コード例 #1
0
void
SFDLoadableHeader::loadInitialHeader( SharedBuffer& buf )
{
   // Load initial header.
   const char* str = buf.readNextString();
   if ( strcmp( str, "storkafinger" ) != 0 ) {
      m_state = failed_to_load;
      m_nbrBytesToRead = 0;
      innerLoad();
      return;
   }

   // Version
   m_version = buf.readNextBAByte();
  
   // Encryption type.
   m_encryptionType = encryption_t( buf.readNextBAByte() );

   // Set the right xorbuffer depending on the encryption type.
   switch ( m_encryptionType ) {
      case ( no_encryption ) :
         m_xorBuffer = NULL;
         break;
      case ( uid_encryption ) :
         MC2_ASSERT( m_uidXorBuffer != NULL );
         m_xorBuffer = m_uidXorBuffer;
         break;
      case ( warez_encryption ) :
         MC2_ASSERT( m_warezXorBuffer != NULL );
         m_xorBuffer = m_warezXorBuffer;
         break;
   }

   // Header size.
   m_headerSize = buf.readNextBALong();

   // Rest of buffer is encrypted.
   if ( m_xorBuffer != NULL ) {
      m_fileHandler->setXorHelper( XorHelper( m_xorBuffer->getBufferAddress(),
                                             m_xorBuffer->getBufferSize(),
                                             buf.getCurrentOffset() ) );
   }

   m_nbrBytesToRead = m_headerSize;
   
   // Load the rest.
   m_state = loaded_initial_header;
   innerLoad();
}
コード例 #2
0
void
SFDLoadableHeader::loadRemainingHeader( SharedBuffer& buf )
{
   // File size.
   m_fileSize = buf.readNextBALong();

   // The name.
   m_name = buf.readNextString();

   mc2dbg << "[SFDLH] m_name = " << m_name << endl;

   // Check the file size.
   if ( m_fileHandler->getFileSize() != m_fileSize ) {
      m_state = failed_to_load;
      m_nbrBytesToRead = 0;
      innerLoad();
      return;
   }

   // Creation time.
   m_creationTime = buf.readNextBALong();

   // Null terminated strings?
   m_stringsAreNullTerminated = buf.readNextBAByte();

   // Longest length of string.
   m_maxStringSize = buf.readNextBAByte();

   // Nbr initial chars.
   byte nbrInitialChars = buf.readNextBAByte();
   m_initialCharacters.resize( nbrInitialChars );
   // Initial chars.
   {for ( byte b = 0; b < nbrInitialChars; ++b ) {
      m_initialCharacters[ b ] = buf.readNextBAByte();
   }}
   
   // Nbr route ids.
   byte nbrRouteIDs = buf.readNextBAByte();
   m_routeIDs.reserve( nbrRouteIDs );
   {for ( byte b = 0; b < nbrRouteIDs; ++b ) {
      uint32 id = buf.readNextBALong();
      uint32 creationTime = buf.readNextBALong(); 
      m_routeIDs.push_back( RouteID( id, creationTime ) );
   }}

   // Number of bits for the string index.
   m_strIdxEntrySizeBits = buf.readNextBALong();

   // Position for the start of strings index.
   m_strIdxStartOffset = buf.readNextBALong();

   // Number strings.
   m_nbrStrings = buf.readNextBALong();
   
   // Position for the start of string data.
   m_strDataStartOffset = buf.readNextBALong();

   // Position for the start of the buffers index.
   m_bufferIdxStartOffset = buf.readNextBALong();

   // Position for the start of the buffer data.
   m_bufferDataStartOffset = buf.readNextBALong();
  
   // If to read debug param strings for the multi buffers.
   m_readDebugParams = buf.readNextBAByte();
   
   // The tile collections.
   uint32 nbrCollections = buf.readNextBAShort();

   m_tileCollection.resize( nbrCollections );
   {for ( uint32 i = 0; i < nbrCollections; ++i ) {
      m_tileCollection[ i ].load( buf );
   }}
  
   // All is now loaded.
   m_state = loaded_all_header;
   m_nbrBytesToRead = 0;
   innerLoad();
}