(Legacy): AsuraPak archives and MTG images.

Legacy/Asura/ArcPAK.cs

@@ -0,0 +1,82 @@
+//! \file       ArcPAK.cs
+//! \date       2018 Nov 11
+//! \brief      Asura engine resource archive.
+//
+// Copyright (C) 2018 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.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using GameRes.Compression;
+
+namespace GameRes.Formats.Asura
+{
+    [Export(typeof(ArchiveFormat))]
+    public class PakOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "PAK/ASURA"; } }
+        public override string Description { get { return "Asura engine resource archive"; } }
+        public override uint     Signature { get { return 0x72757341; } } // 'AsuraPak'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public PakOpener ()
+        {
+            Extensions = new[] { "dat" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (!file.View.AsciiEqual (4, "aPak"))
+                return null;
+            int count = file.View.ReadInt32 (8);
+            if (!IsSaneCount (count))
+                return null;
+
+            uint index_offset = 12;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = file.View.ReadString (index_offset, 0x100);
+                var entry = Create<PackedEntry> (name);
+                entry.Offset = file.View.ReadUInt32 (index_offset+0x100);
+                entry.UnpackedSize = file.View.ReadUInt32 (index_offset+0x104);
+                entry.Size = file.View.ReadUInt32 (index_offset+0x108);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                entry.IsPacked = entry.Size != entry.UnpackedSize;
+                dir.Add (entry);
+                index_offset += 0x10C;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            var pent = entry as PackedEntry;
+            if (null == pent || !pent.IsPacked)
+                return base.OpenEntry (arc, entry);
+            var input = arc.File.CreateStream (entry.Offset, entry.Size);
+            return new LzssStream (input);
+        }
+    }
+}

Legacy/Asura/ImageMTG.cs

@@ -0,0 +1,91 @@
+//! \file       ImageMTG.cs
+//! \date       2018 Nov 11
+//! \brief      Asura engine image format.
+//
+// Copyright (C) 2018 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.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+
+namespace GameRes.Formats.Asura
+{
+    internal class MtgMetaData : ImageMetaData
+    {
+        public int  DataLength;
+        public bool HasAlpha;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class MtgFormat : ImageFormat
+    {
+        public override string         Tag { get { return "MTG"; } }
+        public override string Description { get { return "Asura engine image format"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            if (!file.Name.HasExtension (".mtg"))
+                return null;
+            var header = file.ReadHeader (0x10);
+            int data_length = header.ToInt32 (8);
+            if (data_length <= 0 || data_length > file.Length)
+                return null;
+            int has_alpha = header.ToInt32 (0xC);
+            if (has_alpha != 0 && has_alpha != 1)
+                return null;
+            return new MtgMetaData {
+                Width  = header.ToUInt32 (0),
+                Height = header.ToUInt32 (4),
+                BPP    = 24,
+                DataLength = data_length,
+                HasAlpha = has_alpha != 0,
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (MtgMetaData)info;
+            file.Position = 0x10;
+            var pixels = file.ReadBytes (meta.DataLength);
+            if (!meta.HasAlpha)
+                return ImageData.Create (info, PixelFormats.Bgr24, null, pixels);
+            var alpha = file.ReadBytes ((int)info.Width * (int)info.Height);
+            var output = new byte[4 * alpha.Length];
+            int psrc = 0;
+            int asrc = 0;
+            for (int dst = 0; dst < output.Length; dst += 4)
+            {
+                output[dst  ] = pixels[psrc++];
+                output[dst+1] = pixels[psrc++];
+                output[dst+2] = pixels[psrc++];
+                output[dst+3] = alpha[asrc++];
+            }
+            return ImageData.Create (info, PixelFormats.Bgra32, null, output);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("MtgFormat.Write not implemented");
+        }
+    }
+}

Legacy/Legacy.csproj

@@ -75,6 +75,8 @@
     <Compile Include="Aquarium\ArcCPA.cs" />
     <Compile Include="Aquarium\ImageCP2.cs" />
     <Compile Include="Ark\ImageCMP.cs" />
+    <Compile Include="Asura\ArcPAK.cs" />
+    <Compile Include="Asura\ImageMTG.cs" />
     <Compile Include="Brownie\ImageNGC.cs" />
     <Compile Include="Brownie\ImageNGW.cs" />
     <Compile Include="DigitalMonkey\ArcDM.cs" />
@@ -90,6 +92,7 @@
     <Compile Include="Melonpan\ArcTTD.cs" />
     <Compile Include="Mmfass\ArcSDA.cs" />
     <Compile Include="PenguinWorks\ArcPAC.cs" />
+    <Compile Include="Powerd\ImageNCL.cs" />
     <Compile Include="ProjectMyu\ImageGAM.cs" />
     <Compile Include="RSystem\ArcRAD.cs" />
     <Compile Include="RSystem\ImageRSG.cs" />