From 9d1f9e795944c00fd90b8fac05ea361223ebce3a Mon Sep 17 00:00:00 2001
From: David Williams <david@david-williams.info>
Date: Tue, 23 Jun 2009 21:01:31 +0000
Subject: [PATCH] Hack to fix crash.

---
 library/PolyVoxCore/source/IndexedSurfacePatch.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/library/PolyVoxCore/source/IndexedSurfacePatch.cpp b/library/PolyVoxCore/source/IndexedSurfacePatch.cpp
index 0fda1845..3cb2cb52 100644
--- a/library/PolyVoxCore/source/IndexedSurfacePatch.cpp
+++ b/library/PolyVoxCore/source/IndexedSurfacePatch.cpp
@@ -116,6 +116,11 @@ namespace PolyVox
 
 	void IndexedSurfacePatch::smooth(float fAmount, bool bIncludeEdgeVertices)
 	{
+		if(m_vecVertices.size() == 0) //FIXME - I don't think we should need this test, but I have seen crashes otherwise...
+		{
+			return;
+		}
+
 		std::vector<SurfaceVertex> vecOriginalVertices = m_vecVertices;
 
 		Vector3DFloat offset = static_cast<Vector3DFloat>(m_Region.getLowerCorner());