X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fscene%2Ftgdb%2FGroundLightManager.hxx;h=2da72bc4f6242a7345411611fc5bfaf2f2d9fdeb;hb=3b5665fe92802d3d36d6304cb2c184dc03e91de4;hp=f9bfdf792343102c659ab4ca9021490b9873cb1d;hpb=68c1cfed46fd65d3a1a8f60311f5394ebc68e574;p=simgear.git

diff --git a/simgear/scene/tgdb/GroundLightManager.hxx b/simgear/scene/tgdb/GroundLightManager.hxx
index f9bfdf79..2da72bc4 100644
--- a/simgear/scene/tgdb/GroundLightManager.hxx
+++ b/simgear/scene/tgdb/GroundLightManager.hxx
@@ -22,11 +22,14 @@
 #include <osg/Vec4>
 #include <osg/Referenced>
 #include <osg/StateSet>
+
+
+#include <simgear/scene/util/OsgSingleton.hxx>
 #include <simgear/scene/util/SGUpdateVisitor.hxx>
 
 namespace simgear
 {
-class GroundLightManager : public osg::Referenced {
+class GroundLightManager : public ReferencedSingleton<GroundLightManager> {
 public:
     GroundLightManager();
     osg::StateSet* getRunwayLightStateSet() { return runwayLightSS.get(); }
@@ -36,7 +39,6 @@ public:
     // so use it.
     void update (const SGUpdateVisitor* updateVisitor);
     unsigned getLightNodeMask(const SGUpdateVisitor* updateVisitor);
-    static GroundLightManager* instance();
 protected:
     osg::ref_ptr<osg::StateSet> runwayLightSS;
     osg::ref_ptr<osg::StateSet> taxiLightSS;