Tweaks from Julian Foad:

[flightgear.git] / src / Scenery / tileentry.cxx

diff --git a/src/Scenery/tileentry.cxx b/src/Scenery/tileentry.cxx
index c1e4bc3c7add2e667b0dffafda5aa24a587104c0..e2431a131b1b1c4580f4fcac8ebfbc2487be18be 100644 (file)
--- a/src/Scenery/tileentry.cxx
+++ b/src/Scenery/tileentry.cxx
@@ -868,6 +868,36 @@ void FGTileEntry::prep_ssg_node( const Point3D& p, float vis) {
 }
 
 
+// Set up lights rendering call backs
+static int fgLightsPredraw( ssgEntity *e ) {
+#if 0
+#ifdef GL_EXT_point_parameters
+    if (glutExtensionSupported("GL_EXT_point_parameters")) {
+       static float quadratic[3] = {1.0, 0.01, 0.0001};
+       glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, quadratic);
+       glPointParameterfEXT(GL_POINT_SIZE_MIN_EXT, 1.0); 
+       glPointSize(4.0);
+    }
+#endif
+#endif
+    return true;
+}
+
+static int fgLightsPostdraw( ssgEntity *e ) {
+#if 0
+#ifdef GL_EXT_point_parameters
+    if (glutExtensionSupported("GL_EXT_point_parameters")) {
+       static float default_attenuation[3] = {1.0, 0.0, 0.0};
+       glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT,
+                             default_attenuation);
+       glPointSize(1.0);
+    }
+#endif
+#endif
+    return true;
+}
+
+
 ssgLeaf* FGTileEntry::gen_lights( ssgVertexArray *lights, int inc, float bright ) {
     // generate a repeatable random seed
     float *p1 = lights->get( 0 );
@@ -920,6 +950,8 @@ ssgLeaf* FGTileEntry::gen_lights( ssgVertexArray *lights, int inc, float bright
     // assign state
     FGNewMat *newmat = material_lib.find( "LIGHTS" );
     leaf->setState( newmat->get_state() );
+    leaf->setCallback( SSG_CALLBACK_PREDRAW, fgLightsPredraw );
+    leaf->setCallback( SSG_CALLBACK_POSTDRAW, fgLightsPostdraw );
 
     return leaf;
 }