private void LoadPluginData(FileStream fs, bool headerOnly, string[] recFilter) //LoadPluginData(BinaryReader br, bool headerOnly, string[] recFilter)
{
bool oldHoldUpdates = HoldUpdates;
SnipStreamWrapper snipStreamWrapper = null;
try
{
ZLibWrapper.AllocateBuffers();
RecordsTace.InitListOfRecords();
snipStreamWrapper = new SnipStreamWrapper(fs);
//BinaryReader br = new BinaryReader(fs);
string s;
uint recsize;
bool IsOblivion = false;
this.Filtered = recFilter != null && recFilter.Length > 0;
HoldUpdates = true;
s = ReadRecName(snipStreamWrapper.ReadBytes(4)); //s = ReadRecName(br);
if (s != "TES4")
{
throw new Exception("File is not a valid TES4 plugin (Missing TES4 record)");
}
// Check for file version by checking the position of the HEDR field in the file. (ie. how big are the record header.)
snipStreamWrapper.JumpTo(20, SeekOrigin.Begin); //br.BaseStream.Position = 20;
s = ReadRecName(snipStreamWrapper.ReadBytes(4)); //s = ReadRecName(br);
if (s == "HEDR")
{
// Record Header is 20 bytes
IsOblivion = true;
}
else
{
s = ReadRecName(snipStreamWrapper.ReadBytes(4)); //s = ReadRecName(br);
if (s != "HEDR")
{
throw new Exception("File is not a valid TES4 plugin (Missing HEDR subrecord in the TES4 record)");
}
// Record Header is 24 bytes. Or the file is illegal
}
snipStreamWrapper.JumpTo(4, SeekOrigin.Begin); //br.BaseStream.Position = 4;
recsize = snipStreamWrapper.ReadUInt32(); //recsize = br.ReadUInt32();
try
{
this.AddRecord(new Record("TES4", recsize, snipStreamWrapper, IsOblivion));
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
if (!headerOnly)
{
while (!snipStreamWrapper.Eof()) //while (br.PeekChar() != -1)
{
s = ReadRecName(snipStreamWrapper.ReadBytes(4)); //s = ReadRecName(br);
recsize = snipStreamWrapper.ReadUInt32(); //recsize = br.ReadUInt32();
if (s == "GRUP")
{
try
{
this.AddRecord(new GroupRecord(recsize, snipStreamWrapper, IsOblivion, recFilter, false)); //this.AddRecord(new GroupRecord(recsize, br, IsOblivion, recFilter, false));
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
else
{
bool skip = recFilter != null && Array.IndexOf(recFilter, s) >= 0;
if (skip)
{
long size = recsize + (IsOblivion ? 8 : 12);
if ((snipStreamWrapper.ReadUInt32() & 0x00040000) > 0) //if ((br.ReadUInt32() & 0x00040000) > 0)
{
size += 4; // Add 4 bytes for compressed record since the decompressed size is not included in the record size.
}
snipStreamWrapper.JumpTo((int)size, SeekOrigin.Current); //br.BaseStream.Position += size; // just position past the data
}
else
{
try
{
this.AddRecord(new Record(s, recsize, snipStreamWrapper, IsOblivion)); //this.AddRecord(new Record(s, recsize, br, IsOblivion));
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
}
}
}
}
finally
{
snipStreamWrapper.CloseAndDisposeFileStream();
snipStreamWrapper = null;
Clipboard.SetText("CompressedRecords:" + Environment.NewLine +
string.Join <string>(string.Empty, RecordsTace.CompressedRecords) +
"AllRecords:" + Environment.NewLine +
string.Join <string>(string.Empty, RecordsTace.AllRecords) +
"Max Size:" +
ZLibWrapper.MaxOutputBufferPosition.ToString(CultureInfo.InvariantCulture));
ZLibWrapper.ReleaseBuffers();
ZLib.ReleaseInflater();
HoldUpdates = oldHoldUpdates;
FireRecordListUpdate(this, this);
}
}
