【C++】PK游戏（玩转多态）

不念不忘少年蓝@ 2024-04-01 16:56 68阅读 0赞

## 0x1 【C++】PK游戏（玩转多态） ##

### 0x11 简介 ###

本案例为多态应用；  
武器类属性：基础伤害、特效（吸血、定身、暴击）；  
**屠龙刀**：吸血、定身、暴击的几率

**小刀**：无任何能力

**英雄**：攻击力、防御、血量、武器、装备武器、攻击怪物

**怪物**：攻击力、防御、血量、攻击英雄

**核心算法**：通过isTrigger判断是否触发特效  
系统随机产生 1~100的数字（例如传进来一个30，然后产生一个随机数，如果这个随机数在1-30之间，则触发特效）

### 0x12 代码实现（h） ###

#### 0x121 Dragonsword.h ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #ifndef TEST_DRAGONSWORD_H
    #define TEST_DRAGONSWORD_H
    
    #pragma once
    
    #include <iostream>
    #include "Weapon.h"
    #include <string>
    
    using namespace std;
    
    /**
     * 武器类属性：基础伤害、特效（吸血、定身、暴击）
     * 屠龙刀拥有：吸血、定身、暴击的几率
     */
    class DragonSword : public Weapon {
        
    public:
        DragonSword();
    
        //获取基础伤害
        virtual int getBaseDamage();
    
        //获取吸血
        virtual int getSuckBlood();
    
        //获取是否定身
        virtual bool getHold();
    
        //获取是否暴击
        virtual bool getCrit();
    
        //  吸血率  定身率 暴力率
        int suckRate;
        int holdRate;
        int critRate;
    
        //传入概率 判断是否触发
        bool isTrigger(int rate);
    };
    
    
    #endif //TEST_DRAGONSWORD_H

#### 0x122 Hero.h ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #ifndef TEST_HERO_H
    #define TEST_HERO_H
    #pragma once
    
    #include <iostream>
    #include "Weapon.h"
    #include <string>
    #include "Monster.h"
    
    using namespace std;
    
    class Monster;
    
    /**
     * 英雄：攻击力、防御、血量、武器、装备武器、攻击怪物
     */
    class Hero {
        
    public:
        Hero();
    
        string m_Name; //人名
    
        int m_Atk; //攻击力
    
        int m_Def; // 防御力
    
        int m_Hp; //血量
    
        Weapon *weapon; //武器
    
        void EquipWeapon(Weapon *weapon);//装备武器
    
        void Attack(Monster *monster);//攻击怪物
    };
    
    #endif //TEST_HERO_H

#### 0x123 Knife.h ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #ifndef TEST_KNIFE_H
    #define TEST_KNIFE_H
    #pragma once
    
    #include <iostream>
    #include "Weapon.h"
    #include <string>
    
    using namespace std;
    
    /**
     * 武器类属性：基础伤害、特效（吸血、定身、暴击）
     * 小刀：无任何能力
     */
    class Knife : public Weapon {
        
    public:
        Knife();
    
        //获取基础伤害
        virtual int getBaseDamage();
    
        //获取吸血
        virtual int getSuckBlood();
    
        //获取是否定身
        virtual bool getHold();
    
        //获取是否暴击
        virtual bool getCrit();
    
    };
    
    #endif //TEST_KNIFE_H

#### 0x124 Monster.h ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #ifndef TEST_MONSTER_H
    #define TEST_MONSTER_H
    #pragma once
    
    #include <iostream>
    #include "Weapon.h"
    #include <string>
    #include "Hero.h"
    
    using namespace std;
    
    class Hero;
    
    /*
     * 怪物：攻击力、防御、血量、攻击英雄
     */
    class Monster {
        
    public:
        Monster();
    
        string m_Name;
    
        int m_Hp;
    
        int m_Atk;
    
        int m_Def;
    
        bool m_Hold;
    
        void Attack(Hero *hero);
    
    };
    
    #endif //TEST_MONSTER_H

#### 0x125 Weapon.h ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #ifndef TEST_WEAPON_H
    #define TEST_WEAPON_H
    
    
    #pragma  once
    
    #include <iostream>
    #include <string>
    
    using namespace std;
    
    //抽象类
    class Weapon {
        
    public:
        //获取基础伤害
        virtual int getBaseDamage() = 0;
    
        //获取吸血
        virtual int getSuckBlood() = 0;
    
        //获取是否定身
        virtual bool getHold() = 0;
    
        //获取是否暴击
        virtual bool getCrit() = 0;
    
        string m_WeaponName; //武器名称
        int m_BaseDamage; //基础伤害
    };
    
    #endif //TEST_WEAPON_H

### 0x13 实现部分（cpp） ###

#### 0x131 Dragonsword.cpp ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #include "Dragonsword.h"
    
    DragonSword::DragonSword() {
        
        this->m_BaseDamage = 20;
        this->m_WeaponName = "屠龙刀";
        this->suckRate = 20;
        this->holdRate = 30;
        this->critRate = 35;
    }
    
    //基础伤害
    int DragonSword::getBaseDamage() {
        
        return this->m_BaseDamage;
    }
    
    //吸血
    int DragonSword::getSuckBlood() {
        
        if (isTrigger(suckRate)) {
        
            return this->m_BaseDamage * 0.5;  //按照武器基础伤害一半吸血
        }
        return 0;
    }
    
    //定身
    bool DragonSword::getHold() {
        
        if (isTrigger(holdRate)) {
        
            return true;
        }
        return false;
    }
    
    //暴击
    bool DragonSword::getCrit() {
        
        if (isTrigger(critRate)) {
        
            return true;
        }
        return false;
    }
    
    //通过isTrigger判断是否触发特效
    //随机 1~100的数字
    //（例如传进来一个30，然后产生一个随机数，如果这个随机数在1-30之间，则触发特效）
    bool DragonSword::isTrigger(int rate) {
        
        int num = rand() % 100 + 1;//产生随机数1-100
        if (num < rate) {
        
            return true;
        }
        return false;
    }

#### 0x132 Hero.cpp ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #include "Hero.h"
    
    Hero::Hero() {
        
        this->m_Hp = 500;//血量
    
        this->m_Atk = 50;//攻击力
    
        this->m_Def = 50;//防御
    
        this->m_Name = "法师";
    
        this->weapon = NULL;
    
    }
    
    //装备武器
    void Hero::EquipWeapon(Weapon *weapon) {
        
        this->weapon = weapon;
    
        cout << "英雄：" << this->m_Name << " 装备了武器 << " << this->weapon->m_WeaponName << " >> " << endl;
    
    }
    
    //攻击
    void Hero::Attack(Monster *monster) {
        
        int damage = 0;//伤害
        int addHp = 0;//加血
        bool isHold = false;//定身
        bool isCrit = false;//暴击
    
        if (this->weapon == NULL) //武器为空 没有加成
        {
        
            damage = this->m_Atk;
        } else {
        
            //基础伤害
            damage = this->m_Atk + this->weapon->getBaseDamage();
            //计算吸血
            addHp = this->weapon->getSuckBlood();
            //计算定身
            isHold = this->weapon->getHold();
            //计算暴击
            isCrit = this->weapon->getCrit();
        }
        if (isCrit) //暴击 伤害 加成
        {
        
            damage = damage * 2;
            cout << "英雄的武器触发了暴击效果，怪物收到了双倍的伤害，伤害值：" << damage << endl;
        }
        if (isHold) {
        
            cout << "英雄的武器触发了定身效果，怪物停止攻击一回合" << endl;
        }
        if (addHp > 0) {
        
            cout << "英雄的武器触发了吸血效果，英雄增加的血量为" << addHp << endl;
        }
    
        //设置怪物定身
        monster->m_Hold = isHold;
    
        //计算真实伤害
        int trueDamage = (damage - monster->m_Def) > 0 ? damage - monster->m_Def : 1;
    
        monster->m_Hp -= trueDamage;//怪物掉血
    
        this->m_Hp += addHp;//加血
    
        cout << "英雄 " << this->m_Name << " 攻击了敌人  " << monster->m_Name << " 造成了 伤害" << trueDamage << endl;
    }

#### 0x133 Knife.cpp ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #include "Knife.h"
    
    Knife::Knife() {
        
        this->m_BaseDamage = 10;
        this->m_WeaponName = "小刀";
    }
    
    int Knife::getBaseDamage() {
        
        return this->m_BaseDamage;
    }
    
    int Knife::getSuckBlood() {
        
        return 0;
    }
    
    bool Knife::getHold() {
        
        return false;
    }
    
    bool Knife::getCrit() {
        
        return false;
    }

#### 0x134 Monster.cpp ####

//
    // Created by 24607 on 2022/11/10.
    //
    
    #include "Monster.h"
    
    Monster::Monster() {
        
        this->m_Hp = 300;
        this->m_Atk = 70;
        this->m_Def = 40;
        this->m_Hold = false;
        this->m_Name = "哥布林";
    }
    
    void Monster::Attack(Hero *hero) {
        
        if (this->m_Hold) {
        
            cout << "怪物 " << this->m_Name << " 被定身了，本回合无法攻击" << endl;
            return;
        }
        //计算攻击伤害
        int damage = (this->m_Atk - hero->m_Def) > 0 ? this->m_Atk - hero->m_Def : 1;
    
        hero->m_Hp -= damage;
    
        cout << "怪物 " << this->m_Name << "攻击了英雄 " << hero->m_Name << " 造成了 伤害" << damage << endl;
    }

#### 0x135 主函数调用部分 ####

#include <iostream>
    
    #define _CRT_SECURE_NO_WARNINGS
    
    #include "Hero.h"
    #include "Monster.h"
    #include "Weapon.h"
    #include "Knife.h"
    #include "DragonSword.h"
    #include <ctime>
    
    using namespace std;
    
    void play() {
        
        //创建怪物
        Monster *monster = new Monster;
        //创建英雄
        Hero *hero = new Hero;
    
        //创建武器
        Weapon *kinfe = new Knife;
        Weapon *dragon = new DragonSword;
    
        //让用户选择 武器
        cout << "请选择武器：" << endl;
        cout << "1. 赤手空拳" << endl;
        cout << "2. 小刀" << endl;
        cout << "3. 屠龙刀" << endl;
    
        int oper;//选择
    
        cin >> oper;
        switch (oper) {
        
            case 1:
                cout << "你真牛X，你还是太年轻了！" << endl;
                break;
            case 2:
                hero->EquipWeapon(kinfe);
                break;
            case 3:
                hero->EquipWeapon(dragon);
                break;
        }
    
        getchar(); //输入缓冲区里有个回车 ，多获取一次值
    
        int round = 1;//回合
    
        while (true) {
        
            getchar();
            system("cls");//清屏
            cout << "----- 当前第 " << round << " 回合开始 ------" << endl;
    
            if (hero->m_Hp <= 0) {
        
                cout << "英雄  " << hero->m_Name << "已挂 ，游戏结束" << endl;
                break;
            }
            hero->Attack(monster);
    
            if (monster->m_Hp <= 0) {
        
                cout << "怪物  " << monster->m_Name << "已挂，顺利通关" << endl;
                break;
            }
            monster->Attack(hero);
    
            if (hero->m_Hp <= 0) {
        
                cout << "英雄  " << hero->m_Name << "已挂 ，游戏结束" << endl;
                break;
            }
    
            cout << "英雄  " << hero->m_Name << "剩余血量：" << hero->m_Hp << endl;
            cout << "怪物  " << monster->m_Name << "剩余血量：" << monster->m_Hp << endl;
    
            round++;
        }
    
        delete monster;
        delete hero;
        delete kinfe;
        delete dragon;
    
    }
    
    /**
     * pk游戏（玩转多态）
     *
     * @return
     */
    int main() {
        
        srand((unsigned int) time(NULL));
        play();
        system("pause");
        return 0;
    }