From 975f1e364a6a68be2beca261a64ea8aecc16f6f6 Mon Sep 17 00:00:00 2001
From: Chaouki Dhib <chaodhib@gmail.com>
Date: Mon, 15 Apr 2019 23:31:25 +0200
Subject: Core/Movement: Add time synchronisation (#18189)

---
 src/common/Utilities/Timer.h | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'src/common')

diff --git a/src/common/Utilities/Timer.h b/src/common/Utilities/Timer.h
index be0f28a95ee..11f9cb2accc 100644
--- a/src/common/Utilities/Timer.h
+++ b/src/common/Utilities/Timer.h
@@ -22,13 +22,20 @@
 #include "Define.h"
 #include <chrono>
 
-inline uint32 getMSTime()
+inline std::chrono::steady_clock::time_point GetApplicationStartTime()
 {
     using namespace std::chrono;
 
     static const steady_clock::time_point ApplicationStartTime = steady_clock::now();
 
-    return uint32(duration_cast<milliseconds>(steady_clock::now() - ApplicationStartTime).count());
+    return ApplicationStartTime;
+}
+
+inline uint32 getMSTime()
+{
+    using namespace std::chrono;
+
+    return uint32(duration_cast<milliseconds>(steady_clock::now() - GetApplicationStartTime()).count());
 }
 
 inline uint32 getMSTimeDiff(uint32 oldMSTime, uint32 newMSTime)
@@ -40,6 +47,14 @@ inline uint32 getMSTimeDiff(uint32 oldMSTime, uint32 newMSTime)
         return newMSTime - oldMSTime;
 }
 
+inline uint32 getMSTimeDiff(uint32 oldMSTime, std::chrono::steady_clock::time_point newTime)
+{
+    using namespace std::chrono;
+
+    uint32 newMSTime = uint32(duration_cast<milliseconds>(newTime - GetApplicationStartTime()).count());
+    return getMSTimeDiff(oldMSTime, newMSTime);
+}
+
 inline uint32 GetMSTimeDiffToNow(uint32 oldMSTime)
 {
     return getMSTimeDiff(oldMSTime, getMSTime());
-- 
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