基于C语言的贪吃蛇实现

2024-04-30 21:23:26 浏览数 (2)

头文件

代码语言：javascript复制
#pragma once
#include<stdio.h>
#include<Windows.h>
#include<stdbool.h>
#include<locale.h>
#include<time.h>
#define KEY_PRESS(vk) ( (GetAsyncKeyState(vk) & 1) ? 1 : 0)
#define POS_X 24
#define POS_Y 5
#define FOOD L'鼠'
#define WALL L'墙'
#define BODY L'蛇'
//类型声明
//蛇方向
enum DIRECTION
{
	UP = 1,//上
	DOWM,//下
	LEFT,//左
	RIGHT//右
};
//蛇的状态
//正常 撞墙 自撞 正常退出 
enum GAME_STATUS
{
	OK,//正常
	KILL_BY_WALL,//撞墙
	KILL_BY_SELF,//撞自己
	END_NORMAL//推出
};
//蛇身结点类型
typedef struct SnakeNode
{
	//坐标
	int x;
	int y;
	//指向下一个结点的指针
	struct SnakeNode* next;
}SnakeNode,* pSnakeNode;
//贪吃蛇
typedef struct Snake
{
	pSnakeNode _pSnake;//指向蛇头
	pSnakeNode _pFood;//食物位置
	enum DIRECTION _dir;//蛇头方向
	enum GAME_STATUS _status;//状态
	int _food_weight;//食物分数
	int _score;//总成绩
	int _sleep_time;//休息时间
}Snake,*pSnake;
//函数声明
void SetPos(short x, short y);
//游戏初始化
void GameStart(pSnake ps);
//游戏开始
void GameRun(pSnake ps);
//欢迎界面
void WelcomeToGame();
//打印地图
void CreateMap();
//初始化蛇
void InitSnake(pSnake ps);
//创建食物
void CreatteFood(pSnake ps);
//蛇的移动
void SnakeMove(pSnake ps);
//判断吃到了没?
int NextIsFood(pSnakeNode pNextNode,pSnake ps);
//吃了食物
void EatFood(pSnakeNode pNextNode, pSnake ps);
//没吃
void NoFood(pSnakeNode pNextNode, pSnake ps);
//撞墙和撞自己
void KillByWall(pSnake ps);
void KillBySelf(pSnake ps);
//游戏善后
void GameEnd(pSnake ps);

实现文件

代码语言：javascript复制
#define _CRT_SECURE_NO_WARNINGS
#include"snake.h"
void SetPos(short x, short y)
{
	COORD pos = { x, y };
	HANDLE hOutput = NULL;
	//获取标准输出的句柄(⽤来标识不同设备的数值)
	hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
	//设置标准输出上光标的位置为pos
	SetConsoleCursorPosition(hOutput, pos);
}
void WelcomeToGame()
{
	SetPos(40, 14);
	printf("欢迎游玩贪吃蛇小游戏n");
	SetPos(42, 20);
	system("pause");
	system("cls");
	SetPos(40, 14);
	wprintf(L"用 ↑ ↓ ← →,按F3加速 按F4减速n");
	SetPos(40, 15);
	wprintf(L"加速分数更高n");
	SetPos(42, 20);
	system("pause");
	system("cls");
	SetPos(0, 0);
}
void CreateMap()
{
	//上
	int i;
	for(i = 0;i<29;i  )
		wprintf(L"%lc", WALL);

	//左
	for (i = 0; i <= 25; i  )
	{
		SetPos(0, i);
		wprintf(L"%lc", WALL);
	}
	//右
	for (i = 0; i <= 25; i  )
	{
		SetPos(56, i);
		wprintf(L"%lc", WALL);
	}

	//下
	SetPos(0, 26);
	for (i = 0; i < 29; i  )
		wprintf(L"%lc", WALL);
}
void InitSnake(pSnake ps)
{
	int i = 0;
	pSnakeNode cur = NULL;
	for (i = 0; i < 5; i  )
	{
		cur = (pSnakeNode)malloc(sizeof(SnakeNode));
		if (cur == NULL)
		{
			perror("InitSnake()::malloc()");
		}
		cur->next = NULL;
		cur->x = POS_X   2 * i;
		cur->y = POS_Y;
		//头插法插入链表
		if (ps->_pSnake == NULL)
		{
			ps->_pSnake = cur;
		}
		else
		{
			cur->next = ps->_pSnake;
			ps->_pSnake = cur;
		}
	}
	cur = ps->_pSnake;
	while (cur)
	{
		SetPos(cur->x,cur->y);
		wprintf(L"%lc", BODY);
		cur = cur->next;
	}
	//方向
	ps->_dir = RIGHT;//默认向右
	ps->_score = 0;
	ps->_food_weight = 10;
	ps->_sleep_time = 200;//ms
	ps->_status = OK;
}
void CreatteFood(pSnake ps)
{
	int x = 0;
	int y = 0;
	//x 2~54
	//y 1~25
again:
	do 
	{
		x = rand() % 53   2;
		y = rand() % 25   1;
	} while ((x % 2) != 0);
	//x y 不能生成在蛇身上
	pSnakeNode cur = ps->_pSnake;
	while(cur)
	{
		if (x == cur->x && y == cur->y)
		{
			goto again;
		}
		cur = cur->next;
	}
	//创建食物结点
	pSnakeNode pFood = (pSnakeNode)malloc(sizeof(SnakeNode));
	if (pFood == NULL)
	{
		perror("CreatFood::malloc()");
		return;
	}
	pFood->x = x;
	pFood->y = y;
	pFood->next = NULL;

	SetPos(x, y);
	wprintf(L"%lc", FOOD);
	ps->_pFood = pFood;

}
void GameStart(pSnake ps)
{
	//设置窗口大小
	system("mode con cols=100 lines=30");
	system("title 贪吃蛇");
	//光标隐藏
	HANDLE houtput = GetStdHandle(STD_OUTPUT_HANDLE);
		//影藏光标操作
	CONSOLE_CURSOR_INFO CursorInfo;
	GetConsoleCursorInfo(houtput, &CursorInfo);//获取控制台光标信息
	CursorInfo.bVisible = false;				//隐藏控制台光标
	SetConsoleCursorInfo(houtput, &CursorInfo);//设置控制台光标状态
	//打印欢迎界面  //功能介绍
	WelcomeToGame();
	//绘制地图
	CreateMap();
	//创建蛇
	InitSnake(ps);
	//创建食物
	CreatteFood(ps);
	//设置游戏相关信息
}
void printfHelpInfo()
{
	SetPos(64, 20);
	wprintf(L"%ls",L"不能穿墙,不能啃自己");
	SetPos(64, 21);
	printf("欢迎游玩贪吃蛇小游戏n");
	SetPos(64, 22);
	wprintf(L"用 ↑ ↓ ← →,按F3加速 按F4减速n");
	SetPos(64, 23);
	wprintf(L"加速分数更高n");
	SetPos(64, 24);
	wprintf(L"空格是暂停哦");
	SetPos(64, 25);
	wprintf(L"By 我");
}
void Pause()
{
	while (1)
	{
		Sleep(200);
		if (KEY_PRESS(VK_SPACE))
			break;
	}
}
int NextIsFood(pSnakeNode pNextNode, pSnake ps)
{
	return (ps->_pFood->x == pNextNode->x && ps->_pFood->y == pNextNode->y);
}
void EatFood(pSnakeNode pNextNode, pSnake ps)
{
	//头插法
	ps->_pFood->next = ps->_pSnake;
	ps->_pSnake = ps->_pFood;

	//释放NEXT的结点
	free(pNextNode);
	pNextNode = NULL;
	pSnakeNode cur = ps->_pSnake;
	//打印蛇
	while (cur)
	{
		SetPos(cur->x, cur->y);
		wprintf(L"%lc", BODY);
		cur = cur->next;
	}
	ps->_score  = ps->_food_weight;
	
	//重新创建食物
	CreatteFood(ps);
}
void NoFood(pSnakeNode pNextNode, pSnake ps)
{
	pNextNode->next = ps->_pSnake;
	ps->_pSnake = pNextNode;
	pSnakeNode cur = ps->_pSnake;
	while (cur->next->next != NULL)
	{
		SetPos(cur->x, cur->y);
		wprintf(L"%lc", BODY);
		cur = cur->next;
	}

	SetPos(cur->next->x, cur->next->y);
	printf("  ");
	free(cur->next);
	cur->next = NULL;
	cur = NULL;
}
void KillByWall(pSnake ps)
{
	if (ps->_pSnake->x == 0 || ps->_pSnake->x == 56 || ps->_pSnake->y == 0 || ps->_pSnake->y == 26)
		ps->_status = KILL_BY_WALL;
}
void KillBySelf(pSnake ps)
{
	pSnakeNode cur = ps->_pSnake->next;
	while(cur)
	{
		if (ps->_pSnake->x == cur->x && ps->_pSnake->y == cur->y)
			ps->_status = KILL_BY_SELF;
		cur = cur->next;
	}
}
void SnakeMove(pSnake ps)
{
	//蛇要去的下一个结点
	pSnakeNode pNextNode = (pSnakeNode)malloc(sizeof(SnakeNode));
	if (pNextNode == NULL)
	{
		perror("SNAKENODDE :: malloc()");
		return;
	}

	switch (ps->_dir)
	{
	case UP:
		pNextNode->x = ps->_pSnake->x;
		pNextNode->y = ps->_pSnake->y - 1;
		break;
	case DOWM:
		pNextNode->x = ps->_pSnake->x;
		pNextNode->y = ps->_pSnake->y   1;
		break;
	case LEFT:
		pNextNode->x = ps->_pSnake->x - 2;
		pNextNode->y = ps->_pSnake->y;
		break;
	case RIGHT:
		pNextNode->x = ps->_pSnake->x   2;
		pNextNode->y = ps->_pSnake->y;
		break;
	}
	//检测是否吃到了食物
	if (NextIsFood(pNextNode,ps))
	{
		EatFood(pNextNode, ps); pNextNode = NULL;
	}
	else
	{
		NoFood(pNextNode, ps);
	}
	KillByWall(ps);
	KillBySelf(ps);
}
void GameRun(pSnake ps)
{
	//打印帮助信息
	printfHelpInfo();
	do
	{
		SetPos(64, 10);
		printf("总分:�n",ps->_score);
		SetPos(64, 11);
		printf("当前食物分数:Mn", ps->_food_weight);
		//调用宏
		if (KEY_PRESS(VK_UP) && ps->_dir != DOWM)
		{
			ps->_dir = UP;
		}
		else if (KEY_PRESS(VK_DOWN) && ps->_dir != UP)
		{
			ps->_dir = DOWM;
		}
		else if (KEY_PRESS(VK_LEFT) && ps->_dir != RIGHT)
		{
			ps->_dir = LEFT;
		}
		else if (KEY_PRESS(VK_RIGHT) && ps->_dir != LEFT)
		{
			ps->_dir = RIGHT;
		}
		else if (KEY_PRESS(VK_SPACE))
		{
			Pause();
		}
		else if (KEY_PRESS(VK_F3))//加速
		{
			if (ps->_food_weight <= 200)
			{
				ps->_sleep_time -= 30;
				ps->_food_weight *= 2;
			}
		}
		else if (KEY_PRESS(VK_F4))//减速
		{
			if (ps->_food_weight >= 2)
			{
				ps->_sleep_time  = 30;
				ps->_food_weight /= 2;
			}
		}
		else if (KEY_PRESS(VK_ESCAPE))
		{
			ps->_status = END_NORMAL;
		}

		SnakeMove(ps);//走一步啊

		Sleep(ps->_sleep_time);

		//打印总分数和食物的分值
	} while (ps->_status == OK);
}
void GameEnd(pSnake ps)
{
	SetPos(24, 12);
	switch (ps->_status)
	{
	case END_NORMAL:
		printf("已主动结束游戏");
		break;
	case KILL_BY_WALL:
		printf("您撞墙了");
		break;
	case KILL_BY_SELF:
		printf("您撞到了自己");
		break;
	}
	SetPos(0, 27);
	//释放链表
	pSnakeNode cur = ps->_pSnake;
	while (cur)
	{
		pSnakeNode del = cur;
		cur = cur->next;
		free(del);
	}
}

mian.c

代码语言：javascript复制
#define _CRT_SECURE_NO_WARNINGS
#include"snake.h"
void test()
{
	char ch = 'n';
	do {
		system("cls");
		//创建贪吃蛇
		Snake snake = { 0 };
		//初始化游戏
		GameStart(&snake);
		//运行游戏
		GameRun(&snake);
		//游戏结束
		GameEnd(&snake);
		SetPos(20, 20);
		printf("还玩么?玩的话输入Y(先删除空格):");
		scanf("%c", &ch);
	} while (ch == 'Y');
}
int main()
{
	//设置本地化
	setlocale(LC_ALL, "");
	srand((unsigned int)time(NULL));
	test();
	return 1;
}
游戏 ps void 链表 小游戏

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