C++ 接口调用

#define _CRT_SECURE_NO_WARNINGS  //消除一个安全检测，没有会报c4996错误
#include     //标准输入、出
#include    // strcpy
#include    //标准库函数 malloc
#include"GameCompany1.h"  // 


/*1、 甲方实现---》 == 留接口--》函数指针*/
//初始化游戏  参数1：人物指针  参数2：人物姓名

// *INIT_GAME 函数指针类型
typedef void(*INIT_GAME)(void **player, char *name);

//核心战斗  如果胜利：返回1  失败则返回：0  参数1：玩家  参数2：副本难度
typedef int(*FIGHT_GAME)(void *player, int gameDiff);

// 查看玩家信息
typedef void(*PRINT_GAME)(void *player);


//离开游戏
typedef void(*EXIT_GAME)(void *player);




//甲方的功能实现，  通过INIT_GAME 函数指针类型--》创建 init 指针
void playGame(INIT_GAME init, FIGHT_GAME fight, PRINT_GAME printGame, EXIT_GAME exitGame){

	//初始化游戏
	void  * player = NULL;
	printf("请输入玩家的姓名： \n");
	char buf[1024];
	scanf("%s", buf);

	init(&player, buf);  // init 是函数指针--》调用此函数--》构建了人物

	// 战斗
	printf("请选择游戏难度： \n");
	printf("1： 简单\n");
	printf("2： 中等\n");
	printf("3： 困难\n");

	int diff = -1;  //初始值

	scanf("%d", &diff);
	int ret = fight(player, diff);
	if (ret == 0){
		printf("游戏结束 \n");
	}
	else{
		printf("恭喜胜利 \n");
		printf("玩家当前状态： \n");
		printGame(player);
	}

	//退出游戏
	exitGame(player);
}


int main(){

	playGame(INIT_GAME_GameCompany1, FIGHT_GAME_GameCompany1, PRINT_GAME_GameCompany1, EXIT_GAME_GameCompany1);
	system("pause");
	return EXIT_SUCCESS;  // 宏=0
}

GameCompany1.h

#pragma once
#define _CRT_SECURE_NO_WARNINGS  //消除一个安全检测，没有会报c4996错误
#include     //标准输入、出
#include    // strcpy
#include    //标准库函数 malloc


struct Player{
	char name[64];
	int level;
	int exp;
};



// *INIT_GAME 函数指针类型
void INIT_GAME_GameCompany1(void **player, char *name);

//核心战斗  如果胜利：返回1  失败则返回：0  参数1：玩家  参数2：副本难度
int FIGHT_GAME_GameCompany1(void *player, int gameDiff);

// 查看玩家信息
void PRINT_GAME_GameCompany1(void *player);


//离开游戏
void EXIT_GAME_GameCompany1(void *player);

GameCompany1.c

#include"GameCompany1.h"



void INIT_GAME_GameCompany1(void **pl, char *name){
	
	struct Player *player = malloc(sizeof(struct Player));  //内存分配完成
	
	if (player == NULL)
	{
		return;
	}
	*pl = player;
	strcpy(player->name, name);  // 字符串赋值
	player->exp = 0;
	player->level = 0;
}




//核心战斗  如果胜利：返回1  失败则返回：0     参数1：玩家  参数2：副本难度
int FIGHT_GAME_GameCompany1(void *p, int gameDiff){
	struct Player *player = p;
	int addExp = 0;  // 玩家经验
	
	switch (gameDiff)    //根据难度不同--》产生3种情况
	{
	case 1:
		addExp = isWin(90, 1);  // (90 胜率, 1 难度）---》返回是否胜利
		break;
	case 2:
		addExp = isWin(50, 2);
		break;
	case 3:
		addExp = isWin(30, 1);
		break;
	default:
		break;
	}
	
	player->exp += addExp;
	player->level = player->exp / 10;

	if (addExp == 0){

		return 0;
	}
	else{
		return 1;
	}

}



// 是否赢了      游戏胜率winRate  
int isWin(int winRate, int diff){

	int random = rand() % 100 + 1;
	if (random <= winRate)
	{
		return diff * 10;
	}
	else{
		return 0;
	}
}


// 查看玩家信息
void PRINT_GAME_GameCompany1(void *p){
	struct Player *player = p;
	printf("玩家<%s>----当前等级<%d>", player->name, player->level, player->exp);
}


//离开游戏
void EXIT_GAME_GameCompany1(void *player){
	if (player == NULL){
		return;
	}
	free(player);
	player = NULL;
}