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107 lines
4.3 KiB
C#
107 lines
4.3 KiB
C#
//! \file ArcBIN.cs
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//! \date 2019 Mar 21
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//! \brief Alterna resource archive.
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//
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// Copyright (C) 2019 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 GameRes.Compression;
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using GameRes.Utility;
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// [051028][ALTERNA] ShiroKuro ~Shiroi Kokoro to Kuroi Tsurugi~
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namespace GameRes.Formats.Alterna
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{
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[Export(typeof(ArchiveFormat))]
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public class BinOpener : ArchiveFormat
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{
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public override string Tag { get { return "BIN/ARC1"; } }
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public override string Description { get { return "Alterna 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 BinOpener ()
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{
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ContainedFormats = new[] { "BMP", "OGG", "SCR" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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if (file.Name.HasExtension (".lst"))
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return null;
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var lst_name = Path.ChangeExtension (file.Name, ".lst");
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if (!VFS.FileExists (lst_name))
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return null;
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using (var lst = VFS.OpenView (lst_name))
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{
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if (!lst.View.AsciiEqual (0, "ARC1.00"))
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return null;
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int count = lst.View.ReadInt32 (8);
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if (!IsSaneCount (count))
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return null;
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uint lst_pos = 0x10;
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var name_buffer = new byte[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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lst.View.Read (lst_pos+0x10, name_buffer, 0, 0x20);
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for (int j = 0; j < 0x20 && name_buffer[j] != 0; ++j)
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{
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name_buffer[j] ^= 0x80;
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}
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var name = Binary.GetCString (name_buffer, 0);
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var entry = Create<PackedEntry> (name);
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entry.Size = lst.View.ReadUInt32 (lst_pos + 8);
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entry.Offset = lst.View.ReadUInt32 (lst_pos + 0xC);
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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entry.UnpackedSize = lst.View.ReadUInt32 (lst_pos + 4);
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entry.IsPacked = lst.View.ReadInt32 (lst_pos) != 0;
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dir.Add (entry);
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lst_pos += 0x30;
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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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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, "LZSS"))
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return base.OpenEntry (arc, entry);
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var input = arc.File.CreateStream (entry.Offset+8, entry.Size-8);
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var lzss = new LzssStream (input);
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lzss.Config.FrameInitPos = 0xFF0;
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return lzss;
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}
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}
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[Export(typeof(ResourceAlias))]
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[ExportMetadata("Extension", "STR")]
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[ExportMetadata("Target", "SCR")]
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public class StrFormat : ResourceAlias { }
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}
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