diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj index 58d6e6e6..8712275b 100644 --- a/ArcFormats/ArcFormats.csproj +++ b/ArcFormats/ArcFormats.csproj @@ -247,6 +247,7 @@ + diff --git a/ArcFormats/Silky/ArcAzurite.cs b/ArcFormats/Silky/ArcAzurite.cs new file mode 100644 index 00000000..dae514c7 --- /dev/null +++ b/ArcFormats/Silky/ArcAzurite.cs @@ -0,0 +1,85 @@ +//! \file ArcAzurite.cs +//! \date Fri Dec 30 04:09:23 2016 +//! \brief Silky's resource archive. +// +// Copyright (C) 2016 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 GameRes.Utility; + +namespace GameRes.Formats.Silky +{ + [Export(typeof(ArchiveFormat))] + public class SilkyArcOpener : Ai6Opener + { + public override string Tag { get { return "ARC/AZURITE"; } } + public override string Description { get { return "Silky's resource archive"; } } + public override uint Signature { get { return 0; } } + public override bool IsHierarchic { get { return false; } } + public override bool CanWrite { get { return false; } } + + public override ArcFile TryOpen (ArcView file) + { + if (!file.Name.EndsWith (".arc", StringComparison.InvariantCultureIgnoreCase)) + return null; + uint index_size = file.View.ReadUInt32 (0); + if (index_size < 10 || index_size >= file.MaxOffset-4) + return null; + if (0 == file.View.ReadByte (4)) + return null; + + var dir = new List(); + using (var index = file.CreateStream (4, index_size)) + { + var name_buffer = new byte[0x100]; + while (index.PeekByte() != -1) + { + int name_length = index.ReadByte(); + if (0 == name_length) + return null; + if (name_length != index.Read (name_buffer, 0, name_length)) + return null; + DecryptName (name_buffer, name_length); + var name = Encodings.cp932.GetString (name_buffer, 0, name_length); + var entry = FormatCatalog.Instance.Create (name); + entry.Size = Binary.BigEndian (index.ReadUInt32()); + entry.UnpackedSize = Binary.BigEndian (index.ReadUInt32()); + entry.Offset = Binary.BigEndian (index.ReadUInt32()); + if (entry.Offset < index_size+4 || !entry.CheckPlacement (file.MaxOffset)) + return null; + entry.IsPacked = entry.Size != entry.UnpackedSize; + dir.Add (entry); + } + } + return new ArcFile (file, this, dir); + } + + static void DecryptName (byte[] buffer, int length) + { + byte key = (byte)length; + for (int i = 0; i < length; ++i) + buffer[i] += key--; + } + } +}