实验5 模板类与多态

四、实验结论

1.实验任务1

子任务1.2

Complex.hpp源码:

 1 #ifndef COMPLEX_HPP
 2 #define COMPLEX_HPP
 3 
 4 #include<iostream>
 5 
 6 using namespace std;
 7 
 8 class Complex {
 9     private:
10         double real;
11         double imag;
12     public:
13         Complex(double real0=0,double imag0=0):real {real0},imag {imag0} {}
14         Complex(const Complex &obj):real(obj.real),imag(obj.imag) {}
15 
16         double get_real()const;
17         double get_imag()const;
18 
19         Complex &operator+=(const Complex &obj);
20 
21         friend Complex operator+(Complex obj1,Complex obj2);
22         friend bool operator==(const Complex &obj1,const Complex &obj2);
23 
24         friend ostream &operator<<(ostream &out,const Complex &obj);
25         friend istream &operator>>(istream &in,Complex &obj);
26 };
27 
28 double Complex::get_real()const {
29     return real;
30 }
31 double Complex::get_imag()const {
32     return imag;
33 }
34 
35 Complex &Complex::operator+=(const Complex &obj) {
36     real=real+obj.real;
37     imag=imag+obj.imag;
38     return *this;
39 }
40 
41 Complex operator+(Complex obj1,Complex obj2) {
42     return Complex(obj1.real+obj2.real,obj1.imag+obj2.imag);
43 }
44 bool operator==(const Complex &obj1,const Complex &obj2) {
45     if(obj1.real==obj2.real&&obj1.imag==obj2.imag) return true;
46     else return false;
47 }
48 
49 ostream &operator<<(ostream &out,const Complex &obj) {
50     out<<"("<<obj.real<<","<<obj.imag<<")"<<endl;
51     return out;
52 }
53 istream &operator>>(istream &in,Complex &obj) {
54     cout<<"input format:a+bi"<<endl;
55     double real0,imag0;
56     char sign,i;
57     in>>real0>>sign>>imag0>>i;
58     if(imag0==0) {
59         obj.imag=0;
60     } else {
61         sign=='-'?obj.imag=-imag0:obj.imag=imag0;
62     }
63     obj.real=real0;
64     return in;
65 }
66 #endif

 Complex.cpp源码:

 1 #include"Complex.hpp"
 2 #include<iostream>
 3 
 4 using namespace std;
 5 
 6 int main() {
 7     Complex c1(1,2);//构造函数 
 8     Complex c2(c1);//复制构造函数 
 9     
10     cout<<"c1"<<c1;//<<已经重载 
11     cout<<"c2"<<c2;
12     
13     Complex c3;
14     cin>>c3;//>>已经重载 
15     cout<<"c3"<<c3; 
16     
17     Complex c4;
18     c4=c1+c2;//+已经重载
19     cout<<endl<<"c4=c1+c2"<<endl<<"c4"<<c4; 
20     
21     c3+=c1;
22     cout<<endl<<"c3+=c1"<<endl<<"c3"<<c3;//+=已经重载
23     
24     cout<<endl<<"c3==c4:"<<boolalpha<<(c3==c4);//==已经重载 
25 }

测试结果:

实验5 模板类与多态

 

子任务1.3

Complex_Template.hpp源码:

 1 #ifndef COMPLEX_TEMPLATE
 2 #define COMPLEX_TEMPLATE
 3 
 4 #include<iostream>
 5 
 6 using namespace std;
 7 
 8 template<typename T>
 9 class Complex {
10     private:
11         T real;
12         T imag;
13     public:
14         Complex(T real0=0,T imag0=0):real(real0),imag(imag0) {}
15         Complex(const Complex<T> &obj):real(obj.real),imag(obj.imag){}
16         
17         T get_real() const {return real;}
18         T get_imag() const {return imag;}
19 
20         Complex<T> operator+=(const Complex<T> &obj);
21 
22         template<typename T1>
23         friend Complex<T1> operator+(const Complex<T1> &obj1,const Complex<T1> &obj2);
24 
25         template<typename T1>
26         friend bool operator==(const Complex<T1> &obj1,const Complex<T1> &obj2);
27 
28         template<typename T1>
29         friend ostream &operator<<(ostream &out,const Complex<T1> &obj);
30 
31         template<typename T1>
32         friend istream &operator>>(istream &in,Complex<T1> &obj);
33 };
34 
35 template<typename T>
36 Complex<T> Complex<T>::operator+=(const Complex<T> &obj) {
37     real+=obj.real;
38     imag+=obj.imag;
39 }
40 
41 template<typename T1>
42 Complex<T1> operator+(const Complex<T1> &obj1,const Complex<T1> &obj2) {
43     return Complex<T1>(obj1.real+obj2.real,obj1.imag+obj2.imag);
44 }
45 
46 template<typename T1>
47 bool operator==(const Complex<T1> &obj1,const Complex<T1> &obj2) {
48     if(obj1.real==obj2.real&&obj1.imag==obj2.imag)
49         return true;
50     else
51         return false;
52 }
53 
54 template<typename T1>
55 ostream &operator<<(ostream &out,const Complex<T1> &obj){
56     out<<"("<<obj.real<<","<<obj.imag<<")"<<endl;
57     return out;
58 }
59 
60 template<typename T1>
61 istream &operator>>(istream &in,Complex<T1> &obj){
62     cout<<"format:a+bi"<<endl;
63     double a,b;
64     char sign,I;
65     in>>a>>sign>>b>>I;
66     if(b!=0){
67         sign=='+'?obj.imag=b:obj.imag=-b;
68     }
69     obj.real=a;
70     return in;
71 }
72 
73 #endif

Complex_Template.cpp源码:

 1 #include"Complex_Template.hpp"
 2 
 3 int main(){
 4     Complex<int> c1(1,1);
 5     cout<<"c1"<<c1<<endl;
 6     Complex<double> c2(1.5,1.5);
 7     cout<<"c2"<<c2<<endl;//int,double都可以 
 8     
 9     Complex<double> c3;
10     cin>>c3; //>>可以用 
11     cout<<"c3"<<c3<<endl;//<<可以用 
12     
13     Complex<double> c4;
14     c4=c2+c3;
15     cout<<"c4=c2+c3"<<endl;
16     cout<<"c4"<<c4<<endl;//+可以用 
17     
18     Complex<int> c5(c1);
19     cout<<"c5=c1"<<endl<<"c5"<<c5;
20     c1+=c5;
21     cout<<"c1+=c5"<<endl;
22     cout<<"c1"<<c1<<endl;//+=可以用 
23     
24     cout<<"c1==c5"<<endl<<boolalpha<<(c1==c5)<<endl<<endl;//==可以用
25     
26     Complex<double> c6(3,3);
27     cout<<"c6"<<c6;
28     cout<<"c4==c6"<<endl<<boolalpha<<(c4==c6)<<endl; 
29 }

测试结果:

实验5 模板类与多态

 

2. 实验任务2

Person.hpp源码:

 1 #ifndef PERSON_HPP
 2 #define PERSON_HPP
 3 
 4 #include<iostream>
 5 #include<string>
 6 #include<iomanip>
 7 
 8 using namespace std;
 9 
10 class Person {
11     public:
12         string name;
13         string telephone;
14         string email;
15         Person();
16         Person(string name0,string telephone0,string email0="");
17         void change_telephone();
18         void change_email();
19         friend istream & operator>>(istream & in,Person & obj);
20         friend ostream & operator<<(ostream & out,const Person & obj);
21         friend bool operator==(const Person & obj1,const Person & obj2);
22 };
23 
24 Person::Person(){}
25 Person::Person(string name0,string telephone0,string email0/*=""*/):name(name0),telephone(telephone0),email(email0) {}
26 
27 void Person::change_telephone() {
28     string new_telephone;
29     cin>>new_telephone;
30     this->telephone=new_telephone;
31 }
32 void Person::change_email() {
33     string new_email;
34     cin>>new_email;
35     this->email=new_email;
36 }
37 
38 istream & operator>>(istream & in,Person & obj) {
39     cin>>ws;
40     getline(in,obj.name);
41     in>>obj.telephone;
42     in>>obj.email;
43     return in;
44 }
45 ostream & operator<<(ostream & out,const Person & obj) {
46     out<<setw(20)<<left<<obj.name<<setw(20)<<left<<obj.telephone<<setw(20)<<left<<obj.email;
47     return out;
48 }
49 bool operator==(const Person & obj1,const Person & obj2) {
50     if(obj1.name==obj2.name&&obj1.telephone==obj2.telephone)
51         return true;
52     else
53         return false;
54 }
55 
56 #endif

task2.cpp源码:

 1 #include <iostream>
 2 #include <fstream>
 3 #include <vector>
 4 #include "Person.hpp"
 5 
 6 int main()
 7 {
 8     using namespace std;
 9 
10     vector<Person> phone_book;
11     Person p;
12 
13     while(cin>>p)
14         phone_book.push_back(p);
15     
16     for(auto &i: phone_book)
17         cout << i << endl;
18     
19     cout << boolalpha << (phone_book.at(0) == phone_book.at(1)) << endl;
20 
21     ofstream fout;
22 
23     fout.open("phone_book.txt"); 
24 
25     if(!fout.is_open())
26     {
27         cerr << "fail to open file phone_book.txt\n";
28         return 1;
29     }
30 
31     for(auto &i: phone_book)
32         fout << i << endl;
33     
34     fout.close();
35 }

测试结果:

实验5 模板类与多态

 实验5 模板类与多态

答①:operator<<(cout,i);

答②:operator<<(fout,i);

 

3.实验任务3

container.h源码:

 1 //=======================
 2 //        container.h
 3 //=======================
 4 
 5 // The so-called inventory of a player in RPG games
 6 // contains two items, heal and magic water
 7 
 8 //1_?????????????        // Conditional compilation
 9 #ifndef _CONTAINER
10 #define _CONTAINER
11 
12 class container        // Inventory
13 {
14 protected:
15     int numOfHeal;            // number of heal
16     int numOfMW;            // number of magic water
17 public:
18     container();            // constuctor
19     void set(int heal_n, int mw_n);    // set the items numbers
20     int nOfHeal();            // get the number of heal
21     int nOfMW();            // get the number of magic water
22     void display();            // display the items;
23     bool useHeal();            // use heal
24     bool useMW();            // use magic water
25 };
26 
27 #endif

container.cpp源码:

 1 //=======================
 2 //        container.cpp
 3 //=======================
 4 
 5 // default constructor initialise the inventory as empty
 6 #include"container.h"
 7 #include<iostream>
 8 
 9 using namespace std;
10 
11 container::container()
12 {
13     set(0,0);
14 }
15 
16 // set the item numbers
17 void container::set(int heal_n, int mw_n)
18 {
19     numOfHeal=heal_n;
20     numOfMW=mw_n;
21 }
22 
23 // get the number of heal
24 int container::nOfHeal()
25 {
26     return numOfHeal;
27 }
28 
29 // get the number of magic water
30 int container::nOfMW()
31 {
32     return numOfMW;
33 }
34 
35 // display the items;
36 void container::display()
37 {
38     cout<<"Your bag contains: "<<endl;
39     cout<<"Heal(HP+100): "<<numOfHeal<<endl;
40     cout<<"Magic Water (MP+80): "<<numOfMW<<endl;
41 }
42 
43 //use heal
44 bool container::useHeal()
45 {
46     //2_????????
47     numOfHeal--;
48     return 1;        // use heal successfully
49 }
50 
51 //use magic water
52 bool container::useMW()
53 {
54     numOfMW--;
55     return 1;        // use magic water successfully
56 }

player.h源码:

 1 //=======================
 2 //        player.h
 3 //=======================
 4 
 5 // The base class of player
 6 // including the general properties and methods related to a character
 7 
 8 #ifndef _PLAYER
 9 #define _PLAYER
10 
11 #include <iomanip>        // use for setting field width
12 #include <time.h>        // use for generating random factor
13 #include "container.h"
14 #include<string>
15 
16 using namespace std; 
17 
18 enum job {sw, ar, mg};    /* define 3 jobs by enumerate type
19                                sword man, archer, mage */
20 class player
21 {
22     friend void showinfo(player &p1, player &p2);
23     friend class swordsman;
24 
25 protected:
26     int HP, HPmax, MP, MPmax, AP, DP, speed, EXP, LV;
27     // General properties of all characters
28     string name;    // character name
29     job role;        /* character's job, one of swordman, archer and mage,
30                        as defined by the enumerate type */
31     container bag;    // character's inventory
32 
33 public:
34     virtual bool attack(player &p)=0;    // normal attack
35     virtual bool specialatt(player &p)=0;    //special attack
36     virtual void isLevelUp()=0;            // level up judgement
37     /* Attention!
38     These three methods are called "Pure virtual functions".
39     They have only declaration, but no definition.
40     The class with pure virtual functions are called "Abstract class", which can only be used to inherited, but not to constructor objects. 
41     The detailed definition of these pure virtual functions will be given in subclasses. */
42 
43     void reFill();        // character's HP and MP resume
44     bool death();        // report whether character is dead
45     void isDead();        // check whether character is dead
46     bool useHeal();        // consume heal, irrelevant to job
47     bool useMW();        // consume magic water, irrelevant to job
48     void transfer(player &p);    // possess opponent's items after victory
49     void showRole();    // display character's job
50     
51 private:
52     bool playerdeath;            // whether character is dead, doesn't need to be accessed or inherited
53 };
54 
55 #endif

player.cpp源码:

  1 //=======================
  2 //        player.cpp
  3 //=======================
  4 
  5 
  6 // character's HP and MP resume
  7 #include<iostream>
  8 #include"player.h"
  9 #include"container.h"
 10 
 11 void player::reFill()
 12 {
 13     HP=HPmax;        // HP and MP fully recovered
 14     MP=MPmax;
 15 }
 16 
 17 // report whether character is dead
 18 bool player::death()
 19 {
 20     return playerdeath;
 21 }
 22 
 23 // check whether character is dead
 24 void player::isDead()
 25 {
 26     if(HP<=0)        // HP less than 0, character is dead
 27     {
 28         cout<<name<<" is Dead." <<endl;
 29         system("pause");
 30         playerdeath=1;    // give the label of death value 1
 31     }
 32 }
 33 
 34 // consume heal, irrelevant to job
 35 bool player::useHeal()
 36 {
 37     if(bag.nOfHeal()>0)
 38     {
 39         HP=HP+100;
 40         if(HP>HPmax)        // HP cannot be larger than maximum value
 41             HP=HPmax;        // so assign it to HPmax, if necessary
 42         cout<<name<<" used Heal, HP increased by 100."<<endl;
 43         bag.useHeal();        // use heal
 44         system("pause");
 45         return 1;    // usage of heal succeed
 46     }
 47     else                // If no more heal in bag, cannot use
 48     {
 49         cout<<"Sorry, you don't have heal to use."<<endl;
 50         system("pause");
 51         return 0;    // usage of heal failed
 52     }
 53 }
 54 
 55 // consume magic water, irrelevant to job
 56 bool player::useMW()
 57 {
 58     if(bag.nOfMW()>0)
 59     {
 60         MP=MP+100;
 61         if(MP>MPmax)
 62             MP=MPmax;
 63         cout<<name<<" used Magic Water, MP increased by 100."<<endl;
 64         bag.useMW();
 65         system("pause");
 66         return 1;    // usage of magic water succeed
 67     }
 68     else
 69     {
 70         cout<<"Sorry, you don't have magic water to use."<<endl;
 71         system("pause");
 72         return 0;    // usage of magic water failed
 73     }
 74 }
 75 
 76 // possess opponent's items after victory
 77 void player::transfer(player &p)
 78 {
 79     cout<<name<<" got"<<p.bag.nOfHeal()<<" Heal, and "<<p.bag.nOfMW()<<" Magic Water."<<endl;
 80     system("pause");
 81     //3_???????????
 82     bag.set(bag.nOfHeal()+p.bag.nOfHeal(),bag.nOfMW()+p.bag.nOfMW());
 83     // set the character's bag, get opponent's items
 84 }
 85 
 86 // display character's job
 87 void player::showRole()
 88 {
 89     switch(role)
 90     {
 91     case sw:
 92         cout<<"Swordsman";
 93         break;
 94     case ar:
 95         cout<<"Archer";
 96         break;
 97     case mg:
 98         cout<<"Mage";
 99         break;
100     default:
101         break;
102     }
103 }
104 
105 
106 // display character's job
107 //4_??????????????
108 void showinfo(player &p1, player &p2)
109 {
110     system("cls");
111     cout<<"##############################################################"<<endl;
112     cout<<"# Player"<<setw(10)<<p1.name<<"   LV. "<<setw(3) <<p1.LV
113         <<"  # Opponent"<<setw(10)<<p2.name<<"   LV. "<<setw(3) <<p2.LV<<" #"<<endl;
114     cout<<"# HP "<<setw(3)<<(p1.HP<=999?p1.HP:999)<<'/'<<setw(3)<<(p1.HPmax<=999?p1.HPmax:999)
115         <<" | MP "<<setw(3)<<(p1.MP<=999?p1.MP:999)<<'/'<<setw(3)<<(p1.MPmax<=999?p1.MPmax:999)
116         <<"     # HP "<<setw(3)<<(p2.HP<=999?p2.HP:999)<<'/'<<setw(3)<<(p2.HPmax<=999?p2.HPmax:999)
117         <<" | MP "<<setw(3)<<(p2.MP<=999?p2.MP:999)<<'/'<<setw(3)<<(p2.MPmax<=999?p2.MPmax:999)<<"      #"<<endl;
118     cout<<"# AP "<<setw(3)<<(p1.AP<=999?p1.AP:999)
119         <<" | DP "<<setw(3)<<(p1.DP<=999?p1.DP:999)
120         <<" | speed "<<setw(3)<<(p1.speed<=999?p1.speed:999)
121         <<" # AP "<<setw(3)<<(p2.AP<=999?p2.AP:999)
122         <<" | DP "<<setw(3)<<(p2.DP<=999?p2.DP:999)
123         <<" | speed "<<setw(3)<<(p2.speed<=999?p2.speed:999)<<"  #"<<endl;
124     cout<<"# EXP"<<setw(7)<<p1.EXP<<" Job: "<<setw(7);
125     p1.showRole();
126     cout<<"   # EXP"<<setw(7)<<p2.EXP<<" Job: "<<setw(7);
127     p2.showRole();
128     cout<<"    #"<<endl;
129     cout<<"--------------------------------------------------------------"<<endl;
130     p1.bag.display();
131     cout<<"##############################################################"<<endl;
132 }

swordsman.h源码:

 1 //=======================
 2 //        swordsman.h
 3 //=======================
 4 
 5 // Derived from base class player
 6 // For the job Swordsman
 7 
 8 #include "player.h"
 9 class swordsman : public player//5_?????????        // subclass swordsman publicly inherited from base player
10 {
11 public:
12     swordsman(int lv_in=1, string name_in="Not Given");    
13         // constructor with default level of 1 and name of "Not given"
14     void isLevelUp();
15     bool attack (player &p);
16     bool specialatt(player &p);
17         /* These three are derived from the pure virtual functions of base class
18            The definition of them will be given in this subclass. */
19     void AI(player &p);                // Computer opponent
20 };

swordsman.cpp源码:

  1 //=======================
  2 //        swordsman.cpp
  3 //=======================
  4 
  5 // constructor. default values don't need to be repeated here
  6 #include"swordsman.h"
  7 #include<iostream>
  8 using namespace std;
  9 swordsman::swordsman(int lv_in, string name_in)
 10 {
 11     role=sw;    // enumerate type of job
 12     LV=lv_in;
 13     name=name_in;
 14     
 15     // Initialising the character's properties, based on his level
 16     HPmax=150+8*(LV-1);        // HP increases 8 point2 per level
 17     HP=HPmax;
 18     MPmax=75+2*(LV-1);        // MP increases 2 points per level
 19     MP=MPmax;
 20     AP=25+4*(LV-1);            // AP increases 4 points per level
 21     DP=25+4*(LV-1);            // DP increases 4 points per level
 22     speed=25+2*(LV-1);        // speed increases 2 points per level
 23     
 24     playerdeath=0;
 25     EXP=LV*LV*75;
 26     bag.set(lv_in, lv_in);
 27 }
 28 
 29 void swordsman::isLevelUp()
 30 {
 31     if(EXP>=LV*LV*75)
 32     {
 33         LV++;
 34         AP+=4;
 35         DP+=4;
 36         HPmax+=8;
 37         MPmax+=2;
 38         speed+=2;
 39         cout<<name<<" Level UP!"<<endl;
 40         cout<<"HP improved 8 points to "<<HPmax<<endl;
 41         cout<<"MP improved 2 points to "<<MPmax<<endl;
 42         cout<<"Speed improved 2 points to "<<speed<<endl;
 43         cout<<"AP improved 4 points to "<<AP<<endl;
 44         cout<<"DP improved 5 points to "<<DP<<endl;
 45         system("pause");
 46         isLevelUp();    // recursively call this function, so the character can level up multiple times if got enough exp
 47     }
 48 }
 49 
 50 bool swordsman::attack(player &p)
 51 {
 52     double HPtemp=0;        // opponent's HP decrement
 53     double EXPtemp=0;        // player obtained exp
 54     double hit=1;            // attach factor, probably give critical attack
 55     srand((unsigned)time(NULL));        // generating random seed based on system time
 56 
 57     // If speed greater than opponent, you have some possibility to do double attack
 58     if ((speed>p.speed) && (rand()%100<(speed-p.speed)))        // rand()%100 means generates a number no greater than 100
 59     {
 60         HPtemp=(int)((1.0*AP/p.DP)*AP*5/(rand()%4+10));        // opponent's HP decrement calculated based their AP/DP, and uncertain chance
 61         cout<<name<<"'s quick strike hit "<<p.name<<", "<<p.name<<"'s HP decreased "<<HPtemp<<endl;
 62         p.HP=int(p.HP-HPtemp);
 63         EXPtemp=(int)(HPtemp*1.2);
 64     }
 65 
 66     // If speed smaller than opponent, the opponent has possibility to evade
 67     if ((speed<p.speed) && (rand()%50<1))
 68     {
 69         cout<<name<<"'s attack has been evaded by "<<p.name<<endl;
 70         system("pause");
 71         return 1;
 72     }
 73 
 74     // 10% chance give critical attack
 75     if (rand()%100<=10)
 76     {
 77         hit=1.5;
 78         cout<<"Critical attack: ";
 79     }
 80 
 81     // Normal attack
 82     HPtemp=(int)((1.0*AP/p.DP)*AP*5/(rand()%4+10));
 83     cout<<name<<" uses bash, "<<p.name<<"'s HP decreases "<<HPtemp<<endl;
 84     EXPtemp=(int)(EXPtemp+HPtemp*1.2);
 85     p.HP=(int)(p.HP-HPtemp);
 86     cout<<name<<" obtained "<<EXPtemp<<" experience."<<endl;
 87     EXP=(int)(EXP+EXPtemp);
 88     system("pause");
 89     return 1;        // Attack success
 90 }
 91 
 92 bool swordsman::specialatt(player &p)
 93 {
 94     if(MP<40)
 95     {
 96         cout<<"You don't have enough magic points!"<<endl;
 97         system("pause");
 98         return 0;        // Attack failed
 99     }
100     else
101     {
102         MP-=40;            // consume 40 MP to do special attack
103         
104         //10% chance opponent evades
105         if(rand()%100<=10)
106         {
107             cout<<name<<"'s leap attack has been evaded by "<<p.name<<endl;
108             system("pause");
109             return 1;
110         }
111         
112         double HPtemp=0;        
113         double EXPtemp=0;        
114         //double hit=1;            
115         //srand(time(NULL));        
116         HPtemp=(int)(AP*1.2+20);        // not related to opponent's DP
117         EXPtemp=(int)(HPtemp*1.5);        // special attack provides more experience
118         cout<<name<<" uses leap attack, "<<p.name<<"'s HP decreases "<<HPtemp<<endl;
119         cout<<name<<" obtained "<<EXPtemp<<" experience."<<endl;
120         p.HP=(int)(p.HP-HPtemp);
121         EXP=(int)(EXP+EXPtemp);
122         system("pause");
123     }
124     return 1;    // special attack succeed
125 }
126 
127 // Computer opponent
128 void swordsman::AI(player &p)
129 {
130     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)))
131         // AI's HP cannot sustain 3 rounds && not too lavish && still has heal && won't be killed in next round
132     {
133         useHeal();
134     }
135     else
136     {
137         if(MP>=40 && HP>0.5*HPmax && rand()%100<=30)
138             // AI has enough MP, it has 30% to make special attack
139         {
140             specialatt(p);
141             p.isDead();        // check whether player is dead
142         }
143         else
144         {
145             if (MP<40 && HP>0.5*HPmax && bag.nOfMW())
146                 // Not enough MP && HP is safe && still has magic water
147             {
148                 useMW();
149             }
150             else
151             {
152                 attack(p);    // normal attack
153                 p.isDead();
154             }
155         }
156     }
157 }

main.cpp源码:

  1 //=======================
  2 //        main.cpp
  3 //=======================
  4 
  5 // main function for the RPG style game
  6 
  7 #include <iostream>
  8 #include <string>
  9 using namespace std;
 10 
 11 #include "swordsman.h"
 12 
 13 
 14 int main()
 15 {
 16     string tempName;
 17     bool success=0;        //flag for storing whether operation is successful
 18     cout <<"Please input player's name: ";
 19     cin >>tempName;        // get player's name from keyboard input
 20     player *human;        // use pointer of base class, convenience for polymorphism
 21     int tempJob;        // temp choice for job selection
 22     do
 23     {
 24         cout <<"Please choose a job: 1 Swordsman, 2 Archer, 3 Mage"<<endl;
 25         cin>>tempJob;
 26         system("cls");        // clear the screen
 27         switch(tempJob)
 28         {
 29         case 1:
 30             human=new swordsman(1,tempName);    // create the character with user inputted name and job
 31             success=1;        // operation succeed
 32             break;
 33         default:
 34             break;                // In this case, success=0, character creation failed
 35         }
 36     }while(success!=1);        // so the loop will ask user to re-create a character
 37 
 38     int tempCom;            // temp command inputted by user
 39     int nOpp=0;                // the Nth opponent
 40     for(int i=1;nOpp<5;i+=2)    // i is opponent's level
 41     {
 42         nOpp++;
 43         system("cls");
 44         cout<<"STAGE" <<nOpp<<endl;
 45         cout<<"Your opponent, a Level "<<i<<" Swordsman."<<endl;
 46         system("pause");
 47         swordsman enemy(i, "Warrior");    // Initialise an opponent, level i, name "Junior"
 48         human->reFill();                // get HP/MP refill before start fight
 49         
 50         while(!human->death() && !enemy.death())    // no died
 51         {
 52             success=0;
 53             while (success!=1)
 54             {
 55                 showinfo(*human,enemy);                // show fighter's information
 56                 cout<<"Please give command: "<<endl;
 57                 cout<<"1 Attack; 2 Special Attack; 3 Use Heal; 4 Use Magic Water; 0 Exit Game"<<endl;
 58                 cin>>tempCom;
 59                 switch(tempCom)
 60                 {
 61                 case 0:
 62                     cout<<"Are you sure to exit? Y/N"<<endl;
 63                     char temp;
 64                     cin>>temp;
 65                     if(temp=='Y'||temp=='y')
 66                         return 0;
 67                     else
 68                         break;
 69                 case 1:
 70                     success=human->attack(enemy);
 71                     human->isLevelUp();
 72                     enemy.isDead();
 73                     break;
 74                 case 2:
 75                     success=human->specialatt(enemy);
 76                     human->isLevelUp();
 77                     enemy.isDead();
 78                     break;
 79                 case 3:
 80                     success=human->useHeal();
 81                     break;
 82                 case 4:
 83                     success=human->useMW();
 84                     break;
 85                 default:
 86                     break;
 87                 }
 88             }
 89             if(!enemy.death())        // If AI still alive
 90                 enemy.AI(*human);
 91             else                            // AI died
 92             {
 93                 cout<<"YOU WIN"<<endl;
 94                 human->transfer(enemy);        // player got all AI's items
 95             }
 96             if (human->death())
 97             {
 98                 system("cls");
 99                 cout<<endl<<setw(50)<<"GAME OVER"<<endl;
100                 delete human;                                //6_???????????        // player is dead, program is getting to its end, what should we do here?
101                 system("pause");
102                 return 0;
103             }
104         }
105     }
106     delete human;//7_?????????            // You win, program is getting to its end, what should we do here?
107     system("cls");
108     cout<<"Congratulations! You defeated all opponents!!"<<endl;
109     system("pause");
110     return 0;
111 }

测试结果:

实验5 模板类与多态

 

实验5 模板类与多态

 

实验5 模板类与多态

 

 

 

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