C / C++ / MFC

if (arrow_keys()==75)
   {
      // worm moving logic will be here
   }

hasani2007 wrote:

when I ask the value of arrow_keys() it has no response...

#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>


#define UP 72
#define DOWN 80
#define LEFT 75
#define RIGHT 77
#define SPACE 32
#define ENTER 13
#define ESCAPE 27

  /******************/
 /*                */
/******************/

typedef struct t_worm
{ int x,y,dirx,diry; } ;

  t_worm worm;
  int ch;
   int i,j;
   char wall[15][26]={
   {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
   {1,0,0,0,1,1,1,0,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1},
   {1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,1,0,1},
   {1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,1,0,1},
   {1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
   {1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,0,1,1,0,1},
   {1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
   {1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,0,1},
   {1,0,1,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1},
   {1,1,1,1,1,1,1,1,0,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1},
   {1,1,0,1,0,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,0,1},
   {1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
   {1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,0,1},
   {1,0,1,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1},
   {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
   };


  /******************/
 /*                */
/******************/

/* prototypes */
void create_wall();
void arrow_keys();
void move();
void clrscr();
void gotoxy(int x, int y);
/* end of prototypes */



  /******************/
 /*                */
/******************/

void main()
{
	create_wall();
	

   while(ch!=ESCAPE)
   {
    arrow_keys();
	move();
   }

    gotoxy(1,21);printf("\n");

}



/* function to create the walls */

  /******************/
 /* function for   */
/******************/

void create_wall(){
   clrscr();

   for(i=0;i<15;i++){
      for(j=0;j<26;j++){
      if (wall[i][j]==1) printf("²");
      else printf(" ");
      }
   printf("\n");
   }
gotoxy(2,2);
printf("*");
gotoxy(3,2);
printf("*");

}


/* end of create_wall function */
////////////////////////////////////
/* function to define arrow keys */

  /******************/
 /* function for   */
/******************/

void arrow_keys()
{   
 
    if (kbhit())
	{
       ch=getch();
	   switch (ch)
	   {
           /////////////////////
	       case UP:
                  worm.y--;
		   break;
           /////////////////////
	       case DOWN:
                  worm.y++;
		   break;
           /////////////////////
	       case LEFT:
                  worm.x--;
		   break;
           /////////////////////
	       case RIGHT:
                 worm.x++;
		   break;
           /////////////////////
	   }
       
     }
}


  /******************/
 /* function for   */
/******************/

/* function for move */
// up=72 , down=80 , left=75 , right=77
void move()
{
  gotoxy(worm.x,worm.y);printf("*");
}

  /******************/
 /* function for   */
/******************/
void clrscr()
{
	COORD coordScreen = { 0, 0 };
	DWORD cCharsWritten;
	CONSOLE_SCREEN_BUFFER_INFO csbi;
	DWORD dwConSize;
	HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);

	GetConsoleScreenBufferInfo(hConsole, &csbi);
	dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
	FillConsoleOutputCharacter(hConsole, TEXT(' '), dwConSize, coordScreen, &cCharsWritten);
	GetConsoleScreenBufferInfo(hConsole, &csbi);
	FillConsoleOutputAttribute(hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten);
	SetConsoleCursorPosition(hConsole, coordScreen);
	return;
}

  /******************/
 /* function for   */
/******************/
void gotoxy(int x, int y)
{
	COORD coord;
	coord.X = x; coord.Y = y;
	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
	return;
}

video_decoder ---> libavdecoder
|
|
|
\--> video_format ---> libavformat

fopen_s(&handle,cPathName,"wt");
if (handle != NULL)
{		
    fprintf(handle,"<?xml version=\"1.0\"?>\n")
}

    CBitmap *bm = new CBitmap;           // Bitmap Object

  bm->LoadBitmap((UINT) IDD_BITMAP);             // LOAD THE ARROW

      CDC *cdcimage = this->GetDC();

  cdcimage->SelectObject(bm);

       CDC cdcimage1, cdctrans;      // dcmask

      COLORREF oldback = cdcimage->SetBkColor(RGB(255,255,255));
  COLORREF oldtext = cdcimage->SetTextColor(RGB(0,0,0));

  cdcimage1.CreateCompatibleDC(cdcimage);
  cdctrans.CreateCompatibleDC(cdcimage);

  cdcimage1.SelectObject(bm);


 BITMAP bm_struct;

 bm->GetBitmap(&bm_struct);                              // get the demensions of ste arrow

 CBitmap bmask;                                     //  Create mask

      bmask.CreateBitmap(bm_struct.bmWidth,bm_struct.bmHeight,1,1,NULL);

      cdctrans.SelectObject(&bmask);

cdcimage1.SetBkColor(RGB(125,125,125));

cdctrans.BitBlt(0,0,bm_struct.bmWidth,bm_struct.bmHeight,&cdcimage1,0,0,SRCCOPY);

cdcimage->BitBlt(0,0,bm_struct.bmWidth,bm_struct.bmHeight,&cdcimage1,0,0,SRCINVERT);
cdcimage->BitBlt(0,0,bm_struct.bmWidth,bm_struct.bmHeight,&cdctrans,0,0,SRCAND);
cdcimage->BitBlt(0,0,bm_struct.bmWidth,bm_struct.bmHeight,&cdcimage1,0,0,SRCINVERT);

cdcimage->SetBkColor(oldback);
cdcimage->SetTextColor(oldtext);

stgm.hBitmap = (HBITMAP)*bm;