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(Legacy): implemented X archives and FB images.
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morkt
parent
b09a0bff43
commit
431069d27e
81
Legacy/Akatombo/ArcX.cs
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81
Legacy/Akatombo/ArcX.cs
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//! \file ArcX.cs
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//! \date 2018 Jan 25
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//! \brief Akatombo resource archive.
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//
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// Copyright (C) 2018 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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namespace GameRes.Formats.Akatombo
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{
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#if DEBUG
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[Export(typeof(ArchiveFormat))]
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#endif
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public class PakOpener : ArchiveFormat
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{
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public override string Tag { get { return "X/AKATOMBO"; } }
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public override string Description { get { return "Akatombo resource archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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int count = file.View.ReadInt16 (0);
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if (!IsSaneCount (count))
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return null;
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uint index_offset = 2;
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uint next_offset = file.View.ReadUInt32 (index_offset);
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if (next_offset != count * 4 + 6)
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return null;
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var base_name = Path.GetFileNameWithoutExtension (file.Name);
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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index_offset += 4;
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var entry = new Entry {
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Name = string.Format ("{0}#{1:D4}", base_name, i),
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Offset = next_offset,
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};
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next_offset = file.View.ReadUInt32 (index_offset);
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if (next_offset < entry.Offset)
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return null;
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entry.Size = (uint)(next_offset - entry.Offset);
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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dir.Add (entry);
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}
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foreach (var entry in dir)
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{
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uint signature = file.View.ReadUInt32 (entry.Offset);
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if ((signature & 0xFFFF) == 0x4246) // 'FB'
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entry.Type = "image";
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else
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entry.ChangeType (AutoEntry.DetectFileType (signature));
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}
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return new ArcFile (file, this, dir);
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}
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}
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}
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144
Legacy/Akatombo/ImageFB.cs
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144
Legacy/Akatombo/ImageFB.cs
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//! \file ImageFB.cs
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//! \date 2018 Jan 25
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//! \brief Akatombo compressed image format.
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//
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// Copyright (C) 2018 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Windows.Media;
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using GameRes.Utility;
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namespace GameRes.Formats.Akatombo
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{
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[Export(typeof(ImageFormat))]
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public class FbFormat : ImageFormat
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{
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public override string Tag { get { return "FB"; } }
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public override string Description { get { return "Akatombo image format"; } }
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public override uint Signature { get { return 0x184246; } }
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public override ImageMetaData ReadMetaData (IBinaryStream file)
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{
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var header = file.ReadHeader (8);
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if (!header.AsciiEqual ("FB"))
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return null;
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return new ImageMetaData {
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Width = header.ToUInt32 (4),
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Height = header.ToUInt32 (6),
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BPP = header.ToUInt16 (2),
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};
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}
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public override ImageData Read (IBinaryStream file, ImageMetaData info)
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{
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var reader = new FbReader (file, info);
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var pixels = reader.Unpack();
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return ImageData.Create (info, reader.Format, null, pixels);
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new System.NotImplementedException ("FbFormat.Write not implemented");
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}
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}
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internal class FbReader
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{
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IBinaryStream m_input;
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int m_width;
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int m_pixel_count;
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byte[] m_output;
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public PixelFormat Format { get; private set; }
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public FbReader (IBinaryStream input, ImageMetaData info)
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{
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m_input = input;
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m_width = (int)info.Width;
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m_pixel_count = m_width * (int)info.Height;
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m_output = new byte[m_pixel_count * 4];
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Format = PixelFormats.Bgr32;
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}
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uint m_bits;
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public byte[] Unpack ()
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{
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m_input.Position = 8;
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m_bits = 0x80000000;
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int dst = 0;
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for (int i = 0; i < m_pixel_count; ++i)
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{
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int bit = GetNextBit();
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if (0 == bit)
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{
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bit = GetNextBit();
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int pos = GetNextBit();
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if (bit != 0)
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pos = dst + 4 * (pos - m_width);
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else
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pos = dst + 4 * (-m_width & -pos) - 4;
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Buffer.BlockCopy (m_output, pos, m_output, dst, 4);
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}
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m_output[dst ] += ReadDiff();
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m_output[dst+1] += ReadDiff();
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m_output[dst+2] += ReadDiff();
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dst += 4;
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}
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return m_output;
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}
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byte ReadDiff ()
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{
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uint n = 1;
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do
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{
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n = Binary.RotR (n, 1);
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}
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while (GetNextBit() != 0);
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++n;
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byte bit;
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do
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{
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bit = (byte)GetNextBit();
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n = (n << 1) | bit;
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}
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while (0 == bit);
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return (byte)(-(n & 1) ^ ((n >> 1) - 1));
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}
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int GetNextBit ()
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{
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uint bit = m_bits >> 31;
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m_bits <<= 1;
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if (0 == m_bits)
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{
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m_bits = Binary.BigEndian (m_input.ReadUInt32());
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bit = m_bits >> 31;
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m_bits = (m_bits << 1) | 1;
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}
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return (int)bit;
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}
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}
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}
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