Method GetFileSize

CrySystem/RefStreamEngine.cpp:187–222

///////////////////////////////////////////////////////////////////// returns the size of the file; returns 0 if there's no such file.

//////////////////////////////////////////////////////////////////////////
// returns the size of the file; returns 0 if there's no such file.
unsigned CRefStreamEngine::GetFileSize (const char* szFilePathPC, unsigned nCryPakFlags)
{
	char szFilePathBuf[m_pPak->g_nMaxPath];
	const char *szFilePath = m_pPak->AdjustFileName (szFilePathPC, szFilePathBuf, nCryPakFlags);
	NameStreamMap::iterator it = m_mapFilesByName.find (szFilePath);
	if (it != m_mapFilesByName.end())
	{
		if (!it->second->GetFileSize())
			it->second->Activate();
		return it->second->GetFileSize(); 
	}  
   
	// we didn't find the file size in the cache - open the file and query the size
#if defined(LINUX)
	HANDLE hFile = CreateFile (szFilePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
#else
	HANDLE hFile = CreateFile (szFilePath, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
#endif
	if (hFile != INVALID_HANDLE_VALUE)
	{
		unsigned nFileSize = ::GetFileSize(hFile, NULL);
		CloseHandle (hFile);
		return nFileSize;
	}
	else
	{
		CCachedFileDataPtr pFileData = m_pPak->GetFileData(szFilePath);
		if (pFileData)
			return pFileData->GetFileEntry()->desc.lSizeUncompressed;
		else
		{
			m_pPak->OnMissingFile(szFilePathPC);
			return 0;
		}
	}
}

//////////////////////////////////////////////////////////////////////////
// Gets called regularly, to finalize those proxies whose jobs have