From 8896dbcba813ae09c33b5cd2efbdbe54127b8ba5 Mon Sep 17 00:00:00 2001
From: Christian Schmitt <chris@ilovelinux.de>
Date: Thu, 25 Oct 2012 14:18:44 +0200
Subject: [PATCH] Implement omnidirectional REIL

---
 src/Airports/GenAirports850/lights.cxx | 13 ++++++++++---
 src/Airports/GenAirports850/runway.hxx |  2 +-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/Airports/GenAirports850/lights.cxx b/src/Airports/GenAirports850/lights.cxx
index efec77bb..e86d711c 100644
--- a/src/Airports/GenAirports850/lights.cxx
+++ b/src/Airports/GenAirports850/lights.cxx
@@ -553,13 +553,20 @@ TGSuperPoly Runway::gen_touchdown_zone_lights( bool recip )
 
 
 // generate REIL lights
-TGSuperPoly Runway::gen_reil( bool recip )
+TGSuperPoly Runway::gen_reil( const int kind, bool recip )
 {
     point_list lights; lights.clear();
     point_list normals; normals.clear();
     string flag = rwy.rwnum[get_thresh0(recip)];
+    Point3D normal;
 
-    Point3D normal = gen_runway_light_vector( 10, recip );
+    if (kind == 1) {
+        // omnidirectional lights
+        normal = Point3D::fromSGVec3( normalize(SGVec3d::fromGeod(GetStart())) );
+    } else {
+        // unidirectional lights
+        normal = gen_runway_light_vector( 10, recip );
+    }
 
     // determine the start point.
     SGGeod ref;
@@ -1597,7 +1604,7 @@ void Runway::gen_runway_lights( superpoly_list *lights ) {
 
         // REIL lighting
         if ( rwy.reil[side] ) {
-            TGSuperPoly s = gen_reil( recip );
+            TGSuperPoly s = gen_reil( rwy.reil[side], recip );
             lights->push_back( s );
         }
 
diff --git a/src/Airports/GenAirports850/runway.hxx b/src/Airports/GenAirports850/runway.hxx
index a40dfc6c..064184a3 100644
--- a/src/Airports/GenAirports850/runway.hxx
+++ b/src/Airports/GenAirports850/runway.hxx
@@ -161,7 +161,7 @@ private:
     superpoly_list gen_runway_threshold_lights( const int kind, bool recip );
     superpoly_list gen_runway_center_line_lights( bool recip );
     TGSuperPoly gen_touchdown_zone_lights( bool recip );
-    TGSuperPoly gen_reil( bool recip );
+    TGSuperPoly gen_reil( const int kind, bool recip );
     superpoly_list gen_calvert( const string &kind, bool recip );
     superpoly_list gen_alsf( const string &kind, bool recip );
     TGSuperPoly gen_odals( bool recip );