实验结论

宠物

源码

MachinePets.h

//
// Created by KOKODA on 2019/6/3.
//#ifndef SHIYAN5_MACHINEPETS_H
#define SHIYAN5_MACHINEPETS_H#include <string>using namespace std;class MachinePets {
protected:string nickname;
public:MachinePets(const string &nickname);virtual string talk()=0;
};#endif //SHIYAN5_MACHINEPETS_H

MachinePets.cpp

//
// Created by KOKODA on 2019/6/3.
//#include "MachinePets.h"MachinePets::MachinePets(const string &nickname) : nickname(nickname) {}

PetCats.h

//
// Created by KOKODA on 2019/6/3.
//#ifndef SHIYAN5_PETCATS_H
#define SHIYAN5_PETCATS_H#include "MachinePets.h"class PetCats: public MachinePets {
public:PetCats(const string &nickname);string talk();
};#endif //SHIYAN5_PETCATS_H

PetCats.cpp

//
// Created by KOKODA on 2019/6/3.
//#include "PetCats.h"PetCats::PetCats(const string &nickname) : MachinePets(nickname) {}string PetCats::talk() {return nickname+" says miao wu~";
}

PetDogs.h

//
// Created by KOKODA on 2019/6/3.
//#ifndef SHIYAN5_PETDOGS_H
#define SHIYAN5_PETDOGS_H#include "MachinePets.h"class PetDogs:public MachinePets{
public:PetDogs(const string &nickname);string talk();
};#endif //SHIYAN5_PETDOGS_H

PetDogs.cpp

//
// Created by KOKODA on 2019/6/3.
//#include "PetDogs.h"PetDogs::PetDogs(const string &nickname) : MachinePets(nickname) {}string PetDogs::talk() {return nickname+" says wang wang~";
}

main.cpp

#include <iostream>#include "PetCats.h"
#include "PetDogs.h"using namespace std;void play(MachinePets *p);int main() {PetCats cat("miku");PetDogs dog("da huang");play(&cat); // 按照play()形参，传递参数play(&dog); // 按照play()形参，传递参数return 0;
}void play(MachinePets *p) {cout<<(p->talk())<<endl;
}

运行截图

RPG游戏

源码

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 _CONTAINERclass container        // Inventory
{
protected:int numOfHeal;            // number of healint numOfMW;            // number of magic water
public:container();        // constuctorvoid set(int heal_n, int mw_n);    // set the items numbersint nOfHeal();    // get the number of healint nOfMW();            // get the number of magic watervoid display();            // display the items;bool useHeal();            // use healbool useMW();            // use magic water
};#endif

container.cpp

//=======================
//      container.cpp
//=======================// default constructor initialise the inventory as empty
#include "container.h"
#include <iostream>using namespace std;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
}

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 <string>
#include "container.h"using namespace std;enum job {sw, ar, mg
};    /* define 3 jobs by enumerate typesword 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 charactersstring name;    // character namejob role;        /* character's job, one of swordman, archer and mage,as defined by the enumerate type */container bag;    // character's inventorypublic:virtual bool attack(player &p) = 0;    // normal attackvirtual bool specialatt(player &p) = 0;    //special attackvirtual 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 resumebool death();        // report whether character is deadvoid isDead();        // check whether character is deadbool useHeal();        // consume heal, irrelevant to jobbool useMW();        // consume magic water, irrelevant to jobvoid transfer(player &p);    // possess opponent's items after victoryvoid showRole();    // display character's jobprivate:bool playerdeath;            // whether character is dead, doesn't need to be accessed or inherited
};#endif

player.cpp

//=======================
//      player.cpp
//=======================// character's HP and MP resume
#include "player.h"
#include <iostream>using namespace std;void player::reFill() {HP = HPmax;        // HP and MP fully recoveredMP = 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 valueHP = HPmax;        // so assign it to HPmax, if necessarycout << name << " used Heal, HP increased by 100." << endl;bag.useHeal();        // use healsystem("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.nOfHeal() + p.bag.nOfHeal(), bag.nOfHeal() + p.bag.nOfHeal());// 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;
}

swordman.h

//=======================
//      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 classThe definition of them will be given in this subclass. */void AI(player &p);                // Computer opponent
};

swordman.cpp

//=======================
//      swordsman.cpp
//=======================// constructor. default values don't need to be repeated here
#include "swordsman.h"
#include <iostream>using namespace std;swordsman::swordsman(int lv_in, string name_in) {role = sw;    // enumerate type of jobLV = lv_in;name = name_in;// Initialising the character's properties, based on his levelHPmax = 150 + 8 * (LV - 1);        // HP increases 8 point2 per levelHP = HPmax;MPmax = 75 + 2 * (LV - 1);        // MP increases 2 points per levelMP = MPmax;AP = 25 + 4 * (LV - 1);            // AP increases 4 points per levelDP = 25 + 4 * (LV - 1);            // DP increases 4 points per levelspeed = 25 + 2 * (LV - 1);        // speed increases 2 points per levelplayerdeath = 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 decrementdouble EXPtemp = 0;        // player obtained expdouble hit = 1;            // attach factor, probably give critical attacksrand((unsigned) time(NULL));        // generating random seed based on system time// If speed greater than opponent, you have some possibility to do double attackif ((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 chancecout << 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 evadeif ((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 attackif (rand() % 100 <= 10) {hit = 1.5;cout << "Critical attack: ";}// Normal attackHPtemp = (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 evadesif (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 DPEXPtemp = (int) (HPtemp * 1.5);        // special attack provides more experiencecout << 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 attackp.isDead();}}}
}

运行截图