From d288fab6648fb2dd3dee3a2e58e75b6bfeeacdb6 Mon Sep 17 00:00:00 2001
From: pharan <johndygit@live.com.ph>
Date: Tue, 30 May 2017 19:20:06 +0800
Subject: [PATCH] [unity] Handle TextAssets not found.

---
 .../Assets/spine-unity/Editor/SpineEditorUtilities.cs        | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/spine-unity/Assets/spine-unity/Editor/SpineEditorUtilities.cs b/spine-unity/Assets/spine-unity/Editor/SpineEditorUtilities.cs
index 302f94067..f7edf6e55 100644
--- a/spine-unity/Assets/spine-unity/Editor/SpineEditorUtilities.cs
+++ b/spine-unity/Assets/spine-unity/Editor/SpineEditorUtilities.cs
@@ -589,7 +589,8 @@ namespace Spine.Unity.Editor {
 					imagePaths.Add(str);
 					break;
 				case ".json":
-					if (IsSpineData((TextAsset)AssetDatabase.LoadAssetAtPath(str, typeof(TextAsset))))
+					var jsonAsset = (TextAsset)AssetDatabase.LoadAssetAtPath(str, typeof(TextAsset));
+					if (jsonAsset != null && IsSpineData(jsonAsset))
 						skeletonPaths.Add(str);
 					break;
 				case ".bytes":
@@ -1215,6 +1216,8 @@ namespace Spine.Unity.Editor {
 		}
 
 		public static bool IsSpineData (TextAsset asset) {
+			if (asset == null) return false;
+
 			bool isSpineData = false;
 			string rawVersion = null;