mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-24 03:44:13 +08:00
1b585ea30e
(PICT): fixed 16bpp images. (GDT): added image format. (DXR): tweaks to recognizing DXR inside exe files. (NSA): recognize mp3 files named as nsa. (TLZ): added ContainedFormats. (WrapSingleFileAchive): class that represents single file as an archive. (DesertCgOPener): Software House Parsley archive. (Triangle.RleReader): utilize UnpackV2, replaced BinaryReader with IBinaryStream.
641 lines
22 KiB
C#
641 lines
22 KiB
C#
//! \file ArcNSA.cs
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//! \date Sun Jul 27 11:25:46 2014
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//! \brief NScripter NSA archives implementation.
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//
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// Copyright (C) 2014-2015 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.IO;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.Text;
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using GameRes.Formats.Strings;
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using GameRes.Utility;
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using ICSharpCode.SharpZipLib.BZip2;
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namespace GameRes.Formats.NScripter
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{
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public class NsaEntry : PackedEntry
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{
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public Compression CompressionType { get; set; }
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}
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internal class NsaEncryptedArchive : ArcFile
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{
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public readonly byte[] Key;
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public NsaEncryptedArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, byte[] key)
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: base (arc, impl, dir)
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{
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Key = key;
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}
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}
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public class NsaOptions : ResourceOptions
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{
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public Compression CompressionType { get; set; }
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public string Password { get; set; }
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}
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[Serializable]
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public class NsaScheme : ResourceScheme
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{
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public Dictionary<string, string> KnownKeys;
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}
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public enum Compression
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{
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Unknown = 256,
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None = 0,
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SPB = 1,
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LZSS = 2,
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NBZ = 4,
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}
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[Export(typeof(ArchiveFormat))]
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public class NsaOpener : SarOpener
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{
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public override string Tag { get { return "NSA"; } }
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public NsaOpener ()
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{
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Extensions = new string[] { "nsa", "dat" };
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}
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public static Dictionary<string, string> KnownKeys = new Dictionary<string, string>();
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public override ResourceScheme Scheme
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{
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get { return new NsaScheme { KnownKeys = KnownKeys }; }
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set { KnownKeys = ((NsaScheme)value).KnownKeys; }
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}
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public override ArcFile TryOpen (ArcView file)
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{
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List<Entry> dir = null;
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bool zero_signature = 0 == file.View.ReadInt16 (0);
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try
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{
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using (var input = file.CreateStream())
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{
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if (zero_signature)
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input.Seek (2, SeekOrigin.Begin);
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dir = ReadIndex (input);
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if (null != dir)
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return new ArcFile (file, this, dir);
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}
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}
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catch { /* ignore parse errors */ }
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if (zero_signature || !file.Name.HasExtension (".nsa"))
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return null;
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uint signature = file.View.ReadUInt32 (0);
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if ((signature & 0xFFFFFF) == 0x90FBFF) // looks like mp3 file
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return new WrapSingleFileArchive (file, Path.GetFileNameWithoutExtension (file.Name)+".mp3");
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var password = QueryPassword();
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if (string.IsNullOrEmpty (password))
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return null;
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var key = Encoding.ASCII.GetBytes (password);
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using (var input = new EncryptedViewStream (file, key))
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{
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dir = ReadIndex (input);
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if (null == dir)
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return null;
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return new NsaEncryptedArchive (file, this, dir, key);
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}
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}
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protected List<Entry> ReadIndex (Stream file)
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{
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long base_offset = file.Position;
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using (var input = new ArcView.Reader (file))
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{
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int count = Binary.BigEndian (input.ReadInt16());
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if (!IsSaneCount (count))
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return null;
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base_offset += Binary.BigEndian (input.ReadUInt32());
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if (base_offset >= file.Length || base_offset < 15 * count)
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return null;
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var dir = new List<Entry>();
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for (int i = 0; i < count; ++i)
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{
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if (base_offset - file.Position < 15)
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return null;
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var name = file.ReadCString();
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if (base_offset - file.Position < 13 || 0 == name.Length)
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return null;
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var entry = FormatCatalog.Instance.Create<NsaEntry> (name);
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byte compression_type = input.ReadByte();
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entry.Offset = Binary.BigEndian (input.ReadUInt32()) + base_offset;
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entry.Size = Binary.BigEndian (input.ReadUInt32());
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if (!entry.CheckPlacement (file.Length))
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return null;
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entry.UnpackedSize = Binary.BigEndian (input.ReadUInt32());
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entry.IsPacked = compression_type != 0;
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switch (compression_type)
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{
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case 0: entry.CompressionType = Compression.None; break;
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case 1: entry.CompressionType = Compression.SPB; break;
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case 2: entry.CompressionType = Compression.LZSS; break;
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case 4: entry.CompressionType = Compression.NBZ; break;
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default: entry.CompressionType = Compression.Unknown; break;
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}
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if (name.HasExtension (".nbz"))
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entry.Type = "audio";
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dir.Add (entry);
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}
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return dir;
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}
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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var nsa_arc = arc as NsaEncryptedArchive;
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if (null == nsa_arc)
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{
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var input = arc.File.CreateStream (entry.Offset, entry.Size);
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return UnpackEntry (input, entry as NsaEntry);
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}
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var encrypted = new EncryptedViewStream (arc.File, nsa_arc.Key);
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var stream = new StreamRegion (encrypted, entry.Offset, entry.Size);
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return UnpackEntry (stream, entry as NsaEntry);
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}
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protected Stream UnpackEntry (Stream input, NsaEntry nsa_entry)
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{
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if (null == nsa_entry)
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return input;
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if (nsa_entry.Name.HasExtension (".nbz") || Compression.NBZ == nsa_entry.CompressionType)
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{
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input.Position = 4;
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return new BZip2InputStream (input);
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}
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if (!(Compression.LZSS == nsa_entry.CompressionType ||
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Compression.SPB == nsa_entry.CompressionType))
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return input;
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using (input)
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{
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var decoder = new Unpacker (input, nsa_entry.UnpackedSize);
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if (Compression.SPB == nsa_entry.CompressionType)
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return decoder.SpbDecodedStream();
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else
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return decoder.LzssDecodedStream();
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}
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}
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private string QueryPassword ()
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{
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var options = Query<NsaOptions> (arcStrings.ArcEncryptedNotice);
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return options.Password;
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}
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public override ResourceOptions GetDefaultOptions ()
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{
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return new NsaOptions {
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CompressionType = Properties.Settings.Default.ONSCompression,
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Password = Properties.Settings.Default.NSAPassword,
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};
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}
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public override ResourceOptions GetOptions (object widget)
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{
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var w = widget as GUI.WidgetNSA;
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if (null != w)
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Properties.Settings.Default.NSAPassword = w.Password.Text;
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return GetDefaultOptions();
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}
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public override object GetAccessWidget ()
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{
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return new GUI.WidgetNSA (KnownKeys);
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}
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public override object GetCreationWidget ()
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{
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return new GUI.CreateONSWidget();
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}
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public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
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EntryCallback callback)
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{
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var ons_options = GetOptions<NsaOptions> (options);
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var encoding = Encodings.cp932.WithFatalFallback();
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int callback_count = 0;
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var real_entry_list = new List<NsaEntry>();
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var used_names = new HashSet<string>();
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int index_size = 0;
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foreach (var entry in list)
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{
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if (!used_names.Add (entry.Name)) // duplicate name
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continue;
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try
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{
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index_size += encoding.GetByteCount (entry.Name) + 1;
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}
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catch (EncoderFallbackException X)
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{
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throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
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}
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var header_entry = new NsaEntry { Name = entry.Name };
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if (Compression.None != ons_options.CompressionType)
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{
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if (entry.Name.HasExtension (".bmp"))
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header_entry.CompressionType = ons_options.CompressionType;
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}
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index_size += 13;
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real_entry_list.Add (header_entry);
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}
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long start_offset = output.Position;
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long base_offset = 6+index_size;
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output.Seek (base_offset, SeekOrigin.Current);
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foreach (var entry in real_entry_list)
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{
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using (var input = File.OpenRead (entry.Name))
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{
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var file_size = input.Length;
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if (file_size > uint.MaxValue)
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throw new FileSizeException();
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long file_offset = output.Position - base_offset;
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if (file_offset+file_size > uint.MaxValue)
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throw new FileSizeException();
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if (null != callback)
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callback (callback_count++, entry, arcStrings.MsgAddingFile);
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entry.Offset = file_offset;
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entry.UnpackedSize = (uint)file_size;
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if (Compression.LZSS == entry.CompressionType)
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{
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var packer = new Packer (input, output);
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entry.Size = packer.EncodeLZSS();
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}
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else
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{
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entry.Size = entry.UnpackedSize;
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entry.CompressionType = Compression.None;
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input.CopyTo (output);
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}
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}
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}
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if (null != callback)
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callback (callback_count++, null, arcStrings.MsgWritingIndex);
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output.Position = start_offset;
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using (var writer = new BinaryWriter (output, encoding, true))
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{
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writer.Write (Binary.BigEndian ((short)real_entry_list.Count));
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writer.Write (Binary.BigEndian ((uint)base_offset));
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foreach (var entry in real_entry_list)
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{
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writer.Write (encoding.GetBytes (entry.Name));
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writer.Write ((byte)0);
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writer.Write ((byte)entry.CompressionType);
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writer.Write (Binary.BigEndian ((uint)entry.Offset));
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writer.Write (Binary.BigEndian ((uint)entry.Size));
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writer.Write (Binary.BigEndian ((uint)entry.UnpackedSize));
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}
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}
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}
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}
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/*
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* ONScripter-EN decompression routines.
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*
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* Copyright (c) 2001-2010 Ogapee. All rights reserved.
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* (original ONScripter, of which this is a fork).
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*
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* ogapee@aqua.dti2.ne.jp
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*
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* Copyright (c) 2007-2010 "Uncle" Mion Sonozaki
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*
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* UncleMion@gmail.com
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*
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*/
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/* LZSS encoder-decoder (c) Haruhiko Okumura */
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internal static class LZSS
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{
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public const int EI = 8;
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public const int EJ = 4;
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public const int P = 1; /* If match length <= P then output one character */
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public const int N = (1 << EI); /* buffer size */
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public const int F = ((1 << EJ) + P); /* lookahead buffer size */
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}
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internal class Unpacker : MsbBitStream
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{
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private byte[] m_output;
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public byte[] Output { get { return m_output; } }
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public Unpacker (Stream input, uint unpacked_size) : base (input, true)
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{
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m_output = new byte[unpacked_size];
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}
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public Stream LzssDecodedStream ()
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{
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DecodeLZSS();
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return new MemoryStream (m_output);
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}
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public Stream SpbDecodedStream ()
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{
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DecodeSPB();
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return new MemoryStream (m_output);
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}
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uint DecodeLZSS ()
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{
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uint count = 0;
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byte[] decomp_buffer = new byte[LZSS.N*2];
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int r = LZSS.N - LZSS.F;
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int c;
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while (count < m_output.Length)
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{
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if (0 != GetBits (1))
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{
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c = GetBits (8);
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if (-1 == c)
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break;
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m_output[count++] = (byte)c;
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decomp_buffer[r++] = (byte)c;
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r &= (LZSS.N - 1);
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}
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else
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{
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int i = GetBits (LZSS.EI);
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if (-1 == i)
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break;
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int j = GetBits (LZSS.EJ);
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if (-1 == j)
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break;
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for (int k = 0; k <= j + 1; k++)
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{
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c = decomp_buffer[(i + k) & (LZSS.N - 1)];
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m_output[count++] = (byte)c;
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decomp_buffer[r++] = (byte)c;
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r &= (LZSS.N - 1);
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}
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}
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}
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return count;
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}
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uint DecodeSPB ()
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{
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uint width = (uint)Input.ReadByte() << 8;
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width |= (uint)Input.ReadByte();
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uint height = (uint)Input.ReadByte() << 8;
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height |= (uint)Input.ReadByte();
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uint width_pad = (4 - width * 3 % 4) % 4;
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int stride = (int)(width * 3 + width_pad);
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uint total_size = (uint)stride * height + 54;
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if ((uint)m_output.Length < total_size)
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m_output = new byte[total_size];
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/* ---------------------------------------- */
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/* Write header */
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m_output[0] = (byte)'B';
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m_output[1] = (byte)'M';
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LittleEndian.Pack (total_size, m_output, 2);
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m_output[10] = 54; // offset to the body
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m_output[14] = 40; // header size
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LittleEndian.Pack (width, m_output, 18);
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LittleEndian.Pack (height, m_output, 22);
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m_output[26] = 1; // the number of the plane
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m_output[28] = 24; // bpp
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byte[] decomp_buffer = new byte[width*height*4];
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for (int i = 0; i < 3; i++)
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{
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uint count = 0;
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int c = GetBits (8);
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if (-1 == c)
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break;
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decomp_buffer[count++] = (byte)c;
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while (count < width * height)
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{
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int n = GetBits (3);
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if (0 == n)
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{
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decomp_buffer[count++] = (byte)c;
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decomp_buffer[count++] = (byte)c;
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decomp_buffer[count++] = (byte)c;
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decomp_buffer[count++] = (byte)c;
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continue;
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}
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int m;
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if (7 == n)
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m = GetBits (1) + 1;
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else
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m = n + 2;
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for (uint j = 0; j < 4; j++)
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{
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if (8 == m)
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{
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c = GetBits (8);
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}
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else
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{
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int k = GetBits (m);
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if (0 != (k & 1))
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c += (k>>1) + 1;
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else
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c -= (k>>1);
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}
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decomp_buffer[count++] = (byte)c;
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}
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}
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int pbuf = stride * (int)(height-1) + i + 54; // in m_output
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int psbuf = 0; // in decomp_buffer
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for (uint j = 0; j < height; j++)
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{
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if (0 != (j & 1))
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{
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for (uint k = 0; k < width; k++, pbuf -= 3)
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m_output[pbuf] = decomp_buffer[psbuf++];
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pbuf -= stride - 3;
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}
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else
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{
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for (uint k = 0; k < width; k++, pbuf += 3)
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m_output[pbuf] = decomp_buffer[psbuf++];
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pbuf -= stride + 3;
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}
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}
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}
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return total_size;
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}
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}
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internal class Packer
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{
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private Stream m_input;
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private Stream m_output;
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private uint m_code_count = 0;
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public uint PackedSize { get { return m_code_count; } }
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public Packer (Stream input, Stream output)
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{
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m_input = input;
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m_output = output;
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}
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public uint EncodeLZSS ()
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{
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byte[] comp_buffer = new byte[LZSS.N*2];
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int i;
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for (i = LZSS.N - LZSS.F; i < LZSS.N * 2; i++)
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{
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int c = m_input.ReadByte();
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if (-1 == c)
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break;
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comp_buffer[i] = (byte)c;
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}
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int bufferend = i;
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int r = LZSS.N - LZSS.F;
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int s = 0;
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while (r < bufferend)
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{
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int f1 = (LZSS.F <= bufferend - r) ? LZSS.F : bufferend - r;
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int x = 0;
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int y = 1;
|
|
int c = comp_buffer[r];
|
|
for (i = r - 1; i >= s; i--)
|
|
{
|
|
if (comp_buffer[i] == c)
|
|
{
|
|
int j;
|
|
for (j = 1; j < f1; j++)
|
|
if (comp_buffer[i + j] != comp_buffer[r + j])
|
|
break;
|
|
if (j > y)
|
|
{
|
|
x = i;
|
|
y = j;
|
|
}
|
|
}
|
|
}
|
|
if (y <= LZSS.P)
|
|
Output1 (c);
|
|
else
|
|
Output2 (x & (LZSS.N - 1), y - 2);
|
|
r += y;
|
|
s += y;
|
|
if (r >= LZSS.N * 2 - LZSS.F)
|
|
{
|
|
for (i = 0; i < LZSS.N; i++)
|
|
comp_buffer[i] = comp_buffer[i + LZSS.N];
|
|
bufferend -= LZSS.N;
|
|
r -= LZSS.N;
|
|
s -= LZSS.N;
|
|
while (bufferend < LZSS.N * 2)
|
|
{
|
|
c = m_input.ReadByte();
|
|
if (-1 == c)
|
|
break;
|
|
comp_buffer[bufferend++] = (byte)c;
|
|
}
|
|
}
|
|
}
|
|
FlushBitBuffer();
|
|
return m_code_count;
|
|
}
|
|
|
|
int m_bit_buffer = 0;
|
|
int m_bit_mask = 128;
|
|
|
|
void PutBit1 ()
|
|
{
|
|
m_bit_buffer |= m_bit_mask;
|
|
if ((m_bit_mask >>= 1) == 0)
|
|
{
|
|
m_output.WriteByte ((byte)m_bit_buffer);
|
|
m_bit_buffer = 0;
|
|
m_bit_mask = 128;
|
|
m_code_count++;
|
|
}
|
|
}
|
|
|
|
void PutBit0 ()
|
|
{
|
|
if ((m_bit_mask >>= 1) == 0)
|
|
{
|
|
m_output.WriteByte ((byte)m_bit_buffer);
|
|
m_bit_buffer = 0;
|
|
m_bit_mask = 128;
|
|
m_code_count++;
|
|
}
|
|
}
|
|
|
|
void FlushBitBuffer ()
|
|
{
|
|
if (m_bit_mask != 128)
|
|
{
|
|
m_output.WriteByte ((byte)m_bit_buffer);
|
|
m_code_count++;
|
|
}
|
|
}
|
|
|
|
void Output1 (int c)
|
|
{
|
|
PutBit1();
|
|
int mask = 256;
|
|
while (0 != (mask >>= 1))
|
|
{
|
|
if (0 != (c & mask)) PutBit1();
|
|
else PutBit0();
|
|
}
|
|
}
|
|
|
|
void Output2 (int x, int y)
|
|
{
|
|
PutBit0();
|
|
int mask = LZSS.N;
|
|
while (0 != (mask >>= 1))
|
|
{
|
|
if (0 != (x & mask)) PutBit1();
|
|
else PutBit0();
|
|
}
|
|
mask = (1 << LZSS.EJ);
|
|
while (0 != (mask >>= 1))
|
|
{
|
|
if (0 != (y & mask)) PutBit1();
|
|
else PutBit0();
|
|
}
|
|
}
|
|
}
|
|
}
|