Framerate manager is now in a separate file and private member of GH

client/CMT.cpp

@@ -16,6 +16,7 @@
 #include "mainmenu/CMainMenu.h"
 #include "mainmenu/CPrologEpilogVideo.h"
 #include "gui/CursorHandler.h"
+#include "gui/FramerateManager.h"
 #include "CPlayerInterface.h"
 #include "CVideoHandler.h"
 #include "CMusicHandler.h"
@@ -599,8 +600,7 @@ static void mainLoop()
 	fsChanged([](const JsonNode &newState){  CGuiHandler::pushUserEvent(EUserEvent::FULLSCREEN_TOGGLED); });
 
 	inGuiThread.reset(new bool(true));
-	assert(GH.mainFPSmng);
-	GH.mainFPSmng->init(settings["video"]["targetfps"].Integer());
+	GH.framerateManager().init(settings["video"]["targetfps"].Integer());
 
 	while(1) //main SDL events loop
 	{

client/CMakeLists.txt

@@ -31,6 +31,7 @@ set(client_SRCS
 	gui/CIntObject.cpp
 	gui/CursorHandler.cpp
 	gui/InterfaceObjectConfigurable.cpp
+	gui/FramerateManager.cpp
 	gui/NotificationHandler.cpp
 	gui/ShortcutHandler.cpp
 
@@ -162,6 +163,7 @@ set(client_HEADERS
 	gui/CIntObject.h
 	gui/CursorHandler.h
 	gui/InterfaceObjectConfigurable.h
+	gui/FramerateManager.h
 	gui/MouseButton.h
 	gui/NotificationHandler.h
 	gui/Shortcut.h

client/CVideoHandler.cpp

@@ -370,7 +370,7 @@ void CVideoPlayer::update( int x, int y, SDL_Surface *dst, bool forceRedraw, boo
 	auto packet_duration = frame->duration;
 #endif
 	double frameEndTime = (frame->pts + packet_duration) * av_q2d(format->streams[stream]->time_base);
-	frameTime += GH.mainFPSmng->getElapsedMilliseconds() / 1000.0;
+	frameTime += GH.getFrameDeltaMilliseconds() / 1000.0;
 
 	if (frameTime >= frameEndTime )
 	{
@@ -450,6 +450,7 @@ bool CVideoPlayer::playVideo(int x, int y, bool stopOnKey)
 
 	pos.x = x;
 	pos.y = y;
+	frameTime = 0.0;
 
 	while(nextFrame())
 	{
@@ -461,10 +462,15 @@ bool CVideoPlayer::playVideo(int x, int y, bool stopOnKey)
 		SDL_RenderCopy(mainRenderer, texture, nullptr, &rect);
 		SDL_RenderPresent(mainRenderer);
 
-		// Wait 3 frames
-		GH.mainFPSmng->framerateDelay();
-		GH.mainFPSmng->framerateDelay();
-		GH.mainFPSmng->framerateDelay();
+#if (LIBAVUTIL_VERSION_MAJOR < 58)
+		auto packet_duration = frame->pkt_duration;
+#else
+		auto packet_duration = frame->duration;
+#endif
+		double frameDurationSec = packet_duration * av_q2d(format->streams[stream]->time_base);
+		uint32_t timeToSleepMillisec = 1000 * (frameDurationSec);
+
+		boost::this_thread::sleep(boost::posix_time::millisec(timeToSleepMillisec));
 	}
 
 	return true;

client/adventureMap/AdventureMapInterface.cpp

@@ -59,7 +59,7 @@ AdventureMapInterface::AdventureMapInterface():
 	shortcuts->setState(EAdventureState::MAKING_TURN);
 	widget->getMapView()->onViewMapActivated();
 
-	addUsedEvents(KEYBOARD);
+	addUsedEvents(KEYBOARD | TIME);
 }
 
 void AdventureMapInterface::onMapViewMoved(const Rect & visibleArea, int mapLevel)
@@ -139,18 +139,20 @@ void AdventureMapInterface::showAll(SDL_Surface * to)
 
 void AdventureMapInterface::show(SDL_Surface * to)
 {
-	handleMapScrollingUpdate();
-
 	CIntObject::show(to);
 	LOCPLINT->cingconsole->show(to);
 }
 
-void AdventureMapInterface::handleMapScrollingUpdate()
+void AdventureMapInterface::tick(uint32_t msPassed)
+{
+	handleMapScrollingUpdate(msPassed);
+}
+
+void AdventureMapInterface::handleMapScrollingUpdate(uint32_t timePassed)
 {
 	/// Width of window border, in pixels, that triggers map scrolling
 	static constexpr uint32_t borderScrollWidth = 15;
 
-	uint32_t timePassed = GH.mainFPSmng->getElapsedMilliseconds();
 	uint32_t scrollSpeedPixels = settings["adventure"]["scrollSpeedPixels"].Float();
 	uint32_t scrollDistance = scrollSpeedPixels * timePassed / 1000;
 

client/adventureMap/AdventureMapInterface.h

@@ -75,7 +75,7 @@ private:
 	const IShipyard * ourInaccessibleShipyard(const CGObjectInstance *obj) const;
 
 	/// check and if necessary reacts on scrolling by moving cursor to screen edge
-	void handleMapScrollingUpdate();
+	void handleMapScrollingUpdate(uint32_t msPassed);
 
 	void showMoveDetailsInStatusbar(const CGHeroInstance & hero, const CGPathNode & pathNode);
 
@@ -93,6 +93,7 @@ protected:
 	void activate() override;
 	void deactivate() override;
 
+	void tick(uint32_t msPassed) override;
 	void show(SDL_Surface * to) override;
 	void showAll(SDL_Surface * to) override;
 

client/battle/BattleAnimationClasses.cpp

@@ -381,7 +381,7 @@ bool MovementAnimation::init()
 
 void MovementAnimation::nextFrame()
 {
-	progress += float(GH.mainFPSmng->getElapsedMilliseconds()) / 1000 * progressPerSecond;
+	progress += float(GH.getFrameDeltaMilliseconds()) / 1000 * progressPerSecond;
 
 	//moving instructions
 	myAnim->pos.x = static_cast<Sint16>(begX + distanceX * progress );
@@ -579,7 +579,7 @@ bool ColorTransformAnimation::init()
 
 void ColorTransformAnimation::nextFrame()
 {
-	float elapsed  = GH.mainFPSmng->getElapsedMilliseconds() / 1000.f;
+	float elapsed  = GH.getFrameDeltaMilliseconds() / 1000.f;
 	float fullTime = AnimationControls::getFadeInDuration();
 	float delta    = elapsed / fullTime;
 	totalProgress += delta;
@@ -1029,7 +1029,7 @@ void EffectAnimation::playEffect()
 	{
 		if(elem.effectID == ID)
 		{
-			elem.currentFrame += AnimationControls::getSpellEffectSpeed() * GH.mainFPSmng->getElapsedMilliseconds() / 1000;
+			elem.currentFrame += AnimationControls::getSpellEffectSpeed() * GH.getFrameDeltaMilliseconds() / 1000;
 
 			if(elem.currentFrame >= elem.animation->size())
 			{

client/battle/BattleInterfaceClasses.cpp

@@ -220,7 +220,7 @@ void BattleHero::render(Canvas & canvas)
 	canvas.draw(flagFrame, flagPosition);
 	canvas.draw(heroFrame, heroPosition);
 
-	float timePassed = float(GH.mainFPSmng->getElapsedMilliseconds()) / 1000.f;
+	float timePassed = float(GH.getFrameDeltaMilliseconds()) / 1000.f;
 
 	flagCurrentFrame += currentSpeed * timePassed;
 	currentFrame += currentSpeed * timePassed;

client/battle/BattleObstacleController.cpp

@@ -161,7 +161,7 @@ void BattleObstacleController::collectRenderableObjects(BattleRenderer & rendere
 
 void BattleObstacleController::update()
 {
-	timePassed += GH.mainFPSmng->getElapsedMilliseconds() / 1000.f;
+	timePassed += GH.getFrameDeltaMilliseconds() / 1000.f;
 }
 
 std::shared_ptr<IImage> BattleObstacleController::getObstacleImage(const CObstacleInstance & oi)

client/battle/BattleProjectileController.cpp

@@ -59,14 +59,14 @@ void ProjectileMissile::show(Canvas & canvas)
 		canvas.draw(image, pos);
 	}
 
-	float timePassed = GH.mainFPSmng->getElapsedMilliseconds() / 1000.f;
+	float timePassed = GH.getFrameDeltaMilliseconds() / 1000.f;
 	progress += timePassed * speed;
 }
 
 void ProjectileAnimatedMissile::show(Canvas & canvas)
 {
 	ProjectileMissile::show(canvas);
-	frameProgress += AnimationControls::getSpellEffectSpeed() * GH.mainFPSmng->getElapsedMilliseconds() / 1000;
+	frameProgress += AnimationControls::getSpellEffectSpeed() * GH.getFrameDeltaMilliseconds() / 1000;
 	size_t animationSize = animation->size(reverse ? 1 : 0);
 	while (frameProgress > animationSize)
 		frameProgress -= animationSize;
@@ -76,7 +76,7 @@ void ProjectileAnimatedMissile::show(Canvas & canvas)
 
 void ProjectileCatapult::show(Canvas & canvas)
 {
-	frameProgress += AnimationControls::getSpellEffectSpeed() * GH.mainFPSmng->getElapsedMilliseconds() / 1000;
+	frameProgress += AnimationControls::getSpellEffectSpeed() * GH.getFrameDeltaMilliseconds() / 1000;
 	int frameCounter = std::floor(frameProgress);
 	int frameIndex = (frameCounter + 1) % animation->size(0);
 
@@ -91,7 +91,7 @@ void ProjectileCatapult::show(Canvas & canvas)
 		canvas.draw(image, pos);
 	}
 
-	float timePassed = GH.mainFPSmng->getElapsedMilliseconds() / 1000.f;
+	float timePassed = GH.getFrameDeltaMilliseconds() / 1000.f;
 	progress += timePassed * speed;
 }
 
@@ -136,7 +136,7 @@ void ProjectileRay::show(Canvas & canvas)
 		}
 	}
 
-	float timePassed = GH.mainFPSmng->getElapsedMilliseconds() / 1000.f;
+	float timePassed = GH.getFrameDeltaMilliseconds() / 1000.f;
 	progress += timePassed * speed;
 }
 

client/battle/BattleStacksController.cpp

@@ -335,7 +335,7 @@ void BattleStacksController::showStack(Canvas & canvas, const CStack * stack)
 	}
 
 	stackAnimation[stack->unitId()]->nextFrame(canvas, fullFilter, facingRight(stack)); // do actual blit
-	stackAnimation[stack->unitId()]->incrementFrame(float(GH.mainFPSmng->getElapsedMilliseconds()) / 1000);
+	stackAnimation[stack->unitId()]->incrementFrame(float(GH.getFrameDeltaMilliseconds()) / 1000);
 }
 
 void BattleStacksController::update()

client/gui/CGuiHandler.cpp

@@ -14,6 +14,7 @@
 #include "CIntObject.h"
 #include "CursorHandler.h"
 #include "ShortcutHandler.h"
+#include "FramerateManager.h"
 
 #include "../CGameInfo.h"
 #include "../render/Colors.h"
@@ -100,7 +101,7 @@ void CGuiHandler::init()
 {
 	screenHandlerInstance = std::make_unique<ScreenHandler>();
 	shortcutsHandlerInstance = std::make_unique<ShortcutHandler>();
-	mainFPSmng = new CFramerateManager(settings["video"]["targetfps"].Integer());
+	framerateManagerInstance = std::make_unique<FramerateManager>(settings["video"]["targetfps"].Integer());
 
 	isPointerRelativeMode = settings["general"]["userRelativePointer"].Bool();
 	pointerSpeedMultiplier = settings["general"]["relativePointerSpeedMultiplier"].Float();
@@ -193,7 +194,7 @@ void CGuiHandler::totalRedraw()
 
 void CGuiHandler::updateTime()
 {
-	int ms = mainFPSmng->getElapsedMilliseconds();
+	int ms = framerateManagerInstance->getElapsedMilliseconds();
 	std::list<CIntObject*> hlp = timeinterested;
 	for (auto & elem : hlp)
 	{
@@ -692,10 +693,9 @@ void CGuiHandler::renderFrame()
 		disposed.clear();
 	}
 
-	mainFPSmng->framerateDelay(); // holds a constant FPS
+	framerateManagerInstance->framerateDelay(); // holds a constant FPS
 }
 
-
 CGuiHandler::CGuiHandler()
 	: lastClick(-500, -500)
 	, lastClickTime(0)
@@ -705,7 +705,6 @@ CGuiHandler::CGuiHandler()
 	, mouseButtonsMask(0)
 	, continueEventHandling(true)
 	, curInt(nullptr)
-	, mainFPSmng(nullptr)
 	, statusbar(nullptr)
 {
 	terminate_cond = new CondSh<bool>(false);
@@ -713,7 +712,6 @@ CGuiHandler::CGuiHandler()
 
 CGuiHandler::~CGuiHandler()
 {
-	delete mainFPSmng;
 	delete terminate_cond;
 }
 
@@ -722,6 +720,11 @@ ShortcutHandler & CGuiHandler::shortcutsHandler()
 	return *shortcutsHandlerInstance;
 }
 
+FramerateManager & CGuiHandler::framerateManager()
+{
+	return *framerateManagerInstance;
+}
+
 void CGuiHandler::moveCursorToPosition(const Point & position)
 {
 	SDL_WarpMouseInWindow(mainWindow, position.x, position.y);
@@ -756,6 +759,11 @@ const Point & CGuiHandler::getCursorPosition() const
 	return cursorPosition;
 }
 
+uint32_t CGuiHandler::getFrameDeltaMilliseconds() const
+{
+	return framerateManagerInstance->getElapsedMilliseconds();
+}
+
 Point CGuiHandler::screenDimensions() const
 {
 	return Point(screen->w, screen->h);
@@ -783,7 +791,7 @@ void CGuiHandler::drawFPSCounter()
 	static SDL_Rect overlay = { 0, 0, 64, 32};
 	uint32_t black = SDL_MapRGB(screen->format, 10, 10, 10);
 	SDL_FillRect(screen, &overlay, black);
-	std::string fps = std::to_string(mainFPSmng->getFramerate());
+	std::string fps = std::to_string(framerateManagerInstance->getFramerate());
 	graphics->fonts[FONT_BIG]->renderTextLeft(screen, fps, Colors::YELLOW, Point(10, 10));
 }
 
@@ -823,55 +831,3 @@ void CGuiHandler::onScreenResize()
 
 	totalRedraw();
 }
-
-
-CFramerateManager::CFramerateManager(int newRate)
-	: rate(0)
-	, rateticks(0)
-	, fps(0)
-	, accumulatedFrames(0)
-	, accumulatedTime(0)
-	, lastticks(0)
-	, timeElapsed(0)
-{
-	init(newRate);
-}
-
-void CFramerateManager::init(int newRate)
-{
-	rate = newRate;
-	rateticks = 1000.0 / rate;
-	this->lastticks = SDL_GetTicks();
-}
-
-void CFramerateManager::framerateDelay()
-{
-	ui32 currentTicks = SDL_GetTicks();
-
-	timeElapsed = currentTicks - lastticks;
-	accumulatedFrames++;
-
-	// FPS is higher than it should be, then wait some time
-	if(timeElapsed < rateticks)
-	{
-		int timeToSleep = (uint32_t)ceil(this->rateticks) - timeElapsed;
-		boost::this_thread::sleep(boost::posix_time::milliseconds(timeToSleep));
-	}
-
-	currentTicks = SDL_GetTicks();
-	// recalculate timeElapsed for external calls via getElapsed()
-	// limit it to 100 ms to avoid breaking animation in case of huge lag (e.g. triggered breakpoint)
-	timeElapsed = std::min<ui32>(currentTicks - lastticks, 100);
-
-	lastticks = SDL_GetTicks();
-
-	accumulatedTime += timeElapsed;
-
-	if(accumulatedFrames >= 100)
-	{
-		//about 2 second should be passed
-		fps = static_cast<int>(ceil(1000.0 / (accumulatedTime / accumulatedFrames)));
-		accumulatedTime = 0;
-		accumulatedFrames = 0;
-	}
-}

client/gui/CGuiHandler.h

@@ -23,7 +23,7 @@ union SDL_Event;
 struct SDL_MouseMotionEvent;
 
 class ShortcutHandler;
-class CFramerateManager;
+class FramerateManager;
 class IStatusBar;
 class CIntObject;
 class IUpdateable;
@@ -44,32 +44,11 @@ enum class EUserEvent
 	FORCE_QUIT, //quit client without question
 };
 
-// A fps manager which holds game updates at a constant rate
-class CFramerateManager
-{
-private:
-	double rateticks;
-	ui32 lastticks;
-	ui32 timeElapsed;
-	int rate;
-	int fps; // the actual fps value
-	ui32 accumulatedTime;
-	ui32 accumulatedFrames;
-
-public:
-	CFramerateManager(int newRate); // initializes the manager with a given fps rate
-	void init(int newRate); // needs to be called directly before the main game loop to reset the internal timer
-	void framerateDelay(); // needs to be called every game update cycle
-	ui32 getElapsedMilliseconds() const {return this->timeElapsed;}
-	ui32 getFrameNumber() const { return accumulatedFrames; }
-	ui32 getFramerate() const { return fps; };
-};
-
 // Handles GUI logic and drawing
 class CGuiHandler
 {
 public:
-	CFramerateManager * mainFPSmng; //to keep const framerate
+
 	std::list<std::shared_ptr<IShowActivatable>> listInt; //list of interfaces - front=foreground; back = background (includes adventure map, window interfaces, all kind of active dialogs, and so on)
 	std::shared_ptr<IStatusBar> statusbar;
 
@@ -97,6 +76,7 @@ private:
 	CIntObjectList textInterested;
 
 	std::unique_ptr<IScreenHandler> screenHandlerInstance;
+	std::unique_ptr<FramerateManager> framerateManagerInstance;
 
 	void handleMouseButtonClick(CIntObjectList & interestedObjs, MouseButton btn, bool isPressed);
 	void processLists(const ui16 activityFlag, std::function<void (std::list<CIntObject*> *)> cb);
@@ -117,7 +97,9 @@ public:
 	const Point & getCursorPosition() const;
 
 	ShortcutHandler & shortcutsHandler();
+	FramerateManager & framerateManager();
 
+	uint32_t getFrameDeltaMilliseconds() const;
 	Point screenDimensions() const;
 
 	/// returns true if at least one mouse button is pressed

client/gui/CursorHandler.cpp

@@ -250,7 +250,7 @@ void CursorHandler::updateSpellcastCursor()
 {
 	static const float frameDisplayDuration = 0.1f; // H3 uses 100 ms per frame
 
-	frameTime += GH.mainFPSmng->getElapsedMilliseconds() / 1000.f;
+	frameTime += GH.getFrameDeltaMilliseconds() / 1000.f;
 	size_t newFrame = frame;
 
 	while (frameTime >= frameDisplayDuration)

client/gui/FramerateManager.cpp

@@ -0,0 +1,65 @@
+/*
+ * FramerateManager.h, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+
+#include "StdInc.h"
+#include "FramerateManager.h"
+
+#include <SDL_timer.h>
+
+FramerateManager::FramerateManager(int newRate)
+	: rate(0)
+	, rateticks(0)
+	, fps(0)
+	, accumulatedFrames(0)
+	, accumulatedTime(0)
+	, lastticks(0)
+	, timeElapsed(0)
+{
+	init(newRate);
+}
+
+void FramerateManager::init(int newRate)
+{
+	rate = newRate;
+	rateticks = 1000.0 / rate;
+	this->lastticks = SDL_GetTicks();
+}
+
+void FramerateManager::framerateDelay()
+{
+	ui32 currentTicks = SDL_GetTicks();
+
+	timeElapsed = currentTicks - lastticks;
+	accumulatedFrames++;
+
+	// FPS is higher than it should be, then wait some time
+	if(timeElapsed < rateticks)
+	{
+		int timeToSleep = (uint32_t)ceil(this->rateticks) - timeElapsed;
+		boost::this_thread::sleep(boost::posix_time::milliseconds(timeToSleep));
+	}
+
+	currentTicks = SDL_GetTicks();
+	// recalculate timeElapsed for external calls via getElapsed()
+	// limit it to 100 ms to avoid breaking animation in case of huge lag (e.g. triggered breakpoint)
+	timeElapsed = std::min<ui32>(currentTicks - lastticks, 100);
+
+	lastticks = SDL_GetTicks();
+
+	accumulatedTime += timeElapsed;
+
+	if(accumulatedFrames >= 100)
+	{
+		//about 2 second should be passed
+		fps = static_cast<int>(ceil(1000.0 / (accumulatedTime / accumulatedFrames)));
+		accumulatedTime = 0;
+		accumulatedFrames = 0;
+	}
+}

client/gui/FramerateManager.h

@@ -0,0 +1,31 @@
+/*
+ * FramerateManager.h, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+#pragma once
+
+// A fps manager which holds game updates at a constant rate
+class FramerateManager
+{
+private:
+	double rateticks;
+	ui32 lastticks;
+	ui32 timeElapsed;
+	int rate;
+	int fps; // the actual fps value
+	ui32 accumulatedTime;
+	ui32 accumulatedFrames;
+
+public:
+	FramerateManager(int newRate); // initializes the manager with a given fps rate
+	void init(int newRate); // needs to be called directly before the main game loop to reset the internal timer
+	void framerateDelay(); // needs to be called every game update cycle
+	ui32 getElapsedMilliseconds() const {return this->timeElapsed;}
+	ui32 getFrameNumber() const { return accumulatedFrames; }
+	ui32 getFramerate() const { return fps; };
+};

client/mapView/MapView.cpp

@@ -66,13 +66,13 @@ void BasicMapView::render(Canvas & target, bool fullUpdate)
 
 void BasicMapView::show(SDL_Surface * to)
 {
-	controller->updateBefore(GH.mainFPSmng->getElapsedMilliseconds());
+	controller->updateBefore(GH.getFrameDeltaMilliseconds());
 
 	Canvas target(to);
 	CSDL_Ext::CClipRectGuard guard(to, pos);
 	render(target, false);
 
-	controller->updateAfter(GH.mainFPSmng->getElapsedMilliseconds());
+	controller->updateAfter(GH.getFrameDeltaMilliseconds());
 }
 
 void BasicMapView::showAll(SDL_Surface * to)

client/widgets/Images.cpp

@@ -395,7 +395,7 @@ void CShowableAnim::show(SDL_Surface * to)
 	if ((flags & PLAY_ONCE) && frame + 1 == last)
 		return;
 
-	frameTimePassed += GH.mainFPSmng->getElapsedMilliseconds();
+	frameTimePassed += GH.getFrameDeltaMilliseconds();
 
 	if(frameTimePassed >= frameTimeTotal)
 	{

client/windows/CCastleInterface.cpp

@@ -215,7 +215,7 @@ void CBuildingRect::show(SDL_Surface * to)
 	}
 
 	if(stateTimeCounter < BUILD_ANIMATION_FINISHED_TIMEPOINT)
-		stateTimeCounter += GH.mainFPSmng->getElapsedMilliseconds();
+		stateTimeCounter += GH.getFrameDeltaMilliseconds();
 }
 
 void CBuildingRect::showAll(SDL_Surface * to)