コード例 #1
0
bool
GenericMapHeader::internalSave(int outfile)
{
   DebugClock saveClock;

   // ***************************************************************
   //                                Save the general map information
   // ***************************************************************
   byte nbrNativeLanguages = m_nativeLanguages.size();
   
   byte nbrCurrencies = 0;
   if (m_currency != NULL)
      nbrCurrencies = (byte) m_currency->getSize();

   // version: 7
   byte version = 7;

   // Calculate variable header size.
   uint32 nameAndOrigLen = ( strlen(m_name)+1 + strlen(m_origin)+1 );
   AlignUtility::alignLong( nameAndOrigLen ); // Align because followed by long
   uint32 variableHeaderSize = 
      4 +         // varSize
      nameAndOrigLen +
      4 + 4 + 4 + // (trueCreation + wasp + ed)
      1 +         // utf8 strings bool
      1 +         // map filtered bool
      1 +         // map gfx data filtered bool
      strlen( m_mapCountryDir ) + 1;

   AlignUtility::alignLong( variableHeaderSize );

   // The number of allocators, all itemTypes, GfxDatas, Nodes and 
   // Connections etc:
   //    numberInitialItemTypeAllocators(26) + 
   //    GfxDatas(1) + Nodes(1) + Connections(1) +
   //    GfxDataSingleSmallPoly(1) + GfxDataSingleLine(1) +
   //    GfxDataSinglePoint(1) + GfxDataMultiplePoints(1) +
   //    simpleItems(1) + coordinates + lanes + categories + SignPosts
   m_nbrAllocators = uint16(numberInitialItemTypeAllocators)+12;

   // 256 for the copyright string
   DataBuffer* dataBuffer = new DataBuffer(20 + 4*nbrNativeLanguages + 
                                           4*nbrCurrencies +
                                           variableHeaderSize +
                                           4 + 8*m_nbrAllocators + 256);
   dataBuffer->fillWithZeros();

   dataBuffer->writeNextLong(m_mapID);
   dataBuffer->writeNextLong(0);    // Total size to be filled in later!!!

   // Save the current time
   if ( m_updateCreationTime ) {
      m_creationTime = TimeUtility::getRealTime();
   } else {
      mc2log << info << "[GMH]: Not updating the creation time" << endl;
   }
   dataBuffer->writeNextLong(m_creationTime);

   // Save some data about all the items in this map
   dataBuffer->writeNextLong( (uint32) m_country);

   byte flagByte = 0;
   flagByte = BitUtility::setBit( flagByte, 0, m_driveOnRightSide);
   flagByte = BitUtility::setBit( flagByte, 1, m_groupsInLocationNameOrder);
   
   dataBuffer->writeNextByte(flagByte);

   dataBuffer->writeNextByte(nbrNativeLanguages);
   dataBuffer->writeNextByte(nbrCurrencies);
   dataBuffer->writeNextByte(version);

   dataBuffer->writeNextLong(m_nbrAllocators);

   // The languages
   for ( NativeLanguageIndexes::size_type i = 0;
         i < nbrNativeLanguages; ++i ) {
      dataBuffer->writeNextLong( m_nativeLanguages[ i ] );
   }

   // The currencies
   for (uint32 i=0; i<nbrCurrencies; i++) {
      dataBuffer->writeNextLong(m_currency->getElementAt(i));
   }

   // "Calculate" true creation time,
   // it is set the first time this map is saved.
   if (m_trueCreationTime == MAX_UINT32)
      m_trueCreationTime = TimeUtility::getRealTime();

   // Variable header
   // Currently holds the map name, origin, and 3 times, and ..
   dataBuffer->writeNextLong( variableHeaderSize );
   dataBuffer->writeNextString( m_name );
   dataBuffer->writeNextString( m_origin );  
   dataBuffer->writeNextLong( m_trueCreationTime );
   dataBuffer->writeNextLong( m_waspTime );
   dataBuffer->writeNextLong( m_dynamicExtradataTime );
   // version: 5
#ifdef MC2_UTF8
   m_utf8Strings = true;
#else
   m_utf8Strings = false;
#endif
   dataBuffer->writeNextBool( m_utf8Strings );
   dataBuffer->writeNextBool( m_mapFiltered );
   dataBuffer->writeNextBool( m_mapGfxDataFiltered );
   dataBuffer->writeNextString( m_mapCountryDir );
   // version: 6 (no changes in header, but in allocator handling)


   dataBuffer->alignToLongAndClear();
   // End of variable header.


   // String with copyright-information for images of this map
   
   const char* copyrightStringToSave = m_copyrightString;   
   if ( copyrightStringToSave == NULL ) {
      copyrightStringToSave = "© 2010";
   }
   
   dataBuffer->writeNextString( copyrightStringToSave );
   dataBuffer->alignToLongAndClear();

   mc2dbg << "[GenricMapHeader]: Header saved in "
          << saveClock
          << ", version=" << int(version) << endl;

   DataBufferUtil::saveBuffer( *dataBuffer, outfile );

   delete dataBuffer;
   
   return true;
}