serial port input device configuration, additional control commands and minor control logic tweaks

renderer.cpp

@@ -434,6 +434,9 @@ opengl_renderer::Render() {
         + " exponent: " + to_string( lightexponent, 2 )
         + " constant attn: " + to_string( lightconstant, 2 )
         + " linear attn: " + to_string( lightlinear, 3 );
+*/
+/*
+    m_debugstatstext = "sun hour angle: " + to_string( -World.Environment.m_sun.getHourAngle(), 6 );
 */
     ++m_framestamp;