实验五

task4

main.cpp:

#include <iostream>
#include <string>
using namespace std;
#include  <stdlib.h>
#include "pets.h"
MachinePets::MachinePets(string s/*="nameless"*/) :nickname(s) {}
string MachinePets::getNickname() {
    return nickname;
}
PetCats::PetCats(const string s) :MachinePets(s) {
}
string PetCats::talk() {
    return "meow~";
}
PetDogs::PetDogs(const string s) :MachinePets(s) {}
string PetDogs::talk() {
    return "rao~";
}
void play(MachinePets* pet) {
    cout << pet->getNickname() << ' ' << "says" << ' ' << pet->talk() << endl;
}
int main()
{
    PetCats cat("xiro neko");
    PetDogs dog("dogmeat");
    play(&cat); // 按照play()形参，传递参数
    play(&dog); // 按照play()形参，传递参数
    return 0;
}

pets.hpp:

#pragma once
#include<iostream>
#include<string>
using namespace std;
class MachinePets {
    public:
        MachinePets(const string pe):nickname(pe) {}
        string get_nickname()const {
            return nickname;
        }
        virtual string talk()=0;
    private:
        string nickname;
};
class PetCats:public MachinePets {
    public:
        PetCats(const string pe):MachinePets(pe) {}
        string talk() {
            return "miao wu~";
        }
};
class PetDogs:public MachinePets {
    public:
        PetDogs(const string pe):MachinePets(pe) {}
        string talk() {
            return "wang wang~";
        }
};

 task5

main.cpp:

#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();
}

 

Person.hpp:

#pragma once
#include<iostream>
#include<string>
#include<iomanip>
using namespace std;
class Person {
    public:
        Person() {}
        Person(string name0,string tele,string ema=""):name(name0),telephone(tele),email(ema) {}
        Person(const Person &p) {
            name=p.name;
            telephone=p.telephone;
            email=p.email;
        }
        void update_telephone();
        void update_email();
        friend std::ostream &operator<<(std::ostream &out,   Person &p);
        friend std::istream &operator>>(std::istream &in,   Person &p);
        friend bool operator==(const Person &p1,const Person &p2);
    private:
        string name;
        string telephone;
        string email;
};
void Person::update_telephone() {
    cout << "Enter the telephone number:";
    cin.clear();
    cin >> telephone;
    cout << "telephone number has been updated..." << endl;
}
void Person::update_email() {
    cout << "Enter the email:";
    cin.clear();
    cin >> email;
    cout << "email has been updated..." << endl;
}
std::ostream &operator<<(std::ostream &out,Person &p) {
    out << left << setw(18) << p.name << setw(18) << p.telephone << setw(18) << p.email;
    return out;
}
std::istream &operator>>(std::istream &in,Person &p) {
    getline(in,p.name);
    getline(in,p.telephone);
    getline(in,p.email);
    cout <<endl;
    return in;
}
bool operator==(const Person &p1,const Person &p2) {
    return (p1.name==p2.name && p1.telephone==p2.telephone && p1.email==p2.email);
}

 

 task6

main.cpp:

//=======================
//        main.cpp
//=======================

// main function for the RPG style game

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

#include "swordsman.h"


int main() {
    string tempName;
    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
    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:
                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;
                human = nullptr;        // 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;
}

 

container.cpp:

//=======================
//        container.cpp
//=======================
#include "container.h"
#include <iostream>
using std::cout;
using std::endl;
// 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
}

 

container.h:

//=======================
//        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
       friend class player;
        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

 

player.cpp:

//=======================
//        player.cpp
//=======================
#include "player.h"
#include "container.h"
#include <iostream>
#include <iomanip>

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");
    bag.set(bag.numOfHeal + p.bag.nOfHeal(),bag.numOfMW + 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;
}

 

player.h:

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

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

#ifndef _PLAYER
#define _PLAYER

#include <iomanip>        // use for setting field width
#include <time.h>        // use for generating random factor
#include "container.h"
using std::string;
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

 

swordsman.cpp:

//=======================
//        swordsman.cpp
//=======================
#include "swordsman.h"
#include <iostream>
using std::cout;
using std::endl;
// 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();
            }
        }
    }
}

 

swordsman.h:

//=======================
//        swordsman.h
//=======================
 
// Derived from base class player
// For the job Swordsman
#ifndef _SWORDSMAN
#include "player.h"
#define _SWORDSMAN
 
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
};
#endif