Removed some old effects code from Window.

Added a simple "LOADING" screen when ES starts up.
ViewController now preloads GameListViews so there's no lag when browsing
to a system for the first time.

src/Window.cpp

@@ -9,16 +9,17 @@
 #include "views/ViewController.h"
 
 Window::Window() : mNormalizeNextUpdate(false), mFrameTimeElapsed(0), mFrameCountElapsed(0), mAverageDeltaTime(10), 
-	mZoomFactor(1.0f), mCenterPoint(0, 0), mMatrix(Eigen::Affine3f::Identity()), mFadePercent(0.0f), mAllowSleep(true)
+	mAllowSleep(true)
 {
 	mInputManager = new InputManager(this);
 	mViewController = new ViewController(this);
 	pushGui(mViewController);
-	setCenterPoint(Eigen::Vector2f(Renderer::getScreenWidth() / 2, Renderer::getScreenHeight() / 2));
 }
 
 Window::~Window()
 {
+	delete mViewController; // this would get deleted down below, but just to be safe, delete it here
+
 	//delete all our GUIs
 	while(peekGui())
 		delete peekGui();
@@ -131,13 +132,12 @@ void Window::update(int deltaTime)
 
 void Window::render()
 {
+	Eigen::Affine3f transform = Eigen::Affine3f::Identity();
 	for(unsigned int i = 0; i < mGuiStack.size(); i++)
 	{
-		mGuiStack.at(i)->render(mMatrix);
+		mGuiStack.at(i)->render(transform);
 	}
 
-	postProcess();
-
 	if(Settings::getInstance()->getBool("DRAWFRAMERATE"))
 	{
 		Renderer::setMatrix(Eigen::Affine3f::Identity());
@@ -150,42 +150,6 @@ void Window::normalizeNextUpdate()
 	mNormalizeNextUpdate = true;
 }
 
-void Window::setZoomFactor(const float& zoom)
-{
-	mZoomFactor = zoom;
-	updateMatrix();
-}
-
-void Window::setCenterPoint(const Eigen::Vector2f& point)
-{
-	mCenterPoint = point;
-	updateMatrix();
-}
-
-void Window::updateMatrix()
-{
-	const float sw = Renderer::getScreenWidth() / mZoomFactor;
-	const float sh = Renderer::getScreenHeight() / mZoomFactor;
-
-	mMatrix = Eigen::Affine3f::Identity();
-	mMatrix = mMatrix.scale(Eigen::Vector3f(mZoomFactor, mZoomFactor, 1));
-	mMatrix = mMatrix.translate(Eigen::Vector3f(sw / 2 - mCenterPoint.x(), sh / 2 - mCenterPoint.y(), 0));
-}
-
-void Window::setFadePercent(const float& perc)
-{
-	mFadePercent = perc;
-}
-
-void Window::postProcess()
-{
-	if(mFadePercent > 0.0f)
-	{
-		Renderer::setMatrix(Eigen::Affine3f::Identity());
-		Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), 0x00000000 | ((unsigned char)(mFadePercent * 255)));
-	}
-}
-
 bool Window::getAllowSleep()
 {
 	return mAllowSleep;
@@ -195,3 +159,11 @@ void Window::setAllowSleep(bool sleep)
 {
 	mAllowSleep = sleep;
 }
+
+void Window::renderLoadingScreen()
+{
+	Renderer::setMatrix(Eigen::Affine3f::Identity());
+	Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), 0x000000FF);
+	mDefaultFonts.at(2)->drawCenteredText("LOADING", 0, (Renderer::getScreenHeight() - mDefaultFonts.at(2)->getHeight()) / 2.0f , 0xFFFFFFFF);
+	Renderer::swapBuffers();
+}

src/Window.h

@@ -30,14 +30,11 @@ public:
 
 	void normalizeNextUpdate();
 
-	void setZoomFactor(const float& zoom);
-	void setCenterPoint(const Eigen::Vector2f& point);
-
-	void setFadePercent(const float& perc);
-
 	bool getAllowSleep();
 	void setAllowSleep(bool sleep);
 	
+	void renderLoadingScreen();
+
 private:
 	InputManager* mInputManager;
 	ViewController* mViewController;
@@ -52,15 +49,6 @@ private:
 
 	bool mNormalizeNextUpdate;
 
-	float mZoomFactor;
-	Eigen::Vector2f mCenterPoint;
-
-	void updateMatrix();
-	Eigen::Affine3f mMatrix;
-
-	void postProcess();
-	float mFadePercent;
-
 	bool mAllowSleep;
 };
 

src/main.cpp

@@ -131,12 +131,17 @@ int main(int argc, char* argv[])
 	atexit(&onExit);
 
 	Window window;
-	if(!scrape_cmdline && !window.init(width, height))
+	if(!scrape_cmdline)
+	{
+		if(!window.init(width, height))
 		{
 			LOG(LogError) << "Window failed to initialize!";
 			return 1;
 		}
 
+		window.renderLoadingScreen();
+	}
+
 	//try loading the system config file
 	if(!SystemData::loadConfig(SystemData::getConfigPath(), true))
 	{
@@ -160,6 +165,10 @@ int main(int argc, char* argv[])
 	//dont generate joystick events while we're loading (hopefully fixes "automatically started emulator" bug)
 	SDL_JoystickEventState(SDL_DISABLE);
 
+	// preload what we can right away instead of waiting for the user to select it
+	// this makes for no delays when accessing content, but a longer startup time
+	window.getViewController()->preload();
+
 	//choose which GUI to open depending on if an input configuration already exists
 	if(fs::exists(InputManager::getConfigPath()))
 	{

src/views/ViewController.cpp

@@ -19,7 +19,6 @@ void ViewController::goToSystemSelect()
 	mState.viewing = SYSTEM_SELECT;
 	mCurrentView = getSystemListView();
 	playViewTransition();
-	LOG(LogInfo) << "going to system select";
 }
 
 SystemData* getSystemCyclic(SystemData* from, bool reverse)
@@ -46,7 +45,7 @@ SystemData* getSystemCyclic(SystemData* from, bool reverse)
 
 void ViewController::goToNextGameList()
 {
-	assert(mState.viewing == SYSTEM);
+	assert(mState.viewing == GAME_LIST);
 
 	SystemData* system = mState.data.system;
 	if(system == NULL)
@@ -57,7 +56,7 @@ void ViewController::goToNextGameList()
 
 void ViewController::goToPrevGameList()
 {
-	assert(mState.viewing == SYSTEM);
+	assert(mState.viewing == GAME_LIST);
 
 	SystemData* system = mState.data.system;
 	if(system == NULL)
@@ -213,3 +212,11 @@ void ViewController::render(const Eigen::Affine3f& parentTrans)
 		Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), 0x00000000 | (unsigned char)(mFadeOpacity * 255));
 	}
 }
+
+void ViewController::preload()
+{
+	for(auto it = SystemData::sSystemVector.begin(); it != SystemData::sSystemVector.end(); it++)
+	{
+		getGameListView(*it);
+	}
+}

src/views/ViewController.h

@@ -10,6 +10,10 @@ class ViewController : public GuiComponent
 public:
 	ViewController(Window* window);
 
+	// Try to completely populate the GameListView map.
+	// Caches things so there's no pauses during transitions.
+	void preload();
+
 	// Navigation.
 	void goToNextGameList();
 	void goToPrevGameList();