Tumugi archive format.

ArcFormats/ArcAdvCls.cs

@@ -0,0 +1,111 @@
+//! \file       ArcAdvCls.cs
+//! \date       Sun Jul 05 04:42:34 2015
+//! \brief      AdvCls engine resource archive.
+//
+// Copyright (C) 2015 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 System.Text;
+using GameRes.Utility;
+
+namespace GameRes.Formats.AdvCls
+{
+    [Export(typeof(ArchiveFormat))]
+    public class ArcOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "ARC/AdvCls"; } }
+        public override string Description { get { return "AdvCls engine resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public ArcOpener ()
+        {
+            Extensions = new string[] { "arc" };
+        }
+
+        static readonly string KnownKey = "kimiomo"; // "Kimi no Omoi, Sono Negai"
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (0);
+            if (count <= 0 || count > 0xfffff)
+                return null;
+            int compressed = file.View.ReadInt32 (4);
+            if (0 != compressed && 1 != compressed)
+                return null;
+            var index = new byte[count*0x24];
+            if (index.Length != file.View.Read (8, index, 0, (uint)index.Length))
+                return null;
+            DecryptIndex (index, KnownKey);
+            int index_offset = 0;
+            int data_offset = index.Length + 8;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                string name = Binary.GetCString (index, index_offset, 0x18);
+                var entry = new PackedEntry {
+                    Name = name,
+                    Type = FormatCatalog.Instance.GetTypeFromName (name),
+                    IsPacked = compressed != 0,
+                };
+                index_offset += 0x18;
+                entry.UnpackedSize = LittleEndian.ToUInt32 (index, index_offset);
+                entry.Size = LittleEndian.ToUInt32 (index, index_offset+4);
+                entry.Offset = LittleEndian.ToUInt32 (index, index_offset+8);
+                if (entry.Offset < data_offset || !entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 0xC;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            var input = arc.File.CreateStream (entry.Offset, entry.Size);
+            var packed = entry as PackedEntry;
+            if (null == packed || !packed.IsPacked)
+                return input;
+            using (input)
+            using (var reader = new LzssReader (input, (int)packed.Size, (int)packed.UnpackedSize))
+            {
+                reader.Unpack();
+                return new MemoryStream (reader.Data);
+            }
+        }
+
+        private void DecryptIndex (byte[] data, string key)
+        {
+            int k = 0;
+            for (int i = 0; i < data.Length; ++i)
+            {
+                data[i] += (byte)key[k++];
+                if (key.Length == k)
+                    k = 0;
+            }
+        }
+    }
+}

ArcFormats/ArcFormats.csproj

@@ -65,6 +65,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="ArcADPACK.cs" />
+    <Compile Include="ArcAdvCls.cs" />
     <Compile Include="ArcAFS.cs" />
     <Compile Include="ArcAi5Win.cs" />
     <Compile Include="ArcAil.cs" />

ArcFormats/Properties/AssemblyInfo.cs

@@ -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 ("1.0.7.72")]
-[assembly: AssemblyFileVersion ("1.0.7.72")]
+[assembly: AssemblyVersion ("1.0.7.73")]
+[assembly: AssemblyFileVersion ("1.0.7.73")]

supported.html

@@ -230,6 +230,7 @@ Angel Crown<br/>
 Jokei Kazoku ~Inbou~<br/>
 </td></tr>
 <tr><td>*.gcc</td><td><tt>G24n</tt><br/><tt>G24m</tt><br/><tt>R24n</tt><br/><tt>R24m</tt></td><td>No</td></tr>
+<tr class="odd"><td>*.arc</td><td>-</td><td>No</td><td>Tumugi</td><td>Kimi no Omoi, Sono Negai</td></tr>
 </table>
 <p><a name="note-1">[1]</a> Non-encrypted only</p>
 </body>