From 1bd71931b8452dd01f1768b38f44c9503e2028dc Mon Sep 17 00:00:00 2001
From: viktorljung <vilb12@student.bth.se>
Date: Fri, 4 Mar 2016 02:53:23 +0100
Subject: [PATCH] Fixed crash when trying to blend to a nonexistent node

---
 src/Engine/Rendering/BlendTree.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Engine/Rendering/BlendTree.cpp b/src/Engine/Rendering/BlendTree.cpp
index 60858f2a..9b6679ea 100644
--- a/src/Engine/Rendering/BlendTree.cpp
+++ b/src/Engine/Rendering/BlendTree.cpp
@@ -219,7 +219,6 @@ BlendTree::AutoBlendInfo BlendTree::AutoBlendStep(AutoBlendInfo blendInfo)
         }
     }
 
-
     if(goalNodes.size() == 0) {
         return blendInfo;
     } else if(goalNodes.size() == 1) {
@@ -383,6 +382,10 @@ EntityWrapper BlendTree::GetSubTreeRoot(std::string nodeName)
 {
     std::vector<Node*> nodes = FindNodesByName(nodeName);
 
+    if (nodes.size() == 0) {
+        return EntityWrapper::Invalid;
+    }
+
     std::vector<Node*> subTreeRoots;
 
     for (auto it = nodes.begin(); it != nodes.end(); it++) {