2025-11-28 00:35:46 +09:00

990 lines
33 KiB
C++

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
// File: DXUtil.cpp
//
// Desc: Shortcut macros and functions for using DX objects
//-----------------------------------------------------------------------------
#define STRICT
#include <windows.h>
#include <windowsx.h>
#include <mmsystem.h>
#include <stdio.h>
#include <assert.h>
#include <tchar.h>
#include <commctrl.h>
#include "dxutil.h"
#ifndef NUMELMS
#define NUMELMS(aa) (sizeof(aa)/sizeof((aa)[0]))
#endif
#include <strsafe.h>
#ifdef UNICODE
typedef HINSTANCE (WINAPI* LPShellExecute)(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
#else
typedef HINSTANCE (WINAPI* LPShellExecute)(HWND hwnd, LPCSTR lpOperation, LPCSTR lpFile, LPCSTR lpParameters, LPCSTR lpDirectory, INT nShowCmd);
#endif
bool DXUtil_FindMediaSearchParentDirs( TCHAR* strSearchPath, int cchSearch, TCHAR* strStartAt, TCHAR* strLeafName );
bool DXUtil_FindMediaSearchTypicalDirs( TCHAR* strSearchPath, int cchSearch, LPCTSTR strLeaf, TCHAR* strExePath, TCHAR* strExeName, TCHAR* strMediaDir );
#ifndef UNDER_CE
//--------------------------------------------------------------------------------------
// Search a set of typical directories
//--------------------------------------------------------------------------------------
bool DXUtil_FindMediaSearchTypicalDirs( TCHAR* strSearchPath, int cchSearch, LPCTSTR strLeaf,
TCHAR* strExePath, TCHAR* strExeName, TCHAR* strMediaDir )
{
// Typical directories:
// .\
// ..\
// ..\..\
// %EXE_DIR%\
// %EXE_DIR%\..\
// %EXE_DIR%\..\..\
// %EXE_DIR%\..\%EXE_NAME%
// %EXE_DIR%\..\..\%EXE_NAME%
// DXSDK media path
/* Search in .\ */
(void)StringCchCopy( strSearchPath, cchSearch, strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in ..\ */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("..\\%s"), strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in ..\..\ */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("..\\..\\%s"), strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in ..\..\ */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("..\\..\\%s"), strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in the %EXE_DIR%\ */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("%s\\%s"), strExePath, strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in the %EXE_DIR%\..\ */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("%s\\..\\%s"), strExePath, strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in the %EXE_DIR%\..\..\ */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("%s\\..\\..\\%s"), strExePath, strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in "%EXE_DIR%\..\%EXE_NAME%\". This matches the DirectX SDK layout */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("%s\\..\\%s\\%s"), strExePath, strExeName, strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in "%EXE_DIR%\..\..\%EXE_NAME%\". This matches the DirectX SDK layout */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("%s\\..\\..\\%s\\%s"), strExePath, strExeName, strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
/* Search in DirectX SDK's media dir */
(void)StringCchPrintf( strSearchPath, cchSearch, TEXT("%s%s"), strMediaDir, strLeaf ); strSearchPath[cchSearch-1] = 0;
if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
return true;
return false;
}
//--------------------------------------------------------------------------------------
// Search parent directories starting at strStartAt, and appending strLeafName
// at each parent directory. It stops at the root directory.
//--------------------------------------------------------------------------------------
bool DXUtil_FindMediaSearchParentDirs( TCHAR* strSearchPath, int cchSearch, TCHAR* strStartAt, TCHAR* strLeafName )
{
TCHAR strFullPath[MAX_PATH] = {0};
TCHAR strFullFileName[MAX_PATH] = {0};
TCHAR strSearch[MAX_PATH] = {0};
TCHAR* strFilePart = NULL;
GetFullPathName( strStartAt, MAX_PATH, strFullPath, &strFilePart );
if( strFilePart == NULL )
return false;
while( strFilePart != NULL )
{
(void)StringCchPrintf( strFullFileName, MAX_PATH, TEXT("%s\\%s"), strFullPath, strLeafName ); strFullFileName[MAX_PATH-1] = 0;
if( GetFileAttributes( strFullFileName ) != 0xFFFFFFFF )
{
(void)StringCchCopy( strSearchPath, cchSearch, strFullFileName ); strSearchPath[cchSearch-1] = 0;
return true;
}
(void)StringCchPrintf( strSearch, MAX_PATH, TEXT("%s\\.."), strFullPath ); strSearch[MAX_PATH-1] = 0;
GetFullPathName( strSearch, MAX_PATH, strFullPath, &strFilePart );
}
return false;
}
#endif // !UNDER_CE
//-----------------------------------------------------------------------------
// Name: DXUtil_ReadStringRegKeyCch()
// Desc: Helper function to read a registry key string
// cchDest is the size in TCHARs of strDest. Be careful not to
// pass in sizeof(strDest) on UNICODE builds.
//-----------------------------------------------------------------------------
HRESULT DXUtil_ReadStringRegKeyCch( HKEY hKey, LPCTSTR strRegName, TCHAR* strDest,
DWORD cchDest, LPCTSTR strDefault )
{
DWORD dwType;
DWORD cbDest = cchDest * sizeof(TCHAR);
if( ERROR_SUCCESS != RegQueryValueEx( hKey, strRegName, 0, &dwType,
(BYTE*)strDest, &cbDest ) )
{
(void)StringCchCopy( strDest, cchDest, strDefault );
strDest[cchDest-1] = 0;
return S_FALSE;
}
else
{
if( dwType != REG_SZ )
{
(void)StringCchCopy( strDest, cchDest , strDefault);
strDest[cchDest-1] = 0;
return S_FALSE;
}
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_WriteStringRegKey()
// Desc: Helper function to write a registry key string
//-----------------------------------------------------------------------------
HRESULT DXUtil_WriteStringRegKey( HKEY hKey, LPCTSTR strRegName,
LPCTSTR strValue )
{
if( NULL == strValue )
return E_INVALIDARG;
DWORD cbValue = ((DWORD)_tcslen(strValue)+1) * sizeof(TCHAR);
if( ERROR_SUCCESS != RegSetValueEx( hKey, strRegName, 0, REG_SZ,
(BYTE*)strValue, cbValue ) )
return E_FAIL;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ReadFloatRegKey()
// Desc: Helper function to read a registry key string
//-----------------------------------------------------------------------------
HRESULT DXUtil_ReadFloatRegKey( HKEY hKey, LPCTSTR strRegName, FLOAT* pfDest, FLOAT fDefault )
{
if( NULL == pfDest )
return E_INVALIDARG;
TCHAR sz[256];
float fResult;
TCHAR strDefault[256];
(void)StringCchPrintf( strDefault, 256, TEXT("%f"), fDefault );
strDefault[255] = 0;
if( SUCCEEDED( DXUtil_ReadStringRegKeyCch( hKey, strRegName, sz, 256, strDefault ) ) )
{
int nResult = _stscanf_s( sz, TEXT("%f"), &fResult );
if( nResult == 1 )
{
*pfDest = fResult;
return S_OK;
}
}
*pfDest = fDefault;
return S_FALSE;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_WriteFloatRegKey()
// Desc: Helper function to write a registry key string
//-----------------------------------------------------------------------------
HRESULT DXUtil_WriteFloatRegKey( HKEY hKey, LPCTSTR strRegName, FLOAT fValue )
{
TCHAR strValue[256];
(void)StringCchPrintf( strValue, 256, TEXT("%f"), fValue );
strValue[255] = 0;
return DXUtil_WriteStringRegKey( hKey, strRegName, strValue );
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ReadIntRegKey()
// Desc: Helper function to read a registry key int
//-----------------------------------------------------------------------------
HRESULT DXUtil_ReadIntRegKey( HKEY hKey, LPCTSTR strRegName, DWORD* pdwDest,
DWORD dwDefault )
{
DWORD dwType;
DWORD dwLength = sizeof(DWORD);
if( ERROR_SUCCESS != RegQueryValueEx( hKey, strRegName, 0, &dwType,
(BYTE*)pdwDest, &dwLength ) )
{
*pdwDest = dwDefault;
return S_FALSE;
}
else
{
if( dwType != REG_DWORD )
{
*pdwDest = dwDefault;
return S_FALSE;
}
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_WriteIntRegKey()
// Desc: Helper function to write a registry key int
//-----------------------------------------------------------------------------
HRESULT DXUtil_WriteIntRegKey( HKEY hKey, LPCTSTR strRegName, DWORD dwValue )
{
if( ERROR_SUCCESS != RegSetValueEx( hKey, strRegName, 0, REG_DWORD,
(BYTE*)&dwValue, sizeof(DWORD) ) )
return E_FAIL;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ReadBoolRegKey()
// Desc: Helper function to read a registry key BOOL
//-----------------------------------------------------------------------------
HRESULT DXUtil_ReadBoolRegKey( HKEY hKey, LPCTSTR strRegName, BOOL* pbDest,
BOOL bDefault )
{
DWORD dwType;
DWORD dwLength = sizeof(BOOL);
if( ERROR_SUCCESS != RegQueryValueEx( hKey, strRegName, 0, &dwType,
(BYTE*)pbDest, &dwLength ) )
{
*pbDest = bDefault;
return S_FALSE;
}
else
{
if( dwType != REG_DWORD )
{
*pbDest = bDefault;
return S_FALSE;
}
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_WriteBoolRegKey()
// Desc: Helper function to write a registry key BOOL
//-----------------------------------------------------------------------------
HRESULT DXUtil_WriteBoolRegKey( HKEY hKey, LPCTSTR strRegName, BOOL bValue )
{
if( ERROR_SUCCESS != RegSetValueEx( hKey, strRegName, 0, REG_DWORD,
(BYTE*)&bValue, sizeof(BOOL) ) )
return E_FAIL;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ReadGuidRegKey()
// Desc: Helper function to read a registry key guid
//-----------------------------------------------------------------------------
HRESULT DXUtil_ReadGuidRegKey( HKEY hKey, LPCTSTR strRegName, GUID* pGuidDest,
GUID& guidDefault )
{
DWORD dwType;
DWORD dwLength = sizeof(GUID);
if( ERROR_SUCCESS != RegQueryValueEx( hKey, strRegName, 0, &dwType,
(LPBYTE) pGuidDest, &dwLength ) )
{
*pGuidDest = guidDefault;
return S_FALSE;
}
else
{
if( dwType != REG_BINARY )
{
*pGuidDest = guidDefault;
return S_FALSE;
}
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_WriteGuidRegKey()
// Desc: Helper function to write a registry key guid
//-----------------------------------------------------------------------------
HRESULT DXUtil_WriteGuidRegKey( HKEY hKey, LPCTSTR strRegName, GUID guidValue )
{
if( ERROR_SUCCESS != RegSetValueEx( hKey, strRegName, 0, REG_BINARY,
(BYTE*)&guidValue, sizeof(GUID) ) )
return E_FAIL;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_Timer()
// Desc: Performs timer opertations. Use the following commands:
// TIMER_RESET - to reset the timer
// TIMER_START - to start the timer
// TIMER_STOP - to stop (or pause) the timer
// TIMER_ADVANCE - to advance the timer by 0.1 seconds
// TIMER_GETABSOLUTETIME - to get the absolute system time
// TIMER_GETAPPTIME - to get the current time
// TIMER_GETELAPSEDTIME - to get the time that elapsed between
// TIMER_GETELAPSEDTIME calls
//-----------------------------------------------------------------------------
FLOAT __stdcall DXUtil_Timer( TIMER_COMMAND command )
{
static BOOL m_bTimerInitialized = FALSE;
static BOOL m_bUsingQPF = FALSE;
static BOOL m_bTimerStopped = TRUE;
static LONGLONG m_llQPFTicksPerSec = 0;
// Initialize the timer
if( FALSE == m_bTimerInitialized )
{
m_bTimerInitialized = TRUE;
// Use QueryPerformanceFrequency() to get frequency of timer. If QPF is
// not supported, we will timeGetTime() which returns milliseconds.
LARGE_INTEGER qwTicksPerSec;
m_bUsingQPF = QueryPerformanceFrequency( &qwTicksPerSec );
if( m_bUsingQPF )
m_llQPFTicksPerSec = qwTicksPerSec.QuadPart;
}
if( m_bUsingQPF )
{
static LONGLONG m_llStopTime = 0;
static LONGLONG m_llLastElapsedTime = 0;
static LONGLONG m_llBaseTime = 0;
double fTime;
double fElapsedTime;
LARGE_INTEGER qwTime;
// Get either the current time or the stop time, depending
// on whether we're stopped and what command was sent
if( m_llStopTime != 0 && command != TIMER_START && command != TIMER_GETABSOLUTETIME)
qwTime.QuadPart = m_llStopTime;
else
QueryPerformanceCounter( &qwTime );
// Return the elapsed time
if( command == TIMER_GETELAPSEDTIME )
{
fElapsedTime = (double) ( qwTime.QuadPart - m_llLastElapsedTime ) / (double) m_llQPFTicksPerSec;
m_llLastElapsedTime = qwTime.QuadPart;
return (FLOAT) fElapsedTime;
}
// Return the current time
if( command == TIMER_GETAPPTIME )
{
double fAppTime = (double) ( qwTime.QuadPart - m_llBaseTime ) / (double) m_llQPFTicksPerSec;
return (FLOAT) fAppTime;
}
// Reset the timer
if( command == TIMER_RESET )
{
m_llBaseTime = qwTime.QuadPart;
m_llLastElapsedTime = qwTime.QuadPart;
m_llStopTime = 0;
m_bTimerStopped = FALSE;
return 0.0f;
}
// Start the timer
if( command == TIMER_START )
{
if( m_bTimerStopped )
m_llBaseTime += qwTime.QuadPart - m_llStopTime;
m_llStopTime = 0;
m_llLastElapsedTime = qwTime.QuadPart;
m_bTimerStopped = FALSE;
return 0.0f;
}
// Stop the timer
if( command == TIMER_STOP )
{
if( !m_bTimerStopped )
{
m_llStopTime = qwTime.QuadPart;
m_llLastElapsedTime = qwTime.QuadPart;
m_bTimerStopped = TRUE;
}
return 0.0f;
}
// Advance the timer by 1/10th second
if( command == TIMER_ADVANCE )
{
m_llStopTime += m_llQPFTicksPerSec/10;
return 0.0f;
}
if( command == TIMER_GETABSOLUTETIME )
{
fTime = qwTime.QuadPart / (double) m_llQPFTicksPerSec;
return (FLOAT) fTime;
}
return -1.0f; // Invalid command specified
}
else
{
// Get the time using timeGetTime()
static double m_fLastElapsedTime = 0.0;
static double m_fBaseTime = 0.0;
static double m_fStopTime = 0.0;
double fTime;
double fElapsedTime;
// Get either the current time or the stop time, depending
// on whether we're stopped and what command was sent
if( m_fStopTime != 0.0 && command != TIMER_START && command != TIMER_GETABSOLUTETIME)
fTime = m_fStopTime;
else
fTime = GETTIMESTAMP() * 0.001;
// Return the elapsed time
if( command == TIMER_GETELAPSEDTIME )
{
fElapsedTime = (double) (fTime - m_fLastElapsedTime);
m_fLastElapsedTime = fTime;
return (FLOAT) fElapsedTime;
}
// Return the current time
if( command == TIMER_GETAPPTIME )
{
return (FLOAT) (fTime - m_fBaseTime);
}
// Reset the timer
if( command == TIMER_RESET )
{
m_fBaseTime = fTime;
m_fLastElapsedTime = fTime;
m_fStopTime = 0;
m_bTimerStopped = FALSE;
return 0.0f;
}
// Start the timer
if( command == TIMER_START )
{
if( m_bTimerStopped )
m_fBaseTime += fTime - m_fStopTime;
m_fStopTime = 0.0f;
m_fLastElapsedTime = fTime;
m_bTimerStopped = FALSE;
return 0.0f;
}
// Stop the timer
if( command == TIMER_STOP )
{
if( !m_bTimerStopped )
{
m_fStopTime = fTime;
m_fLastElapsedTime = fTime;
m_bTimerStopped = TRUE;
}
return 0.0f;
}
// Advance the timer by 1/10th second
if( command == TIMER_ADVANCE )
{
m_fStopTime += 0.1f;
return 0.0f;
}
if( command == TIMER_GETABSOLUTETIME )
{
return (FLOAT) fTime;
}
return -1.0f; // Invalid command specified
}
}
//-----------------------------------------------------------------------------
// Name: DXUtil_LaunchReadme()
// Desc: Finds and opens the readme for this sample
//-----------------------------------------------------------------------------
VOID DXUtil_LaunchReadme( HWND hWnd, LPCTSTR strLoc )
{
#ifdef UNDER_CE
// This is not available on PocketPC
MessageBox( hWnd, TEXT("For operating instructions, please open the ")
TEXT("readme.txt file included with the project."),
TEXT("DirectX SDK Sample"), MB_ICONWARNING | MB_OK );
return;
#endif
const int NUM_FILENAMES = 2;
LPCTSTR strFilenames[] =
{
TEXT("readme.htm"),
TEXT("readme.txt")
};
TCHAR strReadmePath[1024];
TCHAR strExeName[MAX_PATH];
TCHAR strExePath[MAX_PATH];
TCHAR strSamplePath[MAX_PATH];
TCHAR* strLastSlash = NULL;
for( int i=0; i < NUM_FILENAMES; i++ )
{
LPCTSTR strFilename = strFilenames[i];
bool bSuccess = false;
bool bFound = false;
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath), TEXT("") );
(void)StringCchCopy( strExePath, NUMELMS(strExePath), TEXT("") );
(void)StringCchCopy( strExeName, NUMELMS(strExeName), TEXT("") );
(void)StringCchCopy( strSamplePath, NUMELMS(strSamplePath), TEXT("") );
// If the user provided a location for the readme, check there first.
if( strLoc )
{
HKEY hKey;
LONG lResult = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
_T("Software\\Microsoft\\DirectX SDK"),
0, KEY_READ, &hKey );
if( ERROR_SUCCESS == lResult )
{
DWORD dwType;
DWORD dwSize = MAX_PATH * sizeof(TCHAR);
lResult = RegQueryValueEx( hKey, _T("DX9D4SDK Samples Path"), NULL,
&dwType, (BYTE*)strSamplePath, &dwSize );
strSamplePath[MAX_PATH-1] = 0; // RegQueryValueEx doesn't NULL term if buffer too small
if( ERROR_SUCCESS == lResult )
{
(void)StringCchPrintf( strReadmePath, 1023, TEXT("%s\\C++\\%s\\%s"),
strSamplePath, strLoc, strFilename );
strReadmePath[1023] = 0;
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
RegCloseKey( hKey );
}
}
// Get the exe name, and exe path
GetModuleFileName( NULL, strExePath, MAX_PATH );
strExePath[MAX_PATH-1]=0;
strLastSlash = _tcsrchr( strExePath, TEXT('\\') );
if( strLastSlash )
{
(void)StringCchCopy( strExeName, MAX_PATH, &strLastSlash[1] );
strExeName[MAX_PATH-1]=0;
// Chop the exe name from the exe path
*strLastSlash = 0;
// Chop the .exe from the exe name
strLastSlash = _tcsrchr( strExeName, TEXT('.') );
if( strLastSlash )
*strLastSlash = 0;
}
if( !bFound )
{
// Search in "%EXE_DIR%\..\%EXE_NAME%\". This matches the DirectX SDK layout
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath), strExePath );
strLastSlash = _tcsrchr( strReadmePath, TEXT('\\') );
if( strLastSlash )
*strLastSlash = 0;
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),strExeName );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),strFilename );
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
if( !bFound )
{
// Search in "%EXE_DIR%\..\BumpMapping\%EXE_NAME%\".
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath),strExePath );
strLastSlash = _tcsrchr( strReadmePath, TEXT('\\') );
if( strLastSlash )
*strLastSlash = 0;
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),TEXT("\\BumpMapping\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),strExeName );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),strFilename );
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
if( !bFound )
{
// Search in "%EXE_DIR%\..\EnvMapping\%EXE_NAME%\".
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath), strExePath );
strLastSlash = _tcsrchr( strReadmePath, TEXT('\\') );
if( strLastSlash )
*strLastSlash = 0;
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),TEXT("\\EnvMapping\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),strExeName );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath),strFilename );
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
if( !bFound )
{
// Search in "%EXE_DIR%\..\Meshes\%EXE_NAME%\".
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath), strExePath );
strLastSlash = _tcsrchr( strReadmePath, TEXT('\\') );
if( strLastSlash )
*strLastSlash = 0;
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), TEXT("\\Meshes\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), strExeName );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), strFilename );
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
if( !bFound )
{
// Search in "%EXE_DIR%\..\StencilBuffer\%EXE_NAME%\".
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath), strExePath );
strLastSlash = _tcsrchr( strReadmePath, TEXT('\\') );
if( strLastSlash )
*strLastSlash = 0;
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), TEXT("\\StencilBuffer\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), strExeName );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), strFilename );
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
if( !bFound )
{
// Search in "%EXE_DIR%\"
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath), strExePath );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), strFilename );
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
if( !bFound )
{
// Search in "%EXE_DIR%\.."
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath), strExePath );
strLastSlash = _tcsrchr( strReadmePath, TEXT('\\') );
if( strLastSlash )
*strLastSlash = 0;
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), strFilename );
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
if( !bFound )
{
// Search in "%EXE_DIR%\..\.."
(void)StringCchCopy( strReadmePath, NUMELMS(strReadmePath), strExePath );
strLastSlash = _tcsrchr( strReadmePath, TEXT('\\') );
if( strLastSlash )
*strLastSlash = 0;
strLastSlash = _tcsrchr( strReadmePath, TEXT('\\') );
if( strLastSlash )
*strLastSlash = 0;
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), TEXT("\\") );
(void)StringCchCat( strReadmePath, NUMELMS(strReadmePath), strFilename );
if( GetFileAttributes( strReadmePath ) != 0xFFFFFFFF )
bFound = TRUE;
}
if( bFound )
{
// GetProcAddress for ShellExecute, so we don't have to include shell32.lib
// in every project that uses dxutil.cpp
LPShellExecute pShellExecute = NULL;
HINSTANCE hInstShell32 = LoadLibrary(TEXT("shell32.dlTEXT("));
if (hInstShell32 != NULL)
{
#ifdef UNICODE
pShellExecute = (LPShellExecute)GetProcAddress(hInstShell32, _TWINCE("ShellExecuteW"));
#else
pShellExecute = (LPShellExecute)GetProcAddress(hInstShell32, _TWINCE("ShellExecuteA"));
#endif
if( pShellExecute != NULL )
{
if( pShellExecute( hWnd, TEXT("open"), strReadmePath, NULL, NULL, SW_SHOW ) > (HINSTANCE) 32 )
bSuccess = true;
}
FreeLibrary(hInstShell32);
}
}
if( bSuccess )
return;
}
// Tell the user that the readme couldn't be opened
MessageBox( hWnd, TEXT("Could not find readme"),
TEXT("DirectX SDK Sample"), MB_ICONWARNING | MB_OK );
}
//-----------------------------------------------------------------------------
// Name: DXUtil_Trace()
// Desc: Outputs to the debug stream a formatted string with a variable-
// argument list.
//-----------------------------------------------------------------------------
VOID DXUtil_Trace( LPCTSTR strMsg, ... )
{
#if defined(DEBUG) | defined(_DEBUG)
TCHAR strBuffer[512];
va_list args;
va_start(args, strMsg);
(void)StringCchVPrintf( strBuffer, NUMELMS(strBuffer), strMsg, args );
va_end(args);
OutputDebugString( strBuffer );
#else
UNREFERENCED_PARAMETER(strMsg);
#endif
}
//-----------------------------------------------------------------------------
// Name: CArrayList constructor
// Desc:
//-----------------------------------------------------------------------------
CArrayList::CArrayList( ArrayListType Type, UINT BytesPerEntry )
{
if( Type == AL_REFERENCE )
BytesPerEntry = sizeof(void*);
m_ArrayListType = Type;
m_pData = NULL;
m_BytesPerEntry = BytesPerEntry;
m_NumEntries = 0;
m_NumEntriesAllocated = 0;
}
//-----------------------------------------------------------------------------
// Name: CArrayList destructor
// Desc:
//-----------------------------------------------------------------------------
CArrayList::~CArrayList( void )
{
if( m_pData != NULL )
delete[] m_pData;
}
//-----------------------------------------------------------------------------
// Name: CArrayList::Add
// Desc: Adds pEntry to the list.
//-----------------------------------------------------------------------------
HRESULT CArrayList::Add( void* pEntry )
{
if( m_BytesPerEntry == 0 )
return E_FAIL;
if( m_pData == NULL || m_NumEntries + 1 > m_NumEntriesAllocated )
{
void* pDataNew;
UINT NumEntriesAllocatedNew;
if( m_NumEntriesAllocated == 0 )
NumEntriesAllocatedNew = 16;
else
NumEntriesAllocatedNew = m_NumEntriesAllocated * 2;
pDataNew = new BYTE[NumEntriesAllocatedNew * m_BytesPerEntry];
if( pDataNew == NULL )
return E_OUTOFMEMORY;
if( m_pData != NULL )
{
CopyMemory( pDataNew, m_pData, m_NumEntries * m_BytesPerEntry );
delete[] m_pData;
}
m_pData = pDataNew;
m_NumEntriesAllocated = NumEntriesAllocatedNew;
}
if( m_ArrayListType == AL_VALUE )
CopyMemory( (BYTE*)m_pData + (m_NumEntries * m_BytesPerEntry), pEntry, m_BytesPerEntry );
else
*(((void**)m_pData) + m_NumEntries) = pEntry;
m_NumEntries++;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: CArrayList::Remove
// Desc: Remove the item at Entry in the list, and collapse the array.
//-----------------------------------------------------------------------------
void CArrayList::Remove( UINT Entry )
{
// Decrement count
m_NumEntries--;
// Find the entry address
BYTE* pData = (BYTE*)m_pData + (Entry * m_BytesPerEntry);
// Collapse the array
MoveMemory( pData, pData + m_BytesPerEntry, ( m_NumEntries - Entry ) * m_BytesPerEntry );
}
//-----------------------------------------------------------------------------
// Name: CArrayList::GetPtr
// Desc: Returns a pointer to the Entry'th entry in the list.
//-----------------------------------------------------------------------------
void* CArrayList::GetPtr( UINT Entry )
{
if( m_ArrayListType == AL_VALUE )
return (BYTE*)m_pData + (Entry * m_BytesPerEntry);
else
return *(((void**)m_pData) + Entry);
}
//-----------------------------------------------------------------------------
// Name: CArrayList::Contains
// Desc: Returns whether the list contains an entry identical to the
// specified entry data.
//-----------------------------------------------------------------------------
bool CArrayList::Contains( void* pEntryData )
{
for( UINT iEntry = 0; iEntry < m_NumEntries; iEntry++ )
{
if( m_ArrayListType == AL_VALUE )
{
if( memcmp( GetPtr(iEntry), pEntryData, m_BytesPerEntry ) == 0 )
return true;
}
else
{
if( GetPtr(iEntry) == pEntryData )
return true;
}
}
return false;
}