BALOON SHOOTING GAME.CPP

# include "graphics.h"
# include "conio.h"
# include "stdio.h"
# include "stdlib.h"
# include "dos.h"
#define ARROW_SIZE 7
#define BALLOON_SIZE 3

int flag_arrow=0,flag_balloon=1,count_arrow=6,count_balloon=10;
void *balloon,*bow,*arrow,*burst;
void *clear_balloon,*clear_burst;
void draw_balloon(int ,int );
void draw_burst ( int x, int y );
void draw_bow(int x,int y);
void draw_arrow(int x, int y);
void shoot(int *x, int *y);
int testkeys();
void fly(int *x, int *y);
void start();

void main()
{
int gmode = DETECT, gdriver , area ;
initgraph ( &gmode, &gdriver, "c:\tc\bgi\ " ) ;
setbkcolor(1);
start();
int maxx = getmaxx() ;
int maxy = getmaxy() ;
int p=400,q=300,m=100,n=100,x=m,y=n,key,score=0,finish=0,level=1,l_flag=1;
char score1[5],ch,cnt_ball[5],char_level[2];

	rectangle ( 0, 0, maxx, maxy - 10 ) ;

	draw_burst(200,300);
	area=imagesize(0,0,32,24);
	burst=malloc(area);
	getimage(200-16,300-12,200+16,300+12,burst);
	putimage(200-16,300-12,burst,XOR_PUT);

	draw_balloon(p,q);

area=imagesize(p-4*BALLOON_SIZE,q-5*BALLOON_SIZE,p+4*BALLOON_SIZE,q+7*BALLOON_SIZE);
balloon=malloc(area);

getimage(p-4*BALLOON_SIZE,q-5*BALLOON_SIZE,p+4*BALLOON_SIZE,q+7*BALLOON_SIZE,balloon);
	putimage(p-4*BALLOON_SIZE, q-5*BALLOON_SIZE, balloon, COPY_PUT);

	draw_arrow(x ,y  );
	area = imagesize(x, y-ARROW_SIZE, x+(6*ARROW_SIZE), y+ARROW_SIZE);
	arrow=malloc(area);
	getimage(x, y-ARROW_SIZE, x+(6*ARROW_SIZE), y+ARROW_SIZE,arrow);
	putimage(x, y-ARROW_SIZE,arrow,XOR_PUT);

	draw_bow(x,y);
	area=imagesize(x+25,y-65,x+66,y+65);
	bow=malloc(area);
	getimage(x+25,y-65,x+66,y+65,bow);

	if ( balloon == NULL || burst == NULL || bow == NULL )
	{
		printf( "Insufficient memory... Press any key " ) ;
		getch() ;
		closegraph() ;
		restorecrtmode() ;
		exit( 0 ) ;
	}
// Downloaded from www.indiaexam.in
	while (!finish)
	{
		settextstyle(8,0,1);
		setusercharsize(4,4,3,3);
		outtextxy(getmaxx()/2-100,5,"LEVEL : ");
		itoa(level,char_level,10);
		setfillstyle(0,0);
		bar(getmaxx()/2+40,15,getmaxx()/2+70,45);
		outtextxy(getmaxx()/2+50,5,char_level);

		rectangle(5,360,250,460);

		if( flag_balloon && count_balloon>0 )
		fly( &p, &q );
		else
	{
		q = 400;
		flag_balloon = 1;
	}

		if( kbhit() )
		{
		key = testkeys();
		if(key==77)
		flag_arrow = 1;
		}

		if( key == 27 )
		break;
		if (key == 80 &&!flag_arrow)
		{
		x=125;
		putimage(x,y-65,bow,XOR_PUT);
		if(y<300)
		y+=25;
		putimage(x,y-65,bow,XOR_PUT);
		draw_bow(x-25,y);
		key=0;
		}
		if (key == 72 &&!flag_arrow)
		{
		x=125;
		putimage(x,y-65,bow,XOR_PUT);
		if(y>70)
		y-=25;
		putimage(x,y-65,bow,XOR_PUT);
		draw_bow(x-25,y);
		key=0;
		}
		if(count_arrow > 0 && count_balloon > 0)
		{
	if(score==100 && l_flag==1)
	{
		  level=2;
		  count_balloon=8;
		  count_arrow=6;
		  l_flag=2;
	}
	if(score==180 && l_flag==2)
	{
		 level=3;
		 count_balloon=6;
		 count_arrow=6;
		 l_flag=0;
	}
	if( key == 77 || flag_arrow)
		  {
		shoot(&x,&y);
		draw_bow(m,y);
		if(x>(p-12) && x<(p+12) && y>(q-15) && y<(q+25))
		{
		putimage(p-16,q-12,burst,COPY_PUT);
		sound(1500);
		delay(800);
		nosound();
		putimage(p-16,q-12,burst,XOR_PUT);
		count_balloon--;
		settextstyle(10,0,1);
		setusercharsize(30,70,20,70);
		outtextxy(20,380,"BALLOONS LEFT:");
		setfillstyle(0,0);
		bar(200,370,230,400);
		itoa(count_balloon,cnt_ball,10);
		outtextxy(200,380,cnt_ball);
		flag_balloon=0;
		score+=20;
		itoa(score,score1,10);
		setfillstyle(0,0);
		bar(190,getmaxy()-50,230,getmaxy()-30);
		setcolor(RED);
		outtextxy(20,getmaxy()-50,"SCORE          : ");
		outtextxy(190,getmaxy()-50,score1);
		}

		key=0;
		 }
		}
		else
		{
	clearviewport();
	setbkcolor(9);
	setcolor(10);
	settextstyle(4,0,7);
	setusercharsize(120,50,120,40);
	outtextxy(getmaxx()/2-220,getmaxy()/2-180,"GAME OVER");

	settextstyle(8,0,1);
	setusercharsize(50,60,40,50);
	if(count_arrow<=0)
	outtextxy(getmaxx()/2-100,getmaxy()/2-70,"NO MORE ARROWS");

	if(count_balloon<=0)
	outtextxy(getmaxx()/2-120,getmaxy()/2-70,"NO MORE BALLOONS");

	outtextxy(getmaxx()/2-120,getmaxy()/2-20,"YOUR SCORE IS : ");
	itoa(score,score1,10);
	outtextxy(getmaxx()/2+150,getmaxy()/2-20,score1);

	if(level==1)
	outtextxy(getmaxx()/2-220,getmaxy()/2+20,"YOU REQUIRE TO PRACTICE MORE");
	if(level==2)
	outtextxy(getmaxx()/2-70,getmaxy()/2+20,"WELL PLAYED");
	if(level==3)
	outtextxy(getmaxx()/2-220,getmaxy()/2+20,"YOU ARE AN EFFICIENT SHOOTER");

	outtextxy(getmaxx()/2-30,getmaxy()/2+50,"(Q)UIT");

	settextstyle(1,0,1);
	setusercharsize(30,65,30,60);
	while( getch() != 'q');
	finish=1;
	break;
		 }
	}
   free(bow);
   free(arrow);
   free(balloon);
   closegraph();
}

void draw_balloon(int x,int y)
{
	 setcolor(RED);
	 setfillstyle(1,RED);
	 fillellipse(x,y,3*BALLOON_SIZE,4*BALLOON_SIZE);
	 line(x,y+4*BALLOON_SIZE,x,y+6*BALLOON_SIZE);
}

void draw_burst ( int x, int y )
{
	setlinestyle(0,0,1);
	line ( x - 16, y - 12, x - 10, y - 2 ) ;
	line ( x - 10, y - 2, x - 16, y ) ;
	line ( x - 16, y, x - 10, y + 2 ) ;
	line ( x - 10, y + 2, x - 16, y + 12 ) ;

	line ( x - 16, y + 12, x - 6, y + 2 ) ;
	line ( x - 6, y + 2, x, y + 12 ) ;
	line ( x, y + 12, x + 6, y + 2 ) ;
	line ( x + 6, y + 2, x + 16, y + 12 ) ;

	line ( x - 16, y - 12, x - 6, y - 2 ) ;
	line ( x - 6, y - 2, x, y - 12 ) ;
	line ( x, y - 12, x + 6, y - 2 ) ;
	line ( x + 6, y - 2, x + 16, y - 12 ) ;

	line ( x + 16, y - 12, x + 10, y - 2 ) ;
	line ( x + 10, y - 2, x + 16, y ) ;
	line ( x + 16, y, x + 10, y + 2 ) ;
	line ( x + 10, y + 2, x + 16, y + 12 ) ;

}

void draw_bow(int x,int y)
{
	setcolor(RED);
	setlinestyle(0,0,1);
	line(x+32,y-49,x+32,y+49);
	setlinestyle(0,0,3);
	arc(x,y,300,60,60);
	arc(x+34,y-56,100,220,6);
	arc(x+34,y+56,140,260,6);
}

void shoot(int *x, int *y)
{
	char cnt_arrow[5];
	putimage(*x, *y-ARROW_SIZE, arrow, COPY_PUT);
	delay(3);
	putimage(*x, *y-ARROW_SIZE, arrow, XOR_PUT);
	*x+=ARROW_SIZE;

	if (*x>590)
	{
		*x=155;
		flag_arrow=0;
		count_arrow--;
		settextstyle(10,0,1);
		setusercharsize(30,70,20,70);
		outtextxy(20,400,"ARROWS LEFT :");
		setfillstyle(0,WHITE);
		bar(200,400,220,425);
		itoa(count_arrow,cnt_arrow,10);
		outtextxy(200,400,cnt_arrow);
	}

}
void draw_arrow(int x, int y)
{
	setlinestyle(0,0,2);
	moveto(x, y);
	linerel(6*ARROW_SIZE, 0);
	linerel(-2*ARROW_SIZE, -1*ARROW_SIZE+1);
	linerel(0, 2*ARROW_SIZE-1);
	linerel(2*ARROW_SIZE, -1*ARROW_SIZE);
}

int testkeys()
{
	union REGS ii, oo ;
	ii.h.ah = 0 ;
	int86 ( 22, &ii, &oo ) ;
	/* if ascii code is not 0 */
	if ( oo.h.al )
		return ( oo.h.al ) ;
	else
		return ( oo.h.ah ) ;
}

void fly(int *x, int *y)
{
	int x1;
	putimage(*x-4*BALLOON_SIZE, *y-5*BALLOON_SIZE, balloon, COPY_PUT);
	delay(20);
	char cnt_ball[5];
	putimage(*x-4*BALLOON_SIZE, *y-5*BALLOON_SIZE, balloon, XOR_PUT);
	*y-=BALLOON_SIZE;

	if(*y<= 20)
	{
		*y=400;
		x1=450+rand()%150;
		*x=x1;
		count_balloon--;
		settextstyle(10,0,1);
		setusercharsize(30,70,20,70);
		outtextxy(20,380,"BALLOONS LEFT:");
		setfillstyle(0,0);
		bar(200,370,230,400);
		itoa(count_balloon,cnt_ball,10);
		outtextxy(200,380,cnt_ball);
	}
}

void start()
{
	setbkcolor(0);
	settextstyle(7,0,0);
	outtextxy(10,400,"  PRESS ANY KEY TO CONTINUE....");
	settextstyle(1,0,0);
	setcolor(4);
	setusercharsize(25,15,20,4);
	outtextxy(85,120,"BALLOON SHOOTING");
	float octave[7] = { 130.81, 146.83, 164.81, 174.61, 196, 220, 246.94};
	while( !kbhit() )
	{
		sound( octave[ random(7) ]*4 );
		delay(300);
	}
	nosound();
	getch();
	clearviewport();
	rectangle(1,1,638,478);
	settextstyle(3,0,1);
	setusercharsize(50,30,50,30);
	outtextxy(150,10,"INSTRUCTIONS");
	setbkcolor(LIGHTBLUE);
	settextstyle(1,0,1);
	setusercharsize(40,70,20,20);
	outtextxy(10,70,"1. You can play three levels.");
	outtextxy(10,110,"2. You can move the bow UP and DOWN with the help of arrow keys.");
	outtextxy(10,150,"3. Press right arrow key to shoot the arrow.");
	outtextxy(10,190,"4. You score 20 points every time you shoot the balloon.");
	outtextxy(10,230,"5. First level has 6 arrows and 10 balloons.");
	outtextxy(10,270,"6. You require to score 100 points to enter the second level.");
	outtextxy(10,310,"7. Second level has 6 arrows and 8 balloons.");
	outtextxy(10,350,"8. You require to score 200 points to enter the third level.");
	outtextxy(10,390,"9. Third level has 6 arrows and 6 balloons.");
	settextstyle(7,0,1);
	outtextxy(150,430,"PRESS ANY KEY TO CONITINUE");

	getch();
	setusercharsize(1,1,1,1);
	settextstyle(0,0,0);
	setbkcolor(YELLOW);
	clearviewport();
}