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we can now (somewhat) read .SAV files, but it's still broken

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Michael Becker 2020-09-12 07:03:34 -04:00
parent 595832e7a2
commit a906a8bff3
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GPG Key ID: 506F54899E2BFED7
1 changed files with 54 additions and 21 deletions
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75
Plugins/UniversalEditor.Plugins.Kronosaur/DataFormats/FileSystem/Kronosaur/TDB/ALDFDataFormat.cs
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@ -54,11 +54,10 @@ namespace UniversalEditor.DataFormats.FileSystem.Kronosaur.TDB
private const int FREE_ENTRY = -1;
private const int INVALID_ENTRY = -1;
private int mvarFormatVersion = 2;
public int FormatVersion { get { return mvarFormatVersion; } set { mvarFormatVersion = value; } }
public int FormatVersion { get; set; } = 2;
public int BlockSize { get; set; } = 4096;
private int mvarBlockSize = 4096;
public int BlockSize { get { return mvarBlockSize; } set { mvarBlockSize = value; } }
private static CompressionModule zlib = CompressionModule.FromKnownCompressionMethod(CompressionMethod.Zlib);
protected override void LoadInternal(ref ObjectModel objectModel)
{
@ -70,9 +69,9 @@ namespace UniversalEditor.DataFormats.FileSystem.Kronosaur.TDB
string signature = reader.ReadFixedLengthString(4);
if (signature != "FDLA") throw new InvalidDataFormatException("File does not begin with 'FDLA'");
mvarFormatVersion = reader.ReadInt32();
FormatVersion = reader.ReadInt32();
mvarBlockSize = reader.ReadInt32();
BlockSize = reader.ReadInt32();
int blockCount = reader.ReadInt32();
int entryTableCount = reader.ReadInt32();
int entryTableOffset = reader.ReadInt32();
@ -93,35 +92,69 @@ namespace UniversalEditor.DataFormats.FileSystem.Kronosaur.TDB
SeekToBlock(reader, defaultEntry.dwBlock, true);
ResourceTableObjectModel trobj = new ResourceTableObjectModel();
Document.Load(trobj, new TRDBDataFormat(), reader.Accessor, false);
CompressionModule zlib = CompressionModule.FromKnownCompressionMethod(CompressionMethod.Zlib);
foreach (ResourceTableEntry entry in trobj.Entries)
try
{
ALDFEntryStruct entry1 = entries[entry.EntryID];
File file = fsom.AddFile(entry.Name);
file.Source = new EmbeddedFileSource(reader, GetLogicalOffsetFromBlockOffset(entry1.dwBlock, true), entry1.dwSize, new FileSourceTransformation[] { new FileSourceTransformation(FileSourceTransformationType.Input, delegate(object sender, System.IO.Stream inputStream, System.IO.Stream outputStream)
Document.Load(trobj, new TRDBDataFormat(), reader.Accessor, false);
foreach (ResourceTableEntry entry in trobj.Entries)
{
if ((entry.Flags & ResourceTableEntryFlags.CompressZlib) == ResourceTableEntryFlags.CompressZlib)
ALDFEntryStruct entry1 = entries[entry.EntryID];
File file = fsom.AddFile(entry.Name);
file.Source = new EmbeddedFileSource(reader, GetLogicalOffsetFromBlockOffset(entry1.dwBlock, true), entry1.dwSize, new FileSourceTransformation[] { new FileSourceTransformation(FileSourceTransformationType.Input, delegate(object sender, System.IO.Stream inputStream, System.IO.Stream outputStream)
{
Reader br = new Reader(new StreamAccessor(inputStream));
Writer bw = new Writer(new StreamAccessor(outputStream));
byte[] compressedData = br.ReadToEnd();
byte[] decompressedData = zlib.Decompress(compressedData);
byte[] decompressedData = null;
if ((entry.Flags & ResourceTableEntryFlags.CompressZlib) == ResourceTableEntryFlags.CompressZlib)
{
decompressedData = zlib.Decompress(compressedData);
}
else
{
decompressedData = compressedData;
}
bw.WriteBytes(decompressedData);
bw.Flush();
}
}) });
}) });
file.Size = entry1.dwSize;
file.Size = entry1.dwSize;
}
}
catch (InvalidDataFormatException ex)
{
for (int i = 0; i < entries.Count; i++)
{
File file = fsom.AddFile(i.ToString().PadLeft(8, '0'));
file.Size = entries[i].dwSize;
ALDFEntryFlags flags = entries[i].dwFlags;
file.Source = new EmbeddedFileSource(reader, GetLogicalOffsetFromBlockOffset(entries[i].dwBlock, true), entries[i].dwSize, new FileSourceTransformation[] { new FileSourceTransformation(FileSourceTransformationType.Input, delegate(object sender, System.IO.Stream inputStream, System.IO.Stream outputStream)
{
Reader br = new Reader(new StreamAccessor(inputStream));
Writer bw = new Writer(new StreamAccessor(outputStream));
byte[] compressedData = br.ReadToEnd();
byte[] decompressedData = null;
if (compressedData.Length > 2 && (compressedData[0] == 0x78 && compressedData[1] == 0x9C))
{
decompressedData = zlib.Decompress(compressedData);
}
else
{
decompressedData = compressedData;
}
bw.WriteBytes(decompressedData);
bw.Flush();
}) });
}
}
}
private long GetLogicalOffsetFromBlockOffset(int blockIndex, bool includeHeaderSize = false)
{
return (blockIndex * mvarBlockSize) + (includeHeaderSize ? HEADERSIZE : 0);
return (blockIndex * BlockSize) + (includeHeaderSize ? HEADERSIZE : 0);
}
private void SeekToBlock(Reader reader, int blockIndex, bool includeHeaderSize = false)
@ -150,7 +183,7 @@ namespace UniversalEditor.DataFormats.FileSystem.Kronosaur.TDB
// Write the header
writer.WriteFixedLengthString("ALDF");
writer.WriteInt32(mvarFormatVersion);
writer.WriteInt32(FormatVersion);
writer.WriteInt32(iBlockSize);
writer.WriteInt32(iBlockCount);
writer.WriteInt32(iEntryTableCount);