mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-05 03:15:36 +08:00
190 lines
7.0 KiB
C#
190 lines
7.0 KiB
C#
//! \file ArcFL4.cs
|
|
//! \date 2018 Jan 13
|
|
//! \brief Aaru resource archive.
|
|
//
|
|
// 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;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using GameRes.Compression;
|
|
|
|
// [021025][Aaru] Kokoro... II
|
|
// [030530][Aaru] Naked Edge
|
|
|
|
namespace GameRes.Formats.Aaru
|
|
{
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class Fl4Opener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "FL4/AARU"; } }
|
|
public override string Description { get { return "Aaru resource archive"; } }
|
|
public override uint Signature { get { return 0x2E344C46; } } // 'FL4.0'
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
if (file.View.ReadByte (4) != '0')
|
|
return null;
|
|
uint data_offset = file.View.ReadUInt16 (8);
|
|
uint index_size = file.View.ReadUInt32 (0xA);
|
|
long index_offset = file.View.ReadUInt32 (0xE);
|
|
if (index_offset + index_size > file.MaxOffset)
|
|
return null;
|
|
ushort key = file.View.ReadUInt16 (0x16);
|
|
ushort flags = file.View.ReadUInt16 (0x18);
|
|
var index = file.View.ReadBytes (index_offset, index_size);
|
|
int pos = index.ToInt32 (0);
|
|
if (pos <= 0)
|
|
return null;
|
|
var dir = new List<Entry>();
|
|
while (pos < index.Length)
|
|
{
|
|
uint offset = index.ToUInt32 (pos);
|
|
if (uint.MaxValue == offset)
|
|
break;
|
|
uint size = index.ToUInt32 (pos+4);
|
|
int name_length = index[pos+8];
|
|
pos += 9;
|
|
var name = Encodings.cp932.GetString (index, pos, name_length);
|
|
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
|
|
entry.Offset = offset + data_offset;
|
|
entry.Size = size;
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
dir.Add (entry);
|
|
pos += name_length;
|
|
}
|
|
if (0 == dir.Count)
|
|
return null;
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var pent = entry as PackedEntry;
|
|
if (null == pent || !pent.IsPacked)
|
|
{
|
|
if (arc.File.View.AsciiEqual (entry.Offset, "PD2A"))
|
|
{
|
|
pent.IsPacked = true;
|
|
pent.UnpackedSize = arc.File.View.ReadUInt32 (entry.Offset+12);
|
|
}
|
|
else if (arc.File.View.AsciiEqual (entry.Offset, "PD"))
|
|
{
|
|
pent.IsPacked = true;
|
|
pent.UnpackedSize = arc.File.View.ReadUInt32 (entry.Offset+6);
|
|
}
|
|
else if (arc.File.View.AsciiEqual (entry.Offset, "RD1.0"))
|
|
{
|
|
pent.IsPacked = true;
|
|
}
|
|
if (!pent.IsPacked)
|
|
return base.OpenEntry (arc, entry);
|
|
}
|
|
if (arc.File.View.AsciiEqual (entry.Offset, "PD2A"))
|
|
{
|
|
var input = arc.File.CreateStream (entry.Offset+16, entry.Size-16);
|
|
return new LzssStream (input);
|
|
}
|
|
else if (arc.File.View.AsciiEqual (entry.Offset, "PD"))
|
|
{
|
|
var input = arc.File.CreateStream (entry.Offset+10, entry.Size-10);
|
|
return new LzssStream (input);
|
|
}
|
|
else
|
|
{
|
|
uint offset = arc.File.View.ReadUInt16 (entry.Offset+6);
|
|
var input = arc.File.CreateStream (entry.Offset+offset, entry.Size-offset);
|
|
int rle_chunks = arc.File.View.ReadInt32 (entry.Offset+0xA);
|
|
return new RlePackedStream (input, rle_chunks);
|
|
}
|
|
}
|
|
}
|
|
|
|
internal class RlePackedStream : PackedStream<RleDecompressor>
|
|
{
|
|
public RlePackedStream (Stream input, int rle_chunks) : base (input)
|
|
{
|
|
Reader.Chunks = rle_chunks;
|
|
}
|
|
}
|
|
|
|
internal class RleDecompressor : Decompressor
|
|
{
|
|
IBinaryStream m_input;
|
|
|
|
public int Chunks { get; set; }
|
|
|
|
public override void Initialize (Stream input)
|
|
{
|
|
m_input = BinaryStream.FromStream (input, "");
|
|
}
|
|
|
|
protected override IEnumerator<int> Unpack ()
|
|
{
|
|
for (int i = 0; i < Chunks; ++i)
|
|
{
|
|
int ctl = m_input.ReadByte();
|
|
if (-1 == ctl)
|
|
yield break;
|
|
int count;
|
|
if (ctl <= 1)
|
|
{
|
|
if (0 == ctl)
|
|
count = m_input.ReadUInt8();
|
|
else
|
|
count = 0x100;
|
|
while (count > 0)
|
|
{
|
|
int avail = Math.Min (count, m_length);
|
|
int read = m_input.Read (m_buffer, m_pos, avail);
|
|
if (0 == read)
|
|
yield break;
|
|
count -= read;
|
|
m_pos += read;
|
|
m_length -= read;
|
|
if (0 == m_length)
|
|
yield return m_pos;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (3 == ctl)
|
|
count = m_input.ReadUInt16();
|
|
else
|
|
count = ctl;
|
|
byte v = m_input.ReadUInt8();
|
|
while (count --> 0)
|
|
{
|
|
m_buffer[m_pos++] = v;
|
|
if (0 == --m_length)
|
|
yield return m_pos;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|