| public GetCompressedCopy ( [ stream, bool prependBlockCount ) : void | ||
| stream | [ | Stream to write the compressed data to. |
| prependBlockCount | bool | If true, prepends block data with signed, 32bit, big-endian block count. |
| return | void | |
public void GetCompressedCopy( [NotNull] Stream stream, bool prependBlockCount )
{
if ( stream == null )
throw new ArgumentNullException( "stream" );
using ( GZipStream compressor = new GZipStream( stream, CompressionMode.Compress ) ) {
if ( prependBlockCount ) {
// convert block count to big-endian
int convertedBlockCount = IPAddress.HostToNetworkOrder( Blocks.Length );
// write block count to gzip stream
compressor.Write( BitConverter.GetBytes( convertedBlockCount ), 0, 4 );
}
compressor.Write( Blocks, 0, Blocks.Length );
}
}
byte[] GetCompressedBlocks(Map map) {
bool customBlocks = Supports(CpeExtension.CustomBlocks);
if (customBlocks && Supports(CpeExtension.BlockDefinitions))
return map.GetCompressedCopy(map.Blocks);
byte[] blocks = customBlocks ?
map.GetCPEFallbackMap() : map.GetFallbackMap();
return Map.MakeCompressedMap(blocks);
}
