From 14b61672a0733f6a43b71cc4e930a5794f14fbce Mon Sep 17 00:00:00 2001
From: John <johndygit@live.com.ph>
Date: Fri, 31 Mar 2017 02:05:03 +0800
Subject: [PATCH] [unity] Fix cloning MeshAttachment nonessential fields.

---
 .../spine-unity/Modules/AttachmentTools/AttachmentTools.cs      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spine-unity/Assets/spine-unity/Modules/AttachmentTools/AttachmentTools.cs b/spine-unity/Assets/spine-unity/Modules/AttachmentTools/AttachmentTools.cs
index 02c9607c3..54b316bdc 100644
--- a/spine-unity/Assets/spine-unity/Modules/AttachmentTools/AttachmentTools.cs
+++ b/spine-unity/Assets/spine-unity/Modules/AttachmentTools/AttachmentTools.cs
@@ -715,7 +715,7 @@ namespace Spine.Unity.Modules.AttachmentTools {
 				ma.hulllength = o.hulllength;
 
 				// Nonessential.
-				ma.Edges = o.Edges.Clone() as int[];
+				ma.Edges = (o.Edges == null) ? null : o.Edges.Clone() as int[]; // Allow absence of Edges array when nonessential data is not exported.
 				ma.Width = o.Width;
 				ma.Height = o.Height;
 			}