mtcs.rar_c语言毕业设计_毕业设计_贪食蛇

#include<graphics.h> #include<bios.h> #include<stdio.h> #include<stdlib.h> #include<time.h> #include<dos.h> #include<conio.h> #include<ctype.h> /**********************************************************/ /* 定义符号常量 */ #define len sizeof(struct snake) #define Q (*que) #define FILENAME "c:\\person.dat" /*文件保存路径*/ /**********************************************************/ /* 定义数据结构*/ /*蛇节点*/ struct snake_base { int x; int y; }; /*队列节点 */ struct snake { struct snake_base data; struct snake *next; }; /*队列 */ struct queue { struct snake *front,*rear; }; /*排行榜结构*/ struct person { char name[20]; int score; }; /**********************************************************/ /* 定义全局变量 */ struct person per[5]; /**********************************************************/ /************************************************************************************/ /*自定义函数原型说明 */ void inques(struct queue *que,int x,int y); /*入队函数*/ void creatque(struct queue Q,int m); /*创建队列*/ struct snake_base delete(struct queue *que); /*出队函数,返回值为一个蛇节点*/ void *picture(int type); /*绘制方块函数*/ void draw(int x,int y,void *p); /*从图形缓存中读出数据,并显示在屏幕上*/ int search(int x,int y,struct snake *tmpHead); /*判断蛇头是否与蛇身相遇函数*/ void creat_menu(); /*产生主界面*/ void ReadFiles(); /*从文件中读取记录信息*/ void WriteFiles(struct person *); /*将记录写入文件中*/ void InitScoreFiles(); /*初始化记录文件*/ void CompareScore(struct person ); /*排行榜按分数进行排序*/ void pain_board(); /*绘制排行榜函数*/ void pain_gameover(); /*绘制游戏结束时的图形*/ void HelpMessage(); /***********************************************************************************/ /**********************************************************/ /*主函数*/ void main() { int gm=VGAHI,gd=VGA; int mark,level,m,key,hi,lo,h; int s1,m1,i,j,k,xn,yn,flag,bl; long time; unsigned s2; void *p1,*p2; char ch,string[3]; struct person CurPerson; struct queue *que; struct snake *q; struct snake_base x1; struct time t[1]; do { flag=1;bl=0;que=NULL; /*下面两行为初始化游戏变量*/ time=30000;mark=0;level=1;m=0; gettime(t);/*初始化随机数*/ s1=t[0].ti_sec; m1=t[0].ti_min; s2=s1*m1; srand(s2); initgraph(&gd,&gm,""); p1=picture(1); p2=picture(0); creatque(que,3); creat_menu(); itoa(mark,string,10); setcolor(15); outtextxy(545,30,string); itoa(level,string,10); outtextxy(545,50,string); q=Q.front->next; for(k=0;k<=2;k++) /*遍历队列,绘制初始状态的蛇身*/ { draw(q->data.x,q->data.y,p1); if(k==2) { /*队尾节点为蛇头,取出赋值给i,j*/ i=q->data.x;j=q->data.y; } q=q->next; } do { xn=((unsigned long)rand())%31+1; /*随即产生两个坐标,作为新节点*/ yn=((unsigned long)rand())%29+1; }while(xn<1||xn>31||yn<1||yn>29||search(xn,yn,que->front));/*采用条件来约束随机点的范围*/ draw(xn,yn,p1); lo=0;hi=72;h=72; while(flag) { if(kbhit()) { /*检查键盘事件*/ key=bioskey(0); if(kbhit()) getch(); lo=key & 0x00ff; if(lo==0) hi=(key & 0xff00)>>8; } switch(hi) { case 72:if(h!=80) {h=72;j--;} else {hi=80;j++;} break; case 80:if(h!=72) {h=80;j++;} else {hi=72;j--;} break; case 75:if(h!=77) {h=75;i--;} else {hi=77;i++;} break; case 77:if(h!=75) {h=77;i++;} else {hi=75;i--;} break; } if((xn==i)&&(yn==j)) { /*蛇头与新节点相遇,蛇身变长,同时新节点入队*/ m++; if(m==5)/*每吃5颗子，难度增加一级*/ { level=level+1; if(time>6000)time=time-2000; itoa(level,string,10); setfillstyle(1,1); bar(545,50,575,60); setcolor(15); outtextxy(545,50,string); m=0; } mark=mark+1; itoa(mark,string,10); setfillstyle(1,1); bar(545,30,575,40); setcolor(15); outtextxy(545,30,string); inques(que,xn,yn); do { xn=((unsigned long)rand())%31+1; yn=((unsigned long)rand())%29+1; }while(xn<1||yn>29||xn>31||yn<1||search(xn,yn,que->front)); draw(xn,yn,p1); } else { if ((i<1)||(i>31)||(j<1)||(j>29)||search(i,j,que->front)) /*判断是否到达边界*/ { if(bl==0) flag=0; /*游戏结束标志*/ } else { /*如果没有碰到新节点,则移动蛇身,实现方法: 绘制蛇头的下一状态的,并让下一状态的坐标 入队,同时,出队一个节点(要擦除的节点坐标),用擦除图形擦除该坐标的蛇身*/ inques(que,i,j); draw(i,j,p1); x1=delete(que); draw(x1.x,x1.y,p2); } } delay(time); /*延时*/ bl=0; } ReadFiles();/*从文件中读取记录信息*/ setfillstyle(1,9); bar(14,14,447,419); pain_gameover(); if(mark>=per[4].score)/*比较当前玩家分数和最低记录分数，如满足条件，则将玩家分数写入记录中*/ { outtextxy(50,250,"Congratulations! Your Score Enter the Board!"); outtextxy(50,270,"please enter your name:"); gotoxy(7,19);printf(" "); gotoxy(7,19);scanf("%s",CurPerson.name); CurPerson.score=mark; CompareScore(CurPerson); WriteFiles(per); pain_board(); } outtextxy(50,320,"Do you want to restart the game Now? [y/n]");/*提示信息*/ while(1) { ch=getch(); if(ch=='y'||ch=='Y'||ch=='n'||ch=='N')break; } }while(ch=='y'||ch=='Y');/*整个游戏的循环，用于控制重复进行游戏*/ closegraph(); } /**********************************************************/ /*入队函数*/ void inques(struct queue *que,int x,int y) { struct snake *s; s=(struct snake *)malloc(len); s->data.x=x;s->data.y=y;s->next=NULL; que->rear->next=s;que->rear=s; } /*创建队列*/ void creatque(struct queue Q,int m) { int i,y,x; struct snake *h; h=(struct snake *)malloc(len); h->next=NULL; Q.front=h;Q.rear=h; for(i=0;i<m;i++) /*往队列中插入3个初始状态的节点*/ { y=25+2-i; inques(que,20,y); } } /*出队函数,返回值为一个蛇节点*/ struct snake_base delete(struct queue *que) { struct snake_base x; struct snake *p; p=Q.front->next;Q.front->next=p->next; x=p->data;free(p); return(x); } /*绘制方块函数*/ void *picture(int type) { void *p; int size; if(type) { /*绘制蛇身和节点方块*/ setfillstyle(1,2); bar(0,0,12,12); rectangle(1,1,11,11); rectangle(3,3,9,9); rectangle(5,5,7,7); } else { /*绘制擦除方块*/ setfillstyle(1,9); bar(0,0,12,12); } size=imagesize(0,0,12,12); /*创建图形缓存*/ p=malloc(size); getimage(0,0,12,12,p); /*读入图片到缓存中*/ cleardevice(); return(p); } /*从图形缓存中读出数据,并显示在屏幕上*/ void draw(int x,int y,void *p) { putimage(x*14,y*14,p,0); } /*判断蛇头是否与蛇身相遇函数*/ int search(int x,int y,struct snake *tmpHead) { int k; tmpHead=tmpHead->next; /*跳过蛇头节点*/ while(tmpHead!=NULL) { /*判断是否与蛇身节点有相同坐标,若有,则相碰*/ if ((tmpHead->data.x==x) && (tmpHead->data.y==y)) return(1); else { tmpHead=tmpHead->next; } } return(0); } /*绘制游戏主界面*/ void creat_menu() { int i; setbkcol