#include "resource.h"
 
enum 
{
    GAMEPARAM_BORDERWIDTH    = 13,
    GAMEPARAM_SCOREHEIGHT    = 16,
    GAMEPARAM_BRICKWIDTH     = 40,
    GAMEPARAM_BRICKHEIGHT    = 20,
    GAMEPARAM_BRICKSPACE     = 2,
    GAMEPARAM_NUMLINES       = 4,
    GAMEPARAM_BRICKOFFSETY   = 32,
    GAMEPARAM_SUBPIXELSTEPS  = 10,
    GAMEPARAM_NUMEXPLOSIONS  = 7,
    GAMEPARAM_NUMBATS        = 4,
    GAMEPARAM_NUMSHINE       = 6,
    GAMEPARAM_NUMBORDERPIPES = 8
};
class CMyApplication : public CGapiApplication
{
    ...
    // Game parameters
    DWORD m_dwGameBallsLeft;
    DWORD m_dwPlayerScore;
    float m_nGameBallSpeed;
 
// Operations
protected:
    HRESULT GameMoveBall(CGapiSurface* pBackBuffer);
    HRESULT GameCheckBat(CGapiSurface* pBackBuffer);
    HRESULT GameCheckBricks(CGapiSurface* pBackBuffer);
    HRESULT GameMoveBat(CGapiSurface* pBackBuffer);
    HRESULT GameDrawBackgrund(CGapiSurface* pBackBuffer);
    HRESULT GameDrawObjects(CGapiSurface* pBackBuffer);
    HRESULT GameDrawScore(CGapiSurface* pBackBuffer);
    HRESULT GameInitBricks(CGapiSurface* pBackBuffer);
    ...
}

CMyApplication::CMyApplication(const GDAPPCONFIG& config) : CGapiApplication(config)
{
    ...
    m_dwGameBallsLeft = 0;
    m_dwPlayerScore = 0;
    m_nGameBallSpeed = 0.0f;
    ...
}
 
HRESULT CMyApplication::GameMoveBall(CGapiSurface* pBackBuffer)
{
    return S_OK;
}
 
HRESULT CMyApplication::GameCheckBat(CGapiSurface* pBackBuffer)
{
    return S_OK;
}
 
HRESULT CMyApplication::GameCheckBricks(CGapiSurface* pBackBuffer)
{
    return S_OK;
}
 
HRESULT CMyApplication::GameMoveBat(CGapiSurface* pBackBuffer)
{
    return S_OK;
}
 
HRESULT CMyApplication::GameDrawBackgrund(CGapiSurface* pBackBuffer)
{
    return S_OK;
}
 
HRESULT CMyApplication::GameDrawObjects(CGapiSurface* pBackBuffer)
{
    return S_OK;
}
 
HRESULT CMyApplication::GameDrawScore(CGapiSurface* pBackBuffer)
{
    return S_OK;
}
 
HRESULT CMyApplication::GameInitBricks(CGapiSurface* pBackBuffer)
{
    return S_OK;
}
 
HRESULT CMyApplication::ProcessNextFrame(CGapiSurface* pBackBuffer, DWORD dwFlags)
{
    // Enable clipping on back buffer
    pBackBuffer->SetClipper(NULL);
 
    // Draw toolbar buttons
    pBackBuffer->BltFast(pBackBuffer->GetWidth()-m_pButtons->GetWidth(), 0, m_pButtons, NULL, GDBLTFAST_KEYSRC, NULL); 
 
    return S_OK;
}