GARbro-mirror/ArcFormats/Tanaka/ArcSMV.cs

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2017-02-02 15:03:09 +08:00
//! \file ArcSMV.cs
//! \date Wed Feb 01 09:03:04 2017
//! \brief Animation resource by Tanaka Tatsuhiro.
//
// Copyright (C) 2017 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.Windows.Media;
using System.Windows.Media.Imaging;
namespace GameRes.Formats.Will
{
[Export(typeof(ArchiveFormat))]
public class SmvOpener : ArchiveFormat
{
public override string Tag { get { return "SMV"; } }
public override string Description { get { return "Tanaka Tatsuhiro's engine animation resource"; } }
public override uint Signature { get { return 0x31564D53; } } // 'SMV1'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
if (file.View.ReadUInt32 (4) != file.MaxOffset)
return null;
int count = file.View.ReadInt32 (8);
if (!IsSaneCount (count))
return null;
uint index_offset = 0x40;
uint header_size = file.View.ReadUInt32 (index_offset);
int bpp = file.View.ReadInt32 (index_offset+0xE);
if (bpp != 8)
return null;
index_offset += header_size + 4;
var palette = ImageFormat.ReadPalette (file, index_offset);
index_offset += 0x400;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new Entry
{
Name = string.Format ("{0}#{1:D2}", base_name, i),
Type = "image",
Offset = file.View.ReadUInt32 (index_offset),
Size = file.View.ReadUInt32 (index_offset+4),
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x10;
}
return new SmvArchive (file, this, dir, palette);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
if (!arc.File.View.AsciiEqual (entry.Offset, "TX04"))
throw new InvalidFormatException();
var smv = (SmvArchive)arc;
var input = arc.File.CreateStream (entry.Offset, entry.Size);
return new SmvFrameDecoder (input, smv.Palette);
}
}
internal class SmvFrameDecoder : BinaryImageDecoder
{
readonly BitmapPalette Palette;
public SmvFrameDecoder (IBinaryStream input, BitmapPalette palette) : base (input)
{
Palette = palette;
}
protected override ImageData GetImageData ()
{
m_input.Position = 4;
var info = new TxMetaData { BPP = 8, Colors = 0x100 };
this.Info = info;
info.Stride = m_input.ReadUInt16();
info.Height = m_input.ReadUInt16();
info.Width = (uint)info.Stride;
info.DataOffset = m_input.Position;
var reader = new TxReader (m_input, info);
var pixels = reader.Unpack();
return ImageData.CreateFlipped (Info, PixelFormats.Indexed8, Palette, pixels, info.Stride);
}
public static void BlendFrames (byte[] key_frame, byte[] overlay)
{
for (int i = 0; i < overlay.Length; ++i)
{
if (0xFF != overlay[i])
key_frame[i] = overlay[i];
}
}
}
internal class SmvArchive : ArcFile
{
public readonly BitmapPalette Palette;
public SmvArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, BitmapPalette palette)
: base (arc, impl, dir)
{
Palette = palette;
}
}
}