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87 lines
3.6 KiB
C#
87 lines
3.6 KiB
C#
//! \file ArcUWF.cs
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//! \date 2017 Dec 15
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//! \brief West Gate resource 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.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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namespace GameRes.Formats.WestGate
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{
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#if DEBUG
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[Export(typeof(ArchiveFormat))]
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#endif
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public class UwfOpener : ArchiveFormat
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{
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public override string Tag { get { return "UWF"; } }
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public override string Description { get { return "West Gate audio 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 <= 0x1500)
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return null;
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uint first_offset = file.View.ReadUInt32 (0x14FC);
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if (first_offset >= file.MaxOffset || first_offset < 0x1500)
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return null;
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int count = (int)((first_offset - 0x14F0) / 0x10);
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if (!IsSaneCount (count))
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return null;
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var dir = UcaTool.ReadIndex (file, 0x14F0, count, "audio");
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if (null == dir)
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return null;
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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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uint fmt_size = arc.File.View.ReadUInt16 (entry.Offset);
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if (fmt_size >= entry.Size)
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return base.OpenEntry (arc, entry);
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uint pcm_size = arc.File.View.ReadUInt32 (entry.Offset+2+fmt_size);
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if (pcm_size >= entry.Size)
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return base.OpenEntry (arc, entry);
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using (var mem = new MemoryStream())
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using (var riff = new BinaryWriter (mem))
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{
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uint total_size = (uint)(0x1C + fmt_size + pcm_size);
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riff.Write (AudioFormat.Wav.Signature);
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riff.Write (total_size);
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riff.Write (0x45564157); // 'WAVE'
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riff.Write (0x20746d66); // 'fmt '
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riff.Write (fmt_size);
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var fmt = arc.File.View.ReadBytes (entry.Offset+2, fmt_size);
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riff.Write (fmt);
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riff.Write (0x61746164); // 'data'
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riff.Flush();
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var wav_header = mem.ToArray();
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var pcm = arc.File.CreateStream (entry.Offset+fmt_size+2, pcm_size+4);
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return new PrefixStream (wav_header, pcm);
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}
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}
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}
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}
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