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(PakOpener): decrypt script files.

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This commit is contained in:
morkt 2015-10-19 09:04:24 +04:00
parent 75a85ee85a
commit 6b77284713
1 changed files with 19 additions and 1 deletions
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20
ArcFormats/Cherry/ArcCherry.cs
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@ -36,7 +36,7 @@ namespace GameRes.Formats.Cherry
public class PakOpener : ArchiveFormat
{
public override string Tag { get { return "PAK/CHERRY"; } }
public override string Description { get { return "Cherry Soft resource archive"; } }
public override string Description { get { return "Cherry Soft PACK resource archive"; } }
public override uint Signature { get { return 0x52454843; } } // 'CHER'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
@ -90,5 +90,23 @@ namespace GameRes.Formats.Cherry
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (!arc.File.View.AsciiEqual (entry.Offset, "GsWIN SC File"))
return arc.File.CreateStream (entry.Offset, entry.Size);
var text_offset = 0x68 + arc.File.View.ReadUInt32 (entry.Offset+0x5C);
var text_size = arc.File.View.ReadUInt32 (entry.Offset+0x60);
if (0 == text_size || text_offset+text_size > entry.Size)
return arc.File.CreateStream (entry.Offset, entry.Size);
var data = new byte[entry.Size];
arc.File.View.Read (entry.Offset, data, 0, entry.Size);
for (uint i = 0; i < text_size; ++i)
{
data[text_offset+i] ^= (byte)i;
}
return new MemoryStream (data);
}
}
}