本文整理汇总了C++中FileReader::ReadUint32LE方法的典型用法代码示例。如果您正苦于以下问题：C++ FileReader::ReadUint32LE方法的具体用法？C++ FileReader::ReadUint32LE怎么用？C++ FileReader::ReadUint32LE使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FileReader的用法示例。
在下文中一共展示了FileReader::ReadUint32LE方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: ReadITQ
bool CSoundFile::ReadITQ(FileReader &file, ModLoadingFlags loadFlags)
//------------------------------------------------------------------
{
file.Rewind();
ITFileHeader fileHeader;
if(!file.ReadConvertEndianness(fileHeader)
|| (memcmp(fileHeader.id, "ITQM", 4))
|| fileHeader.insnum > 0xFF
|| fileHeader.smpnum >= MAX_SAMPLES
|| !file.CanRead(fileHeader.ordnum + (fileHeader.insnum + fileHeader.smpnum + fileHeader.patnum) * 4))
{
return false;
} else if(loadFlags == onlyVerifyHeader)
{
return true;
}
InitializeGlobals();
bool interpretModPlugMade = false;
// OpenMPT crap at the end of file
file.Seek(file.GetLength() - 4);
size_t mptStartPos = file.ReadUint32LE();
if(mptStartPos >= file.GetLength() || mptStartPos < 0x100)
{
mptStartPos = file.GetLength();
}
if(!memcmp(fileHeader.id, "tpm.", 4))
{
// Legacy MPTM files (old 1.17.02.xx releases)
ChangeModTypeTo(MOD_TYPE_MPT);
} else
{
if(mptStartPos <= file.GetLength() - 3 && fileHeader.cwtv > 0x888 && fileHeader.cwtv <= 0xFFF)
{
file.Seek(mptStartPos);
ChangeModTypeTo(file.ReadMagic("228") ? MOD_TYPE_MPT : MOD_TYPE_IT);
} else
{
ChangeModTypeTo(MOD_TYPE_IT);
}
if(GetType() == MOD_TYPE_IT)
{
// Which tracker was used to made this?
if((fileHeader.cwtv & 0xF000) == 0x5000)
{
// OpenMPT Version number (Major.Minor)
// This will only be interpreted as "made with ModPlug" (i.e. disable compatible playback etc) if the "reserved" field is set to "OMPT" - else, compatibility was used.
m_dwLastSavedWithVersion = (fileHeader.cwtv & 0x0FFF) << 16;
if(!memcmp(fileHeader.reserved, "OMPT", 4))
interpretModPlugMade = true;
} else if(fileHeader.cmwt == 0x888 || fileHeader.cwtv == 0x888)
{
// OpenMPT 1.17 and 1.18 (raped IT format)
// Exact version number will be determined later.
interpretModPlugMade = true;
} else if(fileHeader.cwtv == 0x0217 && fileHeader.cmwt == 0x0200 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
if(memchr(fileHeader.chnpan, 0xFF, sizeof(fileHeader.chnpan)) != NULL)
{
// ModPlug Tracker 1.16 (semi-raped IT format)
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 16, 00, 00);
madeWithTracker = "ModPlug tracker 1.09 - 1.16";
} else
{
// OpenMPT 1.17 disguised as this in compatible mode,
// but never writes 0xFF in the pan map for unused channels (which is an invalid value).
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 17, 00, 00);
madeWithTracker = "OpenMPT 1.17 (compatibility export)";
}
interpretModPlugMade = true;
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0202 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
// ModPlug Tracker b3.3 - 1.09, instruments 557 bytes apart
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 09, 00, 00);
madeWithTracker = "ModPlug tracker b3.3 - 1.09";
interpretModPlugMade = true;
}
} else // case: type == MOD_TYPE_MPT
{
if (fileHeader.cwtv >= verMptFileVerLoadLimit)
{
AddToLog(str_LoadingIncompatibleVersion);
return false;
}
else if (fileHeader.cwtv > verMptFileVer)
{
AddToLog(str_LoadingMoreRecentVersion);
}
}
}
if(GetType() == MOD_TYPE_IT) mptStartPos = file.GetLength();
// Read row highlights
if((fileHeader.special & ITFileHeader::embedPatternHighlights))
//.........这里部分代码省略.........