#include <graphics.h>
#include <conio.h>


#pragma comment(lib,"Winmm.lib")

IMAGE img_bk, img_bd1, img_bd2, img_bar_up1, img_bar_up2, img_bar_down1, img_bar_down2; int bird_x;
int bird_y;

void startup()
{
	initgraph(350, 600);
	loadimage(&img_bk, "C:\\fly bird\\background.jpg");
	loadimage(&img_bd1, "C:\fly bird\\bird1.jpg");
	loadimage(&img_bd2, "C:\\fly bird\\bird2.jpg");
	loadimage(&img_bar_up1, "C:\\fly bird\\bar_up1.gif");
	loadimage(&img_bar_up2, "C:\\fly bird\\bar_up2.gif");
	loadimage(&img_bar_down1, "C:\\fly bird\\bar_down1.gif");
	loadimage(&img_bar_down2, "C:\\fly bird\\bar_down2.gif");
	bird_x = 50;
	bird_y = 200;
	BeginBatchDraw();

	mciSendString("open C:\\fly bird\\background.mp3 alias bkmusic", NULL, 0, NULL);
	mciSendString("play bkmusic repeat", NULL, 0, NULL);  
}

void show()
{
	putimage(0, 0, &img_bk);		
	putimage(150, -300, &img_bar_up1, NOTSRCERASE); 
	putimage(150, -300, &img_bar_up2, SRCINVERT);
	putimage(150, 400, &img_bar_down1, NOTSRCERASE); 
	putimage(150, 400, &img_bar_down2, SRCINVERT);
	putimage(bird_x, bird_y, &img_bd1, NOTSRCERASE); 	
	putimage(bird_x, bird_y, &img_bd2, SRCINVERT);
	FlushBatchDraw();
	Sleep(50);
}

void updateWithoutInput()
{
	if (bird_y < 500)
		bird_y = bird_y + 3;
}

void updateWithInput()
{
	char input;
	if (_kbhit())  
	{
		input = _getch();
		if (input == ' ' && bird_y > 20)
		{
			bird_y = bird_y - 60;
			mciSendString("close jpmusic", NULL, 0, NULL); 
			mciSendString("open C:\\fly bird\\Jump.mp3 alias jpmusic", NULL, 0, NULL); 
			mciSendString("play jpmusic", NULL, 0, NULL); 
		}
	}
}

void gameover()
{
	EndBatchDraw();
	_getch();
	closegraph();
}

int main()
{
	startup(); 
	while (1)  
	{
		show(); 
		updateWithoutInput();  
		updateWithInput();     
	}
	gameover();   
	return 0;
}