用c++实现的"贪吃蛇"游戏源码
// greedsnake.cpp
#include <bios.h>
#include <conio.h>
#include <dos.h>
#include <graphics.h>
#include <stdlib.h>
#include <time.h>
#include "conf.h"
typedef struct node
{
int x,y;
struct node *next;
}Node;
typedef struct
{
Node *head,*tail;
int length;
}Snake;
typedef struct
{
int left,top,right,bottom;
}Frame;
typedef enum //四个方向
{
up,down,left,right
}Direction;
typedef enum
{
false,true
}bool;//*/
void InitGraphMode(); //初始化图形驱动
void CloseGraphMode();
void Foot(int,int);
void Head(int,int);
void CreateFrame(); //完成整个游戏框架的绘制
void CreateSnake(); //创建一条两个节点的蛇,蛇的每一节是队列中的一个节点
bool PlayGame(); //游戏的主体函数,
int Hit(int,int); //判断是否越界,或者撞到自身,两个参数分别是新的头接点的x,y坐标
bool GameOver(); //绘制游戏结束时弹出的对话框
void Enqueue(Node); //入队函数
Node Dequeue(); //出队函数
void ClearKeyBuf(); //清除键盘缓冲,此函数可以消除不停的按无效键的影响
Snake snake;
Frame frame;
void main()
{
InitGraphMode();
do
{
CreateFrame();
}while(PlayGame());
CloseGraphMode();
}
void InitGraphMode()
{
int gdriver=DETECT,gmode;
initgraph(&gdriver,&gmode,"../bgi/");
cleardevice();
}
void CloseGraphMode()
{
cleardevice();
closegraph();
}
void CreateFrame()
{
setbkcolor(CYAN);
//下面的四行代码用于计算主框架的左上角和右下角的坐标
frame.left=(getmaxx()+1-BlockWidth*RowOfFrame)/2;
frame.top=(getmaxy()+1-BlockHeight*ColumnOfFrame)/2;
frame.right=frame.left+BlockWidth*RowOfFrame;
frame.bottom=frame.top+BlockHeight*ColumnOfFrame;
Head(frame.left+100,frame.top-20);
setfillstyle(SOLID_FILL,LIGHTGRAY);
bar(frame.left,frame.top,frame.right,frame.bottom);
setlinestyle(SOLID_LINE,1,1);
setcolor(DARKGRAY);
line(frame.left,frame.top,frame.right,frame.top);
line(frame.left,frame.top,frame.left,frame.bottom);
setlinestyle(SOLID_LINE,1,1);
setcolor(WHITE);
line(frame.left,frame.bottom,frame.right,frame.bottom);
line(frame.right,frame.top,frame.right,frame.bottom);
setlinestyle(DOTTED_LINE,1,1);
setcolor(BLUE);
for(int row=1;row<RowOfFrame;row++)
line(frame.left+row*BlockWidth,frame.top,frame.left+row*BlockWidth,frame.bottom);
for(int column=1;column<ColumnOfFrame;column++)
line(frame.left,frame.top+column*BlockHeight,frame.right,frame.top+column*BlockHeight);
Foot(frame.left,frame.bottom+20);
}
void CreateSnake()
{
Node *node1=new Node;
Node *node2=new Node;
node1->x=frame.left+BlockWidth;
node1->y=frame.top;
node1->next=NULL;
snake.tail=node1;
node2->x=frame.left;
node2->y=frame.top;
node2->next=snake.tail;
snake.head=node2;
snake.length=2;
setfillstyle(SOLID_FILL,BLUE);
bar(snake.head->x+1,snake.head->y+1,snake.head->x+BlockWidth-1,snake.head->y+BlockHeight-1);
bar(snake.tail->x+1,snake.tail->y+1,snake.tail->x+BlockWidth-1,snake.tail->y+BlockHeight-1);
}
bool PlayGame()
{
int speed=300,key;
Direction CurrentDirection=right;
Node randomNode;
Node newNode,outNode;
bool neednode=true;
bool overlap=false;
int randx,randy;
CreateSnake();
while(true)
{
if(neednode==true)
{
randomize();
do
{
randx=frame.left+rand()%RowOfFrame*BlockWidth;
randy=frame.top+rand()%ColumnOfFrame*BlockHeight;
for(Node *p=snake.head;p!=NULL;p=p->next)//hit itself
if(randx==p->x&&randy==p->y)
{overlap=true;break;}
}
while(overlap==true);
randomNode.x=randx;
randomNode.y=randy;
randomNode.next=NULL;
setfillstyle(SOLID_FILL,RED);
bar(randomNode.x+1,randomNode.y+1,randomNode.x+BlockWidth-1,randomNode.y+BlockHeight-1);
neednode=false;
}
if((key=bioskey(1))!=0)
{
switch(key)
{
case ESC: return false;
case UP:
if(CurrentDirection!=down)
CurrentDirection=up;
ClearKeyBuf();
break;
case DOWN:
if(CurrentDirection!=up)
CurrentDirection=down;
ClearKeyBuf();
break;
case LEFT:
if(CurrentDirection!=right)
CurrentDirection=left;
ClearKeyBuf();
break;
case RIGHT:
if(CurrentDirection!=left)
CurrentDirection=right;
ClearKeyBuf();
break;
case PAGEUP:speed=speed-100;
if(speed<100)
speed=100;
ClearKeyBuf();
break;
case PAGEDOWN:speed=speed+100;
if(speed>500)
speed=500;
ClearKeyBuf();
break;
default :break;
}
}
int headx=snake.tail->x;
int heady=snake.tail->y;
switch(CurrentDirection)
{
case up: heady-=BlockHeight;break;
case down: heady+=BlockHeight;break;
case left: headx-=BlockWidth;break;
case right: headx+=BlockWidth;break;
}
if(Hit(headx,heady)) //whether the snake hit the wall or itself
return GameOver();
else
{ //eat
if(headx==randomNode.x&&heady==randomNode.y)
{
Enqueue(randomNode);
setfillstyle(SOLID_FILL,BLUE);
bar(randomNode.x+1,randomNode.y+1,randomNode.x-1+BlockWidth,randomNode.y-1+BlockHeight);
neednode=true;
}
else //no eat
{
newNode.x=headx;
newNode.y=heady;
newNode.next=NULL;
Enqueue(newNode);
outNode=Dequeue();
setfillstyle(SOLID_FILL,LIGHTGRAY);
bar(outNode.x+1,outNode.y+1,outNode.x+BlockWidth-1,outNode.y+BlockHeight-1);
setfillstyle(SOLID_FILL,BLUE);
bar(newNode.x+1,newNode.y+1,newNode.x-1+BlockWidth,newNode.y-1+BlockHeight);
}
}
delay(speed);
}
}
void ClearKeyBuf()
{
do
bioskey(0);
while(bioskey(1));
}
void Foot(int x,int y)
{
setcolor(BLUE);
outtextxy(x,y,"writer:[T]RealXL E-MAIL:
[email protected]");
}
void Head(int x,int y)
{
setcolor(RED);
outtextxy(x,y,"GREEDY SNAKE");
}
void Enqueue(Node inNode)
{
Node *p=new Node;
p->x=inNode.x;
p->y=inNode.y;
p->next=inNode.next;
snake.tail->next=p;
snake.tail=p;
snake.length++;
}
Node Dequeue()
{
Node *p=snake.head;
Node outNode=*p;
snake.head=p->next;
snake.length--;
delete p;
return outNode;
}
int Hit(int x,int y)
{
if(x<frame.left||x>=frame.right||y<frame.top||y>=frame.bottom)//hit the wall
return 1;
Node *p=snake.head->next;
for(int i=snake.length-1;i>3;i--,p=p->next)//hit itself
if(x==p->x&&y==p->y)
return 1;
return 0;
}
bool GameOver()
{
int x=getmaxx()/2-50;
int y=getmaxy()/2-20;
setfillstyle(SOLID_FILL,DARKGRAY);
bar(x+3,y+3,x+103,y+43);
setfillstyle(SOLID_FILL,MAGENTA);
bar(x,y,x+100,y+40);
setlinestyle(0,3,1);
setcolor(RED);
rectangle(x,y,x+100,y+40);
outtextxy(x+20,y+10,"GAGE OVER!");
char c;
while(true) //按q或Q表示退出程序,按r或R表示重新开始游戏
{
c=getch();
if(c=='q'||c=='Q')
return false;
else if(c=='r'||c=='R')
return true;
}
}
C++五子棋源程序：
#include
#include
#include
#define backcolor CYAN
#define defaultcolor BLACK
#define linecolor MAGENTA
#define player1_color RED
#define player2_color WHITE
#define error_color RED
#define winner_color RED
const int left=40;
const int top=390;
const int d=30;
const int line_num=9;
const int turn=0;
const int r=d/3;
const int j=10;
int x,y,k=1,step=(line_num+1)*(line_num+1);
union REGS regs1,regs2;
class player1;
class player2;
class qipan{
public:
qipan();
~qipan(){};
void init_qipan();
friend void fall(player1 &num1,player2 &num2,qipan &num);
friend void input(player1 &num1,player2 &num2,qipan &num);
private:
int point[line_num+1][line_num+1];
};
class player1{
public:
player1();
~player1(){};
friend void fall(player1 &num1,player2 &num2,qipan &num);
friend void input(player1 &num1,player2 &num2);
friend int judge_winner(player1 &num1,player2 &num2);
private:
int point1[line_num+1][line_num+1];
};
class player2{
public:
player2();
~player2(){};
friend void fall(player1 &num1,player2 &num2,qipan &num);
friend void input(player1 &num1,player2 &num2,qipan &num);
friend int judge_winner(player1 &num1,player2 &num2);
private:
int point2[line_num+1][line_num+1];
};
void input(player1 &num1,player2 &num2);
void fall(player1 &num1,player2 &num2,qipan &num);
int judge_winner(qipan &num,player1 &num1,player2 &num2);
void inputerror();
void display_winner(int);
void main()
{
int driver=DETECT,mode;
initgraph(&driver,&mode,"e:\tc30\bgi");
qipan num;
player1 num1;
player2 num2;
while(step--)
{
input(num1,num2,num);
fall(num1,num2,num);
if(judge_winner(num1,num2))
{
display_winner(k);
}
}
// getchar();
}
qipan::qipan(void)
{ int j,i;
char ch[2]="0";
setbkcolor(backcolor);
setcolor(linecolor);
for(i=0;i<=line_num;i++)
{
line(left,top-i*d,left+line_num*d,top-i*d);
}
for(i=0;i<=line_num;i++)
{
line(left+i*d,top,left+i*d,top-line_num*d);
}
for(i=0;i<=line_num;i++)
{ if(*ch=='9'+1) *ch='a';
settextstyle(DEFAULT_FONT,HORIZ_DIR,1);
outtextxy(left+i*d-2,top+r+3,ch);
(*ch)=(*ch)+1;
}
*ch='0';
for(i=0;i<=line_num;i++)
{if(*ch=='9'+1) *ch='a';
settextstyle(DEFAULT_FONT,HORIZ_DIR,1);
outtextxy(left-r-10,top-d*i-3,ch);
(*ch)=(*ch)+1;
}
setcolor(defaultcolor);
for(i=0;i<=line_num;i++)
{
for(j=0;j<=line_num;j++)
point[i][j]=0;
}
}
void fall(player1 &num1,player2 &num2,qipan &num)
{
int flag=k%2;
if(flag)
{ setcolor(player2_color);
num2.point2[x][y]=1;
num.point[x][y]=2;
circle(left+d*x,top-d*y,r);
setfillstyle(1,player2_color);
floodfill(left+d*x,top-d*y,player2_color);
}
else
{ num1.point1[x][y]=1;
num.point[x][y]=1;
setcolor(player1_color);
circle(left+d*x,top-d*y,r);
setfillstyle(1,player1_color);
floodfill(left+d*x,top-d*y,player1_color);
}
setcolor(defaultcolor);
}
void input(player1 &num1,player2 &num2,qipan &num)
{ char xx,yy;
k++;
while(1)
{
regs1.h.ah=0;
xx=int86(22,®s1,®s1)-'0';
if(xx==('q'-'0')||xx==('Q'-'0'))
{ step=0;
return;
}
regs1.h.ah=0;
yy=int86(22,®s1,®s1)-'0';
if(yy==('q'-'0')||yy==('Q'-'0'))
{
step=0;
return ;
}
if(xx<0||xx>line_num)
{ inputerror();
continue;
}
if(yy<0||yy>line_num)
{inputerror();
continue;
}
if(num.point[xx][yy]==0)
{
break;
}
else
{
inputerror();
continue;
}
}
x=(int)xx;
y=(int)yy;
setcolor(backcolor);
settextstyle(DEFAULT_FONT,HORIZ_DIR,1);
outtextxy(left+d*line_num/3,top+d*2,"Input error");
setcolor(defaultcolor);
}
player1::player1()
{
int i,j;
for(i=0;i<=line_num;i++)
{
for(j=0;j<=line_num;j++)
point1[i][j]=0;
}
}
player2::player2()
{ int i,j;
for(i=0;i<=line_num;i++)
{
for(j=0;j<=line_num;j++)
point2[i][j]=0;
}
}
void inputerror(void)
{ setcolor(error_color);
settextstyle(DEFAULT_FONT,HORIZ_DIR,1);
outtextxy(left+d*line_num/3,top+d*2,"Input error");
setcolor(defaultcolor);
}
int judge_winner(player1 &num1,player2 &num2)
{
int count=0,m=0,n=0,a=0,b=0,xx0,yy0;
int flag=k%2;
xx0=x; yy0=y;
if(!flag)
{ //left <-------> right
while(xx0>=1&&m<4) {xx0--;m++;}
while(n<9&&xx0<=line_num)
{
if(num1.point1[xx0][y]==1)
{
count++;
if(count==5) return 1;
}
else
{
count=0;
}
n++;
xx0++;
}
//up <------> down
count=0; xx0=x; m=0; n=0;
while(yy0>=1&&m<4){yy0--;m++;}
while(n<9&&yy0<=line_num)
{
if(num1.point1[x][yy0]==1)
{
count++;
if(count==5)
return 1;
}
else
{
count=0;
}
n++;
yy0++;
}
//left up ----- right down
xx0=x;
yy0=y;
m=0;
n=0;
count=0;
while(xx0>=1&&m<4){ xx0--; a++; m++;} m=0;
while(yy0<=line_num&&m<4){ yy0++; b++; m++;}
if(a<=b)
{
xx0=x-a; yy0=y+a;
}
else
{
xx0=x-b; yy0=y+b;
}
while(xx0<=line_num&&yy0>=0&&n<9)
{
if(num1.point1[xx0][yy0]==1)
{
count++;
if(count==5)
return 1;
}
else
{
count=0;
}
xx0++;
yy0--;
n++;
}
//right up <-----> left down
count=0;
a=0;
b=0;
n=0;
m=0;
xx0=x;
yy0=y;
while(xx0while(yy0if(a<=b)
{
xx0=x+a;
yy0=y+a;
}
else
{
xx0=x+b;
yy0=y+b;
}
while(xx0>=0&&yy0>=0&&n<9)
{
if(num1.point1[xx0][yy0]==1)
{
count++;
if(count==5)
return 1;
}
else
count=0;
xx0--;
yy0--;
n++;
}
//no winer
return 0;
}
else
{
//left <-------> right
while(xx0>=1&&m<4) {xx0--;m++;}
while(n<9&&xx0<=line_num)
{
if(num1.point1[xx0][y]==1)
{
count++;
if(count==5) return 1;
}
else
{
count=0;
}
n++;
xx0++;
}
//up <------> down
count=0; xx0=x; m=0; n=0;
while(yy0>=1&&m<4){yy0--;m++;}
while(n<9&&yy0<=line_num)
{
if(num2.point2[x][yy0]==1)
{
count++;
if(count==5)
return 1;
}
else
{
count=0;
}
n++;
yy0++;
}
//left up ----- right down
xx0=x;
yy0=y;
m=0;
n=0;
count=0;
while(xx0>=1&&m<4){ xx0--; a++; m++;} m=0;
while(yy0<=line_num&&m<4){ yy0++; b++; m++;}
if(a<=b)
{
xx0=x-a; yy0=y+a;
}
else
{
xx0=x-b; yy0=y+b;
}
while(xx0<=line_num&&yy0>=0&&n<9)
{
if(num2.point2[xx0][yy0]==1)
{
count++;
if(count==5)
return 1;
}
else
{
count=0;
}
xx0++;
yy0--;
n++;
}
//right up <-----> left down
count=0;
a=0;
b=0;
n=0;
m=0;
xx0=x;
yy0=y;
while(xx0while(yy0if(a<=b)
{
xx0=x+a;
yy0=y+a;
}
else
{
xx0=x+b;
yy0=y+b;
}
while(xx0>=0&&yy0>=0&&n<9)
{
if(num2.point2[xx0][yy0]==1)
{
count++;
if(count==5)
return 1;
}
else
count=0;
xx0--;
yy0--;
n++;
}
//no winer
return 0;
}
}
void display_winner(int k)
{
int flag=k%2;
if(!flag)
{ setcolor(winner_color);
settextstyle(DEFAULT_FONT,HORIZ_DIR,2);
outtextxy(left+d*2,top+40,"Red is winner");
setcolor(defaultcolor);
step=0;
getchar();
}
else
{ setcolor(winner_color);
settextstyle(DEFAULT_FONT,HORIZ_DIR,2);
outtextxy(left+2*d,top+40,"White is winner");
setcolor(defaultcolor);
step=0;
}
}