Method save

Engine/source/navigation/navMesh.cpp:1630–1686

}

bool NavMesh::save()
{
   if(!dStrlen(mFileName) || !nm)
      return false;
   
   FileStream stream;
   if(!stream.open(mFileName, Torque::FS::File::Write))
   {
      Con::errorf("Could not open file %s when saving navmesh %s.",
         mFileName, getName() ? getName() : getIdString());
      return false;
   }

   // Store header.
   NavMeshSetHeader header;
   header.magic = NAVMESHSET_MAGIC;
   header.version = NAVMESHSET_VERSION;
   header.numTiles = 0;
   for(U32 i = 0; i < nm->getMaxTiles(); ++i)
   {
      const dtMeshTile* tile = ((const dtNavMesh*)nm)->getTile(i);
      if (!tile || !tile->header || !tile->dataSize) continue;
      header.numTiles++;
   }
   memcpy(&header.params, nm->getParams(), sizeof(dtNavMeshParams));
   stream.write(sizeof(NavMeshSetHeader), (const char*)&header);

   // Store tiles.
   for(U32 i = 0; i < nm->getMaxTiles(); ++i)
   {
      const dtMeshTile* tile = ((const dtNavMesh*)nm)->getTile(i);
      if(!tile || !tile->header || !tile->dataSize) continue;

      NavMeshTileHeader tileHeader;
      tileHeader.tileRef = nm->getTileRef(tile);
      tileHeader.dataSize = tile->dataSize;

      stream.write(sizeof(tileHeader), (const char*)&tileHeader);
      stream.write(tile->dataSize, (const char*)tile->data);
   }

   S32 s = mLinkIDs.size();
   stream.write(sizeof(S32), (const char*)&s);
   if (s > 0)
   {
      stream.write(sizeof(F32) * s * 6, (const char*)mLinkVerts.address());
      stream.write(sizeof(F32) * s,     (const char*)mLinkRads.address());
      stream.write(sizeof(U8) * s,      (const char*)mLinkDirs.address());
      stream.write(sizeof(U8) * s,      (const char*)mLinkAreas.address());
      stream.write(sizeof(U16) * s,     (const char*)mLinkFlags.address());
      stream.write(sizeof(U32) * s,     (const char*)mLinkIDs.address());
   }

   stream.close();

   return true;
}