Optimized the hell out of TextListComponent (and TextComponent a bit)

src/components/TextComponent.cpp

@@ -83,7 +83,7 @@ void TextComponent::render(const Eigen::Affine3f& parentTrans)
 
 		if(mCentered)
 		{
-			Eigen::Vector2f textSize = font->sizeWrappedText(mText, getSize().x());
+			const Eigen::Vector2f& textSize = mTextCache->metrics.size;
 			Eigen::Vector2f pos((getSize().x() - textSize.x()) / 2, 0);
 
 			Eigen::Affine3f centeredTrans = trans;

src/components/TextListComponent.h

@@ -37,6 +37,7 @@ public:
 		std::string name;
 		T object;
 		unsigned int colorId;
+		std::shared_ptr<TextCache> textCache;
 	};
 
 	void add(const std::string& name, const T& obj, unsigned int colorId);
@@ -52,7 +53,7 @@ public:
 	void stopScrolling();
 	inline bool isScrolling() const { return mScrollDir != 0; }
 
-	inline void setTheme(const std::shared_ptr<ThemeData>& theme) { mTheme = theme; }
+	void setTheme(const std::shared_ptr<ThemeData>& theme);
 	inline void setCentered(bool centered) { mCentered = centered; }
 
 	enum CursorState {
@@ -113,7 +114,6 @@ template <typename T>
 void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
 {
 	Eigen::Affine3f trans = parentTrans * getTransform();
-	Renderer::setMatrix(trans);
 	
 	std::shared_ptr<Font> font = mTheme->getFont(THEME_FONT);
 
@@ -155,10 +155,11 @@ void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
 		//draw selector bar
 		if(mCursor == i)
 		{
+			Renderer::setMatrix(trans);
 			Renderer::drawRect(0, (int)y, (int)getSize().x(), font->getHeight(), mTheme->getColor(THEME_SELECTOR_COLOR));
 		}
 
-		ListRow row = mRowVector.at((unsigned int)i);
+		ListRow& row = mRowVector.at((unsigned int)i);
 
 		float x = (float)(mCursor == i ? -mMarqueeOffset : 0);
 
@@ -168,10 +169,21 @@ void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
 		else
 			color = mTheme->getColor(THEME_ENTRY_COLOR[row.colorId]);
 
+		if(!row.textCache)
+			row.textCache = std::unique_ptr<TextCache>(font->buildTextCache(row.name, 0, 0, 0x000000FF));
+
+		row.textCache->setColor(color);
+
+		Eigen::Vector3f offset(x, y, 0);
+
 		if(mCentered)
-			font->drawCenteredText(row.name, x, y, color);
+			offset[0] += (mSize.x() - row.textCache->metrics.size.x()) / 2;
-		else
+
-			font->drawText(row.name, Eigen::Vector2f(x, y), color);
+		Eigen::Affine3f drawTrans = trans;
+		drawTrans.translate(offset);
+		Renderer::setMatrix(drawTrans);
+
+		font->renderTextCache(row.textCache.get());
 		
 		y += entrySize;
 	}
@@ -370,4 +382,14 @@ void TextListComponent<T>::onCursorChanged(CursorState state)
 		mCursorChangedCallback(state);
 }
 
+template <typename T>
+void TextListComponent<T>::setTheme(const std::shared_ptr<ThemeData>& theme)
+{
+	mTheme = theme;
+
+	// invalidate text caches in case font changed
+	for(auto it = mRowVector.begin(); it != mRowVector.end(); it++)
+		it->textCache.reset();
+}
+
 #endif

src/views/DetailedGameListView.cpp

@@ -6,7 +6,6 @@ DetailedGameListView::DetailedGameListView(Window* window, FileData* root) :
 	mImage(window), mInfoBackground(window)
 {
 	mHeaderImage.setPosition(mSize.x() * 0.25f, 0);
-	mHeaderImage.setResize(mSize.x() * 0.5f, 0, true);
 
 	mInfoBackground.setPosition(0, mSize.y() * 0.5f, 0);
 	mInfoBackground.setOrigin(0, 0.5f);
@@ -38,11 +37,16 @@ DetailedGameListView::DetailedGameListView(Window* window, FileData* root) :
 
 void DetailedGameListView::setTheme(const std::shared_ptr<ThemeData>& theme)
 {
+	mHeaderImage.setResize(mSize.x() * 0.5f, 0, true);
 	BasicGameListView::setTheme(theme);
 
+	if(mHeaderImage.getPosition().y() + mHeaderImage.getSize().y() > mImage.getPosition().y())
+		mHeaderImage.setResize(0, mSize.y() * 0.185f, true);
+
 	mDescription.setFont(theme->getFont("descriptionFont"));
 	mDescription.setColor(theme->getColor("descriptionColor"));
 	mInfoBackground.setImage(theme->getImage("infoBackgroundImage").getTexture());
+	mInfoBackground.setTiling(theme->getImage("infoBackgroundImage").tile);
 }
 
 void DetailedGameListView::updateInfoPanel()

src/views/ViewController.cpp

@@ -180,5 +180,15 @@ void ViewController::render(const Eigen::Affine3f& parentTrans)
 
 	//should really do some clipping here
 	for(auto it = mSystemViews.begin(); it != mSystemViews.end(); it++)
-		it->second->render(trans);
+	{
+		Eigen::Vector3f pos = it->second->getPosition();
+		Eigen::Vector2f size = it->second->getSize();
+
+		Eigen::Vector3f camPos = -trans.translation();
+		Eigen::Vector2f camSize((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
+
+		if(pos.x() + size.x() >= camPos.x() && pos.y() + size.y() >= camPos.y() && 
+			pos.x() <= camPos.x() + camSize.x() && pos.y() <= camPos.y() + camSize.y())
+				it->second->render(trans);
+	}
 }

src/views/ViewController.h

@@ -14,7 +14,6 @@ public:
 	void goToPrevSystem();
 	void goToSystem(SystemData* system);
 	void goToSystemSelect();
-	void showQuickSystemSelect();
 	
 	void onFileChanged(FileData* file, FileChangeType change);