diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 58d6e6e6..8712275b 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -247,6 +247,7 @@
+
diff --git a/ArcFormats/Silky/ArcAzurite.cs b/ArcFormats/Silky/ArcAzurite.cs
new file mode 100644
index 00000000..dae514c7
--- /dev/null
+++ b/ArcFormats/Silky/ArcAzurite.cs
@@ -0,0 +1,85 @@
+//! \file ArcAzurite.cs
+//! \date Fri Dec 30 04:09:23 2016
+//! \brief Silky's resource archive.
+//
+// Copyright (C) 2016 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 GameRes.Utility;
+
+namespace GameRes.Formats.Silky
+{
+ [Export(typeof(ArchiveFormat))]
+ public class SilkyArcOpener : Ai6Opener
+ {
+ public override string Tag { get { return "ARC/AZURITE"; } }
+ public override string Description { get { return "Silky's resource archive"; } }
+ public override uint Signature { get { return 0; } }
+ public override bool IsHierarchic { get { return false; } }
+ public override bool CanWrite { get { return false; } }
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ if (!file.Name.EndsWith (".arc", StringComparison.InvariantCultureIgnoreCase))
+ return null;
+ uint index_size = file.View.ReadUInt32 (0);
+ if (index_size < 10 || index_size >= file.MaxOffset-4)
+ return null;
+ if (0 == file.View.ReadByte (4))
+ return null;
+
+ var dir = new List();
+ using (var index = file.CreateStream (4, index_size))
+ {
+ var name_buffer = new byte[0x100];
+ while (index.PeekByte() != -1)
+ {
+ int name_length = index.ReadByte();
+ if (0 == name_length)
+ return null;
+ if (name_length != index.Read (name_buffer, 0, name_length))
+ return null;
+ DecryptName (name_buffer, name_length);
+ var name = Encodings.cp932.GetString (name_buffer, 0, name_length);
+ var entry = FormatCatalog.Instance.Create (name);
+ entry.Size = Binary.BigEndian (index.ReadUInt32());
+ entry.UnpackedSize = Binary.BigEndian (index.ReadUInt32());
+ entry.Offset = Binary.BigEndian (index.ReadUInt32());
+ if (entry.Offset < index_size+4 || !entry.CheckPlacement (file.MaxOffset))
+ return null;
+ entry.IsPacked = entry.Size != entry.UnpackedSize;
+ dir.Add (entry);
+ }
+ }
+ return new ArcFile (file, this, dir);
+ }
+
+ static void DecryptName (byte[] buffer, int length)
+ {
+ byte key = (byte)length;
+ for (int i = 0; i < length; ++i)
+ buffer[i] += key--;
+ }
+ }
+}