Public-Mirror/GARbro-mirror
1
0
Fork 0
mirror of https://github.com/crskycode/GARbro.git synced 2024-11-27 15:44:00 +08:00
Code Issues Projects Releases Wiki Activity

recognize and unpack LZSS-compressed files.

Browse Source
This commit is contained in:
morkt 2015-05-13 23:20:25 +04:00
parent 6150e7f29c
commit 76d0dce6b2
1 changed files with 23 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
ArcFormats/ArcBlackPackage.cs
View File

@ -29,13 +29,13 @@ using System.ComponentModel.Composition;
using System.IO;
using GameRes.Utility;
namespace GameRes.Formats.BlackPackage
namespace GameRes.Formats.Ffa
{
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/BP"; } }
public override string Description { get { return "Black Package resource archive"; } }
public override string Tag { get { return "FFA/DAT"; } }
public override string Description { get { return "FFA System resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
@ -72,5 +72,25 @@ namespace GameRes.Formats.BlackPackage
return new ArcFile (file, this, dir);
}
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
if (entry.Size <= 8 || Path.GetExtension (entry.Name).ToLowerInvariant() != ".so4")
return input;
using (var header = new ArcView.Reader (input))
{
int packed = header.ReadInt32();
int unpacked = header.ReadInt32();
if (packed+8 != entry.Size || packed <= 0 || unpacked <= 0)
return input;
using (input)
using (var reader = new LzssReader (input, packed, unpacked))
{
reader.Unpack();
return new MemoryStream (reader.Data);
}
}
}
}
}