#define __LIBRARY__
#include<stdio.h>
#include<unistd.h>
#include<stdlib.h>
#include<errno.h>
#include<time.h>
#include<linux/tty.h>
#define vga_graph_memstart 0xA0000
#define vga_graph_memsize 64000
#define cursor_side 6
#define vga_width 320
#define vga_height 200

#define BIRD_X 120
#define BIRD_Y 100
#define BIRD_WIDTH 10
#define BIRD_HEIGHT 8
#define MAX 40

char *p;
int i,j,x_pos,y_pos,k;
struct message *msg;
int cnt;
int bird_y;
int px[MAX];
int py[MAX];
int h[MAX];
char *pp;
int ii,jj;
int nn;

_syscall0(int,init_graphics)
_syscall1(int,get_message,struct message * ,msg)
_syscall3(int,repaint,int ,x,int ,y,int ,h)
int main()
{
	x_pos=20;
	y_pos=20;
	bird_y=BIRD_Y;
	init_graphics();
	px[0]=BIRD_X;
	py[0]=bird_y;
	h[0]=BIRD_HEIGHT;
	cnt=30;
	for(i=1;i<cnt;i++)
	{
		if(i%2==0)	
		{
		px[i]=120+20*i;
		py[i]=0;
		h[i]=90+i*2;
		}
		else
		{
		px[i]=30+20*i;
		h[i]=h[i-1]-13*i%17;
		py[i]=200-1-h[i];
		}
	}
	msg=NULL;
	nn=50;
	while(--nn)
	{
		repaint(px[0],py[0],h[0]);
		for(i=1;i<cnt;i++)
		{
		px[i]-=20;
		repaint(px[i],py[i],h[i]);
		}
		k=3;
		while(k>0)
		{
			--k;
			get_message(msg);
			if(msg!=NULL)py[0]-=10;
			sleep(2);
		}
		sleep(4);
		for(k=1;k<cnt;k++)
		{
			if(k%2==0)
			if(px[0]+6>px[k] && px[0]+6<px[k]+10 && py[0]<h[k])
		{
			repaint(44,44,44);
			return 0;
		}else{
		if(px[0]+6>px[k] && px[0]+6<px[k]+10 && py[0]+6+h[k]>199)
		{
				repaint(44,44,44);
				return 0;

		}
		}

		}		
	}
repaint(44,44,44);
return 0;
}