Method InitFileSpans

src/External/CascLib/src/CascOpenFile.cpp:117–147

}

void TCascFile::InitFileSpans(PCASC_FILE_SPAN pSpans, DWORD dwSpanCount)
{
    ULONGLONG FileOffsetBits = 30;
    ULONGLONG FileOffsetMask = 0;
    ULONGLONG FileOffset = 0;

    // Initialize the file sizes. Note that if any of the spans has invalid size,
    // the entire file size will be set to CASC_INVALID_SIZE64.
    GetFileSpanInfo(pCKeyEntry, &ContentSize, &EncodedSize);

    // Resolve the file offset bits and file offset mask
    if(hs != NULL)
        FileOffsetBits = hs->FileOffsetBits;
    FileOffsetMask = ((ULONGLONG)1 << FileOffsetBits) - 1;

    // Add all span sizes
    for(DWORD i = 0; i < dwSpanCount; i++, pSpans++)
    {
        // Put the archive index and archive offset
        pSpans->ArchiveIndex = (DWORD)(pCKeyEntry[i].StorageOffset >> FileOffsetBits);
        pSpans->ArchiveOffs = (DWORD)(pCKeyEntry[i].StorageOffset & FileOffsetMask);

        // Add to the total encoded size
        if(ContentSize != CASC_INVALID_SIZE64)
        {
            pSpans->StartOffset = FileOffset;
            FileOffset = FileOffset + pCKeyEntry[i].ContentSize;
            pSpans->EndOffset = FileOffset;
        }
    }
}

void TCascFile::InitCacheStrategy()
{