diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 356b1ba7..27a926e2 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -110,6 +110,10 @@
+
+
+
+
diff --git a/ArcFormats/MicroVision/ArcARC.cs b/ArcFormats/MicroVision/ArcARC.cs
new file mode 100644
index 00000000..78fe4ebc
--- /dev/null
+++ b/ArcFormats/MicroVision/ArcARC.cs
@@ -0,0 +1,171 @@
+//! \file ArcARC.cs
+//! \date Thu Mar 23 20:55:00 2017
+//! \brief MicroVision resource archive.
+//
+// Copyright (C) 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;
+
+namespace GameRes.Formats.MicroVision
+{
+ [Export(typeof(ArchiveFormat))]
+ public class ArcOpener : ArchiveFormat
+ {
+ public override string Tag { get { return "ARC/MICROVISION"; } }
+ public override string Description { get { return "MicroVision resource archive"; } }
+ public override uint Signature { get { return 0x31435241; } } // 'ARC1'
+ public override bool IsHierarchic { get { return true; } }
+ public override bool CanWrite { get { return false; } }
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ var arc = new ArcReader (file);
+ int count = (int)arc.ReadHeader (0xD);
+ if (!IsSaneCount (count))
+ return null;
+ uint names_length;
+ uint names_offset = arc.ReadHeader (8);
+ if (names_offset != 0)
+ {
+ names_length = arc.ReadHeader (9);
+ }
+ else
+ {
+ names_offset = arc.ReadHeader (7);
+ names_length = arc.ReadHeader (6);
+ }
+ uint index_size = names_offset + names_length;
+ index_size = (index_size + 0x7Fu) & ~0x7Fu;
+ if (index_size < 0x40 || index_size >= file.MaxOffset)
+ return null;
+ file.View.Reserve (0, index_size);
+ uint index_offset = arc.ReadHeader (4);
+ var dir = new List (count);
+ for (int i = 0; i < count; ++i)
+ {
+ var name_offset = arc.ReadIndex (index_offset+2);
+ var name_length = arc.ReadIndex (index_offset+3);
+ var name = file.View.ReadString (name_offset, name_length);
+ var entry = FormatCatalog.Instance.Create (name);
+ entry.Offset = arc.ReadIndex (index_offset+4);
+ entry.Size = arc.ReadIndex (index_offset+5);
+ if (!entry.CheckPlacement (file.MaxOffset))
+ return null;
+ entry.UnpackedSize = arc.ReadIndex (index_offset+6);
+ entry.IsPacked = entry.UnpackedSize != entry.Size;
+ dir.Add (entry);
+ index_offset += 0x20;
+ }
+ return new ArcFile (file, this, dir);
+ }
+
+ public override Stream OpenEntry (ArcFile arc, Entry entry)
+ {
+ var pent = entry as PackedEntry;
+ if (null == pent || !pent.IsPacked)
+ return base.OpenEntry (arc, entry);
+ var input = arc.File.CreateStream (entry.Offset, entry.Size);
+ var data = new byte[pent.UnpackedSize];
+ LzUnpack (input, data);
+ return new BinMemoryStream (data);
+ }
+
+ void LzUnpack (Stream input, byte[] output)
+ {
+ var frame = new byte[0x1000];
+ int frame_pos = 1;
+ const int frame_mask = 0xFFF;
+ int dst = 0;
+ int bit = 0;
+ int ctl = 0;
+ while (dst < output.Length)
+ {
+ if (0 == bit)
+ {
+ ctl = input.ReadByte();
+ if (-1 == ctl)
+ break;
+ bit = 0x80;
+ }
+ if (0 != (ctl & bit))
+ {
+ byte b = (byte)input.ReadByte();
+ frame[frame_pos++ & frame_mask] = b;
+ output[dst++] = b;
+ }
+ else
+ {
+ int lo = input.ReadByte();
+ int hi = input.ReadByte();
+ if (-1 == lo || -1 == hi)
+ break;
+ int offset = hi >> 4 | lo << 4;
+ for (int count = 2 + (hi & 0xF); count > 0 && dst < output.Length; --count)
+ {
+ byte v = frame[offset++ & frame_mask];
+ frame[frame_pos++ & frame_mask] = v;
+ output[dst++] = v;
+ }
+ }
+ bit >>= 1;
+ }
+ }
+ }
+
+ internal sealed class ArcReader
+ {
+ ArcView m_file;
+
+ const uint HeaderObfuscationStep = 0xC;
+ const uint IndexObfuscationStep = 7;
+
+ public ArcReader (ArcView file)
+ {
+ m_file = file;
+ }
+
+ public uint ReadHeader (uint offset)
+ {
+ return ReadUInt32 (offset, HeaderObfuscationStep);
+ }
+
+ public uint ReadIndex (uint offset)
+ {
+ return ReadUInt32 (offset, IndexObfuscationStep);
+ }
+
+ uint ReadUInt32 (uint offset, uint step)
+ {
+ uint v = m_file.View.ReadByte (offset);
+ offset += step;
+ v |= (uint)m_file.View.ReadByte (offset) << 8;
+ offset += step;
+ v |= (uint)m_file.View.ReadByte (offset) << 16;
+ offset += step;
+ v |= (uint)m_file.View.ReadByte (offset) << 24;
+ return v;
+ }
+ }
+}
diff --git a/ArcFormats/MicroVision/ArcGSD.cs b/ArcFormats/MicroVision/ArcGSD.cs
new file mode 100644
index 00000000..e2f02e54
--- /dev/null
+++ b/ArcFormats/MicroVision/ArcGSD.cs
@@ -0,0 +1,66 @@
+//! \file ArcGSD.cs
+//! \date Fri Mar 24 00:16:17 2017
+//! \brief MicroVision audio resource archive.
+//
+// Copyright (C) 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;
+
+namespace GameRes.Formats.MicroVision
+{
+ [Export(typeof(ArchiveFormat))]
+ public class GsdOpener : ArchiveFormat
+ {
+ public override string Tag { get { return "GSD"; } }
+ public override string Description { get { return "MicroVision audio resource archive"; } }
+ public override uint Signature { get { return 0x00445347; } } // 'GSD'
+ public override bool IsHierarchic { get { return false; } }
+ public override bool CanWrite { get { return false; } }
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ int count = file.View.ReadInt32 (0x1C);
+ if (!IsSaneCount (count))
+ return null;
+ long base_offset = file.View.ReadUInt32 (8);
+ uint index_offset = 0x34;
+ var dir = new List (count);
+ for (int i = 0; i < count; ++i)
+ {
+ var entry = new Entry {
+ Name = string.Format ("{0:D5}.wav", i),
+ Type = "audio",
+ Offset = base_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 += 0x20;
+ }
+ return new ArcFile (file, this, dir);
+ }
+ }
+}
diff --git a/ArcFormats/MicroVision/AudioIKM.cs b/ArcFormats/MicroVision/AudioIKM.cs
new file mode 100644
index 00000000..48cfc2e6
--- /dev/null
+++ b/ArcFormats/MicroVision/AudioIKM.cs
@@ -0,0 +1,46 @@
+//! \file AudioIKM.cs
+//! \date Fri Mar 24 00:01:54 2017
+//! \brief MicroVision audio format (Ogg/vorbis).
+//
+// Copyright (C) 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.ComponentModel.Composition;
+
+namespace GameRes.Formats.MicroVision
+{
+ [Export(typeof(AudioFormat))]
+ public class IkmAudio : AudioFormat
+ {
+ public override string Tag { get { return "IKM"; } }
+ public override string Description { get { return "MicroVision audio format (Ogg/vorbis)"; } }
+ public override uint Signature { get { return 0x004D4B49; } } // 'IKM'
+ public override bool CanWrite { get { return false; } }
+
+ public override SoundInput TryOpen (IBinaryStream file)
+ {
+ var header = file.ReadHeader (0x40);
+ uint length = header.ToUInt32 (0x24);
+ var ogg = new StreamRegion (file.AsStream, file.Length-length, length);
+ return new OggInput (ogg);
+ }
+ }
+}
diff --git a/ArcFormats/MicroVision/ImageGPC.cs b/ArcFormats/MicroVision/ImageGPC.cs
new file mode 100644
index 00000000..e1c233db
--- /dev/null
+++ b/ArcFormats/MicroVision/ImageGPC.cs
@@ -0,0 +1,95 @@
+//! \file ImageGPC.cs
+//! \date Fri Mar 24 03:31:55 2017
+//! \brief MicroVision image format.
+//
+// Copyright (C) 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.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+
+namespace GameRes.Formats.MicroVision
+{
+ internal class GpcMetaData : ImageMetaData
+ {
+ public int Type;
+ }
+
+ [Export(typeof(ImageFormat))]
+ public class GpcFormat : ImageFormat
+ {
+ public override string Tag { get { return "GTX"; } }
+ public override string Description { get { return "MicroVision image format"; } }
+ public override uint Signature { get { return 0x30435047; } } // 'GPC0'
+
+ public override ImageMetaData ReadMetaData (IBinaryStream file)
+ {
+ var header = file.ReadHeader (0x40);
+ int flags = header.ToUInt16 (0xC);
+ if (0 != (flags & 0x1000))
+ {
+ var v1header = file.ReadBytes (0x30);
+ return new GpcMetaData {
+ Width = v1header.ToUInt16 (0x10),
+ Height = v1header.ToUInt16 (0x12),
+ BPP = 32,
+ Type = 0x1000
+ };
+ }
+ else if (0 != (flags & 0x2000))
+ {
+ var v2header = file.ReadBytes (0x50);
+ if (v2header.ToUInt16 (0x14) != 1)
+ return null;
+ return new GpcMetaData {
+ Width = v2header.ToUInt16 (0x10),
+ Height = v2header.ToUInt16 (0x12),
+ BPP = 32,
+ Type = 0x2000
+ };
+ }
+ else
+ return null;
+ }
+
+ public override ImageData Read (IBinaryStream file, ImageMetaData info)
+ {
+ var meta = (GpcMetaData)info;
+ if (0x2000 == meta.Type)
+ {
+ file.Position = 0x90;
+ int stride = (int)meta.Width * 4;
+ var pixels = new byte[stride * (int)meta.Height];
+ if (pixels.Length != file.Read (pixels, 0, pixels.Length))
+ throw new EndOfStreamException();
+ return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, stride);
+ }
+ throw new NotImplementedException();
+ }
+
+ public override void Write (Stream file, ImageData image)
+ {
+ throw new System.NotImplementedException ("GpcFormat.Write not implemented");
+ }
+ }
+}