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//! \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),
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);
}
}
}