diff --git a/Legacy/Inspire/ArcIDA.cs b/Legacy/Inspire/ArcIDA.cs new file mode 100644 index 00000000..1fe7c8df --- /dev/null +++ b/Legacy/Inspire/ArcIDA.cs @@ -0,0 +1,230 @@ +//! \file ArcIDA.cs +//! \date 2018 Jan 14 +//! \brief Inspire resource archive. +// +// Copyright (C) 2018 by morkt +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to +// deal in the Software without restriction, including without limitation the +// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +// sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +// IN THE SOFTWARE. +// + +using System; +using System.Collections.Generic; +using System.ComponentModel.Composition; +using System.IO; +using System.Text; +using GameRes.Compression; + +// [000707][inspire] ambience + +namespace GameRes.Formats.Inspire +{ + internal class IdaEntry : Entry + { + public uint Flags; + public uint Key; + } + + [Export(typeof(ArchiveFormat))] + public class PakOpener : ArchiveFormat + { + public override string Tag { get { return "IDA"; } } + public override string Description { get { return "Inspire resource archive"; } } + public override uint Signature { get { return 0x464158; } } // 'XAF' + public override bool IsHierarchic { get { return false; } } + public override bool CanWrite { get { return false; } } + + public override ArcFile TryOpen (ArcView file) + { + int version = file.View.ReadInt32 (4); + if (version > 0x011400) + return null; + using (var index = file.CreateStream()) + { + var dir = new List(); + long index_pos = 8; + for (;;) + { + index.Position = index_pos; + uint entry_length = index.ReadUInt32(); + if (0 == entry_length) + break; + uint offset = index.ReadUInt32(); + uint size = index.ReadUInt32(); + index.Seek (8, SeekOrigin.Current); + uint flags = index.ReadUInt32(); + uint key = index.ReadUInt32(); + index.Seek (0x10, SeekOrigin.Current); + var name = DeserializeString (index); + index_pos += entry_length; + + var entry = FormatCatalog.Instance.Create (name); + entry.Offset = offset; + entry.Size = size; + if (!entry.CheckPlacement (file.MaxOffset)) + return null; + entry.Flags = flags; + entry.Key = key; + dir.Add (entry); + } + if (0 == dir.Count) + return null; + return new ArcFile (file, this, dir); + } + } + + public override Stream OpenEntry (ArcFile arc, Entry entry) + { + var ient = entry as IdaEntry; + if (null == ient || 0 == ient.Flags) + return base.OpenEntry (arc, entry); + Stream input = arc.File.CreateStream (entry.Offset, entry.Size); + if (0 != (ient.Flags & 0xB)) + input = DecryptEntry (input, ient); + if (0 != (ient.Flags & 4)) + input = new PackedStream (input); + if (0 != (ient.Flags & 0x10)) + input = new ZLibStream (input, CompressionMode.Decompress); + return input; + } + + Stream DecryptEntry (Stream input, IdaEntry entry) + { + int input_size = (int)entry.Size; + var data = new byte[input_size]; + using (input) + input_size = input.Read (data, 0, input_size); + byte key = (byte)entry.Key; + for (int i = 0; i < input_size; ++i) + { + byte v = data[i]; + if (0 != (entry.Flags & 8)) + v += key; + if (0 != (entry.Flags & 2)) + v ^= key; + if (0 != (entry.Flags & 1)) + v ^= 0xFF; + data[i] = v; + key = v; + } + return new BinMemoryStream (data, 0, input_size, entry.Name); + } + + string DeserializeString (IBinaryStream input) + { + int length = DeserializeLength (input); + if (0 == length) + return ""; + if (length != -1) + return input.ReadCString (length); + length = DeserializeLength (input) * 2; + var chars = input.ReadBytes (length); + return Encoding.Unicode.GetString (chars, 0, length); + } + + int DeserializeLength (IBinaryStream input) + { + int length = input.ReadUInt8(); + if (length < 0xFF) + return length; + length = input.ReadUInt16(); + if (0xFFFE == length) + length = -1; + else if (0xFFFF == length) + length = input.ReadInt32(); + return length; + } + } + + internal class RleDecompressor : Decompressor + { + IBinaryStream m_input; + + public override void Initialize (Stream input) + { + m_input = BinaryStream.FromStream (input, ""); + } + + protected override IEnumerator Unpack () + { + int output_size = m_input.ReadInt32(); + int processed = 0; + while (processed < output_size) + { + int ctl = m_input.ReadByte(); + if (-1 == ctl) + yield break; + int count = 0; + if (0 == (ctl & 0x80)) + { + count = ctl & 0x3F; + } + else if (0 == (ctl & 3)) + { + count = m_input.ReadUInt8(); + } + else if (1 == (ctl & 3)) + { + count = m_input.ReadUInt16(); + } + else if (3 == (ctl & 3)) + { + count = m_input.ReadInt32(); + } + processed += count; + if (0 != (ctl & 0x40)) + { + byte v = m_input.ReadUInt8(); + while (count --> 0) + { + m_buffer[m_pos++] = v; + if (0 == --m_length) + yield return m_pos; + } + } + else + { + while (count > 0) + { + int avail = Math.Min (count, m_length); + int read = m_input.Read (m_buffer, m_pos, avail); + if (0 == read) + yield break; + count -= read; + m_pos += read; + m_length -= read; + if (0 == m_length) + yield return m_pos; + } + } + } + } + + bool m_disposed = false; + protected override void Dispose (bool disposing) + { + if (!m_disposed) + { + if (m_input != null) + m_input.Dispose(); + m_disposed = true; + base.Dispose (disposing); + } + } + } +} diff --git a/Legacy/Legacy.csproj b/Legacy/Legacy.csproj index d21fd6d0..29e2a90a 100644 --- a/Legacy/Legacy.csproj +++ b/Legacy/Legacy.csproj @@ -54,6 +54,7 @@ + @@ -70,6 +71,10 @@ + + + + @@ -78,6 +83,9 @@ + + + @@ -90,7 +98,10 @@ + + + @@ -108,7 +119,9 @@ GameRes - + + + perl "$(SolutionDir)inc-revision.pl" "$(ProjectPath)" $(ConfigurationName)