GARbro-mirror/Legacy/Aaru/ArcFL3.cs
2018-08-20 14:41:38 +04:00

79 lines
3.3 KiB
C#

//! \file ArcFL3.cs
//! \date 2018 Aug 16
//! \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.Collections.Generic;
using System.ComponentModel.Composition;
// [030620][Piyopiyo-Gumi] Senryaku Musume 2
namespace GameRes.Formats.Aaru
{
[Export(typeof(ArchiveFormat))]
public class Fl3Opener : Fl4Opener
{
public override string Tag { get { return "FL3/AARU"; } }
public override string Description { get { return "Aaru resource archive"; } }
public override uint Signature { get { return 0x2E334C46; } } // 'FL3.0'
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);
int count = file.View.ReadInt32 (0x12);
if (index_offset + index_size > file.MaxOffset || !IsSaneCount (count))
return null;
ushort key = file.View.ReadUInt16 (0x16);
ushort flags = file.View.ReadUInt16 (0x18);
using (var index = file.CreateStream (index_offset, index_size))
{
var dir = new List<Entry>();
for (int i = 0; i < count; ++i)
{
uint size = index.ReadUInt32();
if (uint.MaxValue == size)
break;
int name_length = index.ReadUInt8();
var name = index.ReadCString (name_length);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = data_offset;
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
data_offset += size;
dir.Add (entry);
}
if (0 == dir.Count)
return null;
return new ArcFile (file, this, dir);
}
}
}
}