GARbro-mirror/Legacy/SplushWave/ArcDAT.cs

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2023-08-24 05:33:50 +08:00
//! \file ArcDAT.cs
//! \date 2023 Aug 14
//! \brief Splush Wave 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;
// [030817][Splush Wave] Knock Out -Taisengata Datsui Mahjong-
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namespace GameRes.Formats.SplushWave
{
internal class FlkEntry : Entry
{
public byte Flags;
}
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/FLK"; } }
public override string Description { get { return "Splush Wave resource archive"; } }
public override uint Signature { get { return 0x4B4C46; } } // 'FLK'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
uint arc_size = file.View.ReadUInt32 (0x14);
if (arc_size != file.MaxOffset)
return null;
int count = file.View.ReadInt32 (0x18);
if (!IsSaneCount (count))
return null;
uint index_offset = 0x20;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new FlkEntry {
Name = string.Format ("{0}#{1:D4}", base_name, i),
Offset = file.View.ReadUInt32 (index_offset),
Size = file.View.ReadUInt32 (index_offset+4),
Flags = file.View.ReadByte (index_offset+0xF),
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x10;
}
foreach (var entry in dir)
{
var type = file.View.ReadUInt32 (entry.Offset);
if (0x475753 == type || 0x475753 == (type >> 8))
entry.Type = "image";
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var fent = (FlkEntry)entry;
var input = arc.File.CreateStream (entry.Offset, entry.Size);
if ((fent.Flags & 1) != 0)
{
using (input)
{
return LzssUnpack (input);
}
}
return input;
}
internal Stream LzssUnpack (IBinaryStream input)
{
var frame = new byte[0x400];
var output = new byte[0x200000];
int dst = 0;
int frame_pos = 0x3BE;
int ctl = 0;
while (input.PeekByte() != -1)
{
ctl >>= 1;
if (0 == (ctl & 0x100))
{
ctl = input.ReadByte() | 0xFF00;
}
if (0 == (ctl & 1))
{
int next = input.ReadByte();
if (-1 == next)
break;
output[dst++] = frame[frame_pos++ & 0x3FF] = (byte)next;
}
else
{
int lo = input.ReadByte();
int hi = input.ReadByte();
if (lo == -1 || hi == -1)
break;
int offset = lo + ((hi & 0xC0) << 2);
int count = (hi & 0x3F) + 3;
while (count --> 0)
{
output[dst++] = frame[frame_pos++ & 0x3FF] = frame[offset++ & 0x3FF];
}
}
}
return new BinMemoryStream (output, 0, dst);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var fent = (FlkEntry)entry;
var input = BinaryStream.FromStream (OpenEntry (arc, fent), fent.Name);
if ((fent.Flags & 0x10) == 0)
return ImageFormatDecoder.Create (input);
try
{
var info = Swg.ReadMetaData (input) as SwgMetaData;
if (null == info)
{
input.Position = 0;
return new ImageFormatDecoder(input);
}
return new Swg1ImageDecoder (input, info);
}
catch
{
input.Dispose();
throw;
}
}
static readonly ResourceInstance<SwgFormat> s_swg = new ResourceInstance<SwgFormat> ("SWG");
internal static SwgFormat Swg { get => s_swg.Value; }
}
internal sealed class Swg1ImageDecoder : BinaryImageDecoder
{
SwgMetaData m_info;
public Swg1ImageDecoder (IBinaryStream input, SwgMetaData info) : base (input, info)
{
SourceFormat = DatOpener.Swg;
m_info = info;
}
static readonly byte[] PlaneMap = { 3, 2, 1, 0 };
protected override ImageData GetImageData ()
{
m_input.Position = m_info.DataOffset;
int stride = 4 * m_info.iWidth;
int plane_size = m_info.iWidth * m_info.iHeight;
var output = new byte[stride * m_info.iHeight];
ushort[] ctl_buf = new ushort[m_info.iHeight];
for (int c = 0; c < 4; ++c)
{
int compress_method = ReadU16BE();
if (0 == compress_method)
{
int dst = PlaneMap[c] + stride * (m_info.iHeight - 1);
for (int y = 0; y < m_info.iHeight; ++y)
{
for (int x = 0; x < stride; x += 4)
{
output[dst+x] = m_input.ReadUInt8();
}
dst -= stride;
}
continue;
}
if (compress_method != 1)
throw new InvalidFormatException();
for (int y = 0; y < m_info.iHeight; ++y)
{
ctl_buf[y] = ReadU16BE();
}
int row = PlaneMap[c];
for (int y = 0; y < m_info.iHeight; ++y)
{
int dst = row;
int row_size = ctl_buf[y];
SwgFormat.DecompressRow (m_input, row_size, output, dst, 4);
row += stride;
}
}
return ImageData.Create (m_info, PixelFormats.Bgra32, null, output, stride);
}
ushort ReadU16BE ()
{
ushort le = m_input.ReadUInt16();
return (ushort)(le >> 8 | le << 8);
}
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}
}