/// Decode
///
/// @param archive Archive
///
bool CPaz::Decode(CArcFile* archive)
{
if (archive->GetArcExten() != _T(".paz"))
return false;
// Initialize decryption key
InitDecodeKey(archive);
// Initialize Table
InitTable();
// Decrypt table
DecodeTable1();
DecodeTable2();
// Create output file
const SFileInfo* file_info = archive->GetOpenFileInfo();
if (lstrcmpi(PathFindExtension(file_info->name), _T(".sc")) == 0)
{
archive->OpenScriptFile();
}
else
{
archive->OpenFile();
}
// Output
if (file_info->format == _T("zlib"))
{
// ZLIB
std::vector<u8> src(file_info->sizeCmp);
std::vector<u8> dst(file_info->sizeOrg);
// Decrypt
archive->Read(src.data(), src.size());
Decrypt(src.data(), src.size());
DecodeData(src.data(), src.size());
Decrypt2(src.data(), src.size());
// Decompress
CZlib zlib;
zlib.Decompress(dst.data(), dst.size(), src.data(), src.size());
// Output
archive->WriteFile(dst.data(), dst.size());
}
else
{
if (archive->GetArcName() == _T("mov.paz"))
{
// Movie
size_t buffer_size = GetMovieBufSize(archive);
std::vector<u8> buffer(buffer_size);
for (size_t total_written = 0; total_written != file_info->sizeOrg; total_written += buffer_size)
{
// Get buffer size
archive->SetBufSize(&buffer_size, total_written, file_info->dwSizeOrg2);
// Read
archive->Read(buffer.data(), buffer_size);
// Decrypt
Decrypt(buffer.data(), buffer_size);
DecodeMovieData(buffer.data(), buffer_size);
Decrypt2(buffer.data(), buffer_size);
// Adjust buffer size
archive->SetBufSize(&buffer_size, total_written, file_info->sizeOrg);
// Write
archive->WriteFile(buffer.data(), buffer_size);
}
}
else
{
// Other data
size_t buffer_size = archive->GetBufSize();
std::vector<u8> buffer(buffer_size);
for (size_t total_written = 0; total_written != file_info->sizeOrg; total_written += buffer_size)
{
// Adjust buffer size
archive->SetBufSize(&buffer_size, total_written, file_info->dwSizeOrg2);
// Read
archive->Read(buffer.data(), buffer_size);
// Decrypt
Decrypt(buffer.data(), buffer_size);
DecodeData(buffer.data(), buffer_size);
Decrypt2(buffer.data(), buffer_size);
// Adjust buffer size
archive->SetBufSize(&buffer_size, total_written, file_info->sizeOrg);
// Write
archive->WriteFile(buffer.data(), buffer_size);
}
}
}
return true;
}
/// Decode
///
/// @param pclArc Archive
///
BOOL CPaz::Decode(CArcFile* pclArc)
{
if (pclArc->GetArcExten() != _T(".paz"))
return FALSE;
// Initialize decryption key
InitDecodeKey(pclArc);
// Initialize Table
InitTable();
// Decrypt table
DecodeTable1();
DecodeTable2();
// Create output file
SFileInfo* pstFileInfo = pclArc->GetOpenFileInfo();
if (lstrcmpi(PathFindExtension(pstFileInfo->name), _T(".sc")) == 0)
{
pclArc->OpenScriptFile();
}
else
{
pclArc->OpenFile();
}
// Output
if (pstFileInfo->format == _T("zlib"))
{
// ZLIB
DWORD dwSrcSize = pstFileInfo->sizeCmp;
DWORD dwDstSize = pstFileInfo->sizeOrg;
YCMemory<BYTE> clmbtSrc(dwSrcSize);
YCMemory<BYTE> clmbtDst(dwDstSize);
// Decrypt
pclArc->Read(&clmbtSrc[0], dwSrcSize);
Decrypt(&clmbtSrc[0], dwSrcSize);
DecodeData(&clmbtSrc[0], dwSrcSize);
Decrypt2(&clmbtSrc[0], dwSrcSize);
// Decompress
CZlib clZlib;
clZlib.Decompress(&clmbtDst[0], dwDstSize, &clmbtSrc[0], dwSrcSize);
// Output
pclArc->WriteFile(&clmbtDst[0], dwDstSize);
}
else
{
if (pclArc->GetArcName() == _T("mov.paz"))
{
// Movie
DWORD dwBufferSize = GetMovieBufSize(pclArc);
YCMemory<BYTE> clmbtBuffer(dwBufferSize);
for (DWORD dwWriteTotal = 0; dwWriteTotal != pstFileInfo->sizeOrg; dwWriteTotal += dwBufferSize)
{
// Get buffer size
pclArc->SetBufSize(&dwBufferSize, dwWriteTotal, pstFileInfo->dwSizeOrg2);
// Read
pclArc->Read(&clmbtBuffer[0], dwBufferSize);
// Decrypt
Decrypt(&clmbtBuffer[0], dwBufferSize);
DecodeMovieData(&clmbtBuffer[0], dwBufferSize);
Decrypt2(&clmbtBuffer[0], dwBufferSize);
// Adjust buffer size
pclArc->SetBufSize(&dwBufferSize, dwWriteTotal, pstFileInfo->sizeOrg);
// Write
pclArc->WriteFile(&clmbtBuffer[0], dwBufferSize);
}
}
else
{
// Other data
DWORD dwBufferSize = pclArc->GetBufSize();
YCMemory<BYTE> clmbtBuffer(dwBufferSize);
for (DWORD dwWriteTotal = 0; dwWriteTotal != pstFileInfo->sizeOrg; dwWriteTotal += dwBufferSize)
{
// Adjust buffer size
pclArc->SetBufSize(&dwBufferSize, dwWriteTotal, pstFileInfo->dwSizeOrg2);
// Read
pclArc->Read(&clmbtBuffer[0], dwBufferSize);
// Decrypt
Decrypt(&clmbtBuffer[0], dwBufferSize);
DecodeData(&clmbtBuffer[0], dwBufferSize);
Decrypt2(&clmbtBuffer[0], dwBufferSize);
// Adjust buffer size
pclArc->SetBufSize(&dwBufferSize, dwWriteTotal, pstFileInfo->sizeOrg);
// Write
pclArc->WriteFile(&clmbtBuffer[0], dwBufferSize);
}
}
}
return TRUE;
}
/// Mount
///
/// @param archive Archive
///
bool CPaz::Mount(CArcFile* archive)
{
if (archive->GetArcExten() != _T(".paz"))
return false;
// Initialize Mount Key
InitMountKey(archive);
// Initialize Table
InitTable();
// Decode Table
DecodeTable1();
DecodeTable2();
// Get index size
u32 index_size;
archive->ReadU32(&index_size);
Decrypt(reinterpret_cast<u8*>(&index_size), sizeof(index_size));
// Get index
size_t index_ptr = 0;
std::vector<u8> index(index_size);
archive->Read(index.data(), index.size());
// Decode Index
Decrypt(index.data(), index.size());
DecodeData(index.data(), index.size());
// Get file count
const u32 files = *reinterpret_cast<const u32*>(&index[0]);
index_ptr += 4;
// Initialization table for decoding movies
if (archive->GetArcName() == _T("mov.paz"))
{
index_ptr += InitMovieTable(&index[index_ptr]);
}
// Get file info
for (u32 i = 0; i < files; i++)
{
// Get file name
TCHAR file_name[_MAX_FNAME];
lstrcpy(file_name, reinterpret_cast<LPCTSTR>(&index[index_ptr]));
index_ptr += lstrlen(file_name) + 1;
// Add .ogg extension if voice.paz (Don't know why they don't have extensions)
if (archive->GetArcName().Left(5) == _T("voice"))
{
if (lstrcmp(PathFindExtension(file_name), _T("")) == 0)
{
lstrcat(file_name, _T(".ogg"));
}
}
const u32 type = *reinterpret_cast<const u32*>(&index[index_ptr + 20]);
// Add to list view
SFileInfo file_info;
file_info.name = file_name;
file_info.sizeOrg = type == 1 ? *reinterpret_cast<const u32*>(&index[index_ptr + 8]) : *reinterpret_cast<const u32*>(&index[index_ptr + 12]);
file_info.dwSizeOrg2 = *reinterpret_cast<const u32*>(&index[index_ptr + 16]);
file_info.sizeCmp = type == 1 ? *reinterpret_cast<const u32*>(&index[index_ptr + 16]) : file_info.sizeOrg;
file_info.start = *reinterpret_cast<const u32*>(&index[index_ptr + 0]);
file_info.end = file_info.start + file_info.sizeCmp;
if (type == 1)
{
file_info.format = _T("zlib");
}
archive->AddFileInfo(file_info);
index_ptr += 24;
}
return true;
}
/// Mount
///
/// @param pclArc Archive
///
BOOL CPaz::Mount(CArcFile* pclArc)
{
if (pclArc->GetArcExten() != _T(".paz"))
return FALSE;
// Initialize Mount Key
InitMountKey(pclArc);
// Initialize Table
InitTable();
// Decode Table
DecodeTable1();
DecodeTable2();
// Get index size
DWORD dwIndexSize;
pclArc->Read(&dwIndexSize, 4);
Decrypt(&dwIndexSize, 4);
// Get index
DWORD dwIndexPtr = 0;
YCMemory<BYTE> clmbtIndex(dwIndexSize);
pclArc->Read(&clmbtIndex[0], dwIndexSize);
// Decode Index
Decrypt(&clmbtIndex[0], dwIndexSize);
DecodeData(&clmbtIndex[0], dwIndexSize);
// Get file count
DWORD dwFiles = *(DWORD*)&clmbtIndex[0];
dwIndexPtr += 4;
// Initialization table for decoding movies
if (pclArc->GetArcName() == _T("mov.paz"))
{
dwIndexPtr += InitMovieTable(&clmbtIndex[dwIndexPtr]);
}
// Get file info
for (DWORD i = 0; i < dwFiles; i++)
{
// Get file name
TCHAR szFileName[_MAX_FNAME];
lstrcpy(szFileName, (LPCTSTR)&clmbtIndex[dwIndexPtr]);
dwIndexPtr += lstrlen(szFileName) + 1;
// Add .ogg extension if voice.paz (Don't know why they don't have extensions)
if (pclArc->GetArcName().Left(5) == _T("voice"))
{
if (lstrcmp(PathFindExtension(szFileName), _T("")) == 0)
{
lstrcat(szFileName, _T(".ogg"));
}
}
DWORD dwType = *(DWORD*)&clmbtIndex[dwIndexPtr + 20];
// Add to list view
SFileInfo stFileInfo;
stFileInfo.name = szFileName;
stFileInfo.sizeOrg = (dwType == 1) ? *(DWORD*)&clmbtIndex[dwIndexPtr + 8] : *(DWORD*)&clmbtIndex[dwIndexPtr + 12];
stFileInfo.dwSizeOrg2 = *(DWORD*)&clmbtIndex[dwIndexPtr + 16];
stFileInfo.sizeCmp = (dwType == 1) ? *(DWORD*)&clmbtIndex[dwIndexPtr + 16] : stFileInfo.sizeOrg;
stFileInfo.start = *(DWORD*)&clmbtIndex[dwIndexPtr + 0];
stFileInfo.end = stFileInfo.start + stFileInfo.sizeCmp;
if (dwType == 1)
{
stFileInfo.format = _T("zlib");
}
pclArc->AddFileInfo(stFileInfo);
dwIndexPtr += 24;
}
return TRUE;
}