From c3c0f68f76c031adcf610fdd3dbeee59bc33d553 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Thu, 21 Nov 2013 17:39:05 +0000
Subject: [PATCH] NavData: can refresh some in-place.

(Hacking to support faster scenery-path switching)
---
 src/Airports/runways.cxx  | 10 ++++++++++
 src/Airports/runways.hxx  |  4 ++++
 src/Navaids/navrecord.cxx |  6 ++++++
 src/Navaids/navrecord.hxx |  3 ++-
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/Airports/runways.cxx b/src/Airports/runways.cxx
index 84205a276..4dc866076 100644
--- a/src/Airports/runways.cxx
+++ b/src/Airports/runways.cxx
@@ -204,6 +204,16 @@ FGRunway::getApproaches(flightgear::ProcedureType type) const
   return result;
 }
 
+void FGRunway::updateThreshold(const SGGeod& newThreshold, double newHeading,
+                     double newDisplacedThreshold,
+                     double newStopway)
+{
+    modifyPosition(newThreshold);
+    _heading = newHeading;
+    _stopway = newStopway;
+    _displ_thresh = newDisplacedThreshold;
+}
+
 FGHelipad::FGHelipad(PositionedID aGuid,
                         PositionedID aAirport, const string& aIdent,
                         const SGGeod& aGeod,
diff --git a/src/Airports/runways.hxx b/src/Airports/runways.hxx
index 03434ab8e..ae4404753 100644
--- a/src/Airports/runways.hxx
+++ b/src/Airports/runways.hxx
@@ -117,6 +117,10 @@ public:
     flightgear::ProcedureType type = flightgear::PROCEDURE_INVALID
   ) const;
   
+  void updateThreshold(const SGGeod& newThreshold,
+                       double newHeading,
+                       double newDisplacedThreshold,
+                       double newStopway);
 };
 
 class FGHelipad : public FGRunwayBase
diff --git a/src/Navaids/navrecord.cxx b/src/Navaids/navrecord.cxx
index 8700a577f..cb83fd02d 100644
--- a/src/Navaids/navrecord.cxx
+++ b/src/Navaids/navrecord.cxx
@@ -103,6 +103,12 @@ void FGNavRecord::setColocatedDME(PositionedID other)
   mColocated = other;
 }
 
+void FGNavRecord::updateFromXML(const SGGeod& geod, double heading)
+{
+    modifyPosition(geod);
+    multiuse = heading;
+}
+
 FGTACANRecord::FGTACANRecord(void) :
     channel(""),
     freq(0)
diff --git a/src/Navaids/navrecord.hxx b/src/Navaids/navrecord.hxx
index e4f28c5f8..a96e171d8 100644
--- a/src/Navaids/navrecord.hxx
+++ b/src/Navaids/navrecord.hxx
@@ -49,7 +49,6 @@ class FGNavRecord : public FGPositioned
     PositionedID mColocated;     // Colocated DME at a navaid (ILS, VOR, TACAN, NDB)
     bool serviceable;		// for failure modeling
 
-  void processSceneryILS(SGPropertyNode* aILSNode);
 public:
   FGNavRecord(PositionedID aGuid, Type type, const std::string& ident,
               const std::string& name,
@@ -90,6 +89,8 @@ public:
 
   void setColocatedDME(PositionedID other);
   bool hasDME();
+    
+    void updateFromXML(const SGGeod& geod, double heading);
 };
 
 class FGTACANRecord : public SGReferenced {
-- 
2.39.5