C++ LPDIRECTDRAW7::SetDisplayMode方法代码示例

int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here

// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
   return(0);

// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle, 
                                      DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX | 
                                      DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
   {
   // error
   return(0);
   } // end if

// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
   {
   // error
   return(0);
   } // end if


// return success or failure or your own return code here
return(1);

} // end Game_Init

int InitDirectDraw()
{
   DDSURFACEDESC2 ddsd;
   DDSCAPS2       ddscaps;
   HRESULT		  hRet;

   // Create the main DirectDraw object.
   hRet = DirectDrawCreateEx(NULL, (VOID**)&g_pDD, IID_IDirectDraw7, NULL);
   if( hRet != DD_OK )
       return -1;

   // Get exclusive mode.
   hRet = g_pDD->SetCooperativeLevel(g_hMainWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
   if( hRet != DD_OK )
       return -2;

   // Set the video mode to 640x480x16.
   hRet = g_pDD->SetDisplayMode(640, 480, 16, 0, 0);
   if( hRet != DD_OK )
       return -3;

   // Prepare to create the primary surface by initializing
   // the fields of a DDSURFACEDESC2 structure.
   ZeroMemory(&ddsd, sizeof(ddsd));
   ddsd.dwSize = sizeof(ddsd);
   ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
   ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP |
      DDSCAPS_COMPLEX;
   ddsd.dwBackBufferCount = 1;

   // Create the primary surface.
   hRet = g_pDD->CreateSurface(&ddsd, &g_pDDSFront, NULL);
   if( hRet != DD_OK )
       return -1;

   // Get a pointer to the back buffer.
   ZeroMemory(&ddscaps, sizeof(ddscaps));
   ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
   hRet = g_pDDSFront->GetAttachedSurface(&ddscaps, &g_pDDSBack);
   if( hRet != DD_OK )
       return -1;

   return 0;

} 

int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here

// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
   return(0);

// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle, 
                                      DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX | 
                                      DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
   return(0);

// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
   return(0);

// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd); 

// enable valid fields
ddsd.dwFlags = DDSD_CAPS;

// request primary surface
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;

// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
   return(0);

// load the 24-bit image
if (!Load_Bitmap_File(&bitmap,"bitmap24.bmp"))
   return(0);


// return success or failure or your own return code here
return(1);

} // end Game_Init

int DDInit(void)
{
        HRESULT hRet;

        hWnd = Form1->Handle;

        DDEnd();
        hRet = DirectDrawCreateEx(NULL, (VOID**)&m_pDD, IID_IDirectDraw7, NULL);
        if(DDError(hRet != DD_OK,"DDCreateEX")) return(false);

        if (Form1->FullScreen)
        {
                hRet = m_pDD->SetCooperativeLevel(hWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
                hRet = m_pDD->SetDisplayMode(FScreen.Width, FScreen.Height, FScreen.Bpp,NULL,NULL);

        }
        else    hRet = m_pDD->SetCooperativeLevel(hWnd, DDSCL_NORMAL);
        if(DDError(hRet != DD_OK,"DDSetCoop")) return(false);

        HRESULT hr;

        DDSURFACEDESC2 ddsd;
        ZeroMemory( &ddsd, sizeof( ddsd ) );
        ddsd.dwSize = sizeof( ddsd );
        ddsd.dwFlags = DDSD_CAPS;
        ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;

        if(DDError(hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrontBuffer, NULL)
                ,"CreateFrontSurface")) return(false);

        // Create the backbuffer surface
        ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
        ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
        ddsd.dwWidth = 1024;
        ddsd.dwHeight = 768;

        hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrame, NULL);
        if (hr)
        {
                ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
                ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
                ddsd.dwWidth = 460;
                ddsd.dwHeight = 400;
                hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrame, NULL);
                if(DDError(hr,"CreateBackSurface")) return(false);
                tv.DisableAdvanced=1;
        }

        if (!Form1->FullScreen)
        {
                if(DDError(hr = m_pDD->CreateClipper(0, &pcClipper, NULL)
                        ,"CreateClipper")) return(false);

                if(DDError(hr = pcClipper->SetHWnd(0, hWnd)
                        ,"SetClipperHwnd"))
                {
                        pcClipper->Release();
                        return(false);
                }


                if(DDError(hr = m_pddsFrontBuffer->SetClipper(pcClipper)
                        ,"SetClipperSurface"))
                {
                        pcClipper->Release();
                        return(false);
                }
        }

        return(true);
}

//-----------------------------------------------------------------------------
// Name: InitDD()
// Desc: Initializes Driect draw and anything that needs to be inited
//-----------------------------------------------------------------------------
int InitDD()
{// this function is where i do all the initialization 
 // for the game

	// create dd object and test for error
	ddReturnVal = DirectDrawCreateEx(NULL, (void **)&lpddObj, IID_IDirectDraw7, NULL);
	if(DDFailedCheck(ddReturnVal, "DirectDrawCreateEx() failed", cpErrorBuf ))
	{	MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION); return (0); }
	
	/*
	//set cooperation level to windowed mode normal
	ddReturnVal = lpddObj->SetCooperativeLevel(main_window_handle, DDSCL_NORMAL);
	if (DDFailedCheck(ddReturnVal, "SetCooperativeLevel() failed", cpErrorBuf ))
	{	MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION);   return(0); }
	*/
	//set cooperation level to full screen
	ddReturnVal = lpddObj->SetCooperativeLevel(main_window_handle,	DDSCL_ALLOWMODEX | DDSCL_FULLSCREEN | 
																	DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT);
	if (DDFailedCheck(ddReturnVal, "SetCooperativeLevel() failed", cpErrorBuf ))
	{	MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION);   return(0); }

	// set the display mode
	ddReturnVal = lpddObj->SetDisplayMode(WINDOW_WIDTH,WINDOW_HEIGHT,BPP,0,0);
	if (DDFailedCheck(ddReturnVal, "SetDisplayMode() failed", cpErrorBuf ))
	{	MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION);   return(0); }

	// Create the primary surface first set the fields
	memset(&ddsd,0,sizeof(ddsd));
	ddsd.dwSize         = sizeof(ddsd);
	ddsd.dwFlags        = DDSD_CAPS | DDSD_BACKBUFFERCOUNT; //set the flags to validate both capabilites field adn the backbuffer count field
	ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX; //tell dd that u have a complex flippable surface
	ddsd.dwBackBufferCount = 1; //set the back buffer count

	//Createt the primary surface
	ddReturnVal = lpddObj->CreateSurface(&ddsd,&lpddsPrimary,NULL);
    if (DDFailedCheck(ddReturnVal, "SetCooperativeLevel() failed", cpErrorBuf ))
	{	MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION);   return(0); }
	
	//Query for the backbuffer, use the ddscaps to indicate what you're requesting
	ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
	//get the surface
	ddReturnVal = lpddsPrimary->GetAttachedSurface(&ddscaps, &lpddsSecondary);
	if (DDFailedCheck(ddReturnVal, "GetAttachedSurface() failed", cpErrorBuf ))
	{	MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION);   return(0); }
	
	//Attach a clipper
	RECT cliplist[1];
	cliplist[0].top = 0; cliplist[0].left = 0;
	cliplist[0].bottom = GetSystemMetrics(SM_CYSCREEN);
	cliplist[0].right = GetSystemMetrics(SM_CXSCREEN);
	AttachClipper(lpddsSecondary,1,cliplist);
	AttachClipper(lpddsPrimary,main_window_handle);
	
	//attack a color key
	// set color key to TransparentColor
	DDCOLORKEY color_key; // used to set color key
	if(BPP == 16)
	{
		color_key.dwColorSpaceLowValue  = BIULDCOLOR(TransColor.r,TransColor.g,TransColor.b);
		color_key.dwColorSpaceHighValue = BIULDCOLOR(TransColor.r,TransColor.g,TransColor.b);
	}
	else
		if(BPP == 32)
		{
			color_key.dwColorSpaceLowValue  = _ARGB24BIT(0,TransColor.r,TransColor.g,TransColor.b);
			color_key.dwColorSpaceHighValue = _ARGB24BIT(0,TransColor.r,TransColor.g,TransColor.b);
		}
	
	// now set the color key for source blitting
	ddReturnVal  = lpddsSecondary->SetColorKey(DDCKEY_SRCBLT, &color_key);
	if (DDFailedCheck(ddReturnVal, "SetColorKey() failed", cpErrorBuf ))
	{	MessageBox(main_window_handle, cpErrorBuf, "Init()", MB_ICONEXCLAMATION);   return(0); }
	
	//Fill in the wndRect struct
	wndRect.top    = 0;
	wndRect.left   = 0;
	wndRect.bottom = WINDOW_HEIGHT;
	wndRect.right  = WINDOW_WIDTH;

	return(1);
}

int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here

// seed random number generator
srand(GetTickCount());

// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
   return(0);

// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle, 
                                      DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX | 
                                      DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
   return(0);

// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
   return(0);


// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd); 

// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;

// set the backbuffer count field to 1, use 2 for triple buffering
ddsd.dwBackBufferCount = 1;

// request a complex, flippable
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;

// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
   return(0);

// now query for attached surface from the primary surface

// this line is needed by the call
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;

// get the attached back buffer surface
if (FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback)))
  return(0);


// build up the palette data array
for (int color=1; color < 255; color++)
    {
    // fill with random RGB values
    palette[color].peRed   = rand()%256;
    palette[color].peGreen = rand()%256;
    palette[color].peBlue  = rand()%256;

    // set flags field to PC_NOCOLLAPSE
    palette[color].peFlags = PC_NOCOLLAPSE;
    } // end for color

// now fill in entry 0 and 255 with black and white
palette[0].peRed     = 0;
palette[0].peGreen   = 0;
palette[0].peBlue    = 0;
palette[0].peFlags   = PC_NOCOLLAPSE;

palette[255].peRed   = 255;
palette[255].peGreen = 255;
palette[255].peBlue  = 255;
palette[255].peFlags = PC_NOCOLLAPSE;

// create the palette object
if (FAILED(lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256 | 
                                DDPCAPS_INITIALIZE, 
                                palette,&lpddpal, NULL)))
return(0);

// finally attach the palette to the primary surface
if (FAILED(lpddsprimary->SetPalette(lpddpal)))
   return(0);

// clear the surfaces out
DDraw_Fill_Surface(lpddsprimary, 0 );
DDraw_Fill_Surface(lpddsback, 0 );

// define points of asteroid
VERTEX2DF asteroid_vertices[8] = {33,-3, 9,-18, -12,-9, -21,-12, -9,6, -15,15, -3,27, 21,21};


// loop and initialize all asteroids
for (int curr_index = 0; curr_index < NUM_ASTEROIDS; curr_index++)
    {

    // initialize the asteroid
    asteroids[curr_index].state       = 1;   // turn it on
    asteroids[curr_index].num_verts   = 8;  
    asteroids[curr_index].x0          = rand()%SCREEN_WIDTH; // position it
    asteroids[curr_index].y0          = rand()%SCREEN_HEIGHT;
//.........这里部分代码省略.........

int Game_Init(void *parms = NULL, int num_parms = 0)
{
   // this is called once after the initial window is created and
   // before the main event loop is entered, do all your initialization
   // here
   
   // create IDirectDraw interface 7.0 object and test for error
   if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
      return(0);
   
   // set cooperation to full screen
   if (FAILED(lpdd->SetCooperativeLevel(main_window_handle, 
                                         DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX | 
                                         DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
      return(0);
   
   // set display mode to 640x480x8
   if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
      return(0);
   

   // clear ddsd and set size
   DDRAW_INIT_STRUCT(ddsd); 
   
   // enable valid fields
   ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
   
   // set the backbuffer count field to 1, use 2 for triple buffering
   ddsd.dwBackBufferCount = 1;
   
   // request a complex, flippable
   ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
   
   // create the primary surface
   if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
      return(0);
   
   // now query for attached surface from the primary surface
   
   // this line is needed by the call
   ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
   
   // get the attached back buffer surface
   if (FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback)))
     return(0);
   
   // build up the palette data array
   for (int color=1; color < 255; color++)
   {
      // fill with random RGB values
      palette[color].peRed   = 0;
      palette[color].peGreen = 0;
      palette[color].peBlue  = color;
      
      // set flags field to PC_NOCOLLAPSE
      palette[color].peFlags = PC_NOCOLLAPSE;
   } // end for color

   // now fill in entry 0 and 255 with black and white
   palette[0].peRed     = 0;
   palette[0].peGreen   = 0;
   palette[0].peBlue    = 0;
   palette[0].peFlags   = PC_NOCOLLAPSE;
   
   palette[255].peRed   = 255;
   palette[255].peGreen = 255;
   palette[255].peBlue  = 255;
   palette[255].peFlags = PC_NOCOLLAPSE;
   
   // create the palette object
   if (FAILED(lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256 | 
                                   DDPCAPS_INITIALIZE, 
                                   palette,&lpddpal, NULL)))
   {
      return(0);
   }

   // finally attach the palette to the primary surface
   if (FAILED(lpddsprimary->SetPalette(lpddpal)))
      return(0);

   // return success or failure or your own return code here
   return(1);

} // end Game_Init

int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here

// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
   return(0);

// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle, 
                                      DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX | 
                                      DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
   return(0);

// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
   return(0);

// we need a complex surface system with a primary and backbuffer

// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd); 

// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;

// set the backbuffer count field to 1, use 2 for triple buffering
ddsd.dwBackBufferCount = 1;

// request a complex, flippable
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;

// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
   return(0);

// now query for attached surface from the primary surface

// this line is needed by the call
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;

// get the attached back buffer surface
if (FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback)))
  return(0);

// build up the palette data array
for (int color=1; color < 255; color++)
    {
    // fill with random RGB values
    palette[color].peRed   = rand()%256;
    palette[color].peGreen = rand()%256;
    palette[color].peBlue  = rand()%256;

    // set flags field to PC_NOCOLLAPSE
    palette[color].peFlags = PC_NOCOLLAPSE;
    } // end for color

// now fill in entry 0 and 255 with black and white
palette[0].peRed     = 0;
palette[0].peGreen   = 0;
palette[0].peBlue    = 0;
palette[0].peFlags   = PC_NOCOLLAPSE;

palette[255].peRed   = 255;
palette[255].peGreen = 255;
palette[255].peBlue  = 255;
palette[255].peFlags = PC_NOCOLLAPSE;

// create the palette object
if (FAILED(lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256 | 
                                DDPCAPS_INITIALIZE, 
                                palette,&lpddpal, NULL)))
return(0);

// finally attach the palette to the primary surface
if (FAILED(lpddsprimary->SetPalette(lpddpal)))
   return(0);

// set clipper up on back buffer since that's where well clip
RECT screen_rect= {0,0,SCREEN_WIDTH-1,SCREEN_HEIGHT-1};
lpddclipper = DDraw_Attach_Clipper(lpddsback,1,&screen_rect);

// load the 8-bit image
if (!Load_Bitmap_File(&bitmap,"alley8.bmp"))
   return(0);

// load it's palette into directdraw
if (FAILED(lpddpal->SetEntries(0,0,MAX_COLORS_PALETTE,bitmap.palette)))
   return(0);

// clean the surfaces
DDraw_Fill_Surface(lpddsprimary,0);
DDraw_Fill_Surface(lpddsback,0);

// create the buffer to hold the background
lpddsbackground = DDraw_Create_Surface(640,480,0,-1);

// copy the background bitmap image to the background surface 
//.........这里部分代码省略.........

int Game_Init(void *parms = NULL, int num_parms = 0)
{
   // this is called once after the initial window is created and
   // before the main event loop is entered, do all your initialization
   // here
   int retval = 0;
   colors16 = new WORD[65536];

   // create IDirectDraw interface 7.0 object and test for error
   if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
   {

      // something bad happened during initialization, buh-bye!
      SendMessage(main_window_handle,WM_CLOSE,0,0);   
      g_ddStepFailure = DDSF_DDACCESS;

      retval = 0;
   }
   else
   {
      // set cooperation to normal since this will be a windowed app
      lpdd->SetCooperativeLevel( main_window_handle, 
                                    DDSCL_FULLSCREEN
                                 |  DDSCL_ALLOWMODEX
                                 |  DDSCL_EXCLUSIVE
                                 |  DDSCL_ALLOWREBOOT
                                 |  DDSCL_MULTITHREADED      );
                                 
      if (FAILED(lpdd->SetDisplayMode( screen_width,
                                       screen_height,
                                       screen_bpp,
                                       0,                // refresh rate (use default)
                                       0              )  // flags..
                )
         )           
      {
         SendMessage(main_window_handle,WM_CLOSE,0,0);   
         g_ddStepFailure = DDSF_SETDISPLAYMODE;
         retval = 0;
      }
      else
      {

         {
            // create direct draw surface..
            memset(&ddsd,0,sizeof(ddsd));
            ddsd.dwSize = sizeof(ddsd);
            ddsd.dwFlags = DDSD_CAPS;
            ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
            if (FAILED(lpdd->CreateSurface(&ddsd,
                                           &lpddsprimary,
                                           NULL) 
                      )
               )
            {
               SendMessage(main_window_handle,WM_CLOSE,0,0);   
               g_ddStepFailure = DDSF_SURFACECREATE;
               retval = 0;
            }
            else
            {
            
               {
                  // now get the pixel format..
                  //
                  
                  memset(&ddpixel,0,sizeof(ddpixel));
                  
                  ddpixel.dwSize = sizeof(ddpixel);
                  
                  lpddsprimary->GetPixelFormat(&ddpixel);
                  
                  if (ddpixel.dwFlags & DDPF_RGB)
                  {
                     // RGB mode..
                     switch(ddpixel.dwRGBBitCount)
                     {
                        case 15:
                           {
                              // 5.5.5
                              g_rgb16bitmode = RGB16MODE_555;
                              makeColors555();
                              
                              MessageBox(main_window_handle,
                              "5.5.5",
                              "bit mode detected...",
                              MB_OK | MB_ICONEXCLAMATION );
                              
                           }
                           break;
                        case 16:
                           {
                              // 5.6.5
                              g_rgb16bitmode = RGB16MODE_565;
                              makeColors565();
                              
                              MessageBox(main_window_handle,
                              "5.6.5",
                              "bit mode detected...",
                              MB_OK | MB_ICONEXCLAMATION );
//.........这里部分代码省略.........

static HRESULT CreateFullScreenDisplay(HWND hWnd, DWORD dwWidth, DWORD dwHeight, DWORD dwBPP)
{
	RECT  rc;
	DWORD dwStyle;
	// Set app window's style to WS_POPUP so that it can fit for full screen mode.
	dwStyle = GetWindowLong(hWnd, GWL_STYLE);
	dwStyle &= ~(WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX);
	dwStyle |= WS_POPUP;
	SetWindowLong(hWnd, GWL_STYLE, dwStyle);
	// Adapt window size
	SetRect(&rc, 0, 0, dwWidth, dwHeight);
	AdjustWindowRectEx(&rc, GetWindowStyle(hWnd), GetMenu(hWnd) != NULL, GetWindowExStyle(hWnd));

	// Set cooperative level
	if (FAILED(lpdd->SetCooperativeLevel(hWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT)))
	{
		return E_FAIL;
	}
	// Set the display mode
	if (FAILED(lpdd->SetDisplayMode(dwWidth, dwHeight, dwBPP, 0, 0)))
	{
		return E_FAIL;
	}

	// Create primary surface (with backbuffer attached)
	DDSURFACEDESC2 ddsd;
	DDRAW_INIT_STRUCT(ddsd);
	ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT | DDSD_CKSRCBLT;
	ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP |
		DDSCAPS_COMPLEX | DDSCAPS_3DDEVICE;
	ddsd.dwBackBufferCount = 1;
	if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsMain, NULL)))
	{
		return E_FAIL;
	}

	// Get a pointer to the back buffer
	DDSCAPS2 ddscaps;
	ZeroMemory(&ddscaps, sizeof(ddscaps));
	ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
	if (FAILED(lpddsMain->GetAttachedSurface(&ddscaps, &lpddsBack)))
	{
		return E_FAIL;
	}
	//lpddsBack->AddRef();

	// Set surface color key
	DDCOLORKEY ddCK;
	ddCK.dwColorSpaceLowValue = 0;
	ddCK.dwColorSpaceHighValue = 0;
	if (lpddsBack->SetColorKey(DDCKEY_SRCBLT, &ddCK))
	{
		return E_FAIL;
	}

	// Update window flag
	SetClassLong(hWnd, GCL_HICONSM, NULL);
	SendMessage(hWnd, WM_SETICON, ICON_SMALL, NULL);
	UpdateWindow(hWnd);

	return S_OK;
}

//////////////////////////////////////////////////////////////////////////////
//INITIALIZATION
//////////////////////////////////////////////////////////////////////////////
bool Prog_Init()
{
	lpdd=LPDD_Create(hWndMain,DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT);

	//set the display mode
	lpdd->SetDisplayMode(SCREENWIDTH,SCREENHEIGHT,SCREENBPP,0,0);

	//create primary surface
	DDSURFACEDESC2 ddsd;
	memset(&ddsd,0,sizeof(DDSURFACEDESC2));
	ddsd.dwSize=sizeof(DDSURFACEDESC2);
	ddsd.dwFlags=DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
	ddsd.dwBackBufferCount=1;
	ddsd.ddsCaps.dwCaps=DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX | DDSCAPS_3DDEVICE;
	lpdd->CreateSurface(&ddsd,&lpddsPrime,NULL);

	//create back buffer
	DDSCAPS2 ddscaps;
	memset(&ddscaps,0,sizeof(DDSCAPS2));
	ddscaps.dwCaps=DDSCAPS_BACKBUFFER | DDSCAPS_3DDEVICE;
	lpddsPrime->GetAttachedSurface(&ddscaps,&lpddsBack);

	//create the texture surface
	memset(&ddsd,0,sizeof(DDSURFACEDESC2));
	ddsd.dwSize=sizeof(DDSURFACEDESC2);
	ddsd.dwFlags=DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
	ddsd.dwWidth=64;
	ddsd.dwHeight=64;
	ddsd.ddsCaps.dwCaps=DDSCAPS_TEXTURE;
	lpdd->CreateSurface(&ddsd,&lpddsTex,NULL);
	//used ddfuncs to load a bitmap onto the texture
	LPDDS_ReloadFromFile(lpddsTex,"texture.bmp");

	//get the idirect3d pointer
	lpdd->QueryInterface(IID_IDirect3D7,(void**)&lpd3d);//ICKY COM STUFF!

	//create the idirect3ddevice(hack method)
	if(FAILED(lpd3d->CreateDevice(IID_IDirect3DTnLHalDevice,lpddsBack,&lpd3ddev)))//try tnl
		if(FAILED(lpd3d->CreateDevice(IID_IDirect3DHALDevice,lpddsBack,&lpd3ddev)))//no tnl, try hal
			if(FAILED(lpd3d->CreateDevice(IID_IDirect3DMMXDevice,lpddsBack,&lpd3ddev)))//no hal, try mmp
				if(FAILED(lpd3d->CreateDevice(IID_IDirect3DRGBDevice,lpddsBack,&lpd3ddev)))//no mmx, resort to rgb
					return(false);//problem, return false


	//set up viewport
	D3DVIEWPORT7 vp;
	vp.dwX=0;
	vp.dwY=0;
	vp.dwWidth=SCREENWIDTH;
	vp.dwHeight=SCREENHEIGHT;
	vp.dvMinZ=0.0;
	vp.dvMaxZ=1.0;

	//set viewport for device
	lpd3ddev->SetViewport(&vp);

	//initialize the vertices(partially, anyway)
	vert[0].color=D3DRGB(0.25,0.25,0.25);//set the color for this vertex
	vert[0].specular=0;//zero for specular
	vert[0].rhw=1.0;//rhw is 1.0
	vert[0].tu=0.0;//0.0 for both texture coordinates
	vert[0].tv=0.0;
	vert[0].sz=0.5;//static z value

	vert[1].color=D3DRGB(0.5,0.5,0.5);//set the color for this vertex
	vert[1].specular=0;//zero for specular
	vert[1].rhw=1.0;//rhw is 1.0
	vert[1].tu=1.0;//0.0 for both texture coordinates
	vert[1].tv=0.0;
	vert[1].sz=0.5;//static z value

	vert[2].color=D3DRGB(0.5,0.5,0.5);//set the color for this vertex
	vert[2].specular=0;//zero for specular
	vert[2].rhw=1.0;//rhw is 1.0
	vert[2].tu=0.0;//0.0 for both texture coordinates
	vert[2].tv=1.0;
	vert[2].sz=0.5;//static z value

	vert[3].color=D3DRGB(1.0,1.0,1.0);//set the color for this vertex
	vert[3].specular=0;//zero for specular
	vert[3].rhw=1.0;//rhw is 1.0
	vert[3].tu=1.0;//0.0 for both texture coordinates
	vert[3].tv=1.0;
	vert[3].sz=0.5;//static z value

	//set the texture
	lpd3ddev->SetTexture(0,lpddsTex);

	return(true);//return success
}

int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here

// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
   return(0);

// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle, 
                                      DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX | 
                                      DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
   return(0);

// set display mode to 640x480x24
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
   return(0);

// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd); 

// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;

ddsd.dwBackBufferCount = 1;

//
// request primary surface
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;

// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
   return(0);

ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;

if(FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback))) return 0;



// 把主屏和缓冲屏都填充为黑色初始化
DDraw_Fill_Surface(lpddsprimary, _RGB32BIT(0, 0,0,0));
DDraw_Fill_Surface(lpddsback, _RGB32BIT(0, 0,0,0));

// load the 24-bit image
char* bmp_wc = "WarCraft24.bmp";
char* bmp_b8 = "bitmap8b.bmp";
char* bmp_b24 = "bitmap24.bmp";
char* bmp_b24e = "bitmap24_edit.bmp";

char* bmp_mo24 = "mosaic-600x.bmp";
char* bmp_ni24 = "nightelf-640x.bmp";
char* bmp_alley24 = "alley8_24bit.bmp";




// 载入背景图片
if (!Load_Bitmap_File(&bitmap, bmp_ni24))
   return(0);


// 创建背景表面、但实际上不是直接用背景表面来显示的、而是拷贝去缓冲表面和人物动作混合
// 后才一次性打到显示表面
// 这里头两个参数是指在屏幕的高和宽、第二个是指表面建立的地点、0指在显存建立、其它表示在
// 系统内存建立、当然速度自然是在显存建立快了、最后一个参数是是否设置为色彩键、这里设定为-1
// 也就是不设定任何色彩过滤、因为这个是背景表面、所以不需要任何透明的色彩键
lpddsbackground = DDraw_Create_Surface(640,480,0,-1);


// 把bmp的内容拷贝至缓冲表面中
Bmp2Surface(lpddsbackground, SCREEN_WIDTH, SCREEN_HEIGHT);












// 从现在开始创建人物动作了
if (!Load_Bitmap_File(&bitmap, "Dedsp0_24bit.bmp"))
   return(0);


// seed random number generator
// GetTickCount是一个系统启动至今的毫秒数、
// 配合srandg来产生一个随机数
srand(GetTickCount());

// initialize all the aliens

// alien on level 1 of complex

//.........这里部分代码省略.........

int DD_Init(int width, int height, int bpp)
{
// this function initializes directdraw
int index; // looping variable

// create object and test for error
if (DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)!=DD_OK)
   return(0);

// set cooperation level to windowed mode normal
if (lpdd->SetCooperativeLevel(main_window_handle,
           DDSCL_ALLOWMODEX | DDSCL_FULLSCREEN | 
           DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)!=DD_OK)
    return(0);

// set the display mode
if (lpdd->SetDisplayMode(width,height,bpp,0,0)!=DD_OK)
   return(0);

// set globals
screen_height = height;
screen_width  = width;
screen_bpp    = bpp;

// Create the primary surface
memset(&ddsd,0,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;

// we need to let dd know that we want a complex 
// flippable surface structure, set flags for that
ddsd.ddsCaps.dwCaps = 
  DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;

// set the backbuffer count to 1
ddsd.dwBackBufferCount = 1;

// create the primary surface
lpdd->CreateSurface(&ddsd,&lpddsprimary,NULL);

// query for the backbuffer i.e the secondary surface
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
lpddsprimary->GetAttachedSurface(&ddscaps,&lpddsback);

// create and attach palette

// create palette data
// clear all entries defensive programming
memset(palette,0,256*sizeof(PALETTEENTRY));

// create a R,G,B,GR gradient palette
for (index=0; index < 256; index++)
    {
    // set each entry
    if (index < 64) 
        palette[index].peRed = index*4; 
    else           // shades of green
    if (index >= 64 && index < 128) 
        palette[index].peGreen = (index-64)*4;
    else           // shades of blue
    if (index >= 128 && index < 192) 
       palette[index].peBlue = (index-128)*4;
    else           // shades of grey
    if (index >= 192 && index < 256) 
        palette[index].peRed = palette[index].peGreen = 
        palette[index].peBlue = (index-192)*4;
    
    // set flags
    palette[index].peFlags = PC_NOCOLLAPSE;
    } // end for index

// now create the palette object
if (lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_INITIALIZE | DDPCAPS_ALLOW256,
                         palette,&lpddpal,NULL)!=DD_OK)
   return(0);

// attach the palette to the primary
if (lpddsprimary->SetPalette(lpddpal)!=DD_OK)
   return(0);

// clear out both primary and secondary surfaces
DD_Fill_Surface(lpddsprimary,0);
DD_Fill_Surface(lpddsback,0);

// attach a clipper to the screen
RECT screen_rect = {0,0,screen_width,screen_height};
lpddclipper = DD_Attach_Clipper(lpddsback,1,&screen_rect);

// return success
return(1);
} // end DD_Init

/**
 * vdraw_ddraw_init(): Initialize the DirectDraw video subsystem.
 * @return 0 on success; non-zero on error.
 */
int vdraw_ddraw_init(void)
{
	DDSURFACEDESC2 ddsd;
	
	vdraw_ddraw_end();
	
	mdp_render_t *rendMode = get_mdp_render_t();
	const int scale = rendMode->scale;
	
	// Determine the window size using the scaling factor.
	if (scale <= 0)
		return -1;
	const int w = 320 * scale;
	const int h = 240 * scale;
	
	if (vdraw_get_fullscreen())
	{
		Res_X = w;
		Res_Y = h;
	}
	
	// Return value.
	int rval;
	
	// Initialize DirectDraw.
	// TODO: Initialize DirectDraw on the monitor with most of Gens/GS onscreen.
	LPDIRECTDRAW lpDD_Init;
	rval = DirectDrawCreate(NULL, &lpDD_Init, NULL);
	if (FAILED(rval))
	{
		LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
			"DirectDrawCreate() failed: 0x%08X", rval);
		return -2;
	}
	
	rval = lpDD_Init->QueryInterface(IID_IDirectDraw7, (LPVOID*)&lpDD);
	if (FAILED(rval))
	{
		if (lpDD_Init)
			lpDD_Init->Release();
		
		LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
			"lpDD_Init->QueryInterface(IID_IDirectDraw4) failed: 0x%08X", rval);
		LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
			"This can usually be fixed by upgrading DirectX.");
		return -3;
	}
	
	// Free the DirectDraw initialization object.
	lpDD_Init->Release();
	
	// Set the cooperative level.
	vdraw_ddraw_set_cooperative_level();
	
	// TODO: 15-bit color override. ("Force 555" or "Force 565" in the config file.)
	memset(&ddsd, 0, sizeof(ddsd));
	ddsd.dwSize = sizeof(ddsd);
	
	// TODO: Figure out what FS_No_Res_Change is for.
	// TODO: Figure out if this is correct.
	if (vdraw_get_fullscreen() /* && !FS_No_Res_Change*/)
	{
		// Use the color depth setting.
		// NOTE: "15-bit" color requires 16-bit to be specified.
		rval = lpDD->SetDisplayMode(Res_X, Res_Y, (bppOut == 15 ? 16 : bppOut), 0, 0);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDD->SetDisplayMode() failed: 0x%08X", rval);
			
			// If render mode is set to Normal, try using Double instead.
			if (rendMode_FS == RenderMgr::begin() && rendMode_FS != RenderMgr::end())
			{
				LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
					"Renderer is set to Normal; attempting to use Double instead.");
				rendMode_FS++;
				vdraw_set_renderer(rendMode_FS);
				vdraw_text_write("Normal rendering failed. Using Double.", 1500);
				Sync_Gens_Window_GraphicsMenu();
			}
			
			return -4;
		}
	}
	
#if 0
	// Check the current color depth.
	unsigned char newBpp;
	lpDD->GetDisplayMode(&ddsd);
	switch (ddsd.ddpfPixelFormat.dwGBitMask)
	{
		case 0x03E0:
			// 15-bit color.
			newBpp = 15;
			break;
//.........这里部分代码省略.........

//-----------------------------------------------------------------------------
// Name: dx_Initialise (...)
// Desc: Initialise et configure DirectX (DirectDraw)
//-----------------------------------------------------------------------------
bool dx_Initialise (uint8  pNombreSurfaces,
                    HWND   pFenetre,
                    uint16 pResolutionX,
                    uint16 pResolutionY,
                    uint16 pBitsParPixel,
                    uint16 pFrequence,
                    bool   pPleinEcran,
                    bool   pTailleFenetre,
                    void   (*pRestaure)())
{
    // InitialiseDX a déjà été appelé

    if (DirectDraw7 != NULL) {
        return dx_Finalise (ERR_NO_UTILISATEUR);
    }

    dx_InitVars ();

    // Initialise toutes les variables

    Fenetre = pFenetre;

    NombreSurfaces = pNombreSurfaces;

    ResolutionX   = pResolutionX;
    ResolutionY   = pResolutionY;
    BitsParPixel  = pBitsParPixel;
    Frequence     = pFrequence;
    PleinEcran    = pPleinEcran;
    TailleFenetre = pTailleFenetre;

    Restaure = pRestaure;

    Surfaces = new LPDIRECTDRAWSURFACE7[NombreSurfaces];

    // Initialisation de directdraw

    ErrDd = DirectDrawCreateEx (0,(LPVOID*)&DirectDraw7,IID_IDirectDraw7,0);

    if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_CREATION);

    ModeCoop = PleinEcran ? COOP_PLEIN_ECRAN : COOP_FENETRE;

    // Utilisation de la résolution active ou donnée

    if (ResolutionX  == 0 || ResolutionY == 0 ||
            BitsParPixel == 0 || Frequence   == 0)
    {
        DDSURFACEDESC2 ModeActif;
        ZeroMemory (&ModeActif, sizeof(ModeActif));
        ModeActif.dwSize = sizeof(ModeActif);

        ErrDd = DirectDraw7->GetDisplayMode (&ModeActif);

        if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_MODE_ACTIF);

        if (ResolutionX  == 0) ResolutionX = ModeActif.dwWidth;
        if (ResolutionY  == 0) ResolutionY = ModeActif.dwHeight;
        if (BitsParPixel == 0) BitsParPixel = ModeActif.
                                                  ddpfPixelFormat.dwRGBBitCount;
        if (Frequence == 0) Frequence = ModeActif.dwRefreshRate;
    }

    // Sélection du mode de coopération

    ErrDd = DirectDraw7->SetCooperativeLevel (Fenetre, ModeCoop);

    if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_COOPERATION);

    ErrDd = DirectDraw7->SetDisplayMode (ResolutionX,
                                         ResolutionY,BitsParPixel,0,0);

    if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_MODE_AFFICHAGE);

    // Création des surfaces d'affichage

    SurfaceDesc.dwFlags = DDSD_CAPS;
    SurfaceDesc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;

    if (PleinEcran)
    {   // Surface avec backbuffer
        SurfaceDesc.dwFlags	|= DDSD_BACKBUFFERCOUNT;
        SurfaceDesc.ddsCaps.dwCaps |= DDSCAPS_FLIP | DDSCAPS_COMPLEX;
        SurfaceDesc.dwBackBufferCount = 1;
    }

    ErrDd = DirectDraw7->CreateSurface (&SurfaceDesc,&SurfacePrimaire,NULL);

    if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_PRIMAIRE);

    if (PleinEcran)
    {
        SurfaceCaps.dwCaps = DDSCAPS_BACKBUFFER;

        ErrDd = SurfacePrimaire->GetAttachedSurface (&SurfaceCaps,&SurfaceBack);

//.........这里部分代码省略.........