1 #pragma ocne
2 #include<iostream>
3 #include<string>
4 using namespace std;
5 class MachinePets
6 {
7 string nickname;
8 public:
9 MachinePets(const string s): nickname{s}{ };
10 string get_nickname() const;
11 virtual string talk()=0;
12 };
13 string MachinePets::get_nickname() const
14 {
15 return nickname;
16 }
17 class PetCats:public MachinePets
18 {
19 public:
20 PetCats(const string s) : MachinePets(s) {};
21 string talk()
22 {
23 string s={"miao wu~"};
24 return s;
25 }
26 };
27 class PetDogs:public MachinePets
28 {
29 public:
30 PetDogs(const string s) : MachinePets(s) {};
31 string talk()
32 {
33 string s={"wang wu~"};
34 return s;
35 }
36 };
1 #include <iostream>
2 #include "pets.hpp"
3
4 void play(MachinePets &obj) {
5 std::cout << obj.get_nickname() << " says " << obj.talk() << std::endl;
6 }
7
8 void test() {
9 PetCats cat("miku");
10 PetDogs dog("da huang");
11
12 play( cat );
13 play( dog );
14 }
15
16 int main() {
17 test();
18 }
测试截图如下：
任务五
1 #include<string>
2 #include<iomanip>
3 using namespace std;
4
5 class Person
6 {
7 friend ostream& operator<<(ostream& out, const Person& obj);
8 friend istream& operator>>(istream& in, Person& obj);
9 friend bool operator==(const Person& obj1, const Person& obj2);
10 public:
11 Person():name(""),telephone(""),email("")
12 {}
13 Person(const string& _name, const string& _telephone, const string& _email = ""):name(_name), telephone(_telephone),email(_email)
14 {}
15 Person(const Person& obj):name(obj.name), telephone(obj.telephone),email(obj.email)
16 {}
17 void update_telephone();
18 void update_email();
19 private:
20 string name;
21 string telephone;
22 string email;
23 };
24
25 void Person::update_telephone()
26 {
27 cout << "Enter the telephone number : ";
28 cin.clear();
29 cin >> telephone;
30 cout << "telephone number has been updated..."<<endl;
31 }
32 void Person::update_email()
33 {
34 cout << "Enter the email address: ";
35 cin.clear();
36 cin >> email;
37 cout << "email address has been updated..." << endl;
38 }
39 ostream& operator<<(ostream& out, const Person& obj)
40 {
41 out <<setw(15)<<setiosflags(ios::left)<<obj.name;
42 out << setw(15) << setiosflags(ios::left) << obj.telephone;
43 out << setw(15) << setiosflags(ios::left) << obj.email;
44 return out;
45 }
46 istream& operator>>(istream& in, Person& obj)
47 {
48 in >> obj.name >> obj.telephone >> obj.email;
49 return in;
50 }
51 bool operator==(const Person& obj1, const Person& obj2)
52 {
53 return obj1.name == obj2.name && obj1.telephone == obj2.telephone && obj1.email == obj2.email;
54 }
person.hpp
1 #include <iostream>
2 #include <fstream>
3 #include <vector>
4 #include "person.hpp"
5
6 void test() {
7 using namespace std;
8
9 vector<Person> phone_book;
10 Person p;
11
12 cout << "Enter person's contact until press Ctrl + Z" << endl;
13 while (cin >> p)
14 phone_book.push_back(p);
15
16 cout << "\nupdate someone's contact: \n";
17 phone_book.at(0).update_telephone();
18 phone_book.at(0).update_email();
19
20 cout << "\ndisplay all contacts' info\n";
21 for (auto& phone : phone_book)
22 cout << phone << endl;
23
24 cout << "\ntest whether the same contact\n";
25 cout << boolalpha << (phone_book.at(0) == phone_book.at(1)) << endl;
26 }
27
28 int main() {
29 test();
30 }
person.cpp
测试截图如下：
任务六
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 #ifndef _CONTAINER // Conditional compilation
9 #define _CONTAINER
10
11 class container // Inventory
12 {
13 protected:
14 int numOfHeal; // number of heal
15 int numOfMW; // number of magic water
16 public:
17 container(); // constuctor
18 void set(int heal_n, int mw_n); // set the items numbers
19 int nOfHeal(); // get the number of heal
20 int nOfMW(); // get the number of magic water
21 void display(); // display the items;
22 bool useHeal(); // use heal
23 bool useMW(); // use magic water
24 };
25 // default constructor initialise the inventory as empty
26 #endif
1 //=======================
2 // container.cpp
3 //=======================
4
5 // default constructor initialise the inventory as empty
6 container::container()
7 {
8 set(0,0);
9 }
10
11 // set the item numbers
12 void container::set(int heal_n, int mw_n)
13 {
14 numOfHeal=heal_n;
15 numOfMW=mw_n;
16 }
17
18 // get the number of heal
19 int container::nOfHeal()
20 {
21 return numOfHeal;
22 }
23
24 // get the number of magic water
25 int container::nOfMW()
26 {
27 return numOfMW;
28 }
29
30 // display the items;
31 void container::display()
32 {
33 cout<<"Your bag contains: "<<endl;
34 cout<<"Heal(HP+100): "<<numOfHeal<<endl;
35 cout<<"Magic Water (MP+80): "<<numOfMW<<endl;
36 }
37
38 //use heal
39 bool container::useHeal()
40 {
41 numOfHeal--;
42 return 1; // use heal successfully
43 }
44
45 //use magic water
46 bool container::useMW()
47 {
48 numOfMW--;
49 return 1; // use magic water successfully
50 }
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 #include<iostream>
11 #include <iomanip> // use for setting field width
12 #include <time.h> // use for generating random factor
13 #include "container.h"
14 using namespace std;
15 enum job { sw, ar, mg }; /* define 3 jobs by enumerate type
16 sword man, archer, mage */
17 class player
18 {
19 friend void showinfo(player& p1, player& p2);
20 friend class swordsman;
21
22 protected:
23 int HP, HPmax, MP, MPmax, AP, DP, speed, EXP, LV;
24 // General properties of all characters
25 string name; // character name
26 job role; /* character's job, one of swordman, archer and mage,
27 as defined by the enumerate type */
28 container bag; // character's inventory
29
30 public:
31 virtual bool attack(player& p) = 0; // normal attack
32 virtual bool specialatt(player& p) = 0; //special attack
33 virtual void isLevelUp() = 0; // level up judgement
34 /* Attention!
35 These three methods are called "Pure virtual functions".
36 They have only declaration, but no definition.
37 The class with pure virtual functions are called "Abstract class", which can only be used to inherited, but not to constructor objects.
38 The detailed definition of these pure virtual functions will be given in subclasses. */
39
40 void reFill(); // character's HP and MP resume
41 bool death(); // report whether character is dead
42 void isDead(); // check whether character is dead
43 bool useHeal(); // consume heal, irrelevant to job
44 bool useMW(); // consume magic water, irrelevant to job
45 void transfer(player& p); // possess opponent's items after victory
46 void showRole(); // display character's job
47
48 private:
49 bool playerdeath; // whether character is dead, doesn't need to be accessed or inherited
50 };
51
52 #endif
1 //=======================
2 // player.cpp
3 //=======================
4 #include<iostream>
5 #include<iomanip>
6 #include"player.h"
7 using namespace std;
8 // character's HP and MP resume
9 void player::reFill()
10 {
11 HP = HPmax; // HP and MP fully recovered
12 MP = MPmax;
13 }
14
15 // report whether character is dead
16 bool player::death()
17 {
18 return playerdeath;
19 }
20
21 // check whether character is dead
22 void player::isDead()
23 {
24 if (HP <= 0) // HP less than 0, character is dead
25 {
26 cout << name << " is Dead." << endl;
27 system("pause");
28 playerdeath = 1; // give the label of death value 1
29 }
30 }
31
32 // consume heal, irrelevant to job
33 bool player::useHeal()
34 {
35 if (bag.nOfHeal() > 0)
36 {
37 HP = HP + 100;
38 if (HP > HPmax) // HP cannot be larger than maximum value
39 HP = HPmax; // so assign it to HPmax, if necessary
40 cout << name << " used Heal, HP increased by 100." << endl;
41 bag.useHeal(); // use heal
42 system("pause");
43 return 1; // usage of heal succeed
44 }
45 else // If no more heal in bag, cannot use
46 {
47 cout << "Sorry, you don't have heal to use." << endl;
48 system("pause");
49 return 0; // usage of heal failed
50 }
51 }
52
53 // consume magic water, irrelevant to job
54 bool player::useMW()
55 {
56 if (bag.nOfMW() > 0)
57 {
58 MP = MP + 100;
59 if (MP > MPmax)
60 MP = MPmax;
61 cout << name << " used Magic Water, MP increased by 100." << endl;
62 bag.useMW();
63 system("pause");
64 return 1; // usage of magic water succeed
65 }
66 else
67 {
68 cout << "Sorry, you don't have magic water to use." << endl;
69 system("pause");
70 return 0; // usage of magic water failed
71 }
72 }
73
74 // possess opponent's items after victory
75 void player::transfer(player& p)
76 {
77 cout << name << " got" << p.bag.nOfHeal() << " Heal, and " << p.bag.nOfMW() << " Magic Water." << endl;
78 system("pause");
79 HP += p.bag.nOfHeal();
80 MP += p.bag.nOfMW();
81 // set the character's bag, get opponent's items
82 }
83
84 // display character's job
85 void player::showRole()
86 {
87 switch (role)
88 {
89 case sw:
90 cout << "Swordsman";
91 break;
92 case ar:
93 cout << "Archer";
94 break;
95 case mg:
96 cout << "Mage";
97 break;
98 default:
99 break;
100 }
101 }
102
103
104 // display character's job
105 void showinfo(player& p1, player& p2)
106 {
107 system("cls");
108 cout << "##############################################################" << endl;
109 cout << "# Player" << setw(10) << p1.name << " LV. " << setw(3) << p1.LV
110 << " # Opponent" << setw(10) << p2.name << " LV. " << setw(3) << p2.LV << " #" << endl;
111 cout << "# HP " << setw(3) << (p1.HP <= 999 ? p1.HP : 999) << '/' << setw(3) << (p1.HPmax <= 999 ? p1.HPmax : 999)
112 << " | MP " << setw(3) << (p1.MP <= 999 ? p1.MP : 999) << '/' << setw(3) << (p1.MPmax <= 999 ? p1.MPmax : 999)
113 << " # HP " << setw(3) << (p2.HP <= 999 ? p2.HP : 999) << '/' << setw(3) << (p2.HPmax <= 999 ? p2.HPmax : 999)
114 << " | MP " << setw(3) << (p2.MP <= 999 ? p2.MP : 999) << '/' << setw(3) << (p2.MPmax <= 999 ? p2.MPmax : 999) << " #" << endl;
115 cout << "# AP " << setw(3) << (p1.AP <= 999 ? p1.AP : 999)
116 << " | DP " << setw(3) << (p1.DP <= 999 ? p1.DP : 999)
117 << " | speed " << setw(3) << (p1.speed <= 999 ? p1.speed : 999)
118 << " # AP " << setw(3) << (p2.AP <= 999 ? p2.AP : 999)
119 << " | DP " << setw(3) << (p2.DP <= 999 ? p2.DP : 999)
120 << " | speed " << setw(3) << (p2.speed <= 999 ? p2.speed : 999) << " #" << endl;
121 cout << "# EXP" << setw(7) << p1.EXP << " Job: " << setw(7);
122 p1.showRole();
123 cout << " # EXP" << setw(7) << p2.EXP << " Job: " << setw(7);
124 p2.showRole();
125 cout << " #" << endl;
126 cout << "--------------------------------------------------------------" << endl;
127 p1.bag.display();
128 cout << "##############################################################" << endl;
129 }
1 pragma once
2 //=======================
3 // swordsman.h
4 //=======================
5
6 // Derived from base class player
7 // For the job Swordsman
8
9 #include "player.h"
10 class swordsman : public player // subclass swordsman publicly inherited from base player
11 {
12 public:
13 swordsman(int lv_in = 1, string name_in = "Not Given");
14 // constructor with default level of 1 and name of "Not given"
15 void isLevelUp();
16 bool attack(player& p);
17 bool specialatt(player& p);
18 /* These three are derived from the pure virtual functions of base class
19 The definition of them will be given in this subclass. */
20 void AI(player& p); // Computer opponent
21 };
1 //=======================
2 // swordsman.cpp
3 //=======================
4 #include<iostream>
5 #include"swordsman.h"
6 using namespace std;
7 // constructor. default values don't need to be repeated here
8 swordsman::swordsman(int lv_in, string name_in)
9 {
10 role = sw; // enumerate type of job
11 LV = lv_in;
12 name = name_in;
13
14 // Initialising the character's properties, based on his level
15 HPmax = 150 + 8 * (LV - 1); // HP increases 8 point2 per level
16 HP = HPmax;
17 MPmax = 75 + 2 * (LV - 1); // MP increases 2 points per level
18 MP = MPmax;
19 AP = 25 + 4 * (LV - 1); // AP increases 4 points per level
20 DP = 25 + 4 * (LV - 1); // DP increases 4 points per level
21 speed = 25 + 2 * (LV - 1); // speed increases 2 points per level
22
23 playerdeath = 0;
24 EXP = LV * LV * 75;
25 bag.set(lv_in, lv_in);
26 }
27
28 void swordsman::isLevelUp()
29 {
30 if (EXP >= LV * LV * 75)
31 {
32 LV++;
33 AP += 4;
34 DP += 4;
35 HPmax += 8;
36 MPmax += 2;
37 speed += 2;
38 cout << name << " Level UP!" << endl;
39 cout << "HP improved 8 points to " << HPmax << endl;
40 cout << "MP improved 2 points to " << MPmax << endl;
41 cout << "Speed improved 2 points to " << speed << endl;
42 cout << "AP improved 4 points to " << AP << endl;
43 cout << "DP improved 5 points to " << DP << endl;
44 system("pause");
45 isLevelUp(); // recursively call this function, so the character can level up multiple times if got enough exp
46 }
47 }
48
49 bool swordsman::attack(player& p)
50 {
51 double HPtemp = 0; // opponent's HP decrement
52 double EXPtemp = 0; // player obtained exp
53 double hit = 1; // attach factor, probably give critical attack
54 srand((unsigned)time(NULL)); // generating random seed based on system time
55
56 // If speed greater than opponent, you have some possibility to do double attack
57 if ((speed > p.speed) && (rand() % 100 < (speed - p.speed))) // rand()%100 means generates a number no greater than 100
58 {
59 HPtemp = (int)((1.0 * AP / p.DP) * AP * 5 / (rand() % 4 + 10)); // opponent's HP decrement calculated based their AP/DP, and uncertain chance
60 cout << name << "'s quick strike hit " << p.name << ", " << p.name << "'s HP decreased " << HPtemp << endl;
61 p.HP = int(p.HP - HPtemp);
62 EXPtemp = (int)(HPtemp * 1.2);
63 }
64
65 // If speed smaller than opponent, the opponent has possibility to evade
66 if ((speed < p.speed) && (rand() % 50 < 1))
67 {
68 cout << name << "'s attack has been evaded by " << p.name << endl;
69 system("pause");
70 return 1;
71 }
72
73 // 10% chance give critical attack
74 if (rand() % 100 <= 10)
75 {
76 hit = 1.5;
77 cout << "Critical attack: ";
78 }
79
80 // Normal attack
81 HPtemp = (int)((1.0 * AP / p.DP) * AP * 5 / (rand() % 4 + 10));
82 cout << name << " uses bash, " << p.name << "'s HP decreases " << HPtemp << endl;
83 EXPtemp = (int)(EXPtemp + HPtemp * 1.2);
84 p.HP = (int)(p.HP - HPtemp);
85 cout << name << " obtained " << EXPtemp << " experience." << endl;
86 EXP = (int)(EXP + EXPtemp);
87 system("pause");
88 return 1; // Attack success
89 }
90
91 bool swordsman::specialatt(player& p)
92 {
93 if (MP < 40)
94 {
95 cout << "You don't have enough magic points!" << endl;
96 system("pause");
97 return 0; // Attack failed
98 }
99 else
100 {
101 MP -= 40; // consume 40 MP to do special attack
102
103 //10% chance opponent evades
104 if (rand() % 100 <= 10)
105 {
106 cout << name << "'s leap attack has been evaded by " << p.name << endl;
107 system("pause");
108 return 1;
109 }
110
111 double HPtemp = 0;
112 double EXPtemp = 0;
113 //double hit=1;
114 //srand(time(NULL));
115 HPtemp = (int)(AP * 1.2 + 20); // not related to opponent's DP
116 EXPtemp = (int)(HPtemp * 1.5); // special attack provides more experience
117 cout << name << " uses leap attack, " << p.name << "'s HP decreases " << HPtemp << endl;
118 cout << name << " obtained " << EXPtemp << " experience." << endl;
119 p.HP = (int)(p.HP - HPtemp);
120 EXP = (int)(EXP + EXPtemp);
121 system("pause");
122 }
123 return 1; // special attack succeed
124 }
125
126 // Computer opponent
127 void swordsman::AI(player& p)
128 {
129 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)))
130 // AI's HP cannot sustain 3 rounds && not too lavish && still has heal && won't be killed in next round
131 {
132 useHeal();
133 }
134 else
135 {
136 if (MP >= 40 && HP > 0.5 * HPmax && rand() % 100 <= 30)
137 // AI has enough MP, it has 30% to make special attack
138 {
139 specialatt(p);
140 p.isDead(); // check whether player is dead
141 }
142 else
143 {
144 if (MP < 40 && HP>0.5 * HPmax && bag.nOfMW())
145 // Not enough MP && HP is safe && still has magic water
146 {
147 useMW();
148 }
149 else
150 {
151 attack(p); // normal attack
152 p.isDead();
153 }
154 }
155 }
156 }
1 #include "swordsman.h"
2 #include <iostream>
3 #include <string>
4
5 using namespace std;
6
7 // main function for the RPG style game
8
9 int main()
10 {
11 string tempName;
12 bool success = 0; //flag for storing whether operation is successful
13 cout << "Please input player's name: ";
14 cin >> tempName; // get player's name from keyboard input
15 player* human;
16 human = new swordsman(1, tempName); // use pointer of base class, convenience for polymorphism
17 int tempJob; // temp choice for job selection
18 do
19 {
20 cout << "Please choose a job: 1 Swordsman, 2 Archer, 3 Mage" << endl;
21 cin >> tempJob;
22 system("cls"); // clear the screen
23 switch (tempJob)
24 {
25 case 1:
26 human = new swordsman(1, tempName); // create the character with user inputted name and job
27 success = 1; // operation succeed
28 break;
29 default:
30 break; // In this case, success=0, character creation failed
31 }
32 } while (success != 1); // so the loop will ask user to re-create a character
33
34 int tempCom; // temp command inputted by user
35 int nOpp = 0; // the Nth opponent
36 for (int i = 1; nOpp < 5; i += 2) // i is opponent's level
37 {
38 nOpp++;
39 system("cls");
40 cout << "STAGE" << nOpp << endl;
41 cout << "Your opponent, a Level " << i << " Swordsman." << endl;
42 system("pause");
43 swordsman enemy(i, "Warrior"); // Initialise an opponent, level i, name "Junior"
44 human->reFill(); // get HP/MP refill before start fight
45
46 while (!human->death() && !enemy.death()) // no died
47 {
48 success = 0;
49 while (success != 1)
50 {
51 showinfo(*human, enemy); // show fighter's information
52 cout << "Please give command: " << endl;
53 cout << "1 Attack; 2 Special Attack; 3 Use Heal; 4 Use Magic Water; 0 Exit Game" << endl;
54 cin >> tempCom;
55 switch (tempCom)
56 {
57 case 0:
58 cout << "Are you sure to exit? Y/N" << endl;
59 char temp;
60 cin >> temp;
61 if (temp == 'Y' || temp == 'y')
62 return 0;
63 else
64 break;
65 case 1:
66 success = human->attack(enemy);
67 human->isLevelUp();
68 enemy.isDead();
69 break;
70 case 2:
71 success = human->specialatt(enemy);
72 human->isLevelUp();
73 enemy.isDead();
74 break;
75 case 3:
76 success = human->useHeal();
77 break;
78 case 4:
79 success = human->useMW();
80 break;
81 default:
82 break;
83 }
84 }
85 if (!enemy.death()) // If AI still alive
86 enemy.AI(*human);
87 else // AI died
88 {
89 cout << "YOU WIN" << endl;
90 human->transfer(enemy); // player got all AI's items
91 }
92 if (human->death())
93 {
94 system("cls");
95 cout << endl << setw(50) << "GAME OVER" << endl;
96 delete human; // player is dead, program is getting to its end, what should we do here?
97 system("pause");
98 return 0;
99 }
100 }
101 }
102 delete human; // You win, program is getting to its end, what should we do here?
103 system("cls");
104 cout << "Congratulations! You defeated all opponents!!" << endl;
105 system("pause");
106 return 0;
107 }
运行测试截图：