Make a Guitar Game in C++

GuitarGame.cpp

/*	Paul Booth
	Guitar Hero clone in ascii. (mary had a little lamb)
*/

#include <iostream>
#include <windows.h>
#define G 392
#define A 440
#define B 494
#define D 587
#define E 659

#define quarternote 200
#define stepsleep 50
#define gameheight 23
#define slowness 2
using namespace std; 


struct note{
	int x;
	int freq;
	int length;
	int y;
};
void gotoxy(int x,int y);
void clrscr();
void setTextColor(int fg,int bg);
struct note greenNote(int posy);
struct note redNote(int posy);
struct note yellowNote(int posy);
struct note blueNote(int posy);
struct note orangeNote(int posy);

struct note greenNote(int posy,int l);
struct note redNote(int posy,int l);
struct note yellowNote(int posy,int l);
struct note blueNote(int posy,int l);
struct note orangeNote(int posy,int l);


struct note notes[]={
		yellowNote(1),
	redNote(2),
greenNote(3),
	redNote(4),
		yellowNote(5),
		yellowNote(6),
		yellowNote(7,2*quarternote),
	redNote(9),
	redNote(10),
	redNote(11,2*quarternote),//10
greenNote(13),	 
				blueNote(14),
				blueNote(15,2*quarternote),
		yellowNote(17),
	redNote(18),
greenNote(19),
	redNote(20),
		yellowNote(21),
		yellowNote(22),
		yellowNote(23),//20
		yellowNote(24),
	redNote(25),
	redNote(26),
		yellowNote(27),
	redNote(28),
greenNote(30,4*quarternote),
//end mary had a little lamb
				orangeNote(35),
			blueNote(36),
		yellowNote(37),
	redNote(38),//30
greenNote(39),
{3,800,4*quarternote,41}


};
int numofnotes=32;
int main( void )
{
for(int i=0;i<numofnotes;i++){
notes[i].y*=slowness;
//slow down song- make it more playable

}
	int currenty=-gameheight, deadnum=-1, score=0;
	
	int keys[]={49,50,51,52,53};//controls for frets
	int colors[]={FOREGROUND_GREEN|FOREGROUND_INTENSITY,//green
					FOREGROUND_RED|FOREGROUND_INTENSITY,//red
					FOREGROUND_RED|FOREGROUND_GREEN|FOREGROUND_INTENSITY, //yellow
					FOREGROUND_BLUE|FOREGROUND_INTENSITY, //blue
					FOREGROUND_RED|FOREGROUND_BLUE};//purple
	while(currenty<notes[numofnotes-1].y+gameheight){
		currenty++;
		Sleep(100);
		clrscr();
		
		int i=0;
		boolean beeped=false;//note at strum point
		for(i=deadnum+1;i<numofnotes&&notes[i].y-currenty<gameheight;i++){
		setTextColor(0,0);
		gotoxy(2*notes[i].x,currenty-notes[i].y+gameheight-1);//write over old note spot
		cout<<' '<<'\n';
		setTextColor(colors[notes[i].x-1],0);//set correct color
		gotoxy(2*notes[i].x,currenty-notes[i].y+gameheight);
		cout<<char(15)<<'\n';//draw note
		
		if (notes[i].y==currenty){	//note at strum point	
			if (GetAsyncKeyState(VK_BACK)<0){//strumming
				if (GetAsyncKeyState(keys[notes[i].x-1])<0){//correct note pressed
					Beep(notes[i].freq,notes[i].length);
					score+=int(notes[i].length/quarternote);
				}else
					 score--;//deducted for missed fret
			
			}
			else score--;//missed the note
			deadnum=i;//most recent passed note
			beeped=true;
		}
		}
		if (!beeped){
		if (GetAsyncKeyState(VK_BACK)>0) score--;//no note and strummed
		}
		
		gotoxy(0,gameheight);
		setTextColor(15,17);
		cout<<"|-XOXOXOXOX-|\n";
		
		setTextColor(17,15);//draw P if button is pressed
		for (int j=0;j<5;j++){
				gotoxy(j*2+2,gameheight-1);
			if (GetAsyncKeyState(keys[j]))
			{
				cout<<"P\n";
			}
			else{
				cout<<" \n";
			}
		}
		//show score
		gotoxy(15,gameheight);
		setTextColor(10,9);
		cout<<"Score:"<<score<<"\n";
		
		//song over
		if (deadnum+1>=numofnotes){
		setTextColor(colors[1],0);
		gotoxy(0,notes[deadnum].y-currenty+gameheight);
		cout<<' '<<char(176)<<char(219)<<char(177)<<char(219)<<char(178)<<char(219)<<char(178)<<char(219)<<char(177)<<char(219)<<char(176)<<' '<<"\n";
		}
		
		
		}
		setTextColor(15,0);
		cout<<"YOU ROCK!!!";
		
	return 0;
}
struct note greenNote(int posy){
	 struct note beep={1,G,quarternote,posy};

	return beep;
}
struct note redNote(int posy){
 struct note beep={2,A,quarternote,posy};

		return beep;
}
struct note yellowNote(int posy){
	 struct note beep={3,B,quarternote,posy};

	return beep;
}
struct note blueNote(int posy){
 	struct note beep={4,D,quarternote,posy};

	return beep;
}
struct note orangeNote(int posy){
 	struct note beep={5,E,quarternote,posy};

	return beep;
}
struct note greenNote(int posy,int l){
	 struct note beep={1,G,l,posy};

	return beep;
}
struct note redNote(int posy,int l){
	 struct note beep={2,A,l,posy};

	return beep;
}
struct note yellowNote(int posy,int l){
	 struct note beep={3,B,l,posy};

	return beep;
}
struct note blueNote(int posy,int l){
 	struct note beep={4,D,l,posy};

	return beep;
}
struct note orangeNote(int posy,int l){
 	struct note beep={5,E,l,posy};

	return beep;
}
void gotoxy(int x, int y)//moves cursor to position on screen
{
   COORD coord;
   coord.X = x;
   coord.Y = y;
   SetConsoleCursorPosition(GetStdHandle (STD_OUTPUT_HANDLE), coord);
}

void clrscr ()
{
   system ("cls");
}
void setTextColor(int fg,int bg){//sets foreground and background text colors
	HANDLE hconsole= GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleTextAttribute(hconsole, fg|bg<<4);

}