GARbro-mirror/ArcFormats/Nejii/ArcPCD.cs

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2017-01-24 13:57:03 +08:00
//! \file ArcPCD.cs
//! \date Tue Jan 24 06:49:35 2017
//! \brief NEJII engine audio archive.
//
// Copyright (C) 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;
namespace GameRes.Formats.Nejii
{
internal class PcdEntry : Entry
{
public byte[] WaveFormat;
}
[Export(typeof(ArchiveFormat))]
public class PcdOpener : ArchiveFormat
{
public override string Tag { get { return "PCD/NEJII"; } }
public override string Description { get { return "NEJII 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 override ArcFile TryOpen (ArcView file)
{
if (file.MaxOffset < 0x30 || !file.Name.EndsWith (".pcd", StringComparison.InvariantCultureIgnoreCase))
return null;
// check if first entry looks like WAVEFORMAT
ushort channels = file.View.ReadUInt16 (0x12);
if (0 == channels || channels > 2)
return null;
uint rate = file.View.ReadUInt32 (0x14);
uint bps = file.View.ReadUInt32 (0x18);
uint block_align = file.View.ReadUInt16 (0x1C);
if (block_align * rate != bps)
return null;
bps = file.View.ReadUInt16 (0x1E);
if (bps != 8 && bps != 16)
return null;
long offset = 0;
var dir = new List<Entry>();
while (offset < file.MaxOffset)
{
var name = file.View.ReadString (offset, 0x10);
var entry = FormatCatalog.Instance.Create<PcdEntry> (name);
entry.WaveFormat = file.View.ReadBytes (offset+0x10, 0x10);
entry.Offset = offset + 0x20;
entry.Size = file.View.ReadUInt32 (entry.Offset) + 4;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
offset = entry.Offset+entry.Size;
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var pent = (PcdEntry)entry;
using (var riff_mem = new MemoryStream (0x2C))
using (var riff = new BinaryWriter (riff_mem))
{
uint riff_size = entry.Size + 0x20;
riff.Write (AudioFormat.Wav.Signature);
riff.Write (riff_size);
riff.Write (0x45564157); // 'WAVE'
riff.Write (0x20746d66); // 'fmt '
riff.Write (0x10);
riff.Write (pent.WaveFormat);
riff.Write (0x61746164); // 'data'
riff.Flush();
var header = riff_mem.ToArray();
var pcm = arc.File.CreateStream (entry.Offset, entry.Size);
return new PrefixStream (header, pcm);
}
}
}
}