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(Legacy): implemented IDA 'XAF' archives.
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morkt
parent
bdad7902cc
commit
1adefb043d
230
Legacy/Inspire/ArcIDA.cs
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230
Legacy/Inspire/ArcIDA.cs
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//! \file ArcIDA.cs
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//! \date 2018 Jan 14
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//! \brief Inspire 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.IO;
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using System.Text;
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using GameRes.Compression;
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// [000707][inspire] ambience
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namespace GameRes.Formats.Inspire
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{
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internal class IdaEntry : Entry
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{
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public uint Flags;
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public uint Key;
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}
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[Export(typeof(ArchiveFormat))]
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public class PakOpener : ArchiveFormat
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{
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public override string Tag { get { return "IDA"; } }
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public override string Description { get { return "Inspire resource archive"; } }
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public override uint Signature { get { return 0x464158; } } // 'XAF'
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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 override ArcFile TryOpen (ArcView file)
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{
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int version = file.View.ReadInt32 (4);
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if (version > 0x011400)
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return null;
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using (var index = file.CreateStream())
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{
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var dir = new List<Entry>();
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long index_pos = 8;
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for (;;)
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{
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index.Position = index_pos;
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uint entry_length = index.ReadUInt32();
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if (0 == entry_length)
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break;
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uint offset = index.ReadUInt32();
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uint size = index.ReadUInt32();
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index.Seek (8, SeekOrigin.Current);
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uint flags = index.ReadUInt32();
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uint key = index.ReadUInt32();
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index.Seek (0x10, SeekOrigin.Current);
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var name = DeserializeString (index);
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index_pos += entry_length;
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var entry = FormatCatalog.Instance.Create<IdaEntry> (name);
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entry.Offset = offset;
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entry.Size = size;
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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entry.Flags = flags;
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entry.Key = key;
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dir.Add (entry);
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}
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if (0 == dir.Count)
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return null;
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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 ient = entry as IdaEntry;
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if (null == ient || 0 == ient.Flags)
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return base.OpenEntry (arc, entry);
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Stream input = arc.File.CreateStream (entry.Offset, entry.Size);
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if (0 != (ient.Flags & 0xB))
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input = DecryptEntry (input, ient);
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if (0 != (ient.Flags & 4))
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input = new PackedStream<RleDecompressor> (input);
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if (0 != (ient.Flags & 0x10))
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input = new ZLibStream (input, CompressionMode.Decompress);
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return input;
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}
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Stream DecryptEntry (Stream input, IdaEntry entry)
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{
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int input_size = (int)entry.Size;
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var data = new byte[input_size];
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using (input)
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input_size = input.Read (data, 0, input_size);
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byte key = (byte)entry.Key;
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for (int i = 0; i < input_size; ++i)
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{
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byte v = data[i];
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if (0 != (entry.Flags & 8))
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v += key;
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if (0 != (entry.Flags & 2))
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v ^= key;
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if (0 != (entry.Flags & 1))
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v ^= 0xFF;
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data[i] = v;
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key = v;
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}
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return new BinMemoryStream (data, 0, input_size, entry.Name);
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}
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string DeserializeString (IBinaryStream input)
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{
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int length = DeserializeLength (input);
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if (0 == length)
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return "";
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if (length != -1)
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return input.ReadCString (length);
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length = DeserializeLength (input) * 2;
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var chars = input.ReadBytes (length);
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return Encoding.Unicode.GetString (chars, 0, length);
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}
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int DeserializeLength (IBinaryStream input)
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{
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int length = input.ReadUInt8();
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if (length < 0xFF)
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return length;
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length = input.ReadUInt16();
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if (0xFFFE == length)
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length = -1;
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else if (0xFFFF == length)
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length = input.ReadInt32();
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return length;
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}
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}
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internal class RleDecompressor : Decompressor
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{
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IBinaryStream m_input;
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public override void Initialize (Stream input)
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{
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m_input = BinaryStream.FromStream (input, "");
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}
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protected override IEnumerator<int> Unpack ()
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{
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int output_size = m_input.ReadInt32();
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int processed = 0;
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while (processed < output_size)
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{
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int ctl = m_input.ReadByte();
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if (-1 == ctl)
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yield break;
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int count = 0;
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if (0 == (ctl & 0x80))
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{
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count = ctl & 0x3F;
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}
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else if (0 == (ctl & 3))
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{
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count = m_input.ReadUInt8();
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}
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else if (1 == (ctl & 3))
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{
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count = m_input.ReadUInt16();
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}
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else if (3 == (ctl & 3))
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{
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count = m_input.ReadInt32();
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}
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processed += count;
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if (0 != (ctl & 0x40))
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{
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byte v = m_input.ReadUInt8();
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while (count --> 0)
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{
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m_buffer[m_pos++] = v;
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if (0 == --m_length)
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yield return m_pos;
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}
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}
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else
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{
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while (count > 0)
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{
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int avail = Math.Min (count, m_length);
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int read = m_input.Read (m_buffer, m_pos, avail);
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if (0 == read)
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yield break;
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count -= read;
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m_pos += read;
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m_length -= read;
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if (0 == m_length)
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yield return m_pos;
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}
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}
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}
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}
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bool m_disposed = false;
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protected override void Dispose (bool disposing)
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{
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if (!m_disposed)
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{
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if (m_input != null)
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m_input.Dispose();
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m_disposed = true;
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base.Dispose (disposing);
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}
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}
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}
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}
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@ -54,6 +54,7 @@
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<Reference Include="WindowsBase" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Aaru\ArcFL4.cs" />
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<Compile Include="EbgSystem\ArcBIN.cs" />
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<Compile Include="AnotherRoom\AudioWAZ.cs" />
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<Compile Include="AnotherRoom\ImageGR1.cs" />
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@ -70,6 +71,10 @@
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<Compile Include="Dice\ImageRBP.cs" />
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<Compile Include="Factor\ArcRES.cs" />
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<Compile Include="hmp\ImageMBP.cs" />
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<Compile Include="Hyperspace\BmpExtension.cs" />
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<Compile Include="Inspire\ArcIDA.cs" />
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<Compile Include="Uncanny\AudioCWV.cs" />
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<Compile Include="Uncanny\ImageCII.cs" />
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<Compile Include="Kurumi\ArcMPK.cs" />
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<Compile Include="Melody\ImageMGO.cs" />
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<Compile Include="Mink\ImageGDF.cs" />
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@ -78,6 +83,9 @@
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<Compile Include="Nanami\ArcBMM.cs" />
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<Compile Include="Nekotaro\ArcNSC.cs" />
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<Compile Include="Nekotaro\ImageGCmp.cs" />
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<Compile Include="PlanTech\ArcPAC.cs" />
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<None Include="PlanTech\ImagePAC.cs" />
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<Compile Include="Pochette\ImageGDT.cs" />
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<Compile Include="ProjectMyu\ImageKGR.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="QSoft\ImageBPE.cs" />
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@ -90,7 +98,10 @@
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<Compile Include="System21\ImageBET.cs" />
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<Compile Include="SystemAqua\ArcDAT.cs" />
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<Compile Include="Tsd\ArcMCD.cs" />
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<Compile Include="Uran\ArcNCL.cs" />
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<Compile Include="Uran\ArcPHS.cs" />
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<Compile Include="Weapon\ArcDAT.cs" />
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<Compile Include="Weapon\ArcVoice.cs" />
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<Compile Include="WestGate\ArcUCA.cs" />
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<Compile Include="WestGate\ArcUSF.cs" />
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<Compile Include="WestGate\ArcUWF.cs" />
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@ -108,7 +119,9 @@
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<Name>GameRes</Name>
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</ProjectReference>
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</ItemGroup>
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<ItemGroup />
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<ItemGroup>
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<Folder Include="PenguinWorks\" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<PropertyGroup>
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<PreBuildEvent>perl "$(SolutionDir)inc-revision.pl" "$(ProjectPath)" $(ConfigurationName)
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