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71 lines
2.8 KiB
C#
71 lines
2.8 KiB
C#
//! \file ArcDX8.cs
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//! \date 2022 Jun 05
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//! \brief DxLib archive version 8.
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//
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// Copyright (C) 2022 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.DxLib
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{
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[Export(typeof(ArchiveFormat))]
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public class Dx8Opener : DxOpener
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{
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public override string Tag { get { return "BIN/DXLIB"; } }
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public override string Description { get { return "DxLib archive version 8"; } }
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public override uint Signature { get { return 0x00085844; } }
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public override bool IsHierarchic { get { return true; } }
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public override bool CanWrite { get { return false; } }
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public Dx8Opener ()
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{
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Extensions = new[] { "bin" };
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Signatures = new[] { 0x00085844u };
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}
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static readonly byte[] DefaultKey = new byte[] { 0xBE, 0xC8, 0x8A, 0xF5, 0x28, 0x50, 0xC9 };
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public override ArcFile TryOpen (ArcView file)
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{
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var dx = new DxHeader {
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IndexSize = file.View.ReadUInt32 (4),
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BaseOffset = file.View.ReadInt64 (8),
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IndexOffset = file.View.ReadInt64 (0x10),
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FileTable = (uint)file.View.ReadInt64 (0x18),
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DirTable = (uint)file.View.ReadInt64 (0x20),
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CodePage = file.View.ReadInt32 (0x28),
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};
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if (dx.DirTable >= dx.IndexSize || dx.FileTable >= dx.IndexSize)
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return null;
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var key = DefaultKey;
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var index = file.View.ReadBytes (dx.IndexOffset, dx.IndexSize);
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Decrypt (index, 0, index.Length, 0, key);
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// decrypt-2
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// decompress
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return null;
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}
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}
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}
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