//! \file ArcTAN.cs //! \date 2018 Jan 16 //! \brief D.O. animation resource format. // // 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.Collections.Generic; using System.ComponentModel.Composition; using System.IO; namespace GameRes.Formats.Ikura { internal class TanEntry : Entry { public int Index; } internal class TanArchive : ArcFile { public readonly TanMetaData Info; public TanArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, TanMetaData info) : base (arc, impl, dir) { Info = info; } } [Export(typeof(ArchiveFormat))] public class TanOpener : ArchiveFormat { public override string Tag { get { return "TAN/DO"; } } public override string Description { get { return "D.O. animation resource"; } } 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.HasExtension (".tan")) return null; int count = file.View.ReadInt16 (0); if (!IsSaneCount (count)) return null; uint index_pos = 2 + (uint)count * 4; var info = new TanMetaData { Width = file.View.ReadUInt16 (index_pos), Height = file.View.ReadUInt16 (index_pos+2), BPP = 8, DataOffset = index_pos + 4, }; index_pos += 0x404; count = file.View.ReadInt16 (index_pos); if (!IsSaneCount (count)) return null; index_pos += 2; var base_name = Path.GetFileNameWithoutExtension (file.Name); var base_offset = index_pos + 4 * count; var dir = new List<Entry> (count); for (int i = 0; i < count; ++i) { var entry = new TanEntry { Name = string.Format ("{0}#{1:D2}", base_name, i), Type = "image", Offset = base_offset + file.View.ReadUInt32 (index_pos), Index = i, }; dir.Add (entry); index_pos += 4; } for (int i = 1; i < count; ++i) { dir[i-1].Size = (uint)(dir[i].Offset - dir[i-1].Offset); if (!dir[i-1].CheckPlacement (file.MaxOffset)) return null; } dir[dir.Count-1].Size = (uint)(file.MaxOffset - dir[dir.Count-1].Offset); return new TanArchive (file, this, dir, info); } public override IImageDecoder OpenImage (ArcFile arc, Entry entry) { var tarc = (TanArchive)arc; var tent = (TanEntry)entry; var input = arc.File.CreateStream(); return new TanFrameDecoder (input, tarc.Info, tent.Index); } } internal class TanFrameDecoder : BinaryImageDecoder { int m_frame; TanReader m_reader; public TanFrameDecoder (IBinaryStream input, TanMetaData info, int frame) : base (input, info) { m_frame = frame; m_reader = new TanReader (m_input, info); } protected override ImageData GetImageData () { var pixels = m_reader.UnpackFrame (m_frame); return ImageData.Create (Info, m_reader.Format, m_reader.Palette, pixels); } } }