+ ssgSelector *gnd_lights_brightness;
+
+ // ADA --->
+ // Runway centre coords.
+ Point3D rway_center; // Reqd. for switching as function of distance from runway center
+ //pointers for Runway lights
+ ssgTransform *lightmaps_transform; // branch for runway lights
+ ssgRangeSelector *lightmaps_range; // tried to maintain same structure as Curt's ground
+ ssgSelector *lightmaps_brightness; // selector node for points/ lightmaps
+
+ ssgSimpleState *lightmap_state; // OpenGL state of the polygons that make up runway lights
+ ssgVertexArray *light_points; // array of runway light coords.
+ // <--- ADA