implemented NFS archives and NGP images.

ArcFormats/ArcFormats.csproj

@@ -81,6 +81,8 @@
     <Compile Include="Gpk2\ArcGPK2.cs" />
     <Compile Include="Gpk2\ImageGFB.cs" />
     <Compile Include="MersenneTwister.cs" />
+    <Compile Include="Nags\ArcNFS.cs" />
+    <Compile Include="Nags\ImageNGP.cs" />
     <Compile Include="Palette\ArcCHR.cs" />
     <Compile Include="Palette\ArcPAK.cs" />
     <Compile Include="Palette\ImagePGA.cs" />
@@ -481,7 +483,9 @@
     </EmbeddedResource>
     <EmbeddedResource Include="Strings\arcStrings.ru-RU.resx" />
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <Folder Include="Aoi\" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PreBuildEvent>perl "$(SolutionDir)inc-revision.pl" "$(ProjectPath)" $(ConfigurationName)

ArcFormats/Nags/ArcNFS.cs

@@ -0,0 +1,89 @@
+//! \file       ArcNFS.cs
+//! \date       Sun Nov 08 15:56:33 2015
+//! \brief      NA Game System 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.Security.Cryptography;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Nags
+{
+    [Export(typeof(ArchiveFormat))]
+    public class NfsOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "NFS"; } }
+        public override string Description { get { return "NAGS 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 override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (0);
+            if (!IsSaneCount (count))
+                return null;
+
+            uint index_size = (uint)count * 0x20;
+            if (index_size > file.View.Reserve (4, (uint)index_size))
+                return null;
+            int first_offset = file.View.ReadInt32 (0x1C);
+            byte key = (byte)count;
+            first_offset ^= key | key << 8 | key << 16 | key << 24;
+            if (first_offset != 0)
+                return null;
+
+            var index = new byte[index_size];
+            file.View.Read (4, index, 0, index_size);
+            for (int i = 0; i < index.Length; ++i)
+                index[i] ^= key;
+
+            long base_offset = 4 + index_size;
+            int index_offset = 0;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = Binary.GetCString (index, index_offset, 0x18);
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = base_offset + LittleEndian.ToUInt32 (index, index_offset+0x18);
+                entry.Size   = LittleEndian.ToUInt32 (index, index_offset+0x1C);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 0x20;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            var input = arc.File.CreateStream (entry.Offset, entry.Size);
+            if (!entry.Name.EndsWith (".scb", StringComparison.InvariantCultureIgnoreCase))
+                return input;
+            return new CryptoStream (input, new NotTransform(), CryptoStreamMode.Read);
+        }
+    }
+}

ArcFormats/Nags/ImageNGP.cs

@@ -0,0 +1,98 @@
+//! \file       ImageNGP.cs
+//! \date       Sun Nov 08 16:11:56 2015
+//! \brief      NA Game System image format.
+//
+// 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 GameRes.Compression;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+
+namespace GameRes.Formats.Nags
+{
+    internal class NgpMetaData : ImageMetaData
+    {
+        public int  PackedSize;
+        public int  UnpackedSize;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class NgpFormat : ImageFormat
+    {
+        public override string         Tag { get { return "NGP"; } }
+        public override string Description { get { return "NAGS engine image format"; } }
+        public override uint     Signature { get { return 0x2050474E; } } // 'NGP '
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            stream.Position = 0x12;
+            using (var reader = new ArcView.Reader (stream))
+            {
+                int packed_size = reader.ReadInt32();
+                uint width      = reader.ReadUInt32();
+                uint height     = reader.ReadUInt32();
+                int bpp         = reader.ReadUInt16() * 8;
+                reader.BaseStream.Position = 0x100;
+                int unpacked_size = reader.ReadInt32();
+                if (packed_size <= 0 || unpacked_size <= 0)
+                    return null;
+                return new NgpMetaData
+                {
+                    Width = width,
+                    Height = height,
+                    BPP = bpp,
+                    PackedSize = packed_size,
+                    UnpackedSize = unpacked_size,
+                };
+            }
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            var meta = (NgpMetaData)info;
+            using (var input = new StreamRegion (stream, 0x104, meta.PackedSize, true))
+            using (var z = new ZLibStream (input, CompressionMode.Decompress))
+            {
+                var pixels = new byte[meta.UnpackedSize];
+                if (pixels.Length != z.Read (pixels, 0, pixels.Length))
+                    throw new EndOfStreamException();
+                PixelFormat format;
+                if (32 == meta.BPP)
+                    format = PixelFormats.Bgra32;
+                else if (24 == meta.BPP)
+                    format = PixelFormats.Bgr24;
+                else if (8 == meta.BPP)
+                    format = PixelFormats.Gray8;
+                else
+                    throw new System.NotSupportedException ("Not supported NGP image color depth");
+
+                return ImageData.Create (info, format, null, pixels);
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("NgpFormat.Write not implemented");
+        }
+    }
+}

supported.html

@@ -37,6 +37,7 @@ Natsu no Hitoshizuku<br/>
 Private Nurse<br/>
 Sensei 2<br/>
 Shoujo Settai<br/>
+Tsukushite Agechau 5<br/>
 </td></tr>
 <tr class="odd"><td>*.ggd</td><td><tt>\xB9\xAA\xB3\xB3</tt><br/><tt>\xAB\xAD\xAA\xBA</tt><br/><tt>\xB7\xB6\xB8\xB7</tt><br/><tt>\xCD\xCA\xC9\xB8</tt></td><td>Yes</td></tr>
 <tr class="odd"><td>*.gg1<br/>*.gg2<br/>*.gg3<br/>*.gg0</td><td><tt>GGA00000</tt></td><td>No</td></tr>
@@ -79,6 +80,7 @@ Yakuchu!<br/>
 <tr class="odd"><td>*.arc</td><td><tt>MajiroArcV1.000</tt><br/><tt>MajiroArcV2.000</tt><br/><tt>MajiroArcV3.000</tt></td><td>Yes</td><td rowspan="3">Majiro</td><td rowspan="3">
 Amber Quartz<br/>
 Chikan Kizoku<br/>
+Narimono<br/>
 Reconquista<br/>
 White ~blanche comme la lune~<br/>
 </td></tr>
@@ -207,6 +209,7 @@ Kunoichi Kikyou ~Gensou Kannou Emaki~<br/>
 Momo x Momi<br/>
 Michibikareshi Mono-tachi no Rakuen ~BEDLAM~<br/>
 Onsen Kankou Yukemuri Chijou<br/>
+Ryoujoku Costume Play<br/>
 </td></tr>
 <tr><td>*.pt1</td><td>-</td><td>No</td></tr>
 <tr><td>*.wa1</td><td>-</td><td>No</td></tr>
@@ -476,6 +479,10 @@ Love Fetish series<br/>
 <tr><td>*.ani</td><td>-</td><td>No</td></tr>
 <tr><td>*.cg</td><td>-</td><td>No</td></tr>
 <tr><td>*.pcm</td><td>WAV</td><td>No</td></tr>
+<tr class="odd"><td>*.nfs</td><td>-</td><td>No</td><td rowspan="2">NAGS</td><td rowspan="2">
+Trouble Trap Laboratory<br/>
+</td></tr>
+<tr class="odd"><td>*.ngp</td><td><tt>NGP</tt></td><td>No</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>