GARbro-mirror/ArcFormats/Seraphim/ArcVoice.cs

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//! \file ArcVoice.cs
//! \date 2017 Nov 25
//! \brief Seraphim engine audio archive.
//
// Copyright (C) 2015-2017 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;
using System.Text.RegularExpressions;
using GameRes.Compression;
namespace GameRes.Formats.Seraphim
{
[Export(typeof(ArchiveFormat))]
public class VoiceDatOpener : ArchiveFormat
{
public override string Tag { get { return "SERAPH/VOICE"; } }
public override string Description { get { return "Seraphim 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 bool IsAmbiguous { get { return true; } }
public VoiceDatOpener ()
{
Extensions = new string[] { "dat" };
}
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static readonly Regex VoiceRe = new Regex (@"^Voice(?:\d|pac)\.dat$", RegexOptions.IgnoreCase);
public override ArcFile TryOpen (ArcView file)
{
if (file.MaxOffset > uint.MaxValue)
return null;
string name = Path.GetFileName (file.Name);
if (!VoiceRe.Match (name).Success)
return null;
int count = file.View.ReadInt16 (0);
if (!IsSaneCount (count))
return null;
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uint data_offset = 2 + 4 * (uint)count;
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uint next_offset = file.View.ReadUInt32 (2);
List<Entry> dir = null;
if (next_offset < data_offset || next_offset >= file.MaxOffset)
dir = ReadV2 (file, count);
else
dir = ReadV1 (file, count);
if (null == dir)
return null;
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return new ArcFile (file, this, dir);
}
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List<Entry> ReadV1 (ArcView file, int count)
{
int index_offset = 2;
uint next_offset = file.View.ReadUInt32 (index_offset);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
index_offset += 4;
var entry = new Entry { Name = string.Format ("{0:D5}.wav", i), Type = "audio" };
entry.Offset = next_offset;
if (i + 1 == count)
next_offset = (uint)file.MaxOffset;
else
next_offset = file.View.ReadUInt32 (index_offset);
if (next_offset <= entry.Offset)
return null;
entry.Size = next_offset - (uint)entry.Offset;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
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return dir;
}
List<Entry> ReadV2 (ArcView file, int count)
{
int index_offset = 6;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new Entry {
Name = string.Format ("{0:D5}.ogg", i),
Type = "audio",
Offset = file.View.ReadUInt32 (index_offset),
Size = file.View.ReadUInt32 (index_offset+4),
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 12;
}
return dir;
}
}
}