(Legacy): DZP images and PAQ archives.

Legacy/Force/ArcPAQ.cs

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+//! \file       ArcPAQ.cs
+//! \date       2018 Jul 31
+//! \brief      Force 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;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.Force
+{
+    [Export(typeof(ArchiveFormat))]
+    public class PaqOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "PAQ/FORCE"; } }
+        public override string Description { get { return "Force resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (!file.Name.HasExtension (".paq"))
+                return null;
+            int count = file.View.ReadInt32 (0);
+            if (!IsSaneCount (count))
+                return null;
+            var base_name = Path.GetFileNameWithoutExtension (file.Name);
+            uint index_offset = 8;
+            uint data_offset = 4 + (uint)count * 8;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = string.Format ("{0}#{1:D4}", base_name, i);
+                var entry = AutoEntry.Create (file, data_offset, name);
+                entry.Size = file.View.ReadUInt32 (index_offset);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 8;
+                data_offset += entry.Size;
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}

Legacy/Force/ImageDZP.cs

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+//! \file       ImageDZP.cs
+//! \date       2018 Jul 31
+//! \brief      Force 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;
+using System.Windows.Media.Imaging;
+using GameRes.Utility;
+
+// [990807][Force] Hajimete no Otsukai ~first adventure of little witch~
+
+namespace GameRes.Formats.Force
+{
+    [Export(typeof(ImageFormat))]
+    public class DzpFormat : ImageFormat
+    {
+        public override string         Tag { get { return "DZP"; } }
+        public override string Description { get { return "Force image format"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public DzpFormat ()
+        {
+            Signatures = new uint[] { 24, 8 };
+        }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            if (!file.Name.HasExtension (".dzp"))
+                return null;
+            var header = file.ReadHeader (12);
+            int bpp = header.ToInt32 (0);
+            uint width  = header.ToUInt32 (4);
+            uint height = header.ToUInt32 (8);
+            if (0 == width || width > 0x1000 || 0 == height || height > 0x1000)
+                return null;
+            return new ImageMetaData { Width = width * 4, Height = height * 4, BPP = bpp };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            file.Position = 12;
+            BitmapPalette palette = null;
+            if (8 == info.BPP)
+                palette = ReadPalette (file.AsStream);
+            int stride = (int)info.Width * (info.BPP / 8);
+            var pixels = new byte[stride * (int)info.Height];
+            PixelFormat format;
+            if (8 == info.BPP)
+            {
+                Unpack8BPP (file, pixels);
+                format = PixelFormats.Indexed8;
+            }
+            else if (24 == info.BPP)
+            {
+                Unpack24BPP (file, pixels);
+                format = PixelFormats.Bgr24;
+            }
+            else
+                throw new InvalidFormatException();
+            return ImageData.Create (info, format, palette, pixels, stride);
+        }
+
+        void Unpack8BPP (IBinaryStream input, byte[] output)
+        {
+            int dst = 0;
+            while (dst < output.Length && input.PeekByte() != -1)
+            {
+                byte v = input.ReadUInt8();
+                int count = input.ReadByte();
+                for (int i = 0; i < count; ++i)
+                    output[dst++] = v;
+            }
+        }
+
+        void Unpack24BPP (IBinaryStream input, byte[] output)
+        {
+            int dst = 0;
+            while (dst < output.Length && input.PeekByte() != -1)
+            {
+                input.Read (output, dst, 3);
+                int count = input.ReadByte();
+                if (count > 0)
+                {
+                    count *= 3;
+                    Binary.CopyOverlapped (output, dst, dst+3, count-3);
+                    dst += count;
+                }
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("DzpFormat.Write not implemented");
+        }
+    }
+}