Moved most of the sleep code into the Window class.

Input is now consumed on wake.

src/Window.cpp

@@ -11,7 +11,7 @@
 #include "components/ImageComponent.h"
 
 Window::Window() : mNormalizeNextUpdate(false), mFrameTimeElapsed(0), mFrameCountElapsed(0), mAverageDeltaTime(10), 
-	mAllowSleep(true)
+	mAllowSleep(true), mSleeping(false), mTimeSinceLastInput(0)
 {
 	mViewController = new ViewController(this);
 	mHelp = new HelpComponent(this);
@@ -108,6 +108,17 @@ void Window::textInput(const char* text)
 
 void Window::input(InputConfig* config, Input input)
 {
+	if(mSleeping)
+	{
+		// wake up
+		mTimeSinceLastInput = 0;
+		mSleeping = false;
+		onWake();
+		return;
+	}
+
+	mTimeSinceLastInput = 0;
+
 	if(config->getDeviceId() == DEVICE_KEYBOARD && input.value && input.id == SDLK_g && SDL_GetModState() & KMOD_LCTRL && Settings::getInstance()->getBool("Debug"))
 	{
 		// toggle debug grid with Ctrl-G
@@ -169,6 +180,8 @@ void Window::update(int deltaTime)
 		mFrameCountElapsed = 0;
 	}
 
+	mTimeSinceLastInput += deltaTime;
+
 	if(peekGui())
 		peekGui()->update(deltaTime);
 }
@@ -193,16 +206,6 @@ void Window::render()
 		}
 	}
 
-	// draw everything
-	/*const unsigned int drawBGAfter = mGuiStack.size() > 1 ? mGuiStack.size() - 2 : mGuiStack.size();
-	for(unsigned int i = 0; i < mGuiStack.size(); i++)
-	{
-		mGuiStack.at(i)->render(transform);
-	
-		if(i == drawBGAfter)
-			mBackgroundOverlay->render(transform);
-	}*/
-
 	if(!mRenderedHelpPrompts)
 		mHelp->render(transform);
 
@@ -211,6 +214,14 @@ void Window::render()
 		Renderer::setMatrix(Eigen::Affine3f::Identity());
 		mDefaultFonts.at(1)->renderTextCache(mFrameDataText.get());
 	}
+
+	unsigned int screensaverTime = (unsigned int)Settings::getInstance()->getInt("ScreenSaverTime");
+	if(mTimeSinceLastInput >= screensaverTime && screensaverTime != 0 && mAllowSleep)
+	{
+		// go to sleep
+		mSleeping = true;
+		onSleep();
+	}
 }
 
 void Window::normalizeNextUpdate()
@@ -325,3 +336,16 @@ void Window::setHelpPrompts(const std::vector<HelpPrompt>& prompts, const HelpSt
 
 	mHelp->setPrompts(addPrompts);
 }
+
+
+void Window::onSleep()
+{
+	Renderer::setMatrix(Eigen::Affine3f::Identity());
+	unsigned char opacity = Settings::getInstance()->getString("ScreenSaverBehavior") == "dim" ? 0xA0 : 0xFF;
+	Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), 0x00000000 | opacity);
+}
+
+void Window::onWake()
+{
+
+}

src/Window.h

@@ -32,6 +32,7 @@ public:
 
 	void normalizeNextUpdate();
 
+	inline bool isSleeping() const { return mSleeping; }
 	bool getAllowSleep();
 	void setAllowSleep(bool sleep);
 	
@@ -41,6 +42,9 @@ public:
 	void setHelpPrompts(const std::vector<HelpPrompt>& prompts, const HelpStyle& style);
 
 private:
+	void onSleep();
+	void onWake();
+
 	ViewController* mViewController;
 	HelpComponent* mHelp;
 	ImageComponent* mBackgroundOverlay;
@@ -58,6 +62,9 @@ private:
 	bool mNormalizeNextUpdate;
 
 	bool mAllowSleep;
+	bool mSleeping;
+	unsigned int mTimeSinceLastInput;
+
 	bool mRenderedHelpPrompts;
 };
 

src/main.cpp

@@ -238,8 +238,6 @@ int main(int argc, char* argv[])
 	//generate joystick events since we're done loading
 	SDL_JoystickEventState(SDL_ENABLE);
 
-	bool sleeping = false;
-	unsigned int timeSinceLastEvent = 0;
 	int lastTime = SDL_GetTicks();
 	bool running = true;
 
@@ -260,11 +258,7 @@ int main(int argc, char* argv[])
 				case SDL_TEXTEDITING:
 				case SDL_JOYDEVICEADDED:
 				case SDL_JOYDEVICEREMOVED:
-					if(InputManager::getInstance()->parseEvent(event, &window))
-					{
-						sleeping = false;
-						timeSinceLastEvent = 0;
-					}
+					InputManager::getInstance()->parseEvent(event, &window);
 					break;
 				case SDL_QUIT:
 					running = false;
@@ -272,10 +266,10 @@ int main(int argc, char* argv[])
 			}
 		}
 
-		if(sleeping)
+		if(window.isSleeping())
 		{
 			lastTime = SDL_GetTicks();
-			SDL_Delay(1); //this doesn't need to be accurate
+			SDL_Delay(1); // this doesn't need to be accurate, we're just giving up our CPU time until something wakes us up
 			continue;
 		}
 
@@ -283,27 +277,12 @@ int main(int argc, char* argv[])
 		int deltaTime = curTime - lastTime;
 		lastTime = curTime;
 
-		//cap deltaTime at 1000
+		// cap deltaTime at 1000
 		if(deltaTime > 1000 || deltaTime < 0)
 			deltaTime = 1000;
 
 		window.update(deltaTime);
 		window.render();
-		
-		//sleep if we're past our threshold
-		//sleeping entails setting a flag to start skipping frames
-		//and initially drawing a black semi-transparent rect to dim the screen
-		timeSinceLastEvent += deltaTime;
-		if(timeSinceLastEvent >= (unsigned int)Settings::getInstance()->getInt("ScreenSaverTime") && Settings::getInstance()->getInt("ScreenSaverTime") != 0 && window.getAllowSleep())
-		{
-			sleeping = true;
-			timeSinceLastEvent = 0;
-			Renderer::setMatrix(Eigen::Affine3f::Identity());
-
-			unsigned char opacity = Settings::getInstance()->getString("ScreenSaverBehavior") == "dim" ? 0xA0 : 0xFF;
-			Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), 0x00000000 | opacity);
-		}
-
 		Renderer::swapBuffers();
 
 		Log::flush();