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Code Issues Releases Wiki Activity

Use the right size

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This commit is contained in:
Cédric Mocquillon 2023-08-18 18:47:30 +02:00
parent 16628a766f
commit 3b1d6a7e62
1 changed files with 7 additions and 9 deletions
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16
components/bsa/ba2gnrlfile.cpp
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@ -202,23 +202,21 @@ namespace Bsa
Files::IStreamPtr BA2GNRLFile::getFile(const FileRecord& fileRecord)
{
Files::IStreamPtr streamPtr
= Files::openConstrainedFileStream(mFilepath, fileRecord.offset, fileRecord.packedSize);
std::istream* fileStream = streamPtr.get();
uint32_t uncompressedSize = fileRecord.size;
auto memoryStreamPtr = std::make_unique<MemoryInputStream>(uncompressedSize);
if (fileRecord.packedSize != 0)
const uint32_t inputSize = fileRecord.packedSize ? fileRecord.packedSize : fileRecord.size;
Files::IStreamPtr streamPtr = Files::openConstrainedFileStream(mFilepath, fileRecord.offset, inputSize);
auto memoryStreamPtr = std::make_unique<MemoryInputStream>(fileRecord.size);
if (fileRecord.packedSize)
{
boost::iostreams::filtering_streambuf<boost::iostreams::input> inputStreamBuf;
inputStreamBuf.push(boost::iostreams::zlib_decompressor());
inputStreamBuf.push(*fileStream);
inputStreamBuf.push(*streamPtr);
boost::iostreams::basic_array_sink<char> sr(memoryStreamPtr->getRawData(), uncompressedSize);
boost::iostreams::basic_array_sink<char> sr(memoryStreamPtr->getRawData(), fileRecord.size);
boost::iostreams::copy(inputStreamBuf, sr);
}
else
{
fileStream->read(memoryStreamPtr->getRawData(), fileRecord.size);
streamPtr->read(memoryStreamPtr->getRawData(), fileRecord.size);
}
return std::make_unique<Files::StreamWithBuffer<MemoryInputStream>>(std::move(memoryStreamPtr));
}