//! \file ArcKAR.cs //! \date Thu Dec 22 16:21:15 2016 //! \brief Cadath resource archive format. // // 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 System.IO; namespace GameRes.Formats.Cadath { [Export(typeof(ArchiveFormat))] public class KarOpener : ArchiveFormat { public override string Tag { get { return "KAR"; } } public override string Description { get { return "Cadath resource archive"; } } public override uint Signature { get { return 0x52414B; } } // 'KAR' public override bool IsHierarchic { get { return false; } } public override bool CanWrite { get { return false; } } public KarOpener () { Extensions = new string[] { "bin" }; } public override ArcFile TryOpen (ArcView file) { int count = file.View.ReadInt32 (4); if (!IsSaneCount (count)) return null; uint index_offset = 0xC; var dir = new List (count); for (int i = 0; i < count; ++i) { var name = file.View.ReadString (index_offset, 0x20); var entry = FormatCatalog.Instance.Create (name); entry.Size = file.View.ReadUInt32 (index_offset+0x20); entry.Offset = file.View.ReadUInt32 (index_offset+0x24); if (!entry.CheckPlacement (file.MaxOffset)) return null; dir.Add (entry); index_offset += 0x28; } return new ArcFile (file, this, dir); } public override Stream OpenEntry (ArcFile arc, Entry entry) { var input = arc.File.CreateStream (entry.Offset, entry.Size); if (!entry.Name.EndsWith (".ns6", StringComparison.InvariantCultureIgnoreCase)) return input; byte key = (byte)(entry.Size / 7); return new XoredStream (input, key); } } }