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implemented GAN animation resources.
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morkt
parent
381f24ba7c
commit
2b0fac06f9
@ -171,6 +171,7 @@
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<Compile Include="HCSystem\ArcPAK.cs" />
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<Compile Include="HCSystem\ImageOPF.cs" />
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<Compile Include="HuffmanCompression.cs" />
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<Compile Include="Ikura\ArcGAN.cs" />
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<Compile Include="Ikura\ArcTAN.cs" />
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<Compile Include="Ikura\ImageGGA.cs" />
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<Compile Include="Ikura\ImageGGS.cs" />
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225
ArcFormats/Ikura/ArcGAN.cs
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225
ArcFormats/Ikura/ArcGAN.cs
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@ -0,0 +1,225 @@
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//! \file ArcGAN.cs
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//! \date 2018 Sep 03
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//! \brief Ikura animation resource format.
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//
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// Copyright (C) 2018 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Linq;
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using System.Windows.Media;
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using GameRes.Utility;
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namespace GameRes.Formats.Ikura
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{
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internal class GanEntry : Entry
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{
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public int Index;
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public int Id;
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public int Ref;
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}
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[Export(typeof(ArchiveFormat))]
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public class GanOpener : ArchiveFormat
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{
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public override string Tag { get { return "GAN"; } }
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public override string Description { get { return "IKURA GDL engine animation resource"; } }
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public override uint Signature { get { return 0x4D4E4147; } } // 'GANM0100'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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if (!file.View.AsciiEqual (4, "0100"))
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return null;
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int count = file.View.ReadInt32 (12);
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if (!IsSaneCount (count))
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return null;
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var base_name = Path.GetFileNameWithoutExtension (file.Name);
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uint index_offset = 0x2010;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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var entry = new GanEntry {
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Name = string.Format ("{0}#{1:D2}", base_name, i),
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Type = "image",
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Index = i,
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Id = file.View.ReadInt32 (index_offset),
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Ref = file.View.ReadInt32 (index_offset+4),
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Offset = file.View.ReadUInt32 (index_offset+8),
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Size = file.View.ReadUInt32 (index_offset+12),
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};
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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dir.Add (entry);
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index_offset += 0x10;
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}
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return new GanFrameArchive (file, this, dir);
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}
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public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
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{
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var garc = (GanFrameArchive)arc;
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var gent = (GanEntry)entry;
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var pixels = garc.GetFrame (gent);
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return new Entis.BitmapDecoder (pixels, garc.Info, PixelFormats.Bgr24, null);
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}
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}
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internal class GanFrameArchive : ArcFile
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{
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public readonly ImageMetaData Info;
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byte[][] Frames;
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public GanFrameArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir)
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: base (arc, impl, dir)
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{
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Info = new ImageMetaData { Width = 640, Height = 480, BPP = 24 };
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Frames = new byte[dir.Count][];
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}
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public byte[] GetFrame (GanEntry entry)
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{
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int index = entry.Index;
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if (Frames[index] != null)
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return Frames[index];
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byte[] ref_frame = null;
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if (entry.Ref != 0)
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{
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var ref_entry = Dir.Cast<GanEntry>().FirstOrDefault (e => e.Id == entry.Ref);
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if (ref_entry != null && ref_entry != entry)
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ref_frame = GetFrame (ref_entry);
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}
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using (var stream = File.CreateStream (entry.Offset, entry.Size))
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{
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byte[] pixels;
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if (ref_frame != null)
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{
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pixels = ref_frame.Clone() as byte[];
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UnpackRefFrame (stream, pixels);
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}
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else
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{
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pixels = new byte[(int)Info.Width * (int)Info.Height * 3];
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UnpackKeyFrame (stream, pixels);
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}
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Frames[index] = pixels;
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return pixels;
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}
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}
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void UnpackKeyFrame (IBinaryStream input, byte[] output)
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{
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int last = -1;
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int dst = 0;
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while (dst < output.Length)
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{
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if (input.Read (output, dst, 3) < 3)
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break;
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int color = output[dst] | output[dst+1] << 8 | output[dst+2] << 16;
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dst += 3;
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if (color == last)
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{
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int count = ReadInteger (input);
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if (-1 == count)
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break;
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if (count > 2)
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{
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count = Math.Min ((count - 2) * 3, output.Length - dst);
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Binary.CopyOverlapped (output, dst - 3, dst, count);
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dst += count;
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}
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}
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last = color;
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}
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}
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void UnpackRefFrame (IBinaryStream input, byte[] output)
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{
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int header_size = input.ReadInt32();
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if (header_size < 4)
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throw new InvalidFormatException();
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var header = input.ReadBytes (header_size-4);
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using (var chunks = new BinMemoryStream (header))
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{
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int count = 0;
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int last = -1;
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int dst = 0;
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while (dst < output.Length)
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{
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int length = ReadInteger (chunks);
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if (-1 == length)
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break;
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while (length --> 0)
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{
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if (0 == count)
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{
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input.Read (output, dst, 3);
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int color = output[dst] | output[dst+1] << 8 | output[dst+2] << 16;
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dst += 3;
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if (color == last)
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{
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count = ReadInteger (input);
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if (-1 == count)
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return;
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if (count > 2)
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count -= 2;
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else
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count = 0;
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}
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last = color;
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}
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else
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{
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count--;
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output[dst++] = (byte)last;
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output[dst++] = (byte)(last >> 8);
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output[dst++] = (byte)(last >> 16);
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}
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}
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length = ReadInteger (chunks);
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if (-1 == length)
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break;
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length = Math.Min (length * 3, output.Length - dst);
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dst += length;
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}
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}
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}
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static int ReadInteger (IBinaryStream input)
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{
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int val = input.ReadByte();
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if (-1 == val)
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return val;
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if (val > 0x7F)
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{
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val = (val & 0x7F) << 8 | input.ReadUInt8();
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if (0x7FFF == val)
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val = input.ReadInt32();
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}
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return val;
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}
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}
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}
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