From c1614d3706d2038b4b862caf2b94c458178fb0f4 Mon Sep 17 00:00:00 2001
From: morkt <muvluv.ru@gmail.com>
Date: Mon, 21 Sep 2015 21:48:44 +0400
Subject: [PATCH] (AlfOpener.TryOpen): recognize "sys3ini.bin" index file.

---
 ArcFormats/Eushully/ArcALF.cs | 25 +++++++++++++++++--------
 supported.html                |  3 ++-
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/ArcFormats/Eushully/ArcALF.cs b/ArcFormats/Eushully/ArcALF.cs
index 2b5263c0..7b2374c7 100644
--- a/ArcFormats/Eushully/ArcALF.cs
+++ b/ArcFormats/Eushully/ArcALF.cs
@@ -41,16 +41,25 @@ public class AlfOpener : ArchiveFormat
         public override bool  IsHierarchic { get { return false; } }
         public override bool     CanCreate { get { return false; } }
 
+        static string[] IndexNames = new string[] { "sys4ini.bin", "sys3ini.bin" };
+
         public override ArcFile TryOpen (ArcView file)
         {
-            string ini_path = VFS.CombinePath (Path.GetDirectoryName (file.Name), "sys4ini.bin");
-            if (!VFS.FileExists (ini_path))
-                return null;
-
-            var dir = ReadIndex (ini_path, Path.GetFileName (file.Name));
-            if (null == dir)
-                return null;
-            return new ArcFile (file, this, dir);
+            string dir_name = Path.GetDirectoryName (file.Name);
+            string file_name = Path.GetFileName (file.Name);
+            foreach (var ini_name in IndexNames)
+            {
+                string ini_path = VFS.CombinePath (dir_name, ini_name);
+                if (VFS.FileExists (ini_path))
+                {
+                    var dir = ReadIndex (ini_path, file_name);
+                    if (null != dir)
+                        return new ArcFile (file, this, dir);
+                    if (LastAccessedIndex != null)
+                        break;
+                }
+            }
+            return null;
         }
 
         Tuple<string, Dictionary<string, List<Entry>>> LastAccessedIndex;
diff --git a/supported.html b/supported.html
index 51a6d510..6db5e3b1 100644
--- a/supported.html
+++ b/supported.html
@@ -387,9 +387,10 @@
 <tr><td>*.pak</td><td><tt>PAK</tt></td><td>No</td><td>Debonosu Works</td><td>
 Gigai no Alruna<br/>
 </td></tr>
-<tr class="odd"><td>*.alf<br/>sys4ini.bin</td><td><tt>S4IC</tt></td><td>No</td><td rowspan="2">Eushully</td><td rowspan="2">
+<tr class="odd"><td>sys4ini.bin<br/>sys3ini.bin<br/>*.alf</td><td><tt>S4IC</tt><br/><tt>S3IC</tt></td><td>No</td><td rowspan="2">Eushully</td><td rowspan="2">
 Soukai no Oujo-tachi<br/>
 </td></tr>
+<tr class="odd"><td>*.agf</td><td><tt>ACGF</tt></td><td>No</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>