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implemented DDP archives.
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morkt
197
ArcFormats/DDSystem/ArcDDP.cs
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197
ArcFormats/DDSystem/ArcDDP.cs
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//! \file ArcDDP.cs
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//! \date Wed Jul 27 13:21:01 2016
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//! \brief DDSystem resource archive.
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//
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// Copyright (C) 2016 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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using System.Linq;
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using GameRes.Formats.SHSystem;
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using GameRes.Utility;
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namespace GameRes.Formats.DDSystem
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{
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[Export(typeof(ArchiveFormat))]
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public class Ddp2Opener : ArchiveFormat
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{
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public override string Tag { get { return "DDP2"; } }
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public override string Description { get { return "DDSystem engine resource archive"; } }
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public override uint Signature { get { return 0x32504444; } } // 'DDP2'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanCreate { get { return false; } }
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public Ddp2Opener ()
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{
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Extensions = new string[] { "dat" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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int count = file.View.ReadInt32 (4);
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if (!IsSaneCount (count))
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return null;
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var base_name = Path.GetFileNameWithoutExtension (file.Name);
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uint index_offset = 0x20;
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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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Offset = file.View.ReadUInt32 (index_offset),
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UnpackedSize = file.View.ReadUInt32 (index_offset+4),
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Size = file.View.ReadUInt32 (index_offset+8),
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Name = string.Format ("{0}#{1:D5}", base_name, i),
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};
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entry.IsPacked = entry.Size != 0;
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if (!entry.IsPacked)
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entry.Size = entry.UnpackedSize;
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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index_offset += 0x10;
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dir.Add (entry);
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}
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DetectFileTypes (file, dir);
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return new ArcFile (file, this, dir);
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}
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internal static void DetectFileTypes (ArcView file, List<Entry> dir)
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{
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byte[] signature_buffer = new byte[4];
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foreach (PackedEntry entry in dir)
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{
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uint signature;
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if (entry.IsPacked)
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{
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using (var input = file.CreateStream (entry.Offset, Math.Min (entry.Size, 0x20u)))
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using (var reader = new ShsCompression (input))
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{
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reader.Unpack (signature_buffer);
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signature = LittleEndian.ToUInt32 (signature_buffer, 0);
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}
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}
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else
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{
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signature = file.View.ReadUInt32 (entry.Offset);
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}
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if (0x78534444 == signature) // 'DDSx'
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{
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entry.Type = "script";
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entry.Name = Path.ChangeExtension (entry.Name, "hxb");
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}
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else if (0 != signature)
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{
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IResource res;
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if (0x020000 == signature || 0x0A0000 == signature)
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res = ImageFormat.Tga;
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else
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res = AutoEntry.DetectFileType (signature);
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if (res != null)
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{
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entry.Type = res.Type;
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var ext = res.Extensions.FirstOrDefault();
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if (!string.IsNullOrEmpty (ext))
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entry.Name = Path.ChangeExtension (entry.Name, ext);
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}
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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 input = arc.File.CreateStream (entry.Offset, entry.Size);
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var pent = entry as PackedEntry;
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if (null == pent || !pent.IsPacked)
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return input;
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var data = new byte[pent.UnpackedSize];
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using (var reader = new ShsCompression (input))
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{
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reader.Unpack (data);
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if (data.Length > 16 && Binary.AsciiEqual (data, 0, "DDSxHXB"))
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DecryptHxb (data);
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return new MemoryStream (data);
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}
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}
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internal void DecryptHxb (byte[] data)
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{
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int length = data[8] << 16 | data[9] << 8 | data[10];
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if (length != data.Length)
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return;
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int key = (((length << 5) ^ 0xA5) * (length + 0x6F349)) ^ 0x34A9B129;
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var key_bits = new byte[4];
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LittleEndian.Pack (key, key_bits, 0);
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for (int i = 0x10; i < data.Length; ++i)
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{
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data[i] ^= key_bits[i & 3];
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}
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class Ddp3Opener : Ddp2Opener
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{
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public override string Tag { get { return "DDP3"; } }
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public override string Description { get { return "DDSystem engine resource archive"; } }
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public override uint Signature { get { return 0x33504444; } } // 'DDP3'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanCreate { 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.ReadInt32 (4);
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if (!IsSaneCount (count))
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return null;
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var index = Him5Opener.ReadIndex (file, 0x20, count);
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var dir = new List<Entry>();
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foreach (var section in index)
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{
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int index_offset = section.Item1;
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for (int section_size = section.Item2; section_size > 0; )
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{
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int entry_size = file.View.ReadByte (index_offset);
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if (entry_size < 17)
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break;
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var entry = new PackedEntry {
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Offset = file.View.ReadUInt32 (index_offset+1),
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UnpackedSize = file.View.ReadUInt32 (index_offset+5),
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Size = file.View.ReadUInt32 (index_offset+9),
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Name = file.View.ReadString (index_offset+17, (uint)entry_size-17),
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};
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entry.IsPacked = entry.Size != 0;
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if (!entry.IsPacked)
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entry.Size = entry.UnpackedSize;
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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index_offset += entry_size;
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section_size -= entry_size;
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dir.Add (entry);
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}
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}
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DetectFileTypes (file, dir);
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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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@@ -81,9 +81,9 @@ namespace GameRes.Formats.SHSystem
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{
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uint packed_size = file.View.ReadUInt32 (entry.Offset);
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uint unpacked_size = file.View.ReadUInt32 (entry.Offset+4);
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if (0 == packed_size)
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entry.IsPacked = 0 != packed_size;
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if (!entry.IsPacked)
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packed_size = unpacked_size;
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entry.IsPacked = packed_size != unpacked_size;
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entry.Size = packed_size;
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entry.UnpackedSize = unpacked_size;
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entry.Offset += 8;
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@@ -104,12 +104,10 @@ namespace GameRes.Formats.SHSystem
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if (0 != signature)
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{
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IResource res;
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if (0x4D42 == (signature & 0xFFFF))
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res = ImageFormat.Bmp;
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else if (0x020000 == signature || 0x0A0000 == signature)
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if (0x020000 == signature || 0x0A0000 == signature)
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res = ImageFormat.Tga;
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else
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res = FormatCatalog.Instance.LookupSignature (signature).FirstOrDefault();
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res = AutoEntry.DetectFileType (signature);
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if (res != null)
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{
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entry.Type = res.Type;
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@@ -158,20 +156,11 @@ namespace GameRes.Formats.SHSystem
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if (!IsSaneCount (count))
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return null;
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int index_offset = 8;
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var index = new List<Tuple<int, int>> (count);
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for (int i = 0; i < count; ++i)
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{
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int size = file.View.ReadInt32 (index_offset);
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int offset = file.View.ReadInt32 (index_offset+4);
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index_offset += 8;
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if (size != 0)
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index.Add (Tuple.Create (offset, size));
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}
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var index = ReadIndex (file, 8, count);
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var dir = new List<Entry>();
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foreach (var section in index)
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{
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index_offset = section.Item1;
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int index_offset = section.Item1;
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for (int section_size = section.Item2; section_size > 0; )
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{
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int entry_size = file.View.ReadByte (index_offset);
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@@ -191,6 +180,20 @@ namespace GameRes.Formats.SHSystem
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DetectFileTypes (file, dir);
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return new ArcFile (file, this, dir);
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}
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internal static List<Tuple<int, int>> ReadIndex (ArcView file, uint index_offset, int count)
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{
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var index = new List<Tuple<int, int>> (count);
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for (int i = 0; i < count; ++i)
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{
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int size = file.View.ReadInt32 (index_offset);
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int offset = file.View.ReadInt32 (index_offset+4);
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index_offset += 8;
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if (size != 0)
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index.Add (Tuple.Create (offset, size));
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}
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return index;
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}
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}
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internal class ShsCompression : IDisposable
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