void TileStorage::WriteToFile(FILE* f, std::vector< uint64_t >& tile_order)
{
char magic[16];
strcpy(magic,"spring tilefile");
int version = 1;
int numtiles = m_tiles_compressed.size();
int tileSize = 32;
int compressionType = 1;
fwrite(magic,16,1,f);
fwrite(&version,4,1,f);
fwrite(&numtiles,4,1,f);
fwrite(&tileSize,4,1,f);
fwrite(&compressionType,4,1,f);
for ( std::vector< uint64_t >::const_iterator it = tile_order.begin(); it != tile_order.end(); it++ )
{
if ( m_tiles_compressed.find(*it) == m_tiles_compressed.end() )
{
CompressAll();
}
if ( m_tiles_compressed.find(*it) == m_tiles_compressed.end() )
{
throw InvalidTileIndexException();
}
fwrite(m_tiles_compressed[*it],680,1,f);
}
fflush(f);
}
//enumerates the sets to which the items belong
void UnionFind::EnumerateSets(std::vector<int>& sets)
{
CompressAll();
sets.resize(parents.size());
for(int i=0;i<(int)parents.size();i++) sets[i]=FindRoot(i);
}
