diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index b727baa4..3219283f 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -559,6 +559,7 @@
+
diff --git a/ArcFormats/YaneSDK/ArcHibiki.cs b/ArcFormats/YaneSDK/ArcHibiki.cs
new file mode 100644
index 00000000..7fbbd396
--- /dev/null
+++ b/ArcFormats/YaneSDK/ArcHibiki.cs
@@ -0,0 +1,187 @@
+//! \file ArcHibiki.cs
+//! \date Fri May 12 19:06:19 2017
+//! \brief Hibiki Works resource archive.
+//
+// Copyright (C) 2017 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Runtime.Serialization.Formatters.Binary;
+using GameRes.Utility;
+
+namespace GameRes.Formats.YaneSDK
+{
+ [Export(typeof(ArchiveFormat))]
+ public class HDatOpener : ArchiveFormat
+ {
+ public override string Tag { get { return "DAT/hibiki"; } }
+ public override string Description { get { return "YaneSDK engine resource archive"; } }
+ public override uint Signature { get { return 0; } }
+ public override bool IsHierarchic { get { return false; } }
+ public override bool CanWrite { get { return false; } }
+
+ public static readonly string SchemeFileName = "hibiki_works.dat";
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ if (!file.Name.HasExtension (".dat"))
+ return null;
+ int count = (short)(file.View.ReadUInt16 (0) ^ 0x8080);
+ if (!IsSaneCount (count))
+ return null;
+ var scheme = QueryScheme (file.Name);
+ if (null == scheme)
+ return null;
+ var dat_name = Path.GetFileName (file.Name).ToLowerInvariant();
+ IList toc_table = null;
+ if (scheme.ArcMap != null && scheme.ArcMap.TryGetValue (dat_name, out toc_table))
+ {
+ if (toc_table.Count != count)
+ toc_table = null;
+ }
+ var lst_name = Path.ChangeExtension (file.Name, ".lst");
+ Stream input;
+ if (VFS.FileExists (lst_name))
+ input = VFS.OpenStream (lst_name);
+ else
+ input = file.CreateStream();
+
+ using (var dec = new XoredStream (input, 0x80))
+ using (var index = new BinaryReader (dec))
+ {
+ const int name_length = 0x100;
+ index.BaseStream.Position = 2;
+ var name_buf = new byte[name_length];
+ var dir = new List (count);
+ for (int i = 0; i < count; ++i)
+ {
+ if (name_length != index.Read (name_buf, 0, name_length))
+ return null;
+ var name = Binary.GetCString (name_buf, 0);
+ var entry = FormatCatalog.Instance.Create (name);
+ index.ReadUInt16();
+ entry.Size = index.ReadUInt32();
+ entry.Offset = index.ReadUInt32();
+ if (toc_table != null)
+ {
+ entry.Offset = toc_table[i].Offset;
+ entry.Size = toc_table[i].Size;
+ }
+ if (!entry.CheckPlacement (file.MaxOffset))
+ return null;
+ dir.Add (entry);
+ }
+ return new HibikiArchive (file, this, dir, scheme.ContentKey);
+ }
+ }
+
+ public override Stream OpenEntry (ArcFile arc, Entry entry)
+ {
+ var harc = arc as HibikiArchive;
+ if (null == harc)
+ return base.OpenEntry (arc, entry);
+ var key = harc.Key;
+ uint encrypted = Math.Min (entry.Size, (uint)key.Length);
+ var header = arc.File.View.ReadBytes (entry.Offset, encrypted);
+ for (int i = 0; i < header.Length; ++i)
+ header[i] ^= key[i];
+ if (encrypted == entry.Size)
+ return new BinMemoryStream (header);
+ var rest = arc.File.CreateStream (entry.Offset + encrypted, entry.Size - encrypted);
+ return new PrefixStream (header, rest);
+ }
+
+ HibikiDatScheme QueryScheme (string arc_name)
+ {
+ if (null == KnownSchemes)
+ return null;
+ // XXX add GUI widget to select scheme
+ return KnownSchemes.Values.FirstOrDefault();
+ }
+
+ static Lazy s_Scheme = new Lazy (DeserializeScheme);
+
+ internal IDictionary KnownSchemes {
+ get { return s_Scheme.Value.KnownSchemes; }
+ }
+
+ static HibikiScheme DeserializeScheme ()
+ {
+ try
+ {
+ var dir = FormatCatalog.Instance.DataDirectory;
+ var scheme_file = Path.Combine (dir, SchemeFileName);
+ using (var input = File.OpenRead (scheme_file))
+ {
+ var bin = new BinaryFormatter();
+ return (HibikiScheme)bin.Deserialize (input);
+ }
+ }
+ catch (Exception X)
+ {
+ Trace.WriteLine (X.Message, "hibiki_works scheme deserialization failed");
+ return new HibikiScheme();
+ }
+ }
+ }
+
+ internal class HibikiArchive : ArcFile
+ {
+ public readonly byte[] Key;
+
+ public HibikiArchive (ArcView arc, ArchiveFormat impl, ICollection dir, byte[] key)
+ : base (arc, impl, dir)
+ {
+ Key = key;
+ }
+ }
+
+ [Serializable]
+ public class HibikiScheme : ResourceScheme
+ {
+ public IDictionary KnownSchemes;
+ }
+
+ [Serializable]
+ public class HibikiDatScheme
+ {
+ public byte[] ContentKey;
+ public IDictionary> ArcMap;
+ }
+
+ [Serializable]
+ public struct HibikiTocRecord
+ {
+ public uint Offset;
+ public uint Size;
+
+ public HibikiTocRecord (uint offset, uint size)
+ {
+ Offset = offset;
+ Size = size;
+ }
+ }
+}