/// <summary>
/// Write an MTPA file to disk.
/// </summary>
/// <param name="output">A writable stream of an MTPA file.</param>
public void Save(Stream output)
{
using (var bw = new BinaryWriterX(output))
{
var metadataSize = _mtpaHeader.MetadataSize;
// Move passed the headers.
bw.BaseStream.Position = Common.PacketHeaderXSize + MtpaHeaderSize + _mtpaHeaderData.Count * sizeof(int);
// Write the metadata pointers which don't change (add not supported).
foreach (var pointer in _mtpaTextMetadataPointers)
{
bw.Write(pointer);
}
// Move passed the metadata.
var metadataStart = bw.BaseStream.Position;
bw.BaseStream.Position += _mtpaHeader.MetadataCount * sizeof(int) * metadataSize;
// Write out the text strings.
var textStart = (int)bw.BaseStream.Position;
for (var i = 0; i < Entries.Count; i++)
{
var text = Encoding.GetEncoding("Shift-JIS").GetBytes(Entries[i].EditedText);
_mtpaTextMetadata[i].Offset = (int)bw.BaseStream.Position - textStart;
bw.WriteROTnInt32(text.Length);
bw.WriteROTnBytes(text);
bw.Write((byte)0x01);
bw.WriteAlignment(4, 0x01);
}
bw.WriteAlignment(8);
// Update Packet Header
_packetHeader.DataSize = (int)bw.BaseStream.Position - Common.PacketHeaderXSize;
// ENRS
bw.WriteType(_enrs);
bw.Write(_enrsData);
bw.WriteType(_enrsFooter);
// Update Packet Header
_packetHeader.PacketSize = (int)bw.BaseStream.Position - Common.PacketHeaderXSize;
// Footer
bw.WriteType(_mtpaFooter);
// Write Text Metadata
bw.BaseStream.Position = metadataStart;
foreach (var pointer in _mtpaTextMetadata)
{
bw.WriteType(pointer);
}
// Write Packer Header
bw.BaseStream.Position = 0;
bw.WriteType(_packetHeader);
// Write MTPA Header
bw.WriteType(_mtpaHeader);
// Write Unknown MTPA Data
foreach (var data in _mtpaHeaderData)
{
bw.Write(data);
}
}
}
