From 27f27c53d54913523d24546d7cdacf6bc94be095 Mon Sep 17 00:00:00 2001
From: morkt <morkt@users.noreply.github.com>
Date: Thu, 1 Nov 2018 23:55:34 +0400
Subject: [PATCH] (PD): decrypt DSF scripts.

---
 ArcFormats/FlyingShine/ArcPD.cs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/ArcFormats/FlyingShine/ArcPD.cs b/ArcFormats/FlyingShine/ArcPD.cs
index 7ac34c79..cff7ca6c 100644
--- a/ArcFormats/FlyingShine/ArcPD.cs
+++ b/ArcFormats/FlyingShine/ArcPD.cs
@@ -252,6 +252,19 @@ namespace GameRes.Formats.Fs
             return new ArcFile (file, this, dir);
         }
 
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            if (!entry.Name.HasAnyOfExtensions (".def", ".dsf") || entry.Size < 2)
+                return base.OpenEntry (arc, entry);
+            var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
+            byte key = (byte)(data[data.Length-1] ^ 0xA);
+            if (0xD == (data[data.Length-2] ^ key))
+            {
+                DecodeEntry (data, key);
+            }
+            return new BinMemoryStream (data);
+        }
+
         void DecodeEntry (byte[] buf, byte key)
         {
             for (int i = 0; i < buf.Length; ++i)