前言

實現游戲中簡單的打怪升級的功能

c語言中的struct

#include <stdio.h>typedef void(*Train)(struct player*, int);
typedef void(*Pk)(struct player*, struct player*);struct player
{int level;   //等級int hp;      //hp值Train f_train;  //函數指針(練級)Pk f_pk;        //函數指針(PK)
};void train_fun(struct player *p1, int nums)
{int killnums = p1->hp > nums ? nums: p1->hp;p1->level += killnums;p1->hp -= killnums;printf("練級：長了%d級", killnums);printf("當前：level=%d, hp=%d\n", p1->level, p1->hp);
}void pk_fun(struct player *p1, struct player *p2)
{int power1 = p1->level * 100 + p1->hp;int power2 = p2->level * 100 + p2->hp;if (power1 >= power2){printf("player1 win\n");}else{printf("player2 win\n");}}int main()
{struct player p1 ={.level = 1, .hp = 100, .f_train = train_fun, .f_pk = pk_fun};struct player p2 ={.level = 2, .hp = 50, .f_train = train_fun, .f_pk = pk_fun};p1.f_train(&p1, 6);p2.f_train(&p2, 10);p1.f_pk(&p1, &p2);return 0;
}

c++中的 class

#include <iostream>
using namespace std;class player
{
public:player(int level=0, int hp=0):level(level), hp(hp){}void train(int nums){int killnums = hp > nums ? nums : hp;level += killnums;hp -= killnums;cout << "練級:長了" << killnums << " 級。";cout << "當前:level=" << level << ",hp=" << hp << endl;}void pk(player &another){int power1 = level * 100 + hp;int power2 = another.level * 100 + another.hp;if (power1 >= power2){cout << "You win" << endl;}else{cout << "You loss" << endl;}}private:int level;int hp;
};int main()
{player p1(1, 100);player p2(2, 50);p1.train(6);p2.train(10);p1.pk(p2);return 0;
}

總結

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