From Paul Martz, added support for OpenFlight15.8 LightPointSystems

include/osgSim/LightPointSystem

@@ -0,0 +1,63 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2004 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#ifndef OSGSIM_LIGHTPOINTSYSTEM
+#define OSGSIM_LIGHTPOINTSYSTEM 1
+
+#include <osg/Object>
+
+
+namespace osgSim {
+
+
+/*
+ * LightPointSYSTEM encapsulates animation and intensity state in a single object
+ *   that can be shared by several osgSim::LightPointNodes, thereby allowing an
+ *   application to efficiently control the animation/intensity state of
+ *   several LightPointNodes.
+ */
+class LightPointSystem : public osg::Object
+{
+    public :
+        LightPointSystem() : _intensity( 1.f ), _animationState( ANIMATION_ON )
+            { }
+
+        /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
+        LightPointSystem( const LightPointSystem& lps, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY ) :
+            osg::Object( lps, copyop ), _intensity( lps._intensity ), _animationState( lps._animationState )
+            { }
+
+        META_Object( osgSim, LightPointSystem )
+        
+        typedef enum {
+            ANIMATION_ON,
+            ANIMATION_OFF,
+            ANIMATION_RANDOM
+        } AnimationState;
+
+        void setIntensity( float intensity ) { _intensity = intensity; }
+        float getIntensity() const { return _intensity; }
+
+        void setAnimationState( LightPointSystem::AnimationState state ) { _animationState = state; }
+        LightPointSystem::AnimationState getAnimationState() const { return _animationState; }
+
+    protected:
+        ~LightPointSystem() {}
+
+        float _intensity;
+        AnimationState _animationState;
+};
+
+}
+
+#endif