void BinaryMeshFileReader::read(IMeshBuilder& builder)
{
BufferedFile file(
m_filename.c_str(),
BufferedFile::BinaryType,
BufferedFile::ReadMode);
if (!file.is_open())
throw ExceptionIOError();
read_and_check_signature(file);
uint16 version;
checked_read(file, version);
auto_ptr<ReaderAdapter> reader;
switch (version)
{
// Uncompressed.
case 1:
reader.reset(new PassthroughReaderAdapter(file));
break;
// LZO-compressed.
case 2:
throw ExceptionIOError(
"binarymesh format version 2 is no longer supported; "
"please use the convertmeshfile tool that ships with appleseed 1.1.0 alpha-21 or earlier");
// LZ4-compressed.
case 3:
reader.reset(new LZ4CompressedReaderAdapter(file));
break;
// Unknown format.
default:
throw ExceptionIOError("unknown binarymesh format version");
}
read_meshes(*reader.get(), builder);
}
void BinaryMeshFileReader::read(IMeshBuilder& builder)
{
BufferedFile file(
m_filename.c_str(),
BufferedFile::BinaryType,
BufferedFile::ReadMode);
if (!file.is_open())
throw ExceptionIOError();
read_and_check_signature(file);
uint16 version;
checked_read(file, version);
auto_ptr<ReaderAdapter> reader;
switch (version)
{
case 1: // uncompressed
reader.reset(new PassthroughReaderAdapter(file));
break;
case 2: // LZO-compressed (deprecated)
reader.reset(new LZOCompressedReaderAdapter(file));
break;
case 3: // LZ4-compressed
reader.reset(new LZ4CompressedReaderAdapter(file));
break;
default: // unknown format
throw ExceptionIOError(); // todo: throw better-qualified exception
}
read_meshes(*reader.get(), builder);
}