diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 84ffb53a..ebe26580 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -81,6 +81,7 @@
+
@@ -140,6 +141,7 @@
+
diff --git a/ArcFormats/ArcLPK.cs b/ArcFormats/ArcLPK.cs
new file mode 100644
index 00000000..3e6d15ce
--- /dev/null
+++ b/ArcFormats/ArcLPK.cs
@@ -0,0 +1,417 @@
+//! \file ArcLPK.cs
+//! \date Mon Feb 16 17:21:47 2015
+//! \brief Lucifen Easy Game System archive implementation.
+//
+// Copyright (C) 2015 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.Linq;
+using System.Text;
+using GameRes.Formats.Strings;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Lucifen
+{
+ internal class LuciEntry : PackedEntry
+ {
+ public byte Flag;
+ }
+
+ internal class LuciArchive : ArcFile
+ {
+ public LpkInfo Info;
+
+ public LuciArchive (ArcView arc, ArchiveFormat impl, ICollection dir, LpkInfo info)
+ : base (arc, impl, dir)
+ {
+ Info = info;
+ }
+ }
+
+ internal class LuciOptions : ResourceOptions
+ {
+ public LpkOpener.Key Key;
+ }
+
+ internal class LpkInfo
+ {
+ public bool AlignedOffset;
+ public bool Flag1;
+ public bool IsEncrypted;
+ public bool PackedEntries;
+ public bool WholeCrypt;
+ public uint Key;
+ public byte[] Prefix;
+ }
+
+ [Export(typeof(ArchiveFormat))]
+ public class LpkOpener : ArchiveFormat
+ {
+ public override string Tag { get { return "LPK"; } }
+ public override string Description { get { return "Lucifen system resource archive"; } }
+ public override uint Signature { get { return 0x314b504c; } } // 'LPK1'
+ public override bool IsHierarchic { get { return false; } }
+ public override bool CanCreate { get { return false; } }
+
+ public struct Key
+ {
+ public uint Key1, Key2;
+ public Key (uint k1, uint k2)
+ {
+ Key1 = k1;
+ Key2 = k2;
+ }
+ }
+
+ static Key BaseKey = new Key { Key1 = 0xA5B9AC6B, Key2 = 0x9A639DE5 };
+ static byte[] ScriptName = Encoding.ASCII.GetBytes ("SCRIPT");
+ static Key ScriptKey = new Key { Key1 = 0, Key2 = 0 };
+
+ Dictionary CurrentScheme = new Dictionary();
+
+ static Dictionary> KnownKeys =
+ new Dictionary> {
+ { "Ne~pon? x Raipon!", new Dictionary {
+ { "SYS.LPK", new Key (0x67DB35ED, 0xBE4D6A37) },
+ { "CHR.LPK", new Key (0x9E3BAD56, 0x95FE9DC3) },
+ { "PIC.LPK", new Key (0xD9B5E6C3, 0xBA53E5D5) },
+ { "BGM.LPK", new Key (0xEB6DE3B5, 0xCD571DE9) },
+ { "SE.LPK", new Key (0x9AB3AD5E, 0xAD3D4D96) },
+ { "VOICE.LPK", new Key (0x75CBD59D, 0x5ED59ACA) },
+ { "DATA.LPK", new Key (0xDE6AD53E, 0x9E3B5E3D) },
+ { "DESKTOP.LPK",new Key (0xACD5B36D, 0xD56ADB5D) } } },
+ { "Doki Doki Rooming", new Dictionary {
+ { "SYS.LPK", new Key (0x8030AB96, 0xB9F6638E) },
+ { "CHR.LPK", new Key (0xA7B9178B, 0xF79C547C) },
+ { "PIC.LPK", new Key (0x34B73229, 0xB690E07D) },
+ { "BGM.LPK", new Key (0x41E7505F, 0x1E10C3C5) },
+ { "SE.LPK", new Key (0x34DF875E, 0x435603E8) },
+ { "VOICE.LPK", new Key (0x30701D73, 0xFB524CE5) },
+ { "ANIME.LPK", new Key (0x867ABB47, 0xA25F4248) },
+ { "DATA.LPK", new Key (0x5BCB1333, 0x99325DFA) } } },
+ };
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ string name = Path.GetFileName (file.Name).ToUpperInvariant();
+ if (string.IsNullOrEmpty (name))
+ return null;
+ var key = ScriptKey;
+ if (name != "SCRIPT.LPK" && !CurrentScheme.TryGetValue (name, out key))
+ {
+ ImportKeys (file.Name);
+ if (!CurrentScheme.TryGetValue (name, out key))
+ {
+ key = QueryEncryptionKey();
+ }
+ }
+ var basename = Encodings.cp932.GetBytes (Path.GetFileNameWithoutExtension (name));
+ return Open (basename, file, key);
+ }
+
+ public override Stream OpenEntry (ArcFile arc, Entry entry)
+ {
+ if (0 == entry.Size)
+ return Stream.Null;
+ var larc = arc as LuciArchive;
+ var lent = entry as LuciEntry;
+ Stream input = arc.File.CreateStream (entry.Offset, entry.Size);
+ if (null == larc || null == lent)
+ return input;
+ byte[] data;
+ using (input)
+ {
+ if (lent.IsPacked)
+ {
+ using (var reader = new LzssReader (input, (int)lent.Size, (int)lent.UnpackedSize))
+ {
+ reader.Unpack();
+ data = reader.Data;
+ }
+ }
+ else
+ {
+ data = new byte[lent.Size];
+ input.Read (data, 0, data.Length);
+ }
+ }
+ if (larc.Info.IsEncrypted)
+ {
+ if (larc.Info.WholeCrypt)
+ {
+ for (int i = 0; i < data.Length; ++i)
+ {
+ int v = data[i] ^ 0x5d;
+ data[i] = (byte)(v >> 4 | v << 4);
+ }
+ }
+ int count = Math.Min (data.Length / 4, 0x40);
+ if (count != 0)
+ {
+ unsafe
+ {
+ fixed (byte* buf_raw = data)
+ {
+ uint key = larc.Info.Key;
+ uint* encoded = (uint*)buf_raw;
+ uint ecx = 0x31746285;
+ for (int i = 0; i < count; ++i)
+ {
+ encoded[i] ^= key;
+ ecx = (ecx >> 4) | (ecx << 28);
+ int cl = (int)(ecx & 0x1f);
+ key = (key << cl) | (key >> (32-cl));
+ }
+ }
+ }
+ }
+ }
+ input = new MemoryStream (data);
+ if (null != larc.Info.Prefix)
+ return new PrefixStream (larc.Info.Prefix, input);
+ else
+ return input;
+ }
+
+ ArcFile Open (byte[] basename, ArcView file, Key key)
+ {
+ uint key1 = BaseKey.Key1;
+ uint key2 = BaseKey.Key2;
+ for (int b = 0, e = basename.Length-1; e >= 0; ++b, --e)
+ {
+ key1 ^= basename[e];
+ key2 ^= basename[b];
+ key1 = (key1 << 25) | (key1 >> 7);
+ key2 = (key2 << 7) | (key2 >> 25);
+ }
+ key1 ^= key.Key1;
+ key2 ^= key.Key2;
+ uint code = file.View.ReadUInt32 (4) ^ key2;
+ int index_size = (int)(code & 0xffffff);
+ byte flags = (byte)(code >> 24);
+ if (0 != (flags & 1))
+ index_size = (index_size << 11) - 8;
+ if (index_size < 5)
+ return null;
+ var index = new byte[index_size];
+ if (index_size != file.View.Read (8, index, 0, (uint)index_size))
+ return null;
+ var lpk_info = new LpkInfo
+ {
+ AlignedOffset = 0 != (flags & 1),
+ Flag1 = 0 != (flags & 2),
+ IsEncrypted = 0 != (flags & 4),
+ PackedEntries = 0 != (flags & 8),
+ WholeCrypt = 0 != (flags & 0x10),
+ Key = key1
+ };
+ var reader = new IndexReader (lpk_info);
+ unsafe
+ {
+ fixed (byte* buf_raw = index)
+ {
+ uint* encoded = (uint*)buf_raw;
+ uint ecx = 0x31746285;
+ for (int i = 0; i < index_size/4; ++i)
+ {
+ encoded[i] ^= key2;
+ ecx = (ecx << 4) | (ecx >> 28);
+ int cl = (int)(ecx & 0x1f);
+ key2 = (key2 << (32-cl)) | (key2 >> cl);
+ }
+ }
+ }
+ var dir = reader.Read (index);
+ if (null == dir)
+ return null;
+ return new LuciArchive (file, this, dir, reader.Info);
+ }
+
+ void ImportKeys (string source_name)
+ {
+ var script_lpk = Path.Combine (Path.GetDirectoryName (source_name), "SCRIPT.LPK");
+ using (var script_file = new ArcView (script_lpk))
+ using (var script_arc = Open (ScriptName, script_file, ScriptKey))
+ {
+ var entry = script_arc.Dir.Where (e => e.Name.Equals ("gameinit.sob", StringComparison.InvariantCultureIgnoreCase)).FirstOrDefault();
+ if (null == entry)
+ throw new FileNotFoundException ("Missing 'gameinit.sob' entry in SCRIPT.LPK");
+ using (var gameinit = script_arc.OpenEntry (entry))
+ {
+ var init_data = new byte[gameinit.Length];
+ gameinit.Read (init_data, 0, init_data.Length);
+ if (!GameInit (init_data))
+ throw new UnknownEncryptionScheme();
+ }
+ }
+ }
+
+ bool GameInit (byte[] sob)
+ {
+ CurrentScheme.Clear();
+ if (!Binary.AsciiEqual (sob, "SOB0"))
+ return false;
+ int offset = LittleEndian.ToInt32 (sob, 4) + 8;
+ if (offset <= 0 || offset >= sob.Length)
+ return false;
+ unsafe
+ {
+ fixed (byte* buf_raw = sob)
+ {
+ uint* p = (uint*)(buf_raw + offset);
+ uint index_len = *p;
+ if (offset+8+(int)index_len >= sob.Length)
+ return false;
+ p += 2;
+ uint* last = p + index_len / 4 - 28;
+
+ while (p < last)
+ {
+ if (p[0] == 0x28 && p[1] == 0 && p[2] != 0 && p[3] == 8 &&
+ p[4] == 1 && p[5] == 8 && p[6] == 1 && p[7] == 8 &&
+ p[8] != 0 && p[9] == 8 && p[10] != 0 && p[11] == 5 &&
+ p[17] == 0x28 && p[18] == 0 && p[19] != 0 && p[20] == 8 &&
+ p[21] != 0 && p[22] == 8 && p[23] == 0xffffffff && p[24] == 8 &&
+ p[25] == 1 && p[26] == 8 && p[27] == 1 && p[28] == 5)
+ {
+ byte* lpk = (byte*)p + p[21] - p[2] + 0x34;
+ int name_index = (int)(lpk - buf_raw);
+ if (name_index >= sob.Length)
+ {
+ ++p;
+ continue;
+ }
+ string name = Binary.GetCString (sob, name_index, sob.Length-name_index);
+ name = name.ToUpperInvariant();
+ CurrentScheme[name] = new Key { Key1 = p[8], Key2 = p[10] };
+ p += 0x22;
+ } else
+ ++p;
+ }
+ return true;
+ }
+ }
+ }
+
+ Key QueryEncryptionKey ()
+ {
+ var options = Query (arcStrings.ArcEncryptedNotice);
+ if (null == options)
+ throw new UnknownEncryptionScheme();
+ return options.Key;
+ }
+ }
+
+ internal class IndexReader
+ {
+ byte[] m_index;
+ LpkInfo m_info;
+ List m_dir;
+ byte[] m_name;
+ int m_index_width;
+ int m_entries_offset;
+
+ public LpkInfo Info { get { return m_info; } }
+
+ public IndexReader (LpkInfo info)
+ {
+ if (!info.Flag1)
+ throw new NotSupportedException ("Not supported LPK index format");
+ m_info = info;
+ m_name = new byte[260];
+ }
+
+ public List Read (byte[] index)
+ {
+ m_index = index;
+ int count = LittleEndian.ToInt32 (m_index, 0);
+ if (count <= 0 || count > 0xfffff)
+ return null;
+ int index_offset = 4;
+ int prefix_length = m_index[index_offset++];
+ if (0 != prefix_length)
+ {
+ m_info.Prefix = new byte[prefix_length];
+ Buffer.BlockCopy (m_index, index_offset, m_info.Prefix, 0, prefix_length);
+ index_offset += prefix_length;
+ }
+ m_index_width = 0 != m_index[index_offset++] ? 4 : 2;
+ int letter_table_length = LittleEndian.ToInt32 (m_index, index_offset);
+ index_offset += 4;
+ m_entries_offset = index_offset + letter_table_length;
+
+ m_dir = new List (count);
+ m_name = new byte[260];
+ TraverseIndex (index_offset, 0);
+ return m_dir.Count == count ? m_dir : null;
+ }
+
+ void TraverseIndex (int index_offset, int name_length)
+ {
+ if (index_offset < 0 || index_offset >= m_index.Length)
+ throw new InvalidFormatException ("Error parsing LPK index");
+ if (name_length >= m_name.Length)
+ throw new InvalidFormatException ("Entry filename is too long");
+ int entries = m_index[index_offset++];
+ for (int i = 0; i < entries; ++i)
+ {
+ byte next_letter = m_index[index_offset++];
+ int next_offset = 4 == m_index_width ? LittleEndian.ToInt32 (m_index, index_offset)
+ : (int)LittleEndian.ToUInt16 (m_index, index_offset);
+ m_name[name_length] = next_letter;
+ index_offset += m_index_width;;
+ if (0 != next_letter)
+ TraverseIndex (index_offset+next_offset, name_length+1);
+ else
+ AddEntry (name_length, next_offset);
+ }
+ }
+
+ void AddEntry (int name_length, int entry_num)
+ {
+ if (name_length < 1)
+ throw new InvalidFormatException ("Invalid LPK entry name");
+ string name = Encodings.cp932.GetString (m_name, 0, name_length);
+ var entry = new LuciEntry {
+ Name = name,
+ Type = FormatCatalog.Instance.GetTypeFromName (name),
+ IsPacked = m_info.PackedEntries,
+ };
+ int entry_size = m_info.PackedEntries ? 13 : 9;
+ int entry_pos = m_entries_offset + entry_size*entry_num;
+ if (entry_pos+entry_size > m_index.Length)
+ throw new InvalidFormatException ("Invalid LPK entry index");
+ entry.Flag = m_index[entry_pos];
+ uint offset = LittleEndian.ToUInt32 (m_index, entry_pos+1);
+ entry.Offset = m_info.AlignedOffset ? offset << 11 : offset;
+ entry.Size = LittleEndian.ToUInt32 (m_index, entry_pos+5);
+ if (entry.IsPacked)
+ entry.UnpackedSize = LittleEndian.ToUInt32 (m_index, entry_pos+9);
+ else
+ entry.UnpackedSize = entry.Size;
+ m_dir.Add (entry);
+ }
+ }
+}
diff --git a/ArcFormats/ImageELG.cs b/ArcFormats/ImageELG.cs
new file mode 100644
index 00000000..e78adec5
--- /dev/null
+++ b/ArcFormats/ImageELG.cs
@@ -0,0 +1,585 @@
+//! \file ImageELG.cs
+//! \date Wed Apr 22 03:14:49 2015
+//! \brief Lucifen Easy Game System image format.
+//
+// Copyright (C) 2015 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;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Lucifen
+{
+ internal class ElgMetaData : ImageMetaData
+ {
+ public int HeaderSize;
+ }
+
+ [Export(typeof(ImageFormat))]
+ public class ElgFormat : ImageFormat
+ {
+ public override string Tag { get { return "ELG"; } }
+ public override string Description { get { return "Lucifen Easy Game System image format"; } }
+ public override uint Signature { get { return 0x01474c45u; } } // 'ELG\001'
+
+ public ElgFormat ()
+ {
+ Signatures = new uint[] { 0x01474c45u, 0x08474c45u, 0x18474c45u, 0x20474c45u };
+ }
+
+ public override void Write (Stream file, ImageData image)
+ {
+ throw new NotImplementedException ("ElgFormat.Write not implemented");
+ }
+
+ public override ImageMetaData ReadMetaData (Stream stream)
+ {
+ stream.Seek (3, SeekOrigin.Current);
+ using (var input = new ArcView.Reader (stream))
+ {
+ int bpp = input.ReadByte();
+ int x = 0;
+ int y = 0;
+ int header_size = 8;
+ if (1 == bpp)
+ {
+ bpp = input.ReadByte();
+ x = input.ReadInt16();
+ y = input.ReadInt16();
+ header_size = 13;
+ }
+ if (8 != bpp && 24 != bpp && 32 != bpp)
+ return null;
+ uint w = input.ReadUInt16();
+ uint h = input.ReadUInt16();
+ return new ElgMetaData
+ {
+ Width = w,
+ Height = h,
+ OffsetX = x,
+ OffsetY = y,
+ BPP = bpp,
+ HeaderSize = header_size,
+ };
+ }
+ }
+
+ public override ImageData Read (Stream file, ImageMetaData info)
+ {
+ var meta = info as ElgMetaData;
+ if (null == meta)
+ throw new ArgumentException ("ElgFormat.Read should be supplied with ElgMetaData", "info");
+ file.Position = meta.HeaderSize;
+ using (var reader = new Reader (file, meta))
+ {
+ reader.Unpack();
+ return ImageData.Create (meta, reader.Format, reader.Palette, reader.Data);
+ }
+ }
+
+ internal class Reader : IDisposable
+ {
+ int m_width;
+ int m_height;
+ int m_bpp;
+ BinaryReader m_input;
+ byte[] m_output;
+
+ public PixelFormat Format { get; private set; }
+ public BitmapPalette Palette { get; private set; }
+ public byte[] Data { get { return m_output; } }
+
+ public Reader (Stream stream, ElgMetaData info)
+ {
+ m_width = (int)info.Width;
+ m_height = (int)info.Height;
+ m_bpp = info.BPP;
+ m_output = new byte[m_width*m_height*m_bpp/8];
+ m_input = new ArcView.Reader (stream);
+ }
+
+ public void Unpack ()
+ {
+ if (8 == m_bpp)
+ {
+ Format = PixelFormats.Indexed8;
+ UnpackPalette();
+ UnpackIndexed (m_output);
+ }
+ else if (24 == m_bpp)
+ {
+ Format = PixelFormats.Bgr24;
+ UnpackRGB();
+ }
+ else
+ {
+ Format = PixelFormats.Bgra32;
+ UnpackRGBA();
+ UnpackAlpha();
+ }
+ }
+
+ void UnpackPalette ()
+ {
+ byte[] palette_data = new byte[0x400];
+ UnpackIndexed (palette_data);
+ var colors = new Color[256];
+ for (int i = 0; i < 256; ++i)
+ colors[i] = Color.FromRgb (palette_data[i*4+2], palette_data[i*4+1], palette_data[i*4]);
+ Palette = new BitmapPalette (colors);
+ }
+
+ void UnpackIndexed (byte[] output)
+ {
+ int dst = 0;
+ for (;;)
+ {
+ byte flags = m_input.ReadByte();
+ if (0xff == flags)
+ break;
+ int count, pos;
+
+ if (0 == (flags & 0xc0))
+ {
+ if (0 != (flags & 0x20))
+ count = ((flags & 0x1f) << 8) + m_input.ReadByte() + 33;
+ else
+ count = (flags & 0x1f) + 1;
+
+ for (int i = 0; i < count; ++i)
+ output[dst++] = m_input.ReadByte();
+ }
+ else if ((flags & 0xc0) == 0x40)
+ {
+ if (0 != (flags & 0x20))
+ count = ((flags & 0x1f) << 8) + m_input.ReadByte() + 35;
+ else
+ count = (flags & 0x1f) + 3;
+
+ byte v = m_input.ReadByte();
+ for (int i = 0; i < count; ++i)
+ output[dst++] = v;
+ }
+ else
+ {
+ if ((flags & 0xc0) == 0x80)
+ {
+ if (0 == (flags & 0x30))
+ {
+ count = (flags & 0xf) + 2;
+ pos = m_input.ReadByte() + 2;
+ }
+ else if ((flags & 0x30) == 0x10)
+ {
+ pos = ((flags & 0xf) << 8) + m_input.ReadByte() + 3;
+ count = m_input.ReadByte() + 4;
+ }
+ else if ((flags & 0x30) == 0x20)
+ {
+ pos = ((flags & 0xf) << 8) + m_input.ReadByte() + 3;
+ count = 3;
+ }
+ else
+ {
+ pos = ((flags & 0xf) << 8) + m_input.ReadByte() + 3;
+ count = 4;
+ }
+ }
+ else if (0 != (flags & 0x20))
+ {
+ pos = (flags & 0x1f) + 2;
+ count = 2;
+ }
+ else
+ {
+ pos = (flags & 0x1f) + 1;
+ count = 1;
+ }
+ int src = dst - pos;
+ Binary.CopyOverlapped (output, src, dst, count);
+ dst += count;
+ }
+ }
+ }
+
+ void UnpackRGBA ()
+ {
+ int dst = 0;
+ for (;;)
+ {
+ byte flags = m_input.ReadByte();
+ if (0xff == flags)
+ break;
+ int count, pos, src;
+
+ if (0 == (flags & 0xc0))
+ {
+ if (0 != (flags & 0x20))
+ count = ((flags & 0x1f) << 8) + m_input.ReadByte() + 33;
+ else
+ count = (flags & 0x1f) + 1;
+
+ for (int i = 0; i < count; ++i)
+ {
+ m_output[dst++] = m_input.ReadByte();
+ m_output[dst++] = m_input.ReadByte();
+ m_output[dst++] = m_input.ReadByte();
+ m_output[dst++] = 0xff;
+ }
+ }
+ else if ((flags & 0xc0) == 0x40)
+ {
+ if (0 != (flags & 0x20))
+ count = ((flags & 0x1f) << 8) + m_input.ReadByte() + 34;
+ else
+ count = (flags & 0x1f) + 2;
+
+ byte b = m_input.ReadByte();
+ byte g = m_input.ReadByte();
+ byte r = m_input.ReadByte();
+ for (int i = 0; i < count; ++i)
+ {
+ m_output[dst++] = b;
+ m_output[dst++] = g;
+ m_output[dst++] = r;
+ m_output[dst++] = 0xff;
+ }
+ }
+ else if ((flags & 0xc0) == 0x80)
+ {
+ if (0 == (flags & 0x30))
+ {
+ count = (flags & 0xf) + 1;
+ pos = m_input.ReadByte() + 2;
+ }
+ else if ((flags & 0x30) == 0x10)
+ {
+ pos = ((flags & 0xf) << 8) + m_input.ReadByte() + 2;
+ count = m_input.ReadByte() + 1;
+ }
+ else if ((flags & 0x30) == 0x20)
+ {
+ byte tmp = m_input.ReadByte();
+ pos = ((((flags & 0xf) << 8) + tmp) << 8) + m_input.ReadByte() + 4098;
+ count = m_input.ReadByte() + 1;
+ }
+ else
+ {
+ if (0 != (flags & 8))
+ pos = ((flags & 0x7) << 8) + m_input.ReadByte() + 10;
+ else
+ pos = (flags & 0x7) + 2;
+ count = 1;
+ }
+
+ src = dst - 4 * pos;
+ Binary.CopyOverlapped (m_output, src, dst, count*4);
+ dst += count*4;
+ }
+ else
+ {
+ int y, x;
+
+ if (0 == (flags & 0x30))
+ {
+ if (0 == (flags & 0xc))
+ {
+ y = ((flags & 0x3) << 8) + m_input.ReadByte() + 16;
+ x = 0;
+ }
+ else if ((flags & 0xc) == 0x4)
+ {
+ y = ((flags & 0x3) << 8) + m_input.ReadByte() + 16;
+ x = -1;
+ }
+ else if ((flags & 0xc) == 0x8)
+ {
+ y = ((flags & 0x3) << 8) + m_input.ReadByte() + 16;
+ x = 1;
+ }
+ else
+ {
+ pos = ((flags & 0x3) << 8) + m_input.ReadByte() + 2058;
+ src = dst - 4 * pos;
+ Buffer.BlockCopy (m_output, src, m_output, dst, 4);
+ dst += 4;
+ continue;
+ }
+ }
+ else if ((flags & 0x30) == 0x10)
+ {
+ y = (flags & 0xf) + 1;
+ x = 0;
+ }
+ else if ((flags & 0x30) == 0x20)
+ {
+ y = (flags & 0xf) + 1;
+ x = -1;
+ }
+ else
+ {
+ y = (flags & 0xf) + 1;
+ x = 1;
+ }
+ src = dst + (x - m_width * y) * 4;
+ Buffer.BlockCopy (m_output, src, m_output, dst, 4);
+ dst += 4;
+ }
+ }
+ }
+
+ public void UnpackAlpha ()
+ {
+ int dst = 3;
+ while (dst < m_output.Length)
+ {
+ byte flags = m_input.ReadByte();
+ if (0xff == flags)
+ break;
+
+ int count, pos;
+
+ if (0 == (flags & 0xc0))
+ {
+ if (0 != (flags & 0x20))
+ count = ((flags & 0x1f) << 8) + m_input.ReadByte() + 33;
+ else
+ count = (flags & 0x1f) + 1;
+
+ for (int i = 0; i < count; ++i)
+ {
+ m_output[dst] = m_input.ReadByte();
+ dst += 4;
+ }
+ }
+ else if (0x40 == (flags & 0xc0))
+ {
+ if (0 != (flags & 0x20))
+ count = ((flags & 0x1f) << 8) + m_input.ReadByte() + 35;
+ else
+ count = (flags & 0x1f) + 3;
+
+ byte a = m_input.ReadByte();
+ for (int i = 0; i < count; ++i)
+ {
+ m_output[dst] = a;
+ dst += 4;
+ }
+ }
+ else
+ {
+ if (0x80 == (flags & 0xc0))
+ {
+ if (0 == (flags & 0x30))
+ {
+ count = (flags & 0xf) + 2;
+ pos = m_input.ReadByte() + 2;
+ }
+ else if (0x10 == (flags & 0x30))
+ {
+ pos = ((flags & 0xf) << 8) + m_input.ReadByte() + 3;
+ count = m_input.ReadByte() + 4;
+ }
+ else if ((flags & 0x30) == 0x20)
+ {
+ pos = ((flags & 0xf) << 8) + m_input.ReadByte() + 3;
+ count = 3;
+ }
+ else
+ {
+ pos = ((flags & 0xf) << 8) + m_input.ReadByte() + 3;
+ count = 4;
+ }
+ }
+ else if (0 != (flags & 0x20))
+ {
+ pos = (flags & 0x1f) + 2;
+ count = 2;
+ }
+ else
+ {
+ pos = (flags & 0x1f) + 1;
+ count = 1;
+ }
+
+ int src = dst - 4 * pos;
+ for (int i = 0; i < count; ++i)
+ {
+ m_output[dst] = m_output[src];
+ src += 4;
+ dst += 4;
+ }
+ }
+ }
+ }
+
+ void UnpackRGB ()
+ {
+ int dst = 0;
+ for (;;)
+ {
+ byte flags = m_input.ReadByte();
+ if (0xff == flags)
+ break;
+ int count, pos, src;
+ if (0 == (flags & 0xc0))
+ {
+ if (0 != (flags & 0x20))
+ count = ((flags & 0x1f) << 8) + m_input.ReadByte() + 33;
+ else
+ count = (flags & 0x1f) + 1;
+
+ for (int i = 0; i < count; ++i)
+ {
+ m_output[dst++] = m_input.ReadByte();
+ m_output[dst++] = m_input.ReadByte();
+ m_output[dst++] = m_input.ReadByte();
+ }
+ }
+ else if ((flags & 0xc0) == 0x40)
+ {
+ if (0 != (flags & 0x20))
+ count = ((flags & 0x1f) << 8) + m_input.ReadByte() + 34;
+ else
+ count = (flags & 0x1f) + 2;
+
+ byte b = m_input.ReadByte();
+ byte g = m_input.ReadByte();
+ byte r = m_input.ReadByte();
+ for (int i = 0; i < count; ++i)
+ {
+ m_output[dst++] = b;
+ m_output[dst++] = g;
+ m_output[dst++] = r;
+ }
+ }
+ else if ((flags & 0xc0) == 0x80)
+ {
+ if (0 == (flags & 0x30))
+ {
+ count = (flags & 0xf) + 1;
+ pos = m_input.ReadByte() + 2;
+ }
+ else if ((flags & 0x30) == 0x10)
+ {
+ pos = ((flags & 0xf) << 8) + m_input.ReadByte() + 2;
+ count = m_input.ReadByte() + 1;
+ }
+ else if ((flags & 0x30) == 0x20)
+ {
+ byte tmp = m_input.ReadByte();
+ pos = ((((flags & 0xf) << 8) + tmp) << 8) + m_input.ReadByte() + 4098;
+ count = m_input.ReadByte() + 1;
+ }
+ else
+ {
+ if (0 != (flags & 8))
+ pos = ((flags & 0x7) << 8) + m_input.ReadByte() + 10;
+ else
+ pos = (flags & 0x7) + 2;
+ count = 1;
+ }
+
+ src = dst - 3 * pos;
+ Binary.CopyOverlapped (m_output, src, dst, count*3);
+ dst += count*3;
+ }
+ else
+ {
+ int y, x;
+
+ if (0 == (flags & 0x30))
+ {
+ if (0 == (flags & 0xc))
+ {
+ y = ((flags & 0x3) << 8) + m_input.ReadByte() + 16;
+ x = 0;
+ }
+ else if ((flags & 0xc) == 0x4)
+ {
+ y = ((flags & 0x3) << 8) + m_input.ReadByte() + 16;
+ x = -1;
+ }
+ else if ((flags & 0xc) == 0x8)
+ {
+ y = ((flags & 0x3) << 8) + m_input.ReadByte() + 16;
+ x = 1;
+ }
+ else
+ {
+ pos = ((flags & 0x3) << 8) + m_input.ReadByte() + 2058;
+ src = dst - 3 * pos;
+ m_output[dst++] = m_output[src++];
+ m_output[dst++] = m_output[src++];
+ m_output[dst++] = m_output[src];
+ continue;
+ }
+ }
+ else if ((flags & 0x30) == 0x10)
+ {
+ y = (flags & 0xf) + 1;
+ x = 0;
+ }
+ else if ((flags & 0x30) == 0x20)
+ {
+ y = (flags & 0xf) + 1;
+ x = -1;
+ }
+ else
+ {
+ y = (flags & 0xf) + 1;
+ x = 1;
+ }
+ src = dst + (x - m_width * y) * 3;
+ m_output[dst++] = m_output[src++];
+ m_output[dst++] = m_output[src++];
+ m_output[dst++] = m_output[src];
+ }
+ }
+ }
+
+ #region IDisposable Members
+ bool disposed = false;
+
+ public void Dispose ()
+ {
+ Dispose (true);
+ GC.SuppressFinalize (this);
+ }
+
+ protected virtual void Dispose (bool disposing)
+ {
+ if (!disposed)
+ {
+ if (disposing)
+ m_input.Dispose();
+ disposed = true;
+ }
+ }
+ #endregion
+ }
+ }
+}
diff --git a/ArcFormats/Properties/AssemblyInfo.cs b/ArcFormats/Properties/AssemblyInfo.cs
index 29be03a1..d917e655 100644
--- a/ArcFormats/Properties/AssemblyInfo.cs
+++ b/ArcFormats/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion ("1.0.4.40")]
-[assembly: AssemblyFileVersion ("1.0.4.40")]
+[assembly: AssemblyVersion ("1.0.4.41")]
+[assembly: AssemblyFileVersion ("1.0.4.41")]
diff --git a/supported.html b/supported.html
index 5721fc87..ddbf97a7 100644
--- a/supported.html
+++ b/supported.html
@@ -135,6 +135,8 @@ Nikutai Ten'i
| *.s25 | S25 | No |
| * | ARC2
ARC1 | No | AST | Jokyoushi wo Kurau |
| *.dat | - | No | Ail | Ragna☆彡Science |
+| *.lpk | LPK1 | No | Lucifen | Doki Doki Rooming |
+| *.elg | ELG | No |
[1] Non-encrypted only