From 0b36f0becc02ca9f02119dd08107b6c36e4fc2ac Mon Sep 17 00:00:00 2001
From: pharan <johndygit@live.com.ph>
Date: Wed, 17 Oct 2018 22:06:24 +0800
Subject: [PATCH] [unity] Fix MeshGenerator unnecessarily replacing buffer
 objects.

---
 spine-unity/Assets/spine-unity/Mesh Generation/SpineMesh.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/spine-unity/Assets/spine-unity/Mesh Generation/SpineMesh.cs b/spine-unity/Assets/spine-unity/Mesh Generation/SpineMesh.cs
index 9d4b12032..c9b012184 100644
--- a/spine-unity/Assets/spine-unity/Mesh Generation/SpineMesh.cs	
+++ b/spine-unity/Assets/spine-unity/Mesh Generation/SpineMesh.cs	
@@ -457,10 +457,12 @@ namespace Spine.Unity {
 
 			if (submeshes.Count - 1 < submeshIndex) {
 				submeshes.Resize(submeshIndex + 1);
-				if (submeshes.Items[submeshIndex] == null)
-					submeshes.Items[submeshIndex] = new ExposedList<int>();
 			}
+
 			var submesh = submeshes.Items[submeshIndex];
+			if (submesh == null)
+				submeshes.Items[submeshIndex] = submesh = new ExposedList<int>();
+
 			submesh.Clear(false);
 
 			var skeleton = instruction.skeleton;