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slight modifications to support FileSystemObjectModel folders and possibly an archive that DOESN'T start at zero

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This commit is contained in:
Michael Becker 2020-01-01 22:39:33 -05:00
parent 5cc379c957
commit 63994e09f0
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GPG Key ID: 506F54899E2BFED7
1 changed files with 8 additions and 7 deletions
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15
CSharp/Plugins/UniversalEditor.Plugins.ChaosWorks/DataFormats/FileSystem/ChaosWorks/ChaosWorksVOLDataFormat.cs
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@ -34,7 +34,7 @@ namespace UniversalEditor.DataFormats.FileSystem.ChaosWorks
if (fsom == null) return;
Reader br = Accessor.Reader;
long startOfFile = Accessor.Position;
Accessor.Seek(-20, SeekOrigin.End);
// 20 byte header at the end of the file
@ -67,10 +67,11 @@ namespace UniversalEditor.DataFormats.FileSystem.ChaosWorks
LZRW1CompressionModule module = new LZRW1CompressionModule();
Accessor.Position = 0;
Accessor.Seek(startOfFile, SeekOrigin.Begin);
while (!br.EndOfStream)
{
if (br.Remaining == 20)
if (br.Remaining <= 20)
{
// we are done reading the file, because we've encountered the footer!
break;
@ -79,13 +80,12 @@ namespace UniversalEditor.DataFormats.FileSystem.ChaosWorks
short CHUNKSIZE = br.ReadInt16();
byte[] compressed = br.ReadBytes(CHUNKSIZE);
byte[] decompressed = module.Decompress(compressed);
bwms.WriteBytes(decompressed);
if (br.EndOfStream) break;
}
bwms.Flush();
ma.Position = 0;
@ -99,16 +99,17 @@ namespace UniversalEditor.DataFormats.FileSystem.ChaosWorks
{
string fileType = brms.ReadFixedLengthString(260);
string fileName = brms.ReadFixedLengthString(292);
fileName = fileName.TrimNull();
int fileSize = brms.ReadInt32();
int unknown1 = brms.ReadInt32();
int fileOffset = brms.ReadInt32();
int unknown2 = brms.ReadInt32();
int unknown3 = brms.ReadInt32();
File file = new File();
File file = fsom.AddFile(fileName);
file.Size = fileSize;
file.Source = new EmbeddedFileSource(brms, fileOffset, fileSize);
fsom.Files.Add(file);
}
}