mirror of
https://github.com/crskycode/GARbro.git
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395 lines
16 KiB
C#
395 lines
16 KiB
C#
//! \file ArcVAFS.cs
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//! \date Sun Jan 10 04:19:47 2016
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//! \brief Softpal engine resource archive.
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//
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// Copyright (C) 2016 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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using System.Text;
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using GameRes.Utility;
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namespace GameRes.Formats.Softpal
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{
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[Export(typeof(ArchiveFormat))]
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public class VafsOpener : ArchiveFormat
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{
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public override string Tag { get { return "VAFS"; } }
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public override string Description { get { return "Softpal engine resource archive"; } }
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public override uint Signature { get { return 0x53464156; } } // 'VAFS'
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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 VafsOpener ()
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{
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Extensions = new string[] { "052", "054", "055", "056", "058" };
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}
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static readonly ResourceInstance<ImageFormat> s_PicFormat = new ResourceInstance<ImageFormat> ("PIC/SOFTPAL");
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public override ArcFile TryOpen (ArcView file)
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{
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if ('H' != file.View.ReadByte (4))
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return null;
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uint index_offset = 0x10;
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uint data_offset = file.View.ReadUInt32 (index_offset);
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var base_name = Path.GetFileNameWithoutExtension (file.Name).ToUpperInvariant();
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if (0 == data_offset && "TP" == base_name)
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{
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var ext = Path.GetExtension (file.Name).TrimStart ('.');
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int version;
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if (int.TryParse (ext, out version) && version >= 54)
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return OpenTp055Arc (file);
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else
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return OpenTpArc (file);
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}
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if (data_offset < index_offset || data_offset >= file.MaxOffset)
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return null;
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int count = (int)(data_offset - index_offset) / 4;
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if (!IsSaneCount (count))
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return null;
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uint next_offset = data_offset;
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bool is_bgm = "BGM" == base_name;
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bool is_pic = "PIC" == base_name;
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var dir = new List<Entry> (count);
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for (int i = 0; next_offset != file.MaxOffset && i < count; ++i)
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{
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index_offset += 4;
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var name = string.Format("{0}#{1:D5}", base_name, i);
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var offset = next_offset;
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next_offset = index_offset == data_offset ? 0 : file.View.ReadUInt32 (index_offset);
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if (uint.MaxValue == next_offset || next_offset < offset)
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break;
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uint size = next_offset - offset;
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if (size < 4)
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continue;
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Entry entry;
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if (is_pic)
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entry = new Entry { Name = name, Type = "image" };
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else if (is_bgm)
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entry = new Entry { Name = name + ".wav", Type = "audio" };
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else
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entry = new AutoEntry (name, () => {
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uint signature = file.View.ReadUInt32 (offset);
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uint s16 = signature & 0xFFFF;
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if (1 == s16 || 3 == s16 || 4 == s16)
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return s_PicFormat.Value;
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if (size > 0x200 && (size >> 9) == (signature >> 9))
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return AudioFormat.Wav;
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return AutoEntry.DetectFileType (signature);
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});
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entry.Offset = offset;
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entry.Size = size;
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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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}
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if (0 == dir.Count)
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return null;
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return new ArcFile (file, this, dir);
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}
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ArcFile OpenTpArc (ArcView file)
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{
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uint index_offset = 0x20;
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uint data_offset;
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for (;;)
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{
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data_offset = file.View.ReadUInt32 (index_offset);
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if (0 != data_offset)
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break;
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index_offset += 0x10;
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if (0xA010 == index_offset)
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return null;
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}
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if (data_offset >= file.MaxOffset)
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return null;
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var dir = new List<Entry>();
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while (index_offset < data_offset)
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{
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var offset = file.View.ReadUInt32 (index_offset);
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if (0 != offset)
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{
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var name = string.Format("TP#{0:D5}.wav", index_offset/0x10 - 1);
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var entry = new Entry {
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Name = name,
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Type = "audio",
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Offset = offset,
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Size = 0x402 * file.View.ReadUInt32 (index_offset+4),
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};
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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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}
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index_offset += 0x10;
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}
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return new TpArchive (file, this, dir);
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}
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ArcFile OpenTp055Arc (ArcView file)
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{
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uint index_offset = 0x20;
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uint data_offset;
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for (;;)
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{
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data_offset = file.View.ReadUInt32 (index_offset);
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if (0 != data_offset)
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break;
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index_offset += 0x10;
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if (0xA010 == index_offset)
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return null;
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}
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if (data_offset >= file.MaxOffset)
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return null;
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var dir = new List<Entry>();
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while (index_offset < data_offset)
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{
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var offset = file.View.ReadUInt32 (index_offset);
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if (0 != offset)
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{
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if (offset >= file.MaxOffset)
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return null;
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var name = string.Format("TP#{0:D6}.wav", index_offset/0x10 - 1);
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var entry = new Tp055Entry {
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Name = name,
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Offset = offset,
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ChunkCount = file.View.ReadInt32 (index_offset+4),
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};
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dir.Add (entry);
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}
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index_offset += 0x10;
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}
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for (int i = 0; i < dir.Count-1; ++i)
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{
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dir[i].Size = (uint)(dir[i+1].Offset - dir[i].Offset);
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}
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dir[dir.Count-1].Size = (uint)(file.MaxOffset - dir[dir.Count-1].Offset);
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return new TpArchive (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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if (entry is Tp055Entry)
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return OpenVoice055Entry (arc, entry as Tp055Entry);
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else if (arc is TpArchive)
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return OpenVoiceEntry (arc, entry);
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else if ("audio" == entry.Type
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&& AudioFormat.Wav.Signature != arc.File.View.ReadUInt32 (entry.Offset))
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return OpenAudioEntry (arc, entry);
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else
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return base.OpenEntry (arc, entry);
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}
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Stream OpenAudioEntry (ArcFile arc, Entry entry)
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{
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var offset = entry.Offset;
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int size = arc.File.View.ReadInt32 (offset);
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offset += 4;
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int chunk_count = size >> 9;
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int pcm_size = chunk_count * 0x400;
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var output = new MemoryStream (0x24 + pcm_size);
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using (var wav = new BinaryWriter (output, Encoding.ASCII, true))
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{
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WriteWavHeader (wav, 2, 22050, pcm_size);
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var buffer = new byte[0x204];
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for (int chunk = 0; chunk < chunk_count; ++chunk)
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{
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arc.File.View.Read (offset, buffer, 0, 0x204);
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offset += 0x204;
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int src = 0;
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var data_offset = wav.BaseStream.Position;
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for (int channel = 0; channel < 2; ++channel)
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{
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int addend = buffer[src++] << 8;
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int pcm = LittleEndian.ToInt16 (buffer, src);
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src += 2;
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wav.BaseStream.Position = data_offset + channel * 2;
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wav.Write ((short)pcm);
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for (int i = 0; i < 255; ++i)
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{
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byte v = buffer[src++];
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int diff = v + addend;
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pcm += WaveTable1.Value[diff];
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if (pcm > 32767)
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pcm = 32767;
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else if (pcm < -32767)
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pcm = -32767;
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wav.BaseStream.Seek (2, SeekOrigin.Current);
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wav.Write ((short)pcm);
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addend += WaveTable2.Value[v];
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if (addend < 0)
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addend = 0;
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else if (addend >= 16384)
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addend = 16128;
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}
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}
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}
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}
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output.Position = 0;
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return output;
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}
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Stream OpenVoiceEntry (ArcFile arc, Entry entry)
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{
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int remaining = (int)entry.Size;
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int chunk_count = remaining / 0x402;
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int pcm_size = chunk_count * 0x800;
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var output = new MemoryStream (0x24 + pcm_size);
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var offset = entry.Offset;
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using (var wav = new BinaryWriter (output, Encoding.ASCII, true))
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{
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WriteWavHeader (wav, 1, 22050, pcm_size);
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var buffer = new byte[0x402];
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while (remaining > 0)
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{
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arc.File.View.Read (offset, buffer, 0, 0x402);
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offset += 0x402;
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remaining -= 0x402;
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int pcm = LittleEndian.ToInt16 (buffer, 1);
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int addend = buffer[0] << 8;
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wav.Write ((short)pcm);
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for (int src = 3; src < buffer.Length; ++src)
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{
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byte v = buffer[src];
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int diff = v + addend;
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pcm += WaveTable1.Value[diff];
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if (pcm > 32767)
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pcm = 32767;
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else if (pcm < -32767)
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pcm = -32767;
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wav.Write ((short)pcm);
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addend += WaveTable2.Value[v];
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if (addend < 0)
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addend = 0;
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else if (addend >= 16384)
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addend = 16128;
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}
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}
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}
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output.Position = 0;
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return output;
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}
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Stream OpenVoice055Entry (ArcFile arc, Tp055Entry entry)
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{
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int pcm_size = entry.ChunkCount * 0x800;
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var offset = entry.Offset;
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var wav_mem = new MemoryStream (0x24 + pcm_size);
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using (var wav = new BinaryWriter (wav_mem, Encoding.ASCII, true))
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{
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WriteWavHeader (wav, 1, 22050, pcm_size);
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var buffer = new byte[0x402];
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var output = new int[0x400];
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for (int i = 0; i < entry.ChunkCount; ++i)
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{
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int ctl = arc.File.View.ReadByte (offset++) & 0x3F;
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for (int j = 0; j < output.Length; ++j)
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output[j] = 0;
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for (; ctl != 0; ctl >>= 1)
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{
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if (0 == (ctl & 1))
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continue;
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arc.File.View.Read (offset, buffer, 0, 0x402);
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offset += 0x402;
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int pcm = LittleEndian.ToInt16 (buffer, 1);
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int dst = 0;
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int addend = buffer[0] << 8;
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output[dst++] += pcm;
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for (int src = 3; src < buffer.Length; ++src)
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{
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byte v = buffer[src];
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int diff = v + addend;
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pcm += WaveTable1.Value[diff];
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output[dst++] += (short)pcm;
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addend += WaveTable2.Value[v];
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if (addend < 0)
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addend = 0;
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else if (addend >= 16384)
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addend = 16128;
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}
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}
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for (int j = 0; j < output.Length; ++j)
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{
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int pcm = output[j];
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if (pcm > 32767)
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pcm = 32767;
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else if (pcm < -32767)
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pcm = -32767;
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wav.Write ((short)pcm);
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}
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}
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}
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wav_mem.Position = 0;
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return wav_mem;
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}
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void WriteWavHeader (BinaryWriter wav, short channels, int freq, int pcm_size)
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{
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wav.Write ("RIFF".ToCharArray());
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wav.Write (0x24 + pcm_size);
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wav.Write ("WAVE".ToCharArray());
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wav.Write ("fmt ".ToCharArray());
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wav.Write (0x10);
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wav.Write ((ushort)1);
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wav.Write ((ushort)channels);
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wav.Write (freq);
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wav.Write (freq*channels*2);
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wav.Write ((ushort)(channels*2));
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wav.Write ((ushort)16);
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wav.Write ("data".ToCharArray());
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wav.Write (pcm_size);
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}
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static readonly Lazy<short[]> WaveTable1 = new Lazy<short[]> (() => LoadWaveTable ("WaveTable1"));
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static readonly Lazy<short[]> WaveTable2 = new Lazy<short[]> (() => LoadWaveTable ("WaveTable2"));
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static short[] LoadWaveTable (string name)
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{
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var src = EmbeddedResource.Load (name, typeof(VafsOpener));
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if (null == src)
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return null;
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var array = new short[src.Length/2];
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Buffer.BlockCopy (src, 0, array, 0, src.Length);
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return array;
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}
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}
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internal class TpArchive : ArcFile
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{
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public TpArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir)
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: base (arc, impl, dir)
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{
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}
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}
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internal class Tp055Entry : Entry
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{
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public int ChunkCount;
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public override string Type { get { return "audio"; } }
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}
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}
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