implemented ACV1 archives.

ArcFormats/ArcFormats.csproj

@@ -221,6 +221,7 @@
     <Compile Include="NitroPlus\WidgetNPK.xaml.cs">
       <DependentUpon>WidgetNPK.xaml</DependentUpon>
     </Compile>
+    <Compile Include="NonColor\ArcACV.cs" />
     <Compile Include="NonColor\ArcDAT.cs" />
     <Compile Include="Crc64.cs" />
     <Compile Include="NonColor\WidgetNCARC.xaml.cs">

ArcFormats/NonColor/ArcACV.cs

@@ -0,0 +1,93 @@
+//! \file       ArcACV.cs
+//! \date       Wed Dec 28 09:49:14 2016
+//! \brief      Mirai 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 System.IO;
+using GameRes.Compression;
+using GameRes.Utility;
+
+namespace GameRes.Formats.NonColor
+{
+    [Export(typeof(ArchiveFormat))]
+    public class AcvOpener : DatOpener
+    {
+        public override string         Tag { get { return "ACV"; } }
+        public override string Description { get { return "Mirai resource archive"; } }
+        public override uint     Signature { get { return 0x31564341; } } // 'ACV1'
+        public override bool  IsHierarchic { get { return true; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public AcvOpener ()
+        {
+            Extensions = new string[] { "dat" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            uint key = 0x8B6A4E5F;
+            int count = file.View.ReadInt32 (4) ^ (int)key;
+            if (!IsSaneCount (count))
+                return null;
+
+            var scheme = QueryScheme (file.Name);
+            if (null == scheme)
+                return null;
+
+            bool is_script = VFS.IsPathEqualsToFileName (file.Name, "script.dat");
+
+            var dir = new List<Entry> (count);
+            using (var input = file.CreateStream (8, (uint)count * 0x15))
+            {
+                foreach (var entry in ReadIndex (input, count, scheme, key))
+                {
+                    if (!entry.CheckPlacement (file.MaxOffset))
+                        return null;
+                    if (is_script)
+                        entry.Hash ^= scheme.Hash;
+                    dir.Add (entry);
+                }
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            var dent = entry as ArcDatEntry;
+            if (null == dent || 0 == dent.Size)
+                return arc.File.CreateStream (entry.Offset, entry.Size);
+            var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
+            if (dent.IsPacked)
+            {
+                DecryptData (data, (uint)dent.Hash);
+                return new ZLibStream (new MemoryStream (data), CompressionMode.Decompress);
+            }
+            if (dent.RawName != null && 0 != dent.Flags)
+                DecryptWithName (data, dent.RawName);
+            return new BinMemoryStream (data, entry.Name);
+        }
+    }
+}

supported.html

@@ -906,6 +906,7 @@ Otto no Mae de Okasarete...<br/>
 <tr class="last"><td>*.gec</td><td>-</td><td>No</td></tr>
 <tr class="odd"><td>*.arc</td><td>-</td><td>No</td><td rowspan="2">AI6WIN</td><td rowspan="2">
 Gakuen Saimin Reido<br/>
+Shinsou Noise<br/>
 </td></tr>
 <tr class="odd last"><td>*.akb</td><td><tt>AKB</tt></td><td>No</td></tr>
 <tr><td>*.cpz</td><td><tt>CPZ2</tt><br/><tt>CPZ5</tt><br/><tt>CPZ6</tt></td><td>No</td><td rowspan="5">CMVS<br/>CVNS</td><td rowspan="5">
@@ -1061,8 +1062,9 @@ Shin Genre Esudere!!<br/>
 Valkyrie Complex<br/>
 </td></tr>
 <tr class="last"><td>*.cps</td><td>-</td><td>No</td></tr>
-<tr class="odd"><td>arc*.dat<br/>script.dat</td><td>-</td><td>No</td><td>non color</td><td>
+<tr class="odd"><td>arc*.dat<br/>script.dat</td><td>-<br/><tt>ACV1</tt></td><td>No</td><td>non color<br/>mirai</td><td>
 Doubly na Kanojo<br/>
+Hana Hime * Absolute!<br/>
 Nora to Oujo to Noraneko Heart<br/>
 Tsujidou-san no Jun'ai Road<br/>
 Tsujidou-san no Virgin Road<br/>
@@ -1289,6 +1291,9 @@ Maou no Ingu<br/>
 Doreijou<br/>
 </td></tr>
 <tr class="odd last"><td>*.kgf</td><td><tt>KGF</tt></td><td>No</td></tr>
+<tr><td>*.pfs</td><td><tt>pf8</tt></td><td>No</td><td>Artemis Engine</td><td>
+Boku no Elf Onee-san<br/>
+</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>