diff --git a/src/Aircraft/flightrecorder.cxx b/src/Aircraft/flightrecorder.cxx
index 94a67a15a..9b477cf01 100644
--- a/src/Aircraft/flightrecorder.cxx
+++ b/src/Aircraft/flightrecorder.cxx
@@ -1,43 +1,28 @@
-// flightrecorder.cxx
-//
-// Written by Thorsten Brehm, started August 2011.
-//
-// Copyright (C) 2011 Thorsten Brehm - brehmt (at) gmail com
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA.
-//
-///////////////////////////////////////////////////////////////////////////////
+/*
+ * SPDX-FileName: flightrecorder.cxx
+ * SPDX-FileCopyrightText: Copyright (C) 2011 Thorsten Brehm - brehmt (at) gmail com
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 #ifdef HAVE_CONFIG_H
-#  include "config.h"
+#include "config.h"
 #endif
 
+#include <assert.h>
 #include <stdio.h>
 #include <string.h>
-#include <assert.h>
 
+#include <Main/fg_props.hxx>
+#include <MultiPlayer/mpmessages.hxx>
+#include <MultiPlayer/multiplaymgr.hxx>
 #include <simgear/debug/logstream.hxx>
-#include <simgear/props/props_io.hxx>
+#include <simgear/math/SGMath.hxx>
 #include <simgear/misc/ResourceManager.hxx>
 #include <simgear/misc/strutils.hxx>
+#include <simgear/props/props_io.hxx>
 #include <simgear/structure/exception.hxx>
-#include <simgear/math/SGMath.hxx>
-#include <Main/fg_props.hxx>
+
 #include "flightrecorder.hxx"
-#include <MultiPlayer/multiplaymgr.hxx>
-#include <MultiPlayer/mpmessages.hxx>
 
 using namespace FlightRecorder;
 using std::string;
@@ -75,20 +60,19 @@ static void s_AppendString(std::vector<char>& out, const std::string& s)
 // We treat all property values as text.
 //
 static void s_RecordPropertyDiffs(
-        std::vector<char>& out,
-        SGPropertyNode* a,
-        SGPropertyNode* b,
-        const std::vector<const char*>* path_exclude_prefixes
-        )
+    std::vector<char>& out,
+    SGPropertyNode* a,
+    SGPropertyNode* b,
+    const std::vector<const char*>* path_exclude_prefixes)
 {
     assert(a);
     assert(b);
     assert(a->getNameString() == b->getNameString());
     assert(a->getPath() == b->getPath());
     assert(a->getIndex() == b->getIndex());
-    
+
     if (path_exclude_prefixes) {
-        for (const char* path_exclude_prefix: *path_exclude_prefixes) {
+        for (const char* path_exclude_prefix : *path_exclude_prefixes) {
             if (simgear::strutils::starts_with(a->getPath(true /*simplify*/), path_exclude_prefix)) {
                 SG_LOG(SG_SYSTEMS, SG_BULK, "Ignoring: " << a->getPath(true /*simplify*/));
                 return;
@@ -100,19 +84,15 @@ static void s_RecordPropertyDiffs(
     const std::string b_value = b->getStringValue();
     if (a_value != b_value) {
         // Values are different so write out node <a> and update b.
-        SG_LOG(SG_SYSTEMS, SG_DEBUG, "recording property change:"
-                << a->getPath()
-                << ": "   << b->getStringValue()
-                << " => " << a->getStringValue()
-                );
+        SG_LOG(SG_SYSTEMS, SG_DEBUG, "recording property change:" << a->getPath() << ": " << b->getStringValue() << " => " << a->getStringValue());
         s_AppendString(out, a->getPath(true /*simplify*/));
         s_AppendString(out, a->getStringValue());
         b->setStringValue(a_value);
     }
-    
+
     // Look at all child nodes of <b>, removing any that are not in <a>.
     int bn = b->nChildren();
-    for (int i=0; i<bn; ++i) {
+    for (int i = 0; i < bn; ++i) {
         SGPropertyNode* bc = b->getChild(i);
         SGPropertyNode* ac = a->getChild(bc->getNameString(), bc->getIndex(), false /*create*/);
         if (!ac) {
@@ -123,11 +103,11 @@ static void s_RecordPropertyDiffs(
             b->removeChild(bc);
         }
     }
-    
+
     // Look at all child nodes of <a>, copying across to <b> as required.
     //
     int an = a->nChildren();
-    for (int i=0; i<an; ++i) {
+    for (int i = 0; i < an; ++i) {
         SGPropertyNode* ac = a->getChild(i);
         SGPropertyNode* bc = b->getChild(ac->getNameString(), ac->getIndex(), true /*create*/);
         // Recurse.
@@ -142,17 +122,15 @@ static void s_RecordPropertyDiffs(
 // We write different properties depending on properties such as
 // /sim/replay/record-main-view.
 //
-struct RecordExtraProperties
-{
+struct RecordExtraProperties {
     RecordExtraProperties()
-    :
-    m_record_extra_properties(fgGetNode("/sim/replay/record-extra-properties", true /*create*/)),
-    m_record_main_window(fgGetNode("/sim/replay/record-main-window", true /*create*/)),
-    m_record_main_view(fgGetNode("/sim/replay/record-main-view", true /*create*/)),
-    m_record_extra_properties_paths(fgGetNode("/sim/replay/record-extra-properties-paths", true /*create*/))
+        : m_record_extra_properties(fgGetNode("/sim/replay/record-extra-properties", true /*create*/)),
+          m_record_main_window(fgGetNode("/sim/replay/record-main-window", true /*create*/)),
+          m_record_main_view(fgGetNode("/sim/replay/record-main-view", true /*create*/)),
+          m_record_extra_properties_paths(fgGetNode("/sim/replay/record-extra-properties-paths", true /*create*/))
     {
     }
-    
+
     // Added info about property changes to *ReplayData if we are recording
     // them.
     //
@@ -163,7 +141,7 @@ struct RecordExtraProperties
             // /sim/replay/record-extra-properties-paths/path[].
             //
             auto paths = m_record_extra_properties_paths->getChildren("path");
-            for (SGPropertyNode* n: paths) {
+            for (SGPropertyNode* n : paths) {
                 // We don't try to handle indices or deletion for top-level
                 // property node.
                 //
@@ -177,64 +155,59 @@ struct RecordExtraProperties
                 s_RecordPropertyDiffs(ReplayData->extra_properties, a, b, NULL /*path_exclude_prefixes*/);
             }
         }
-        
+
         if (m_record_main_window->getBoolValue()) {
             // Record size/position of main window.
             //
             static std::vector<const char*> s_paths = {
-                    "sim/startup/xpos",
-                    "sim/startup/ypos",
-                    "sim/startup/xsize",
-                    "sim/startup/ysize"
-                    };
-            for (const char* path: s_paths) {
+                "sim/startup/xpos",
+                "sim/startup/ypos",
+                "sim/startup/xsize",
+                "sim/startup/ysize"};
+            for (const char* path : s_paths) {
                 SGPropertyNode* a = globals->get_props()->getNode(path, true /*create*/);
                 SGPropertyNode* b = RecordExtraPropertiesReference->getNode(path, true /*create*/);
                 s_RecordPropertyDiffs(ReplayData->extra_properties, a, b, NULL /*path_exclude_prefixes*/);
             }
         }
-        
+
         if (m_record_main_view->getBoolValue()) {
             // Record main window view.
             //
             static std::vector<const char*> s_excludes = {
-                    "/sim/current-view/debug/",
-                    "/sim/current-view/raw-orientation",
-                    "/sim/current-view/viewer-"
-                    };
+                "/sim/current-view/debug/",
+                "/sim/current-view/raw-orientation",
+                "/sim/current-view/viewer-"};
             const char* path = "sim/current-view";
             SGPropertyNode* a = globals->get_props()->getNode(path, true /*create*/);
             SGPropertyNode* b = RecordExtraPropertiesReference->getNode(path, true /*create*/);
             s_RecordPropertyDiffs(ReplayData->extra_properties, a, b, &s_excludes);
         }
     }
-    
-    private:
-    
-    SGPropertyNode_ptr  m_record_extra_properties;
-    SGPropertyNode_ptr  m_record_main_window;
-    SGPropertyNode_ptr  m_record_main_view;
-    SGPropertyNode_ptr  m_record_extra_properties_paths;
+
+private:
+    SGPropertyNode_ptr m_record_extra_properties;
+    SGPropertyNode_ptr m_record_main_window;
+    SGPropertyNode_ptr m_record_main_view;
+    SGPropertyNode_ptr m_record_extra_properties_paths;
 };
 
-static std::shared_ptr<RecordExtraProperties>   s_record_extra_properties;
+static std::shared_ptr<RecordExtraProperties> s_record_extra_properties;
 
 
-
-FGFlightRecorder::FGFlightRecorder(const char* pConfigName) :
-    m_RecorderNode              (fgGetNode("/sim/flight-recorder", true)),
-    m_ReplayMultiplayer         (fgGetNode("/sim/replay/multiplayer", true)),
-    m_ReplayExtraProperties     (fgGetNode("/sim/replay/replay-extra-properties", true)),
-    m_ReplayMainView            (fgGetNode("/sim/replay/replay-main-view", true)),
-    m_ReplayMainWindowPosition  (fgGetNode("/sim/replay/replay-main-window-position", true)),
-    m_ReplayMainWindowSize      (fgGetNode("/sim/replay/replay-main-window-size", true)),
-    m_RecordContinuous          (fgGetNode("/sim/replay/record-continuous", true)),
-    m_RecordExtraProperties     (fgGetNode("/sim/replay/record-extra-properties", true)),
-    m_LogRawSpeed               (fgGetNode("/sim/replay/log-raw-speed", true)),
-    m_TotalRecordSize(0),
-    m_ConfigName(pConfigName),
-    m_usingDefaultConfig(false),
-    m_MultiplayMgr(globals->get_subsystem<FGMultiplayMgr>())
+FGFlightRecorder::FGFlightRecorder(const char* pConfigName) : m_RecorderNode(fgGetNode("/sim/flight-recorder", true)),
+                                                              m_ReplayMultiplayer(fgGetNode("/sim/replay/multiplayer", true)),
+                                                              m_ReplayExtraProperties(fgGetNode("/sim/replay/replay-extra-properties", true)),
+                                                              m_ReplayMainView(fgGetNode("/sim/replay/replay-main-view", true)),
+                                                              m_ReplayMainWindowPosition(fgGetNode("/sim/replay/replay-main-window-position", true)),
+                                                              m_ReplayMainWindowSize(fgGetNode("/sim/replay/replay-main-window-size", true)),
+                                                              m_RecordContinuous(fgGetNode("/sim/replay/record-continuous", true)),
+                                                              m_RecordExtraProperties(fgGetNode("/sim/replay/record-extra-properties", true)),
+                                                              m_LogRawSpeed(fgGetNode("/sim/replay/log-raw-speed", true)),
+                                                              m_TotalRecordSize(0),
+                                                              m_ConfigName(pConfigName),
+                                                              m_usingDefaultConfig(false),
+                                                              m_MultiplayMgr(globals->get_subsystem<FGMultiplayMgr>())
 {
 }
 
@@ -243,15 +216,14 @@ FGFlightRecorder::~FGFlightRecorder()
     s_record_extra_properties.reset();
 }
 
-void
-FGFlightRecorder::reinit(void)
+void FGFlightRecorder::reinit()
 {
     m_ConfigNode = 0;
     m_usingDefaultConfig = false;
 
     SGPropertyNode_ptr ConfigNode;
     int Selected = m_RecorderNode->getIntValue(m_ConfigName, 0);
-    SG_LOG(SG_SYSTEMS, SG_INFO, "FlightRecorder: Recorder configuration #" << Selected);
+    SG_LOG(SG_SYSTEMS, SG_INFO, "FlightRecorder: Recorder configuration #" << std::to_string(Selected));
     if (Selected >= 0)
         ConfigNode = m_RecorderNode->getChild("config", Selected);
 
@@ -261,8 +233,7 @@ FGFlightRecorder::reinit(void)
     reinit(ConfigNode);
 }
 
-void
-FGFlightRecorder::reinit(SGPropertyNode_ptr ConfigNode)
+void FGFlightRecorder::reinit(SGPropertyNode_ptr ConfigNode)
 {
     m_TotalRecordSize = 0;
 
@@ -275,53 +246,47 @@ FGFlightRecorder::reinit(SGPropertyNode_ptr ConfigNode)
 
     m_ConfigNode = ConfigNode;
 
-    if (!m_ConfigNode.valid())
-    {
+    if (!m_ConfigNode.valid()) {
         SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: Configuration is invalid. Flight recorder disabled.");
-    }
-    else
-    {
-        // set name of active flight recorder type 
+    } else {
+        // set name of active flight recorder type
         const std::string pRecorderName =
-                m_ConfigNode->getStringValue("name",
-                                             "aircraft-specific flight recorder");
+            m_ConfigNode->getStringValue("name",
+                                         "aircraft-specific flight recorder");
         SG_LOG(SG_SYSTEMS, SG_INFO, "FlightRecorder: Using custom recorder configuration: " << pRecorderName);
         m_RecorderNode->setStringValue("active-config-name", pRecorderName);
 
         // get signals
-        initSignalList("double", m_CaptureDouble,  m_ConfigNode );
-        initSignalList("float",  m_CaptureFloat ,  m_ConfigNode );
-        initSignalList("int",    m_CaptureInteger, m_ConfigNode );
-        initSignalList("int16",  m_CaptureInt16  , m_ConfigNode );
-        initSignalList("int8",   m_CaptureInt8   , m_ConfigNode );
-        initSignalList("bool",   m_CaptureBool   , m_ConfigNode );
+        initSignalList("double", m_CaptureDouble, m_ConfigNode);
+        initSignalList("float", m_CaptureFloat, m_ConfigNode);
+        initSignalList("int", m_CaptureInteger, m_ConfigNode);
+        initSignalList("int16", m_CaptureInt16, m_ConfigNode);
+        initSignalList("int8", m_CaptureInt8, m_ConfigNode);
+        initSignalList("bool", m_CaptureBool, m_ConfigNode);
     }
 
     // calculate size of a single record
-    m_TotalRecordSize = sizeof(double)        * 1 /* sim time */        +
-                        sizeof(double)        * m_CaptureDouble.size()  +
-                        sizeof(float)         * m_CaptureFloat.size()   +
-                        sizeof(int)           * m_CaptureInteger.size() +
-                        sizeof(short int)     * m_CaptureInt16.size()   +
-                        sizeof(signed char)   * m_CaptureInt8.size()    +
-                        sizeof(unsigned char) * ((m_CaptureBool.size()+7)/8); // 8 bools per byte
+    m_TotalRecordSize = sizeof(double) * 1 /* sim time */ +
+                        sizeof(double) * m_CaptureDouble.size() +
+                        sizeof(float) * m_CaptureFloat.size() +
+                        sizeof(int) * m_CaptureInteger.size() +
+                        sizeof(short int) * m_CaptureInt16.size() +
+                        sizeof(signed char) * m_CaptureInt8.size() +
+                        sizeof(unsigned char) * ((m_CaptureBool.size() + 7) / 8); // 8 bools per byte
 
     // expose size of actual flight recorder record
     m_RecorderNode->setIntValue("record-size", m_TotalRecordSize);
     SG_LOG(SG_SYSTEMS, SG_INFO, "FlightRecorder: record size is " << m_TotalRecordSize << " bytes");
-    
+
     s_record_extra_properties.reset(new RecordExtraProperties);
 }
 
 /** Check if SignalList already contains the given property */
-bool
-FGFlightRecorder::haveProperty(FlightRecorder::TSignalList& SignalList,SGPropertyNode* pProperty)
+bool FGFlightRecorder::haveProperty(FlightRecorder::TSignalList& SignalList, const SGPropertyNode* pProperty)
 {
     unsigned int Count = SignalList.size();
-    for (unsigned int i=0; i<Count; i++)
-    {
-        if (SignalList[i].Signal.get() == pProperty)
-        {
+    for (unsigned int i = 0; i < Count; i++) {
+        if (SignalList[i].Signal.get() == pProperty) {
             return true;
         }
     }
@@ -329,20 +294,19 @@ FGFlightRecorder::haveProperty(FlightRecorder::TSignalList& SignalList,SGPropert
 }
 
 /** Check if any signal list already contains the given property */
-bool
-FGFlightRecorder::haveProperty(SGPropertyNode* pProperty)
+bool FGFlightRecorder::haveProperty(const SGPropertyNode* pProperty)
 {
-    if (haveProperty(m_CaptureDouble,  pProperty))
+    if (haveProperty(m_CaptureDouble, pProperty))
         return true;
-    if (haveProperty(m_CaptureFloat,   pProperty))
+    if (haveProperty(m_CaptureFloat, pProperty))
         return true;
     if (haveProperty(m_CaptureInteger, pProperty))
         return true;
-    if (haveProperty(m_CaptureInt16,   pProperty))
+    if (haveProperty(m_CaptureInt16, pProperty))
         return true;
-    if (haveProperty(m_CaptureInt8,    pProperty))
+    if (haveProperty(m_CaptureInt8, pProperty))
         return true;
-    if (haveProperty(m_CaptureBool,    pProperty))
+    if (haveProperty(m_CaptureBool, pProperty))
         return true;
     return false;
 }
@@ -350,7 +314,7 @@ FGFlightRecorder::haveProperty(SGPropertyNode* pProperty)
 /** Read default flight-recorder configuration.
  * Default should match properties as hard coded for versions up to FG2.4.0. */
 SGPropertyNode_ptr
-FGFlightRecorder::getDefault(void)
+FGFlightRecorder::getDefault()
 {
     SGPropertyNode_ptr ConfigNode;
 
@@ -358,27 +322,18 @@ FGFlightRecorder::getDefault(void)
     SG_LOG(SG_SYSTEMS, SG_INFO, "FlightRecorder: No custom configuration. Loading generic default recorder.");
 
     const std::string Path = m_RecorderNode->getStringValue("default-config", "");
-    if (Path.empty())
-    {
+    if (Path.empty()) {
         SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: No default flight recorder specified! Check defaults.xml!");
-    }
-    else
-    {
+    } else {
         SGPath path = globals->resolve_aircraft_path(Path);
-        if (path.isNull())
-        {
+        if (path.isNull()) {
             SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: Cannot find file '" << Path << "'.");
-        }
-        else
-        {
-            try
-            {
-                readProperties(path, m_RecorderNode->getChild("config", 0 ,true), 0);
-                ConfigNode = m_RecorderNode->getChild("config", 0 ,false);
-            } catch (sg_io_exception &e)
-            {
-                SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: Error reading file '" <<
-                        Path << ": " << e.getFormattedMessage());
+        } else {
+            try {
+                readProperties(path, m_RecorderNode->getChild("config", 0, true), 0);
+                ConfigNode = m_RecorderNode->getChild("config", 0, false);
+            } catch (sg_io_exception& e) {
+                SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: Error reading file '" << Path << ": " << e.getFormattedMessage());
             }
         }
     }
@@ -391,43 +346,38 @@ FGFlightRecorder::getDefault(void)
  * Only process properties of given signal type and add all signals to the given list.
  * This method is called for all supported signal types - properties of each type are
  * kept in separate lists for efficiency reasons. */
-void
-FGFlightRecorder::initSignalList(const char* pSignalType, TSignalList& SignalList, SGPropertyNode_ptr BaseNode)
+void FGFlightRecorder::initSignalList(const char* pSignalType, TSignalList& SignalList, SGPropertyNode_ptr BaseNode)
 {
     // clear old signals
     SignalList.clear();
 
     processSignalList(pSignalType, SignalList, BaseNode);
 
-    SG_LOG(SG_SYSTEMS, SG_DEBUG, "FlightRecorder: " << SignalList.size() << " signals of type " << pSignalType );
+    SG_LOG(SG_SYSTEMS, SG_DEBUG, "FlightRecorder: " << SignalList.size() << " signals of type " << pSignalType);
 }
 
 /** Process signal list below given base node.
  * Only process properties of given signal type and add all signals to the given list.
  * This method is called for all supported signal types - properties of each type are
  * kept in separate lists for efficiency reasons. */
-void
-FGFlightRecorder::processSignalList(const char* pSignalType, TSignalList& SignalList, SGPropertyNode_ptr SignalListNode,
-                                    string PropPrefix, int Count)
+void FGFlightRecorder::processSignalList(const char* pSignalType, TSignalList& SignalList, SGPropertyNode_ptr SignalListNode,
+                                         string PropPrefix, int Count)
 {
     // get the list of signal sources (property paths) for this signal type
     SGPropertyNode_ptr SignalNode;
-    int Index=0;
+    int Index = 0;
 
-    Count = SignalListNode->getIntValue("count",Count);
-    PropPrefix = simgear::strutils::strip(SignalListNode->getStringValue("prefix",PropPrefix.c_str()));
-    if ((!PropPrefix.empty())&&(PropPrefix[PropPrefix.size()-1] != '/'))
+    Count = SignalListNode->getIntValue("count", Count);
+    PropPrefix = simgear::strutils::strip(SignalListNode->getStringValue("prefix", PropPrefix.c_str()));
+    if ((!PropPrefix.empty()) && (PropPrefix[PropPrefix.size() - 1] != '/'))
         PropPrefix += "/";
 
-    do
-    {
-        SignalNode = SignalListNode->getChild("signal",Index,false);
-        if (SignalNode.valid()&&
-            (std::string(pSignalType) == SignalNode->getStringValue("type", "float")))
-        {
+    do {
+        SignalNode = SignalListNode->getChild("signal", Index, false);
+        if (SignalNode.valid() &&
+            (std::string(pSignalType) == SignalNode->getStringValue("type", "float"))) {
             string PropertyPath = SignalNode->getStringValue("property", "");
-            if (!PropertyPath.empty())
-            {
+            if (!PropertyPath.empty()) {
                 PropertyPath = PropPrefix + PropertyPath;
                 const std::string pInterpolation = SignalNode->getStringValue("interpolation", "linear");
 
@@ -437,19 +387,16 @@ FGFlightRecorder::processSignalList(const char* pSignalType, TSignalList& Signal
                 if (IndexPos == string::npos)
                     SignalCount = 1;
 
-                for (int IndexValue=0;IndexValue<SignalCount;IndexValue++)
-                {
+                for (int IndexValue = 0; IndexValue < SignalCount; IndexValue++) {
                     string PPath = PropertyPath;
-                    if (IndexPos != string::npos)
-                    {
+                    if (IndexPos != string::npos) {
                         char strbuf[20];
                         snprintf(strbuf, 20, "%d", IndexValue);
-                        PPath = PPath.replace(IndexPos,2,strbuf);
+                        PPath = PPath.replace(IndexPos, 2, strbuf);
                     }
                     TCapture Capture;
-                    Capture.Signal = fgGetNode(PPath.c_str(),false);
-                    if (!Capture.Signal.valid())
-                    {
+                    Capture.Signal = fgGetNode(PPath.c_str(), false);
+                    if (!Capture.Signal.valid()) {
                         // JMT - only warn if using a custom config, not the default one. Since the generic config of
                         // course requests many props, but we do want this warning for custom configs tailored to the
                         // aircraft model.
@@ -458,34 +405,26 @@ FGFlightRecorder::processSignalList(const char* pSignalType, TSignalList& Signal
                             // Or maybe the data is only initialized later. Warn anyway, so we can catch useless data.
                             SG_LOG(SG_SYSTEMS, SG_INFO, "FlightRecorder: Recording non-existent property '" << PPath << "'.");
                         }
-                        
-                        Capture.Signal = fgGetNode(PPath.c_str(),true);
+
+                        Capture.Signal = fgGetNode(PPath.c_str(), true);
                     }
 
                     if (pInterpolation == "discrete")
                         Capture.Interpolation = discrete;
-                    else 
-                    if ((pInterpolation == "angular")||
-                        (pInterpolation == "angular-rad"))
+                    else if ((pInterpolation == "angular") ||
+                             (pInterpolation == "angular-rad"))
                         Capture.Interpolation = angular_rad;
-                    else
-                    if (pInterpolation == "angular-deg")
+                    else if (pInterpolation == "angular-deg")
                         Capture.Interpolation = angular_deg;
-                    else
-                    if (pInterpolation == "linear")
+                    else if (pInterpolation == "linear")
                         Capture.Interpolation = linear;
-                    else
-                    {
-                        SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: Unsupported interpolation type '"
-                                << pInterpolation<< "' of signal '" << PPath << "'");
+                    else {
+                        SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: Unsupported interpolation type '" << pInterpolation << "' of signal '" << PPath << "'");
                         Capture.Interpolation = linear;
                     }
-                    if (haveProperty(Capture.Signal))
-                    {
-                        SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: Property '"
-                                << PPath << "' specified multiple times. Check flight recorder configuration.");
-                    }
-                    else
+                    if (haveProperty(Capture.Signal)) {
+                        SG_LOG(SG_SYSTEMS, SG_ALERT, "FlightRecorder: Property '" << PPath << "' specified multiple times. Check flight recorder configuration.");
+                    } else
                         SignalList.push_back(Capture);
                 }
             }
@@ -495,8 +434,7 @@ FGFlightRecorder::processSignalList(const char* pSignalType, TSignalList& Signal
 
     // allow recursive definition of signal lists
     simgear::PropertyList Nodes = SignalListNode->getChildren("signals");
-    for (unsigned int i=0;i<Nodes.size();i++)
-    {
+    for (unsigned int i = 0; i < Nodes.size(); i++) {
         processSignalList(pSignalType, SignalList, Nodes[i], PropPrefix, Count);
     }
 }
@@ -508,45 +446,42 @@ FGFlightRecorder::processSignalList(const char* pSignalType, TSignalList& Signal
 FGReplayData*
 FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
 {
-    if (!ReplayData)
-    {
+    if (!ReplayData) {
         ReplayData = new FGReplayData;
         if (!ReplayData)
             return NULL;
     }
-    
+
     // When replaying, we are able to carry recording live multiplayer
-    // information. To make this work we need to record a stationay
+    // information. To make this work we need to record a stationary
     // user aircraft, with information from the last live user aircraft
     // FGReplayData. So we store the last live user aircraft information in
     // this static vector.
     //
-    static std::vector<char>    s_recent_raw_data;
-    
+    static std::vector<char> s_recent_raw_data;
+
     int in_replay = fgGetInt("/sim/replay/replay-state");
-    
+
     ReplayData->sim_time = SimTime;
-    
+
     if (in_replay && !s_recent_raw_data.empty()) {
         // Record the fixed position of live user aircraft at the point at
         // which we started replay.
         //
         ReplayData->raw_data = s_recent_raw_data;
-    }
-    else {
+    } else {
         // Find live information about the user aircraft.
         //
         int Offset = 0;
-        ReplayData->raw_data.resize( m_TotalRecordSize);
+        ReplayData->raw_data.resize(m_TotalRecordSize);
         char* pBuffer = &ReplayData->raw_data.front();
 
         // 64bit aligned data first!
         {
             // capture doubles
-            double* pDoubles = (double*) &pBuffer[Offset];
+            double* pDoubles = (double*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureDouble.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 pDoubles[i] = m_CaptureDouble[i].Signal->getDoubleValue();
             }
             Offset += SignalCount * sizeof(double);
@@ -555,10 +490,9 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
         // 32bit aligned data comes second...
         {
             // capture floats
-            float* pFloats = (float*) &pBuffer[Offset];
+            float* pFloats = (float*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureFloat.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 pFloats[i] = m_CaptureFloat[i].Signal->getFloatValue();
             }
             Offset += SignalCount * sizeof(float);
@@ -566,10 +500,9 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
 
         {
             // capture integers (32bit aligned)
-            int* pInt = (int*) &pBuffer[Offset];
+            int* pInt = (int*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureInteger.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 pInt[i] = m_CaptureInteger[i].Signal->getIntValue();
             }
             Offset += SignalCount * sizeof(int);
@@ -578,11 +511,10 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
         // 16bit aligned data is next...
         {
             // capture 16bit short integers
-            short int* pShortInt = (short int*) &pBuffer[Offset];
+            short int* pShortInt = (short int*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureInt16.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
-                pShortInt[i] = (short int) m_CaptureInt16[i].Signal->getIntValue();
+            for (unsigned int i = 0; i < SignalCount; i++) {
+                pShortInt[i] = (short int)m_CaptureInt16[i].Signal->getIntValue();
             }
             Offset += SignalCount * sizeof(short int);
         }
@@ -590,26 +522,24 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
         // finally: byte aligned data is last...
         {
             // capture 8bit chars
-            signed char* pChar = (signed char*) &pBuffer[Offset];
+            signed char* pChar = (signed char*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureInt8.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
-                pChar[i] = (signed char) m_CaptureInt8[i].Signal->getIntValue();
+            for (unsigned int i = 0; i < SignalCount; i++) {
+                pChar[i] = (signed char)m_CaptureInt8[i].Signal->getIntValue();
             }
             Offset += SignalCount * sizeof(signed char);
         }
 
         {
             // capture 1bit booleans (8bit aligned)
-            unsigned char* pFlags = (unsigned char*) &pBuffer[Offset];
+            unsigned char* pFlags = (unsigned char*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureBool.size();
-            int Size = (SignalCount+7)/8;
+            int Size = (SignalCount + 7) / 8;
             Offset += Size;
-            memset(pFlags,0,Size);
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+            memset(pFlags, 0, Size);
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 if (m_CaptureBool[i].Signal->getBoolValue())
-                    pFlags[i>>3] |= 1 << (i&7);
+                    pFlags[i >> 3] |= 1 << (i & 7);
             }
         }
 
@@ -620,15 +550,15 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
         //
         s_recent_raw_data = ReplayData->raw_data;
     }
-    
+
     // If m_ReplayMultiplayer is true, move all recent
     // multiplayer messages from m_MultiplayMgr into
     // ReplayData->multiplayer_messages. Otherwise clear m_MultiplayMgr's
     // list of recent messages.
     //
     ReplayData->multiplayer_messages.clear();
-    bool    replayMultiplayer = m_ReplayMultiplayer->getBoolValue();
-    for(;;) {
+    bool replayMultiplayer = m_ReplayMultiplayer->getBoolValue();
+    for (;;) {
         auto multiplayerMessage = m_MultiplayMgr->popMessageHistory();
         if (!multiplayerMessage) {
             break;
@@ -642,19 +572,13 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
             auto message_header = reinterpret_cast<const T_MsgHdr*>(&multiplayerMessage->front());
             xdr_data_t message_id = message_header->MsgId;
             if (message_id == CHAT_MSG_ID) {
-                SG_LOG(SG_GENERAL, SG_ALERT, "Not recording chat message: "
-                        << std::string(
-                                reinterpret_cast<const T_ChatMsg*>(message_header + 1)->Text,
-                                message_header->MsgLen - sizeof(*message_header)
-                                )
-                        );
-            }
-            else {
-                ReplayData->multiplayer_messages.push_back( multiplayerMessage);
+                SG_LOG(SG_GENERAL, SG_ALERT, "Not recording chat message: " << std::string(reinterpret_cast<const T_ChatMsg*>(message_header + 1)->Text, message_header->MsgLen - sizeof(*message_header)));
+            } else {
+                ReplayData->multiplayer_messages.push_back(multiplayerMessage);
             }
         }
     }
-    
+
     // Add extra properties if we are doing continuous recording.
     //
     if (m_RecordContinuous->getBoolValue()) {
@@ -664,61 +588,57 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
         }
         s_record_extra_properties->capture(m_RecordExtraPropertiesReference, ReplayData);
     }
-    
+
     ReplayData->UpdateStats();
-    
+
     // Note that if we are replaying, <ReplayData> will contain the last live
     // position of the live user aircraft, plus any multiplayer packets that
     // have arrived recently.  If there were no recent multiplayer packets,
     // then there's no actually no need to record anything (unless we're at the
     // start of recording).
     //
-    // But for now at least, we don't try to optimise the recording like that.
+    // But for now at least, we don't try to optimize the recording like that.
     //
-    
+
     return ReplayData;
 }
 
 /** Do interpolation as defined by given interpolation type and weighting ratio. */
 static double
-weighting(TInterpolation interpolation, double ratio, double v1,double v2)
+weighting(TInterpolation interpolation, double ratio, double v1, double v2)
 {
-    switch (interpolation)
-    {
-        case linear:
-            return v1 + ratio*(v2-v1);
-        
-        case angular_deg:
-        {
-            // special handling of angular data
-            double tmp = v2 - v1;
-            if ( tmp > 180 )
-                tmp -= 360;
-            else if ( tmp < -180 )
-                tmp += 360;
-            return v1 + tmp * ratio;
-        }
+    switch (interpolation) {
+    case linear:
+        return v1 + ratio * (v2 - v1);
 
-        case angular_rad:
-        {
-            // special handling of angular data
-            double tmp = v2 - v1;
-            if ( tmp > SGD_PI )
-                tmp -= SGD_2PI;
-            else if ( tmp < -SGD_PI )
-                tmp += SGD_2PI;
-            return v1 + tmp * ratio;
-        }
+    case angular_deg: {
+        // special handling of angular data
+        double tmp = v2 - v1;
+        if (tmp > 180)
+            tmp -= 360;
+        else if (tmp < -180)
+            tmp += 360;
+        return v1 + tmp * ratio;
+    }
 
-        case discrete:
-            // fall through
-        default:
-            return v2;
+    case angular_rad: {
+        // special handling of angular data
+        double tmp = v2 - v1;
+        if (tmp > SGD_PI)
+            tmp -= SGD_2PI;
+        else if (tmp < -SGD_PI)
+            tmp += SGD_2PI;
+        return v1 + tmp * ratio;
+    }
+
+    case discrete:
+        // fall through
+    default:
+        return v2;
     }
 }
 
-void
-FGFlightRecorder::resetExtraProperties()
+void FGFlightRecorder::resetExtraProperties()
 {
     SG_LOG(SG_SYSTEMS, SG_DEBUG, "Clearing m_RecordExtraPropertiesReference");
     m_RecordExtraPropertiesReference = nullptr;
@@ -731,8 +651,7 @@ static void setInt(const std::string& value, int* out)
     if (!out) return;
     try {
         *out = std::stoi(value);
-    }
-    catch (std::exception& e) {
+    } catch (std::exception& e) {
         SG_LOG(SG_SYSTEMS, SG_ALERT, "Ignoring failed conversion of '" << value << "' to int: " << e.what());
     }
 }
@@ -745,8 +664,7 @@ static void string_to_double(const std::string& s, double& out, bool& ok)
     errno = 0;
     char* end;
     out = strtod(s.c_str(), &end);
-    if (errno || !end || *end != 0)
-    {
+    if (errno || !end || *end != 0) {
         ok = false;
         return;
     }
@@ -757,55 +675,44 @@ static void string_to_double(const std::string& s, double& out, bool& ok)
 <frame_prev> and values look like floating point, we interpolate using <ratio>.
 */
 static void replayProperty(
-        const std::string& path,
-        const std::string& value_next_string,
-        const FGReplayData* frame_prev,
-        double ratio
-        )
+    const std::string& path,
+    const std::string& value_next_string,
+    const FGReplayData* frame_prev,
+    double ratio)
 {
     SGPropertyNode* p = globals->get_props()->getNode(path, true /*create*/);
     bool done = false;
-    if (frame_prev)
-    {
+    if (frame_prev) {
         /* Check whether <path> is in frame_prev's list of property changes. */
         SG_LOG(SG_SYSTEMS, SG_DEBUG, "p && _pLastBuffer");
         auto p_prev_it = frame_prev->replay_extra_property_changes.find(path);
-        if (p_prev_it != frame_prev->replay_extra_property_changes.end())
-        {
+        if (p_prev_it != frame_prev->replay_extra_property_changes.end()) {
             /* Property <path> is also in frame_prev. */
             SG_LOG(SG_SYSTEMS, SG_DEBUG, "property in frame_prev and frame_next:"
-                    << " " << path);
-            const std::string&  value_prev_string = p_prev_it->second;
+                                             << " " << path);
+            const std::string& value_prev_string = p_prev_it->second;
             bool value_prev_ok;
             bool value_next_ok;
             double value_prev;
             double value_next;
             string_to_double(value_prev_string, value_prev, value_prev_ok);
             string_to_double(value_next_string, value_next, value_next_ok);
-            if (value_prev_ok && value_next_ok)
-            {
+            if (value_prev_ok && value_next_ok) {
                 /* Both values look like floating point so we interpolate. */
                 SG_LOG(SG_SYSTEMS, SG_DEBUG, "property is fp");
-                TInterpolation  interpolation = TInterpolation::linear;
-                if (simgear::strutils::ends_with(path, "-deg"))
-                {
+                TInterpolation interpolation = TInterpolation::linear;
+                if (simgear::strutils::ends_with(path, "-deg")) {
                     interpolation = TInterpolation::angular_deg;
-                }
-                else if (simgear::strutils::ends_with(path, "-rad"))
-                {
+                } else if (simgear::strutils::ends_with(path, "-rad")) {
                     interpolation = TInterpolation::angular_rad;
                 }
                 SG_LOG(SG_SYSTEMS, SG_DEBUG, "calling weighting() ratio=" << ratio);
                 double value_interpolated = weighting(
-                        interpolation,
-                        ratio,
-                        value_prev,
-                        value_next
-                        );
-                SG_LOG(SG_GENERAL, SG_DEBUG, "Interpolating " << path
-                        << ": [" << value_prev << " .. " << value_next
-                        << "] => " << value_interpolated
-                        );
+                    interpolation,
+                    ratio,
+                    value_prev,
+                    value_next);
+                SG_LOG(SG_GENERAL, SG_DEBUG, "Interpolating " << path << ": [" << value_prev << " .. " << value_next << "] => " << value_interpolated);
                 globals->get_props()->setDoubleValue(path, value_interpolated);
                 done = true;
             }
@@ -816,14 +723,12 @@ static void replayProperty(
 
 /** Replay.
  * Restore all properties with data from given buffer. */
-void
-FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
-        const FGReplayData* _pLastBuffer,
-        int* main_window_xpos,
-        int* main_window_ypos,
-        int* main_window_xsize,
-        int* main_window_ysize
-        )
+void FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
+                              const FGReplayData* _pLastBuffer,
+                              int* main_window_xpos,
+                              int* main_window_ypos,
+                              int* main_window_xsize,
+                              int* main_window_ysize)
 {
     const char* pLastBuffer = (_pLastBuffer && !_pLastBuffer->raw_data.empty()) ? &_pLastBuffer->raw_data.front() : nullptr;
     const char* pBuffer = (_pNextBuffer && !_pNextBuffer->raw_data.empty()) ? &_pNextBuffer->raw_data.front() : nullptr;
@@ -831,15 +736,13 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
     if (pBuffer) {
         /* Replay signals. */
         int Offset = 0;
-        if (pLastBuffer)
-        {
+        if (pLastBuffer) {
             double NextSimTime = _pNextBuffer->sim_time;
             double LastSimTime = _pLastBuffer->sim_time;
             double Numerator = SimTime - LastSimTime;
             double dt = NextSimTime - LastSimTime;
             // avoid divide by zero and other quirks
-            if ((Numerator > 0.0)&&(dt != 0.0))
-            {
+            if ((Numerator > 0.0) && (dt != 0.0)) {
                 ratio = Numerator / dt;
                 if (ratio > 1.0)
                     ratio = 1.0;
@@ -849,15 +752,13 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
         // 64bit aligned data first!
         {
             // restore doubles
-            const double* pDoubles = (const double*) &pBuffer[Offset];
-            const double* pLastDoubles = (const double*) &pLastBuffer[Offset];
+            const double* pDoubles = (const double*)&pBuffer[Offset];
+            const double* pLastDoubles = (const double*)&pLastBuffer[Offset];
             unsigned int SignalCount = m_CaptureDouble.size();
-            
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 double v = pDoubles[i];
-                if (pLastBuffer)
-                {
+                if (pLastBuffer) {
                     v = weighting(m_CaptureDouble[i].Interpolation, ratio,
                                   pLastDoubles[i], v);
                 }
@@ -870,10 +771,9 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
                 // scripts/python/recordreplay.py --test-motion.
                 //
                 SGGeod pos_geod = SGGeod::fromDegFt(
-                        fgGetDouble("/position/longitude-deg"),
-                        fgGetDouble("/position/latitude-deg"),
-                        fgGetDouble("/position/altitude-ft")
-                        );
+                    fgGetDouble("/position/longitude-deg"),
+                    fgGetDouble("/position/latitude-deg"),
+                    fgGetDouble("/position/altitude-ft"));
                 SGVec3d pos = SGVec3d::fromGeod(pos_geod);
                 static SGVec3d pos_prev;
                 static double t_prev = -1;
@@ -883,49 +783,40 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
                     double distance = length(pos - pos_prev);
                     double speed = dt ? distance / dt : -1;
                     SG_LOG(SG_GENERAL, SG_DEBUG, ""
-                            << " User aircraft:"
-                            << " pLastBuffer=" << ((void*) pLastBuffer)
-                            << " t_prev=" << std::setprecision(10) << t_prev
-                            << " t=" << std::setprecision(10) << t
-                            << " dt=" << dt
-                            << " distance=" << distance
-                            << " speed=" << speed
-                            );
+                                                     << " User aircraft:"
+                                                     << " pLastBuffer=" << ((void*)pLastBuffer) << " t_prev=" << std::setprecision(10) << t_prev << " t=" << std::setprecision(10) << t << " dt=" << dt << " distance=" << distance << " speed=" << speed);
                     SGPropertyNode* n = fgGetNode("/sim/replay/log-raw-speed-values", true /*create*/);
                     n->addChild("value")->setDoubleValue(speed);
                 }
                 pos_prev = pos;
                 t_prev = t;
             }
-            
+
             Offset += SignalCount * sizeof(double);
         }
 
         // 32bit aligned data comes second...
         {
             // restore floats
-            const float* pFloats = (const float*) &pBuffer[Offset];
-            const float* pLastFloats = (const float*) &pLastBuffer[Offset];
+            const float* pFloats = (const float*)&pBuffer[Offset];
+            const float* pLastFloats = (const float*)&pLastBuffer[Offset];
             unsigned int SignalCount = m_CaptureFloat.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 float v = pFloats[i];
-                if (pLastBuffer)
-                {
+                if (pLastBuffer) {
                     v = weighting(m_CaptureFloat[i].Interpolation, ratio,
                                   pLastFloats[i], v);
                 }
-                m_CaptureFloat[i].Signal->setDoubleValue(v);//setFloatValue
+                m_CaptureFloat[i].Signal->setDoubleValue(v); //setFloatValue
             }
             Offset += SignalCount * sizeof(float);
         }
 
         {
             // restore integers (32bit aligned)
-            const int* pInt = (const int*) &pBuffer[Offset];
+            const int* pInt = (const int*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureInteger.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 m_CaptureInteger[i].Signal->setIntValue(pInt[i]);
             }
             Offset += SignalCount * sizeof(int);
@@ -934,10 +825,9 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
         // 16bit aligned data is next...
         {
             // restore 16bit short integers
-            const short int* pShortInt = (const short int*) &pBuffer[Offset];
+            const short int* pShortInt = (const short int*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureInt16.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 m_CaptureInt16[i].Signal->setIntValue(pShortInt[i]);
             }
             Offset += SignalCount * sizeof(short int);
@@ -946,10 +836,9 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
         // finally: byte aligned data is last...
         {
             // restore 8bit chars
-            const signed char* pChar = (const signed char*) &pBuffer[Offset];
+            const signed char* pChar = (const signed char*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureInt8.size();
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
+            for (unsigned int i = 0; i < SignalCount; i++) {
                 m_CaptureInt8[i].Signal->setIntValue(pChar[i]);
             }
             Offset += SignalCount * sizeof(signed char);
@@ -957,37 +846,36 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
 
         {
             // restore 1bit booleans (8bit aligned)
-            const unsigned char* pFlags = (const unsigned char*) &pBuffer[Offset];
+            const unsigned char* pFlags = (const unsigned char*)&pBuffer[Offset];
             unsigned int SignalCount = m_CaptureBool.size();
-            int Size = (SignalCount+7)/8;
+            int Size = (SignalCount + 7) / 8;
             Offset += Size;
-            for (unsigned int i=0; i<SignalCount; i++)
-            {
-                m_CaptureBool[i].Signal->setBoolValue(0 != (pFlags[i>>3] & (1 << (i&7))));
+            for (unsigned int i = 0; i < SignalCount; i++) {
+                m_CaptureBool[i].Signal->setBoolValue(0 != (pFlags[i >> 3] & (1 << (i & 7))));
             }
         }
     }
 
     // Replay any multiplayer messages.
-    for (auto multiplayer_message: _pNextBuffer->multiplayer_messages) {
+    for (auto multiplayer_message : _pNextBuffer->multiplayer_messages) {
         SG_LOG(SG_SYSTEMS, SG_DEBUG, "Pushing multiplayer message to multiplay manager");
         m_MultiplayMgr->pushMessageHistory(multiplayer_message);
     }
-    
+
     // Replay extra property changes.
     //
-    bool    replay_extra_properties = m_ReplayExtraProperties->getBoolValue();
-    bool    replay_main_view = m_ReplayMainView->getBoolValue();
-    bool    replay_main_window_position = m_ReplayMainWindowPosition->getBoolValue();
-    bool    replay_main_window_size = m_ReplayMainWindowSize->getBoolValue();
-    
+    bool replay_extra_properties = m_ReplayExtraProperties->getBoolValue();
+    bool replay_main_view = m_ReplayMainView->getBoolValue();
+    bool replay_main_window_position = m_ReplayMainWindowPosition->getBoolValue();
+    bool replay_main_window_size = m_ReplayMainWindowSize->getBoolValue();
+
     if (replay_extra_properties) {
-        for (auto extra_property_removed_path: _pNextBuffer->replay_extra_property_removals) {
+        for (auto extra_property_removed_path : _pNextBuffer->replay_extra_property_removals) {
             SG_LOG(SG_SYSTEMS, SG_DEBUG, "replaying extra property removal: " << extra_property_removed_path);
             globals->get_props()->removeChild(extra_property_removed_path);
         }
     }
-    
+
     // Apply any changes to /sim/current-view/view-number* first. This is a
     // hack to avoid problems where setting view-number appears to make the
     // view code change other things such as pitch-offset-deg internally. So if
@@ -998,7 +886,7 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
     // property so when recording we don't always pick up all changes.
     //
     if (replay_main_view) {
-        for (auto prop_change: _pNextBuffer->replay_extra_property_changes) {
+        for (auto prop_change : _pNextBuffer->replay_extra_property_changes) {
             const std::string& path = prop_change.first;
             const std::string& value = prop_change.second;
             if (simgear::strutils::starts_with(path, "/sim/current-view/view-number")) {
@@ -1007,35 +895,28 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
             }
         }
     }
-    
-    for (auto prop_change: _pNextBuffer->replay_extra_property_changes) {
+
+    for (auto prop_change : _pNextBuffer->replay_extra_property_changes) {
         const std::string& path = prop_change.first;
         const std::string& value = prop_change.second;
-        
-        if (0) {}
-        else if (path == "/sim/startup/xpos") {
+
+        if (0) {
+        } else if (path == "/sim/startup/xpos") {
             if (replay_main_window_position) setInt(value, main_window_xpos);
-        }
-        else if (path == "/sim/startup/ypos") {
+        } else if (path == "/sim/startup/ypos") {
             if (replay_main_window_position) setInt(value, main_window_ypos);
-        }
-        else if (path == "/sim/startup/xsize") {
-           if (replay_main_window_size) setInt(value, main_window_xsize);
-        }
-        else if (path == "/sim/startup/ysize") {
+        } else if (path == "/sim/startup/xsize") {
+            if (replay_main_window_size) setInt(value, main_window_xsize);
+        } else if (path == "/sim/startup/ysize") {
             if (replay_main_window_size) setInt(value, main_window_ysize);
-        }
-        else if (simgear::strutils::starts_with(path, "/sim/current-view/")) {
+        } else if (simgear::strutils::starts_with(path, "/sim/current-view/")) {
             if (replay_main_view) {
-                SG_LOG(SG_SYSTEMS, SG_DEBUG, "SimTime=" << SimTime
-                        << " replaying view change: " << path << "=" << value);
+                SG_LOG(SG_SYSTEMS, SG_DEBUG, "SimTime=" << SimTime << " replaying view change: " << path << "=" << value);
                 /* Interpolate floating point values if possible. */
                 replayProperty(path, value, _pLastBuffer, ratio);
             }
-        }
-        else if (replay_extra_properties) {
-            SG_LOG(SG_SYSTEMS, SG_DEBUG, "SimTime=" << SimTime
-                    << " replaying extra_property change: " << path << "=" << value);
+        } else if (replay_extra_properties) {
+            SG_LOG(SG_SYSTEMS, SG_DEBUG, "SimTime=" << SimTime << " replaying extra_property change: " << path << "=" << value);
             SGPropertyNode* p = globals->get_props()->getNode(path, true /*create*/);
             bool done = false;
             if (p && _pLastBuffer) {
@@ -1046,34 +927,29 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
                     _pNextBuffer, so if it is floating point, we will
                     interpolate. */
                     SG_LOG(SG_SYSTEMS, SG_DEBUG, "property in _pLastBuffer and _pNextBuffer:"
-                            << " " << path);
-                    const std::string&  valus_prev = p_prev_it->second;
-                    size_t  value_prev_len;
-                    size_t  value_next_len;
+                                                     << " " << path);
+                    const std::string& valus_prev = p_prev_it->second;
+                    size_t value_prev_len;
+                    size_t value_next_len;
                     double value_prev = std::stod(valus_prev, &value_prev_len);
                     double value_next = std::stod(value, &value_next_len);
                     if (value_prev_len == valus_prev.size() && value_next_len == value.size()) {
                         /* Both values look like floating point so we will
                         interpolate. */
                         SG_LOG(SG_SYSTEMS, SG_DEBUG, "property is fp");
-                        TInterpolation  interpolation = TInterpolation::linear;
+                        TInterpolation interpolation = TInterpolation::linear;
                         if (simgear::strutils::ends_with(path, "-deg")) {
                             interpolation = TInterpolation::angular_deg;
-                        }
-                        else if (simgear::strutils::ends_with(path, "-rad")) {
+                        } else if (simgear::strutils::ends_with(path, "-rad")) {
                             interpolation = TInterpolation::angular_rad;
                         }
                         SG_LOG(SG_SYSTEMS, SG_DEBUG, "calling weighting()");
                         double value_interpolated = weighting(
-                                interpolation,
-                                ratio,
-                                value_prev,
-                                value_next
-                                );
-                        SG_LOG(SG_GENERAL, SG_DEBUG, "Interpolating " << path
-                                << ": [" << value_prev << " .. " << value_next
-                                << "] => " << value_interpolated
-                                );
+                            interpolation,
+                            ratio,
+                            value_prev,
+                            value_next);
+                        SG_LOG(SG_GENERAL, SG_DEBUG, "Interpolating " << path << ": [" << value_prev << " .. " << value_next << "] => " << value_interpolated);
                         globals->get_props()->setDoubleValue(path, value_interpolated);
                         done = true;
                     }
@@ -1084,14 +960,12 @@ FGFlightRecorder::replay(double SimTime, const FGReplayData* _pNextBuffer,
     }
 }
 
-int
-FGFlightRecorder::getConfig(SGPropertyNode* root, const char* typeStr, const FlightRecorder::TSignalList& SignalList)
+int FGFlightRecorder::getConfig(SGPropertyNode* root, const char* typeStr, const FlightRecorder::TSignalList& SignalList)
 {
     static const char* InterpolationTypes[] = {"discrete", "linear", "angular-rad", "angular-deg"};
     size_t SignalCount = SignalList.size();
     SGPropertyNode* Signals = root->getNode("signals", true);
-    for (size_t i=0; i<SignalCount; i++)
-    {
+    for (size_t i = 0; i < SignalCount; i++) {
         SGPropertyNode* SignalProp = Signals->addChild("signal");
         SignalProp->setStringValue("type", typeStr);
         SignalProp->setStringValue("interpolation", InterpolationTypes[SignalList[i].Interpolation]);
@@ -1102,17 +976,16 @@ FGFlightRecorder::getConfig(SGPropertyNode* root, const char* typeStr, const Fli
     return SignalCount;
 }
 
-void
-FGFlightRecorder::getConfig(SGPropertyNode* root)
+void FGFlightRecorder::getConfig(SGPropertyNode* root)
 {
     root->setStringValue("name", m_RecorderNode->getStringValue("active-config-name", ""));
     int SignalCount = 0;
-    SignalCount += getConfig(root, "double",  m_CaptureDouble);
-    SignalCount += getConfig(root, "float",   m_CaptureFloat);
+    SignalCount += getConfig(root, "double", m_CaptureDouble);
+    SignalCount += getConfig(root, "float", m_CaptureFloat);
     SignalCount += getConfig(root, "int", m_CaptureInteger);
-    SignalCount += getConfig(root, "int16",   m_CaptureInt16);
-    SignalCount += getConfig(root, "int8",    m_CaptureInt8);
-    SignalCount += getConfig(root, "bool",    m_CaptureBool);
+    SignalCount += getConfig(root, "int16", m_CaptureInt16);
+    SignalCount += getConfig(root, "int8", m_CaptureInt8);
+    SignalCount += getConfig(root, "bool", m_CaptureBool);
 
     root->setIntValue("recorder/record-size", getRecordSize());
     root->setIntValue("recorder/signal-count", SignalCount);
diff --git a/src/Aircraft/flightrecorder.hxx b/src/Aircraft/flightrecorder.hxx
index 0eb0501d8..bec2fee8f 100644
--- a/src/Aircraft/flightrecorder.hxx
+++ b/src/Aircraft/flightrecorder.hxx
@@ -1,107 +1,88 @@
-// flightrecorder.hxx
-//
-// Written by Thorsten Brehm, started August 2011.
-//
-// Copyright (C) 2011 Thorsten Brehm - brehmt (at) gmail com
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA.
-//
-///////////////////////////////////////////////////////////////////////////////
+/*
+ * SPDX-FileName: flightrecorder.hxx
+ * SPDX-FileCopyrightText: Copyright (C) 2011 Thorsten Brehm - brehmt (at) gmail com
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
-#ifndef FLIGHTRECORDER_HXX_
-#define FLIGHTRECORDER_HXX_
+#pragma once
 
-#include <simgear/props/props.hxx>
 #include <MultiPlayer/multiplaymgr.hxx>
+#include <simgear/props/props.hxx>
+
 #include "replay-internal.hxx"
 
-namespace FlightRecorder
+namespace FlightRecorder {
+
+typedef enum {
+    discrete = 0,    // no interpolation
+    linear = 1,      // linear interpolation
+    angular_rad = 2, // angular interpolation, value in radians
+    angular_deg = 3  // angular interpolation, value in degrees
+} TInterpolation;
+
+typedef struct
 {
+    SGPropertyNode_ptr Signal;
+    TInterpolation Interpolation;
+} TCapture;
 
-    typedef enum
-    {
-        discrete    = 0,   // no interpolation
-        linear      = 1,  // linear interpolation
-        angular_rad = 2,  // angular interpolation, value in radians
-        angular_deg = 3   // angular interpolation, value in degrees
-    } TInterpolation;
+typedef std::vector<TCapture> TSignalList;
 
-    typedef struct
-    {
-        SGPropertyNode_ptr  Signal;
-        TInterpolation      Interpolation;
-    } TCapture;
-
-    typedef std::vector<TCapture> TSignalList;
-
-}
+} // namespace FlightRecorder
 
 class FGFlightRecorder
 {
 public:
-    FGFlightRecorder(const char* pConfigName);
+    explicit FGFlightRecorder(const char* pConfigName);
     virtual ~FGFlightRecorder();
 
-    void            reinit              (void);
-    void            reinit              (SGPropertyNode_ptr ConfigNode);
-    FGReplayData*   capture             (double SimTime, FGReplayData* pRecycledBuffer);
-    
+    void reinit();
+    void reinit(SGPropertyNode_ptr ConfigNode);
+    FGReplayData* capture(double SimTime, FGReplayData* pRecycledBuffer);
+
     // Updates main_window_* out-params if we find window move/resize events
     // and replay of such events is enabled.
-    void            replay              (double SimTime, const FGReplayData* pNextBuffer,
-                                         const FGReplayData* pLastBuffer,
-                                         int* main_window_xpos,
-                                         int* main_window_ypos,
-                                         int* main_window_xsize,
-                                         int* main_window_ysize
-                                         );
-    int             getRecordSize       (void) { return m_TotalRecordSize;}
-    void            getConfig           (SGPropertyNode* root);
-    void            resetExtraProperties();
+    void replay(double SimTime, const FGReplayData* pNextBuffer,
+                const FGReplayData* pLastBuffer,
+                int* main_window_xpos,
+                int* main_window_ypos,
+                int* main_window_xsize,
+                int* main_window_ysize);
+    int getRecordSize() { return m_TotalRecordSize; }
+    void getConfig(SGPropertyNode* root);
+    void resetExtraProperties();
 
 private:
-    SGPropertyNode_ptr getDefault(void);
+    SGPropertyNode_ptr getDefault();
     void initSignalList(const char* pSignalType, FlightRecorder::TSignalList& SignalList,
                         SGPropertyNode_ptr BaseNode);
     void processSignalList(const char* pSignalType, FlightRecorder::TSignalList& SignalList,
                            SGPropertyNode_ptr SignalListNode,
-                           std::string PropPrefix="", int Count = 1);
-    bool haveProperty(FlightRecorder::TSignalList& Capture,SGPropertyNode* pProperty);
-    bool haveProperty(SGPropertyNode* pProperty);
+                           std::string PropPrefix = "", int Count = 1);
+    bool haveProperty(FlightRecorder::TSignalList& Capture, const SGPropertyNode* pProperty);
+    bool haveProperty(const SGPropertyNode* pProperty);
 
-    int  getConfig(SGPropertyNode* root, const char* typeStr, const FlightRecorder::TSignalList& SignalList);
+    int getConfig(SGPropertyNode* root, const char* typeStr, const FlightRecorder::TSignalList& SignalList);
 
     SGPropertyNode_ptr m_RecorderNode;
     SGPropertyNode_ptr m_ConfigNode;
-    
+
     SGPropertyNode_ptr m_ReplayMultiplayer;
     SGPropertyNode_ptr m_ReplayExtraProperties;
     SGPropertyNode_ptr m_ReplayMainView;
     SGPropertyNode_ptr m_ReplayMainWindowPosition;
     SGPropertyNode_ptr m_ReplayMainWindowSize;
-    
+
     SGPropertyNode_ptr m_RecordContinuous;
     SGPropertyNode_ptr m_RecordExtraProperties;
-    
+
     SGPropertyNode_ptr m_LogRawSpeed;
-    
+
     // This contains copy of all properties that we are recording, so that we
     // can send only differences.
     //
     SGPropertyNode_ptr m_RecordExtraPropertiesReference;
-    
+
     FlightRecorder::TSignalList m_CaptureDouble;
     FlightRecorder::TSignalList m_CaptureFloat;
     FlightRecorder::TSignalList m_CaptureInteger;
@@ -114,5 +95,3 @@ private:
     bool m_usingDefaultConfig;
     FGMultiplayMgr* m_MultiplayMgr;
 };
-
-#endif /* FLIGHTRECORDER_HXX_ */