From 780055899d2f8287f7a6bc7849c576607c031f36 Mon Sep 17 00:00:00 2001
From: Nelsson Huotari <unelsson@gmail.com>
Date: Thu, 9 May 2019 21:26:34 +0300
Subject: [PATCH] Don't add empty primitive sets to geometry.

---
 apps/opencs/view/render/terrainselection.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/opencs/view/render/terrainselection.cpp b/apps/opencs/view/render/terrainselection.cpp
index 93a904689..cefcfa117 100644
--- a/apps/opencs/view/render/terrainselection.cpp
+++ b/apps/opencs/view/render/terrainselection.cpp
@@ -127,7 +127,7 @@ void CSVRender::TerrainSelection::update()
     mGeometry->setVertexArray(vertices);
     osg::ref_ptr<osg::DrawArrays> drawArrays = new osg::DrawArrays(osg::PrimitiveSet::LINES);
     drawArrays->setCount(vertices->size());
-    mGeometry->addPrimitiveSet(drawArrays);
+    if (vertices->size() != 0) mGeometry->addPrimitiveSet(drawArrays);
     mSelectionNode->addChild(mGeometry);
 }