                case "Grass": factor = 2;
                    break;
                case "Fire": factor = 0.5;
                default:
            }
        }

        return factor;
    }

    public static int battle(Pokemon p1, Pokemon p2) {

        int winner;
        System.out.println("\nInitialising battle..\n");
        while (p1.healthPower > 0 && p2.healthPower > 0) {
            p2.reduceHealthPower((int)(p1.baseAttackPower * getAttackMultiplier(p1,p2)));
            p1.reduceHealthPower((int)(p2.baseAttackPower * getAttackMultiplier(p2,p1)));
        }

        if (p1.isDead()) {
            winner = 2;
        }

        else if (p2.isDead()) {
            winner = 1;
        }

        else {
            winner = 0;
        }

        return winner;
    }

    public static int battleOracle(Pokemon p1, Pokemon p2) {
        int winner;
        int p1_health = p1.healthPower;
        int p2_health = p2.healthPower;
        double p1_attack = p1.baseAttackPower;
        double p2_attack = p2.baseAttackPower;

        while (p1_health > 0 || p2_health > 0) {
            p1_health -= (p2_attack * getAttackMultiplier(p2,p1));
            p2_health -= (p1_attack * getAttackMultiplier(p1,p2));
        }

        if (p1_health == 0) {
            winner = 2;
        }

        else if (p2_health == 0) {
            winner = 1;
        }

        else {
            winner = 0;
        }

        return winner;
    }

    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        System.out.println("----- CS180 Pokemon Gym -----");
        //First Pokemon
        System.out.println("Enter the first Pokemon's name:");
        String first_name = s.next();
        System.out.println("Enter the first Pokemon's type:");
        String first_type = s.next();
        first_type = MyUtils.formatStr(first_type);
        System.out.println("Enter the first Pokemon's Health Power (HP):");
        String first_hp = s.next();
        while (!MyUtils.isNumeric(first_hp)) {
            System.out.println("Invalid Health Power (HP) entered. Please re-enter");
            first_hp = s.next();
        }
        int first_hp_int = Integer.parseInt(first_hp);
        System.out.println("Enter the first Pokemon's Base Attack Power:");
        String first_attack = s.next();
        while (!MyUtils.isNumeric(first_attack)) {
            System.out.println("Invalid Base Attack Power. Please re-enter.");
            first_attack = s.next();
        }
        double first_attack_double = Double.parseDouble(first_attack);
        Pokemon p1 = new Pokemon(first_name, "Fire", 0, 1);
        p1.setType(first_type);
        p1.setHealthPower(first_hp_int);
        p1.setBaseAttackPower(first_attack_double);

        //Second Pokemon
        System.out.println("Enter the second Pokemon's name:");
        String second_name = s.next();
        System.out.println("Enter the second Pokemon's type:");
        String second_type = s.next();
        second_type = MyUtils.formatStr(second_type);
        System.out.println("Enter the second Pokemon's Health Power (HP):");
        String second_hp = s.next();
        while (!MyUtils.isNumeric(second_hp)) {
            System.out.println("Invalid Health Power (HP) entered. Please re-enter");
            second_hp = s.next();
        }
        int second_hp_int = Integer.parseInt(second_hp);
        System.out.println("Enter the second Pokemon's Base Attack Power:");
        String second_attack = s.next();
        while (!MyUtils.isNumeric(second_attack)) {
            System.out.println("Invalid Base Attack Power. Please re-enter.");
            second_attack = s.next();
        }
        double second_attack_double = Double.parseDouble(second_attack);
        Pokemon p2 = new Pokemon(second_name, "Fire" , 0, 1);
        p2.setType(second_type);
        p2.setHealthPower(second_hp_int);
        p2.setBaseAttackPower(second_attack_double);

        System.out.println(p1.battle(p1,p2));

        System.out.println("\nFirst Pokemon's stats after the battle: ");
        System.out.println(p1.toString());
        System.out.println("\nSecond Pokemon's stats after the battle: ");
        System.out.println(p2.toString());

        if (p1.battleOracle(p1,p2) == 1) {
            System.out.println("The winner of the battle is " + p1.name);
        }

        else {
            System.out.println("The winner of the battle is " + p2.name);
        }
    }

}