From 3e821242d71abac30fc6d58505d005c9ce694256 Mon Sep 17 00:00:00 2001
From: REDDRAGON <matthias.moulin@gmail.com>
Date: Thu, 13 Sep 2018 15:08:27 +0200
Subject: [PATCH] Refactor timers

---
 MAGE/Utilities/src/system/cpu_monitor.hpp |  4 ++--
 MAGE/Utilities/src/system/game_timer.hpp  |  2 +-
 MAGE/Utilities/src/system/timer.hpp       | 16 ++++++++--------
 MAGE/Utilities/src/system/timer.tpp       | 14 +++++---------
 4 files changed, 16 insertions(+), 20 deletions(-)

diff --git a/MAGE/Utilities/src/system/cpu_monitor.hpp b/MAGE/Utilities/src/system/cpu_monitor.hpp
index 5f5f240df..9d81be95d 100644
--- a/MAGE/Utilities/src/system/cpu_monitor.hpp
+++ b/MAGE/Utilities/src/system/cpu_monitor.hpp
@@ -116,7 +116,7 @@ namespace mage {
 
 		 @return		The CPU delta percentage of this CPU monitor's process.
 		 */
-		F64 GetCPUDeltaPercentage() const noexcept {
+		F64 GetCPUDeltaPercentage() noexcept {
 			const auto wall_time = m_wall_clock_timer.GetDeltaTime();
 			const auto core_time = m_core_clock_timer.GetDeltaTime();
 			return 100.0 * (core_time / wall_time);
@@ -128,7 +128,7 @@ namespace mage {
 		 @return		The total CPU delta percentage of this CPU monitor's 
 						process.
 		 */
-		F64 GetTotalCPUDeltaPercentage() const noexcept {
+		F64 GetTotalCPUDeltaPercentage() noexcept {
 			const auto wall_time = m_wall_clock_timer.GetTotalDeltaTime();
 			const auto core_time = m_core_clock_timer.GetTotalDeltaTime();
 			return 100.0 * (core_time / wall_time);
diff --git a/MAGE/Utilities/src/system/game_timer.hpp b/MAGE/Utilities/src/system/game_timer.hpp
index b36021a4e..cf7debdee 100644
--- a/MAGE/Utilities/src/system/game_timer.hpp
+++ b/MAGE/Utilities/src/system/game_timer.hpp
@@ -286,7 +286,7 @@ namespace mage {
 
 		 @return		The game time of this game timer.
 		 */
-		const GameTime GetTime() const noexcept {
+		const GameTime GetTime() noexcept {
 			const auto wall_clock_time = m_wall_clock_timer.GetTime();
 			const auto core_clock_time = m_core_clock_timer.GetTime();
 
diff --git a/MAGE/Utilities/src/system/timer.hpp b/MAGE/Utilities/src/system/timer.hpp
index e98229d46..3778bcb06 100644
--- a/MAGE/Utilities/src/system/timer.hpp
+++ b/MAGE/Utilities/src/system/timer.hpp
@@ -133,14 +133,14 @@ namespace mage {
 
 		 @return		The delta time (in seconds) of this timer.
 		 */
-		TimeIntervalSeconds GetDeltaTime() const noexcept;
+		TimeIntervalSeconds GetDeltaTime() noexcept;
 
 		/**
 		 Returns the total delta time (in seconds) of this timer.
 
 		 @return		The total delta time (in seconds) of this timer.
 		 */
-		TimeIntervalSeconds GetTotalDeltaTime() const noexcept;
+		TimeIntervalSeconds GetTotalDeltaTime() noexcept;
 
 		/**
 		 Returns the delta and total delta time (in seconds) of this timer.
@@ -149,7 +149,7 @@ namespace mage {
 						(in seconds) of this timer.
 		 */
 		const std::pair< TimeIntervalSeconds, TimeIntervalSeconds >  
-			GetTime() const noexcept;
+			GetTime() noexcept;
 
 	private:
 
@@ -161,13 +161,13 @@ namespace mage {
 		 Resets the delta time, total delta time and last timestamp of this 
 		 timer.
 		 */
-		void ResetDeltaTime() const noexcept;
+		void ResetDeltaTime() noexcept;
 
 		/**
 		 Updates the delta time, total delta time and last timestamp of this 
 		 timer.
 		 */
-		void UpdateDeltaTime() const noexcept;
+		void UpdateDeltaTime() noexcept;
 
 		//---------------------------------------------------------------------
 		// Class Member Types
@@ -196,17 +196,17 @@ namespace mage {
 		/**
 		 The last timestamp of this timer.
 		 */
-		mutable TimeStamp m_last_timestamp;
+		TimeStamp m_last_timestamp;
 
 		/**
 		 The delta time of this timer.
 		 */
-		mutable TimeInterval m_delta_time;
+		TimeInterval m_delta_time;
 
 		/**
 		 The total delta time of this timer.
 		 */
-		mutable TimeInterval m_total_delta_time;
+		TimeInterval m_total_delta_time;
 
 		/**
 		 Flag indicating whether this timer is running.
diff --git a/MAGE/Utilities/src/system/timer.tpp b/MAGE/Utilities/src/system/timer.tpp
index 5235e51f6..7363effca 100644
--- a/MAGE/Utilities/src/system/timer.tpp
+++ b/MAGE/Utilities/src/system/timer.tpp
@@ -50,9 +50,7 @@ namespace mage {
 	}
 
 	template< typename ClockT >
-	inline TimeIntervalSeconds Timer< ClockT >
-		::GetDeltaTime() const noexcept {
-
+	inline TimeIntervalSeconds Timer< ClockT >::GetDeltaTime() noexcept {
 		if (m_running) {
 			UpdateDeltaTime();
 		}
@@ -61,9 +59,7 @@ namespace mage {
 	}
 
 	template< typename ClockT >
-	inline TimeIntervalSeconds Timer< ClockT >
-		::GetTotalDeltaTime() const noexcept {
-
+	inline TimeIntervalSeconds Timer< ClockT >::GetTotalDeltaTime() noexcept {
 		if (m_running) {
 			UpdateDeltaTime();
 		}
@@ -73,7 +69,7 @@ namespace mage {
 
 	template< typename ClockT >
 	inline const std::pair< TimeIntervalSeconds, TimeIntervalSeconds > 
-		Timer< ClockT >::GetTime() const noexcept {
+		Timer< ClockT >::GetTime() noexcept {
 
 		if (m_running) {
 			UpdateDeltaTime();
@@ -86,7 +82,7 @@ namespace mage {
 	}
 
 	template< typename ClockT >
-	inline void Timer< ClockT >::ResetDeltaTime() const noexcept {
+	inline void Timer< ClockT >::ResetDeltaTime() noexcept {
 		// Resets the delta time of this timer.
 		m_delta_time       = TimeInterval::zero();
 		// Resets the total delta time of this timer.
@@ -96,7 +92,7 @@ namespace mage {
 	}
 
 	template< typename ClockT >
-	inline void Timer< ClockT >::UpdateDeltaTime() const noexcept {
+	inline void Timer< ClockT >::UpdateDeltaTime() noexcept {
 		// Get the current timestamp of this timer.
 		const auto current_timestamp = m_clock.now();