/// <summary>
/// Writes the binary data to the stream.
/// </summary>
/// <param name="grf"></param>
/// <param name="writer"></param>
internal void WriteToBinaryTable(Format grf, BinaryWriter writer)
{
// Skip deleted files
if (IsDeleted)
{
return;
}
byte[] buf;
// Update new offset
DataOffset = (uint)writer.BaseStream.Position;
// Either new or changed?
if (IsUpdated == false && IsAdded == false)
{
// Auto-convert to 0x200 compression (deflate)
if (grf.Version != 0x200)
{
// #1: Decompress buf and update length
buf = grf.GetFileData(NameHash, true);
LengthUnCompressed = (uint)buf.Length;
// #2: Compress and update length
buf = Deflate.Compress(buf, true);
LengthCompressed = (uint)buf.Length;
LengthCompressedAlign = (uint)buf.Length;
}
else
{
// Get compressed data
buf = grf.GetFileData(NameHash, false);
}
}
else
{
// Added or updated files, load data from origin filepath
if (File.Exists(NewFilepath) == false)
{
throw new Exception("WriteItems(): File of new or updated item not found: " + NewFilepath);
}
buf = File.ReadAllBytes(NewFilepath);
LengthUnCompressed = (uint)buf.Length;
buf = Deflate.Compress(buf, true);
LengthCompressed = LengthCompressedAlign = (uint)buf.Length;
}
try {
// Check if the buf is compressed
if (buf.Length != LengthCompressed && buf.Length != LengthCompressedAlign)
{
// The buf has to be compressed, so decompress it
byte[] bufUncompressed = Deflate.Decompress(buf);
// Update length, if decompression seems to be correct
if (bufUncompressed.Length == 0 || bufUncompressed.Length != LengthUnCompressed)
{
// Narf, corrupt file or something like that
// Just write it..
//throw new Exception("WriteItems(): Item " + Filepath + ", DataLen missmatch");
}
else
{
// Decompression was succesfull, so update size
LengthCompressed = (uint)Deflate.GetCompressedLength(bufUncompressed);
}
}
// Seems like a valid buf, write it
writer.Write(buf);
} catch (Exception e) {
System.Diagnostics.Debug.WriteLine(e);
}
}
