mirror of
https://github.com/crskycode/GARbro.git
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547 lines
21 KiB
C#
547 lines
21 KiB
C#
//! \file ArcARC.cs
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//! \date 2018 May 05
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//! \brief GSS engine 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.Gss
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{
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[Export(typeof(ArchiveFormat))]
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public class LsdOpener : ArchiveFormat
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{
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public override string Tag { get { return "ARC/LSD"; } }
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public override string Description { get { return "GSS engine 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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if (!file.Name.HasExtension (".arc"))
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return null;
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var bin_name = Path.ChangeExtension (file.Name, "BIN");
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if (!VFS.FileExists (bin_name))
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return null;
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using (var bin = VFS.OpenView (bin_name))
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{
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if (!bin.View.AsciiEqual (0, "LSDARC V.100"))
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return null;
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int count = bin.View.ReadInt32 (0xC);
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if (!IsSaneCount (count))
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return null;
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using (var index = bin.CreateStream())
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{
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index.Position = 0x10;
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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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var entry = new PackedEntry();
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entry.IsPacked = index.ReadInt32() != 0;
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entry.Offset = index.ReadUInt32();
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entry.UnpackedSize = index.ReadUInt32();
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entry.Size = index.ReadUInt32();
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entry.Name = index.ReadCString();
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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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return new ArcFile (file, this, dir);
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}
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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 pent = entry as PackedEntry;
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if (null == pent || !pent.IsPacked || !arc.File.View.AsciiEqual (entry.Offset, "LSD\x1A"))
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return base.OpenEntry (arc, entry);
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byte enc_method = arc.File.View.ReadByte (entry.Offset+4);
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byte pack_method = arc.File.View.ReadByte (entry.Offset+5);
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uint unpacked_size = arc.File.View.ReadUInt32 (entry.Offset+6);
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using (var input = arc.File.CreateStream (entry.Offset+12, entry.Size-12))
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{
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var data = new byte[unpacked_size];
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int len;
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switch ((char)pack_method)
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{
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case 'D': len = UnpackD (input, data); break;
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case 'R': len = UnpackR (input, data); break;
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case 'H': len = UnpackH (input, data); break;
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case 'W': len = UnpackW (input, data); break;
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default: len = input.Read (data, 0, data.Length); break;
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}
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len = Math.Min (len, data.Length);
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switch ((char)enc_method)
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{
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case 'N':
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break;
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case 'B':
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for (int i = 0; i < len; i++)
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{
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var d = data[i];
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var tmp = -d;
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if (i != 0)
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tmp = data[i - 1] - d;
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data[i] = (byte)tmp;
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}
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break;
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case 'W':
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for (int i = 0; i < len; i += 2)
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{
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var d = data[i] | (data[i + 1] << 8);
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var tmp = -d;
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if (i != 0)
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tmp = (data[i - 2] | data[i - 1] << 8) - d;
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data[i] = (byte)(tmp & 0xff);
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data[i + 1] = (byte)(tmp >> 8);
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}
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break;
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case 'S':
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for (int i = 0; i < len; i += 2)
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{
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var d = data[i + 1] | (data[i] << 8);
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var tmp = -d;
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if (i != 0)
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tmp = (data[i - 1] | data[i - 2] << 8) - d;
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data[i] = (byte)(tmp >> 8);
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data[i + 1] = (byte)(tmp & 0xff);
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}
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break;
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}
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return new BinMemoryStream (data, entry.Name);
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}
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}
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public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
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{
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throw new NotImplementedException();
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}
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int UnpackD (IBinaryStream input, byte[] output)
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{
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var buf_packed = input.ReadBytes ((int)input.Length);
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int result = 0, i = 0, v8, v12;
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int v3 = 0, qword_811C97A8 = 0;
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var size1 = output.Length >> 1;
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byte v6, v16;
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if (size1 != 0)
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{
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int cur_output_addr = 0;
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int cur_pos = 0;
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do
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{
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v6 = (byte)(v3 & 0x1F);
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int v7 = (int)((v3 >> 3) & 0xFFFFFFFC);
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if ((int)(v3 & 0x1F) < 28)
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{
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v8 = BitConverter.ToInt32 (buf_packed, v7);
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}
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else
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{
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v8 = BitConverter.ToInt32 (buf_packed, v7 + 1);
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v6 -= (byte)8;
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}
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var v23 = v8 >> v6;
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qword_811C97A8 += 5;
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byte v10 = (byte)(qword_811C97A8 & 0x1F);
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int idx = v23 & 0xF;
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int v11 = (int)(((qword_811C97A8) >> 3) & 0xFFFFFFFC);
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if (v10 >= 24)
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{
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v12 = BitConverter.ToInt32 (buf_packed, v11 + 3);
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v16 = (byte)(v10 - 24);
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}
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else if (v10 >= 16)
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{
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v12 = BitConverter.ToInt32 (buf_packed, v11 + 2);
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v16 = (byte)(v10 - 16);
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}
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else
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{
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if (v10 < 8)
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{
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v12 = BitConverter.ToInt32 (buf_packed, v11);
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}
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else
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{
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v12 = BitConverter.ToInt32 (buf_packed, v11 + 1);
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v10 -= 8;
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}
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v16 = v10;
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}
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var v19 = (dword_8107F750[idx] & (v12 >> v16)) + dword_8107F7A4[0x10 + idx];
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if ((v23 & 0x10) != 0)
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v19 = v19 & 0xffff0000 | (~v19 & 0xffff);
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output[cur_output_addr++] = (byte)(v19); //word
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output[cur_output_addr++] = (byte)(v19 >> 8);
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qword_811C97A8 += (int)dword_8107F7A4[idx];
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++i;
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v3 = qword_811C97A8;
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cur_pos += 2;
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}
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while (i != size1);
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result = cur_pos + 2;
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}
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return result;
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}
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int UnpackR (IBinaryStream input, byte[] output)
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{
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int dst = 0;
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while (dst < output.Length)
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{
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int ctl = input.ReadByte();
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if (-1 == ctl)
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break;
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int count;
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if ((ctl & 0xC0) == 0xC0)
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{
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count = ctl & 0xF;
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ctl &= 0xF0;
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}
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else
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{
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count = ctl & 0x3F;
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ctl &= 0xC0;
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}
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switch (ctl)
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{
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case 0xF0: return 0;
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case 0x40:
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input.Read (output, dst, count);
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dst += count;
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break;
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case 0xD0:
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count = count << 8 | input.ReadUInt8();
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input.Read (output, dst, count);
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dst += count;
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break;
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case 0x80:
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{
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byte v = input.ReadUInt8();
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while (count --> 0)
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output[dst++] = v;
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break;
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}
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case 0xE0:
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{
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count = count << 8 | input.ReadUInt8();
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byte v = input.ReadUInt8();
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while (count --> 0)
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output[dst++] = v;
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break;
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}
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case 0x00:
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dst += count;
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break;
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case 0xC0:
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count = count << 8 | input.ReadUInt8();
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dst += count;
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break;
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}
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}
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return dst;
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}
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int UnpackH (IBinaryStream input, byte[] output)
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{
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var buf_packed = input.ReadBytes ((int)input.Length);
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var buf = new byte[0x10000];
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const uint off2 = 0x2004;
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const uint off3 = 0x2804;
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const uint off4 = 0x3004; //0x811C9784
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uint cur_addr = 2, pre_pos, next_pos = 2, cur_output_addr = 0;
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byte outchar, i1 = 0, i2, v29, first_char = buf_packed[0];
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int idx1 = 0, v28 = 0;
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do
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{
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pre_pos = next_pos;
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var cur_char1 = buf_packed[cur_addr];
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var next_addr = cur_addr + 1;
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next_pos++;
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if (cur_char1 != 0)
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{
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byte l1 = buf_packed[cur_addr + 1];
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byte h1 = buf_packed[cur_addr + 2];
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uint t1 = (ushort)(l1 + (h1 << 8));
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if (cur_char1 >= 8)
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{
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if (cur_char1 >= 0xD)
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{
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uint d;
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if (cur_char1 < 0x10) // 2 byte
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{
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d = t1;
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next_addr = cur_addr + 3;
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next_pos = pre_pos + 3;
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}
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else // 3 byte
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{
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d = (uint)(t1 + (buf_packed[cur_addr + 3] << 16));
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next_addr = cur_addr + 4;
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next_pos = pre_pos + 4;
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}
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buf[off3 + 4 + 8 * i1] = cur_char1;
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BitConverter.GetBytes ((uint)(d)).CopyTo (buf, off3 + 8 * i1);
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buf[off3 + 5 + 8 * i1] = (byte)idx1;
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i1++;
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}
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else // 2 byte
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{
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buf[2 * t1] = (byte)idx1;
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buf[2 * t1 + 1] = cur_char1;
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next_addr = cur_addr + 3;
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next_pos = pre_pos + 3;
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}
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}
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else // 1 byte
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{
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buf[2 * l1] = (byte)idx1;
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buf[2 * l1 + 1] = cur_char1;
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next_addr = cur_addr + 2;
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next_pos = pre_pos + 2;
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}
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}
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cur_addr = next_addr;
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++idx1;
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} while (idx1 != 0x100);
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byte idx2 = 0;
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byte v19 = 0xD;
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do
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{
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i2 = 0;
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buf[off4 + v19] = (byte)idx2;
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if (i1 != 0)
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{
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int buf3_addr = 0x2804; //buf3_addr = (_BYTE *)&dword_811C8F84;
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do
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{
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if (buf[buf3_addr + 4] == v19)
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{
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Array.Copy (buf, buf3_addr, buf, off2 + 8 * idx2, 4);
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Array.Copy (buf, buf3_addr+4, buf, off2 + 4 + 8 * idx2, 4);
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idx2++;
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}
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++i2;
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buf3_addr += 8;
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}
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while (i2 != i1);
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}
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v19++;
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} while (v19 != 0x18);
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buf[0x301c] = (byte)idx2; //unk_811C979C = idx2;
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Array.Clear (buf, 0x3028, 8);//qword_811C97A8 = 0i64;
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int v23 = (int)output.Length, v33 = 0, size_done = 0;
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while (true)
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{
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int v24 = (int)(next_pos + ((uint)(v33 & 0x1F) >> 3) + ((v33 >> 3) & 0xFFFFFFFC)); //this place, out of range
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ulong v25 = BitConverter.ToUInt32 (buf_packed, v24);
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byte cur_char2 = first_char;
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uint a3 = (uint)((v33 & 0x1F) - (v33 & 0x18));
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uint v27 = (uint)v25;
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if (a3 > 63)
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v27 = 0;
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else if (a3 != 0)
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v27 = (uint)(v25 >> (int)a3);
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if (first_char != 0xD)
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{
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while (true)
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{
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v28 = (int)(v27 & dword_8107F828[2 * cur_char2]);
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BitConverter.GetBytes ((int)(2 * v28 + 0x811C6780)).CopyTo (buf, off2 - 4); //must pay attention to the type convert and length
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if (cur_char2 == buf[2 * v28 + 1])// buf1+1
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break;
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cur_char2++;
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if (cur_char2 == 0xD)
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goto LABEL_22;
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}
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outchar = buf[2 * v28];
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goto LABEL_29;
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}
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LABEL_22:
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if (cur_char2 == 0x18)
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break;
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LABEL_26_2:
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while (true)
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{
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v29 = buf[off4 + cur_char2];
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if (v29 != buf[off4 + 1 + cur_char2])
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break;
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if (++cur_char2 == 0x18)
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{
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return 0;
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//outchar = buf[off2 + 5 + 8 * v29]; //this seems a hack...
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//goto LABEL_29;
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}
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}
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while (BitConverter.ToUInt32 (buf, (int)off2 + 8 * v29) !=
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(v27 & dword_8107F828[2 * cur_char2]))
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{
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v29++;
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if (v29 == buf[off4 + 1 + cur_char2 ])
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{
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if (++cur_char2 == 0x18)
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{
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return 0;
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}
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goto LABEL_26_2;
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}
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}
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outchar = buf[off2 + 5 + 8 * v29];
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LABEL_29:
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output[cur_output_addr] = (byte)outchar;
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BitConverter.GetBytes ((Int64)v33 + (ushort)cur_char2).CopyTo (buf, 0x3028);
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v23 = size_done + 1;
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++cur_output_addr;
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v33 += cur_char2 ;
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size_done = v23;
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if (v23 >= output.Length)
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return size_done;
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}
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return 0;
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}
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int UnpackW (IBinaryStream input, byte[] output)
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{
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throw new NotImplementedException();
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/*
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int header_length = input.ReadUInt8();
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int shift = input.ReadUInt8();
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input.Read (output, 0, header_length);
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int dst = header_length & ~1;
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int v7 = 0;
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while (dst < output.Length)
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{
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int bit = v7 & 0x1F;
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int v9 = (v7 >> 3) & 0x1FFFFFFC;
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int v10;
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if (bit < 0x1C)
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{
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v10 = input.ReadInt32(); //MemInt32(&src[v9]);
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}
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else
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{
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v10 = input.ReadInt32(); //MemInt32(&src[v9 + 1]);
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bit -= 8;
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}
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v7 += 5;
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int v13 = (v10 >> bit) & 0x1F;
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bit = v7 & 0x1F;
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int v14 = (v7 >> 3) & 0x1FFFFFFC;
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if (bit < 8)
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{
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v10 = MemInt32(&src[v14]);
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}
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else if (bit < 0x10)
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{
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v10 = MemInt32(&src[v14 + 1]);
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bit -= 8;
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}
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else if (bit < 0x18)
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{
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v10 = MemInt32(&src[v14 + 2]);
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bit -= 16;
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}
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else
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{
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v10 = MemInt32(&src[v14 + 3]);
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bit -= 24;
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}
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v17 = v13 & 0xF;
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int sample = dword_455580[v17] + (((v10 >> bit) & (dword_4554E8[v17] >> shift)) << shift);
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if ((v13 & 0x10) != 0)
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sample = -sample;
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LittleEndian.Pack ((short)sample, output, dst);
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dst += 2;
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v20 = dword_455540[v17];
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if (v20 > shift)
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{
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v7 += v20 - shift;
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}
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}
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return dst;
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*/
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}
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static readonly int[] dword_455540 = {
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0x0, 0x0, 0x0, 0x0, 0x3, 0x4, 0x5, 0x6,
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0x7, 0x8, 0x9, 0xA, 0xB, 0xC, 0xD, 0xE
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};
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static readonly int[] dword_455580 = {
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0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,
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0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000
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};
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|
static readonly int[] dword_4554E8 = {
|
|
0x00, 0x00, 0x00, 0x00, 0x07, 0x0F, 0x1F, 0x3F,
|
|
0x7F, 0xFF, 0x01FF, 0x03FF, 0x07FF, 0x0FFF, 0x1FFF, 0x3FFF
|
|
};
|
|
static readonly uint[] dword_8107F828 = {
|
|
0x00, 0x00, 0x01, 0x00, 0x03, 0x00, 0x07, 0x00,
|
|
0x0F, 0x00, 0x1F, 0x00, 0x3F, 0x00, 0x7F, 0x00,
|
|
0xFF, 0x00, 0x01FF, 0x00, 0x03FF, 0x00, 0x07FF, 0x00,
|
|
0x0FFF, 0x00, 0x1FFF, 0x00, 0x3FFF, 0x00, 0x7FFF, 0x00,
|
|
0xFFFF, 0x00, 0x01FFFF, 0x00, 0x03FFFF, 0x00, 0x07FFFF, 0x00,
|
|
0x0FFFFF, 0x00, 0x1FFFFF, 0x00, 0x3FFFFF, 0x00, 0x7FFFFF, 0x00,
|
|
0xFFFFFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0F,
|
|
0x1F, 0x3F, 0x7F, 0xFF, 0x01FF, 0x03FF, 0x07FF, 0x0FFF,
|
|
0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF, 0x01FFFF, 0x03FFFF, 0x0FFFFF, 0x00,
|
|
0x06050403, 0x0A090807, 0x0E0D0C0B, 0x00, 0x01, 0x02, 0x04, 0x08,
|
|
0x10, 0x20, 0x40, 0x80, 0x0100, 0x0200, 0x0400, 0x0800,
|
|
0x1000, 0x2000, 0x4000, 0x00, 0xFFFF0001, 0x00, 0x00, 0x01,
|
|
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x01, 0x01
|
|
};
|
|
static readonly uint[] dword_8107F750 = {
|
|
0x00, 0x00, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F,
|
|
0x7F, 0xFF, 0x01FF, 0x03FF, 0x07FF, 0x0FFF, 0x1FFF, 0x3FFF,
|
|
0x7FFF, 0xFFFF, 0x01FFFF, 0x03FFFF, 0x0FFFFF, 0x00, 0x00, 0x01
|
|
};
|
|
static readonly uint[] dword_8107F7A4 = {
|
|
0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
|
|
0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
|
|
0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40,
|
|
0x80, 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000,
|
|
0x00, 0x00, 0x00, 0x01, 0x00, 0x03, 0x00, 0x07,
|
|
0x00, 0x0F, 0x00, 0x1F, 0x00, 0x3F, 0x00, 0x7F,
|
|
0x00, 0xFF, 0x00, 0x01FF, 0x00, 0x03FF, 0x00, 0x07FF,
|
|
0x00, 0x0FFF, 0x00, 0x1FFF, 0x00, 0x3FFF, 0x00, 0x7FFF,
|
|
0x00, 0xFFFF, 0x00, 0x01FFFF, 0x00, 0x03FFFF, 0x00, 0x07FFFF,
|
|
0x00, 0x0FFFFF, 0x00, 0x1FFFFF, 0x00, 0x3FFFFF, 0x00, 0x7FFFFF,
|
|
0x00, 0xFFFFFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07,
|
|
0x0F, 0x1F, 0x3F, 0x7F, 0xFF, 0x01FF, 0x03FF, 0x07FF,
|
|
0x0FFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF, 0x01FFFF, 0x03FFFF, 0x0FFFFF
|
|
};
|
|
}
|
|
}
|