implemented WAG 'IAF_' archives.

ArcFormats/ArcFormats.csproj

@@ -77,6 +77,7 @@
     <Compile Include="Cri\ImageXTX.cs" />
     <Compile Include="Entis\ErisaMatrix.cs" />
     <Compile Include="Hexenhaus\ArcARCC.cs" />
+    <Compile Include="Hexenhaus\ArcWAG.cs" />
     <Compile Include="ImageLZ.cs" />
     <Compile Include="KiriKiri\ChainReactionCrypt.cs" />
     <Compile Include="MnoViolet\ImageDIF.cs" />

ArcFormats/Hexenhaus/ArcWAG.cs

@@ -0,0 +1,186 @@
+//! \file       ArcWAG.cs
+//! \date       Sun Mar 13 23:35:58 2016
+//! \brief      Hexenhaus 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.Diagnostics;
+using System.IO;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Hexenhaus
+{
+    [Export(typeof(ArchiveFormat))]
+    public class WagOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "WAG/IAF"; } }
+        public override string Description { get { return "Hexenhaus resource archive"; } }
+        public override uint     Signature { get { return 0x5F464149; } } // 'IAF_'
+        public override bool  IsHierarchic { get { return true; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public WagOpener ()
+        {
+            Extensions = new string[] { "wag" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int type = file.View.ReadUInt16 (4);
+            int count = file.View.ReadInt32 (6);
+            if (!IsSaneCount (count))
+                return null;
+
+            using (var enc = file.CreateStream())
+            using (var dec = new EncryptedStream (enc))
+            using (var index = new BinaryReader (dec))
+            {
+                dec.Position = 0x4A;
+                var offsets = new uint[count];
+                for (int i = 0; i < count; ++i)
+                {
+                    offsets[i] = index.ReadUInt32();
+                }
+                var name_buffer = new byte[0x100];
+                var dir = new List<Entry> (count);
+                for (int i = 0; i < count; ++i)
+                {
+                    index.BaseStream.Position = offsets[i];
+                    uint signature = index.ReadUInt32();
+                    if (signature != 0x41544144) // 'DATA'
+                        continue;
+                    int section_count = index.ReadInt32();
+                    index.ReadInt16();
+                    var entry = new Entry { Offset = offsets[i] };
+                    for (int s = 0; s < section_count; ++s)
+                    {
+                        signature = index.ReadUInt32();
+                        if (0x44474D49 == signature) // 'IMGD'
+                        {
+                            entry.Offset = index.BaseStream.Position - 4;
+                            uint imgd_size = index.ReadUInt32();
+                            entry.Size = imgd_size + 0x10;
+                            index.BaseStream.Seek (imgd_size + 2, SeekOrigin.Current);
+                        }
+                        else if (0x454E4E46 == signature) // 'FNNE'
+                        {
+                            int name_length = index.ReadInt32()-2;
+                            index.ReadInt16();
+                            if (name_length > name_buffer.Length)
+                                name_buffer = new byte[name_length];
+                            index.Read (name_buffer, 0, name_length);
+                            entry.Name = Encodings.cp932.GetString (name_buffer, 0, name_length);
+                            entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
+                            index.ReadInt16();
+                        }
+                        else
+                        {
+                            var section_size = index.ReadUInt32();
+                            // section not supported, skip
+                            index.BaseStream.Seek (section_size+2, SeekOrigin.Current);
+                            if (0x415A4F4D != signature) // 'MOZA'
+                                Trace.WriteLine (string.Format ("Unknown section 0x{0:X8}", signature), "[WAG/IAF]");
+                        }
+                    }
+                    if (entry.Size > 0 && !string.IsNullOrEmpty (entry.Name))
+                        dir.Add (entry);
+                }
+                if (0 == dir.Count)
+                    return null;
+                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 EncryptedStream (input);
+        }
+    }
+
+    internal class EncryptedStream : ProxyStream
+    {
+        public EncryptedStream (Stream input, bool leave_open = false)
+            : base (input, leave_open)
+        {
+        }
+
+        public override int Read (byte[] buffer, int offset, int count)
+        {
+            int read = BaseStream.Read (buffer, offset, count);
+            for (int i = 0; i < read; ++i)
+                buffer[offset+i] = Binary.RotByteR (buffer[offset+i], 4);
+            return read;
+        }
+
+        public override int ReadByte ()
+        {
+            int b = BaseStream.ReadByte();
+            if (b != -1)
+                b = Binary.RotByteR ((byte)b, 4);
+            return b;
+        }
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class ImgdFormat : PngFormat
+    {
+        public override string         Tag { get { return "IMGD/WAG"; } }
+        public override string Description { get { return "WAG archive PNG image"; } }
+        public override uint     Signature { get { return 0x44474D49; } } // 'IMGD'
+
+        public ImgdFormat ()
+        {
+            Extensions = new string[] { "png" };
+        }
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            ImageMetaData info;
+            using (var png = new StreamRegion (stream, 0x10, true))
+                info = base.ReadMetaData (png);
+            stream.Seek (-14, SeekOrigin.End);
+            var cntr = new byte[12];
+            stream.Read (cntr, 0, 12);
+            if (Binary.AsciiEqual (cntr, "CNTR"))
+            {
+                info.OffsetX = LittleEndian.ToInt32 (cntr, 4);
+                info.OffsetY = LittleEndian.ToInt32 (cntr, 8);
+            }
+            return info;
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            using (var png = new StreamRegion (stream, 0x10, true))
+                return base.Read (png, info);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("ImgdFormat.Write not implemented");
+        }
+    }
+}

supported.html

@@ -736,6 +736,10 @@ Thanatos no Koi ~In Ane Otouto Soukan~<br/>
 Shihen 69 ~Shinen no Messiah~<br/>
 </td></tr>
 <tr><td>*.voi</td><td>-</td><td>No</td></tr>
+<tr class="odd"><td>*.wag</td><td><tt>IAF_</tt></td><td>No</td><td rowspan="2">Hexenhaus</td><td rowspan="2">
+Angenehm Platz -Kleiner Garten Sie Erstellen-<br/>
+<tr><td>*.arc</td><td><tt>ARCC</tt></td><td>No</td></tr>
+</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>