C++ > Games sample source codes

 Rattle Snake - A excellent snake game developed in c/c++.

Rattle Snake - A excellent snake game developed in c/c++. #include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h> #include <dos.h> #include <iostream.h> #include <fstream.h> #include <string.h> void main(void) { int gdriver = DETECT, gmode, errorcode; void *body,*food,*tail1,*tail2,*tail3,*tail4,*head1,*head2,*head3,*head4; int x, y,X[5000],Y[5000],i=3, maxx,maxy,speed=100,bo=10,t[10],score=0,hscore=20; unsigned int size; char a='6',b,scor[4],hs[4]; int k=2,l,r1,r2,f=0,z=100,first=0,second=1;; r1=300; r2=350; ifstream infile("c:\tc\bin\rattle.txt"); infile.getline(hs,4); infile.close(); hscore = atoi(hs); /* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "c:\tc\bgi"); /* read result of initialization */ errorcode = graphresult(); if (errorcode != grOk) /* an error occurred */ { printf("Graphics error: %s ", grapherrormsg(errorcode)); printf("Press any key to halt:"); getch(); exit(1); /* terminate with an error code */ } maxx = getmaxx(); maxy = getmaxy(); y = 160; x = 80; for(int j=0; j<=3; j++) { X[i-j]=x-bo*(j+1); Y[i-j]=y; } //body setfillstyle(1,2); bar(10,10,20,20); setcolor(0); setlinestyle(0,1,3); line(9,9,21,21); line(9,21,21,9); size = imagesize(10,10,20,20); body = malloc(size); getimage(10,10,20,20,body); cleardevice(); setcolor(0); //tail1-right t[0]=20; t[1]=10; t[2]=10; t[3]=10; t[4]=20; t[5]=15; t[6]=10; t[7]=20; t[8]=20; t[9]=21; fillpoly(5, t); size = imagesize(10,10,20,21); tail1 = malloc(size); getimage(10,10,20,21,tail1); cleardevice(); //tail2-left t[0]=10; t[1]=10; t[2]=20; t[3]=10; t[4]=10; t[5]=15; t[6]=20; t[7]=20; t[8]=10; t[9]=21; fillpoly(5, t); size = imagesize(10,10,20,21); tail2 = malloc(size); getimage(10,10,20,21,tail2); cleardevice(); //tail3-up t[0]=10; t[1]=20; t[2]=10; t[3]=10; t[4]=15; t[5]=20; t[6]=20; t[7]=10; t[8]=20; t[9]=21; fillpoly(5, t); size = imagesize(10,10,20,21); tail3 = malloc(size); getimage(10,10,20,21,tail3); cleardevice(); //tail4-down t[0]=10; t[1]=10; t[2]=10; t[3]=21; t[4]=15; t[5]=10; t[6]=20; t[7]=21; t[8]=20; t[9]=10; fillpoly(5, t); size = imagesize(10,10,20,21); tail4 = malloc(size); getimage(10,10,20,21,tail4); cleardevice(); //head1-right setlinestyle(1,1,1); setcolor(2); fillellipse(10,10,10,5); setcolor(4); //eyes fillellipse(15,7,1,1); fillellipse(15,13,1,1); size = imagesize(10,5,20,15); head1 = malloc(size); getimage(10,5,20,15,head1); //head2-left //eyes fillellipse(5,7,1,1); fillellipse(5,13,1,1); size = imagesize(0,5,10,15); head2 = malloc(size); getimage(0,5,10,15,head2); cleardevice(); //head3-up //eyes setcolor(2); fillellipse(12,12,5,10); setcolor(4); fillellipse(9,6,1,1); fillellipse(15,6,1,1); size = imagesize(7,2,18,12); head3 = malloc(size); getimage(7,2,18,12,head3); //head4-down //eyes fillellipse(9,17,1,1); fillellipse(15,17,1,1); size = imagesize(7,12,18,22); head4 = malloc(size); getimage(7,12,18,22,head4); cleardevice(); //food setcolor(15); setfillstyle(1,15); fillellipse(10,10,3,5); size = imagesize(5,3,15,17); food = malloc(size); getimage(5,3,15,17,food); cleardevice(); /* repeat until a key is pressed */ maxx=getmaxx(); maxy=getmaxy(); setlinestyle(0,1,3); setcolor(9); rectangle(0,0,maxx,maxy); setlinestyle(0,1,2); line(maxx-150,0,maxx-150,maxy); setcolor(8); setfillstyle(1,8); bar(maxx-147,3,maxx-3,63); setcolor(12); int maze=1; if(maze==1) { setfillstyle(1,6); bar(4,4,maxx-154,14); bar(4,4,14,maxy-4); bar(4,maxy-4,maxx-154,maxy-14); bar(maxx-154-10,4,maxx-154,maxy-4); } settextstyle(0,0,1); delay(300); outtextxy(maxx-125,30,"RATTLE SNAKE"); delay(300); setcolor(11); setlinestyle(0,1,2); rectangle(maxx-145,65,maxx-5,205); outtextxy(maxx-128,70,"INSTRUCTIONS"); delay(200); setcolor(6); outtextxy(maxx-140,90,"Commands Key"); delay(300); setcolor(8); outtextxy(maxx-140,110," Move Up 8"); delay(50); outtextxy(maxx-140,130," Move Down 5"); delay(50); outtextxy(maxx-140,150," Move Right 6"); delay(50); outtextxy(maxx-140,170," Move Left 4"); delay(50); outtextxy(maxx-140,190," Exit 0"); delay(200); setcolor(12); setlinestyle(0,1,2); rectangle(maxx-145,210,maxx-5,350); setcolor(1); outtextxy(maxx-130,220,"Player's Name"); setcolor(15); outtextxy(maxx-100,230,"Yellow"); setcolor(4); delay(200); itoa(score,scor,10); outtextxy(maxx-140,250,"Score"); outtextxy(maxx-50,250,scor); delay(200); setcolor(10); outtextxy(maxx-140,280,"Level"); delay(200); setcolor(13); outtextxy(maxx-140,310,"Maze 1"); delay(200); setcolor(14); outtextxy(maxx-140,340,"High Score "); outtextxy(maxx-50,340,hs); for(j=0; j<=1000; j++) { putpixel(random(maxx-150),random(maxy),6); delay(1); } while (a!='0') { // plot new image if(a=='6') putimage(x, y, head1, XOR_PUT); if(a=='4') putimage(x, y, head2, XOR_PUT); if(a=='8') putimage(x, y, head3, XOR_PUT); if(a=='5') putimage(x, y, head4, XOR_PUT); for(j=0; j<k; j++) { putimage(X[i-j], Y[i-j], body, XOR_PUT); } if((X[i-j-1]-X[i-j])<0 && (Y[i-j-1]-Y[i-j])==0) putimage(X[i-j], Y[i-j], tail1, XOR_PUT); if((X[i-j-1]-X[i-j])>0 && (Y[i-j-1]-Y[i-j])==0) putimage(X[i-j], Y[i-j], tail2, XOR_PUT); if((X[i-j-1]-X[i-j])==0 && (Y[i-j-1]-Y[i-j])<0) putimage(X[i-j], Y[i-j], tail3, XOR_PUT); if((X[i-j-1]-X[i-j])==0 && (Y[i-j-1]-Y[i-j])>0) putimage(X[i-j], Y[i-j], tail4, XOR_PUT); delay(speed); if(second==1) { setcolor(15); outtextxy(maxx-140,360,"Press Any Key..."); getch(); setcolor(0); outtextxy(maxx-140,360,"Press Any Key..."); a='6'; second=2; } if(first==1) { setcolor(15); outtextxy(maxx-140,360,"Congratulations "); sound(100); delay(300); nosound(); getch(); setcolor(0); outtextxy(maxx-140,360,"Congratulations "); second++; first=2; } // erase old image if(a=='6') putimage(x, y, head1, XOR_PUT); if(a=='4') putimage(x, y, head2, XOR_PUT); if(a=='8') putimage(x, y, head3, XOR_PUT); if(a=='5') putimage(x, y, head4, XOR_PUT); for(j=0; j<k; j++) { putimage(X[i-j], Y[i-j], body, XOR_PUT); } if((X[i-j-1]-X[i-j])<0 && (Y[i-j-1]-Y[i-j])==0) putimage(X[i-j], Y[i-j], tail1, XOR_PUT); if((X[i-j-1]-X[i-j])>0 && (Y[i-j-1]-Y[i-j])==0) putimage(X[i-j], Y[i-j], tail2, XOR_PUT); if((X[i-j-1]-X[i-j])==0 && (Y[i-j-1]-Y[i-j])<0) putimage(X[i-j], Y[i-j], tail3, XOR_PUT); if((X[i-j-1]-X[i-j])==0 && (Y[i-j-1]-Y[i-j])>0) putimage(X[i-j], Y[i-j], tail4, XOR_PUT); if(f==0) { putimage(r1,r2,food,XOR_PUT); f=1; } z--; if((x>=r1 && y>=r2 && x<=r1+10 && y<=r2+10) || (x<=r1 && y<=r2 && x>=r1-10 && y>=r2-10) || z==0) { if(z!=0) { sound(800); delay(20); setcolor(0); score += 10; outtextxy(maxx-50,250,scor); itoa(score,scor,10); if(score>hscore) { strcpy(hs,scor); setfillstyle(1,1); bar(maxx-140,337,maxx-20,348); setcolor(14); outtextxy(maxx-50,340,hs); outtextxy(maxx-140,340,"High Score "); if(first==0) { first=1; } } setcolor(4); outtextxy(maxx-50,250,scor); k++; nosound(); } z=100; putimage(r1,r2,food,XOR_PUT); repr1: r1=random(450); if(r1<50) goto repr1; repr2: r2=random(400); if(r2<50) goto repr2; f=0; } i++; X[i]=x; Y[i]=y; b=a; if(kbhit()) { rep: a=getche(); if((b=='6' && a=='4') || (b=='4' && a=='6')) a=b; if((b=='8' && a=='5') || (b=='5' && a=='8')) a=b; if(a!='6' && a!='4' && a!='8' && a!='0' && a!='5') a=b; } /* if(x>maxx-170) x=0; if(y>maxy) y=0;*/ if(a=='8') y -= bo; if(a=='5') y += bo; if(a=='4') x -= bo; if(a=='6') x += bo; for(j=i+1; j<i-k; j--) { if((Y[i]>=Y[j] && Y[i]<=Y[j]+10) || (Y[i]<=Y[j] && Y[i]>=X[j]-10)) { if((X[i]>=X[j] && X[i]<=X[j]+10) || (X[i]<=X[j] && X[i]>=X[j]-10)) { a='0'; } outtextxy(maxx-140,360,"C "); } if((X[i]>=X[j] && X[i]<=X[j]+10) || (X[i]<=X[j] && X[i]>=X[j]-10)) { if((Y[i]>=Y[j] && Y[i]<=Y[j]+10) || (Y[i]<=Y[j] && Y[i]>=X[j]-10)) { a='0'; } outtextxy(maxx-140,360,"C "); } } /* for(j=i; j<i-k; j--) { if((y>=Y[j] && y<=Y[j]+10) || (y<=Y[j] && y>=Y[j]-10)) { if((x>=X[j] && x<=X[j]+10) || (x<=X[j] && x>=X[j]-10)) { a='5'; } } if((x>=X[j] && x<=X[j]+10) || (x<=X[j] && x>=X[j]-10)) { if((y>=Y[j] && y<=Y[j]+10) || (y<=Y[j] && y>=Y[j]-10)) { a='5'; } } if(j==0) break; } */ /* if(x<=0) x=maxx-170; if(y<=0) y=maxy;*/ if(maze==1) { if(x<=14 || x>=maxx-184 || y<=14 || y>=maxy-14) { a='0'; } } } if(score>hscore) { ofstream onfile("c:\tc\bin\rattle.txt"); onfile<<scor; onfile.close(); } setcolor(15); outtextxy(maxx-140,390," Gameover"); sound(100); delay(400); nosound(); getch(); /* clean up */ free(body); closegraph(); }



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