refs #466 Resolved TODO items in xbus.

src/xbus/datarefs.h

@@ -9,6 +9,7 @@
 //! \file
 
 #include <XPLM/XPLMDataAccess.h>
+#include <XPLM/XPLMUtilities.h>
 #include <vector>
 #include <string>
 #include <cassert>
@@ -24,7 +25,11 @@ namespace XBus
     public:
         DataRefImpl(char const* name) : m_ref(XPLMFindDataRef(name))
         {
-            //TODO warn if m_ref is NULL
+            if (! m_ref)
+            {
+                XPLMDebugString("Missing dataref:");
+                XPLMDebugString(name);
+            }
         }
 
         template <typename T>
@@ -43,7 +48,11 @@ namespace XBus
     public:
         ArrayDataRefImpl(char const* name, size_t size) : m_ref(XPLMFindDataRef(name)), m_size(size)
         {
-            //TODO warn if m_ref is NULL
+            if (! m_ref)
+            {
+                XPLMDebugString("Missing dataref:");
+                XPLMDebugString(name);
+            }
         }
 
         template <typename T>
@@ -131,7 +140,11 @@ namespace XBus
         //! Constructor
         StringDataRef() : m_ref(XPLMFindDataRef(DataRefTraits::name()))
         {
-            //TODO warn if m_ref is NULL
+            if (! m_ref)
+            {
+                XPLMDebugString("Missing dataref:");
+                XPLMDebugString(DataRefTraits::name());
+            }
         }
 
         //! Set the value of the whole string (if it is writable)

src/xbus/service.h

@@ -98,6 +98,12 @@ namespace XBus
         //! Get full path to X-Plane preferences file
         QString getXPlanePreferencesPath() const;
 
+        //! True if sim is paused
+        bool isPaused() const { return m_paused.get(); }
+
+        //! True if sim time is tracking operating system time
+        bool isUsingRealTime() const { return m_useSystemTime.get(); }
+
         //! Get aircraft latitude in degrees
         double getLatitude() const { return m_latitude.get(); }
 
@@ -217,6 +223,8 @@ namespace XBus
 
         StringDataRef<xplane::data::sim::aircraft::view::acf_livery_path> m_liveryPath;
         StringDataRef<xplane::data::sim::aircraft::view::acf_ICAO> m_icao;
+        DataRef<xplane::data::sim::time::paused> m_paused;
+        DataRef<xplane::data::sim::time::use_system_time> m_useSystemTime;
         DataRef<xplane::data::sim::flightmodel::position::latitude> m_latitude;
         DataRef<xplane::data::sim::flightmodel::position::longitude> m_longitude;
         DataRef<xplane::data::sim::flightmodel::position::elevation> m_elevation;

src/xbus/traffic.cpp

@@ -101,19 +101,24 @@ namespace XBus
         }
     }
 
+    int g_maxPlanes = 100;
+    float g_drawDistance = 50.0f;
+
     int CTraffic::preferences(const char *section, const char *name, int def)
     {
-        Q_UNUSED(name);
-        Q_UNUSED(section);
-        // TODO [planes] max_full_count
+        if (strcmp(section, "planes") == 0 && strcmp(name, "max_full_count") == 0)
+        {
+            return g_maxPlanes;
+        }
         return def;
     }
 
     float CTraffic::preferences(const char *section, const char *name, float def)
     {
-        // TODO [planes] full_distance
-        Q_UNUSED(name);
-        Q_UNUSED(section);
+        if (strcmp(section, "planes") == 0 && strcmp(name, "full_distance") == 0)
+        {
+            return g_drawDistance;
+        }
         return def;
     }
 
@@ -173,6 +178,16 @@ namespace XBus
         emit installedModelsUpdated(modelNames, icaos, airlines, liveries);
     }
 
+    void CTraffic::setMaxPlanes(int planes)
+    {
+        g_maxPlanes = planes;
+    }
+
+    void CTraffic::setMaxDrawDistance(float nauticalMiles)
+    {
+        g_drawDistance = nauticalMiles;
+    }
+
     void CTraffic::addPlane(const QString &callsign, const QString &modelName, const QString &aircraftIcao, const QString &airlineIcao, const QString &livery)
     {
         XPMPPlaneID id = nullptr;

src/xbus/traffic.h

@@ -81,6 +81,12 @@ namespace XBus
         //! Called by newly connected client to cause installedModelsUpdated to be emitted.
         void updateInstalledModels();
 
+        //! Set the maximum number of aircraft.
+        void setMaxPlanes(int planes);
+
+        //! Set the maximum distance at which to draw aircraft (nautical miles).
+        void setMaxDrawDistance(float nauticalMiles);
+
         //! Introduce a new traffic aircraft
         void addPlane(const QString &callsign, const QString &modelName, const QString &aircraftIcao, const QString &airlineIcao, const QString &livery);