diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index fa2ac926..a28694c8 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -72,6 +72,7 @@
+
@@ -134,7 +135,7 @@
-
+
diff --git a/ArcFormats/StudioEgo/ArcEGO.cs b/ArcFormats/StudioEgo/ArcEGO.cs
index d52f9506..f3e35c9b 100644
--- a/ArcFormats/StudioEgo/ArcEGO.cs
+++ b/ArcFormats/StudioEgo/ArcEGO.cs
@@ -36,7 +36,7 @@ namespace GameRes.Formats.Ego
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
- public override string Tag { get { return "EGO"; } }
+ public override string Tag { get { return "DAT/EGO"; } }
public override string Description { get { return "Studio e.go! engine resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return true; } }
diff --git a/ArcFormats/StudioEgo/ArcPAK0.cs b/ArcFormats/StudioEgo/ArcPAK0.cs
new file mode 100644
index 00000000..db5327ef
--- /dev/null
+++ b/ArcFormats/StudioEgo/ArcPAK0.cs
@@ -0,0 +1,139 @@
+//! \file ArcPAK0.cs
+//! \date Sun Nov 22 10:31:48 2015
+//! \brief Studio e.go! resource archives.
+//
+// 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.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.Ego
+{
+ internal struct DirEntry
+ {
+ public string Name;
+ public int Parent;
+ public int LastIndex;
+ }
+
+ [Export(typeof(ArchiveFormat))]
+ public class Pak0Opener : ArchiveFormat
+ {
+ public override string Tag { get { return "PAK0/EGO"; } }
+ public override string Description { get { return "Studio e.go! resource archive"; } }
+ public override uint Signature { get { return 0x304B4150; } } // 'PAK0'
+ public override bool IsHierarchic { get { return true; } }
+ public override bool CanCreate { get { return false; } }
+
+ public Pak0Opener ()
+ {
+ Extensions = new string[] { "dat" };
+ }
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ uint data_offset = file.View.ReadUInt32 (4);
+ int dir_count = file.View.ReadInt32 (8);
+ int count = file.View.ReadInt32 (0xC);
+ if (data_offset <= 0x14 || data_offset >= file.MaxOffset)
+ return null;
+ if (!IsSaneCount (dir_count) || !IsSaneCount (count))
+ return null;
+ var reader = new Pak0Reader (file, data_offset, dir_count, count);
+ var dir = reader.ReadIndex();
+ return null != dir ? new ArcFile (file, this, dir) : null;
+ }
+ }
+
+ internal sealed class Pak0Reader
+ {
+ ArcView m_file;
+ uint m_data_offset;
+ int m_dir_count;
+ int m_count;
+ uint m_name_pos;
+
+ public Pak0Reader (ArcView file, uint data_offset, int dir_count, int file_count)
+ {
+ m_file = file;
+ m_data_offset = data_offset;
+ m_dir_count = dir_count;
+ m_count = file_count;
+ }
+
+ public List ReadIndex ()
+ {
+ if (m_data_offset > m_file.View.Reserve (0, m_data_offset))
+ return null;
+ uint index_offset = 0x10;
+ m_name_pos = index_offset + (uint)m_dir_count * 8u + (uint)m_count * 0x10u;
+ var dirs = new DirEntry[m_dir_count];
+ for (int i = 0; i < m_dir_count; ++i)
+ {
+ dirs[i].Parent = m_file.View.ReadInt32 (index_offset);
+ dirs[i].LastIndex = m_file.View.ReadInt32 (index_offset+4);
+ if (dirs[i].Parent >= m_dir_count || dirs[i].Parent == i)
+ return null;
+ if (-1 != dirs[i].Parent)
+ dirs[i].Name = ReadNextName();
+ index_offset += 8;
+ }
+ var files = new List (m_count);
+ int current = 0;
+ for (int i = 0; i < m_dir_count; ++i)
+ {
+ string parent_dir = GetPath (dirs, i);
+ while (current < dirs[i].LastIndex)
+ {
+ string name = Path.Combine (parent_dir, ReadNextName());
+ var entry = FormatCatalog.Instance.Create (name);
+ entry.Offset = m_file.View.ReadUInt32 (index_offset);
+ entry.Size = m_file.View.ReadUInt32 (index_offset+4);
+ files.Add (entry);
+ index_offset += 0x10;
+ ++current;
+ }
+ }
+ return files;
+ }
+
+ string GetPath (IList dirs, int dir_index)
+ {
+ List path = new List (2);
+ for (int i = dir_index; dirs[i].Parent != -1; i = dirs[i].Parent)
+ path.Add (dirs[i].Name);
+ if (0 == path.Count)
+ return string.Empty;
+ path.Reverse();
+ return Path.Combine (path.ToArray());
+ }
+
+ string ReadNextName ()
+ {
+ uint length = m_file.View.ReadByte (m_name_pos++);
+ var name = m_file.View.ReadString (m_name_pos, length);
+ m_name_pos += length;
+ return name;
+ }
+ }
+}
diff --git a/supported.html b/supported.html
index a05f85c8..73090279 100644
--- a/supported.html
+++ b/supported.html
@@ -182,6 +182,7 @@ Zecchou Spiral!!
*.isg
ISM IMAGEFILE
No
*.dat *.pak
-
No
Black Rainbow
Gadget
+Fukou na Kami
Saiminjutsu
*.bmd
_BMD
Yes
@@ -513,6 +514,9 @@ Genrin no Kishougun
Bullet Butlers