implemented Majiro archives and auxiliary image formats.

ArcFormats/ArcFormats.csproj

@@ -56,6 +56,7 @@
   <ItemGroup>
     <Compile Include="ArcAMI.cs" />
     <Compile Include="ArcINT.cs" />
+    <Compile Include="ArcMajiro.cs" />
     <Compile Include="ArcNPA.cs" />
     <Compile Include="ArcNSA.cs" />
     <Compile Include="ArcSteinsGate.cs" />
@@ -63,6 +64,9 @@
     <Compile Include="ArcXP3.cs" />
     <Compile Include="ArcYPF.cs" />
     <Compile Include="Blowfish.cs" />
+    <Compile Include="CreateAMIWidget.xaml.cs">
+      <DependentUpon>CreateAMIWidget.xaml</DependentUpon>
+    </Compile>
     <Compile Include="CreateONSWidget.xaml.cs">
       <DependentUpon>CreateONSWidget.xaml</DependentUpon>
     </Compile>
@@ -73,6 +77,7 @@
       <DependentUpon>CreateXP3Widget.xaml</DependentUpon>
     </Compile>
     <Compile Include="ImageHG3.cs" />
+    <Compile Include="ImageRCT.cs" />
     <Compile Include="ImageTLG.cs" />
     <Compile Include="ImageWCG.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -125,6 +130,10 @@
     </None>
   </ItemGroup>
   <ItemGroup>
+    <Page Include="CreateAMIWidget.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="CreateONSWidget.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>

ArcFormats/ArcMajiro.cs

@@ -0,0 +1,123 @@
+//! \file       ArcMajiro.cs
+//! \date       Thu Jul 31 20:27:26 2014
+//! \brief      Majiro engine resource archive.
+//
+// Copyright (C) 2014 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.IO;
+using System.Linq;
+using System.Text;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+
+namespace GameRes.Formats.Majiro
+{
+    internal class MajiroEntry : Entry
+    {
+        public bool IsEncrypted { get; set; }
+    }
+
+    internal class MajiroArchive : ArcFile
+    {
+        public uint Key { get; private set; }
+
+        public MajiroArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, uint key)
+            : base (arc, impl, dir)
+        {
+            Key = key;
+        }
+    }
+
+    public class MajiroOptions : ResourceOptions
+    {
+        public uint Key { get; set; }
+    }
+
+    [Export(typeof(ArchiveFormat))]
+    public class ArcOpener : ArchiveFormat
+    {
+        public override string Tag { get { return "MAJIRO"; } }
+        public override string Description { get { return "Majiro game engine resource archive"; } }
+        public override uint Signature { get { return 0x696a614d; } }
+        public override bool IsHierarchic { get { return false; } }
+
+        public ArcOpener ()
+        {
+            Extensions = new string[] { "arc" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            byte[] header = new byte[16];
+            file.View.Read (0, header, 0, 16);
+            var char_header = header.Select (b => Convert.ToChar (b));
+            int version;
+            if (char_header.SequenceEqual ("MajiroArcV1.000\0"))
+                version = 1;
+//            else if (char_header.SequenceEqual ("MajiroArcV2.000\0"))
+//                version = 2;
+            else
+                return null;
+            int count = file.View.ReadInt32 (16);
+            uint names_offset = file.View.ReadUInt32 (20);
+            uint data_offset = file.View.ReadUInt32 (24);
+            if (data_offset <= names_offset || count > 0xfffff || count < 0
+                || data_offset >= file.MaxOffset)
+                return null;
+            int table_size = count + (1 == version ? 1 : 0);
+            table_size *= 4 * (version+1);
+            if (table_size + 0x1c != names_offset)
+                return null;
+            int names_size = (int)(data_offset - names_offset);
+            var names = new byte[names_size];
+            file.View.Read (names_offset, names, 0, (uint)names_size);
+            int names_pos = 0;
+            uint table_pos = 0x1c;
+            file.View.Reserve (0, data_offset);
+            uint offset_next = file.View.ReadUInt32 (table_pos+4);
+
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var zero = Array.IndexOf (names, (byte)0, names_pos, names_size);
+                if (-1 == zero)
+                    break;
+                int name_len = zero-names_pos;
+                string name = Encodings.cp932.GetString (names, names_pos, name_len);
+                names_size -= name_len+1;
+                names_pos = zero+1;
+                uint offset = offset_next;
+                offset_next = file.View.ReadUInt32 (table_pos + 12);
+                var entry = FormatCatalog.Instance.CreateEntry (name);
+                entry.Offset = offset;
+                entry.Size   = offset_next >= offset ? offset_next - offset : 0;
+                table_pos += 8;
+                if (entry.CheckPlacement (file.MaxOffset))
+                    dir.Add (entry);
+            }
+            if (!dir.Any())
+                return null;
+            return new ArcFile (file, this, dir);
+        }
+    }
+}

ArcFormats/ImageRCT.cs

@@ -0,0 +1,403 @@
+//! \file       ImageRCT.cs
+//! \date       Fri Aug 01 11:36:31 2014
+//! \brief      RCT/RC8 image format implementation.
+//
+// Copyright (C) 2014 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.IO;
+using System.Text;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Diagnostics;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using GameRes.Formats.Strings;
+
+namespace GameRes.Formats.Majiro
+{
+    internal class RctMetaData : ImageMetaData
+    {
+        public int  Version;
+        public bool IsEncrypted;
+        public uint DataOffset;
+        public uint DataSize;
+        public uint AddSize;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class RctFormat : ImageFormat
+    {
+        public override string Tag { get { return "RCT"; } }
+        public override string Description { get { return "Majiro game engine RGB image format"; } }
+        public override uint Signature { get { return 0x9a925a98; } }
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            stream.Position = 4;
+            int id = stream.ReadByte();
+            if (0x54 != id)
+                return null;
+            int encryption = stream.ReadByte();
+            if (encryption != 0x43 && encryption != 0x53)
+                return null;
+            bool is_encrypted = 0x53 == encryption;
+            int version = stream.ReadByte();
+            if (0x30 != version)
+                return null;
+            version = stream.ReadByte() - 0x30;
+            if (version != 0 && version != 1)
+                return null;
+
+            using (var reader = new BinaryReader (stream, Encoding.ASCII, true))
+            {
+                uint width = reader.ReadUInt32();
+                uint height = reader.ReadUInt32();
+                uint data_size = reader.ReadUInt32();
+                uint additional_size = 0;
+                if (1 == version)
+                {
+                    additional_size = reader.ReadUInt16();
+                }
+                if (width > 0x8000 || height > 0x8000)
+                    return null;
+
+                return new RctMetaData
+                {
+                    Width   = width,
+                    Height  = height,
+                    OffsetX = 0,
+                    OffsetY = 0,
+                    BPP     = 24,
+                    Version = version,
+                    IsEncrypted = is_encrypted,
+                    DataOffset = (uint)stream.Position,
+                    DataSize = data_size,
+                    AddSize = additional_size,
+                };
+            }
+        }
+
+        public override ImageData Read (Stream file, ImageMetaData info)
+        {
+            var meta = info as RctMetaData;
+            if (null == meta)
+                throw new ArgumentException ("RctFormat.Read should be supplied with RctMetaData", "info");
+            if (meta.AddSize > 0)
+            {
+                Trace.WriteLine (string.Format ("{0} bytes of additional data", meta.AddSize), "RctFormat.Read");
+                file.Position = meta.DataOffset;
+                byte[] data = new byte[meta.AddSize];
+                if (data.Length != file.Read (data, 0, data.Length))
+                    return null;
+            }
+            file.Position = meta.DataOffset + meta.AddSize;
+            if (meta.IsEncrypted)
+            {
+                throw new NotImplementedException ("RCT image decryption is not implemented");
+            }
+            using (var reader = new Reader (file, meta))
+            {
+                reader.Unpack();
+                byte[] pixels = reader.Data;
+                var bitmap = BitmapSource.Create ((int)meta.Width, (int)meta.Height, 96, 96,
+                    PixelFormats.Bgr24, null, pixels, (int)meta.Width*3);
+                bitmap.Freeze();
+                return new ImageData (bitmap, meta);
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new NotImplementedException ("RctFormat.Write is not implemented.");
+        }
+
+        internal class Reader : IDisposable
+        {
+            private BinaryReader    m_input;
+            private uint            m_width;
+            private byte[]          m_data;
+
+            public byte[] Data { get { return m_data; } }
+
+            public Reader (Stream file, RctMetaData info)
+            {
+                m_width = info.Width;
+                m_data = new byte[m_width * info.Height * 3];
+                m_input = new BinaryReader (file, Encoding.ASCII, true);
+            }
+
+            private static readonly sbyte[] ShiftTable = new sbyte[] {
+                -16, -32, -48, -64, -80, -96,
+                49, 33, 17, 1, -15, -31, -47,
+                50, 34, 18, 2, -14, -30, -46,
+                51, 35, 19, 3, -13, -29, -45,
+                36, 20, 4, -12, -28,
+            };
+
+            public void Unpack ()
+            {
+                int pixels_remaining = m_data.Length;
+                int data_pos = 0;
+                int eax = 0;
+                while (pixels_remaining > 0)
+                {
+                    int count = eax*3 + 3;
+                    if (count > pixels_remaining)
+                        throw new InvalidFormatException();
+                    pixels_remaining -= count;
+                    if (count != m_input.Read (m_data, data_pos, count))
+                        throw new InvalidFormatException();
+                    data_pos += count;
+
+                    while (pixels_remaining > 0)
+                    {
+                        eax = m_input.ReadByte();
+                        if (0 == (eax & 0x80))
+                        {
+                            if (0x7f == eax)
+                                eax += m_input.ReadUInt16();
+                            break;
+                        }
+                        int shift_index = eax >> 2;
+                        eax &= 3;
+                        if (3 == eax)
+                            eax += m_input.ReadUInt16();
+
+                        count = eax*3 + 3;
+                        if (pixels_remaining < count)
+                            throw new InvalidFormatException();
+                        pixels_remaining -= count;
+                        int shift = ShiftTable[shift_index & 0x1f];
+                        int shift_row = shift & 0x0f;
+                        shift >>= 4;
+                        shift_row *= (int)m_width;
+                        shift -= shift_row;
+                        shift *= 3;
+                        if (shift >= 0 || data_pos+shift < 0)
+                            throw new InvalidFormatException();
+                        CopyOverlapped (m_data, data_pos+shift, data_pos, count);
+                        data_pos += count;
+                    }
+                }
+            }
+
+            static internal void CopyOverlapped (byte[] data, int src, int dst, int count)
+            {
+                int preceding = dst-src;
+                while (count > 0)
+                {
+                    if (preceding > count)
+                        preceding = count;
+                    Array.Copy (data, src, data, dst, preceding);
+                    src = dst;
+                    dst += preceding;
+                    count -= preceding;
+                }
+            }
+
+            #region IDisposable Members
+            bool disposed = false;
+
+            public void Dispose ()
+            {
+                Dispose (true);
+                GC.SuppressFinalize (this);
+            }
+
+            protected virtual void Dispose (bool disposing)
+            {
+                if (!disposed)
+                {
+                    if (disposing)
+                        m_input.Dispose();
+                    m_input = null;
+                    m_data = null;
+                    disposed = true;
+                }
+            }
+            #endregion
+        }
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class Rc8Format : ImageFormat
+    {
+        public override string Tag { get { return "RC8"; } }
+        public override string Description { get { return "Majiro game engine indexed image format"; } }
+        public override uint Signature { get { return 0x9a925a98; } }
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            stream.Position = 4;
+            int id = stream.ReadByte();
+            if (0x38 != id)
+                return null;
+            id = stream.ReadByte();
+            if (0x5f != id)
+                return null;
+            int version = stream.ReadByte();
+            if (0x30 != version)
+                return null;
+            version = stream.ReadByte() - 0x30;
+            if (version != 0)
+                return null;
+
+            using (var reader = new BinaryReader (stream, Encoding.ASCII, true))
+            {
+                uint width = reader.ReadUInt32();
+                uint height = reader.ReadUInt32();
+                if (width > 0x8000 || height > 0x8000)
+                    return null;
+                return new ImageMetaData
+                {
+                    Width   = width,
+                    Height  = height,
+                    OffsetX = 0,
+                    OffsetY = 0,
+                    BPP     = 8,
+                };
+            }
+        }
+
+        public override ImageData Read (Stream file, ImageMetaData info)
+        {
+            file.Position = 0x14;
+            using (var reader = new Reader (file, info))
+            {
+                reader.Unpack();
+                byte[] pixels = reader.Data;
+                var palette = new BitmapPalette (reader.Palette);
+                var bitmap = BitmapSource.Create ((int)info.Width, (int)info.Height, 96, 96,
+                    PixelFormats.Indexed8, palette, pixels, (int)info.Width);
+                bitmap.Freeze();
+                return new ImageData (bitmap, info);
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new NotImplementedException ("Rc8Format.Write is not implemented.");
+        }
+
+        internal class Reader : IDisposable
+        {
+            private BinaryReader    m_input;
+            private uint            m_width;
+            private Color[]         m_palette;
+            private byte[]          m_data;
+
+            public Color[] Palette { get { return m_palette; } }
+            public byte[]     Data { get { return m_data; } }
+
+            public Reader (Stream file, ImageMetaData info)
+            {
+                m_width = info.Width;
+                var palette_data = new byte[0x300];
+                if (palette_data.Length != file.Read (palette_data, 0, palette_data.Length))
+                    throw new InvalidFormatException();
+                m_palette = new Color[0x100];
+                for (int i = 0; i < 0x100; ++i)
+                {
+                    m_palette[i] = Color.FromRgb (palette_data[i*3], palette_data[i*3+1], palette_data[i*3+2]);
+                }
+                m_data = new byte[m_width * info.Height];
+                m_input = new BinaryReader (file, Encoding.ASCII, true);
+            }
+
+            private static readonly sbyte[] ShiftTable = new sbyte[] {
+                -16, -32, -48, -64,
+                49, 33, 17, 1, -15, -31, -47,
+                34, 18, 2, -14, -30,
+            };
+
+            public void Unpack ()
+            {
+                int data_pos = 0;
+                int eax = 0;
+                int pixels_remaining = m_data.Length;
+                while (pixels_remaining > 0)
+                {
+                    int count = eax + 1;
+                    if (count > pixels_remaining)
+                        throw new InvalidFormatException();
+                    pixels_remaining -= count;
+
+                    if (count != m_input.Read (m_data, data_pos, count))
+                        throw new InvalidFormatException();
+                    data_pos += count;
+
+                    while (pixels_remaining > 0)
+                    {
+                        eax = m_input.ReadByte();
+                        if (0 == (eax & 0x80))
+                        {
+                            if (0x7f == eax)
+                                eax += m_input.ReadUInt16();
+                            break;
+                        }
+                        int shift_index = eax >> 3;
+                        eax &= 7;
+                        if (7 == eax)
+                            eax += m_input.ReadUInt16();
+
+                        count = eax + 3;
+                        if (pixels_remaining < count)
+                            throw new InvalidFormatException();
+                        pixels_remaining -= count;
+                        int shift = ShiftTable[shift_index & 0x0f];
+                        int shift_row = shift & 0x0f;
+                        shift >>= 4;
+                        shift_row *= (int)m_width;
+                        shift -= shift_row;
+                        if (shift >= 0 || data_pos+shift < 0)
+                            throw new InvalidFormatException();
+                        RctFormat.Reader.CopyOverlapped (m_data, data_pos+shift, data_pos, count);
+                        data_pos += count;
+                    }
+                }
+            }
+
+            #region IDisposable Members
+            bool disposed = false;
+
+            public void Dispose ()
+            {
+                Dispose (true);
+                GC.SuppressFinalize (this);
+            }
+
+            protected virtual void Dispose (bool disposing)
+            {
+                if (!disposed)
+                {
+                    if (disposing)
+                        m_input.Dispose();
+                    m_input = null;
+                    m_data = null;
+                    disposed = true;
+                }
+            }
+            #endregion
+        }
+    }
+}