GARbro-mirror/ArcFormats/Xuse/ArcNT.cs

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//! \file ArcNT.cs
//! \date 2023 Oct 17
//! \brief Xuse resource archive.
//
// Copyright (C) 2023 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;
namespace GameRes.Formats.Xuse
{
[Export(typeof(ArchiveFormat))]
public class BgOpener : ArchiveFormat
{
public override string Tag => "BG/Xuse";
public override string Description => "Xuse bitmap archive";
public override uint Signature => 0;
public override bool IsHierarchic => false;
public override bool CanWrite => false;
public BgOpener ()
{
Extensions = new[] { "" };
}
public override ArcFile TryOpen (ArcView file)
{
var arc_name = Path.GetFileName (file.Name);
if (!arc_name.StartsWith ("bg00", StringComparison.OrdinalIgnoreCase) &&
!arc_name.StartsWith ("sbg", StringComparison.OrdinalIgnoreCase))
return null;
long rem;
uint entry_size = arc_name[0] == 's' ? 0x96400u : 0x4B400u;
int count = (int)Math.DivRem (file.MaxOffset, entry_size, out rem);
if (rem != 0 || !IsSaneCount (count))
return null;
uint offset = 0;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new Entry {
Name = string.Format ("{0}#{1:D4}", arc_name, i),
Type = "image",
Offset = offset,
Size = entry_size,
};
dir.Add (entry);
offset += entry_size;
}
return new ArcFile (file, this, dir);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
uint height = entry.Size == 0x4B400u ? 480u : 960u;
var info = new ImageMetaData { Width = 640, Height = height, BPP = 8 };
return new BgImageDecoder (input, info);
}
}
internal class BgImageDecoder : BinaryImageDecoder
{
public BgImageDecoder (IBinaryStream input, ImageMetaData info) : base (input, info)
{
}
protected override ImageData GetImageData ()
{
m_input.Position = 0;
var pixels = m_input.ReadBytes (Info.iWidth * Info.iHeight);
var palette = ImageFormat.ReadPalette (m_input.AsStream);
return ImageData.CreateFlipped (Info, PixelFormats.Indexed8, palette, pixels, Info.iWidth);
}
}
[Export(typeof(ArchiveFormat))]
public class HOpener : ArchiveFormat
{
public override string Tag => "H/Xuse";
public override string Description => "Xuse bitmap archive";
public override uint Signature => 0;
public override bool IsHierarchic => false;
public override bool CanWrite => false;
public HOpener ()
{
Extensions = new[] { "" };
}
public override ArcFile TryOpen (ArcView file)
{
var arc_name = Path.GetFileName (file.Name);
if (!arc_name.StartsWith ("H", StringComparison.OrdinalIgnoreCase))
return null;
long rem;
uint entry_size = arc_name.EndsWith ("W") ? 0x2A700u : 0x25480u;
int count = (int)Math.DivRem (file.MaxOffset, entry_size, out rem);
if (!IsSaneCount (count) || rem != 0)
return null;
uint offset = 0;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new Entry {
Name = string.Format ("{0}#{1:D4}", arc_name, i),
Type = "image",
Offset = offset,
Size = entry_size,
};
dir.Add (entry);
offset += entry_size;
}
return new ArcFile (file, this, dir);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
uint width = entry.Size == 0x25480u ? 280u : 320u;
var info = new ImageMetaData { Width = width, Height = 480, BPP = 8 };
return new HImageDecoder (input, info);
}
}
internal class HImageDecoder : BinaryImageDecoder
{
public HImageDecoder (IBinaryStream input, ImageMetaData info) : base (input, info)
{
}
protected override ImageData GetImageData ()
{
m_input.Position = 0;
int stride8bpp = Info.iWidth;
int alpha_stride = (Info.iWidth / 8 + 1) & -2;
var pixels = m_input.ReadBytes (stride8bpp * Info.iHeight);
var alpha = m_input.ReadBytes (alpha_stride * Info.iHeight);
m_input.Seek (-0x400, SeekOrigin.End);
var palette = ImageFormat.ReadPalette (m_input.AsStream);
int stride32bpp = Info.iWidth * 4;
var bgra = new byte[stride32bpp * Info.iHeight];
var colors = palette.Colors;
int src = pixels.Length - stride8bpp;
int asrc = alpha.Length - alpha_stride;
int dst_row = 0;
for (int y = 0; y < Info.iHeight; ++y)
{
int dst = dst_row;
for (int x = 0; x < Info.iWidth; ++x)
{
var c = colors[pixels[src+x]];
bgra[dst ] = c.B;
bgra[dst+1] = c.G;
bgra[dst+2] = c.R;
int A = (alpha[asrc + (x >> 3)] << (x & 7)) & 0x80;
bgra[dst+3] = (byte)(A == 0 ? 0xFF : 0);
dst += 4;
}
src -= stride8bpp;
asrc -= alpha_stride;
dst_row += stride32bpp;
}
return ImageData.Create (Info, PixelFormats.Bgra32, null, bgra, stride32bpp);
}
}
}