From 31a01d74c62862449f688a7c590267e44e9f181f Mon Sep 17 00:00:00 2001
From: Mathew Sutcliffe <oktal3700@gmail.com>
Date: Wed, 15 Mar 2017 22:12:48 +0000
Subject: [PATCH] refs #896 Enable toggle of interpolator mode in X-Plane.

---
 src/xbus/traffic.cpp | 14 ++++++++++++++
 src/xbus/traffic.h   |  4 ++++
 2 files changed, 18 insertions(+)

diff --git a/src/xbus/traffic.cpp b/src/xbus/traffic.cpp
index 55af7927e..014b81872 100644
--- a/src/xbus/traffic.cpp
+++ b/src/xbus/traffic.cpp
@@ -223,6 +223,7 @@ namespace XBus
         if (id)
         {
             auto plane = new Plane(id, callsign, aircraftIcao, airlineIcao, livery);
+            plane->interpolator.setMode(m_interpolatorMode);
             m_planesByCallsign[callsign] = plane;
             m_planesById[id] = plane;
         }
@@ -390,6 +391,19 @@ namespace XBus
         }
     }
 
+    void CTraffic::toggleInterpolatorMode()
+    {
+        switch (m_interpolatorMode)
+        {
+        case BlackMisc::Simulation::CInterpolatorMulti::ModeLinear: m_interpolatorMode = BlackMisc::Simulation::CInterpolatorMulti::ModeSpline; break;
+        case BlackMisc::Simulation::CInterpolatorMulti::ModeSpline: m_interpolatorMode = BlackMisc::Simulation::CInterpolatorMulti::ModeLinear; break;
+        }
+        for (auto plane : m_planesByCallsign)
+        {
+            plane->interpolator.setMode(m_interpolatorMode);
+        }
+    }
+
 }
 
 //! \endcond
diff --git a/src/xbus/traffic.h b/src/xbus/traffic.h
index 6b90313f4..fdc7f99c2 100644
--- a/src/xbus/traffic.h
+++ b/src/xbus/traffic.h
@@ -14,6 +14,7 @@
 
 #include "datarefs.h"
 #include "terrainprobe.h"
+#include "command.h"
 #include "blackmisc/aviation/aircraftsituationlist.h"
 #include "blackmisc/aviation/aircraftpartslist.h"
 #include "blackmisc/simulation/interpolatormulti.h"
@@ -140,6 +141,9 @@ namespace XBus
         };
         QHash<QString, Plane *> m_planesByCallsign;
         QHash<void *, Plane *> m_planesById;
+        BlackMisc::Simulation::CInterpolatorMulti::Mode m_interpolatorMode = BlackMisc::Simulation::CInterpolatorMulti::ModeSpline;
+        CCommand m_interpolatorModeCommand { "org/swift-project/xbus/toggle_lerp_mode", "Toggle interpolation mode", [this] { toggleInterpolatorMode(); } };
+        void toggleInterpolatorMode();
 
         int getPlaneData(void *id, int dataType, void *io_data);
         static int getPlaneData(void *id, int dataType, void *io_data, void *self)