void cWSSCompact::cPAKFile::UpdateChunk1To2()
{
int Offset = 0;
AString NewDataContents;
int ChunksConverted = 0;
for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
{
sChunkHeader * Header = *itr;
if( ChunksConverted % 32 == 0 )
{
LOGINFO("Updating \"%s\" version 1 to version 2: " SIZE_T_FMT " %%", m_FileName.c_str(), (ChunksConverted * 100) / m_ChunkHeaders.size() );
}
ChunksConverted++;
AString Data;
int UncompressedSize = Header->m_UncompressedSize;
Data.assign(m_DataContents, Offset, Header->m_CompressedSize);
Offset += Header->m_CompressedSize;
// Crude data integrity check:
int ExpectedSize = (16*128*16)*2 + (16*128*16)/2; // For version 1
if (UncompressedSize < ExpectedSize)
{
LOGWARNING("Chunk [%d, %d] has too short decompressed data (%d bytes out of %d needed), erasing",
Header->m_ChunkX, Header->m_ChunkZ,
UncompressedSize, ExpectedSize
);
Offset += Header->m_CompressedSize;
continue;
}
// Decompress the data:
AString UncompressedData;
{
int errorcode = UncompressString(Data.data(), Data.size(), UncompressedData, UncompressedSize);
if (errorcode != Z_OK)
{
LOGERROR("Error %d decompressing data for chunk [%d, %d]",
errorcode,
Header->m_ChunkX, Header->m_ChunkZ
);
Offset += Header->m_CompressedSize;
continue;
}
}
if (UncompressedSize != (int)UncompressedData.size())
{
LOGWARNING("Uncompressed data size differs (exp %d bytes, got " SIZE_T_FMT ") for chunk [%d, %d]",
UncompressedSize, UncompressedData.size(),
Header->m_ChunkX, Header->m_ChunkZ
);
Offset += Header->m_CompressedSize;
continue;
}
// Old version is 128 blocks high with YZX axis order
char ConvertedData[cChunkDef::BlockDataSize];
int Index = 0;
unsigned int InChunkOffset = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z )
{
for( int y = 0; y < 128; ++y )
{
ConvertedData[Index++] = UncompressedData[y + z * 128 + x * 128 * 16 + InChunkOffset];
}
// Add 128 empty blocks after an old y column
memset(ConvertedData + Index, E_BLOCK_AIR, 128);
Index += 128;
}
InChunkOffset += (16 * 128 * 16);
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Metadata
{
for( int y = 0; y < 64; ++y )
{
ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
}
memset(ConvertedData + Index, 0, 64);
Index += 64;
}
InChunkOffset += (16 * 128 * 16) / 2;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Block light
{
for( int y = 0; y < 64; ++y )
{
ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
}
memset(ConvertedData + Index, 0, 64);
Index += 64;
}
InChunkOffset += (16*128*16)/2;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Sky light
{
for( int y = 0; y < 64; ++y )
{
ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
}
memset(ConvertedData + Index, 0, 64);
Index += 64;
}
InChunkOffset += (16 * 128 * 16) / 2;
AString Converted(ConvertedData, ARRAYCOUNT(ConvertedData));
// Add JSON data afterwards
if (UncompressedData.size() > InChunkOffset)
{
Converted.append( UncompressedData.begin() + InChunkOffset, UncompressedData.end() );
}
// Re-compress data
AString CompressedData;
{
int errorcode = CompressString(Converted.data(), Converted.size(), CompressedData,m_CompressionFactor);
if (errorcode != Z_OK)
{
LOGERROR("Error %d compressing data for chunk [%d, %d]",
errorcode,
Header->m_ChunkX, Header->m_ChunkZ
);
continue;
}
}
// Save into file's cache
Header->m_UncompressedSize = Converted.size();
Header->m_CompressedSize = CompressedData.size();
NewDataContents.append( CompressedData );
}
// Done converting
m_DataContents = NewDataContents;
m_ChunkVersion = 2;
SynchronizeFile();
LOGINFO("Updated \"%s\" version 1 to version 2", m_FileName.c_str() );
}
void cWSSCompact::cPAKFile::UpdateChunk2To3()
{
int Offset = 0;
AString NewDataContents;
int ChunksConverted = 0;
for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
{
sChunkHeader * Header = *itr;
if( ChunksConverted % 32 == 0 )
{
LOGINFO("Updating \"%s\" version 2 to version 3: " SIZE_T_FMT " %%", m_FileName.c_str(), (ChunksConverted * 100) / m_ChunkHeaders.size() );
}
ChunksConverted++;
AString Data;
int UncompressedSize = Header->m_UncompressedSize;
Data.assign(m_DataContents, Offset, Header->m_CompressedSize);
Offset += Header->m_CompressedSize;
// Crude data integrity check:
const int ExpectedSize = (16*256*16)*2 + (16*256*16)/2; // For version 2
if (UncompressedSize < ExpectedSize)
{
LOGWARNING("Chunk [%d, %d] has too short decompressed data (%d bytes out of %d needed), erasing",
Header->m_ChunkX, Header->m_ChunkZ,
UncompressedSize, ExpectedSize
);
Offset += Header->m_CompressedSize;
continue;
}
// Decompress the data:
AString UncompressedData;
{
int errorcode = UncompressString(Data.data(), Data.size(), UncompressedData, UncompressedSize);
if (errorcode != Z_OK)
{
LOGERROR("Error %d decompressing data for chunk [%d, %d]",
errorcode,
Header->m_ChunkX, Header->m_ChunkZ
);
Offset += Header->m_CompressedSize;
continue;
}
}
if (UncompressedSize != (int)UncompressedData.size())
{
LOGWARNING("Uncompressed data size differs (exp %d bytes, got " SIZE_T_FMT ") for chunk [%d, %d]",
UncompressedSize, UncompressedData.size(),
Header->m_ChunkX, Header->m_ChunkZ
);
Offset += Header->m_CompressedSize;
continue;
}
char ConvertedData[ExpectedSize];
memset(ConvertedData, 0, ExpectedSize);
// Cannot use cChunk::MakeIndex because it might change again?????????
// For compatibility, use what we know is current
#define MAKE_3_INDEX( x, y, z ) ( x + (z * 16) + (y * 16 * 16) )
unsigned int InChunkOffset = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y ) // YZX Loop order is important, in 1.1 Y was first then Z then X
{
ConvertedData[ MAKE_3_INDEX(x, y, z) ] = UncompressedData[InChunkOffset];
++InChunkOffset;
} // for y, z, x
unsigned int index2 = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
{
ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
++index2;
}
InChunkOffset += index2 / 2;
index2 = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
{
ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
++index2;
}
InChunkOffset += index2 / 2;
index2 = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
{
ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
++index2;
}
InChunkOffset += index2 / 2;
AString Converted(ConvertedData, ExpectedSize);
// Add JSON data afterwards
if (UncompressedData.size() > InChunkOffset)
{
Converted.append( UncompressedData.begin() + InChunkOffset, UncompressedData.end() );
}
// Re-compress data
AString CompressedData;
{
int errorcode = CompressString(Converted.data(), Converted.size(), CompressedData, m_CompressionFactor);
if (errorcode != Z_OK)
{
LOGERROR("Error %d compressing data for chunk [%d, %d]",
errorcode,
Header->m_ChunkX, Header->m_ChunkZ
);
continue;
}
}
// Save into file's cache
Header->m_UncompressedSize = Converted.size();
Header->m_CompressedSize = CompressedData.size();
NewDataContents.append( CompressedData );
}
// Done converting
m_DataContents = NewDataContents;
m_ChunkVersion = 3;
SynchronizeFile();
LOGINFO("Updated \"%s\" version 2 to version 3", m_FileName.c_str() );
}
void FLwsWebSocket::Send(const FString& Data)
{
FTCHARToUTF8 Converted(*Data);
Send((uint8*)Converted.Get(), Converted.Length(), false);
}
