// Create the primary surface
static int MakePrimarySurface()
{
int Ret=0; unsigned int PrimFormat=0; int PrimBpp=0;
DDSURFACEDESC ddsd;
DispPrim=NULL;
memset(&ddsd,0,sizeof(ddsd));
ddsd.dwSize=sizeof(ddsd);
ddsd.dwFlags=DDSD_CAPS;
ddsd.ddsCaps.dwCaps=DDSCAPS_PRIMARYSURFACE;
Ret=pDD->CreateSurface(&ddsd,&DispPrim,NULL);
if (Ret<0) return 1; if (DispPrim==NULL) return 1;
// Find out the color to use to paint the overlay
GetSurfaceFormat(DispPrim,&PrimFormat,&PrimBpp);
switch (PrimFormat)
{
default: OverlayColor=0; break;
case 15: OverlayColor=0x0401; break;
case 16: OverlayColor=0x0801; break;
case 24: case 32: OverlayColor=0x080008; break;
}
// Create a clipper
Ret=DirectDrawCreateClipper(0,&pClipper,NULL);
if (Ret==DD_OK)
{
Ret=pClipper->SetHWnd(0,hFrameWnd);
if (Ret==DD_OK) DispPrim->SetClipper(pClipper);
}
return 0;
}
//////////////////////////////////////////////////////////////////////////////////
// CRMEngine CreateWindowed - creates a windowed application
//////////////////////////////////////////////////////////////////////////////////
HRESULT CRMEngine::CreateWindowed(CDXScreen* pScreen, void *hWnd,
int Width, int Height)
{
GUID d3dGUID;
CDXLOG("START: CRMEngine::CreateWindowed");
CDXLOG("Release our m_RMDevice and Clipper object if we have one");
// first release everything that has been allocated
RELEASE(m_RMDevice);
RELEASE(m_lpDDClipper);
CDXLOG("Save the Screen object and do a CreateWindow");
// create the CDXScreen object
m_Screen = pScreen;
if(FAILED(m_Screen->CreateWindowed(hWnd, Width, Height))) {
CDXLOG("CreateWindow failed");
return D3DRMERR_NOTDONEYET;
}
CDXLOG("Create a Clipper object");
// create the dd clipper object
if(FAILED(DirectDrawCreateClipper(0, &m_lpDDClipper, NULL))) {
CDXLOG("Clipper creation failed");
return D3DRMERR_NOTDONEYET;
}
CDXLOG("Set the hWnd of the clipper to the main window");
// set the clipper objects hWnd
if(FAILED(m_lpDDClipper->SetHWnd(0, (HWND)hWnd))) {
RELEASE(m_lpDDClipper);
return D3DRMERR_NOTDONEYET;
}
CDXLOG("Do a CreateDeviceFromClipper to setup the 3DRM clipper");
// create the d3d device
if(FAILED(m_Direct3DRM->CreateDeviceFromClipper(m_lpDDClipper,
FindDevice(m_Screen->GetBPP(), &d3dGUID), Width, Height, &m_RMDevice))) {
return D3DRMERR_NOTDONEYET;
}
CDXLOG("Call SetDefaults");
// start our engine with default values based on color depth
SetDefaults();
CDXLOG("END: CRMEngine::CreateWindowed");
return D3DRM_OK;
}
// Create the windowed direct draw device for Direct3D to display with.
void BoidsWin::createWinDevice( )
{
// Create the Direct Draw clipper
DirectDrawCreateClipper( 0, &clipper, NULL );
clipper -> SetHWnd( 0, m_hWnd );
// Create the D3DRM drawing device.
CRect size;
GetClientRect( &size );
if ( showControlPanel ) // Make space for the control panel.
{
size.right -= CONTROL_PANEL_SIZE;
}
d3drm -> CreateDeviceFromClipper( clipper, NULL,
size.right, size.bottom, &device );
// If the scene is not constructed, set the device to -
// - the default render style and then create the scene.
if ( scene == NULL )
{
// Set the initial render style.
device -> SetQuality( DEFAULT_RENDER_STYLE );
// IMPORTANT STEP: Set up all the simulation's graphics.
createScene( );
}
else
{
// The scene has already been created, -
// - just reconfigure the device and viewport.
device -> SetQuality( renderStyle ); // Restore the render style.
// Create the viewport.
d3drm -> CreateViewport( device, camera, 0, 0,
device -> GetWidth( ), device -> GetHeight( ), &viewPort );
// Set the range of vision, default is 100.
viewPort -> SetBack( D3DVALUE( VIEWPORT_BACK_DISTANCE ) );
}
}
