diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index b459bf12..16cb72be 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -134,6 +134,8 @@
+
+
diff --git a/ArcFormats/Maika/ArcMIK01.cs b/ArcFormats/Maika/ArcMIK01.cs
new file mode 100644
index 00000000..7fa8abe2
--- /dev/null
+++ b/ArcFormats/Maika/ArcMIK01.cs
@@ -0,0 +1,67 @@
+//! \file ArcMIK01.cs
+//! \date 2018 Jan 21
+//! \brief MAIKA resource archive.
+//
+// Copyright (C) 2018 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.Maika
+{
+ [Export(typeof(ArchiveFormat))]
+ public class MikOpener : Mk2Opener
+ {
+ public override string Tag { get { return "DAT/MIK01"; } }
+ public override string Description { get { return "MAIKA resource archive"; } }
+ public override uint Signature { get { return 0x304B494D; } } // 'MIK01'
+ public override bool IsHierarchic { get { return false; } }
+ public override bool CanWrite { get { return false; } }
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ if (!file.View.AsciiEqual (4, "1\x1A\0"))
+ return null;
+ int count = file.View.ReadInt16 (8);
+ if (!IsSaneCount (count))
+ return null;
+ uint index_offset = file.View.ReadUInt32 (0xA);
+ uint offset = 0x10;
+ var dir = new List (count);
+ for (int i = 0; i < count; ++i)
+ {
+ var name = file.View.ReadString (index_offset, 0xC);
+ var entry = FormatCatalog.Instance.Create (name);
+ entry.Offset = offset;
+ entry.Size = file.View.ReadUInt32 (index_offset+0xC);
+ if (!entry.CheckPlacement (file.MaxOffset))
+ return null;
+ dir.Add (entry);
+ offset += entry.Size;
+ index_offset += 0x10;
+ }
+ return new ArcFile (file, this, dir);
+ }
+ }
+}
diff --git a/ArcFormats/Maika/AudioWV5.cs b/ArcFormats/Maika/AudioWV5.cs
new file mode 100644
index 00000000..39befa27
--- /dev/null
+++ b/ArcFormats/Maika/AudioWV5.cs
@@ -0,0 +1,169 @@
+//! \file AudioWV5.cs
+//! \date 2018 Jan 21
+//! \brief MAIKA compressed audio format.
+//
+// Copyright (C) 2018 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.ComponentModel.Composition;
+using System.IO;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Maika
+{
+ [Export(typeof(AudioFormat))]
+ public class Wv5Audio : AudioFormat
+ {
+ public override string Tag { get { return "WV5"; } }
+ public override string Description { get { return "MAIKA compressed audio format"; } }
+ public override uint Signature { get { return 0x41355657; } } // 'WV5A'
+ public override bool CanWrite { get { return false; } }
+
+ public Wv5Audio ()
+ {
+ Extensions = new string[] { "wav" };
+ }
+
+ public override SoundInput TryOpen (IBinaryStream file)
+ {
+ var decoder = new Wv5Decoder (file);
+ var pcm_data = decoder.Unpack();
+ var pcm = new MemoryStream (pcm_data);
+ var sound = new RawPcmInput (pcm, decoder.Format);
+ file.Dispose();
+ return sound;
+ }
+ }
+
+ internal class Wv5Decoder
+ {
+ IBinaryStream m_input;
+ byte[] m_output;
+ int m_chunk_count;
+
+ public WaveFormat Format { get; private set; }
+
+ public Wv5Decoder (IBinaryStream input)
+ {
+ m_input = input;
+ m_input.Position = 4;
+ var format = new WaveFormat {
+ FormatTag = 1,
+ Channels = m_input.ReadUInt16(),
+ SamplesPerSecond = m_input.ReadUInt32(),
+ BitsPerSample = 16,
+ };
+ format.BlockAlign = (ushort)(2 * format.Channels);
+ format.AverageBytesPerSecond = format.BlockAlign * format.SamplesPerSecond;
+ this.Format = format;
+ int sample_count = m_input.ReadInt32();
+ m_chunk_count = m_input.ReadInt32();
+ m_output = new byte[sample_count * format.BlockAlign];
+ }
+
+ public byte[] Unpack ()
+ {
+ int chmask = Format.Channels - 1;
+ m_input.Position = 0x12;
+ var sample = new short[Format.Channels];
+ int chn = 0;
+ int dst = 0;
+ for (int i = 0; i < m_chunk_count; ++i)
+ {
+ int count;
+ byte ctl = m_input.ReadUInt8();
+ if (ctl < 2)
+ {
+ if (0 == ctl)
+ count = m_input.ReadUInt8();
+ else
+ count = 256;
+ while (count --> 0)
+ {
+ byte s = m_input.ReadUInt8();
+ int n = chn++ & chmask;
+ sample[n] += PcmTable[s];
+ LittleEndian.Pack (sample[n], m_output, dst);
+ dst += 2;
+ }
+ }
+ else
+ {
+ if (3 == ctl)
+ count = m_input.ReadUInt16();
+ else
+ count = ctl;
+ byte s = m_input.ReadUInt8();
+ while (count --> 0)
+ {
+ int n = chn++ & chmask;
+ sample[n] += PcmTable[s];
+ LittleEndian.Pack (sample[n], m_output, dst);
+ dst += 2;
+ }
+ }
+ }
+ return m_output;
+ }
+
+ static Wv5Decoder ()
+ {
+ for (int i = 0; i < 128; ++i)
+ PcmTable[128+i] = (short)-PcmTable[i];
+ }
+
+ static readonly short[] PcmTable = {
+ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0007, 0x0008,
+ 0x0009, 0x000B, 0x000D, 0x000E, 0x0010, 0x0012, 0x0014, 0x0016,
+ 0x0019, 0x001B, 0x001E, 0x0021, 0x0024, 0x0027, 0x002A, 0x002E,
+ 0x0031, 0x0035, 0x003A, 0x003E, 0x0043, 0x0048, 0x004E, 0x0053,
+ 0x005A, 0x0060, 0x0067, 0x006E, 0x0076, 0x007F, 0x0087, 0x0091,
+ 0x009B, 0x00A5, 0x00B1, 0x00BC, 0x00C9, 0x00D7, 0x00E5, 0x00F4,
+ 0x0104, 0x0116, 0x0128, 0x013B, 0x0150, 0x0166, 0x017D, 0x0196,
+ 0x01B0, 0x01CC, 0x01E9, 0x0209, 0x022A, 0x024E, 0x0273, 0x029B,
+ 0x02C6, 0x02F3, 0x0323, 0x0356, 0x038C, 0x03C6, 0x0403, 0x0444,
+ 0x0489, 0x04D3, 0x0521, 0x0573, 0x05CB, 0x0629, 0x068C, 0x06F6,
+ 0x0766, 0x07DD, 0x085B, 0x08E1, 0x0970, 0x0A08, 0x0AA9, 0x0B54,
+ 0x0C0A, 0x0CCB, 0x0D98, 0x0E72, 0x0F5A, 0x1050, 0x1155, 0x126B,
+ 0x1392, 0x14CB, 0x1618, 0x177A, 0x18F2, 0x1A81, 0x1C29, 0x1DEB,
+ 0x1FCA, 0x21C7, 0x23E3, 0x2621, 0x2882, 0x2B0A, 0x2DBA, 0x3095,
+ 0x339E, 0x36D7, 0x3A43, 0x3DE6, 0x41C4, 0x45DE, 0x4A3B, 0x4EDD,
+ 0x53C9, 0x5904, 0x5E92, 0x6479, 0x6ABE, 0x7167, 0x787A, 0x7FFF,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ };
+ }
+}