Index: ps/trunk/source/renderer/TimeManager.cpp
===================================================================
--- ps/trunk/source/renderer/TimeManager.cpp	(revision 25261)
+++ ps/trunk/source/renderer/TimeManager.cpp	(revision 25262)
@@ -1,45 +1,38 @@
-/* Copyright (C) 2012 Wildfire Games.
+/* Copyright (C) 2021 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. 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.
  *
  * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "precompiled.h"
 
-#include "lib/timer.h"
-#include "maths/MathUtil.h"
-#include "renderer/TimeManager.h"
+#include "TimeManager.h"
 
+CTimeManager::CTimeManager() = default;
 
-CTimeManager::CTimeManager()
+double CTimeManager::GetFrameDelta() const
 {
-	m_frameDelta = 0.0;
-	m_globalTime = 0.0;
+	return m_FrameDelta;
 }
 
-double CTimeManager::GetFrameDelta()
+double CTimeManager::GetGlobalTime() const
 {
-	return m_frameDelta;
-}
-
-double CTimeManager::GetGlobalTime()
-{
-	return m_globalTime;
+	return m_GlobalTime;
 }
 
 void CTimeManager::Update(double delta)
 {
-	m_frameDelta = delta;
-	m_globalTime += delta;
+	m_FrameDelta = delta;
+	m_GlobalTime += delta;
 }
Index: ps/trunk/source/renderer/TimeManager.h
===================================================================
--- ps/trunk/source/renderer/TimeManager.h	(revision 25261)
+++ ps/trunk/source/renderer/TimeManager.h	(revision 25262)
@@ -1,42 +1,36 @@
-/* Copyright (C) 2012 Wildfire Games.
+/* Copyright (C) 2021 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. 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.
  *
  * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef INCLUDED_TIMEMANAGER
 #define INCLUDED_TIMEMANAGER
 
-#include "graphics/Texture.h"
-#include "maths/Matrix3D.h"
-#include "lib/ogl.h"
-
-
 class CTimeManager
 {
 public:
 	CTimeManager();
 
-	double GetFrameDelta();
-	double GetGlobalTime();
+	double GetFrameDelta() const;
+	double GetGlobalTime() const;
 
 	void Update(double delta);
 
 private:
-	double m_frameDelta;
-	double m_globalTime;
+	double m_FrameDelta = 0.0;
+	double m_GlobalTime = 0.0;
 };
 
-
 #endif // INCLUDED_TIMEMANAGER