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103 lines
4.1 KiB
C#
103 lines
4.1 KiB
C#
//! \file ArcPCD.cs
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//! \date Tue Jan 24 06:49:35 2017
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//! \brief NEJII engine audio archive.
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//
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// Copyright (C) 2017 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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namespace GameRes.Formats.Nejii
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{
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internal class PcdEntry : Entry
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{
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public byte[] WaveFormat;
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}
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[Export(typeof(ArchiveFormat))]
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public class PcdOpener : ArchiveFormat
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{
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public override string Tag { get { return "PCD/NEJII"; } }
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public override string Description { get { return "NEJII engine resource archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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if (file.MaxOffset < 0x30 || !file.Name.HasExtension (".pcd"))
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return null;
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// check if first entry looks like WAVEFORMAT
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ushort channels = file.View.ReadUInt16 (0x12);
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if (0 == channels || channels > 2)
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return null;
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uint rate = file.View.ReadUInt32 (0x14);
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uint bps = file.View.ReadUInt32 (0x18);
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uint block_align = file.View.ReadUInt16 (0x1C);
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if (block_align * rate != bps)
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return null;
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bps = file.View.ReadUInt16 (0x1E);
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if (bps != 8 && bps != 16)
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return null;
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long offset = 0;
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var dir = new List<Entry>();
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while (offset < file.MaxOffset)
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{
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var name = file.View.ReadString (offset, 0x10);
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var entry = FormatCatalog.Instance.Create<PcdEntry> (name);
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entry.WaveFormat = file.View.ReadBytes (offset+0x10, 0x10);
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entry.Offset = offset + 0x20;
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entry.Size = file.View.ReadUInt32 (entry.Offset) + 4;
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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dir.Add (entry);
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offset = entry.Offset+entry.Size;
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}
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return new ArcFile (file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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var pent = (PcdEntry)entry;
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using (var riff_mem = new MemoryStream (0x2C))
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using (var riff = new BinaryWriter (riff_mem))
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{
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uint riff_size = entry.Size + 0x20;
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riff.Write (AudioFormat.Wav.Signature);
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riff.Write (riff_size);
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riff.Write (0x45564157); // 'WAVE'
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riff.Write (0x20746d66); // 'fmt '
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riff.Write (0x10);
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riff.Write (pent.WaveFormat);
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riff.Write (0x61746164); // 'data'
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riff.Flush();
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var header = riff_mem.ToArray();
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var pcm = arc.File.CreateStream (entry.Offset, entry.Size);
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return new PrefixStream (header, pcm);
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}
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}
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}
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}
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