实验任务4
pets.hpp
1 #pragma once
2 #include<iostream>
3 #include<string>
4
5 using namespace std;
6 using std::string;
7 class MachinePets {
8 public:
9 MachinePets(const string s):nickname{s}{}
10 string get_nickname() const { return nickname; }
11 virtual string talk() = 0{ }
12 private:
13 string nickname;
14 };
15
16 class PetCats :public MachinePets {
17 public:
18 PetCats(const string s):MachinePets(s){ }
19 string talk() { return "miao wu～"; }
20 };
21
22 class PetDogs :public MachinePets {
23 public:
24 PetDogs(const string s):MachinePets(s) { }
25 string talk() { return "wang wang～"; }
26 };
task4.cpp
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 }
运行测试结果：
实验任务5
Person.hpp
1 #pragma once
2 #include<iostream>
3 #include<iomanip>
4 #include<string>
5 using namespace std;
6
7 class Person {
8 public:
9 Person(string n="0", string t="0", string e="0") :name{n}, telephone{t}, email{e} {}
10 Person(const Person& p);
11 void update_telephone();
12 void update_email();
13 friend std::ostream& operator<<(std::ostream& out, const Person& p);
14 friend std::istream& operator>>(std::istream& in, Person& p);
15 friend bool operator==(const Person& p1, const Person& p2);
16 private:
17 string name;
18 string telephone;
19 string email;
20 };
21 Person::Person(const Person& p) {
22 name = p.name;
23 telephone = p.telephone;
24 email = p.email;
25 }
26 std::ostream& operator<<(std::ostream& out, const Person& p) {
27 out << left <<setfill(' ') << setw(18) << p.name << setw(18)<< p.telephone << setw(18) << p.email;
28 return out;
29 }
30 std::istream& operator>>(std::istream &in,Person &p) {
31 getline(in, p.name);
32 getline(in, p.telephone);
33 getline(in, p.email);
34 //getchar();
35 cout << "\n";
36 //cin.clear();
37 return in;
38 }
39
40 bool operator==(const Person& p1, const Person& p2) {
41 if (p1.name == p2.name && p1.telephone == p2.telephone)
42 return true;
43 else
44 return false;
45 }
46 void Person::update_telephone() {
47 cout << "Enter the telephone number: ";
48 cin.clear();
49 cin >> telephone;
50 cout << "telephone number has been updated..." << endl;
51 }
52 void Person::update_email() {
53 cout << "Enter the email address: ";
54 cin.clear();
55 cin >> email;
56 cout << "email address has been updated..." << endl;
57 }
task5.cpp
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 }
运行测试结果：
实验任务6
container.h
1 #pragma once
2 //=======================
3 // container.h
4 //=======================
5
6 // The so-called inventory of a player in RPG games
7 // contains two items, heal and magic water
8
9 #ifndef _CONTAINER // Conditional compilation
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
player.h
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
swordsman.h
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 };
container.cpp
1 //=======================
2 // container.cpp
3 //=======================
4 #include"container.h"
5 #include<iostream>
6 using namespace std;
7 // default constructor initialise the inventory as empty
8 container::container()
9 {
10 set(0, 0);
11 }
12
13 // set the item numbers
14 void container::set(int heal_n, int mw_n)
15 {
16 numOfHeal = heal_n;
17 numOfMW = mw_n;
18 }
19
20 // get the number of heal
21 int container::nOfHeal()
22 {
23 return numOfHeal;
24 }
25
26 // get the number of magic water
27 int container::nOfMW()
28 {
29 return numOfMW;
30 }
31
32 // display the items;
33 void container::display()
34 {
35 cout << "Your bag contains: " << endl;
36 cout << "Heal(HP+100): " << numOfHeal << endl;
37 cout << "Magic Water (MP+80): " << numOfMW << endl;
38 }
39
40 //use heal
41 bool container::useHeal()
42 {
43 numOfHeal--;
44 return 1; // use heal successfully
45 }
46
47 //use magic water
48 bool container::useMW()
49 {
50 numOfMW--;
51 return 1; // use magic water successfully
52 }
player.cpp
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 }
swordsman.cpp
1 //=======================
2 // swordsman.cpp
3 //=======================
4 #include"swordsman.h"
5 #include<iostream>
6
7 using namespace std;
8 // constructor. default values don't need to be repeated here
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
1 //=======================
2 // main.cpp
3 //=======================
4
5 // main function for the RPG style game
6
7 #include <iostream>
8 #include <string>
9 #include "swordsman.h"
10 #include"swordsman.cpp"
11 using namespace std;
12 int main()
13 {
14 string tempName = "0";
15 bool success = 0; //flag for storing whether operation is successful
16 cout << "Please input player's name: ";
17 cin >> tempName; // get player's name from keyboard input
18 player* human;// use pointer of base class, convenience for polymorphism
19 human = new swordsman(1, tempName);
20 int tempJob; // temp choice for job selection
21 do
22 {
23 cout << "Please choose a job: 1 Swordsman, 2 Archer, 3 Mage" << endl;
24 cin >> tempJob;
25 system("cls"); // clear the screen
26 switch (tempJob)
27 {
28 case 1:
29 delete human;
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; // 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; // 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 }
运行测试结果：
实验总结
对类继承和多态掌握不熟练，在任务6编译中还遇到了链接器工具错误的问题，还需要大量的练习。
标签：string,继承,void,多态,player,int,实验,include,HP From： https://www.cnblogs.com/zxy0324/p/16929713.html