turn off broken lighting

panda/src/framework/framework_multimon.cxx

@@ -343,6 +343,8 @@ void display_func( void ) {
 
 void set_lighting(bool enabled) {
   if (enabled) {
+    cerr << "lighting is no longer supported in old scene graph.\n";
+    /*
     // Enable the lights on the initial state.
     PT(LightTransition) la = new LightTransition;
     la->set_on(light.p());
@@ -351,6 +353,7 @@ void set_lighting(bool enabled) {
       la->set_on(dlight.p());
     }
     render_arc->set_transition(la);
+    */
 
   } else {
     // Remove the lights from the initial state.
@@ -1182,6 +1185,7 @@ int framework_main(int argc, char *argv[]) {
   lights = new NamedNode("lights");
   new RenderRelation(camera_top, lights);
 
+  /*
   light = new AmbientLight( "ambient" );
   dlight = new DirectionalLight( "directional" );
   plight = new PointLight( "point" );
@@ -1195,6 +1199,7 @@ int framework_main(int argc, char *argv[]) {
   new RenderRelation( lights, plight );
   new RenderRelation( lights, slight );
 #endif
+  */
 
   // Turn on culling.
   CullFaceTransition *cfa = new CullFaceTransition(CullFaceProperty::M_cull_clockwise);