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88 lines
3.6 KiB
C#
88 lines
3.6 KiB
C#
//! \file ArcARC.cs
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//! \date 2026 Feb 02
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//! \brief Edoire's 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.Text;
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namespace GameRes.Formats.Edoire
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{
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[Export(typeof(ArchiveFormat))]
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public class ArcOpener : ArchiveFormat
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{
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public override string Tag { get { return "ARC"; } }
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public override string Description { get { return "Edoire's resource archive"; } }
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public override uint Signature { get { return 0x43524140; } } // "@ARCH000"
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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 ArcOpener ()
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{
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Extensions = new string[] { "arc" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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if (!file.View.AsciiEqual (0, "@ARCH000"))
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return null;
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var index_offset = file.View.ReadInt64 (file.MaxOffset-8);
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if (index_offset <= 0 || index_offset >= file.MaxOffset-12)
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return null;
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var count = file.View.ReadInt32 (index_offset);
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if (!IsSaneCount (count))
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return null;
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index_offset += 4;
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var dir = new List<Entry> (count);
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for (var i = 0; i < count; i++)
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{
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var len = file.View.ReadByte (index_offset);
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index_offset += 1;
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var name = file.View.ReadString (index_offset, len, Encoding.UTF8);
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index_offset += len;
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var offset = file.View.ReadInt64 (index_offset);
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index_offset += 8;
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var size = file.View.ReadInt64 (index_offset);
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index_offset += 9;
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len = file.View.ReadByte (index_offset);
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index_offset += 1;
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var path = file.View.ReadString (index_offset, len, Encoding.UTF8);
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index_offset += len;
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if (path.StartsWith ("/"))
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path = path.Substring (1);
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if (!string.IsNullOrEmpty (path) && !path.EndsWith ("/"))
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path += "/";
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var entry = Create<Entry> (path+name);
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entry.Offset = offset;
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entry.Size = Convert.ToUInt32 (size);
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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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