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利用c++多态实现的角色互相战斗场景 体现出c++多态的应用，和加深对面向对象的理解。

#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>

using namespace std;
//角色基类 

//获取技能随机数种子
int get_random_flag(void)
{
    //获取随机数
   int flag = 1 ;
   if((rand())%2==0)
        return flag ; 

    return 0 ;
}
//获取暴击伤害随机种子  20%
int get_critical_strike_flag(void)
{
    //获取随机数
   int flag = 1 ;
   if((rand())%5==0)
        return flag ; 

    return 0 ;
}

class Role 
{
public:
Role(){}
Role(int Power,int Life):Power(Power),Life(Life)
{
    cout<<"============"<<endl;
    cout <<  "角色属性" << endl;
    cout << "力量:"  << Power << endl; 
    cout << "生命:"  <<  Life << endl; 
}
//攻击 
int attck()
{
    return   Power;
}
//受到的伤害
int Hurt(int l)
{
    return this->Life-=l;
}

//获取生命
int get_Life()
{
    return Life; 
}

private: 
int Power; 
int Life; 
};

//怪物基类 
class Monster 
{
public:
Monster(){}
Monster(int Power,int Life):Power(Power),Life(Life)
{
    cout<<"============"<<endl;
    cout << "怪物属性" << endl;
    cout << "力量:"  << Power << endl; 
    cout << "生命:"  <<  Life << endl; 
}
//攻击 
int attck()
{
    return   Power;
}
//受到的伤害
int Hurt(int l)
{
    return this->Life-=l;
}

//获取生命
int get_Life()
{
    return Life; 
}
private: 
int Power; 
int Life; 
};

//角色打怪物函数  
void   Role_pk_Monster(Role &r ,Monster &m)
{
   while (1)
   {

        cout << "角色发起攻击 造成伤害" << r.attck() << endl;            
        m.Hurt(r.attck()); 
        if(m.get_Life() <= 0 )
        {
            cout << "角色战斗胜利!火锅整起来！" << endl; 
            return ; 
        }

        cout << "怪物起攻击 造成伤害" << m.attck() << endl;
        r.Hurt(m.attck());
        if(r.get_Life() <= 0 )
        {
            cout << "战斗失败 回家吃糖吧！" << endl; 
            return ; 
        }
    
   }
  
}

class lufei : public  Role //角色 1 路飞 有自己的技能
{
public:
    lufei(){}
    lufei(int skill,int Power,int Life,const char*name,const char *skillname):skill(skill),Role(Power,Life)
    {
        strcpy(this->name,name);
        strcpy(this->skillname,skillname);       
        cout<<this->name<<"技能："<<skillname<<" 伤害："<<skill<<endl;
    }

    int xiangjiao_huojianpao()
    {
        return skill;
    } 

    int critical_strike()//产生暴击伤害 1000以上
    {
        return 1000+rand()%9000;
    }

    char *get_name()
    {
        return name;
    }

    char *get_skillname()
    {
        return skillname;
    }

private:
    //技能伤害
    int skill;
    char name[512];
    char skillname[512];

};

class kaiduo : public  Monster //怪物 凯多 有自己的技能
{
public:
    kaiduo(){}
    kaiduo(int skill,int Power,int Life,const char*name,const char *skillname):skill(skill),Monster(Power,Life)
    {
        strcpy(this->name,name);
        strcpy(this->skillname,skillname);
        cout<<this->name<<"技能："<<skillname<<" 伤害："<<skill<<endl;
    }

    int leiming_bagua()
    {
        return skill;
    } 
    int critical_strike()//产生暴击伤害 500以上
    {
         return 500+rand()%9000;
    }

    char *get_name()
    {
        return name;
    }

    char *get_skillname()
    {
        return skillname;
    }

private:
    //技能伤害
    int skill;
    char name[512];
    char skillname[512];

};

void lufei_vs_kaiduo(lufei &l,kaiduo &k)
{   
    int lufei_attk,kuaiduo_attk;

   while (1)
   {
        if(get_critical_strike_flag() == 1 )//暴击伤害
        {
            lufei_attk = l.critical_strike();
            cout<< l.get_name() <<"发起暴击伤害 造成伤害 " <<lufei_attk<<endl;
        }else{
            if(get_random_flag() == 0)
            {
                lufei_attk = l.attck();
                cout << l.get_name() <<"发起普通攻击 造成伤害 " << lufei_attk << endl;        
            }else{
                lufei_attk = l.xiangjiao_huojianpao();
                cout << l.get_name() <<"发起技能攻击："<<l.get_skillname()<<" 造成伤害" << lufei_attk << endl;     
            }
        }

        sleep(1);
        k.Hurt(lufei_attk); 
        if(k.get_Life() <= 0 )
        {
            cout << "角色战斗胜利!火锅整起来！" << endl; 
            return ; 
        }

        if(get_critical_strike_flag() == 1 )//暴击伤害
        {           
           kuaiduo_attk =  k.critical_strike();
            cout <<k.get_name()<< "发起暴击伤害 造成伤害" << kuaiduo_attk<< endl;       
        }else {
            if(get_random_flag() == 0)
            {
                kuaiduo_attk = k.attck();
                    cout << k.get_name()<<"起攻击 造成伤害" << kuaiduo_attk<< endl;          
            }else{
                kuaiduo_attk = k.leiming_bagua();
                cout << k.get_name()<<"发起技能攻击:"<<k.get_skillname()<< "造成伤害" << kuaiduo_attk<< endl;     
            }
        
        }       

        l.Hurt(kuaiduo_attk);
        if(l.get_Life() <= 0 )
        {
            cout << "战斗失败 回家吃糖吧！" << endl; 
            return ; 
        }
    
   }    
}

void random_combat(lufei &a,kaiduo &b,lufei &c,kaiduo &d,lufei &e,kaiduo &f)
{

    //乱斗 a (随机)==>d e f 
    while (1)
    {
        if((rand())%2==0)
            lufei_vs_kaiduo(a,b);
            
    }
    
}

    lufei l(600,100,9999,"路飞","橡胶火箭炮");
    kaiduo k(500,80,6666,"凯多","雷鸣八卦");
 
    lufei q(466,100,9999,"乔巴","乔巴甜甜圈");// 技能伤害 普通攻击 血量 名字 技能名字
    kaiduo b(266,80,6666,"巴基","运气转转转"); 

    lufei s(466,100,9999,"索隆","三刀流奥义");// 技能伤害 普通攻击 血量 名字 技能名字
    kaiduo m(266,80,6666,"明哥","八爪攻击");   

void *task1(void *arg)
{
    
    lufei_vs_kaiduo(l,k);            
                 
}  

void *task2(void *arg)
{
    lufei_vs_kaiduo(q,b);              
                 
}  

void *task3(void *arg)
{
    lufei_vs_kaiduo(s,m);              
                 
}  
 
int main(int argc, char const *argv[])
{
    char str[256] = {0};
    //开启线程战斗    
    pthread_t tid;
     pthread_create(&tid, NULL,task1, NULL);

    pthread_t pid1;
    pthread_create(&pid1, NULL,task2, NULL);

    pthread_t pid2;
    pthread_create(&pid2, NULL,task3, NULL); 

    cout<<"按exit退出程序"<<endl;
    cin>>str;
    if(strcmp(str,"exit") == 0)
    {
        exit(0);
    }
    
    return 0;
}

输出结果：