在看程序stackup（一个ddraw小游戏）之前，还是先看看它比较好，知道怎么响应Mouse,kerboard
#include "stdafx.h"
#include "globals.h"
#include
#include "ddutil.cpp"
/////////////////////////////////////////////////////////////////////////////
// //
// //
// DIRECT DRAW //
// //
// //
/////////////////////////////////////////////////////////////////////////////
bool g_DD_Init()
{
g_DX_Result = DirectDrawCreate(NULL, &g_lpDD, NULL); // create the main DirectDraw object
DD_CHECK_ERROR("Error - DD - Create");
g_DX_Result = g_lpDD->SetCooperativeLevel(*AfxGetMainWnd(), DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
DD_CHECK_ERROR("Error - DD - SetCooperativeLevel");
#ifdef _DEBUG
g_DX_Result = g_lpDD->SetDisplayMode(1024, 768, 8);
#else
g_DX_Result = g_lpDD->SetDisplayMode(SCREEN_XSIZE, SCREEN_YSIZE, 8);
#endif
DD_CHECK_ERROR("Error - DD - SetDisplayMode");
DDSURFACEDESC ddsd;
ddsd.dwSize = sizeof(ddsd); // Create the primary surface with 1 back buffer
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
ddsd.dwBackBufferCount = 1;
g_DX_Result = g_lpDD->CreateSurface(&ddsd, &g_lpDDS_Primary, NULL);
DD_CHECK_ERROR("Error - DD - CreateSurface");
DDSCAPS ddscaps;
ddscaps.dwCaps = DDSCAPS_BACKBUFFER; // Get a pointer to the back buffer
g_DX_Result = g_lpDDS_Primary->GetAttachedSurface(&ddscaps, &g_lpDDS_Secondary);
DD_CHECK_ERROR("Error - DD - GetAttachedSurface");
return true;
}
/////////////////////////////////////////////////////////////////////////////
bool g_DD_RestoreAll()
{
return g_lpDDS_Primary->Restore() == DD_OK &&
g_lpDDS_Secondary->Restore() == DD_OK;
}
/////////////////////////////////////////////////////////////////////////////
void g_DD_Finish()
{
if(g_lpDD != NULL)
{
if(g_lpDDS_Primary != NULL)
{
g_lpDDS_Primary->Release();
g_lpDDS_Primary = NULL;
}
g_lpDD->RestoreDisplayMode();
g_lpDD->Release();
g_lpDD = NULL;
}
}
/////////////////////////////////////////////////////////////////////////////
void g_DD_FlipScreens()
{
while(1)
{
g_DX_Result = g_lpDDS_Primary->Flip(NULL, 0);
if(g_DX_Result == DD_OK)
break;
if(g_DX_Result == DDERR_SURFACELOST)
{
g_DX_Result = g_lpDDS_Primary->Restore();
if(g_DX_Result != DD_OK)
break;
}
if(g_DX_Result != DDERR_WASSTILLDRAWING)
break;
}
}
/////////////////////////////////////////////////////////////////////////////
void g_DD_PalleteToBack(LPDIRECTDRAWPALETTE lpDDP)
{
PALETTEENTRY PalEntry_Background[256];
if(lpDDP->GetEntries(0, 0, 256, PalEntry_Background) != DD_OK)
AfxMessageBox("Error - Get Palette Entries");
PALETTEENTRY PalEntry_Work[256];
for(int i = 0; i < 256; i++)
{
PalEntry_Work[i].peRed = PalEntry_Background[0].peRed;
PalEntry_Work[i].peGreen = PalEntry_Background[0].peGreen;
PalEntry_Work[i].peBlue = PalEntry_Background[0].peBlue;
PalEntry_Work[i].peFlags = 0;
}
if(lpDDP->SetEntries(0, 0, 256, PalEntry_Work) != DD_OK)
AfxMessageBox("Error - Set Palette Entries");
}
/////////////////////////////////////////////////////////////////////////////
// //
// //
// DIRECT INPUT //
// //
// //
/////////////////////////////////////////////////////////////////////////////
bool g_DI_Init()
{
//g_DX_Result = DirectInputCreate(AfxGetInstanceHandle(), DIRECTINPUT_VERSION, &g_lpDI, NULL);
g_DX_Result = DirectInput8Create(AfxGetInstanceHandle(), DIRECTINPUT_VERSION, IID_IDirectInput8, (LPVOID*)&g_lpDI, NULL);
DI_CHECK_ERROR("Error - DirectInputCreate");
g_DX_Result = g_lpDI->CreateDevice(GUID_SysKeyboard, &g_lpDI_Keyboard, NULL);
DI_CHECK_ERROR("Error - DI - CreateDevice");
g_DX_Result = g_lpDI_Keyboard->SetDataFormat(&c_dfDIKeyboard);
DI_CHECK_ERROR("Error - DI - SetDataFormat");
g_DX_Result = g_lpDI_Keyboard->SetCooperativeLevel(*AfxGetMainWnd(), DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
DI_CHECK_ERROR("Error - DI - SetCooperativeLevel");
DIPROPDWORD dipdw =
{
{
sizeof(DIPROPDWORD), // diph.dwSize
sizeof(DIPROPHEADER), // diph.dwHeaderSize
0, // diph.dwObj
DIPH_DEVICE, // diph.dwHow
},
DINPUT_BUFFERSIZE, // dwData
};
g_DX_Result = g_lpDI_Keyboard->SetProperty(DIPROP_BUFFERSIZE, &dipdw.diph);
DI_CHECK_ERROR("Error - DI - Set buffer size");
return true;
}
/////////////////////////////////////////////////////////////////////////////
void g_DI_Finish()
{
if(g_lpDI_Keyboard)
{
g_lpDI_Keyboard->Unacquire();
g_lpDI_Keyboard->Release();
g_lpDI_Keyboard = NULL;
}
if(g_lpDI)
{
g_lpDI->Release();
g_lpDI = NULL;
}
}
/////////////////////////////////////////////////////////////////////////////
void g_DI_GetKeyboardData()
{
again:
g_DI_InOut = DINPUT_BUFFERSIZE;
g_DX_Result = g_lpDI_Keyboard->GetDeviceData(sizeof(DIDEVICEOBJECTDATA), g_DI_rgdod, &g_DI_InOut, 0);
if(g_DX_Result != DI_OK)
{
if(g_DX_Result == DIERR_INPUTLOST)
{
g_DX_Result = g_lpDI_Keyboard->Acquire();
if(SUCCEEDED(g_DX_Result))
{
goto again;
}
}
}
}
/////////////////////////////////////////////////////////////////////////////
// //
// //
// DIRECT SOUND //
// //
// //
/////////////////////////////////////////////////////////////////////////////
bool g_DS_Init()
{
g_DX_Result = DirectSoundCreate(NULL, &g_lpDS, NULL);
DS_CHECK_ERROR("Error - DS - Create\nAudio cannot be used");
g_DX_Result = g_lpDS->SetCooperativeLevel(*AfxGetMainWnd(), DSSCL_NORMAL);
DS_CHECK_ERROR("Error - DS - SetCooperativeLevel");
return true;
}
/////////////////////////////////////////////////////////////////////////////
void g_DS_Finish()
{
if(g_lpDS != NULL)
{
g_lpDS->Release();
g_lpDS = NULL;
}
}
/////////////////////////////////////////////////////////////////////////////
#ifdef WRITEBITMAPS
/////////////////////////////////////////////////////////////////////////////
// DDBToDIB - Creates a DIB from a DDB
// bitmap - Device dependent bitmap
// dwCompression - Type of compression - see BITMAPINFOHEADER
// pPal - Logical palette
HANDLE DDBToDIB( CBitmap& bitmap, DWORD dwCompression, CPalette* pPal )
{
BITMAP bm;
BITMAPINFOHEADER bi;
LPBITMAPINFOHEADER lpbi;
DWORD dwLen;
HANDLE hDIB;
HANDLE handle;
HDC hDC;
HPALETTE hPal;
ASSERT( bitmap.GetSafeHandle() );
// The function has no arg for bitfields
if( dwCompression == BI_BITFIELDS )
return NULL;
// If a palette has not been supplied use defaul palette
hPal = (HPALETTE) pPal->GetSafeHandle();
if (hPal==NULL)
hPal = (HPALETTE) GetStockObject(DEFAULT_PALETTE);
// Get bitmap information
bitmap.GetObject(sizeof(bm),(LPSTR)&bm);
// Initialize the bitmapinfoheader
bi.biSize = sizeof(BITMAPINFOHEADER);
bi.biWidth = bm.bmWidth;
bi.biHeight = bm.bmHeight;
bi.biPlanes = 1;
bi.biBitCount = bm.bmPlanes * bm.bmBitsPixel;
bi.biCompression = dwCompression;
bi.biSizeImage = 0;
bi.biXPelsPerMeter = 0;
bi.biYPelsPerMeter = 0;
bi.biClrUsed = 0;
bi.biClrImportant = 0;
// Compute the size of the infoheader and the color table
int nColors = (1 << bi.biBitCount);
if( nColors > 256 )
nColors = 0;
dwLen = bi.biSize + nColors * sizeof(RGBQUAD);
// We need a device context to get the DIB from
hDC = GetDC(NULL);
hPal = SelectPalette(hDC,hPal,FALSE);
RealizePalette(hDC);
// Allocate enough memory to hold bitmapinfoheader and color table
hDIB = GlobalAlloc(GMEM_FIXED,dwLen);
if (!hDIB){
SelectPalette(hDC,hPal,FALSE);
ReleaseDC(NULL,hDC);
return NULL;
}
lpbi = (LPBITMAPINFOHEADER)hDIB;
*lpbi = bi;
// Call GetDIBits with a NULL lpBits param, so the device driver
// will calculate the biSizeImage field
GetDIBits(hDC, (HBITMAP)bitmap.GetSafeHandle(), 0L, (DWORD)bi.biHeight,
(LPBYTE)NULL, (LPBITMAPINFO)lpbi, (DWORD)DIB_RGB_COLORS);
bi = *lpbi;
// If the driver did not fill in the biSizeImage field, then compute it
// Each scan line of the image is aligned on a DWORD (32bit) boundary
if (bi.biSizeImage == 0){
bi.biSizeImage = ((((bi.biWidth * bi.biBitCount) + 31) & ~31) / 8)
* bi.biHeight;
// If a compression scheme is used the result may infact be larger
// Increase the size to account for this.
if (dwCompression != BI_RGB)
bi.biSizeImage = (bi.biSizeImage * 3) / 2;
}
// Realloc the buffer so that it can hold all the bits
dwLen += bi.biSizeImage;
if (handle = GlobalReAlloc(hDIB, dwLen, GMEM_MOVEABLE))
hDIB = handle;
else{
GlobalFree(hDIB);
// Reselect the original palette
SelectPalette(hDC,hPal,FALSE);
ReleaseDC(NULL,hDC);
return NULL;
}
// Get the bitmap bits
lpbi = (LPBITMAPINFOHEADER)hDIB;
// FINALLY get the DIB
BOOL bGotBits = GetDIBits( hDC, (HBITMAP)bitmap.GetSafeHandle(),
0L, // Start scan line
(DWORD)bi.biHeight, // # of scan lines
(LPBYTE)lpbi // address for bitmap bits
+ (bi.biSize + nColors * sizeof(RGBQUAD)),
(LPBITMAPINFO)lpbi, // address of bitmapinfo
(DWORD)DIB_RGB_COLORS); // Use RGB for color table
if( !bGotBits )
{
GlobalFree(hDIB);
SelectPalette(hDC,hPal,FALSE);
ReleaseDC(NULL,hDC);
return NULL;
}
SelectPalette(hDC,hPal,FALSE);
ReleaseDC(NULL,hDC);
return hDIB;
}
/////////////////////////////////////////////////////////////////////////////
// WriteDIB - Writes a DIB to file
// Returns - TRUE on success
// szFile - Name of file to write to
// hDIB - Handle of the DIB
BOOL WriteDIB( LPTSTR szFile, HANDLE hDIB)
{
BITMAPFILEHEADER hdr;
LPBITMAPINFOHEADER lpbi;
if (!hDIB)
return FALSE;
CFile file;
if( !file.Open( szFile, CFile::modeWrite|CFile::modeCreate) )
return FALSE;
lpbi = (LPBITMAPINFOHEADER)hDIB;
int nColors = 1 << lpbi->biBitCount;
// Fill in the fields of the file header
hdr.bfType = ((WORD) ('M' << 8) | 'B'); // is always "BM"
hdr.bfSize = GlobalSize (hDIB) + sizeof( hdr );
hdr.bfReserved1 = 0;
hdr.bfReserved2 = 0;
hdr.bfOffBits = (DWORD) (sizeof( hdr ) + lpbi->biSize +
nColors * sizeof(RGBQUAD));
// Write the file header
file.Write( &hdr, sizeof(hdr) );
// Write the DIB header and the bits
file.Write( lpbi, GlobalSize(hDIB) );
return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
BOOL WriteWindowToDIB( LPTSTR szFile, CWnd *pWnd )
{
CBitmap bitmap;
CWindowDC dc(pWnd);
CDC memDC;
CRect rect;
memDC.CreateCompatibleDC(&dc);
pWnd->GetWindowRect(rect);
bitmap.CreateCompatibleBitmap(&dc, rect.Width(),rect.Height() );
CBitmap* pOldBitmap = memDC.SelectObject(&bitmap);
memDC.BitBlt(0, 0, rect.Width(),rect.Height(), &dc, 0, 0, SRCCOPY);
// Create logical palette if device support a palette
CPalette pal;
if( dc.GetDeviceCaps(RASTERCAPS) & RC_PALETTE )
{
UINT nSize = sizeof(LOGPALETTE) + (sizeof(PALETTEENTRY) * 256);
LOGPALETTE *pLP = (LOGPALETTE *) new BYTE[nSize];
pLP->palVersion = 0x300;
pLP->palNumEntries =
GetSystemPaletteEntries( dc, 0, 255, pLP->palPalEntry );
// Create the palette
pal.CreatePalette( pLP );
delete[] pLP;
}
memDC.SelectObject(pOldBitmap);
// Convert the bitmap to a DIB
HANDLE hDIB = DDBToDIB( bitmap, BI_RGB, &pal );
if( hDIB == NULL )
return FALSE;
// Write it to file
WriteDIB( szFile, hDIB );
// Free the memory allocated by DDBToDIB for the DIB
GlobalFree( hDIB );
return TRUE;
}
#endif
/////////////////////////////////////////////////////////////////////////////
函数、变量详细说明见：
