From 09acea6eb45290779f7afaf7a71368c1a377a6fc Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Mon, 24 Sep 2018 00:54:09 +0200
Subject: [PATCH] Ref T370, re-init terrain probe when all objects are removed

---
 .../simulator/fsxcommon/simulatorfsxcommon.cpp      | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/plugins/simulator/fsxcommon/simulatorfsxcommon.cpp b/src/plugins/simulator/fsxcommon/simulatorfsxcommon.cpp
index 27abe9a31..ea3f7e818 100644
--- a/src/plugins/simulator/fsxcommon/simulatorfsxcommon.cpp
+++ b/src/plugins/simulator/fsxcommon/simulatorfsxcommon.cpp
@@ -2107,6 +2107,7 @@ namespace BlackSimPlugin
 
         void CSimulatorFsxCommon::clearAllRemoteAircraftData()
         {
+            const bool reinitProbe = m_useFsxTerrainProbe;
             this->removeAllProbes();
 
             // m_addAgainAircraftWhenRemoved cleared below
@@ -2114,6 +2115,18 @@ namespace BlackSimPlugin
             m_simConnectObjects.clear();
             m_addPendingAircraft.clear();
             m_simConnectObjectsPositionAndPartsTraces.clear();
+
+            if (reinitProbe)
+            {
+                // if we are still alive we re-init the probes
+                QPointer<CSimulatorFsxCommon> myself(this);
+                QTimer::singleShot(2000, this, [ = ]
+                {
+                    // Shutdown or unloaded
+                    if (!sApp || sApp->isShuttingDown() || !myself) { return; }
+                    m_initFsxTerrainProbes = false; // probes will re-init
+                });
+            }
         }
 
         QString CSimulatorFsxCommon::fsxPositionToString(const SIMCONNECT_DATA_INITPOSITION &position)