cWSSCompact::cPAKFile::cPAKFile(const AString & a_FileName, int a_LayerX, int a_LayerZ, int a_CompressionFactor) :
m_FileName(a_FileName),
m_CompressionFactor(a_CompressionFactor),
m_LayerX(a_LayerX),
m_LayerZ(a_LayerZ),
m_NumDirty(0),
m_ChunkVersion( CHUNK_VERSION ), // Init with latest version
m_PakVersion( PAK_VERSION )
{
cFile f;
if (!f.Open(m_FileName, cFile::fmRead))
{
return;
}
// Read headers:
READ(m_PakVersion);
if (m_PakVersion != 1)
{
LOGERROR("File \"%s\" is in an unknown pak format (%d)", m_FileName.c_str(), m_PakVersion);
return;
}
READ(m_ChunkVersion);
switch( m_ChunkVersion )
{
case 1:
m_ChunkSize.Set(16, 128, 16);
break;
case 2:
case 3:
m_ChunkSize.Set(16, 256, 16);
break;
default:
LOGERROR("File \"%s\" is in an unknown chunk format (%d)", m_FileName.c_str(), m_ChunkVersion);
return;
};
short NumChunks = 0;
READ(NumChunks);
// Read chunk headers:
for (int i = 0; i < NumChunks; i++)
{
sChunkHeader * Header = new sChunkHeader;
// Here we do not use the READ macro, as it does not free the resources
// allocated with new in case of error.
if (f.Read(Header, sizeof(*Header)) != sizeof(*Header))
{
LOGERROR("ERROR READING %s FROM FILE %s (line %d); file offset %d", "Header", m_FileName.c_str(), __LINE__, f.Tell());
delete Header;
return;
}
m_ChunkHeaders.push_back(Header);
} // for i - chunk headers
// Read chunk data:
if (f.ReadRestOfFile(m_DataContents) == -1)
{
LOGERROR("Cannot read file \"%s\" contents", m_FileName.c_str());
return;
}
if( m_ChunkVersion == 1 ) // Convert chunks to version 2
{
UpdateChunk1To2();
}
#if AXIS_ORDER == AXIS_ORDER_XZY
if( m_ChunkVersion == 2 ) // Convert chunks to version 3
{
UpdateChunk2To3();
}
#endif
}
cWSSCompact::cPAKFile::cPAKFile(const AString & a_FileName, int a_LayerX, int a_LayerZ) :
m_FileName(a_FileName),
m_LayerX(a_LayerX),
m_LayerZ(a_LayerZ),
m_NumDirty(0),
m_ChunkVersion( CHUNK_VERSION ), // Init with latest version
m_PakVersion( PAK_VERSION )
{
cFile f;
if (!f.Open(m_FileName, cFile::fmRead))
{
return;
}
// Read headers:
READ(m_PakVersion);
if (m_PakVersion != 1)
{
LOGERROR("File \"%s\" is in an unknown pak format (%d)", m_FileName.c_str(), m_PakVersion);
return;
}
READ(m_ChunkVersion);
switch( m_ChunkVersion )
{
case 1:
m_ChunkSize.Set(16, 128, 16);
break;
case 2:
case 3:
m_ChunkSize.Set(16, 256, 16);
break;
default:
LOGERROR("File \"%s\" is in an unknown chunk format (%d)", m_FileName.c_str(), m_ChunkVersion);
return;
};
short NumChunks = 0;
READ(NumChunks);
// Read chunk headers:
for (int i = 0; i < NumChunks; i++)
{
sChunkHeader * Header = new sChunkHeader;
READ(*Header);
m_ChunkHeaders.push_back(Header);
} // for i - chunk headers
// Read chunk data:
if (f.ReadRestOfFile(m_DataContents) == -1)
{
LOGERROR("Cannot read file \"%s\" contents", m_FileName.c_str());
return;
}
if( m_ChunkVersion == 1 ) // Convert chunks to version 2
{
UpdateChunk1To2();
}
#if AXIS_ORDER == AXIS_ORDER_XZY
if( m_ChunkVersion == 2 ) // Convert chunks to version 3
{
UpdateChunk2To3();
}
#endif
}
