Added Macro's new cube map generation classes and osgcubemap demo.

include/osgUtil/ReflectionMapGenerator

@@ -0,0 +1,43 @@
+#ifndef OSGUTIL_REFLECTIONMAPGENERATOR_
+#define OSGUTIL_REFLECTIONMAPGENERATOR_
+
+#include <osgUtil/CubeMapGenerator>
+
+namespace osgUtil
+{
+
+	/** This is the most simple cube map generator. It performs a direct association 
+	    between reflection vector and RGBA color (C = R).
+	*/
+	class ReflectionMapGenerator: public CubeMapGenerator {
+	public:
+		inline ReflectionMapGenerator(int texture_size = 64);
+		inline ReflectionMapGenerator(const ReflectionMapGenerator &copy, const osg::CopyOp &copyop = osg::CopyOp::SHALLOW_COPY);
+
+	protected:
+		virtual ~ReflectionMapGenerator() {}
+		ReflectionMapGenerator &operator=(const ReflectionMapGenerator &) { return *this; }
+
+		inline virtual osg::Vec4 compute_color(const osg::Vec3 &R) const;
+	};
+
+	// INLINE METHODS
+
+	inline ReflectionMapGenerator::ReflectionMapGenerator(int texture_size)
+		: CubeMapGenerator(texture_size)
+	{
+	}
+
+	inline ReflectionMapGenerator::ReflectionMapGenerator(const ReflectionMapGenerator &copy, const osg::CopyOp &copyop)
+		: CubeMapGenerator(copy, copyop)
+	{
+	}
+
+	inline osg::Vec4 ReflectionMapGenerator::compute_color(const osg::Vec3 &R) const
+	{
+		return vector_to_color(R / R.length());
+	}
+
+}
+
+#endif