From d68ea994d56fc03d009eccbab079a7f51883d8ba Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Tue, 17 Nov 2015 01:51:21 +0100
Subject: [PATCH] Deal with empty meshes

---
 components/resource/bulletshapemanager.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/components/resource/bulletshapemanager.cpp b/components/resource/bulletshapemanager.cpp
index c4e46321f..9aae1cad4 100644
--- a/components/resource/bulletshapemanager.cpp
+++ b/components/resource/bulletshapemanager.cpp
@@ -80,6 +80,9 @@ public:
 
     osg::ref_ptr<BulletShape> getShape()
     {
+        if (!mTriangleMesh)
+            return osg::ref_ptr<BulletShape>();
+
         osg::ref_ptr<BulletShape> shape (new BulletShape);
         TriangleMeshShape* meshShape = new TriangleMeshShape(mTriangleMesh, true);
         shape->mCollisionShape = meshShape;
@@ -134,6 +137,8 @@ osg::ref_ptr<BulletShapeInstance> BulletShapeManager::createInstance(const std::
             NodeToShapeVisitor visitor;
             node->accept(visitor);
             shape = visitor.getShape();
+            if (!shape)
+                return osg::ref_ptr<BulletShapeInstance>();
         }
 
         mIndex[normalized] = shape;