From 9618b30b4e447a767e618d93dbb08c6dd54ef4c7 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 10 Aug 2016 10:37:30 +0200
Subject: logic/track-logger: simplify to output dt

---
 opentrack-logic/tracklogger.cpp | 14 +++++++++++++-
 opentrack-logic/tracklogger.hpp |  6 ++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/opentrack-logic/tracklogger.cpp b/opentrack-logic/tracklogger.cpp
index c644df16..64dda579 100644
--- a/opentrack-logic/tracklogger.cpp
+++ b/opentrack-logic/tracklogger.cpp
@@ -3,6 +3,17 @@
 
 TrackLogger::~TrackLogger() {}
 
+void TrackLogger::reset_dt()
+{
+    t.start();
+}
+
+void TrackLogger::write_dt()
+{
+    const double dt = t.elapsed_seconds();
+    write(&dt, 1);
+}
+
 void TrackLoggerCSV::handle_first_col_sep()
 {
     if (!first_col)
@@ -32,4 +43,5 @@ void TrackLoggerCSV::next_line()
 {
     out << std::endl;
     first_col = true;
-}
\ No newline at end of file
+}
+
diff --git a/opentrack-logic/tracklogger.hpp b/opentrack-logic/tracklogger.hpp
index 990fc88b..c6c145cf 100644
--- a/opentrack-logic/tracklogger.hpp
+++ b/opentrack-logic/tracklogger.hpp
@@ -1,6 +1,7 @@
 #pragma once
 #include "main-settings.hpp"
 #include "opentrack-compat/options.hpp"
+#include "opentrack-compat/timer.hpp"
 
 #include <fstream>
 #include <QString>
@@ -14,6 +15,8 @@ class OPENTRACK_LOGIC_EXPORT TrackLogger
     TrackLogger& operator=(const TrackLogger&) = delete;
     TrackLogger& operator=(TrackLogger&&) = delete;
 
+    Timer t;
+
 public:
     TrackLogger()
     {
@@ -37,6 +40,9 @@ public:
     {
         write(p, 6);
     }
+
+    void reset_dt();
+    void write_dt();
 };
 
 
-- 
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