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实验五


发布时间: 2022-11-24 19:23:00    浏览次数:51 次

实验5.4

#include <iostream>
#include "Pets.hpp"
using namespace std;
void play(MachinePets& obj) {
    std::cout << obj.get_nickname() << " says " << obj.talk() << std::endl;
}
void test() {
    PetCats cat("miku");
    PetDogs dog("da huang");
    play(cat);
    play(dog);
}
int main() {
    test();
}


#pragma once
#include<iostream>
#include<string>
using namespace std;

//基类MachinePets
class MachinePets {
public:
    MachinePets(const string s);
    ~MachinePets() {};
    string get_nickname() { return nickname; };
    virtual string talk()=0;
private:
    string nickname;
};
MachinePets::MachinePets(const string s):nickname {s} {
}


//派生类PetCats
class PetCats :public MachinePets {
public:
    PetCats(const string s);
    ~PetCats() {};
    string talk() { return "miao wu~"; };
};
PetCats::PetCats(const string s) :MachinePets(s) {
}

//派生类PetDogs
class PetDogs :public MachinePets {
public:
    PetDogs(const string s);
    ~PetDogs() {};
    string talk() { return "wang wang~"; };
};
PetDogs::PetDogs(const string s) :MachinePets(s) {
}

实验5.5

#include <iostream>
#include <fstream>
#include <vector>
#include "Person.hpp"
void test() {
    using namespace std;
    vector<Person> phone_book;
    Person p;
    cout << "Enter person's contact until press Ctrl + Z" << endl;
    while (cin >> p)
        phone_book.push_back(p);
    cout << "\nupdate someone's contact: \n";
    phone_book.at(0).update_telephone();
    phone_book.at(0).update_email();
    cout << "\ndisplay all contacts' info\n";
    for (auto& phone : phone_book)
        cout << phone << endl;
    cout << "\ntest whether the same contact\n";
    cout << boolalpha << (phone_book.at(0) == phone_book.at(1)) << endl;
}
int main() {
    test();
}


#pragma once
#include<iostream>
#include<string>
#include<iomanip>
using namespace std;

class Person {
    friend istream& operator>>(istream& is,  Person& p);
    friend ostream& operator<<(ostream& os, Person& p);
    friend bool operator==(Person a, Person b);
public:
    Person();
    Person(string name0,string telephone0,string email0);
    Person(const Person& p);
    void update_telephone();
    void update_email();
    ~Person() {};
private:
    string name, telephone, email;
};
Person::Person() :name{ ' ' }, telephone{ ' ' }, email{' '} {
}
Person::Person(string name0, string telephone0, string email0) :name{ name0 }, telephone{ telephone0 }, email{email0}{
}
Person::Person(const Person& p) : name{ p.name }, telephone{ p.telephone }, email{p.email} {
}
void Person::update_telephone(){
    string tel;
    cout << "Enter the telphone number:";
    cin.clear();
    cin>> tel;
    telephone = tel;
    cout << "telephone number has been updated..."<<endl;
}
void Person::update_email() {
    string ema;
    cout << "Enter the email address:";
    cin.clear();
    cin >> ema;
    email=ema;
    cout << "email address has been updated..."<<endl;
}
ostream& operator<<(ostream& os, Person& p) {
    return os <<left<<setw(12)<< p.name 
                    <<setw(12)<< p.telephone 
                    <<setw(12)<< p.email;
}
istream& operator>>(istream& is, Person& p) {
    is >> p.name>>p.telephone >> p.email;
    cout << endl;
    return is;
}
 bool operator==(Person a, Person b) {
    if (a.name == b.name && a.telephone == b.telephone && a.email == b.email) 
        return true;
    return false;

}

实验5.6

#include <iostream>
#include <string>
#include "swordsman.h"
using namespace std;
int main()
{
    string tempName = "0";
    bool success = 0;        //flag for storing whether operation is successful
    cout << "Please input player's name: ";
    cin >> tempName;        // get player's name from keyboard input
    player* human;// use pointer of base class, convenience for polymorphism
    human = new swordsman(1, tempName);
    int tempJob;        // temp choice for job selection
    do
    {
        cout << "Please choose a job: 1 Swordsman, 2 Archer, 3 Mage" << endl;
        cin >> tempJob;
        system("cls");        // clear the screen
        switch (tempJob)
        {
        case 1:
            delete human;
            human = new swordsman(1, tempName);    // create the character with user inputted name and job
            success = 1;        // operation succeed
            break;
        default:
            break;                // In this case, success=0, character creation failed
        }
    } while (success != 1);        // so the loop will ask user to re-create a character

    int tempCom;            // temp command inputted by user
    int nOpp = 0;                // the Nth opponent
    for (int i = 1; nOpp < 5; i += 2)    // i is opponent's level
    {
        nOpp++;
        system("cls");
        cout << "STAGE" << nOpp << endl;
        cout << "Your opponent, a Level " << i << " Swordsman." << endl;
        system("pause");
        swordsman enemy(i, "Warrior");    // Initialise an opponent, level i, name "Junior"
        human->reFill();                // get HP/MP refill before start fight

        while (!human->death() && !enemy.death())    // no died
        {
            success = 0;
            while (success != 1)
            {
                showinfo(*human, enemy);                // show fighter's information
                cout << "Please give command: " << endl;
                cout << "1 Attack; 2 Special Attack; 3 Use Heal; 4 Use Magic Water; 0 Exit Game" << endl;
                cin >> tempCom;
                switch (tempCom)
                {
                case 0:
                    cout << "Are you sure to exit? Y/N" << endl;
                    char temp;
                    cin >> temp;
                    if (temp == 'Y' || temp == 'y')
                        return 0;
                    else
                        break;
                case 1:
                    success = human->attack(enemy);
                    human->isLevelUp();
                    enemy.isDead();
                    break;
                case 2:
                    success = human->specialatt(enemy);
                    human->isLevelUp();
                    enemy.isDead();
                    break;
                case 3:
                    success = human->useHeal();
                    break;
                case 4:
                    success = human->useMW();
                    break;
                default:
                    break;
                }
            }
            if (!enemy.death())        // If AI still alive
                enemy.AI(*human);
            else                            // AI died
            {
                cout << "YOU WIN" << endl;
                human->transfer(enemy);        // player got all AI's items
            }
            if (human->death())
            {
                system("cls");
                cout << endl << setw(50) << "GAME OVER" << endl;
                delete human;        // player is dead, program is getting to its end, what should we do here?
                system("pause");
                return 0;
            }
        }
    }
    delete human;    // You win, program is getting to its end, what should we do here?
    system("cls");
    cout << "Congratulations! You defeated all opponents!!" << endl;
    system("pause");
    return 0;
}



//=======================
//        swordsman.cpp
//=======================
#include<iostream>
#include"swordsman.h"
using namespace std;
// constructor. default values don't need to be repeated here
swordsman::swordsman(int lv_in, string name_in)
{
    role = sw;    // enumerate type of job
    LV = lv_in;
    name = name_in;

    // Initialising the character's properties, based on his level
    HPmax = 150 + 8 * (LV - 1);        // HP increases 8 point2 per level
    HP = HPmax;
    MPmax = 75 + 2 * (LV - 1);        // MP increases 2 points per level
    MP = MPmax;
    AP = 25 + 4 * (LV - 1);            // AP increases 4 points per level
    DP = 25 + 4 * (LV - 1);            // DP increases 4 points per level
    speed = 25 + 2 * (LV - 1);        // speed increases 2 points per level

    playerdeath = 0;
    EXP = LV * LV * 75;
    bag.set(lv_in, lv_in);
}

void swordsman::isLevelUp()
{
    if (EXP >= LV * LV * 75)
    {
        LV++;
        AP += 4;
        DP += 4;
        HPmax += 8;
        MPmax += 2;
        speed += 2;
        cout << name << " Level UP!" << endl;
        cout << "HP improved 8 points to " << HPmax << endl;
        cout << "MP improved 2 points to " << MPmax << endl;
        cout << "Speed improved 2 points to " << speed << endl;
        cout << "AP improved 4 points to " << AP << endl;
        cout << "DP improved 5 points to " << DP << endl;
        system("pause");
        isLevelUp();    // recursively call this function, so the character can level up multiple times if got enough exp
    }
}

bool swordsman::attack(player& p)
{
    double HPtemp = 0;        // opponent's HP decrement
    double EXPtemp = 0;        // player obtained exp
    double hit = 1;            // attach factor, probably give critical attack
    srand((unsigned)time(NULL));        // generating random seed based on system time

    // If speed greater than opponent, you have some possibility to do double attack
    if ((speed > p.speed) && (rand() % 100 < (speed - p.speed)))        // rand()%100 means generates a number no greater than 100
    {
        HPtemp = (int)((1.0 * AP / p.DP) * AP * 5 / (rand() % 4 + 10));        // opponent's HP decrement calculated based their AP/DP, and uncertain chance
        cout << name << "'s quick strike hit " << p.name << ", " << p.name << "'s HP decreased " << HPtemp << endl;
        p.HP = int(p.HP - HPtemp);
        EXPtemp = (int)(HPtemp * 1.2);
    }

    // If speed smaller than opponent, the opponent has possibility to evade
    if ((speed < p.speed) && (rand() % 50 < 1))
    {
        cout << name << "'s attack has been evaded by " << p.name << endl;
        system("pause");
        return 1;
    }

    // 10% chance give critical attack
    if (rand() % 100 <= 10)
    {
        hit = 1.5;
        cout << "Critical attack: ";
    }

    // Normal attack
    HPtemp = (int)((1.0 * AP / p.DP) * AP * 5 / (rand() % 4 + 10));
    cout << name << " uses bash, " << p.name << "'s HP decreases " << HPtemp << endl;
    EXPtemp = (int)(EXPtemp + HPtemp * 1.2);
    p.HP = (int)(p.HP - HPtemp);
    cout << name << " obtained " << EXPtemp << " experience." << endl;
    EXP = (int)(EXP + EXPtemp);
    system("pause");
    return 1;        // Attack success
}

bool swordsman::specialatt(player& p)
{
    if (MP < 40)
    {
        cout << "You don't have enough magic points!" << endl;
        system("pause");
        return 0;        // Attack failed
    }
    else
    {
        MP -= 40;            // consume 40 MP to do special attack

        //10% chance opponent evades
        if (rand() % 100 <= 10)
        {
            cout << name << "'s leap attack has been evaded by " << p.name << endl;
            system("pause");
            return 1;
        }

        double HPtemp = 0;
        double EXPtemp = 0;
        //double hit=1;            
        //srand(time(NULL));        
        HPtemp = (int)(AP * 1.2 + 20);        // not related to opponent's DP
        EXPtemp = (int)(HPtemp * 1.5);        // special attack provides more experience
        cout << name << " uses leap attack, " << p.name << "'s HP decreases " << HPtemp << endl;
        cout << name << " obtained " << EXPtemp << " experience." << endl;
        p.HP = (int)(p.HP - HPtemp);
        EXP = (int)(EXP + EXPtemp);
        system("pause");
    }
    return 1;    // special attack succeed
}

// Computer opponent
void swordsman::AI(player& p)
{
    if ((HP < (int)((1.0 * p.AP / DP) * p.AP * 1.5)) && (HP + 100 <= 1.1 * HPmax) && (bag.nOfHeal() > 0) && (HP > (int)((1.0 * p.AP / DP) * p.AP * 0.5)))
        // AI's HP cannot sustain 3 rounds && not too lavish && still has heal && won't be killed in next round
    {
        useHeal();
    }
    else
    {
        if (MP >= 40 && HP > 0.5 * HPmax && rand() % 100 <= 30)
            // AI has enough MP, it has 30% to make special attack
        {
            specialatt(p);
            p.isDead();        // check whether player is dead
        }
        else
        {
            if (MP < 40 && HP>0.5 * HPmax && bag.nOfMW())
                // Not enough MP && HP is safe && still has magic water
            {
                useMW();
            }
            else
            {
                attack(p);    // normal attack
                p.isDead();
            }
        }
    }
}


//=======================
//        player.cpp
//=======================
#include<iostream>
#include<iomanip>
#include"player.h"
using namespace std;
// character's HP and MP resume
void player::reFill()
{
    HP = HPmax;        // HP and MP fully recovered
    MP = MPmax;
}

// report whether character is dead
bool player::death()
{
    return playerdeath;
}

// check whether character is dead
void player::isDead()
{
    if (HP <= 0)        // HP less than 0, character is dead
    {
        cout << name << " is Dead." << endl;
        system("pause");
        playerdeath = 1;    // give the label of death value 1
    }
}

// consume heal, irrelevant to job
bool player::useHeal()
{
    if (bag.nOfHeal() > 0)
    {
        HP = HP + 100;
        if (HP > HPmax)        // HP cannot be larger than maximum value
            HP = HPmax;        // so assign it to HPmax, if necessary
        cout << name << " used Heal, HP increased by 100." << endl;
        bag.useHeal();        // use heal
        system("pause");
        return 1;    // usage of heal succeed
    }
    else                // If no more heal in bag, cannot use
    {
        cout << "Sorry, you don't have heal to use." << endl;
        system("pause");
        return 0;    // usage of heal failed
    }
}

// consume magic water, irrelevant to job
bool player::useMW()
{
    if (bag.nOfMW() > 0)
    {
        MP = MP + 100;
        if (MP > MPmax)
            MP = MPmax;
        cout << name << " used Magic Water, MP increased by 100." << endl;
        bag.useMW();
        system("pause");
        return 1;    // usage of magic water succeed
    }
    else
    {
        cout << "Sorry, you don't have magic water to use." << endl;
        system("pause");
        return 0;    // usage of magic water failed
    }
}

// possess opponent's items after victory
void player::transfer(player& p)
{
    cout << name << " got" << p.bag.nOfHeal() << " Heal, and " << p.bag.nOfMW() << " Magic Water." << endl;
    system("pause");
    HP += p.bag.nOfHeal();
    MP += p.bag.nOfMW();
    // set the character's bag, get opponent's items
}

// display character's job
void player::showRole()
{
    switch (role)
    {
    case sw:
        cout << "Swordsman";
        break;
    case ar:
        cout << "Archer";
        break;
    case mg:
        cout << "Mage";
        break;
    default:
        break;
    }
}


// display character's job
void showinfo(player& p1, player& p2)
{
    system("cls");
    cout << "##############################################################" << endl;
    cout << "# Player" << setw(10) << p1.name << "   LV. " << setw(3) << p1.LV
        << "  # Opponent" << setw(10) << p2.name << "   LV. " << setw(3) << p2.LV << " #" << endl;
    cout << "# HP " << setw(3) << (p1.HP <= 999 ? p1.HP : 999) << '/' << setw(3) << (p1.HPmax <= 999 ? p1.HPmax : 999)
        << " | MP " << setw(3) << (p1.MP <= 999 ? p1.MP : 999) << '/' << setw(3) << (p1.MPmax <= 999 ? p1.MPmax : 999)
        << "     # HP " << setw(3) << (p2.HP <= 999 ? p2.HP : 999) << '/' << setw(3) << (p2.HPmax <= 999 ? p2.HPmax : 999)
        << " | MP " << setw(3) << (p2.MP <= 999 ? p2.MP : 999) << '/' << setw(3) << (p2.MPmax <= 999 ? p2.MPmax : 999) << "      #" << endl;
    cout << "# AP " << setw(3) << (p1.AP <= 999 ? p1.AP : 999)
        << " | DP " << setw(3) << (p1.DP <= 999 ? p1.DP : 999)
        << " | speed " << setw(3) << (p1.speed <= 999 ? p1.speed : 999)
        << " # AP " << setw(3) << (p2.AP <= 999 ? p2.AP : 999)
        << " | DP " << setw(3) << (p2.DP <= 999 ? p2.DP : 999)
        << " | speed " << setw(3) << (p2.speed <= 999 ? p2.speed : 999) << "  #" << endl;
    cout << "# EXP" << setw(7) << p1.EXP << " Job: " << setw(7);
    p1.showRole();
    cout << "   # EXP" << setw(7) << p2.EXP << " Job: " << setw(7);
    p2.showRole();
    cout << "    #" << endl;
    cout << "--------------------------------------------------------------" << endl;
    p1.bag.display();
    cout << "##############################################################" << endl;
}


//=======================
//        container.cpp
//=======================
#include"container.h"
#include<iostream>
using namespace std;
// default constructor initialise the inventory as empty
container::container()
{
    set(0, 0);
}

// set the item numbers
void container::set(int heal_n, int mw_n)
{
    numOfHeal = heal_n;
    numOfMW = mw_n;
}

// get the number of heal
int container::nOfHeal()
{
    return numOfHeal;
}

// get the number of magic water
int container::nOfMW()
{
    return numOfMW;
}

// display the items;
void container::display()
{
    cout << "Your bag contains: " << endl;
    cout << "Heal(HP+100): " << numOfHeal << endl;
    cout << "Magic Water (MP+80): " << numOfMW << endl;
}

//use heal
bool container::useHeal()
{
    numOfHeal--;
    return 1;        // use heal successfully
}

//use magic water
bool container::useMW()
{
    numOfMW--;
    return 1;        // use magic water successfully
}


#pragma once
//=======================
//        swordsman.h
//=======================

// Derived from base class player
// For the job Swordsman

#include "player.h"
class swordsman : public player    // subclass swordsman publicly inherited from base player
{
public:
    swordsman(int lv_in = 1, string name_in = "Not Given");
    // constructor with default level of 1 and name of "Not given"
    void isLevelUp();
    bool attack(player& p);
    bool specialatt(player& p);
    /* These three are derived from the pure virtual functions of base class
       The definition of them will be given in this subclass. */
    void AI(player& p);                // Computer opponent
};



//=======================
//        player.h
//=======================

// The base class of player
// including the general properties and methods related to a character

#ifndef _PLAYER
#define _PLAYER
#include<iostream>
#include <iomanip>        // use for setting field width
#include <time.h>        // use for generating random factor
#include "container.h"
using namespace std;
enum job { sw, ar, mg };    /* define 3 jobs by enumerate type
                               sword man, archer, mage */
class player
{
    friend void showinfo(player& p1, player& p2);
    friend class swordsman;

protected:
    int HP, HPmax, MP, MPmax, AP, DP, speed, EXP, LV;
    // General properties of all characters
    string name;    // character name
    job role;        /* character's job, one of swordman, archer and mage,
                       as defined by the enumerate type */
    container bag;    // character's inventory

public:
    virtual bool attack(player& p) = 0;    // normal attack
    virtual bool specialatt(player& p) = 0;    //special attack
    virtual void isLevelUp() = 0;            // level up judgement
    /* Attention!
    These three methods are called "Pure virtual functions".
    They have only declaration, but no definition.
    The class with pure virtual functions are called "Abstract class", which can only be used to inherited, but not to constructor objects.
    The detailed definition of these pure virtual functions will be given in subclasses. */

    void reFill();        // character's HP and MP resume
    bool death();        // report whether character is dead
    void isDead();        // check whether character is dead
    bool useHeal();        // consume heal, irrelevant to job
    bool useMW();        // consume magic water, irrelevant to job
    void transfer(player& p);    // possess opponent's items after victory
    void showRole();    // display character's job

private:
    bool playerdeath;            // whether character is dead, doesn't need to be accessed or inherited
};

#endif


#pragma once
//=======================
//        container.h
//=======================

// The so-called inventory of a player in RPG games
// contains two items, heal and magic water

#ifndef _CONTAINER // Conditional compilation
#define _CONTAINER

class container        // Inventory
{
protected:
    int numOfHeal;            // number of heal
    int numOfMW;            // number of magic water
public:
    container();            // constuctor
    void set(int heal_n, int mw_n);    // set the items numbers
    int nOfHeal();            // get the number of heal
    int nOfMW();            // get the number of magic water
    void display();            // display the items;
    bool useHeal();            // use heal
    bool useMW();            // use magic water
};

#endif

 

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