mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-29 14:24:13 +08:00
327 lines
12 KiB
C#
327 lines
12 KiB
C#
//! \file ArcSeraph.cs
|
|
//! \date Fri Jul 17 13:47:34 2015
|
|
//! \brief Seraphim engine resource archives.
|
|
//
|
|
// Copyright (C) 2015-2017 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.Linq;
|
|
using System.Windows.Media;
|
|
using GameRes.Compression;
|
|
|
|
namespace GameRes.Formats.Seraphim
|
|
{
|
|
internal class ArchEntry : PackedEntry
|
|
{
|
|
public short DirIndex;
|
|
public short FileIndex;
|
|
}
|
|
|
|
[Serializable]
|
|
public class SeraphScheme : ResourceScheme
|
|
{
|
|
public IDictionary<string, ArchPacScheme> KnownSchemes;
|
|
}
|
|
|
|
[Serializable]
|
|
public class ArchPacScheme
|
|
{
|
|
public long IndexOffset;
|
|
public short EventDir;
|
|
public IDictionary<short, short> EventMap;
|
|
}
|
|
|
|
internal class SeraphArchive : ArcFile
|
|
{
|
|
public readonly short EventDir;
|
|
public readonly IDictionary<short, short> EventMap;
|
|
|
|
public SeraphArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, ArchPacScheme scheme)
|
|
: base (arc, impl, dir)
|
|
{
|
|
EventDir = scheme.EventDir;
|
|
EventMap = scheme.EventMap;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// this archive format has different index offsets hardcoded into game executable.
|
|
/// </summary>
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class ArchPacOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "SERAPH/ARCH"; } }
|
|
public override string Description { get { return "Seraphim engine resource archive"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
public bool IsAmbiguous { get { return true; } }
|
|
|
|
public ArchPacOpener ()
|
|
{
|
|
Extensions = new string[] { "dat" };
|
|
}
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
if (file.MaxOffset > uint.MaxValue
|
|
|| !VFS.IsPathEqualsToFileName (file.Name, "ArchPac.dat"))
|
|
return null;
|
|
foreach (var scheme in KnownSchemes.Values.Where (s => s.IndexOffset < file.MaxOffset).OrderBy (s => s.IndexOffset))
|
|
{
|
|
var dir = ReadIndex (file, scheme.IndexOffset, file.MaxOffset);
|
|
if (dir != null)
|
|
{
|
|
if (scheme.EventMap != null)
|
|
return new SeraphArchive (file, this, dir, scheme);
|
|
else
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
}
|
|
var scnpac_name = VFS.ChangeFileName (file.Name, "ScnPac.dat");
|
|
if (!VFS.FileExists (scnpac_name))
|
|
return null;
|
|
using (var scnpac = VFS.OpenView (scnpac_name))
|
|
{
|
|
uint first_offset = scnpac.View.ReadUInt32 (4);
|
|
uint index_offset = scnpac.View.ReadUInt32 (first_offset-4);
|
|
var dir = ReadIndex (scnpac, index_offset, file.MaxOffset);
|
|
if (dir != null)
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
// 3 @ ScnPac.Dat : FF 18 05 XX XX XX XX
|
|
// FF 16 05 XX XX XX XX
|
|
|
|
List<Entry> ReadIndex (ArcView file, long index_offset, long max_offset)
|
|
{
|
|
int base_count = file.View.ReadInt32 (index_offset);
|
|
int file_count = file.View.ReadInt32 (index_offset + 4);
|
|
index_offset += 8;
|
|
if (base_count <= 0 || base_count > 0x40 || !IsSaneCount (file_count))
|
|
return null;
|
|
var base_offsets = new List<Tuple<uint, int>> (base_count);
|
|
int total_count = 0;
|
|
for (int i = 0; i < base_count; ++i)
|
|
{
|
|
uint offset = file.View.ReadUInt32 (index_offset);
|
|
int count = file.View.ReadInt32 (index_offset+4);
|
|
if (count <= 0 || count > file_count || offset > max_offset)
|
|
return null;
|
|
total_count += count;
|
|
if (total_count > file_count)
|
|
return null;
|
|
base_offsets.Add (Tuple.Create (offset, count));
|
|
index_offset += 8;
|
|
}
|
|
if (total_count != file_count)
|
|
return null;
|
|
var dir = new List<Entry> (file_count);
|
|
for (int j = base_count-1; j >= 0; --j)
|
|
{
|
|
uint next_offset = file.View.ReadUInt32 (index_offset);
|
|
index_offset += 4;
|
|
for (int i = 0; i < base_offsets[j].Item2; ++i)
|
|
{
|
|
var entry = new ArchEntry {
|
|
Name = FormatEntryName (j, i),
|
|
Type = "image",
|
|
DirIndex = (short)j,
|
|
FileIndex = (short)i,
|
|
Offset = next_offset,
|
|
};
|
|
next_offset = file.View.ReadUInt32 (index_offset);
|
|
index_offset += 4;
|
|
if (next_offset < entry.Offset)
|
|
return null;
|
|
entry.Size = (uint)(next_offset - entry.Offset);
|
|
entry.Offset += base_offsets[j].Item1;
|
|
if (!entry.CheckPlacement (max_offset))
|
|
return null;
|
|
if (entry.Size > 0)
|
|
dir.Add (entry);
|
|
}
|
|
}
|
|
if (0 == dir.Count)
|
|
return null;
|
|
return dir;
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
if (0 == entry.Size)
|
|
return Stream.Null;
|
|
var input = arc.File.CreateStream (entry.Offset, entry.Size);
|
|
var pent = entry as PackedEntry;
|
|
if (null == pent)
|
|
return input;
|
|
if (0x9C78 == (input.Signature & 0xFFFF))
|
|
{
|
|
pent.IsPacked = true;
|
|
return new ZLibStream (input, CompressionMode.Decompress);
|
|
}
|
|
if (1 == input.Signature && arc.File.View.ReadByte (entry.Offset+4) == 0x78)
|
|
{
|
|
pent.IsPacked = true;
|
|
input.Position = 4;
|
|
return new ZLibStream (input, CompressionMode.Decompress);
|
|
}
|
|
return input;
|
|
}
|
|
|
|
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
|
|
{
|
|
var sarc = arc as SeraphArchive;
|
|
var aent = entry as ArchEntry;
|
|
if (null == sarc || null == aent || null == sarc.EventMap
|
|
|| aent.DirIndex != sarc.EventDir || !sarc.EventMap.ContainsKey (aent.FileIndex))
|
|
return OpenRawImage (arc, entry);
|
|
var base_index = sarc.EventMap[aent.FileIndex];
|
|
var base_entry = sarc.Dir.Cast<ArchEntry>()
|
|
.FirstOrDefault (e => e.DirIndex == sarc.EventDir && e.FileIndex == base_index);
|
|
if (null == base_entry)
|
|
return base.OpenImage (arc, entry);
|
|
var base_img = OpenCtImage (arc, base_entry);
|
|
if (null == base_img)
|
|
return base.OpenImage (arc, entry);
|
|
var input = arc.OpenBinaryEntry (entry);
|
|
return new CtOverlayDecoder (input, base_img);
|
|
}
|
|
|
|
IImageDecoder OpenRawImage (ArcFile arc, Entry entry)
|
|
{
|
|
var input = arc.OpenBinaryEntry (entry);
|
|
try
|
|
{
|
|
uint width = input.ReadUInt16();
|
|
uint height = input.ReadUInt16();
|
|
if (width > 0x4100 || 0 == width || 0 == height || width * height * 3 + 4 != input.Length)
|
|
{
|
|
input.Position = 0;
|
|
return new ImageFormatDecoder (input);
|
|
}
|
|
else
|
|
{
|
|
var info = new ImageMetaData { Width = width, Height = height, BPP = 24 };
|
|
return new RawBitmapDecoder (input, info);
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
input.Dispose();
|
|
throw;
|
|
}
|
|
}
|
|
|
|
SeraphReader OpenCtImage (ArcFile arc, Entry entry)
|
|
{
|
|
using (var input = arc.OpenBinaryEntry (entry))
|
|
{
|
|
if (input.Signature != CtFormat.Value.Signature)
|
|
return null;
|
|
var info = CtFormat.Value.ReadMetaData (input) as SeraphMetaData;
|
|
if (null == info)
|
|
return null;
|
|
var reader = new SeraphReader (input.AsStream, info);
|
|
reader.UnpackCt();
|
|
return reader;
|
|
}
|
|
}
|
|
|
|
internal static string FormatEntryName (int dir_index, int file_index)
|
|
{
|
|
return string.Format ("{0}-{1:D5}.cts", dir_index, file_index);
|
|
}
|
|
|
|
internal static ResourceInstance<ImageFormat> CtFormat = new ResourceInstance<ImageFormat> ("CT");
|
|
|
|
SeraphScheme m_scheme = new SeraphScheme { KnownSchemes = new Dictionary<string, ArchPacScheme>() };
|
|
|
|
public override ResourceScheme Scheme
|
|
{
|
|
get { return m_scheme; }
|
|
set { m_scheme = (SeraphScheme)value; }
|
|
}
|
|
|
|
public IDictionary<string, ArchPacScheme> KnownSchemes { get { return m_scheme.KnownSchemes; } }
|
|
}
|
|
|
|
internal class CtOverlayDecoder : BinaryImageDecoder
|
|
{
|
|
SeraphReader m_baseline;
|
|
|
|
public CtOverlayDecoder (IBinaryStream input, SeraphReader baseline)
|
|
: base (input, baseline.Info)
|
|
{
|
|
m_baseline = baseline;
|
|
}
|
|
|
|
protected override ImageData GetImageData ()
|
|
{
|
|
var info = ArchPacOpener.CtFormat.Value.ReadMetaData (m_input) as SeraphMetaData;
|
|
if (null == info)
|
|
return ImageFormat.Read (m_input);
|
|
var overlay = new SeraphReader (m_input.AsStream, info);
|
|
overlay.UnpackCt();
|
|
var dst = m_baseline.Data;
|
|
var src = overlay.Data;
|
|
if (dst.Length != src.Length)
|
|
return ImageData.Create (overlay.Info, PixelFormats.Bgra32, null, src);
|
|
for (int i = 0; i < src.Length; i += 4)
|
|
{
|
|
if (src[i+3] != 0)
|
|
{
|
|
dst[i ] = src[i ];
|
|
dst[i+1] = src[i+1];
|
|
dst[i+2] = src[i+2];
|
|
dst[i+3] = src[i+3];
|
|
}
|
|
else
|
|
{
|
|
dst[i+3] = 0xFF;
|
|
}
|
|
}
|
|
return ImageData.Create (Info, PixelFormats.Bgra32, null, dst);
|
|
}
|
|
}
|
|
|
|
internal class RawBitmapDecoder : BinaryImageDecoder
|
|
{
|
|
public RawBitmapDecoder (IBinaryStream input, ImageMetaData info) : base (input, info)
|
|
{
|
|
}
|
|
|
|
protected override ImageData GetImageData ()
|
|
{
|
|
m_input.Position = 4;
|
|
int stride = (int)Info.Width * 3;
|
|
var pixels = m_input.ReadBytes ((int)Info.Height * stride);
|
|
return ImageData.Create (Info, PixelFormats.Bgr24, null, pixels, stride);
|
|
}
|
|
}
|
|
}
|