C语言链表实现贪吃蛇小游戏

本文实例为大家分享了c语言链表实现贪吃蛇游戏的具体代码，供大家参考，具体内容如下

项目名称：

贪吃蛇小游戏

运行环境：

linux

编程语言：

c语言

主要语法：

链表，指针，函数

备注：

游戏中可选不同难度模式，

1.简易——easy——速度慢，可穿墙，可触碰自己
2.困难——hard——速度快，不可穿墙，不可触碰自己
3.自动——auto——外挂模式，自动吃食，直到胜利

代码

贪吃蛇小游戏代码：

#include <curses.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <stdio.h>

#define up     1
#define down   -1
#define left   2
#define right  -2

struct snake    //define the snake
{
 int hang;
 int lie;
 struct snake *next;
};

struct snake food; //define the food
struct snake *head= null;
struct snake *tail = null;
int key;
int dir;
int set = 49;
int nub = 4;

void initfood()  //init food
{
 int x = rand()%20;
 int y = (rand()%19)+1;
 food.hang = x;
 food.lie = y;
}

void initncurse() //init ncurse
{
 initscr();
 keypad(stdscr,1); 
 noecho();
}

int hasfood(int i,int j) //judge whether shoule show the food
{
 if(food.hang == i && food.lie == j)
 {
  return 1;
 }
 return 0;
}

int hassnakenode(int i, int j) //judge whether shoule show the snake
{
 struct snake *p;
 p = head;
 while(p != null) 
 {
  if(p->hang == i && p->lie == j)
     { 
                return 1;
  }
         p = p->next;
 }
 return 0;
}

void gamepic()   //show the whole picture
{
 int hang;
 int lie;
 move(0,0);
 for(hang=0;hang<20;hang++)     //20*20 size map
 {
  if(hang == 0)
  {
   for(lie=0;lie<20;lie++)
   {
    printw("--");
   }
   printw("\n"); 
  }
  if(hang >= 0 && hang <= 19)
  {
                        for(lie=0;lie<=20;lie++)
                        {
                                if(lie == 0 || lie == 20)
                                        printw("|");
                         else if(hassnakenode(hang,lie))
    {
     printw("[]");
    }
    else if(hasfood(hang,lie))
    {
     printw("##");
    }
    else
                        printw("  ");
   }
   printw("\n");
  }
  if(hang == 19)
                {
                        for(lie=0;lie<20;lie++)
                        {
                                printw("--");
                        }
   printw("\n");
  }
 }
 printw("by haoqing, happy game!\n");
 switch(dir)
        {
                case up:
                        printw("snake up!   \n");
                        break;
                case down:
   printw("snake down! \n");
                        break;
                case left:
   printw("snake left! \n");
                        break;
                case right:
   printw("snake right!\n");
                        break;
        }
 if(nub >= 380)
 {
  printw("------------------------------------\n");
  printw("==============you win!==============\n");
         printw("------------------------------------\n");
 }
}

void addnode()   //add the node of snake
{
 struct snake *new = (struct snake *)malloc(sizeof(struct snake));
 
 new->next = null;

 switch(dir)
 {
  case up:
   new->hang = tail->hang-1;
                        new->lie = tail->lie;
                        break;
  case down:
                        new->hang = tail->hang+1;
                        new->lie = tail->lie;
                        break;
  case left:
                        new->hang = tail->hang;
                        new->lie = tail->lie-1;
                        break;
  case right:
                        new->hang = tail->hang;
                        new->lie = tail->lie+1;
                        break;
 }
 tail->next = new;
 tail = new;
}

void initsnake()                //init snake
{
        struct snake *p;

        dir = right;

        while(head != null)
        {
                p = head;
                head = head->next;
                free(p);
        }
        initfood();
        head = (struct snake *)malloc(sizeof(struct snake));
        head->hang = 1;
        head->lie = 1;
        head->next = null;

        tail = head;
        addnode();
        addnode();
        addnode();
}

void delenode()   //delete the node of snake   
{
 struct snake *p;
 p = head;
 head = head->next;
 free(p);
}

int ifsnakedie()  //judge whether the snake is die
{
 struct snake *p;
 p = head;
 if(tail->hang < 0 || tail->lie == 0 || tail->hang == 20 || tail->lie == 20)
        {
         return 1;     
        }
 while(p->next != null)
 {
  if(p->hang == tail->hang && p->lie == tail->lie)
   return 1;
  p=p->next;
 }
 return 0;
}

void movesnake()  //move the snake
{
 addnode();
 if(hasfood(tail->hang,tail->lie))
 { initfood();
  nub++;  //judge whether win
 }
 else
  delenode();
 if(set != 49 && set != 50 && set != 53)
 {
  if(ifsnakedie())
   initsnake();
 }
}

void refreshjiemian()  //refresh the picture
{
 while(1)
 {
  movesnake();
  gamepic();
  refresh();
  switch(set)
  {
   case 49:
    usleep(200000);
    break;
   case 50:
                                usleep(100000);
                                break;
   case 51:
                                usleep(100000);
                                break;
   case 52:
                                usleep(80000);
                                break;
   case 53:
    usleep(70000);
    break;
   default:
    usleep(150000); 
  }
 }
}

void turn(int direction) //prevent reverse
{
 if(set != 49 && set != 50 && set != 53)
 { if(abs(dir) != abs(direction))
  {
   dir = direction;
  }
 }
 else 
  dir = direction;
}

void changedir()  //change direction
{
 while(1)
 {
  if(set != 53)
  {
   key = getch();
   switch(key)
   {
    case key_down:
     turn(down);   //-1
     break;
    case key_up:
     turn(up);     //1
     break;
    case key_left:
     turn(left);   //2
     break;
    case key_right:
     turn(right);  //-2
     break;
   } 
  }
  else
  {
   if(tail->hang > food.hang)
    turn(up);
   else if(tail->hang < food.hang)
    turn(down);
   if(tail->lie > food.lie)
    turn(left);
   else if(tail->lie < food.lie)
    turn(right); 
  }
 }
}

int main()
{
 initncurse();

 printw("======welcome to snake eating!======\n");
 printw("------------------------------------\n"); 
 printw("please select difficulty level:\n");
 printw("\n");
 printw("   fool,please enter    \"1\"\n");
 printw("   simple,please enter  \"2\"\n");
 printw("   hard,please enter    \"3\"\n");
 printw("   hell,please enter    \"4\"\n");
 printw("   auto,please enter    \"5\"\n");
 printw("------------------------------------\n");
 printw("you want:");

 set = getch();

 pthread_t t1;
 pthread_t t2;

 initsnake();

 gamepic();

 pthread_create(&t1,null,(void *)refreshjiemian,null);
 pthread_create(&t2,null,(void *)changedir,null);

 while(1);

 endwin();
 return 0;
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。