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(YkcOpener): decrypt YKS script files.

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This commit is contained in:
morkt 2015-08-23 09:51:49 +04:00
parent ce27b2a5db
commit 4e5aed23d8
3 changed files with 25 additions and 2 deletions
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4
ArcFormats/Properties/AssemblyInfo.cs
View File

@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion ("1.1.9.401")]
[assembly: AssemblyFileVersion ("1.1.9.401")]
[assembly: AssemblyVersion ("1.1.9.406")]
[assembly: AssemblyFileVersion ("1.1.9.406")]

22
ArcFormats/Yuka/ArcYKC.cs
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@ -48,6 +48,11 @@ namespace GameRes.Formats.Yuka
public override bool IsHierarchic { get { return true; } }
public override bool CanCreate { get { return true; } }
public YkcOpener ()
{
Extensions = new string[] { "ykc", "dat" };
}
public override ArcFile TryOpen (ArcView file)
{
if (0x3130 != file.View.ReadUInt32 (4))
@ -82,6 +87,23 @@ namespace GameRes.Formats.Yuka
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (entry.Size < 0x24
|| !entry.Name.EndsWith (".yks", StringComparison.InvariantCultureIgnoreCase)
|| !arc.File.View.AsciiEqual (entry.Offset, "YKS001")
|| 1 != arc.File.View.ReadUInt16 (entry.Offset+6))
return arc.File.CreateStream (entry.Offset, entry.Size);
// decrypt script contents
var data = new byte[entry.Size];
arc.File.View.Read (entry.Offset, data, 0, entry.Size);
uint text_offset = LittleEndian.ToUInt32 (data, 0x20);
for (uint i = text_offset; i < data.Length; ++i)
data[i] ^= 0xAA;
data[6] = 0;
return new MemoryStream (data);
}
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
EntryCallback callback)
{

1
supported.html
View File

@ -345,6 +345,7 @@ Kikouyoku Senki Gin no Toki no Corona<br/>
<tr><td>*.wag<br/>*.4ag</td><td><tt>WAG@</tt><br/><tt>GAF4</tt></td><td>No</td></tr>
<tr class="odd"><td>*.ykc</td><td><tt>YKC001</tt></td><td>Yes</td><td rowspan="2">Yuka</td><td rowspan="2">
SuGirly Wish<br/>
_summer<br/>
</td></tr>
<tr class="odd"><td>*.ykg</td><td><tt>YKG000</tt></td><td>No</td></tr>
<tr><td>*.pak</td><td><tt>GCEX</tt></td><td>No</td><td rowspan="2">G2</td><td rowspan="2">