// File POLLGAMES.C in c:\Ptikva14\Polling   27-4-2014
// A witty polling swap gamer ( state machine)
#include <conio.h>
#include <stdlib.h>
#include <windows.h>
#include <stdio.h>

#define	UP    72
#define  DOWN  80
#define  LEFT  75
#define  RIGHT 77

void  showMenu   (void);
int   game1      (void);
int   game2      (void);
int   game3      (void);
int   selectGame (int choice);


void  main (void)
{
   char key='1';

	showMenu();
	while ( key!='4')
	{
		key= selectGame(key);
	}
}

void  showMenu (void)
{
	clrscr();
	_setcursortype(_NOCURSOR);
	gotoxy(55,12);
	textcolor(WHITE);
	cprintf("MENU");
	textcolor(WHITE);
	gotoxy(55,13);
	cprintf("1.GAME1");
	gotoxy(55,14);
	cprintf("2.GAME2");
	gotoxy(55,15);
	cprintf("3.GAME3");
	gotoxy(55,16);
	cprintf("4.EXIT");
}

int   game1 (void)
{
char key;
   int x =58;
   int y =35;
   int ballx=50;
   int bally= 15;
   int dirx=1;
   int diry=1;
   int i;
   int counter =0;
	while(1)
	{
   gotoxy(55,12);
	textcolor(WHITE);
	cprintf("MENU");
	textcolor(WHITE);
	gotoxy(55,13);
	cprintf("1.GAME1");
	gotoxy(55,14);
	cprintf("2.GAME2");
	gotoxy(55,15);
	cprintf("3.GAME3");
	gotoxy(55,16);
	cprintf("4.EXIT");
   	gotoxy(100,10);
   	Sleep(50);
		textcolor(random(15)+1);
   	for (i=0; i< 14; i++)
      {
      	gotoxy(x+i,y);
         cprintf("-");
      }


      if(ballx ==1)
        dirx=1;
     if(ballx==118)
       dirx=-1;
      if(bally==7)
        diry=1;
      if(bally==35)
        	diry=-1;
      gotoxy(ballx,bally);
      cprintf(" ");
      ballx = ballx+ dirx;
      bally = bally +diry;
      gotoxy(ballx,bally);
      cprintf("*");
      if(bally==35 &&(ballx-14>x||ballx<x))
      	{
         	Sleep(3000);
            counter++;
         }

		if( kbhit())
      {
      key=getch();
		 for (i=0; i<3; i++)
      	{

      if(GetAsyncKeyState(VK_RIGHT)<0)
         {
         	if (x+14!=120)
            {
           	 gotoxy(x,y);
           	 cprintf(" ");
            	x++;
            }
         }
          if(GetAsyncKeyState(VK_LEFT)<0)
         {
         	if (x!=0)
            {
         		gotoxy(x+13,y);
           	 cprintf(" ");
           		 x--;
            }
         }
			if( key>='1' && key<='4')
			{
				clrscr();
				showMenu();
				return(key);

			}
         }
	 	}

  }
}

int  game2 (void)
{
	char key;
   int x =58;
   int y =35;
   int ballx=50;
   int bally= 15;
   int dirx=1;
   int diry=1;
   int x1=58;
   int y1= 7;
   int i;
   int counter =0;
	while(1)
	{
    gotoxy(55,12);
	textcolor(WHITE);
	cprintf("MENU");
	textcolor(WHITE);
	gotoxy(55,13);
	cprintf("1.GAME1");
	gotoxy(55,14);
	cprintf("2.GAME2");
	gotoxy(55,15);
	cprintf("3.GAME3");
	gotoxy(55,16);
	cprintf("4.EXIT");
   	gotoxy(100,10);
   	Sleep(50);
		textcolor(WHITE);
   	for (i=0; i< 14; i++)
      {
      	gotoxy(x+i,y);
         cprintf("-");
      }
      for (i=0; i<14; i++)
      {
       	gotoxy(x1+i,y1);
         cprintf("-");
     	}


      if(ballx ==1)
        dirx=1;
     if(ballx==118)
       dirx*=-1;
      if(bally==7)
      {
        diry=1;
        dirx= rand() % (2+ 1 - 1) + 1  ;
      }
      if(bally==35)
      {
        	diry=-1;
         dirx = rand() % (2+1-1)+1;
      }
      gotoxy(ballx,bally);
      cprintf(" ");
      ballx = ballx+ dirx;
      bally = bally +diry;
      gotoxy(ballx,bally);
      cprintf("*");
      if(bally==35 &&(ballx-14>x||ballx<x))
      	{
         	Sleep(3000);
            counter++;
         }
      if(bally==7 &&(ballx-14>x1||ballx<x1))
      	{
         	Sleep(3000);
            counter++;
         }

	 //	if( kbhit())
      //{
      //key=getch();
		 for (i=0; i<3; i++)
      	{
          //if(GetKeyState(RIGHT) & 0x8000/*check if high-order bit is set (1 << 15)*/)
         //if(key ==RIGHT)
          if(GetAsyncKeyState(VK_RIGHT)<0)
         {
         	if (x+14!=120)
            {
           	 gotoxy(x,y);
           	 cprintf(" ");
            	x++;
            }
         }
          if(GetAsyncKeyState(VK_LEFT)<0)
         {
         	if (x!=0)
            {
         		gotoxy(x+13,y);
           	 cprintf(" ");
           		 x--;
            }
         }
         //if (key=='q')
       //if(GetKeyState('e') & 0x8000/*check if high-order bit is set (1 << 15)*/)
       if (GetKeyState(0x51) <0)
         {
         	if(x1!=0)
            {
            	gotoxy(x1+13,y1);
               cprintf(" ");
               x1--;
            }
         }


         if (GetKeyState(0x45) <0)
        // if (key=='e')
         {
         	if(x1+14!=120)
            {
            	gotoxy(x1,y1);
               cprintf(" ");
               x1++;
            }
         }
			if( GetKeyState(0x31)<0)
			{
				clrscr();
				showMenu();
				return(0x31);

			}
         if( GetKeyState(0x32)<0)
         {
         	clrscr();
				showMenu();
				return(0x32);
         }
          if( GetKeyState(0x33)<0)
         {
         	clrscr();
				showMenu();
				return(0x33);
         }
          if( GetKeyState(0x34)<0)
         {
         	clrscr();
				showMenu();
				return(0x34);
         }
         }
 //	 	}

  }
}

int  game3 (void)
{
char key;

	while(1)
	{
		gotoxy(18,20);
		textcolor(random(15)+1);
		cprintf("GAME3");
		Sleep(100);
		if( kbhit())
		{
			key=getch();
			if( key>='1' && key<='4')
			{
				clrscr();
				showMenu();
				return(key);
			}
	 }
  }
}

int  selectGame(int choice)
{
    switch(choice)
	 {
	     case '1':
		        choice=game1();
				  break;
			case '2':
		        choice=game2();
				  break;
			case '3':
					choice=game3();
					break;
			default:
				   break;
	 }
	 return(choice);
}