implemented YKC archives and YKG images.

ArcFormats/ArcFormats.csproj

@@ -128,6 +128,7 @@
     <Compile Include="ArcSAF.cs" />
     <Compile Include="ArcVPK.cs" />
     <Compile Include="ArcXuse.cs" />
+    <Compile Include="ArcYKC.cs" />
     <Compile Include="AudioVAW.cs" />
     <Compile Include="AudioWPN.cs" />
     <Compile Include="AudioWWA.cs" />
@@ -135,6 +136,7 @@
     <Compile Include="ImageABM.cs" />
     <Compile Include="ImageDWQ.cs" />
     <Compile Include="ImageHIZ.cs" />
+    <Compile Include="ImageYKG.cs" />
     <Compile Include="MioDecoder.cs" />
     <Compile Include="WidgetRCT.xaml.cs">
       <DependentUpon>WidgetRCT.xaml</DependentUpon>

ArcFormats/ArcYKC.cs

@@ -0,0 +1,84 @@
+//! \file       ArcYKC.cs
+//! \date       Thu Aug 13 21:52:01 2015
+//! \brief      Yuka engine resource archives.
+//
+// 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.Linq;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Yuka
+{
+    internal class YukaEntry : Entry
+    {
+        public uint NameOffset;
+        public uint NameLength;
+    }
+
+    [Export(typeof(ArchiveFormat))]
+    public class YkcOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "YKC"; } }
+        public override string Description { get { return "Yuka engine resource archive"; } }
+        public override uint     Signature { get { return 0x30434B59; } } // 'YKC0'
+        public override bool  IsHierarchic { get { return true; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (0x3130 != file.View.ReadUInt32 (4))
+                return null;
+            uint index_offset = file.View.ReadUInt32 (0x10);
+            uint index_length = file.View.ReadUInt32 (0x14);
+            int count = (int)(index_length / 0x14);
+            if (index_offset >= file.MaxOffset || !IsSaneCount (count))
+                return null;
+            if (index_length > file.View.Reserve (index_offset, index_length))
+                return null;
+
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var entry = new YukaEntry();
+                entry.NameOffset = file.View.ReadUInt32 (index_offset);
+                entry.NameLength = file.View.ReadUInt32 (index_offset+4);
+                entry.Offset = file.View.ReadUInt32 (index_offset+8);
+                entry.Size   = file.View.ReadUInt32 (index_offset+0xC);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 0x14;
+            }
+            // read in two cycles to avoid memory mapped file page switching when accessing names
+            foreach (var entry in dir.Cast<YukaEntry>())
+            {
+                entry.Name = file.View.ReadString (entry.NameOffset, entry.NameLength);
+                entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}

ArcFormats/ImageYKG.cs

@@ -0,0 +1,135 @@
+//! \file       ImageYKG.cs
+//! \date       Thu Aug 13 22:16:30 2015
+//! \brief      Yuka engine images implementation.
+//
+// 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.ComponentModel.Composition;
+using System.IO;
+using System.Linq;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Yuka
+{
+    internal class YkgMetaData : ImageMetaData
+    {
+        public uint     DataOffset;
+        public uint     DataSize;
+        public YkgImage Format;
+    }
+
+    internal enum YkgImage
+    {
+        Bmp, Png, Gnp,
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class YkgFormat : ImageFormat
+    {
+        public override string         Tag { get { return "YKG"; } }
+        public override string Description { get { return "Yuka engine image format"; } }
+        public override uint     Signature { get { return 0x30474B59; } } // 'YKG0'
+
+        static readonly byte[] PngPrefix = new byte[4] { 0x89, 'P'^0, 'N'^0, 'G'^0 };
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            var header = new byte[0x40];
+            if (header.Length != stream.Read (header, 0, header.Length))
+                return null;
+            if (!Binary.AsciiEqual (header, 4, "00\0\0"))
+                return null;
+            var ykg = new YkgMetaData {
+                DataOffset = LittleEndian.ToUInt32 (header, 0x28),
+                DataSize   = LittleEndian.ToUInt32 (header, 0x2C)
+            };
+            if (ykg.DataOffset < 0x30)
+                return null;
+            ImageMetaData info = null;
+            using (var img = new StreamRegion (stream, ykg.DataOffset, ykg.DataSize, true))
+            {
+                if (4 != img.Read (header, 0, 4))
+                    return null;
+                if (Binary.AsciiEqual (header, "BM"))
+                {
+                    img.Position = 0;
+                    info = ImageFormat.Bmp.ReadMetaData (img);
+                    ykg.Format = YkgImage.Bmp;
+                }
+                else if (Binary.AsciiEqual (header, "\x89PNG"))
+                {
+                    img.Position = 0;
+                    info = Png.ReadMetaData (img);
+                    ykg.Format = YkgImage.Png;
+                }
+                else if (Binary.AsciiEqual (header, "\x89GNP"))
+                {
+                    using (var body = new StreamRegion (stream, ykg.DataOffset+4, ykg.DataSize-4, true))
+                    using (var png = new PrefixStream (PngPrefix, body))
+                        info = Png.ReadMetaData (png);
+                    ykg.Format = YkgImage.Gnp;
+                }
+                else
+                {
+                    return null;
+                }
+            }
+            if (null == info)
+                return null;
+            ykg.Width = info.Width;
+            ykg.Height = info.Height;
+            ykg.BPP = info.BPP;
+            ykg.OffsetX = info.OffsetX;
+            ykg.OffsetY = info.OffsetY;
+            return ykg;
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            var meta = info as YkgMetaData;
+            if (null == meta)
+                throw new ArgumentException ("YkgFormat.Read should be supplied with YkgMetaData", "info");
+
+            switch (meta.Format)
+            {
+            case YkgImage.Bmp:
+                using (var bmp = new StreamRegion (stream, meta.DataOffset, meta.DataSize, true))
+                    return Bmp.Read (bmp, info);
+            case YkgImage.Png:
+                using (var png = new StreamRegion (stream, meta.DataOffset, meta.DataSize, true))
+                    return Png.Read (png, info);
+            case YkgImage.Gnp:
+                using (var body = new StreamRegion (stream, meta.DataOffset+4, meta.DataSize-4, true))
+                using (var png = new PrefixStream (PngPrefix, body))
+                    return Png.Read (png, info);
+            default:
+                throw new InvalidFormatException();
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("YkgFormat.Write not implemented");
+        }
+    }
+}

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 ("1.1.9.91")]
+[assembly: AssemblyVersion ("1.1.9.92")]
-[assembly: AssemblyFileVersion ("1.1.9.91")]
+[assembly: AssemblyFileVersion ("1.1.9.92")]

supported.html

@@ -322,6 +322,10 @@ Answer Dead<br/>
 <tr><td>*.arc<br/>*.xarc<br/>*.bin</td><td><tt>MIKO</tt><br/><tt>KOTORI</tt></td><td>No</td><td>Xuse<br/>ETERNAL</td><td>
 Kikouyoku Senki Gin no Toki no Corona<br/>
 </td></tr>
+<tr class="odd"><td>*.ykc</td><td><tt>YKC001</tt></td><td>No</td><td rowspan="2">Yuka</td><td rowspan="2">
+SuGirly Wish<br/>
+</td></tr>
+<tr class="odd"><td>*.ykg</td><td><tt>YKG000</tt></td><td>No</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>