GARbro-mirror/Legacy/Pinpai/ArcARC.cs

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2018-03-12 00:42:31 +08:00
//! \file ArcARC.cs
//! \date 2018 Mar 04
//! \brief Pinpai 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;
using System.IO;
using GameRes.Compression;
// [020726][Pinpai] Court no Naka no Tenshi-tachi 2 ~Softball Hen~
namespace GameRes.Formats.Pinpai
{
[Export(typeof(ArchiveFormat))]
public class ArcOpener : ArchiveFormat
{
public override string Tag { get { return "ARC/arcx"; } }
public override string Description { get { return "Pinpai resource archive"; } }
public override uint Signature { get { return 0x78637261; } } // 'arcx'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
var arc_name = Path.GetFileNameWithoutExtension (file.Name).ToLowerInvariant();
bool is_compressed = arc_name != "wav";
uint index_offset = 0x10;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x10);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.Size = file.View.ReadUInt32 (index_offset+0x10);
entry.Offset = file.View.ReadUInt32 (index_offset+0x14);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
if (name.HasExtension (".b"))
entry.Type = "image";
entry.IsPacked = is_compressed;
dir.Add (entry);
index_offset += 0x20;
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var pent = entry as PackedEntry;
if (null == pent || !pent.IsPacked)
return arc.File.CreateStream (entry.Offset, entry.Size);
if (0 == pent.UnpackedSize)
pent.UnpackedSize = arc.File.View.ReadUInt32 (entry.Offset);
var input = arc.File.CreateStream (entry.Offset+4, entry.Size-4);
return new LzssStream (input);
}
}
}