EX——4 RPG游戏·改 （圣杯战争不完全版）

在接近一天的施工后，RPG游戏，基本施工完成，（4）修改 main 函数，随机生成不同角色的敌人，并保证程序正常运行。这一条会在过几天（也可能几周）的完全版发布。

我将原本的RPG游戏汉化了，并且加入了不少游戏的neta，看不懂也图个乐子(￣▽￣)／

 

目录：

mian.cpp:主程序

container.h container.cpp:属性

player.h player.cpp:角色

swordsman.h swordsman.cpp: saber相关

archer.h archer.cpp: archer相关

mage.h mage.cpp: caster相关

 

 

main.cpp

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

// main function for the RPG style game

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

#include "swordsman.h"
#include"archer.h"
#include"mege.h"

int main()
{
    string tempName;
    bool success=0;        //flag for storing whether operation is successful
    cout << "圣杯，是源于基督的传说的奇迹之遗物" << endl << "在基督教圈内，也有颇多追寻圣杯的旅行者们的传说流传着。"<<endl<<"然后在出现的圣杯被圣堂教会判定为“真”的时候，理所当然会爆发它的争夺战。" << endl << "为了追求万能的许愿机——圣杯而发生的战斗，就是" << endl << "圣杯战争。" << endl;
    system("pause");
    system("cls");
    cout <<"现在，你是一名御主，你的英灵名为: ";
    cin >>tempName;        // get player's name from keyboard input
    player *human=NULL;        // use pointer of base class, convenience for polymorphism
    int tempJob;        // temp choice for job selection
    do
    {
        cout <<"其职阶为: 1 剑士（Saber）, 2 弓兵（Archer）, 3 法师（Caster）"<<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;
        case 2:
            human = new archer(1, tempName);    // create the character with user inputted name and job
            success = 1;        // operation succeed
            break;
        case 3:
            human = new mege(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<<"回合" <<nOpp<<endl;
        cout<<"你的敌人为, 一个等级为 "<<i<<" 的剑士."<<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<<"请御主下达指令: "<<endl;
                cout<<"1 攻击; 2 宝具; 3 使用元素瓶; 4 使用元素灰瓶; 0 逃跑（退出游戏）"<<endl;
                cin>>tempCom;
                switch(tempCom)
                {
                case 0:
                    cout<<"你，抛弃你的荣耀 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;
                delete human;        // 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! 你成为了大圣杯的拥有者!!"<<endl;
    system("pause");
    return 0;
}

 

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
{
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

 

container.cpp

//=======================
//        container.cpp
//=======================
#include "container.h"
#include <iostream>
using namespace std;
// 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<<"你包裹中的物品: "<<endl;
    cout<<"元素瓶(HP+100): "<<numOfHeal<<endl;
    cout<<"元素灰瓶(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 "container.h"
#include <string>
#include <windows.h>
using namespace std;

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;
    friend class archer;
    friend class mege;

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

 

player.cpp

//=======================
//        player.cpp
//=======================
#include<iostream>
#include"player.h"
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<<" 阵亡." <<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<<" 喝下元素瓶, HP 回复了 100."<<endl;
        bag.useHeal();        // use heal
        system("pause");
        return 1;    // usage of heal succeed
    }
    else                // If no more heal in bag, cannot use
    {
        cout<<"元素瓶数量不足"<<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<<" 喝下元素灰瓶, MP 回复了 100."<<endl;
        bag.useMW();
        system("pause");
        return 1;    // usage of magic water succeed
    }
    else
    {
        cout<<"元素灰瓶数量不足"<<endl;
        system("pause");
        return 0;    // usage of magic water failed
    }
}

// possess opponent's items after victory
void player::transfer(player &p)
{
    cout<<name<<" 获得"<<p.bag.nOfHeal()<<" 个元素瓶, 和 "<<p.bag.nOfMW()<<" 个元素灰瓶."<<endl;
    system("pause");
    bag.set(bag.nOfHeal() + p.bag.nOfHeal(), bag.nOfMW() + p.bag.nOfMW());
    // set the character's bag, get opponent's items
}

// display character's job
void player::showRole()
{
    switch(role)
    {
    case sw:
        cout<<"剑士";
        break;
    case ar:
        cout<<"弓兵";
        break;
    case mg:
        cout<<"法师";
        break;
    default:
        break;
    }
}


// display character's job
void showinfo(player &p1, player &p2)
{
    system("cls");
    cout<<"##############################################################"<<endl;
    cout<<"# 从者"<<setw(10)<<p1.name<<"   LV. "<<setw(3) <<p1.LV
        <<"  # 敌人"<<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<<" 职阶: "<<setw(7);
    p1.showRole();
    cout<<"   # EXP"<<setw(7)<<p2.EXP<<" 职阶: "<<setw(7);
    p2.showRole();
    cout<<"    #"<<endl;
    cout<<"--------------------------------------------------------------"<<endl;
    p1.bag.display();
    cout<<"##############################################################"<<endl;
}

 

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

swordsman.cpp

//=======================
//        swordsman.cpp
//=======================
#include<iostream>
#include"swordsman.h"
using namespace std;
// 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<<" 等级提升!"<<endl;
        cout<<"HP 提升了 8 点 达到了 "<<HPmax<<endl;
        cout<<"MP 提升了 2 点 达到了 "<<MPmax<<endl;
        cout<<"Speed 提升了 2 点 达到了 "<<speed<<endl;
        cout<<"AP 提升了 4 点 达到了 "<<AP<<endl;
        cout<<"DP 提升了 5 点 达到了 "<<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+25));        // opponent's HP decrement calculated based their AP/DP, and uncertain chance
        cout<<name<<"的攻击命中了 "<<p.name<<", "<<p.name<<"的 HP 减少了 "<<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<<"的攻击被  "<<p.name<<" 闪避了"<<endl;
        system("pause");
        return 1;
    }

    // 10% chance give critical attack
    if (rand()%100<=10)
    {
        hit=1.5;
        cout<<"命中要害: ";
    }

    // Normal attack
    HPtemp=(int)((1.0*AP/p.DP)*AP*5/(rand()%4+10));
    cout<<name<<" 使用 直刺, "<<p.name<<"的 HP 减少了 "<<HPtemp<<endl;
    EXPtemp=(int)(EXPtemp+HPtemp*1.2);
    p.HP=(int)(p.HP-HPtemp);
    cout<<name<<" 获得 "<<EXPtemp<<" 点经验值."<<endl;
    EXP=(int)(EXP+EXPtemp);
    system("pause");
    return 1;        // Attack success
}

bool swordsman::specialatt(player &p)
{
    if(MP<35)
    {
        cout<<"你没有足够的魔力发动宝具!"<<endl;
        system("pause");
        return 0;        // Attack failed
    }
    else
    {
        MP-=35;            // consume 35 MP to do special attack
        
        //10% chance opponent evades
        if(rand()%100<=10)
        {
            cout<<name<<"的宝具被 "<<p.name<<" 规避"<<endl;
            system("pause");
            return 1;
        }
        
        double HPtemp=0;        
        double EXPtemp=0;        
        //double hit=1;            
        //srand(time(NULL));        
        HPtemp=(int)(AP*1.3+20);        // not related to opponent's DP
        EXPtemp=(int)(HPtemp*1.5);        // special attack provides more experience
        cout<<name<<" 发动了————修罗邪光斩, "<<p.name<<"的 HP 减少了 "<<HPtemp<<endl;
        cout<<name<<" 获得 "<<EXPtemp<<" 点经验值."<<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();
            }
        }
    }
}

 

archer.h

#include "player.h"
class archer :public player
{
public:
    archer(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
};

 

archer.cpp

//=======================
//        archer.cpp
//=======================
#include<iostream>
#include"archer.h"
using namespace std;
// constructor. default values don't need to be repeated here
archer::archer(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 = 135 + 5 * (LV - 1);        // HP increases 5 point2 per level
    HP = HPmax;
    MPmax = 85 + 5 * (LV - 1);        // MP increases 5 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 = 40 + 8 * (LV - 1);        // speed increases 8 points per level

    playerdeath = 0;
    EXP = LV*LV * 75;
    bag.set(lv_in, lv_in);
}

void archer::isLevelUp()
{
    if (EXP >= LV*LV * 75)
    {
        LV++;
        AP += 4;
        DP += 4;
        HPmax += 5;
        MPmax += 5;
        speed += 8;
        cout << name << " 等级提升!" << endl;
        cout << "HP 提升了 5 点 达到了 " << HPmax << endl;
        cout << "MP 提升了 5 点 达到了 " << MPmax << endl;
        cout << "Speed 提升了 8 点 达到了 " << speed << endl;
        cout << "AP 提升了 4 点 达到了 " << AP << endl;
        cout << "DP 提升了 4 点 达到了 " << DP << endl;
        system("pause");
        isLevelUp();    // recursively call this function, so the character can level up multiple times if got enough exp
    }
}

bool archer::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 + 15));        // opponent's HP decrement calculated based their AP/DP, and uncertain chance
        cout << name << "的攻击命中了 " << p.name << ", " << p.name << "的 HP 减少了 " << 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 << "的攻击被  " << p.name << " 闪避了" << endl;
        system("pause");
        return 1;
    }

    // 10% chance give critical attack
    if (rand() % 100 <= 10)
    {
        hit = 1.5;
        cout << "命中要害: ";
    }

    // Normal attack
    HPtemp = (int)((1.0*AP / p.DP)*AP * 5 / (rand() % 4 + 10));
    cout << name << " 使用 三连射, " << p.name << "的 HP 减少了 " << HPtemp << endl;
    EXPtemp = (int)(EXPtemp + HPtemp*1.2);
    p.HP = (int)(p.HP - HPtemp);
    cout << name << " 获得 " << EXPtemp << " 点经验值." << endl;
    EXP = (int)(EXP + EXPtemp);
    system("pause");
    return 1;        // Attack success
}

bool archer::specialatt(player &p)
{
    if (MP<40)
    {
        cout << "你没有足够的魔力发动宝具!" << 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 << "的宝具被 " << p.name << " 规避" << endl;
            system("pause");
            return 1;
        }

        double HPtemp = 0;
        double EXPtemp = 0;
        //double hit=1;            
        //srand(time(NULL));        
        HPtemp = (int)(AP*1.2 + 30);        // not related to opponent's DP
        EXPtemp = (int)(HPtemp*1.5);        // special attack provides more experience
        cout << name << " 发动了————流星一条（笑）, " << p.name << "的 HP 减少了 " << HPtemp << endl;
        cout << name << " 获得 " << EXPtemp << " 点经验值." << endl;
        p.HP = (int)(p.HP - HPtemp);
        EXP = (int)(EXP + EXPtemp);
        system("pause");
    }
    return 1;    // special attack succeed
}

// Computer opponent
void archer::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();
            }
        }
    }
}

 

mege.h

#include "player.h"
class mege : public player        
{
public:
    mege(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
};

 

mege.cpp

//=======================
//        mege.cpp
//=======================
#include<iostream>
#include"mege.h"
using namespace std;
// constructor. default values don't need to be repeated here
mege::mege(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 = 100 + 2 * (LV - 1);        // HP increases 2 point2 per level
    HP = HPmax;
    MPmax = 150 + 8 * (LV - 1);        // MP increases 8 points per level
    MP = MPmax;
    AP = 25 + 5 * (LV - 1);            // AP increases 2 points per level
    DP = 25 + 3 * (LV - 1);            // DP increases 6 points per level
    speed = 30 + 3 * (LV - 1);        // speed increases 3 points per level

    playerdeath = 0;
    EXP = LV*LV * 75;
    bag.set(lv_in, lv_in);
}

void mege::isLevelUp()
{
    if (EXP >= LV*LV * 75)
    {
        LV++;
        AP += 5;
        DP += 3;
        HPmax += 2;
        MPmax += 8;
        speed += 3;
        cout << name << " 等级提升!" << endl;
        cout << "HP 提升了 2 点 达到了 " << HPmax << endl;
        cout << "MP 提升了 8 点 达到了 " << MPmax << endl;
        cout << "Speed 提升了 3 点 达到了 " << speed << endl;
        cout << "AP 提升了 5 点 达到了 " << AP << endl;
        cout << "DP 提升了 3 点 达到了 " << DP << endl;
        system("pause");
        isLevelUp();    // recursively call this function, so the character can level up multiple times if got enough exp
    }
}

bool mege::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 << "的攻击命中了 " << p.name << ", " << p.name << "的 HP 减少了 " << 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 << "的攻击被  " << p.name << " 闪避了" << endl;
        system("pause");
        return 1;
    }

    // 10% chance give critical attack
    if (rand() % 100 <= 10)
    {
        hit = 1.5;
        cout << "命中要害: ";
    }

    // Normal attack
    HPtemp = (int)((1.0*AP / p.DP)*AP * 5 / (rand() % 4 + 10));
    cout << name << " 使用 封魔针, " << p.name << "的 HP 减少了 " << HPtemp << endl;
    EXPtemp = (int)(EXPtemp + HPtemp*1.2);
    p.HP = (int)(p.HP - HPtemp);
    cout << name << " 获得 " << EXPtemp << " 点经验值." << endl;
    EXP = (int)(EXP + EXPtemp);
    system("pause");
    return 1;        // Attack success
}

bool mege::specialatt(player &p)
{
    if (MP<60)
    {
        cout << "你没有足够的魔力发动宝具!" << endl;
        system("pause");
        return 0;        // Attack failed
    }
    else
    {
        MP -= 60;            // consume 60 MP to do special attack

                            //10% chance opponent evades
        if (rand() % 100 <= 10)
        {
            cout << name << "的宝具被 " << p.name << " 规避" << endl;
            system("pause");
            return 1;
        }

        double HPtemp = 0;
        double EXPtemp = 0;
        //double hit=1;            
        //srand(time(NULL));        
        HPtemp = (int)(AP*2.0 + 20);        // not related to opponent's DP
        EXPtemp = (int)(HPtemp*1.5);        // special attack provides more experience
        cout << name << " 发动了————梦想封印, " << p.name << "的 HP 减少了 " << HPtemp << endl;
        cout << name << " 获得 " << EXPtemp << " 点经验值." << endl;
        p.HP = (int)(p.HP - HPtemp);
        EXP = (int)(EXP + EXPtemp);
        system("pause");
    }
    return 1;    // special attack succeed
}

// Computer opponent
void mege::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 >= 60 && 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<60 && HP>0.5*HPmax && bag.nOfMW())
                // Not enough MP && HP is safe && still has magic water
            {
                useMW();
            }
            else
            {
                attack(p);    // normal attack
                p.isDead();
            }
        }
    }
}