From 4c28f31f43ad18586d78652fa96d782e1e509794 Mon Sep 17 00:00:00 2001
From: Turo Lamminen <turotl@gmail.com>
Date: Wed, 1 Apr 2015 16:11:53 +0300
Subject: [PATCH] X: Throw error when scene contains no root node

Otherwise MakeLeftHandedProcess will crash.
---
 code/XFileImporter.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/XFileImporter.cpp b/code/XFileImporter.cpp
index 6f16d7451..75932a17a 100644
--- a/code/XFileImporter.cpp
+++ b/code/XFileImporter.cpp
@@ -156,6 +156,10 @@ void XFileImporter::CreateDataRepresentationFromImport( aiScene* pScene, XFile::
 		CreateMeshes( pScene, pScene->mRootNode, pData->mGlobalMeshes);
 	}
 
+	if (!pScene->mRootNode) {
+		throw DeadlyImportError( "No root node" );
+	}
+
 	// Convert everything to OpenGL space... it's the same operation as the conversion back, so we can reuse the step directly
 	MakeLeftHandedProcess convertProcess;
 	convertProcess.Execute( pScene);