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90 lines
3.6 KiB
C#
90 lines
3.6 KiB
C#
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//! \file ArcXPK.cs
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//! \date 2017 Dec 05
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//! \brief KAG System resource archive.
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//
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// Copyright (C) 2017 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.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.Text;
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using GameRes.Utility;
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namespace GameRes.Formats.KiriKiri
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{
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[Export(typeof(ArchiveFormat))]
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public class XpkOpener : ArchiveFormat
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{
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public override string Tag { get { return "XPK"; } }
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public override string Description { get { return "KAG System resource archive"; } }
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public override uint Signature { get { return 0x314B5058; } } // 'XPK1'
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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 XpkOpener ()
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{
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Signatures = new uint[] { 0x314B5058, 0 };
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}
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static readonly byte[] SignatureBytes = Encoding.ASCII.GetBytes ("XPK1\x1A");
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public override ArcFile TryOpen (ArcView file)
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{
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long base_offset = 0;
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if (0x5A4D == file.View.ReadUInt16 (0)) // 'MZ'
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base_offset = Xp3Opener.SkipExeHeader (file, SignatureBytes);
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if (!file.View.BytesEqual (base_offset, SignatureBytes))
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return null;
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using (var index = file.CreateStream())
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{
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index.Position = base_offset+10;
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int count = (int)ReadUInt (index);
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if (!IsSaneCount (count))
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return null;
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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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long offset = ReadUInt (index) + base_offset;
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uint size = ReadUInt (index);
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uint unpacked_size = ReadUInt (index);
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index.ReadInt16();
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var name = index.ReadCString();
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var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
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entry.Offset = offset;
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entry.Size = size;
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entry.UnpackedSize = unpacked_size;
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if (!entry.CheckPlacement (file.MaxOffset) && !(offset == file.MaxOffset && size == 0))
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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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internal static uint ReadUInt (IBinaryStream input)
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{
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if (input.ReadByte() != 4)
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throw new InvalidFormatException();
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return Binary.BigEndian (input.ReadUInt32());
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}
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}
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}
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