diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj index 5016f39a..980a4557 100644 --- a/ArcFormats/ArcFormats.csproj +++ b/ArcFormats/ArcFormats.csproj @@ -150,6 +150,7 @@ + diff --git a/ArcFormats/LiveMaker/ArcGALX.cs b/ArcFormats/LiveMaker/ArcGALX.cs new file mode 100644 index 00000000..b8581744 --- /dev/null +++ b/ArcFormats/LiveMaker/ArcGALX.cs @@ -0,0 +1,173 @@ +//! \file ArcGALX.cs +//! \date 2018 Feb 24 +//! \brief Multi-frame GALX image. +// +// 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.Xml; + +namespace GameRes.Formats.LiveMaker +{ + internal class GalXEntry : Entry + { + public GalReader.Frame Frame; + public GalXMetaData Info; + public bool AlphaOn; + } + + [Export(typeof(ArchiveFormat))] + public class GalXOpener : ArchiveFormat + { + public override string Tag { get { return "GAL/X"; } } + public override string Description { get { return "LiveMaker engine multi-frame image"; } } + public override uint Signature { get { return 0x656C6147; } } // 'GaleX200' + public override bool IsHierarchic { get { return false; } } + public override bool CanWrite { get { return false; } } + + public override ArcFile TryOpen (ArcView file) + { + if (!file.View.AsciiEqual (4, "X200")) + return null; + using (var gal = file.CreateStream()) + { + var info = GalXFormat.ReadMetaData (gal) as GalXMetaData; + if (null == info || !IsSaneCount (info.FrameCount)) + return null; + var base_name = Path.GetFileNameWithoutExtension (file.Name); + gal.Position = info.DataOffset; + var dir = new List (info.FrameCount); + foreach (XmlNode node in info.FrameXml.SelectNodes ("Frame")) + { + var layers = node.SelectSingleNode ("Layers"); + var attr = layers.Attributes; + int layer_count = Int32.Parse (attr["Count"].Value); + var frame = new GalReader.Frame (layer_count); + frame.Width = Int32.Parse (attr["Width"].Value); + frame.Height = Int32.Parse (attr["Height"].Value); + frame.BPP = Int32.Parse (attr["Bpp"].Value); + frame.SetStride(); + var entry = new GalXEntry { + Name = string.Format ("{0}#{1:D4}", base_name, dir.Count), + Type = "image", + Offset = gal.Position, + Frame = frame, + Info = info, + }; + if (frame.BPP <= 8) + gal.Seek ((1 << frame.BPP) * 4, SeekOrigin.Current); + bool alpha_set = false; + foreach (XmlNode layer in layers.SelectNodes ("Layer")) + { + attr = layer.Attributes; + bool alpha_on = attr["AlphaOn"].Value != "0"; + uint layer_size = gal.ReadUInt32(); + gal.Seek (layer_size, SeekOrigin.Current); + if (alpha_on) + { + uint alpha_size = gal.ReadUInt32(); + gal.Seek (alpha_size, SeekOrigin.Current); + } + if (!alpha_set) + { + entry.AlphaOn = alpha_on; + alpha_set = true; + } + } + entry.Size = (uint)(gal.Position - entry.Offset); + dir.Add (entry); + } + return new ArcFile (file, this, dir); + } + } + + public override IImageDecoder OpenImage (ArcFile arc, Entry entry) + { + var galx = (GalXEntry)entry; + var input = arc.File.CreateStream (entry.Offset, entry.Size); + return new GalXDecoder (input, galx); + } + + static readonly ResourceInstance s_GalXFormat = new ResourceInstance ("GAL/X200"); + + GalXFormat GalXFormat { get { return s_GalXFormat.Value; } } + } + + internal class GalXDecoder : GalXReader, IImageDecoder + { + ImageData m_image; + bool m_alpha_on; + + public Stream Source { get { m_input.Position = 0; return m_input.AsStream; } } + public ImageFormat SourceFormat { get { return null; } } + public ImageMetaData Info { get { return m_info; } } + + public ImageData Image { + get { + if (null == m_image) + { + UnpackFrame(); + m_image = ImageData.Create (Info, Format, Palette, Data, Stride); + } + return m_image; + } + } + + public GalXDecoder (IBinaryStream input, GalXEntry entry) : base (input, entry.Info, 0) + { + m_frames.Add (entry.Frame); + m_alpha_on = entry.AlphaOn; + } + + internal void UnpackFrame () + { + var frame = m_frames[0]; + frame.Layers.Clear(); + m_input.Position = 0; + if (frame.BPP <= 8) + frame.Palette = ImageFormat.ReadColorMap (m_input.AsStream, 1 << frame.BPP); + int layer_size = m_input.ReadInt32(); + var layer = new Layer(); + layer.Pixels = UnpackLayer (frame, layer_size); + if (m_alpha_on) + { + int alpha_size = m_input.ReadInt32(); + layer.Alpha = UnpackLayer (frame, alpha_size, true); + } + frame.Layers.Add (layer); + Flatten (0); + } + + bool m_disposed = false; + protected override void Dispose (bool disposing) + { + if (disposing && !m_disposed) + { + m_input.Dispose(); + m_disposed = true; + } + } + } +}