implemented Irrlicht archives.

ArcFormats/ArcFormats.csproj

@@ -110,6 +110,8 @@
     <Compile Include="Ipac\ArcIPAC.cs" />
     <Compile Include="Ipac\AudioWST.cs" />
     <Compile Include="Ipac\ImageIES.cs" />
+    <Compile Include="Irrlicht\ArcARK.cs" />
+    <Compile Include="Irrlicht\ArcPACK.cs" />
     <Compile Include="Kiss\ArcARC.cs" />
     <Compile Include="Leaf\ArcA.cs" />
     <Compile Include="Leaf\ArcAM.cs" />

ArcFormats/Irrlicht/ArcARK.cs

@@ -0,0 +1,80 @@
+//! \file       ArcARK.cs
+//! \date       Sun Aug 28 06:06:07 2016
+//! \brief      Irrlicht engine 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.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Security.Cryptography;
+
+namespace GameRes.Formats.Irrlicht
+{
+    [Export(typeof(ArchiveFormat))]
+    public class ArkOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "ARK"; } }
+        public override string Description { get { return "Irrlicht engine resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return true; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (0);
+            if (!IsSaneCount (count))
+                return null;
+
+            int index_offset = 4;
+            int first_offset = file.View.ReadInt32 (index_offset+0x104);
+            if (first_offset != (index_offset + count * 0x10C))
+                return null;
+            var name_buffer = new byte[0x104];
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                file.View.Read (index_offset, name_buffer, 0, 0x104);
+                int l;
+                for (l = 0; l < name_buffer.Length && 0xFF != name_buffer[l]; ++l)
+                    name_buffer[l] ^= 0xFF;
+                if (0 == l)
+                    return null;
+                var name = Encodings.cp932.GetString (name_buffer, 0, l);
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = file.View.ReadUInt32 (index_offset+0x104);
+                entry.Size   = file.View.ReadUInt32 (index_offset+0x108);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 0x10C;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            var input = arc.File.CreateStream (entry.Offset, entry.Size);
+            return new CryptoStream (input, new NotTransform(), CryptoStreamMode.Read);
+        }
+    }
+}

ArcFormats/Irrlicht/ArcPACK.cs

@@ -0,0 +1,74 @@
+//! \file       ArcPACK.cs
+//! \date       Sun Aug 28 06:42:38 2016
+//! \brief      Irrlicht engine audio 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;
+
+namespace GameRes.Formats.Irrlicht
+{
+    [Export(typeof(ArchiveFormat))]
+    public class PackOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "PACK/Irrlicht"; } }
+        public override string Description { get { return "Irrlicht engine audio archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public PackOpener ()
+        {
+            Extensions = new string[] { "pack" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (!file.Name.EndsWith (".pack", StringComparison.InvariantCultureIgnoreCase))
+                return null;
+            long offset = 0;
+            var dir = new List<Entry>();
+            while (offset < file.MaxOffset)
+            {
+                if (offset + 0x10A >= file.MaxOffset)
+                    return null;
+                var name = file.View.ReadString (offset, 0x104);
+                if (string.IsNullOrWhiteSpace (name))
+                    return null;
+                offset += 0x105;
+                uint size = file.View.ReadUInt32 (offset);
+                offset += 5;
+                if (offset + size > file.MaxOffset)
+                    return null;
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = offset;
+                entry.Size = size;
+                dir.Add (entry);
+                offset += size;
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}

supported.html

@@ -123,6 +123,7 @@ Chikan Kizoku<br/>
 Futagoza no Paradox<br/>
 Happy Princess<br/>
 Idol ☆ Revolution<br/>
+Katahane<br/>
 Narimono<br/>
 Reconquista<br/>
 Switch!! ~Boku ga Natsu ni Omou Koto~<br/>
@@ -1069,6 +1070,9 @@ ToHeart2 AnotherDays<br/>
 <tr><td>*.am</td><td><tt>am00</tt></td><td>No</td></tr>
 <tr><td>*.g</td><td>-</td><td>No</td></tr>
 <tr><td>*.w</td><td>-</td><td>No</td></tr>
+<tr class="odd"><td>*.ark</td><td>-</td><td>No</td><td>Irrlicht</td><td>
+Alter Ego<br/>
+</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>