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mirror of https://github.com/crskycode/GARbro.git synced 2024-12-24 03:44:13 +08:00

105 lines
4.2 KiB
C#

//! \file ArcPAC.cs
//! \date 2018 Oct 21
//! \brief Penguin Works 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.Formats.UMeSoft;
// [020809][Penguin Works] Ryouki no Ori Dai 4 Shou
namespace GameRes.Formats.PenguinWorks
{
[Export(typeof(ArchiveFormat))]
public class PacOpener : ArchiveFormat
{
public override string Tag { get { return "PAC/PENGUIN"; } }
public override string Description { get { return "Penguin Works resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
static readonly Dictionary<string, string> ContentFormats = new Dictionary<string, string> {
{ "TAK", "BIN" },
{ "VIS", "BMP" },
{ "EFT", "WAV" },
{ "BGM", "STR" },
};
public override ArcFile TryOpen (ArcView file)
{
if (!file.Name.HasExtension (".pac"))
return null;
int count = file.View.ReadInt32 (0);
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name).ToUpperInvariant();
var name_format = base_name + "{0:D4}";
if (ContentFormats.ContainsKey (base_name))
name_format += '.' + ContentFormats[base_name];
uint index_offset = 4;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint id = file.View.ReadUInt32 (index_offset);
var name = string.Format (name_format, id);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset+4);
entry.Size = file.View.ReadUInt32 (index_offset+8);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 12;
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var pent = (PackedEntry)entry;
var input = arc.File.CreateStream (entry.Offset, entry.Size);
if (!pent.IsPacked)
{
var header = input.ReadHeader (13);
if (!header.AsciiEqual (2, "ike"))
{
input.Position = 0;
return input;
}
pent.IsPacked = true;
pent.UnpackedSize = (uint)IkeReader.DecodeSize (header[10], header[11], header[12]);
}
using (input)
{
input.Position = 13;
var reader = new IkeReader (input, (int)pent.UnpackedSize);
var data = reader.Unpack();
return new BinMemoryStream (data, entry.Name);
}
}
}
}