implemented SMV animation resource.

ArcFormats/ArcFormats.csproj

@@ -351,6 +351,7 @@
     <Compile Include="Tanaka\ArcARCG.cs" />
     <Compile Include="Tanaka\ArcBMX.cs" />
     <Compile Include="Tanaka\ArcMBF.cs" />
+    <Compile Include="Tanaka\ArcSMV.cs" />
     <Compile Include="Tanaka\ArcVPK.cs" />
     <Compile Include="Tanaka\ArcWRC.cs" />
     <Compile Include="Tanaka\ArcWSM.cs" />

ArcFormats/Tanaka/ArcSMV.cs

@@ -0,0 +1,132 @@
+//! \file       ArcSMV.cs
+//! \date       Wed Feb 01 09:03:04 2017
+//! \brief      Animation resource by Tanaka Tatsuhiro.
+//
+// Copyright (C) 2017 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.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace GameRes.Formats.Will
+{
+    [Export(typeof(ArchiveFormat))]
+    public class SmvOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "SMV"; } }
+        public override string Description { get { return "Tanaka Tatsuhiro's engine animation resource"; } }
+        public override uint     Signature { get { return 0x31564D53; } } // 'SMV1'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (file.View.ReadUInt32 (4) != file.MaxOffset)
+                return null;
+            int count = file.View.ReadInt32 (8);
+            if (!IsSaneCount (count))
+                return null;
+
+            uint index_offset = 0x40;
+            uint header_size = file.View.ReadUInt32 (index_offset);
+            int bpp = file.View.ReadInt32 (index_offset+0xE);
+            if (bpp != 8)
+                return null;
+            index_offset += header_size + 4;
+            var palette = ImageFormat.ReadPalette (file, index_offset);
+            index_offset += 0x400;
+            var base_name = Path.GetFileNameWithoutExtension (file.Name);
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var entry = new Entry
+                {
+                    Name = string.Format ("{0}#{1:D2}", base_name, i),
+                    Type = "image",
+                    Offset = file.View.ReadUInt32 (index_offset),
+                    Size = file.View.ReadUInt32 (index_offset+4),
+                };
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 0x10;
+            }
+            return new SmvArchive (file, this, dir, palette);
+        }
+
+        public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
+        {
+            if (!arc.File.View.AsciiEqual (entry.Offset, "TX04"))
+                throw new InvalidFormatException();
+            var smv = (SmvArchive)arc;
+            var input = arc.File.CreateStream (entry.Offset, entry.Size);
+            return new SmvFrameDecoder (input, smv.Palette);
+        }
+    }
+
+    internal class SmvFrameDecoder : BinaryImageDecoder
+    {
+        readonly BitmapPalette Palette;
+
+        public SmvFrameDecoder (IBinaryStream input, BitmapPalette palette) : base (input)
+        {
+            Palette = palette;
+        }
+
+        protected override ImageData GetImageData ()
+        {
+            m_input.Position = 4;
+            var info = new TxMetaData { BPP = 8, Colors = 0x100 };
+            this.Info = info;
+            info.Stride = m_input.ReadUInt16();
+            info.Height = m_input.ReadUInt16();
+            info.Width  = (uint)info.Stride;
+            info.DataOffset = m_input.Position;
+            var reader = new TxReader (m_input, info);
+            var pixels = reader.Unpack();
+            return ImageData.CreateFlipped (Info, PixelFormats.Indexed8, Palette, pixels, info.Stride);
+        }
+
+        public static void BlendFrames (byte[] key_frame, byte[] overlay)
+        {
+            for (int i = 0; i < overlay.Length; ++i)
+            {
+                if (0xFF != overlay[i])
+                    key_frame[i] = overlay[i];
+            }
+        }
+    }
+
+    internal class SmvArchive : ArcFile
+    {
+        public readonly BitmapPalette   Palette;
+
+        public SmvArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, BitmapPalette palette)
+            : base (arc, impl, dir)
+        {
+            Palette = palette;
+        }
+    }
+}