Replace Eigen with "inhouse" vector and matrix math

CMake/Packages/FindEigen3.cmake

@@ -1,80 +0,0 @@
-# - Try to find Eigen3 lib
-#
-# This module supports requiring a minimum version, e.g. you can do
-#   find_package(Eigen3 3.1.2)
-# to require version 3.1.2 or newer of Eigen3.
-#
-# Once done this will define
-#
-#  EIGEN3_FOUND - system has eigen lib with correct version
-#  EIGEN3_INCLUDE_DIR - the eigen include directory
-#  EIGEN3_VERSION - eigen version
-
-# Copyright (c) 2006, 2007 Montel Laurent, <montel@kde.org>
-# Copyright (c) 2008, 2009 Gael Guennebaud, <g.gael@free.fr>
-# Copyright (c) 2009 Benoit Jacob <jacob.benoit.1@gmail.com>
-# Redistribution and use is allowed according to the terms of the 2-clause BSD license.
-
-if(NOT Eigen3_FIND_VERSION)
-  if(NOT Eigen3_FIND_VERSION_MAJOR)
-    set(Eigen3_FIND_VERSION_MAJOR 2)
-  endif(NOT Eigen3_FIND_VERSION_MAJOR)
-  if(NOT Eigen3_FIND_VERSION_MINOR)
-    set(Eigen3_FIND_VERSION_MINOR 91)
-  endif(NOT Eigen3_FIND_VERSION_MINOR)
-  if(NOT Eigen3_FIND_VERSION_PATCH)
-    set(Eigen3_FIND_VERSION_PATCH 0)
-  endif(NOT Eigen3_FIND_VERSION_PATCH)
-
-  set(Eigen3_FIND_VERSION "${Eigen3_FIND_VERSION_MAJOR}.${Eigen3_FIND_VERSION_MINOR}.${Eigen3_FIND_VERSION_PATCH}")
-endif(NOT Eigen3_FIND_VERSION)
-
-macro(_eigen3_check_version)
-  file(READ "${EIGEN3_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen3_version_header)
-
-  string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen3_world_version_match "${_eigen3_version_header}")
-  set(EIGEN3_WORLD_VERSION "${CMAKE_MATCH_1}")
-  string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen3_major_version_match "${_eigen3_version_header}")
-  set(EIGEN3_MAJOR_VERSION "${CMAKE_MATCH_1}")
-  string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen3_minor_version_match "${_eigen3_version_header}")
-  set(EIGEN3_MINOR_VERSION "${CMAKE_MATCH_1}")
-
-  set(EIGEN3_VERSION ${EIGEN3_WORLD_VERSION}.${EIGEN3_MAJOR_VERSION}.${EIGEN3_MINOR_VERSION})
-  if(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION})
-    set(EIGEN3_VERSION_OK FALSE)
-  else(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION})
-    set(EIGEN3_VERSION_OK TRUE)
-  endif(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION})
-
-  if(NOT EIGEN3_VERSION_OK)
-
-    message(STATUS "Eigen3 version ${EIGEN3_VERSION} found in ${EIGEN3_INCLUDE_DIR}, "
-                   "but at least version ${Eigen3_FIND_VERSION} is required")
-  endif(NOT EIGEN3_VERSION_OK)
-endmacro(_eigen3_check_version)
-
-if (EIGEN3_INCLUDE_DIR)
-
-  # in cache already
-  _eigen3_check_version()
-  set(EIGEN3_FOUND ${EIGEN3_VERSION_OK})
-
-else (EIGEN3_INCLUDE_DIR)
-
-  find_path(EIGEN3_INCLUDE_DIR NAMES signature_of_eigen3_matrix_library
-      PATHS
-      ${CMAKE_INSTALL_PREFIX}/include
-      ${KDE4_INCLUDE_DIR}
-      PATH_SUFFIXES eigen3 eigen Eigen
-    )
-
-  if(EIGEN3_INCLUDE_DIR)
-    _eigen3_check_version()
-  endif(EIGEN3_INCLUDE_DIR)
-
-  include(FindPackageHandleStandardArgs)
-  find_package_handle_standard_args(Eigen3 DEFAULT_MSG EIGEN3_INCLUDE_DIR EIGEN3_VERSION_OK)
-
-  mark_as_advanced(EIGEN3_INCLUDE_DIR)
-
-endif(EIGEN3_INCLUDE_DIR)

CMakeLists.txt

@@ -54,7 +54,6 @@ find_package(Boost REQUIRED COMPONENTS system date_time locale)
 else()
 find_package(Boost REQUIRED COMPONENTS system filesystem date_time locale)
 endif()
-find_package(Eigen3 REQUIRED)
 find_package(CURL REQUIRED)
 find_package(VLC REQUIRED)
 
@@ -102,8 +101,6 @@ else()
     add_definitions(-DUSE_OPENGL_ES)
 endif()
 
-add_definitions(-DEIGEN_DONT_ALIGN)
-
 #-------------------------------------------------------------------------------
 #add include directories
 set(COMMON_INCLUDE_DIRS
@@ -111,7 +108,6 @@ set(COMMON_INCLUDE_DIRS
     ${FreeImage_INCLUDE_DIRS}
     ${SDL2_INCLUDE_DIR}
     ${Boost_INCLUDE_DIRS}
-    ${EIGEN3_INCLUDE_DIR}
     ${CURL_INCLUDE_DIR}
     ${VLC_INCLUDE_DIR}
     ${CMAKE_CURRENT_SOURCE_DIR}/external

es-app/CMakeLists.txt

@@ -154,7 +154,7 @@ SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "Alec Lofquist <allofquist@yahoo.com>")
 SET(CPACK_DEBIAN_PACKAGE_SECTION "misc")
 SET(CPACK_DEBIAN_PACKAGE_PRIORITY "extra")
 SET(CPACK_DEBIAN_PACKAGE_DEPENDS "libc6, libsdl2-2.0-0, libboost-system${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}, libboost-filesystem${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}, libfreeimage3, libfreetype6, libcurl3, libasound2")
-SET(CPACK_DEBIAN_PACKAGE_BUILDS_DEPENDS "debhelper (>= 8.0.0), cmake, g++ (>= 4.8), libsdl2-dev, libboost-system-dev, libboost-filesystem-dev, libboost-date-time-dev, libfreeimage-dev, libfreetype6-dev, libeigen3-dev, libcurl4-openssl-dev, libasound2-dev, libgl1-mesa-dev")
+SET(CPACK_DEBIAN_PACKAGE_BUILDS_DEPENDS "debhelper (>= 8.0.0), cmake, g++ (>= 4.8), libsdl2-dev, libboost-system-dev, libboost-filesystem-dev, libboost-date-time-dev, libfreeimage-dev, libfreetype6-dev, libcurl4-openssl-dev, libasound2-dev, libgl1-mesa-dev")
 
 SET(CPACK_PACKAGE_VENDOR "emulationstation.org")
 SET(CPACK_PACKAGE_VERSION "2.0.0~rc1")

es-app/src/SystemScreenSaver.cpp

@@ -209,20 +209,20 @@ void SystemScreenSaver::renderScreenSaver()
 	if (mVideoScreensaver && screensaver_behavior == "random video")
 	{
 		// Render black background
-		Renderer::setMatrix(Eigen::Affine3f::Identity());
+		Renderer::setMatrix(Transform4x4f::Identity());
 		Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), (unsigned char)(255));
 
 		// Only render the video if the state requires it
 		if ((int)mState >= STATE_FADE_IN_VIDEO)
 		{
-			Eigen::Affine3f transform = Eigen::Affine3f::Identity();
+			Transform4x4f transform = Transform4x4f::Identity();
 			mVideoScreensaver->render(transform);
 		}
 	}
 	else if (mImageScreensaver && screensaver_behavior == "slideshow")
 	{
 		// Render black background
-		Renderer::setMatrix(Eigen::Affine3f::Identity());
+		Renderer::setMatrix(Transform4x4f::Identity());
 		Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), (unsigned char)(255));
 
 		// Only render the video if the state requires it
@@ -232,7 +232,7 @@ void SystemScreenSaver::renderScreenSaver()
 			{
 				mImageScreensaver->setOpacity(255- (unsigned char) (mOpacity * 255));
 
-				Eigen::Affine3f transform = Eigen::Affine3f::Identity();
+				Transform4x4f transform = Transform4x4f::Identity();
 				mImageScreensaver->render(transform);
 			}
 		}
@@ -248,7 +248,7 @@ void SystemScreenSaver::renderScreenSaver()
 	}
 	else if (mState != STATE_INACTIVE)
 	{
-		Renderer::setMatrix(Eigen::Affine3f::Identity());
+		Renderer::setMatrix(Transform4x4f::Identity());
 		unsigned char opacity = screensaver_behavior == "dim" ? 0xA0 : 0xFF;
 		Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), 0x00000000 | opacity);
 	}

es-app/src/animations/LaunchAnimation.h

@@ -2,6 +2,7 @@
 
 #include "animations/Animation.h"
 #include "Log.h"
+#include "math/Scale3x3f.h"
 
 // let's look at the game launch effect:
 // -move camera to center on point P (interpolation method: linear)
@@ -31,34 +32,34 @@ class LaunchAnimation : public Animation
 {
 public:
 	//Target is a centerpoint
-	LaunchAnimation(Eigen::Affine3f& camera, float& fade, const Eigen::Vector3f& target, int duration) : 
+	LaunchAnimation(Transform4x4f& camera, float& fade, const Vector3f& target, int duration) : 
 	  mCameraStart(camera), mTarget(target), mDuration(duration), cameraOut(camera), fadeOut(fade) {}
 
 	int getDuration() const override { return mDuration; }
 
 	void apply(float t) override
 	{
-		cameraOut = Eigen::Affine3f::Identity();
+		cameraOut = Transform4x4f::Identity();
 
 		float zoom = lerp<float>(1.0, 4.25f, t*t);
-		cameraOut.scale(Eigen::Vector3f(zoom, zoom, 1));
+		cameraOut *= Scale3x3f(Vector3f(zoom, zoom, 1));
 
 		const float sw = (float)Renderer::getScreenWidth() / zoom;
 		const float sh = (float)Renderer::getScreenHeight() / zoom;
 
-		Eigen::Vector3f centerPoint = lerp<Eigen::Vector3f>(-mCameraStart.translation() + Eigen::Vector3f(Renderer::getScreenWidth() / 2.0f, Renderer::getScreenHeight() / 2.0f, 0), 
+		Vector3f centerPoint = lerp<Vector3f>(-mCameraStart.translation() + Vector3f(Renderer::getScreenWidth() / 2.0f, Renderer::getScreenHeight() / 2.0f, 0), 
 			mTarget, smoothStep(0.0, 1.0, t));
 
-		cameraOut.translate(Eigen::Vector3f((sw / 2) - centerPoint.x(), (sh / 2) - centerPoint.y(), 0));
+		cameraOut.translate(Vector3f((sw / 2) - centerPoint.x(), (sh / 2) - centerPoint.y(), 0));
 		
 		fadeOut = lerp<float>(0.0, 1.0, t*t);
 	}
 
 private:
-	Eigen::Affine3f mCameraStart;
+	Transform4x4f mCameraStart;
-	Eigen::Vector3f mTarget;
+	Vector3f mTarget;
 	int mDuration;
 
-	Eigen::Affine3f& cameraOut;
+	Transform4x4f& cameraOut;
 	float& fadeOut;
 };

es-app/src/animations/MoveCameraAnimation.h

@@ -5,7 +5,7 @@
 class MoveCameraAnimation : public Animation
 {
 public:
-	MoveCameraAnimation(Eigen::Affine3f& camera, const Eigen::Vector3f& target) : mCameraStart(camera), mTarget(target), cameraOut(camera) {}
+	MoveCameraAnimation(Transform4x4f& camera, const Vector3f& target) : mCameraStart(camera), mTarget(target), cameraOut(camera) {}
 
 	int getDuration() const override { return 400; }
 
@@ -13,12 +13,12 @@ public:
 	{
 		// cubic ease out
 		t -= 1;
-		cameraOut.translation() = -lerp<Eigen::Vector3f>(-mCameraStart.translation(), mTarget, t*t*t + 1);
+		cameraOut.translation() = -lerp<Vector3f>(-mCameraStart.translation(), mTarget, t*t*t + 1);
 	}
 
 private:
-	Eigen::Affine3f mCameraStart;
+	Transform4x4f mCameraStart;
-	Eigen::Vector3f mTarget;
+	Vector3f mTarget;
 
-	Eigen::Affine3f& cameraOut;
+	Transform4x4f& cameraOut;
 };

es-app/src/components/AsyncReqComponent.cpp

@@ -33,13 +33,13 @@ void AsyncReqComponent::update(int deltaTime)
 	mTime += deltaTime;
 }
 
-void AsyncReqComponent::render(const Eigen::Affine3f& parentTrans)
+void AsyncReqComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = Eigen::Affine3f::Identity();
+	Transform4x4f trans = Transform4x4f::Identity();
-	trans = trans.translate(Eigen::Vector3f(Renderer::getScreenWidth() / 2.0f, Renderer::getScreenHeight() / 2.0f, 0));
+	trans = trans.translate(Vector3f(Renderer::getScreenWidth() / 2.0f, Renderer::getScreenHeight() / 2.0f, 0));
 	Renderer::setMatrix(trans);
 
-	Eigen::Vector3f point(cos(mTime * 0.01f) * 12, sin(mTime * 0.01f) * 12, 0);
+	Vector3f point(cos(mTime * 0.01f) * 12, sin(mTime * 0.01f) * 12, 0);
 	Renderer::drawRect((int)point.x(), (int)point.y(), 8, 8, 0x0000FFFF);
 }
 

es-app/src/components/AsyncReqComponent.h

@@ -33,7 +33,7 @@ public:
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	virtual std::vector<HelpPrompt> getHelpPrompts() override;
 private:

es-app/src/components/RatingComponent.cpp

@@ -8,7 +8,7 @@ RatingComponent::RatingComponent(Window* window) : GuiComponent(window), mColorS
 	mFilledTexture = TextureResource::get(":/star_filled.svg", true);
 	mUnfilledTexture = TextureResource::get(":/star_unfilled.svg", true);
 	mValue = 0.5f;
-	mSize << 64 * NUM_RATING_STARS, 64;
+	mSize = Vector2f(64 * NUM_RATING_STARS, 64);
 	updateVertices();
 	updateColors();
 }
@@ -81,26 +81,26 @@ void RatingComponent::updateVertices()
 	const float w = round(h * mValue * numStars);
 	const float fw = round(h * numStars);
 
-	mVertices[0].pos << 0.0f, 0.0f;
+	mVertices[0].pos = Vector2f(0.0f, 0.0f);
-		mVertices[0].tex << 0.0f, 1.0f;
+	mVertices[0].tex = Vector2f(0.0f, 1.0f);
-	mVertices[1].pos << w, h;
+	mVertices[1].pos = Vector2f(w, h);
-		mVertices[1].tex << mValue * numStars, 0.0f;
+	mVertices[1].tex = Vector2f(mValue * numStars, 0.0f);
-	mVertices[2].pos << 0.0f, h;
+	mVertices[2].pos = Vector2f(0.0f, h);
-		mVertices[2].tex << 0.0f, 0.0f;
+	mVertices[2].tex = Vector2f(0.0f, 0.0f);
 
 	mVertices[3] = mVertices[0];
-	mVertices[4].pos << w, 0.0f;
+	mVertices[4].pos = Vector2f(w, 0.0f);
-		mVertices[4].tex << mValue * numStars, 1.0f;
+	mVertices[4].tex = Vector2f(mValue * numStars, 1.0f);
 	mVertices[5] = mVertices[1];
 
 	mVertices[6] = mVertices[4];
-	mVertices[7].pos << fw, h;
+	mVertices[7].pos = Vector2f(fw, h);
-		mVertices[7].tex << numStars, 0.0f;
+	mVertices[7].tex = Vector2f(numStars, 0.0f);
 	mVertices[8] = mVertices[1];
 
 	mVertices[9] = mVertices[6];
-	mVertices[10].pos << fw, 0.0f;
+	mVertices[10].pos = Vector2f(fw, 0.0f);
-		mVertices[10].tex << numStars, 1.0f;
+	mVertices[10].tex = Vector2f(numStars, 1.0f);
 	mVertices[11] = mVertices[7];
 }
 
@@ -109,9 +109,10 @@ void RatingComponent::updateColors()
 	Renderer::buildGLColorArray(mColors, mColorShift, 12);
 }
 
-void RatingComponent::render(const Eigen::Affine3f& parentTrans)
+void RatingComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = roundMatrix(parentTrans * getTransform());
+	Transform4x4f trans = parentTrans * getTransform();
+	trans.round();
 	Renderer::setMatrix(trans);
 
 	glEnable(GL_TEXTURE_2D);

es-app/src/components/RatingComponent.h

@@ -19,7 +19,7 @@ public:
 	void setValue(const std::string& value) override; // Should be a normalized float (in the range [0..1]) - if it's not, it will be clamped.
 
 	bool input(InputConfig* config, Input input) override;
-	void render(const Eigen::Affine3f& parentTrans);
+	void render(const Transform4x4f& parentTrans);
 
 	void onSizeChanged() override;
 
@@ -40,8 +40,8 @@ private:
 
 	struct Vertex
 	{
-		Eigen::Vector2f pos;
+		Vector2f pos;
-		Eigen::Vector2f tex;
+		Vector2f tex;
 	} mVertices[12];
 
 

es-app/src/components/ScraperSearchComponent.cpp

@@ -15,15 +15,13 @@
 #include "guis/GuiTextEditPopup.h"
 
 ScraperSearchComponent::ScraperSearchComponent(Window* window, SearchType type) : GuiComponent(window),
-	mGrid(window, Eigen::Vector2i(4, 3)), mBusyAnim(window), 
+	mGrid(window, Vector2i(4, 3)), mBusyAnim(window), 
 	mSearchType(type)
 {
 	addChild(&mGrid);
 
 	mBlockAccept = false;
 
-	using namespace Eigen;
-
 	// left spacer (empty component, needed for borders)
 	mGrid.setEntry(std::make_shared<GuiComponent>(mWindow), Vector2i(0, 0), false, false, Vector2i(1, 3), GridFlags::BORDER_TOP | GridFlags::BORDER_BOTTOM);
 
@@ -171,8 +169,6 @@ void ScraperSearchComponent::resizeMetadata()
 
 void ScraperSearchComponent::updateViewStyle()
 {
-	using namespace Eigen;
-
 	// unlink description and result list and result name
 	mGrid.removeEntry(mResultName);
 	mGrid.removeEntry(mResultDesc);
@@ -345,9 +341,9 @@ bool ScraperSearchComponent::input(InputConfig* config, Input input)
 	return GuiComponent::input(config, input);
 }
 
-void ScraperSearchComponent::render(const Eigen::Affine3f& parentTrans)
+void ScraperSearchComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 
 	renderChildren(trans);
 

es-app/src/components/ScraperSearchComponent.h

@@ -39,7 +39,7 @@ public:
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 	std::vector<HelpPrompt> getHelpPrompts() override;
 	void onSizeChanged() override;	
 	void onFocusGained() override;

es-app/src/components/TextListComponent.h

@@ -42,7 +42,7 @@ public:
 	
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 	void applyTheme(const std::shared_ptr<ThemeData>& theme, const std::string& view, const std::string& element, unsigned int properties) override;
 
 	void add(const std::string& name, const T& obj, unsigned int colorId);
@@ -132,9 +132,9 @@ TextListComponent<T>::TextListComponent(Window* window) :
 }
 
 template <typename T>
-void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
+void TextListComponent<T>::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 	
 	std::shared_ptr<Font>& font = mFont;
 
@@ -176,10 +176,10 @@ void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
 	}
 
 	// clip to inside margins
-	Eigen::Vector3f dim(mSize.x(), mSize.y(), 0);
+	Vector3f dim(mSize.x(), mSize.y(), 0);
 	dim = trans * dim - trans.translation();
-	Renderer::pushClipRect(Eigen::Vector2i((int)(trans.translation().x() + mHorizontalMargin), (int)trans.translation().y()), 
+	Renderer::pushClipRect(Vector2i((int)(trans.translation().x() + mHorizontalMargin), (int)trans.translation().y()), 
-		Eigen::Vector2i((int)(dim.x() - mHorizontalMargin*2), (int)dim.y()));
+		Vector2i((int)(dim.x() - mHorizontalMargin*2), (int)dim.y()));
 
 	for(int i = startEntry; i < listCutoff; i++)
 	{
@@ -196,7 +196,7 @@ void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
 
 		entry.data.textCache->setColor(color);
 
-		Eigen::Vector3f offset(0, y, 0);
+		Vector3f offset(0, y, 0);
 
 		switch(mAlignment)
 		{
@@ -219,7 +219,7 @@ void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
 		if(mCursor == i)
 			offset[0] -= mMarqueeOffset;
 		
-		Eigen::Affine3f drawTrans = trans;
+		Transform4x4f drawTrans = trans;
 		drawTrans.translate(offset);
 		Renderer::setMatrix(drawTrans);
 
@@ -285,7 +285,7 @@ void TextListComponent<T>::update(int deltaTime)
 		//if we're not scrolling and this object's text goes outside our size, marquee it!
 		const std::string& text = mEntries.at((unsigned int)mCursor).name;
 
-		Eigen::Vector2f textSize = mFont->sizeText(text);
+		Vector2f textSize = mFont->sizeText(text);
 
 		//it's long enough to marquee
 		if(textSize.x() - mMarqueeOffset > mSize.x() - 12 - mHorizontalMargin * 2)

es-app/src/guis/GuiGameScraper.cpp

@@ -10,7 +10,7 @@
 #include "Settings.h"
 
 GuiGameScraper::GuiGameScraper(Window* window, ScraperSearchParams params, std::function<void(const ScraperSearchResult&)> doneFunc) : GuiComponent(window),
-	mGrid(window, Eigen::Vector2i(1, 7)),
+	mGrid(window, Vector2i(1, 7)),
 	mBox(window, ":/frame.png"),
 	mSearchParams(params),
 	mClose(false)
@@ -23,19 +23,19 @@ GuiGameScraper::GuiGameScraper(Window* window, ScraperSearchParams params, std::
 
 	mGameName = std::make_shared<TextComponent>(mWindow, strToUpper(mSearchParams.game->getPath().filename().generic_string()),
 		Font::get(FONT_SIZE_MEDIUM), 0x777777FF, ALIGN_CENTER);
-	mGrid.setEntry(mGameName, Eigen::Vector2i(0, 1), false, true);
+	mGrid.setEntry(mGameName, Vector2i(0, 1), false, true);
 
 	// row 2 is a spacer
 
 	mSystemName = std::make_shared<TextComponent>(mWindow, strToUpper(mSearchParams.system->getFullName()), Font::get(FONT_SIZE_SMALL),
 		0x888888FF, ALIGN_CENTER);
-	mGrid.setEntry(mSystemName, Eigen::Vector2i(0, 3), false, true);
+	mGrid.setEntry(mSystemName, Vector2i(0, 3), false, true);
 
 	// row 4 is a spacer
 
 	// ScraperSearchComponent
 	mSearch = std::make_shared<ScraperSearchComponent>(window, ScraperSearchComponent::NEVER_AUTO_ACCEPT);
-	mGrid.setEntry(mSearch, Eigen::Vector2i(0, 5), true);
+	mGrid.setEntry(mSearch, Vector2i(0, 5), true);
 
 	// buttons
 	std::vector< std::shared_ptr<ButtonComponent> > buttons;
@@ -47,7 +47,7 @@ GuiGameScraper::GuiGameScraper(Window* window, ScraperSearchParams params, std::
 	buttons.push_back(std::make_shared<ButtonComponent>(mWindow, "CANCEL", "cancel", [&] { delete this; }));
 	mButtonGrid = makeButtonGrid(mWindow, buttons);
 
-	mGrid.setEntry(mButtonGrid, Eigen::Vector2i(0, 6), true, false);
+	mGrid.setEntry(mButtonGrid, Vector2i(0, 6), true, false);
 
 	// we call this->close() instead of just delete this; in the accept callback:
 	// this is because of how GuiComponent::update works.  if it was just delete this, this would happen when the metadata resolver is done:
@@ -83,7 +83,7 @@ GuiGameScraper::GuiGameScraper(Window* window, ScraperSearchParams params, std::
 
 void GuiGameScraper::onSizeChanged()
 {
-	mBox.fitTo(mSize, Eigen::Vector3f::Zero(), Eigen::Vector2f(-32, -32));
+	mBox.fitTo(mSize, Vector3f::Zero(), Vector2f(-32, -32));
 
 	mGrid.setRowHeightPerc(0, 0.04f, false);
 	mGrid.setRowHeightPerc(1, mGameName->getFont()->getLetterHeight() / mSize.y(), false); // game name

es-app/src/guis/GuiInfoPopup.cpp

@@ -43,15 +43,15 @@ GuiInfoPopup::GuiInfoPopup(Window* window, std::string message, int duration) :
 	setPosition(posX, posY, 0);
 
 	mFrame->setImagePath(":/frame.png");
-	mFrame->fitTo(mSize, Eigen::Vector3f::Zero(), Eigen::Vector2f(-32, -32));
+	mFrame->fitTo(mSize, Vector3f::Zero(), Vector2f(-32, -32));
 	addChild(mFrame);
 
 	// we only init the actual time when we first start to render
 	mStartTime = 0;
 
-	mGrid = new ComponentGrid(window, Eigen::Vector2i(1, 3));
+	mGrid = new ComponentGrid(window, Vector2i(1, 3));
 	mGrid->setSize(mSize);
-	mGrid->setEntry(s, Eigen::Vector2i(0, 1), false, true);
+	mGrid->setEntry(s, Vector2i(0, 1), false, true);
 	addChild(mGrid);
 }
 
@@ -60,10 +60,10 @@ GuiInfoPopup::~GuiInfoPopup()
 
 }
 
-void GuiInfoPopup::render(const Eigen::Affine3f& parentTrans)
+void GuiInfoPopup::render(const Transform4x4f& parentTrans)
 {
 	// we use identity as we want to render on a specific window position, not on the view
-	Eigen::Affine3f trans = getTransform() * Eigen::Affine3f::Identity();
+	Transform4x4f trans = getTransform() * Transform4x4f::Identity();
 	if(running && updateState())
 	{
 		// if we're still supposed to be rendering it

es-app/src/guis/GuiInfoPopup.h

@@ -13,7 +13,7 @@ class GuiInfoPopup : public GuiComponent, public Window::InfoPopup
 public:
 	GuiInfoPopup(Window* window, std::string message, int duration);
 	~GuiInfoPopup();
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 	inline void stop() { running = false; };
 private:
 	std::string mMessage;

es-app/src/guis/GuiMetaDataEd.cpp

@@ -14,8 +14,6 @@
 #include "components/SwitchComponent.h"
 #include "guis/GuiTextEditPopup.h"
 
-using namespace Eigen;
-
 GuiMetaDataEd::GuiMetaDataEd(Window* window, MetaDataList* md, const std::vector<MetaDataDecl>& mdd, ScraperSearchParams scraperParams,
 	const std::string& header, std::function<void()> saveCallback, std::function<void()> deleteFunc) : GuiComponent(window),
 	mScraperParams(scraperParams),
@@ -115,7 +113,7 @@ GuiMetaDataEd::GuiMetaDataEd(Window* window, MetaDataList* md, const std::vector
 
 				auto bracket = std::make_shared<ImageComponent>(mWindow);
 				bracket->setImage(":/arrow.svg");
-				bracket->setResize(Eigen::Vector2f(0, lbl->getFont()->getLetterHeight()));
+				bracket->setResize(Vector2f(0, lbl->getFont()->getLetterHeight()));
 				row.addElement(bracket, false);
 
 				bool multiLine = iter->type == MD_MULTILINE_STRING;

es-app/src/guis/GuiScraperMulti.cpp

@@ -11,8 +11,6 @@
 #include "components/MenuComponent.h" // for makeButtonGrid
 #include "guis/GuiMsgBox.h"
 
-using namespace Eigen;
-
 GuiScraperMulti::GuiScraperMulti(Window* window, const std::queue<ScraperSearchParams>& searches, bool approveResults) :
 	GuiComponent(window), mBackground(window, ":/frame.png"), mGrid(window, Vector2i(1, 5)),
 	mSearchQueue(searches)

es-app/src/guis/GuiSlideshowScreensaverOptions.cpp

@@ -101,7 +101,7 @@ void GuiSlideshowScreensaverOptions::addEditableTextComponent(ComponentListRow r
 
 	auto bracket = std::make_shared<ImageComponent>(mWindow);
 	bracket->setImage(":/arrow.svg");
-	bracket->setResize(Eigen::Vector2f(0, lbl->getFont()->getLetterHeight()));
+	bracket->setResize(Vector2f(0, lbl->getFont()->getLetterHeight()));
 	row.addElement(bracket, false);
 
 	auto updateVal = [ed](const std::string& newVal) { ed->setValue(newVal); }; // ok callback (apply new value to ed)

es-app/src/views/SystemView.cpp

@@ -92,7 +92,7 @@ void SystemView::populate()
 				e.data.logo->setOrigin(0.5, 0.5);
 		}
 
-		Eigen::Vector2f denormalized = mCarousel.logoSize.cwiseProduct(e.data.logo->getOrigin());
+		Vector2f denormalized = mCarousel.logoSize * e.data.logo->getOrigin();
 		e.data.logo->setPosition(denormalized.x(), denormalized.y(), 0.0);
 
 		// delete any existing extras
@@ -326,12 +326,12 @@ void SystemView::onCursorChanged(const CursorState& state)
 	setAnimation(anim, 0, nullptr, false, 0);
 }
 
-void SystemView::render(const Eigen::Affine3f& parentTrans)
+void SystemView::render(const Transform4x4f& parentTrans)
 {
 	if(size() == 0)
 		return;  // nothing to render
 
-	Eigen::Affine3f trans = getTransform() * parentTrans;
+	Transform4x4f trans = getTransform() * parentTrans;
 
 	auto systemInfoZIndex = mSystemInfo.getZIndex();
 	auto minMax = std::minmax(mCarousel.zIndex, systemInfoZIndex);
@@ -408,21 +408,21 @@ void  SystemView::getViewElements(const std::shared_ptr<ThemeData>& theme)
 }
 
 //  Render system carousel
-void SystemView::renderCarousel(const Eigen::Affine3f& trans)
+void SystemView::renderCarousel(const Transform4x4f& trans)
 {
 	// background box behind logos
-	Eigen::Affine3f carouselTrans = trans;
+	Transform4x4f carouselTrans = trans;
-	carouselTrans.translate(Eigen::Vector3f(mCarousel.pos.x(), mCarousel.pos.y(), 0.0));
+	carouselTrans.translate(Vector3f(mCarousel.pos.x(), mCarousel.pos.y(), 0.0));
-	carouselTrans.translate(Eigen::Vector3f(mCarousel.origin.x() * mCarousel.size.x() * -1, mCarousel.origin.y() * mCarousel.size.y() * -1, 0.0f));
+	carouselTrans.translate(Vector3f(mCarousel.origin.x() * mCarousel.size.x() * -1, mCarousel.origin.y() * mCarousel.size.y() * -1, 0.0f));
 
-	Eigen::Vector2f clipPos(carouselTrans.translation().x(), carouselTrans.translation().y());
+	Vector2f clipPos(carouselTrans.translation().x(), carouselTrans.translation().y());
-	Renderer::pushClipRect(clipPos.cast<int>(), mCarousel.size.cast<int>());
+	Renderer::pushClipRect(Vector2i((int)clipPos.x(), (int)clipPos.y()), Vector2i((int)mCarousel.size.x(), (int)mCarousel.size.y()));
 
 	Renderer::setMatrix(carouselTrans);
 	Renderer::drawRect(0.0, 0.0, mCarousel.size.x(), mCarousel.size.y(), mCarousel.color);
 
 	// draw logos
-	Eigen::Vector2f logoSpacing(0.0, 0.0); // NB: logoSpacing will include the size of the logo itself as well!
+	Vector2f logoSpacing(0.0, 0.0); // NB: logoSpacing will include the size of the logo itself as well!
 	float xOff = 0.0;
 	float yOff = 0.0;
 
@@ -483,8 +483,8 @@ void SystemView::renderCarousel(const Eigen::Affine3f& trans)
 		while (index >= (int)mEntries.size())
 			index -= mEntries.size();
 
-		Eigen::Affine3f logoTrans = carouselTrans;
+		Transform4x4f logoTrans = carouselTrans;
-		logoTrans.translate(Eigen::Vector3f(i * logoSpacing[0] + xOff, i * logoSpacing[1] + yOff, 0));
+		logoTrans.translate(Vector3f(i * logoSpacing[0] + xOff, i * logoSpacing[1] + yOff, 0));
 
 		float distance = i - mCamOffset;
 
@@ -507,21 +507,21 @@ void SystemView::renderCarousel(const Eigen::Affine3f& trans)
 	Renderer::popClipRect();
 }
 
-void SystemView::renderInfoBar(const Eigen::Affine3f& trans)
+void SystemView::renderInfoBar(const Transform4x4f& trans)
 {
 	Renderer::setMatrix(trans);
 	mSystemInfo.render(trans);
 }
 
 // Draw background extras
-void SystemView::renderExtras(const Eigen::Affine3f& trans, float lower, float upper)
+void SystemView::renderExtras(const Transform4x4f& trans, float lower, float upper)
 {
 	int extrasCenter = (int)mExtrasCamOffset;
 
 	// Adding texture loading buffers depending on scrolling speed and status
 	int bufferIndex = getScrollingVelocity() + 1;
 
-	Renderer::pushClipRect(Eigen::Vector2i::Zero(), mSize.cast<int>());
+	Renderer::pushClipRect(Vector2i::Zero(), Vector2i((int)mSize.x(), (int)mSize.y()));
 
 	for (int i = extrasCenter + logoBuffersLeft[bufferIndex]; i <= extrasCenter + logoBuffersRight[bufferIndex]; i++)
 	{
@@ -534,14 +534,14 @@ void SystemView::renderExtras(const Eigen::Affine3f& trans, float lower, float u
 		//Only render selected system when not showing
 		if (mShowing || index == mCursor)
 		{
-			Eigen::Affine3f extrasTrans = trans;
+			Transform4x4f extrasTrans = trans;
 			if (mCarousel.type == HORIZONTAL)
-				extrasTrans.translate(Eigen::Vector3f((i - mExtrasCamOffset) * mSize.x(), 0, 0));
+				extrasTrans.translate(Vector3f((i - mExtrasCamOffset) * mSize.x(), 0, 0));
 			else
-				extrasTrans.translate(Eigen::Vector3f(0, (i - mExtrasCamOffset) * mSize.y(), 0));
+				extrasTrans.translate(Vector3f(0, (i - mExtrasCamOffset) * mSize.y(), 0));
 
-			Renderer::pushClipRect(Eigen::Vector2i(extrasTrans.translation()[0], extrasTrans.translation()[1]),
+			Renderer::pushClipRect(Vector2i((int)extrasTrans.translation()[0], (int)extrasTrans.translation()[1]),
-								   mSize.cast<int>());
+								   Vector2i((int)mSize.x(), (int)mSize.y()));
 			SystemViewData data = mEntries.at(index).data;
 			for (unsigned int j = 0; j < data.backgroundExtras.size(); j++) {
 				GuiComponent *extra = data.backgroundExtras[j];
@@ -555,7 +555,7 @@ void SystemView::renderExtras(const Eigen::Affine3f& trans, float lower, float u
 	Renderer::popClipRect();
 }
 
-void SystemView::renderFade(const Eigen::Affine3f& trans)
+void SystemView::renderFade(const Transform4x4f& trans)
 {
 	// fade extras if necessary
 	if (mExtrasFadeOpacity)
@@ -610,17 +610,17 @@ void SystemView::getCarouselFromTheme(const ThemeData::ThemeElement* elem)
 			mCarousel.type = HORIZONTAL;
 	}
 	if (elem->has("size"))
-		mCarousel.size = elem->get<Eigen::Vector2f>("size").cwiseProduct(mSize);
+		mCarousel.size = elem->get<Vector2f>("size") * mSize;
 	if (elem->has("pos"))
-		mCarousel.pos = elem->get<Eigen::Vector2f>("pos").cwiseProduct(mSize);
+		mCarousel.pos = elem->get<Vector2f>("pos") * mSize;
 	if (elem->has("origin"))
-		mCarousel.origin = elem->get<Eigen::Vector2f>("origin");
+		mCarousel.origin = elem->get<Vector2f>("origin");
 	if (elem->has("color"))
 		mCarousel.color = elem->get<unsigned int>("color");
 	if (elem->has("logoScale"))
 		mCarousel.logoScale = elem->get<float>("logoScale");
 	if (elem->has("logoSize"))
-		mCarousel.logoSize = elem->get<Eigen::Vector2f>("logoSize").cwiseProduct(mSize);
+		mCarousel.logoSize = elem->get<Vector2f>("logoSize") * mSize;
 	if (elem->has("maxLogoCount"))
 		mCarousel.maxLogoCount = (int) std::round(elem->get<float>("maxLogoCount"));
 	if (elem->has("zIndex"))
@@ -628,7 +628,7 @@ void SystemView::getCarouselFromTheme(const ThemeData::ThemeElement* elem)
 	if (elem->has("logoRotation"))
 		mCarousel.logoRotation = elem->get<float>("logoRotation");
     if (elem->has("logoRotationOrigin"))
-		mCarousel.logoRotationOrigin = elem->get<Eigen::Vector2f>("logoRotationOrigin");
+		mCarousel.logoRotationOrigin = elem->get<Vector2f>("logoRotationOrigin");
 	if (elem->has("logoAlignment"))
 	{
 		if (!(elem->get<std::string>("logoAlignment").compare("left")))

es-app/src/views/SystemView.h

@@ -26,16 +26,16 @@ struct SystemViewData
 struct SystemViewCarousel
 {
 	CarouselType type;
-	Eigen::Vector2f pos;
+	Vector2f pos;
-	Eigen::Vector2f size;
+	Vector2f size;
-	Eigen::Vector2f origin;
+	Vector2f origin;
 	float logoScale;
 	float logoRotation;
-	Eigen::Vector2f logoRotationOrigin;
+	Vector2f logoRotationOrigin;
 	Alignment logoAlignment;
 	unsigned int color;
 	int maxLogoCount; // number of logos shown on the carousel
-	Eigen::Vector2f logoSize;
+	Vector2f logoSize;
 	float zIndex;
 };
 
@@ -51,7 +51,7 @@ public:
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	void onThemeChanged(const std::shared_ptr<ThemeData>& theme);
 
@@ -67,10 +67,10 @@ private:
 	void getDefaultElements(void);
 	void getCarouselFromTheme(const ThemeData::ThemeElement* elem);
 
-	void renderCarousel(const Eigen::Affine3f& parentTrans);
+	void renderCarousel(const Transform4x4f& parentTrans);
-	void renderExtras(const Eigen::Affine3f& parentTrans, float lower, float upper);
+	void renderExtras(const Transform4x4f& parentTrans, float lower, float upper);
-	void renderInfoBar(const Eigen::Affine3f& trans);
+	void renderInfoBar(const Transform4x4f& trans);
-	void renderFade(const Eigen::Affine3f& trans);
+	void renderFade(const Transform4x4f& trans);
 
 
 	SystemViewCarousel mCarousel;

es-app/src/views/ViewController.cpp

@@ -30,7 +30,7 @@ void ViewController::init(Window* window)
 }
 
 ViewController::ViewController(Window* window)
-	: GuiComponent(window), mCurrentView(nullptr), mCamera(Eigen::Affine3f::Identity()), mFadeOpacity(0), mLockInput(false)
+	: GuiComponent(window), mCurrentView(nullptr), mCamera(Transform4x4f::Identity()), mFadeOpacity(0), mLockInput(false)
 {
 	mState.viewing = NOTHING;
 	mCurUIMode = Settings::getInstance()->getString("UIMode");
@@ -133,7 +133,7 @@ void ViewController::goToGameList(SystemData* system)
 
 void ViewController::playViewTransition()
 {
-	Eigen::Vector3f target(Eigen::Vector3f::Identity());
+	Vector3f target(Vector3f::Zero());
 	if(mCurrentView)
 		target = mCurrentView->getPosition();
 
@@ -192,7 +192,7 @@ void ViewController::onFileChanged(FileData* file, FileChangeType change)
 		it->second->onFileChanged(file, change);
 }
 
-void ViewController::launch(FileData* game, Eigen::Vector3f center)
+void ViewController::launch(FileData* game, Vector3f center)
 {
 	if(game->getType() != GAME)
 	{
@@ -204,7 +204,7 @@ void ViewController::launch(FileData* game, Eigen::Vector3f center)
 	if (mCurrentView)
 		mCurrentView->onHide();
 
-	Eigen::Affine3f origCamera = mCamera;
+	Transform4x4f origCamera = mCamera;
 	origCamera.translation() = -mCurrentView->getPosition();
 
 	center += mCurrentView->getPosition();
@@ -369,13 +369,14 @@ void ViewController::update(int deltaTime)
 	updateSelf(deltaTime);
 }
 
-void ViewController::render(const Eigen::Affine3f& parentTrans)
+void ViewController::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = mCamera * parentTrans;
+	Transform4x4f trans = mCamera * parentTrans;
+	Transform4x4f transInverse = trans.inverse();
 
 	// camera position, position + size
-	Eigen::Vector3f viewStart = trans.inverse().translation();
+	Vector3f viewStart = transInverse.translation();
-	Eigen::Vector3f viewEnd = trans.inverse() * Eigen::Vector3f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight(), 0);
+	Vector3f viewEnd = transInverse * Vector3f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight(), 0);
 
 	// Keep track of UI mode changes.
 	monitorUIMode();
@@ -387,8 +388,8 @@ void ViewController::render(const Eigen::Affine3f& parentTrans)
 	for(auto it = mGameListViews.begin(); it != mGameListViews.end(); it++)
 	{
 		// clipping
-		Eigen::Vector3f guiStart = it->second->getPosition();
+		Vector3f guiStart = it->second->getPosition();
-		Eigen::Vector3f guiEnd = it->second->getPosition() + Eigen::Vector3f(it->second->getSize().x(), it->second->getSize().y(), 0);
+		Vector3f guiEnd = it->second->getPosition() + Vector3f(it->second->getSize().x(), it->second->getSize().y(), 0);
 
 		if(guiEnd.x() >= viewStart.x() && guiEnd.y() >= viewStart.y() &&
 			guiStart.x() <= viewEnd.x() && guiStart.y() <= viewEnd.y())

es-app/src/views/ViewController.h

@@ -41,11 +41,11 @@ public:
 
 	// Plays a nice launch effect and launches the game at the end of it.
 	// Once the game terminates, plays a return effect.
-	void launch(FileData* game, Eigen::Vector3f centerCameraOn = Eigen::Vector3f(Renderer::getScreenWidth() / 2.0f, Renderer::getScreenHeight() / 2.0f, 0));
+	void launch(FileData* game, Vector3f centerCameraOn = Vector3f(Renderer::getScreenWidth() / 2.0f, Renderer::getScreenHeight() / 2.0f, 0));
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	enum ViewMode
 	{
@@ -95,7 +95,7 @@ private:
 	std::map< SystemData*, std::shared_ptr<IGameListView> > mGameListViews;
 	std::shared_ptr<SystemView> mSystemListView;
 	
-	Eigen::Affine3f mCamera;
+	Transform4x4f mCamera;
 	float mFadeOpacity;
 	bool mLockInput;
 

es-app/src/views/gamelist/DetailedGameListView.cpp

@@ -116,8 +116,6 @@ void DetailedGameListView::onThemeChanged(const std::shared_ptr<ThemeData>& them
 
 void DetailedGameListView::initMDLabels()
 {
-	using namespace Eigen;
-
 	std::vector<TextComponent*> components = getMDLabels();
 
 	const unsigned int colCount = 2;
@@ -149,8 +147,6 @@ void DetailedGameListView::initMDLabels()
 
 void DetailedGameListView::initMDValues()
 {
-	using namespace Eigen;
-
 	std::vector<TextComponent*> labels = getMDLabels();
 	std::vector<GuiComponent*> values = getMDValues();
 
@@ -241,9 +237,9 @@ void DetailedGameListView::updateInfoPanel()
 
 void DetailedGameListView::launch(FileData* game)
 {
-	Eigen::Vector3f target(Renderer::getScreenWidth() / 2.0f, Renderer::getScreenHeight() / 2.0f, 0);
+	Vector3f target(Renderer::getScreenWidth() / 2.0f, Renderer::getScreenHeight() / 2.0f, 0);
 	if(mImage.hasImage())
-		target << mImage.getCenter().x(), mImage.getCenter().y(), 0;
+		target = Vector3f(mImage.getCenter().x(), mImage.getCenter().y(), 0);
 
 	ViewController::get()->launch(game, target);
 }

es-app/src/views/gamelist/IGameListView.cpp

@@ -42,15 +42,15 @@ HelpStyle IGameListView::getHelpStyle()
 	return style;
 }
 
-void IGameListView::render(const Eigen::Affine3f& parentTrans)
+void IGameListView::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 
-	float scaleX = trans.linear()(0,0);
+	float scaleX = trans[0];
-	float scaleY = trans.linear()(1,1);
+	float scaleY = trans[5];
 
-	Eigen::Vector2i pos(trans.translation()[0], trans.translation()[1]);
+	Vector2i pos(trans.translation()[0], trans.translation()[1]);
-	Eigen::Vector2i size(mSize.x() * scaleX, mSize.y() * scaleY);
+	Vector2i size(mSize.x() * scaleX, mSize.y() * scaleY);
 
 	Renderer::pushClipRect(pos, size);
 	renderChildren(trans);

es-app/src/views/gamelist/IGameListView.h

@@ -39,7 +39,7 @@ public:
 
 	virtual HelpStyle getHelpStyle() override;
 
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 protected:
 	FileData* mRoot;
 	std::shared_ptr<ThemeData> mTheme;

es-app/src/views/gamelist/VideoGameListView.cpp

@@ -154,8 +154,6 @@ void VideoGameListView::onThemeChanged(const std::shared_ptr<ThemeData>& theme)
 
 void VideoGameListView::initMDLabels()
 {
-	using namespace Eigen;
-
 	std::vector<TextComponent*> components = getMDLabels();
 
 	const unsigned int colCount = 2;
@@ -187,8 +185,6 @@ void VideoGameListView::initMDLabels()
 
 void VideoGameListView::initMDValues()
 {
-	using namespace Eigen;
-
 	std::vector<TextComponent*> labels = getMDLabels();
 	std::vector<GuiComponent*> values = getMDValues();
 
@@ -301,30 +297,30 @@ void VideoGameListView::launch(FileData* game)
 	float screenWidth = (float) Renderer::getScreenWidth();
 	float screenHeight = (float) Renderer::getScreenHeight();
 
-	Eigen::Vector3f target(screenWidth / 2.0f, screenHeight / 2.0f, 0);
+	Vector3f target(screenWidth / 2.0f, screenHeight / 2.0f, 0);
 
 	if(mMarquee.hasImage() &&
 		(mMarquee.getPosition().x() < screenWidth && mMarquee.getPosition().x() > 0.0f &&
 		 mMarquee.getPosition().y() < screenHeight && mMarquee.getPosition().y() > 0.0f))
 	{
-		target << mMarquee.getCenter().x(), mMarquee.getCenter().y(), 0;
+		target = Vector3f(mMarquee.getCenter().x(), mMarquee.getCenter().y(), 0);
 	}
 	else if(mImage.hasImage() &&
 		(mImage.getPosition().x() < screenWidth && mImage.getPosition().x() > 2.0f &&
 		 mImage.getPosition().y() < screenHeight && mImage.getPosition().y() > 2.0f))
 	{
-		target << mImage.getCenter().x(), mImage.getCenter().y(), 0;
+		target = Vector3f(mImage.getCenter().x(), mImage.getCenter().y(), 0);
 	}
 	else if(mHeaderImage.hasImage() &&
 		(mHeaderImage.getPosition().x() < screenWidth && mHeaderImage.getPosition().x() > 0.0f &&
 		 mHeaderImage.getPosition().y() < screenHeight && mHeaderImage.getPosition().y() > 0.0f))
 	{
-		target << mHeaderImage.getCenter().x(), mHeaderImage.getCenter().y(), 0;
+		target = Vector3f(mHeaderImage.getCenter().x(), mHeaderImage.getCenter().y(), 0);
 	}
 	else if(mVideo->getPosition().x() < screenWidth && mVideo->getPosition().x() > 0.0f &&
 		 mVideo->getPosition().y() < screenHeight && mVideo->getPosition().y() > 0.0f)
 	{
-		target << mVideo->getCenter().x(), mVideo->getCenter().y(), 0;
+		target = Vector3f(mVideo->getCenter().x(), mVideo->getCenter().y(), 0);
 	}
 
 	ViewController::get()->launch(game, target);

es-core/src/GuiComponent.cpp

@@ -4,10 +4,12 @@
 #include "Renderer.h"
 #include "animations/AnimationController.h"
 #include "ThemeData.h"
+#include "math/Rotation3x3f.h"
+#include "math/Scale3x3f.h"
 
 GuiComponent::GuiComponent(Window* window) : mWindow(window), mParent(NULL), mOpacity(255),
-	mPosition(Eigen::Vector3f::Zero()), mOrigin(Eigen::Vector2f::Zero()), mRotationOrigin(0.5, 0.5),
+	mPosition(Vector3f::Zero()), mOrigin(Vector2f::Zero()), mRotationOrigin(0.5, 0.5),
-	mSize(Eigen::Vector2f::Zero()), mTransform(Eigen::Affine3f::Identity()), mIsProcessing(false)
+	mSize(Vector2f::Zero()), mTransform(Transform4x4f::Identity()), mIsProcessing(false)
 {
 	for(unsigned char i = 0; i < MAX_ANIMATIONS; i++)
 		mAnimationMap[i] = NULL;
@@ -57,13 +59,13 @@ void GuiComponent::update(int deltaTime)
 	updateChildren(deltaTime);
 }
 
-void GuiComponent::render(const Eigen::Affine3f& parentTrans)
+void GuiComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 	renderChildren(trans);
 }
 
-void GuiComponent::renderChildren(const Eigen::Affine3f& transform) const
+void GuiComponent::renderChildren(const Transform4x4f& transform) const
 {
 	for(unsigned int i = 0; i < getChildCount(); i++)
 	{
@@ -71,46 +73,46 @@ void GuiComponent::renderChildren(const Eigen::Affine3f& transform) const
 	}
 }
 
-Eigen::Vector3f GuiComponent::getPosition() const
+Vector3f GuiComponent::getPosition() const
 {
 	return mPosition;
 }
 
 void GuiComponent::setPosition(float x, float y, float z)
 {
-	mPosition << x, y, z;
+	mPosition = Vector3f(x, y, z);
 	onPositionChanged();
 }
 
-Eigen::Vector2f GuiComponent::getOrigin() const
+Vector2f GuiComponent::getOrigin() const
 {
 	return mOrigin;
 }
 
 void GuiComponent::setOrigin(float x, float y)
 {
-	mOrigin << x, y;
+	mOrigin = Vector2f(x, y);
 	onOriginChanged();
 }
 
-Eigen::Vector2f GuiComponent::getRotationOrigin() const
+Vector2f GuiComponent::getRotationOrigin() const
 {
 	return mRotationOrigin;
 }
 
 void GuiComponent::setRotationOrigin(float x, float y)
 {
-	mRotationOrigin << x, y;;
+	mRotationOrigin = Vector2f(x, y);
 }
 
-Eigen::Vector2f GuiComponent::getSize() const
+Vector2f GuiComponent::getSize() const
 {
 	return mSize;
 }
 
 void GuiComponent::setSize(float w, float h)
 {
-	mSize << w, h;
+	mSize = Vector2f(w, h);
     onSizeChanged();
 }
 
@@ -154,10 +156,10 @@ void GuiComponent::setDefaultZIndex(float z)
 	mDefaultZIndex = z;
 }
 
-Eigen::Vector2f GuiComponent::getCenter() const
+Vector2f GuiComponent::getCenter() const
 {
-	return Eigen::Vector2f(mPosition.x() - (getSize().x() * mOrigin.x()) + getSize().x() / 2,
+	return Vector2f(mPosition.x() - (getSize().x() * mOrigin.x()) + getSize().x() / 2,
-						   mPosition.y() - (getSize().y() * mOrigin.y()) + getSize().y() / 2);
+	                mPosition.y() - (getSize().y() * mOrigin.y()) + getSize().y() / 2);
 }
 
 //Children stuff.
@@ -239,13 +241,13 @@ void GuiComponent::setOpacity(unsigned char opacity)
 	}
 }
 
-const Eigen::Affine3f& GuiComponent::getTransform()
+const Transform4x4f& GuiComponent::getTransform()
 {
-	mTransform.setIdentity();
+	mTransform = Transform4x4f::Identity();
 	mTransform.translate(mPosition);
 	if (mScale != 1.0)
 	{
-		mTransform *= Eigen::Scaling(mScale);
+		mTransform *= Scale3x3f(mScale);
 	}
 	if (mRotation != 0.0)
 	{
@@ -255,16 +257,16 @@ const Eigen::Affine3f& GuiComponent::getTransform()
 
 		// transform to offset point
 		if (xOff != 0.0 || yOff != 0.0)
-			mTransform.translate(Eigen::Vector3f(xOff * -1, yOff * -1, 0.0f));
+			mTransform.translate(Vector3f(xOff * -1, yOff * -1, 0.0f));
 
 		// apply rotation transorm
-		mTransform *= Eigen::AngleAxisf(mRotation, Eigen::Vector3f::UnitZ());
+		mTransform *= Rotation3x3f(mRotation, Vector3f::UnitZ());
 
 		// Tranform back to original point
 		if (xOff != 0.0 || yOff != 0.0)
-			mTransform.translate(Eigen::Vector3f(xOff, yOff, 0.0f));
+			mTransform.translate(Vector3f(xOff, yOff, 0.0f));
 	}
-	mTransform.translate(Eigen::Vector3f(mOrigin.x() * mSize.x() * -1, mOrigin.y() * mSize.y() * -1, 0.0f));
+	mTransform.translate(Vector3f(mOrigin.x() * mSize.x() * -1, mOrigin.y() * mSize.y() * -1, 0.0f));
 	return mTransform;
 }
 
@@ -389,7 +391,7 @@ int GuiComponent::getAnimationTime(unsigned char slot) const
 
 void GuiComponent::applyTheme(const std::shared_ptr<ThemeData>& theme, const std::string& view, const std::string& element, unsigned int properties)
 {
-	Eigen::Vector2f scale = getParent() ? getParent()->getSize() : Eigen::Vector2f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
+	Vector2f scale = getParent() ? getParent()->getSize() : Vector2f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
 
 	const ThemeData::ThemeElement* elem = theme->getElement(view, element, "");
 	if(!elem)
@@ -398,22 +400,22 @@ void GuiComponent::applyTheme(const std::shared_ptr<ThemeData>& theme, const std
 	using namespace ThemeFlags;
 	if(properties & POSITION && elem->has("pos"))
 	{
-		Eigen::Vector2f denormalized = elem->get<Eigen::Vector2f>("pos").cwiseProduct(scale);
+		Vector2f denormalized = elem->get<Vector2f>("pos") * scale;
-		setPosition(Eigen::Vector3f(denormalized.x(), denormalized.y(), 0));
+		setPosition(Vector3f(denormalized.x(), denormalized.y(), 0));
 	}
 
 	if(properties & ThemeFlags::SIZE && elem->has("size"))
-		setSize(elem->get<Eigen::Vector2f>("size").cwiseProduct(scale));
+		setSize(elem->get<Vector2f>("size") * scale);
 
 	// position + size also implies origin
 	if((properties & ORIGIN || (properties & POSITION && properties & ThemeFlags::SIZE)) && elem->has("origin"))
-		setOrigin(elem->get<Eigen::Vector2f>("origin"));
+		setOrigin(elem->get<Vector2f>("origin"));
 
 	if(properties & ThemeFlags::ROTATION) {
 		if(elem->has("rotation"))
 			setRotationDegrees(elem->get<float>("rotation"));
 		if(elem->has("rotationOrigin"))
-			setRotationOrigin(elem->get<Eigen::Vector2f>("rotationOrigin"));
+			setRotationOrigin(elem->get<Vector2f>("rotationOrigin"));
 	}
 
 	if(properties & ThemeFlags::Z_INDEX && elem->has("zIndex"))

es-core/src/GuiComponent.h

@@ -3,8 +3,9 @@
 #include "InputConfig.h"
 #include <memory>
 #include <string>
-#include <Eigen/Dense>
+#include <functional>
 #include "HelpStyle.h"
+#include "math/Transform4x4f.h"
 
 class Window;
 class Animation;
@@ -31,30 +32,30 @@ public:
 
 	//Called when it's time to render.  By default, just calls renderChildren(parentTrans * getTransform()).
 	//You probably want to override this like so:
-	//1. Calculate the new transform that your control will draw at with Eigen::Affine3f t = parentTrans * getTransform().
+	//1. Calculate the new transform that your control will draw at with Transform4x4f t = parentTrans * getTransform().
 	//2. Set the renderer to use that new transform as the model matrix - Renderer::setMatrix(t);
 	//3. Draw your component.
 	//4. Tell your children to render, based on your component's transform - renderChildren(t).
-	virtual void render(const Eigen::Affine3f& parentTrans);
+	virtual void render(const Transform4x4f& parentTrans);
 
-	Eigen::Vector3f getPosition() const;
+	Vector3f getPosition() const;
-	inline void setPosition(const Eigen::Vector3f& offset) { setPosition(offset.x(), offset.y(), offset.z()); }
+	inline void setPosition(const Vector3f& offset) { setPosition(offset.x(), offset.y(), offset.z()); }
 	void setPosition(float x, float y, float z = 0.0f);
 	virtual void onPositionChanged() {};
 
 	//Sets the origin as a percentage of this image (e.g. (0, 0) is top left, (0.5, 0.5) is the center)
-	Eigen::Vector2f getOrigin() const;
+	Vector2f getOrigin() const;
 	void setOrigin(float originX, float originY);
-	inline void setOrigin(Eigen::Vector2f origin) { setOrigin(origin.x(), origin.y()); }
+	inline void setOrigin(Vector2f origin) { setOrigin(origin.x(), origin.y()); }
 	virtual void onOriginChanged() {};
 
 	//Sets the rotation origin as a percentage of this image (e.g. (0, 0) is top left, (0.5, 0.5) is the center)
-	Eigen::Vector2f getRotationOrigin() const;
+	Vector2f getRotationOrigin() const;
 	void setRotationOrigin(float originX, float originY);
-	inline void setRotationOrigin(Eigen::Vector2f origin) { setRotationOrigin(origin.x(), origin.y()); }
+	inline void setRotationOrigin(Vector2f origin) { setRotationOrigin(origin.x(), origin.y()); }
 
-	Eigen::Vector2f getSize() const;
+	Vector2f getSize() const;
-    inline void setSize(const Eigen::Vector2f& size) { setSize(size.x(), size.y()); }
+    inline void setSize(const Vector2f& size) { setSize(size.x(), size.y()); }
     void setSize(float w, float h);
     virtual void onSizeChanged() {};
 
@@ -72,7 +73,7 @@ public:
     void setDefaultZIndex(float zIndex);
 
 	// Returns the center point of the image (takes origin into account).
-	Eigen::Vector2f getCenter() const;
+	Vector2f getCenter() const;
 
 	void setParent(GuiComponent* parent);
 	GuiComponent* getParent() const;
@@ -99,7 +100,7 @@ public:
 	virtual unsigned char getOpacity() const;
 	virtual void setOpacity(unsigned char opacity);
 
-	const Eigen::Affine3f& getTransform();
+	const Transform4x4f& getTransform();
 
 	virtual std::string getValue() const;
 	virtual void setValue(const std::string& value);
@@ -130,7 +131,7 @@ public:
 	bool isProcessing() const;
 
 protected:
-	void renderChildren(const Eigen::Affine3f& transform) const;
+	void renderChildren(const Transform4x4f& transform) const;
 	void updateSelf(int deltaTime); // updates animations
 	void updateChildren(int deltaTime); // updates animations
 
@@ -140,10 +141,10 @@ protected:
 	GuiComponent* mParent;
 	std::vector<GuiComponent*> mChildren;
 
-	Eigen::Vector3f mPosition;
+	Vector3f mPosition;
-	Eigen::Vector2f mOrigin;
+	Vector2f mOrigin;
-	Eigen::Vector2f mRotationOrigin;
+	Vector2f mRotationOrigin;
-	Eigen::Vector2f mSize;
+	Vector2f mSize;
 
 	float mRotation = 0.0;
 	float mScale = 1.0;
@@ -157,6 +158,6 @@ public:
 	const static unsigned char MAX_ANIMATIONS = 4;
 
 private:
-	Eigen::Affine3f mTransform; //Don't access this directly! Use getTransform()!
+	Transform4x4f mTransform; //Don't access this directly! Use getTransform()!
 	AnimationController* mAnimationMap[MAX_ANIMATIONS];
 };

es-core/src/HelpStyle.cpp

@@ -5,7 +5,7 @@
 
 HelpStyle::HelpStyle()
 {
-	position = Eigen::Vector2f(Renderer::getScreenWidth() * 0.012f, Renderer::getScreenHeight() * 0.9515f);
+	position = Vector2f(Renderer::getScreenWidth() * 0.012f, Renderer::getScreenHeight() * 0.9515f);
 	iconColor = 0x777777FF;
 	textColor = 0x777777FF;
 
@@ -22,7 +22,7 @@ void HelpStyle::applyTheme(const std::shared_ptr<ThemeData>& theme, const std::s
 		return;
 
 	if(elem->has("pos"))
-		position = elem->get<Eigen::Vector2f>("pos").cwiseProduct(Eigen::Vector2f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight()));
+		position = elem->get<Vector2f>("pos") * Vector2f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
 
 	if(elem->has("textColor"))
 		textColor = elem->get<unsigned int>("textColor");

es-core/src/HelpStyle.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <Eigen/Dense>
+#include "math/Vector2f.h"
 #include <memory>
 #include <string>
 
@@ -9,7 +9,7 @@ class Font;
 
 struct HelpStyle
 {
-	Eigen::Vector2f position;
+	Vector2f position;
 	unsigned int iconColor;
 	unsigned int textColor;
 	std::shared_ptr<Font> font;

es-core/src/Renderer.h

@@ -4,8 +4,9 @@
 #include <vector>
 #include <string>
 #include "platform.h"
-#include <Eigen/Dense>
 #include GLHEADER
+#include "math/Transform4x4f.h"
+#include "math/Vector2i.h"
 
 class GuiComponent;
 class Font;
@@ -26,11 +27,10 @@ namespace Renderer
 	//graphics commands
 	void swapBuffers();
 
-	void pushClipRect(Eigen::Vector2i pos, Eigen::Vector2i dim);
+	void pushClipRect(Vector2i pos, Vector2i dim);
 	void popClipRect();
 
-	void setMatrix(float* mat);
+	void setMatrix(const Transform4x4f& transform);
-	void setMatrix(const Eigen::Affine3f& transform);
 
 	void drawRect(int x, int y, int w, int h, unsigned int color, GLenum blend_sfactor = GL_SRC_ALPHA, GLenum blend_dfactor = GL_ONE_MINUS_SRC_ALPHA);
 	void drawRect(float x, float y, float w, float h, unsigned int color, GLenum blend_sfactor = GL_SRC_ALPHA, GLenum blend_dfactor = GL_ONE_MINUS_SRC_ALPHA);

es-core/src/Renderer_draw_gl.cpp

@@ -9,7 +9,16 @@
 #include "Util.h"
 
 namespace Renderer {
-	std::stack<Eigen::Vector4i> clipStack;
+	struct ClipRect {
+		ClipRect(const int x, const int y, const int w, const int h) :
+			x(x), y(y), w(w), h(h) {};
+		int x;
+		int y;
+		int w;
+		int h;
+	};
+
+	std::stack<ClipRect> clipStack;
 
 	void setColor4bArray(GLubyte* array, unsigned int color)
 	{
@@ -29,41 +38,41 @@ namespace Renderer {
 		}
 	}
 
-	void pushClipRect(Eigen::Vector2i pos, Eigen::Vector2i dim)
+	void pushClipRect(Vector2i pos, Vector2i dim)
 	{
-		Eigen::Vector4i box(pos.x(), pos.y(), dim.x(), dim.y());
+		ClipRect box(pos.x(), pos.y(), dim.x(), dim.y());
-		if(box[2] == 0)
+		if(box.w == 0)
-			box[2] = Renderer::getScreenWidth() - box.x();
+			box.w = Renderer::getScreenWidth() - box.x;
-		if(box[3] == 0)
+		if(box.h == 0)
-			box[3] = Renderer::getScreenHeight() - box.y();
+			box.h = Renderer::getScreenHeight() - box.y;
 
 		//glScissor starts at the bottom left of the window
 		//so (0, 0, 1, 1) is the bottom left pixel
 		//everything else uses y+ = down, so flip it to be consistent
 		//rect.pos.y = Renderer::getScreenHeight() - rect.pos.y - rect.size.y;
-		box[1] = Renderer::getScreenHeight() - box.y() - box[3];
+		box.y = Renderer::getScreenHeight() - box.y - box.h;
 
 		//make sure the box fits within clipStack.top(), and clip further accordingly
 		if(clipStack.size())
 		{
-			Eigen::Vector4i& top = clipStack.top();
+			const ClipRect& top = clipStack.top();
-			if(top[0] > box[0])
+			if(top.x > box.x)
-				box[0] = top[0];
+				box.x = top.x;
-			if(top[1] > box[1])
+			if(top.y > box.y)
-				box[1] = top[1];
+				box.y = top.y;
-			if(top[0] + top[2] < box[0] + box[2])
+			if(top.x + top.w < box.x + box.w)
-				box[2] = (top[0] + top[2]) - box[0];
+				box.w = (top.x + top.w) - box.x;
-			if(top[1] + top[3] < box[1] + box[3])
+			if(top.y + top.h < box.y + box.h)
-				box[3] = (top[1] + top[3]) - box[1];
+				box.h = (top.y + top.h) - box.y;
 		}
 
-		if(box[2] < 0)
+		if(box.w < 0)
-			box[2] = 0;
+			box.w = 0;
-		if(box[3] < 0)
+		if(box.h < 0)
-			box[3] = 0;
+			box.h = 0;
 
 		clipStack.push(box);
-		glScissor(box[0], box[1], box[2], box[3]);
+		glScissor(box.x, box.y, box.w, box.h);
 		glEnable(GL_SCISSOR_TEST);
 	}
 
@@ -80,8 +89,8 @@ namespace Renderer {
 		{
 			glDisable(GL_SCISSOR_TEST);
 		}else{
-			Eigen::Vector4i top = clipStack.top();
+			const ClipRect& top = clipStack.top();
-			glScissor(top[0], top[1], top[2], top[3]);
+			glScissor(top.x, top.y, top.w, top.h);
 		}
 	}
 
@@ -128,13 +137,8 @@ namespace Renderer {
 		glDisableClientState(GL_COLOR_ARRAY);
 	}
 
-	void setMatrix(float* matrix)
+	void setMatrix(const Transform4x4f& matrix)
 	{
-		glLoadMatrixf(matrix);
+		glLoadMatrixf((GLfloat*)&matrix);
-	}
-
-	void setMatrix(const Eigen::Affine3f& matrix)
-	{
-		setMatrix((float*)matrix.data());
 	}
 };

es-core/src/ThemeData.cpp

@@ -419,7 +419,7 @@ void ThemeData::parseElement(const pugi::xml_node& root, const std::map<std::str
 			std::string first = str.substr(0, divider);
 			std::string second = str.substr(divider, std::string::npos);
 
-			Eigen::Vector2f val(atof(first.c_str()), atof(second.c_str()));
+			Vector2f val(atof(first.c_str()), atof(second.c_str()));
 
 			element.properties[node.name()] = val;
 			break;

es-core/src/ThemeData.h

@@ -9,7 +9,6 @@
 #include <boost/filesystem.hpp>
 #include <boost/variant.hpp>
 #include <boost/xpressive/xpressive.hpp>
-#include <Eigen/Dense>
 #include "pugixml/src/pugixml.hpp"
 #include "GuiComponent.h"
 
@@ -91,7 +90,7 @@ public:
 		bool extra;
 		std::string type;
 
-		std::map< std::string, boost::variant<Eigen::Vector2f, std::string, unsigned int, float, bool> > properties;
+		std::map< std::string, boost::variant<Vector2f, std::string, unsigned int, float, bool> > properties;
 
 		template<typename T>
 		T get(const std::string& prop) const { return boost::get<T>(properties.at(prop)); }

es-core/src/Util.cpp

@@ -26,7 +26,6 @@ std::string strToUpper(const std::string& str)
 	return strToUpper(str.c_str());
 }
 
-
 #if defined(_WIN32) && _MSC_VER < 1800
 float round(float num)
 {
@@ -34,37 +33,6 @@ float round(float num)
 }
 #endif
 
-Eigen::Affine3f& roundMatrix(Eigen::Affine3f& mat)
-{
-	mat.translation()[0] = round(mat.translation()[0]);
-	mat.translation()[1] = round(mat.translation()[1]);
-	return mat;
-}
-
-Eigen::Affine3f roundMatrix(const Eigen::Affine3f& mat)
-{
-	Eigen::Affine3f ret = mat;
-	roundMatrix(ret);
-	return ret;
-}
-
-Eigen::Vector3f roundVector(const Eigen::Vector3f& vec)
-{
-	Eigen::Vector3f ret = vec;
-	ret[0] = round(ret[0]);
-	ret[1] = round(ret[1]);
-	ret[2] = round(ret[2]);
-	return ret;
-}
-
-Eigen::Vector2f roundVector(const Eigen::Vector2f& vec)
-{
-	Eigen::Vector2f ret = vec;
-	ret[0] = round(ret[0]);
-	ret[1] = round(ret[1]);
-	return ret;
-}
-
 // embedded resources, e.g. ":/font.ttf", need to be properly handled too
 std::string getCanonicalPath(const std::string& path)
 {

es-core/src/Util.h

@@ -1,20 +1,15 @@
 #pragma once
 
 #include <string>
-#include <Eigen/Dense>
 #include <boost/filesystem.hpp>
 #include <boost/date_time.hpp>
+#include "math/Transform4x4f.h"
+#include "math/Vector2f.h"
 
 std::string strToUpper(const char* from);
 std::string& strToUpper(std::string& str);
 std::string strToUpper(const std::string& str);
 
-Eigen::Affine3f& roundMatrix(Eigen::Affine3f& mat);
-Eigen::Affine3f roundMatrix(const Eigen::Affine3f& mat);
-
-Eigen::Vector3f roundVector(const Eigen::Vector3f& vec);
-Eigen::Vector2f roundVector(const Eigen::Vector2f& vec);
-
 #if defined(_WIN32) && _MSC_VER < 1800
 float round(float num);
 #endif

es-core/src/Window.cpp

@@ -228,7 +228,7 @@ void Window::update(int deltaTime)
 
 void Window::render()
 {
-	Eigen::Affine3f transform = Eigen::Affine3f::Identity();
+	Transform4x4f transform = Transform4x4f::Identity();
 
 	mRenderedHelpPrompts = false;
 
@@ -251,7 +251,7 @@ void Window::render()
 
 	if(Settings::getInstance()->getBool("DrawFramerate") && mFrameDataText)
 	{
-		Renderer::setMatrix(Eigen::Affine3f::Identity());
+		Renderer::setMatrix(Transform4x4f::Identity());
 		mDefaultFonts.at(1)->renderTextCache(mFrameDataText.get());
 	}
 
@@ -296,7 +296,7 @@ void Window::setAllowSleep(bool sleep)
 
 void Window::renderLoadingScreen()
 {
-	Eigen::Affine3f trans = Eigen::Affine3f::Identity();
+	Transform4x4f trans = Transform4x4f::Identity();
 	Renderer::setMatrix(trans);
 	Renderer::drawRect(0, 0, Renderer::getScreenWidth(), Renderer::getScreenHeight(), 0x000000FF);
 
@@ -308,7 +308,7 @@ void Window::renderLoadingScreen()
 
 	auto& font = mDefaultFonts.at(1);
 	TextCache* cache = font->buildTextCache("LOADING...", 0, 0, 0x656565FF);
-	trans = trans.translate(Eigen::Vector3f(round((Renderer::getScreenWidth() - cache->metrics.size.x()) / 2.0f),
+	trans = trans.translate(Vector3f(round((Renderer::getScreenWidth() - cache->metrics.size.x()) / 2.0f),
 		round(Renderer::getScreenHeight() * 0.835f), 0.0f));
 	Renderer::setMatrix(trans);
 	font->renderTextCache(cache);
@@ -319,7 +319,7 @@ void Window::renderLoadingScreen()
 
 void Window::renderHelpPromptsEarly()
 {
-	mHelp->render(Eigen::Affine3f::Identity());
+	mHelp->render(Transform4x4f::Identity());
 	mRenderedHelpPrompts = true;
 }
 

es-core/src/Window.h

@@ -28,7 +28,7 @@ public:
 
 	class InfoPopup {
 	public:
-		virtual void render(const Eigen::Affine3f& parentTrans) = 0;
+		virtual void render(const Transform4x4f& parentTrans) = 0;
 		virtual void stop() = 0;
 		virtual ~InfoPopup() {};
 	};

es-core/src/animations/Animation.h

@@ -1,7 +1,5 @@
 #pragma once
 
-#include <Eigen/Dense>
-
 class Animation
 {
 public:

es-core/src/components/AnimatedImageComponent.cpp

@@ -76,7 +76,7 @@ void AnimatedImageComponent::update(int deltaTime)
 	}
 }
 
-void AnimatedImageComponent::render(const Eigen::Affine3f& trans)
+void AnimatedImageComponent::render(const Transform4x4f& trans)
 {
 	if(mFrames.size())
 		mFrames.at(mCurrentFrame).first->render(getTransform() * trans);

es-core/src/components/AnimatedImageComponent.h

@@ -24,7 +24,7 @@ public:
 	void reset(); // set to frame 0
 
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& trans) override;
+	void render(const Transform4x4f& trans) override;
 
 	void onSizeChanged() override;
 

es-core/src/components/BusyComponent.cpp

@@ -13,8 +13,6 @@ AnimationFrame BUSY_ANIMATION_FRAMES[] = {
 };
 const AnimationDef BUSY_ANIMATION_DEF = { BUSY_ANIMATION_FRAMES, 4, true };
 
-using namespace Eigen;
-
 BusyComponent::BusyComponent(Window* window) : GuiComponent(window),
 	mBackground(window, ":/frame.png"), mGrid(window, Vector2i(5, 3))
 {

es-core/src/components/ButtonComponent.cpp

@@ -18,7 +18,7 @@ ButtonComponent::ButtonComponent(Window* window, const std::string& text, const
 
 void ButtonComponent::onSizeChanged()
 {
-	mBox.fitTo(mSize, Eigen::Vector3f::Zero(), Eigen::Vector2f(-32, -32));
+	mBox.fitTo(mSize, Vector3f::Zero(), Vector2f(-32, -32));
 }
 
 void ButtonComponent::setPressedFunc(std::function<void()> f)
@@ -84,16 +84,17 @@ void ButtonComponent::updateImage()
 	mBox.setImagePath(mFocused ? ":/button_filled.png" : ":/button.png");
 }
 
-void ButtonComponent::render(const Eigen::Affine3f& parentTrans)
+void ButtonComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = roundMatrix(parentTrans * getTransform());
+	Transform4x4f trans = parentTrans * getTransform();
+	trans.round();
 	
 	mBox.render(trans);
 
 	if(mTextCache)
 	{
-		Eigen::Vector3f centerOffset((mSize.x() - mTextCache->metrics.size.x()) / 2, (mSize.y() - mTextCache->metrics.size.y()) / 2, 0);
+		Vector3f centerOffset((mSize.x() - mTextCache->metrics.size.x()) / 2, (mSize.y() - mTextCache->metrics.size.y()) / 2, 0);
-		centerOffset = roundVector(centerOffset);
+		centerOffset.round();
 		trans = trans.translate(centerOffset);
 
 		Renderer::setMatrix(trans);

es-core/src/components/ButtonComponent.h

@@ -15,7 +15,7 @@ public:
 	void setEnabled(bool enable);
 
 	bool input(InputConfig* config, Input input) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	void setText(const std::string& text, const std::string& helpText);
 

es-core/src/components/ComponentGrid.cpp

@@ -5,7 +5,7 @@
 
 using namespace GridFlags;
 
-ComponentGrid::ComponentGrid(Window* window, const Eigen::Vector2i& gridDimensions) : GuiComponent(window), 
+ComponentGrid::ComponentGrid(Window* window, const Vector2i& gridDimensions) : GuiComponent(window), 
 	mGridSize(gridDimensions), mCursor(0, 0)
 {
 	assert(gridDimensions.x() > 0 && gridDimensions.y() > 0);
@@ -82,7 +82,7 @@ void ComponentGrid::setRowHeightPerc(int row, float height, bool update)
 		onSizeChanged();
 }
 
-void ComponentGrid::setEntry(const std::shared_ptr<GuiComponent>& comp, const Eigen::Vector2i& pos, bool canFocus, bool resize, const Eigen::Vector2i& size,
+void ComponentGrid::setEntry(const std::shared_ptr<GuiComponent>& comp, const Vector2i& pos, bool canFocus, bool resize, const Vector2i& size,
 	unsigned int border, GridFlags::UpdateType updateType)
 {
 	assert(pos.x() >= 0 && pos.x() < mGridSize.x() && pos.y() >= 0 && pos.y() < mGridSize.y());
@@ -123,7 +123,7 @@ bool ComponentGrid::removeEntry(const std::shared_ptr<GuiComponent>& comp)
 void ComponentGrid::updateCellComponent(const GridEntry& cell)
 {
 	// size
-	Eigen::Vector2f size(0, 0);
+	Vector2f size(0, 0);
 	for(int x = cell.pos.x(); x < cell.pos.x() + cell.dim.x(); x++)
 		size[0] += getColWidth(x);
 	for(int y = cell.pos.y(); y < cell.pos.y() + cell.dim.y(); y++)
@@ -134,7 +134,7 @@ void ComponentGrid::updateCellComponent(const GridEntry& cell)
 
 	// position
 	// find top left corner
-	Eigen::Vector3f pos(0, 0, 0);
+	Vector3f pos(0, 0, 0);
 	for(int x = 0; x < cell.pos.x(); x++)
 		pos[0] += getColWidth(x);
 	for(int y = 0; y < cell.pos.y(); y++)
@@ -153,16 +153,16 @@ void ComponentGrid::updateSeparators()
 
 	bool drawAll = Settings::getInstance()->getBool("DebugGrid");
 
-	Eigen::Vector2f pos;
+	Vector2f pos;
-	Eigen::Vector2f size;
+	Vector2f size;
 	for(auto it = mCells.begin(); it != mCells.end(); it++)
 	{
 		if(!it->border && !drawAll)
 			continue;
 
 		// find component position + size
-		pos << 0, 0;
+		pos = Vector2f(0, 0);
-		size << 0, 0;
+		size = Vector2f(0, 0);
 		for(int x = 0; x < it->pos.x(); x++)
 			pos[0] += getColWidth(x);
 		for(int y = 0; y < it->pos.y(); y++)
@@ -235,19 +235,19 @@ bool ComponentGrid::input(InputConfig* config, Input input)
 
 	if(config->isMappedTo("down", input))
 	{
-		return moveCursor(Eigen::Vector2i(0, 1));
+		return moveCursor(Vector2i(0, 1));
 	}
 	if(config->isMappedTo("up", input))
 	{
-		return moveCursor(Eigen::Vector2i(0, -1));
+		return moveCursor(Vector2i(0, -1));
 	}
 	if(config->isMappedTo("left", input))
 	{
-		return moveCursor(Eigen::Vector2i(-1, 0));
+		return moveCursor(Vector2i(-1, 0));
 	}
 	if(config->isMappedTo("right", input))
 	{
-		return moveCursor(Eigen::Vector2i(1, 0));
+		return moveCursor(Vector2i(1, 0));
 	}
 
 	return false;
@@ -262,7 +262,7 @@ void ComponentGrid::resetCursor()
 	{
 		if(it->canFocus)
 		{
-			Eigen::Vector2i origCursor = mCursor;
+			Vector2i origCursor = mCursor;
 			mCursor = it->pos;
 			onCursorMoved(origCursor, mCursor);
 			break;
@@ -270,21 +270,21 @@ void ComponentGrid::resetCursor()
 	}
 }
 
-bool ComponentGrid::moveCursor(Eigen::Vector2i dir)
+bool ComponentGrid::moveCursor(Vector2i dir)
 {
 	assert(dir.x() || dir.y());
 
-	const Eigen::Vector2i origCursor = mCursor;
+	const Vector2i origCursor = mCursor;
 
 	GridEntry* currentCursorEntry = getCellAt(mCursor);
 
-	Eigen::Vector2i searchAxis(dir.x() == 0, dir.y() == 0);
+	Vector2i searchAxis(dir.x() == 0, dir.y() == 0);
 	
 	while(mCursor.x() >= 0 && mCursor.y() >= 0 && mCursor.x() < mGridSize.x() && mCursor.y() < mGridSize.y())
 	{
 		mCursor = mCursor + dir;
 
-		Eigen::Vector2i curDirPos = mCursor;
+		Vector2i curDirPos = mCursor;
 
 		GridEntry* cursorEntry;
 		//spread out on search axis+
@@ -355,9 +355,9 @@ void ComponentGrid::update(int deltaTime)
 	}
 }
 
-void ComponentGrid::render(const Eigen::Affine3f& parentTrans)
+void ComponentGrid::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 
 	renderChildren(trans);
 	
@@ -389,7 +389,7 @@ void ComponentGrid::textInput(const char* text)
 		selectedEntry->component->textInput(text);
 }
 
-void ComponentGrid::onCursorMoved(Eigen::Vector2i from, Eigen::Vector2i to)
+void ComponentGrid::onCursorMoved(Vector2i from, Vector2i to)
 {
 	GridEntry* cell = getCellAt(from);
 	if(cell)
@@ -408,7 +408,7 @@ void ComponentGrid::setCursorTo(const std::shared_ptr<GuiComponent>& comp)
 	{
 		if(it->component == comp)
 		{
-			Eigen::Vector2i oldCursor = mCursor;
+			Vector2i oldCursor = mCursor;
 			mCursor = it->pos;
 			onCursorMoved(oldCursor, mCursor);
 			return;

es-core/src/components/ComponentGrid.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "GuiComponent.h"
+#include "math/Vector2i.h"
 
 namespace GridFlags
 {
@@ -26,18 +27,18 @@ namespace GridFlags
 class ComponentGrid : public GuiComponent
 {
 public:
-	ComponentGrid(Window* window, const Eigen::Vector2i& gridDimensions);
+	ComponentGrid(Window* window, const Vector2i& gridDimensions);
 	virtual ~ComponentGrid();
 
 	bool removeEntry(const std::shared_ptr<GuiComponent>& comp);
 
-	void setEntry(const std::shared_ptr<GuiComponent>& comp, const Eigen::Vector2i& pos, bool canFocus, bool resize = true, 
+	void setEntry(const std::shared_ptr<GuiComponent>& comp, const Vector2i& pos, bool canFocus, bool resize = true, 
-		const Eigen::Vector2i& size = Eigen::Vector2i(1, 1), unsigned int border = GridFlags::BORDER_NONE, GridFlags::UpdateType updateType = GridFlags::UPDATE_ALWAYS);
+		const Vector2i& size = Vector2i(1, 1), unsigned int border = GridFlags::BORDER_NONE, GridFlags::UpdateType updateType = GridFlags::UPDATE_ALWAYS);
 
 	void textInput(const char* text) override;
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 	void onSizeChanged() override;
 
 	void resetCursor();
@@ -49,7 +50,7 @@ public:
 	void setColWidthPerc(int col, float width, bool update = true); // if update is false, will not call an onSizeChanged() which triggers a (potentially costly) repositioning + resizing of every element
 	void setRowHeightPerc(int row, float height, bool update = true); // if update is false, will not call an onSizeChanged() which triggers a (potentially costly) repositioning + resizing of every element
 
-	bool moveCursor(Eigen::Vector2i dir);
+	bool moveCursor(Vector2i dir);
 	void setCursorTo(const std::shared_ptr<GuiComponent>& comp);
 
 	inline std::shared_ptr<GuiComponent> getSelectedComponent()
@@ -70,15 +71,15 @@ private:
 	class GridEntry
 	{
 	public:
-		Eigen::Vector2i pos;
+		Vector2i pos;
-		Eigen::Vector2i dim;
+		Vector2i dim;
 		std::shared_ptr<GuiComponent> component;
 		bool canFocus;
 		bool resize;
 		GridFlags::UpdateType updateType;
 		unsigned int border;
 
-		GridEntry(const Eigen::Vector2i& p = Eigen::Vector2i::Zero(), const Eigen::Vector2i& d = Eigen::Vector2i::Zero(),
+		GridEntry(const Vector2i& p = Vector2i::Zero(), const Vector2i& d = Vector2i::Zero(),
 			const std::shared_ptr<GuiComponent>& cmp = nullptr, bool f = false, bool r = true, 
 			GridFlags::UpdateType u = GridFlags::UPDATE_ALWAYS, unsigned int b = GridFlags::BORDER_NONE) : 
 			pos(p), dim(d), component(cmp), canFocus(f), resize(r), updateType(u), border(b)
@@ -108,12 +109,12 @@ private:
 	void updateSeparators();
 
 	GridEntry* getCellAt(int x, int y);
-	inline GridEntry* getCellAt(const Eigen::Vector2i& pos) { return getCellAt(pos.x(), pos.y()); }
+	inline GridEntry* getCellAt(const Vector2i& pos) { return getCellAt(pos.x(), pos.y()); }
 	
-	Eigen::Vector2i mGridSize;
+	Vector2i mGridSize;
 
 	std::vector<GridEntry> mCells;
 
-	void onCursorMoved(Eigen::Vector2i from, Eigen::Vector2i to);
+	void onCursorMoved(Vector2i from, Vector2i to);
-	Eigen::Vector2i mCursor;
+	Vector2i mCursor;
 };

es-core/src/components/ComponentList.cpp

@@ -157,21 +157,22 @@ void ComponentList::updateCameraOffset()
 	}
 }
 
-void ComponentList::render(const Eigen::Affine3f& parentTrans)
+void ComponentList::render(const Transform4x4f& parentTrans)
 {
 	if(!size())
 		return;
 
-	Eigen::Affine3f trans = roundMatrix(parentTrans * getTransform());
+	Transform4x4f trans = parentTrans * getTransform();
+	trans.round();
 
 	// clip everything to be inside our bounds
-	Eigen::Vector3f dim(mSize.x(), mSize.y(), 0);
+	Vector3f dim(mSize.x(), mSize.y(), 0);
 	dim = trans * dim - trans.translation();
-	Renderer::pushClipRect(Eigen::Vector2i((int)trans.translation().x(), (int)trans.translation().y()),
+	Renderer::pushClipRect(Vector2i((int)trans.translation().x(), (int)trans.translation().y()),
-		Eigen::Vector2i((int)round(dim.x()), (int)round(dim.y() + 1)));
+		Vector2i((int)round(dim.x()), (int)round(dim.y() + 1)));
 
 	// scroll the camera
-	trans.translate(Eigen::Vector3f(0, -round(mCameraOffset), 0));
+	trans.translate(Vector3f(0, -round(mCameraOffset), 0));
 
 	// draw our entries
 	std::vector<GuiComponent*> drawAfterCursor;

es-core/src/components/ComponentList.h

@@ -52,7 +52,7 @@ public:
 	void textInput(const char* text) override;
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 	virtual std::vector<HelpPrompt> getHelpPrompts() override;
 
 	void onSizeChanged() override;

es-core/src/components/DateTimeComponent.cpp

@@ -134,16 +134,16 @@ void DateTimeComponent::update(int deltaTime)
 	GuiComponent::update(deltaTime);
 }
 
-void DateTimeComponent::render(const Eigen::Affine3f& parentTrans)
+void DateTimeComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 
 	if(mTextCache)
 	{
 		// vertically center
-		Eigen::Vector3f off(0, (mSize.y() - mTextCache->metrics.size.y()) / 2, 0);
+		Vector3f off(0, (mSize.y() - mTextCache->metrics.size.y()) / 2, 0);
 		trans.translate(off);
-		trans = roundMatrix(trans);
+		trans.round();
 
 		Renderer::setMatrix(trans);
 
@@ -269,22 +269,22 @@ void DateTimeComponent::updateTextCache()
 		return;
 
 	//month
-	Eigen::Vector2f start(0, 0);
+	Vector2f start(0, 0);
-	Eigen::Vector2f end = font->sizeText(dispString.substr(0, 2));
+	Vector2f end = font->sizeText(dispString.substr(0, 2));
-	Eigen::Vector2f diff = end - start;
+	Vector2f diff = end - start;
-	mCursorBoxes.push_back(Eigen::Vector4f(start[0], start[1], diff[0], diff[1]));
+	mCursorBoxes.push_back(Vector4f(start[0], start[1], diff[0], diff[1]));
 
 	//day
 	start[0] = font->sizeText(dispString.substr(0, 3)).x();
 	end = font->sizeText(dispString.substr(0, 5));
 	diff = end - start;
-	mCursorBoxes.push_back(Eigen::Vector4f(start[0], start[1], diff[0], diff[1]));
+	mCursorBoxes.push_back(Vector4f(start[0], start[1], diff[0], diff[1]));
 
 	//year
 	start[0] = font->sizeText(dispString.substr(0, 6)).x();
 	end = font->sizeText(dispString.substr(0, 10));
 	diff = end - start;
-	mCursorBoxes.push_back(Eigen::Vector4f(start[0], start[1], diff[0], diff[1]));
+	mCursorBoxes.push_back(Vector4f(start[0], start[1], diff[0], diff[1]));
 
 	//if mode == DISP_DATE_TIME do times too but I don't wanna do the logic for editing times because no one will ever use it so screw it
 }

es-core/src/components/DateTimeComponent.h

@@ -22,7 +22,7 @@ public:
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 	void onSizeChanged() override;
 
 	// Set how the point in time will be displayed:
@@ -56,7 +56,7 @@ private:
 	int mRelativeUpdateAccumulator;
 
 	std::unique_ptr<TextCache> mTextCache;
-	std::vector<Eigen::Vector4f> mCursorBoxes;
+	std::vector<Vector4f> mCursorBoxes;
 
 	unsigned int mColor;
 	std::shared_ptr<Font> mFont;

es-core/src/components/HelpComponent.cpp

@@ -14,8 +14,6 @@
 #define ICON_TEXT_SPACING 8 // space between [icon] and [text] (px)
 #define ENTRY_SPACING 16 // space between [text] and next [icon] (px)
 
-using namespace Eigen;
-
 static const std::map<std::string, const char*> ICON_PATH_MAP = boost::assign::map_list_of
 	("up/down", ":/help/dpad_updown.svg")
 	("left/right", ":/help/dpad_leftright.svg")
@@ -95,7 +93,7 @@ void HelpComponent::updateGrid()
 		mGrid->setEntry(labels.at(i), Vector2i(col + 2, 0), false, false);
 	}
 
-	mGrid->setPosition(Eigen::Vector3f(mStyle.position.x(), mStyle.position.y(), 0.0f));
+	mGrid->setPosition(Vector3f(mStyle.position.x(), mStyle.position.y(), 0.0f));
 	//mGrid->setPosition(OFFSET_X, Renderer::getScreenHeight() - mGrid->getSize().y() - OFFSET_Y);
 }
 
@@ -132,9 +130,9 @@ void HelpComponent::setOpacity(unsigned char opacity)
 	}
 }
 
-void HelpComponent::render(const Eigen::Affine3f& parentTrans)
+void HelpComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 	
 	if(mGrid)
 		mGrid->render(trans);

es-core/src/components/HelpComponent.h

@@ -15,7 +15,7 @@ public:
 	void clearPrompts();
 	void setPrompts(const std::vector<HelpPrompt>& prompts);
 
-	void render(const Eigen::Affine3f& parent) override;
+	void render(const Transform4x4f& parent) override;
 	void setOpacity(unsigned char opacity) override;
 
 	void setStyle(const HelpStyle& style);

es-core/src/components/IList.h

@@ -247,7 +247,7 @@ protected:
 			scroll(mScrollVelocity);
 	}
 
-	void listRenderTitleOverlay(const Eigen::Affine3f& trans)
+	void listRenderTitleOverlay(const Transform4x4f& trans)
 	{
 		if(size() == 0 || !mTitleOverlayFont || mTitleOverlayOpacity == 0)
 			return;
@@ -255,11 +255,11 @@ protected:
 		// we don't bother caching this because it's only two letters and will change pretty much every frame if we're scrolling
 		const std::string text = getSelectedName().size() >= 2 ? getSelectedName().substr(0, 2) : "??";
 
-		Eigen::Vector2f off = mTitleOverlayFont->sizeText(text);
+		Vector2f off = mTitleOverlayFont->sizeText(text);
 		off[0] = (Renderer::getScreenWidth() - off.x()) * 0.5f;
 		off[1] = (Renderer::getScreenHeight() - off.y()) * 0.5f;
 		
-		Eigen::Affine3f identTrans = Eigen::Affine3f::Identity();
+		Transform4x4f identTrans = Transform4x4f::Identity();
 
 		mGradient.setOpacity(mTitleOverlayOpacity);
 		mGradient.render(identTrans);

es-core/src/components/ImageComponent.cpp

@@ -7,12 +7,12 @@
 #include "ThemeData.h"
 #include "Util.h"
 
-Eigen::Vector2i ImageComponent::getTextureSize() const
+Vector2i ImageComponent::getTextureSize() const
 {
 	if(mTexture)
 		return mTexture->getSize();
 	else
-		return Eigen::Vector2i::Zero();
+		return Vector2i::Zero();
 }
 
 ImageComponent::ImageComponent(Window* window, bool forceLoad, bool dynamic) : GuiComponent(window),
@@ -31,8 +31,8 @@ void ImageComponent::resize()
 	if(!mTexture)
 		return;
 
-	const Eigen::Vector2f textureSize = mTexture->getSourceImageSize();
+	const Vector2f textureSize = mTexture->getSourceImageSize();
-	if(textureSize.isZero())
+	if(textureSize == Vector2f::Zero())
 		return;
 
 	if(mTexture->isTiled())
@@ -49,7 +49,7 @@ void ImageComponent::resize()
 		{
 			mSize = textureSize;
 
-			Eigen::Vector2f resizeScale((mTargetSize.x() / mSize.x()), (mTargetSize.y() / mSize.y()));
+			Vector2f resizeScale((mTargetSize.x() / mSize.x()), (mTargetSize.y() / mSize.y()));
 			
 			if(resizeScale.x() < resizeScale.y())
 			{
@@ -67,7 +67,7 @@ void ImageComponent::resize()
 		}else{
 			// if both components are set, we just stretch
 			// if no components are set, we don't resize at all
-			mSize = mTargetSize.isZero() ? textureSize : mTargetSize;
+			mSize = mTargetSize == Vector2f::Zero() ? textureSize : mTargetSize;
 
 			// if only one component is set, we resize in a way that maintains aspect ratio
 			// for SVG rasterization, we always calculate width from rounded height (see comment above)
@@ -131,14 +131,14 @@ void ImageComponent::setImage(const std::shared_ptr<TextureResource>& texture)
 
 void ImageComponent::setResize(float width, float height)
 {
-	mTargetSize << width, height;
+	mTargetSize = Vector2f(width, height);
 	mTargetIsMax = false;
 	resize();
 }
 
 void ImageComponent::setMaxSize(float width, float height)
 {
-	mTargetSize << width, height;
+	mTargetSize = Vector2f(width, height);
 	mTargetIsMax = true;
 	resize();
 }
@@ -178,16 +178,16 @@ void ImageComponent::updateVertices()
 
 	// we go through this mess to make sure everything is properly rounded
 	// if we just round vertices at the end, edge cases occur near sizes of 0.5
-	Eigen::Vector2f topLeft(0.0, 0.0);
+	Vector2f topLeft(0.0, 0.0);
-	Eigen::Vector2f bottomRight(round(mSize.x()), round(mSize.y()));
+	Vector2f bottomRight(round(mSize.x()), round(mSize.y()));
 
-	mVertices[0].pos << topLeft.x(), topLeft.y();
+	mVertices[0].pos = Vector2f(topLeft.x(), topLeft.y());
-	mVertices[1].pos << topLeft.x(), bottomRight.y();
+	mVertices[1].pos = Vector2f(topLeft.x(), bottomRight.y());
-	mVertices[2].pos << bottomRight.x(), topLeft.y();
+	mVertices[2].pos = Vector2f(bottomRight.x(), topLeft.y());
 
-	mVertices[3].pos << bottomRight.x(), topLeft.y();
+	mVertices[3].pos = Vector2f(bottomRight.x(), topLeft.y());
-	mVertices[4].pos << topLeft.x(), bottomRight.y();
+	mVertices[4].pos = Vector2f(topLeft.x(), bottomRight.y());
-	mVertices[5].pos << bottomRight.x(), bottomRight.y();
+	mVertices[5].pos = Vector2f(bottomRight.x(), bottomRight.y());
 
 	float px, py;
 	if(mTexture->isTiled())
@@ -199,13 +199,13 @@ void ImageComponent::updateVertices()
 		py = 1;
 	}
 
-	mVertices[0].tex << 0, py;
+	mVertices[0].tex = Vector2f(0, py);
-	mVertices[1].tex << 0, 0;
+	mVertices[1].tex = Vector2f(0, 0);
-	mVertices[2].tex << px, py;
+	mVertices[2].tex = Vector2f(px, py);
 
-	mVertices[3].tex << px, py;
+	mVertices[3].tex = Vector2f(px, py);
-	mVertices[4].tex << 0, 0;
+	mVertices[4].tex = Vector2f(0, 0);
-	mVertices[5].tex << px, 0;
+	mVertices[5].tex = Vector2f(px, 0);
 
 	if(mFlipX)
 	{
@@ -224,9 +224,9 @@ void ImageComponent::updateColors()
 	Renderer::buildGLColorArray(mColors, mColorShift, 6);
 }
 
-void ImageComponent::render(const Eigen::Affine3f& parentTrans)
+void ImageComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 	Renderer::setMatrix(trans);
 
 	if(mTexture && mOpacity > 0)
@@ -324,25 +324,25 @@ void ImageComponent::applyTheme(const std::shared_ptr<ThemeData>& theme, const s
 		return;
 	}
 
-	Eigen::Vector2f scale = getParent() ? getParent()->getSize() : Eigen::Vector2f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
+	Vector2f scale = getParent() ? getParent()->getSize() : Vector2f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
 	
 	if(properties & POSITION && elem->has("pos"))
 	{
-		Eigen::Vector2f denormalized = elem->get<Eigen::Vector2f>("pos").cwiseProduct(scale);
+		Vector2f denormalized = elem->get<Vector2f>("pos") * scale;
-		setPosition(Eigen::Vector3f(denormalized.x(), denormalized.y(), 0));
+		setPosition(Vector3f(denormalized.x(), denormalized.y(), 0));
 	}
 
 	if(properties & ThemeFlags::SIZE)
 	{
 		if(elem->has("size"))
-			setResize(elem->get<Eigen::Vector2f>("size").cwiseProduct(scale));
+			setResize(elem->get<Vector2f>("size") * scale);
 		else if(elem->has("maxSize"))
-			setMaxSize(elem->get<Eigen::Vector2f>("maxSize").cwiseProduct(scale));
+			setMaxSize(elem->get<Vector2f>("maxSize") * scale);
 	}
 
 	// position + size also implies origin
 	if((properties & ORIGIN || (properties & POSITION && properties & ThemeFlags::SIZE)) && elem->has("origin"))
-		setOrigin(elem->get<Eigen::Vector2f>("origin"));
+		setOrigin(elem->get<Vector2f>("origin"));
 
 	if(elem->has("default")) {
 		setDefaultImage(elem->get<std::string>("default"));
@@ -361,7 +361,7 @@ void ImageComponent::applyTheme(const std::shared_ptr<ThemeData>& theme, const s
 		if(elem->has("rotation"))
 			setRotationDegrees(elem->get<float>("rotation"));
 		if(elem->has("rotationOrigin"))
-			setRotationOrigin(elem->get<Eigen::Vector2f>("rotationOrigin"));
+			setRotationOrigin(elem->get<Vector2f>("rotationOrigin"));
 	}
 
 	if(properties & ThemeFlags::Z_INDEX && elem->has("zIndex"))

es-core/src/components/ImageComponent.h

@@ -32,13 +32,13 @@ public:
 	// Can be set before or after an image is loaded.
 	// setMaxSize() and setResize() are mutually exclusive.
 	void setResize(float width, float height);
-	inline void setResize(const Eigen::Vector2f& size) { setResize(size.x(), size.y()); }
+	inline void setResize(const Vector2f& size) { setResize(size.x(), size.y()); }
 
 	// Resize the image to be as large as possible but fit within a box of this size.
 	// Can be set before or after an image is loaded.
 	// Never breaks the aspect ratio. setMaxSize() and setResize() are mutually exclusive.
 	void setMaxSize(float width, float height);
-	inline void setMaxSize(const Eigen::Vector2f& size) { setMaxSize(size.x(), size.y()); }
+	inline void setMaxSize(const Vector2f& size) { setMaxSize(size.x(), size.y()); }
 
 	// Multiply all pixels in the image by this color when rendering.
 	void setColorShift(unsigned int color);
@@ -47,17 +47,17 @@ public:
 	void setFlipY(bool flip); // Mirror on the Y axis.
 
 	// Returns the size of the current texture, or (0, 0) if none is loaded.  May be different than drawn size (use getSize() for that).
-	Eigen::Vector2i getTextureSize() const;
+	Vector2i getTextureSize() const;
 
 	bool hasImage();
 
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	virtual void applyTheme(const std::shared_ptr<ThemeData>& theme, const std::string& view, const std::string& element, unsigned int properties) override;
 
 	virtual std::vector<HelpPrompt> getHelpPrompts() override;
 private:
-	Eigen::Vector2f mTargetSize;
+	Vector2f mTargetSize;
 
 	bool mFlipX, mFlipY, mTargetIsMax;
 
@@ -67,8 +67,8 @@ private:
 
 	struct Vertex
 	{
-		Eigen::Vector2f pos;
+		Vector2f pos;
-		Eigen::Vector2f tex;
+		Vector2f tex;
 	} mVertices[6];
 
 	GLubyte mColors[6*4];

es-core/src/components/ImageGridComponent.h

@@ -37,16 +37,16 @@ public:
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 private:
-	Eigen::Vector2f getSquareSize(std::shared_ptr<TextureResource> tex = nullptr) const
+	Vector2f getSquareSize(std::shared_ptr<TextureResource> tex = nullptr) const
 	{
-		Eigen::Vector2f aspect(1, 1);
+		Vector2f aspect(1, 1);
 
 		if(tex)
 		{
-			const Eigen::Vector2i& texSize = tex->getSize();
+			const Vector2i& texSize = tex->getSize();
 
 			if(texSize.x() > texSize.y())
 				aspect[0] = (float)texSize.x() / texSize.y();
@@ -54,17 +54,17 @@ private:
 				aspect[1] = (float)texSize.y() / texSize.x();
 		}
 
-		return Eigen::Vector2f(156 * aspect.x(), 156 * aspect.y());
+		return Vector2f(156 * aspect.x(), 156 * aspect.y());
 	};
 
-	Eigen::Vector2f getMaxSquareSize() const
+	Vector2f getMaxSquareSize() const
 	{
-		Eigen::Vector2f squareSize(32, 32);
+		Vector2f squareSize(32, 32);
 
 		// calc biggest square size
 		for(auto it = mEntries.begin(); it != mEntries.end(); it++)
 		{
-			Eigen::Vector2f chkSize = getSquareSize(it->data.texture);
+			Vector2f chkSize = getSquareSize(it->data.texture);
 			if(chkSize.x() > squareSize.x())
 				squareSize[0] = chkSize[0];
 			if(chkSize.y() > squareSize.y())
@@ -74,14 +74,14 @@ private:
 		return squareSize;
 	};
 
-	Eigen::Vector2i getGridSize() const
+	Vector2i getGridSize() const
 	{
-		Eigen::Vector2f squareSize = getMaxSquareSize();
+		Vector2f squareSize = getMaxSquareSize();
-		Eigen::Vector2i gridSize(mSize.x() / (squareSize.x() + getPadding().x()), mSize.y() / (squareSize.y() + getPadding().y()));
+		Vector2i gridSize(mSize.x() / (squareSize.x() + getPadding().x()), mSize.y() / (squareSize.y() + getPadding().y()));
 		return gridSize;
 	};
 
-	Eigen::Vector2f getPadding() const { return Eigen::Vector2f(24, 24); }
+	Vector2f getPadding() const { return Vector2f(24, 24); }
 	
 	void buildImages();
 	void updateImages();
@@ -115,7 +115,7 @@ bool ImageGridComponent<T>::input(InputConfig* config, Input input)
 {
 	if(input.value != 0)
 	{
-		Eigen::Vector2i dir = Eigen::Vector2i::Zero();
+		Vector2i dir = Vector2i::Zero();
 		if(config->isMappedTo("up", input))
 			dir[1] = -1;
 		else if(config->isMappedTo("down", input))
@@ -125,7 +125,7 @@ bool ImageGridComponent<T>::input(InputConfig* config, Input input)
 		else if(config->isMappedTo("right", input))
 			dir[0] = 1;
 
-		if(dir != Eigen::Vector2i::Zero())
+		if(dir != Vector2i::Zero())
 		{
 			listInput(dir.x() + dir.y() * getGridSize().x());
 			return true;
@@ -147,9 +147,9 @@ void ImageGridComponent<T>::update(int deltaTime)
 }
 
 template<typename T>
-void ImageGridComponent<T>::render(const Eigen::Affine3f& parentTrans)
+void ImageGridComponent<T>::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = getTransform() * parentTrans;
+	Transform4x4f trans = getTransform() * parentTrans;
 
 	if(mEntriesDirty)
 	{
@@ -185,13 +185,13 @@ void ImageGridComponent<T>::buildImages()
 {
 	mImages.clear();
 
-	Eigen::Vector2i gridSize = getGridSize();
+	Vector2i gridSize = getGridSize();
-	Eigen::Vector2f squareSize = getMaxSquareSize();
+	Vector2f squareSize = getMaxSquareSize();
-	Eigen::Vector2f padding = getPadding();
+	Vector2f padding = getPadding();
 
 	// attempt to center within our size
-	Eigen::Vector2f totalSize(gridSize.x() * (squareSize.x() + padding.x()), gridSize.y() * (squareSize.y() + padding.y()));
+	Vector2f totalSize(gridSize.x() * (squareSize.x() + padding.x()), gridSize.y() * (squareSize.y() + padding.y()));
-	Eigen::Vector2f offset(mSize.x() - totalSize.x(), mSize.y() - totalSize.y());
+	Vector2f offset(mSize.x() - totalSize.x(), mSize.y() - totalSize.y());
 	offset /= 2;
 
 	for(int y = 0; y < gridSize.y(); y++)
@@ -215,7 +215,7 @@ void ImageGridComponent<T>::updateImages()
 	if(mImages.empty())
 		buildImages();
 
-	Eigen::Vector2i gridSize = getGridSize();
+	Vector2i gridSize = getGridSize();
 
 	int cursorRow = mCursor / gridSize.x();
 
@@ -238,7 +238,7 @@ void ImageGridComponent<T>::updateImages()
 			continue;
 		}
 
-		Eigen::Vector2f squareSize = getSquareSize(mEntries.at(i).data.texture);
+		Vector2f squareSize = getSquareSize(mEntries.at(i).data.texture);
 		if(i == (unsigned int)mCursor)
 		{
 			image.setColorShift(0xFFFFFFFF);

es-core/src/components/MenuComponent.cpp

@@ -6,8 +6,6 @@
 
 #define TITLE_HEIGHT (mTitle->getFont()->getLetterHeight() + TITLE_VERT_PADDING)
 
-using namespace Eigen;
-
 MenuComponent::MenuComponent(Window* window, const char* title, const std::shared_ptr<Font>& titleFont) : GuiComponent(window),
 	mBackground(window), mGrid(window, Vector2i(1, 3))
 {
@@ -69,7 +67,7 @@ void MenuComponent::updateSize()
 
 void MenuComponent::onSizeChanged()
 {
-	mBackground.fitTo(mSize, Eigen::Vector3f::Zero(), Eigen::Vector2f(-32, -32));
+	mBackground.fitTo(mSize, Vector3f::Zero(), Vector2f(-32, -32));
 
 	// update grid row/col sizes
 	mGrid.setRowHeightPerc(0, TITLE_HEIGHT / mSize.y());

es-core/src/components/NinePatchComponent.cpp

@@ -39,7 +39,7 @@ void NinePatchComponent::buildVertices()
 
 	mTexture = TextureResource::get(mPath);
 
-	if(mTexture->getSize() == Eigen::Vector2i::Zero())
+	if(mTexture->getSize() == Vector2i::Zero())
 	{
 		mVertices = NULL;
 		mColors = NULL;
@@ -51,22 +51,22 @@ void NinePatchComponent::buildVertices()
 	mColors = new GLubyte[6 * 9 * 4];
 	updateColors();
 
-	const Eigen::Vector2f ts = mTexture->getSize().cast<float>();
+	const Vector2f ts = Vector2f(mTexture->getSize().x(), mTexture->getSize().y());
 
 	//coordinates on the image in pixels, top left origin
-	const Eigen::Vector2f pieceCoords[9] = {
+	const Vector2f pieceCoords[9] = {
-		Eigen::Vector2f(0,  0),
+		Vector2f(0,  0),
-		Eigen::Vector2f(16, 0),
+		Vector2f(16, 0),
-		Eigen::Vector2f(32, 0),
+		Vector2f(32, 0),
-		Eigen::Vector2f(0,  16),
+		Vector2f(0,  16),
-		Eigen::Vector2f(16, 16),
+		Vector2f(16, 16),
-		Eigen::Vector2f(32, 16),
+		Vector2f(32, 16),
-		Eigen::Vector2f(0,  32),
+		Vector2f(0,  32),
-		Eigen::Vector2f(16, 32),
+		Vector2f(16, 32),
-		Eigen::Vector2f(32, 32),
+		Vector2f(32, 32),
 	};
 
-	const Eigen::Vector2f pieceSizes = getCornerSize();
+	const Vector2f pieceSizes = getCornerSize();
 
 	//corners never stretch, so we calculate a width and height for slices 1, 3, 5, and 7
 	float borderWidth = mSize.x() - (pieceSizes.x() * 2); //should be pieceSizes[0] and pieceSizes[2]
@@ -79,20 +79,20 @@ void NinePatchComponent::buildVertices()
 
 	mVertices[0 * 6].pos = pieceCoords[0]; //top left
 	mVertices[1 * 6].pos = pieceCoords[1]; //top middle
-	mVertices[2 * 6].pos = pieceCoords[1] + Eigen::Vector2f(borderWidth, 0); //top right
+	mVertices[2 * 6].pos = pieceCoords[1] + Vector2f(borderWidth, 0); //top right
 
-	mVertices[3 * 6].pos = mVertices[0 * 6].pos + Eigen::Vector2f(0, pieceSizes.y()); //mid left
+	mVertices[3 * 6].pos = mVertices[0 * 6].pos + Vector2f(0, pieceSizes.y()); //mid left
-	mVertices[4 * 6].pos = mVertices[3 * 6].pos + Eigen::Vector2f(pieceSizes.x(), 0); //mid middle
+	mVertices[4 * 6].pos = mVertices[3 * 6].pos + Vector2f(pieceSizes.x(), 0); //mid middle
-	mVertices[5 * 6].pos = mVertices[4 * 6].pos + Eigen::Vector2f(borderWidth, 0); //mid right
+	mVertices[5 * 6].pos = mVertices[4 * 6].pos + Vector2f(borderWidth, 0); //mid right
 
-	mVertices[6 * 6].pos = mVertices[3 * 6].pos + Eigen::Vector2f(0, borderHeight); //bot left
+	mVertices[6 * 6].pos = mVertices[3 * 6].pos + Vector2f(0, borderHeight); //bot left
-	mVertices[7 * 6].pos = mVertices[6 * 6].pos + Eigen::Vector2f(pieceSizes.x(), 0); //bot middle
+	mVertices[7 * 6].pos = mVertices[6 * 6].pos + Vector2f(pieceSizes.x(), 0); //bot middle
-	mVertices[8 * 6].pos = mVertices[7 * 6].pos + Eigen::Vector2f(borderWidth, 0); //bot right
+	mVertices[8 * 6].pos = mVertices[7 * 6].pos + Vector2f(borderWidth, 0); //bot right
 
 	int v = 0;
 	for(int slice = 0; slice < 9; slice++)
 	{
-		Eigen::Vector2f size;
+		Vector2f size;
 
 		//corners
 		if(slice == 0 || slice == 2 || slice == 6 || slice == 8)
@@ -100,32 +100,32 @@ void NinePatchComponent::buildVertices()
 
 		//vertical borders
 		if(slice == 1 || slice == 7)
-			size << borderWidth, pieceSizes.y();
+			size = Vector2f(borderWidth, pieceSizes.y());
 
 		//horizontal borders
 		if(slice == 3 || slice == 5)
-			size << pieceSizes.x(), borderHeight;
+			size = Vector2f(pieceSizes.x(), borderHeight);
 
 		//center
 		if(slice == 4)
-			size << borderWidth, borderHeight;
+			size = Vector2f(borderWidth, borderHeight);
 
 		//no resizing will be necessary
 		//mVertices[v + 0] is already correct
 		mVertices[v + 1].pos = mVertices[v + 0].pos + size;
-		mVertices[v + 2].pos << mVertices[v + 0].pos.x(), mVertices[v + 1].pos.y();
+		mVertices[v + 2].pos = Vector2f(mVertices[v + 0].pos.x(), mVertices[v + 1].pos.y());
 
-		mVertices[v + 3].pos << mVertices[v + 1].pos.x(), mVertices[v + 0].pos.y();
+		mVertices[v + 3].pos = Vector2f(mVertices[v + 1].pos.x(), mVertices[v + 0].pos.y());
 		mVertices[v + 4].pos = mVertices[v + 1].pos;
 		mVertices[v + 5].pos = mVertices[v + 0].pos;
 
 		//texture coordinates
 		//the y = (1 - y) is to deal with texture coordinates having a bottom left corner origin vs. verticies having a top left origin
-		mVertices[v + 0].tex << pieceCoords[slice].x() / ts.x(), 1 - (pieceCoords[slice].y() / ts.y());
+		mVertices[v + 0].tex = Vector2f(pieceCoords[slice].x() / ts.x(), 1 - (pieceCoords[slice].y() / ts.y()));
-		mVertices[v + 1].tex << (pieceCoords[slice].x() + pieceSizes.x()) / ts.x(), 1 - ((pieceCoords[slice].y() + pieceSizes.y()) / ts.y());
+		mVertices[v + 1].tex = Vector2f((pieceCoords[slice].x() + pieceSizes.x()) / ts.x(), 1 - ((pieceCoords[slice].y() + pieceSizes.y()) / ts.y()));
-		mVertices[v + 2].tex << mVertices[v + 0].tex.x(), mVertices[v + 1].tex.y();
+		mVertices[v + 2].tex = Vector2f(mVertices[v + 0].tex.x(), mVertices[v + 1].tex.y());
 
-		mVertices[v + 3].tex << mVertices[v + 1].tex.x(), mVertices[v + 0].tex.y();
+		mVertices[v + 3].tex = Vector2f(mVertices[v + 1].tex.x(), mVertices[v + 0].tex.y());
 		mVertices[v + 4].tex = mVertices[v + 1].tex;
 		mVertices[v + 5].tex = mVertices[v + 0].tex;
 
@@ -135,13 +135,14 @@ void NinePatchComponent::buildVertices()
 	// round vertices
 	for(int i = 0; i < 6*9; i++)
 	{
-		mVertices[i].pos = roundVector(mVertices[i].pos);
+		mVertices[i].pos.round();
 	}
 }
 
-void NinePatchComponent::render(const Eigen::Affine3f& parentTrans)
+void NinePatchComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = roundMatrix(parentTrans * getTransform());
+	Transform4x4f trans = parentTrans * getTransform();
+	trans.round();
 	
 	if(mTexture && mVertices != NULL)
 	{
@@ -179,18 +180,18 @@ void NinePatchComponent::onSizeChanged()
 	buildVertices();
 }
 
-Eigen::Vector2f NinePatchComponent::getCornerSize() const
+Vector2f NinePatchComponent::getCornerSize() const
 {
-	return Eigen::Vector2f(16, 16);
+	return Vector2f(16, 16);
 }
 
-void NinePatchComponent::fitTo(Eigen::Vector2f size, Eigen::Vector3f position, Eigen::Vector2f padding)
+void NinePatchComponent::fitTo(Vector2f size, Vector3f position, Vector2f padding)
 {
 	size += padding;
 	position[0] -= padding.x() / 2;
 	position[1] -= padding.y() / 2;
 
-	setSize(size + Eigen::Vector2f(getCornerSize().x() * 2, getCornerSize().y() * 2));
+	setSize(size + Vector2f(getCornerSize().x() * 2, getCornerSize().y() * 2));
 	setPosition(-getCornerSize().x() + position.x(), -getCornerSize().y() + position.y());
 }
 

es-core/src/components/NinePatchComponent.h

@@ -20,11 +20,11 @@ public:
 	NinePatchComponent(Window* window, const std::string& path = "", unsigned int edgeColor = 0xFFFFFFFF, unsigned int centerColor = 0xFFFFFFFF);
 	virtual ~NinePatchComponent();
 
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	void onSizeChanged() override;
 
-	void fitTo(Eigen::Vector2f size, Eigen::Vector3f position = Eigen::Vector3f::Zero(), Eigen::Vector2f padding = Eigen::Vector2f::Zero());
+	void fitTo(Vector2f size, Vector3f position = Vector3f::Zero(), Vector2f padding = Vector2f::Zero());
 
 	void setImagePath(const std::string& path);
 	void setEdgeColor(unsigned int edgeColor); // Apply a color shift to the "edge" parts of the ninepatch.
@@ -33,15 +33,15 @@ public:
 	virtual void applyTheme(const std::shared_ptr<ThemeData>& theme, const std::string& view, const std::string& element, unsigned int properties) override;
 
 private:
-	Eigen::Vector2f getCornerSize() const;
+	Vector2f getCornerSize() const;
 
 	void buildVertices();
 	void updateColors();
 
 	struct Vertex
 	{
-		Eigen::Vector2f pos;
+		Vector2f pos;
-		Eigen::Vector2f tex;
+		Vector2f tex;
 	};
 
 	Vertex* mVertices;

es-core/src/components/ScrollableContainer.cpp

@@ -11,18 +11,18 @@ ScrollableContainer::ScrollableContainer(Window* window) : GuiComponent(window),
 {
 }
 
-void ScrollableContainer::render(const Eigen::Affine3f& parentTrans)
+void ScrollableContainer::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 
-	Eigen::Vector2i clipPos((int)trans.translation().x(), (int)trans.translation().y());
+	Vector2i clipPos((int)trans.translation().x(), (int)trans.translation().y());
 
-	Eigen::Vector3f dimScaled = trans * Eigen::Vector3f(mSize.x(), mSize.y(), 0);
+	Vector3f dimScaled = trans * Vector3f(mSize.x(), mSize.y(), 0);
-	Eigen::Vector2i clipDim((int)dimScaled.x() - trans.translation().x(), (int)dimScaled.y() - trans.translation().y());
+	Vector2i clipDim((int)dimScaled.x() - trans.translation().x(), (int)dimScaled.y() - trans.translation().y());
 
 	Renderer::pushClipRect(clipPos, clipDim);
 
-	trans.translate(-Eigen::Vector3f(mScrollPos.x(), mScrollPos.y(), 0));
+	trans.translate(-Vector3f(mScrollPos.x(), mScrollPos.y(), 0));
 	Renderer::setMatrix(trans);
 
 	GuiComponent::renderChildren(trans);
@@ -34,24 +34,24 @@ void ScrollableContainer::setAutoScroll(bool autoScroll)
 {
 	if(autoScroll)
 	{
-		mScrollDir << 0, 1;
+		mScrollDir = Vector2f(0, 1);
 		mAutoScrollDelay = AUTO_SCROLL_DELAY;
 		mAutoScrollSpeed = AUTO_SCROLL_SPEED;
 		reset();
 	}else{
-		mScrollDir << 0, 0;
+		mScrollDir = Vector2f(0, 0);
 		mAutoScrollDelay = 0;
 		mAutoScrollSpeed = 0;
 		mAutoScrollAccumulator = 0;
 	}
 }
 
-Eigen::Vector2f ScrollableContainer::getScrollPos() const
+Vector2f ScrollableContainer::getScrollPos() const
 {
 	return mScrollPos;
 }
 
-void ScrollableContainer::setScrollPos(const Eigen::Vector2f& pos)
+void ScrollableContainer::setScrollPos(const Vector2f& pos)
 {
 	mScrollPos = pos;
 }
@@ -77,7 +77,7 @@ void ScrollableContainer::update(int deltaTime)
 	if(mScrollPos.y() < 0)
 		mScrollPos[1] = 0;
 
-	const Eigen::Vector2f contentSize = getContentSize();
+	const Vector2f contentSize = getContentSize();
 	if(mScrollPos.x() + getSize().x() > contentSize.x())
 	{
 		mScrollPos[0] = contentSize.x() - getSize().x();
@@ -104,13 +104,13 @@ void ScrollableContainer::update(int deltaTime)
 }
 
 //this should probably return a box to allow for when controls don't start at 0,0
-Eigen::Vector2f ScrollableContainer::getContentSize()
+Vector2f ScrollableContainer::getContentSize()
 {
-	Eigen::Vector2f max(0, 0);
+	Vector2f max(0, 0);
 	for(unsigned int i = 0; i < mChildren.size(); i++)
 	{
-		Eigen::Vector2f pos(mChildren.at(i)->getPosition()[0], mChildren.at(i)->getPosition()[1]);
+		Vector2f pos(mChildren.at(i)->getPosition()[0], mChildren.at(i)->getPosition()[1]);
-		Eigen::Vector2f bottomRight = mChildren.at(i)->getSize() + pos;
+		Vector2f bottomRight = mChildren.at(i)->getSize() + pos;
 		if(bottomRight.x() > max.x())
 			max.x() = bottomRight.x();
 		if(bottomRight.y() > max.y())
@@ -122,7 +122,7 @@ Eigen::Vector2f ScrollableContainer::getContentSize()
 
 void ScrollableContainer::reset()
 {
-	mScrollPos << 0, 0;
+	mScrollPos = Vector2f(0, 0);
 	mAutoScrollResetAccumulator = 0;
 	mAutoScrollAccumulator = -mAutoScrollDelay + mAutoScrollSpeed;
 	mAtEnd = false;

es-core/src/components/ScrollableContainer.h

@@ -7,19 +7,19 @@ class ScrollableContainer : public GuiComponent
 public:
 	ScrollableContainer(Window* window);
 
-	Eigen::Vector2f getScrollPos() const;
+	Vector2f getScrollPos() const;
-	void setScrollPos(const Eigen::Vector2f& pos);
+	void setScrollPos(const Vector2f& pos);
 	void setAutoScroll(bool autoScroll);
 	void reset();
 
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 private:
-	Eigen::Vector2f getContentSize();
+	Vector2f getContentSize();
 
-	Eigen::Vector2f mScrollPos;
+	Vector2f mScrollPos;
-	Eigen::Vector2f mScrollDir;
+	Vector2f mScrollDir;
 	int mAutoScrollDelay; // ms to wait before starting to autoscroll
 	int mAutoScrollSpeed; // ms to wait before scrolling down by mScrollDir
 	int mAutoScrollAccumulator;

es-core/src/components/SliderComponent.cpp

@@ -61,9 +61,10 @@ void SliderComponent::update(int deltaTime)
 	GuiComponent::update(deltaTime);
 }
 
-void SliderComponent::render(const Eigen::Affine3f& parentTrans)
+void SliderComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = roundMatrix(parentTrans * getTransform());
+	Transform4x4f trans = parentTrans * getTransform();
+	trans.round();
 	Renderer::setMatrix(trans);
 
 	// render suffix
@@ -126,7 +127,7 @@ void SliderComponent::onValueChanged()
 		ss << mSuffix;
 		const std::string max = ss.str();
 
-		Eigen::Vector2f textSize = mFont->sizeText(max);
+		Vector2f textSize = mFont->sizeText(max);
 		mValueCache = std::shared_ptr<TextCache>(mFont->buildTextCache(val, mSize.x() - textSize.x(), (mSize.y() - textSize.y()) / 2, 0x777777FF));
 		mValueCache->metrics.size[0] = textSize.x(); // fudge the width
 	}

es-core/src/components/SliderComponent.h

@@ -18,7 +18,7 @@ public:
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 	
 	void onSizeChanged() override;
 	

es-core/src/components/SwitchComponent.cpp

@@ -27,9 +27,9 @@ bool SwitchComponent::input(InputConfig* config, Input input)
 	return false;
 }
 
-void SwitchComponent::render(const Eigen::Affine3f& parentTrans)
+void SwitchComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 	
 	mImage.render(trans);
 

es-core/src/components/SwitchComponent.h

@@ -11,7 +11,7 @@ public:
 	SwitchComponent(Window* window, bool state = false);
 
 	bool input(InputConfig* config, Input input) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 	void onSizeChanged() override;
 
 	bool getState() const;

es-core/src/components/TextComponent.cpp

@@ -15,7 +15,7 @@ TextComponent::TextComponent(Window* window) : GuiComponent(window),
 }
 
 TextComponent::TextComponent(Window* window, const std::string& text, const std::shared_ptr<Font>& font, unsigned int color, Alignment align,
-	Eigen::Vector3f pos, Eigen::Vector2f size, unsigned int bgcolor) : GuiComponent(window), 
+	Vector3f pos, Vector2f size, unsigned int bgcolor) : GuiComponent(window), 
 	mFont(NULL), mUppercase(false), mColor(0x000000FF), mAutoCalcExtent(true, true),
 	mHorizontalAlignment(align), mVerticalAlignment(ALIGN_CENTER), mLineSpacing(1.5f), mBgColor(0),
 	mRenderBackground(false)
@@ -30,7 +30,7 @@ TextComponent::TextComponent(Window* window, const std::string& text, const std:
 
 void TextComponent::onSizeChanged()
 {
-	mAutoCalcExtent << (getSize().x() == 0), (getSize().y() == 0);
+	mAutoCalcExtent = Vector2i((getSize().x() == 0), (getSize().y() == 0));
 	onTextChanged();
 }
 
@@ -95,9 +95,9 @@ void TextComponent::setUppercase(bool uppercase)
 	onTextChanged();
 }
 
-void TextComponent::render(const Eigen::Affine3f& parentTrans)
+void TextComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 
 	if (mRenderBackground)
 	{
@@ -107,7 +107,7 @@ void TextComponent::render(const Eigen::Affine3f& parentTrans)
 
 	if(mTextCache)
 	{
-		const Eigen::Vector2f& textSize = mTextCache->metrics.size;
+		const Vector2f& textSize = mTextCache->metrics.size;
 		float yOff;
 		switch(mVerticalAlignment)
 		{
@@ -121,7 +121,7 @@ void TextComponent::render(const Eigen::Affine3f& parentTrans)
 				yOff = (getSize().y() - textSize.y()) / 2.0f;
 				break;
 		}
-		Eigen::Vector3f off(0, yOff, 0);
+		Vector3f off(0, yOff, 0);
 
 		if(Settings::getInstance()->getBool("DebugText"))
 		{
@@ -131,7 +131,7 @@ void TextComponent::render(const Eigen::Affine3f& parentTrans)
 		}
 
 		trans.translate(off);
-		trans = roundMatrix(trans);
+		trans.round();
 		Renderer::setMatrix(trans);
 
 		// draw the text area, where the text actually is going
@@ -190,12 +190,12 @@ void TextComponent::onTextChanged()
 		addAbbrev = newline != std::string::npos;
 	}
 
-	Eigen::Vector2f size = f->sizeText(text);
+	Vector2f size = f->sizeText(text);
 	if(!isMultiline && mSize.x() && text.size() && (size.x() > mSize.x() || addAbbrev))
 	{
 		// abbreviate text
 		const std::string abbrev = "...";
-		Eigen::Vector2f abbrevSize = f->sizeText(abbrev);
+		Vector2f abbrevSize = f->sizeText(abbrev);
 
 		while(text.size() && size.x() + abbrevSize.x() > mSize.x())
 		{
@@ -206,9 +206,9 @@ void TextComponent::onTextChanged()
 
 		text.append(abbrev);
 
-		mTextCache = std::shared_ptr<TextCache>(f->buildTextCache(text, Eigen::Vector2f(0, 0), (mColor >> 8 << 8) | mOpacity, mSize.x(), mHorizontalAlignment, mLineSpacing));
+		mTextCache = std::shared_ptr<TextCache>(f->buildTextCache(text, Vector2f(0, 0), (mColor >> 8 << 8) | mOpacity, mSize.x(), mHorizontalAlignment, mLineSpacing));
 	}else{
-		mTextCache = std::shared_ptr<TextCache>(f->buildTextCache(f->wrapText(text, mSize.x()), Eigen::Vector2f(0, 0), (mColor >> 8 << 8) | mOpacity, mSize.x(), mHorizontalAlignment, mLineSpacing));
+		mTextCache = std::shared_ptr<TextCache>(f->buildTextCache(f->wrapText(text, mSize.x()), Vector2f(0, 0), (mColor >> 8 << 8) | mOpacity, mSize.x(), mHorizontalAlignment, mLineSpacing));
 	}
 }
 

es-core/src/components/TextComponent.h

@@ -16,7 +16,7 @@ class TextComponent : public GuiComponent
 public:
 	TextComponent(Window* window);
 	TextComponent(Window* window, const std::string& text, const std::shared_ptr<Font>& font, unsigned int color = 0x000000FF, Alignment align = ALIGN_LEFT,
-		Eigen::Vector3f pos = Eigen::Vector3f::Zero(), Eigen::Vector2f size = Eigen::Vector2f::Zero(), unsigned int bgcolor = 0x00000000);
+		Vector3f pos = Vector3f::Zero(), Vector2f size = Vector2f::Zero(), unsigned int bgcolor = 0x00000000);
 
 	void setFont(const std::shared_ptr<Font>& font);
 	void setUppercase(bool uppercase);
@@ -29,7 +29,7 @@ public:
 	void setBackgroundColor(unsigned int color);
 	void setRenderBackground(bool render);
 
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	std::string getValue() const override;
 	void setValue(const std::string& value) override;
@@ -55,7 +55,7 @@ private:
 
 	std::shared_ptr<Font> mFont;
 	bool mUppercase;
-	Eigen::Matrix<bool, 1, 2> mAutoCalcExtent;
+	Vector2i mAutoCalcExtent;
 	std::string mText;
 	std::shared_ptr<TextCache> mTextCache;
 	Alignment mHorizontalAlignment;

es-core/src/components/TextEditComponent.cpp

@@ -37,7 +37,7 @@ void TextEditComponent::onFocusLost()
 
 void TextEditComponent::onSizeChanged()
 {
-	mBox.fitTo(mSize, Eigen::Vector3f::Zero(), Eigen::Vector2f(-34, -32 - TEXT_PADDING_VERT));
+	mBox.fitTo(mSize, Vector3f::Zero(), Vector2f(-34, -32 - TEXT_PADDING_VERT));
 	onTextChanged(); // wrap point probably changed
 }
 
@@ -219,7 +219,7 @@ void TextEditComponent::onCursorChanged()
 {
 	if(isMultiline())
 	{
-		Eigen::Vector2f textSize = mFont->getWrappedTextCursorOffset(mText, getTextAreaSize().x(), mCursor); 
+		Vector2f textSize = mFont->getWrappedTextCursorOffset(mText, getTextAreaSize().x(), mCursor); 
 
 		if(mScrollOffset.y() + getTextAreaSize().y() < textSize.y() + mFont->getHeight()) //need to scroll down?
 		{
@@ -229,7 +229,7 @@ void TextEditComponent::onCursorChanged()
 			mScrollOffset[1] = textSize.y();
 		}
 	}else{
-		Eigen::Vector2f cursorPos = mFont->sizeText(mText.substr(0, mCursor));
+		Vector2f cursorPos = mFont->sizeText(mText.substr(0, mCursor));
 
 		if(mScrollOffset.x() + getTextAreaSize().x() < cursorPos.x())
 		{
@@ -241,22 +241,22 @@ void TextEditComponent::onCursorChanged()
 	}
 }
 
-void TextEditComponent::render(const Eigen::Affine3f& parentTrans)
+void TextEditComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = getTransform() * parentTrans;
+	Transform4x4f trans = getTransform() * parentTrans;
 	renderChildren(trans);
 
 	// text + cursor rendering
 	// offset into our "text area" (padding)
-	trans.translation() += Eigen::Vector3f(getTextAreaPos().x(), getTextAreaPos().y(), 0);
+	trans.translation() += Vector3f(getTextAreaPos().x(), getTextAreaPos().y(), 0);
 
-	Eigen::Vector2i clipPos((int)trans.translation().x(), (int)trans.translation().y());
+	Vector2i clipPos((int)trans.translation().x(), (int)trans.translation().y());
-	Eigen::Vector3f dimScaled = trans * Eigen::Vector3f(getTextAreaSize().x(), getTextAreaSize().y(), 0); // use "text area" size for clipping
+	Vector3f dimScaled = trans * Vector3f(getTextAreaSize().x(), getTextAreaSize().y(), 0); // use "text area" size for clipping
-	Eigen::Vector2i clipDim((int)dimScaled.x() - trans.translation().x(), (int)dimScaled.y() - trans.translation().y());
+	Vector2i clipDim((int)dimScaled.x() - trans.translation().x(), (int)dimScaled.y() - trans.translation().y());
 	Renderer::pushClipRect(clipPos, clipDim);
 
-	trans.translate(Eigen::Vector3f(-mScrollOffset.x(), -mScrollOffset.y(), 0));
+	trans.translate(Vector3f(-mScrollOffset.x(), -mScrollOffset.y(), 0));
-	trans = roundMatrix(trans);
+	trans.round();
 
 	Renderer::setMatrix(trans);
 
@@ -271,7 +271,7 @@ void TextEditComponent::render(const Eigen::Affine3f& parentTrans)
 	// draw cursor
 	if(mEditing)
 	{
-		Eigen::Vector2f cursorPos;
+		Vector2f cursorPos;
 		if(isMultiline())
 		{
 			cursorPos = mFont->getWrappedTextCursorOffset(mText, getTextAreaSize().x(), mCursor);
@@ -290,14 +290,14 @@ bool TextEditComponent::isMultiline()
 	return (getSize().y() > mFont->getHeight() * 1.25f);
 }
 
-Eigen::Vector2f TextEditComponent::getTextAreaPos() const
+Vector2f TextEditComponent::getTextAreaPos() const
 {
-	return Eigen::Vector2f(TEXT_PADDING_HORIZ / 2.0f, TEXT_PADDING_VERT / 2.0f);
+	return Vector2f(TEXT_PADDING_HORIZ / 2.0f, TEXT_PADDING_VERT / 2.0f);
 }
 
-Eigen::Vector2f TextEditComponent::getTextAreaSize() const
+Vector2f TextEditComponent::getTextAreaSize() const
 {
-	return Eigen::Vector2f(mSize.x() - TEXT_PADDING_HORIZ, mSize.y() - TEXT_PADDING_VERT);
+	return Vector2f(mSize.x() - TEXT_PADDING_HORIZ, mSize.y() - TEXT_PADDING_VERT);
 }
 
 std::vector<HelpPrompt> TextEditComponent::getHelpPrompts()

es-core/src/components/TextEditComponent.h

@@ -15,7 +15,7 @@ public:
 	void textInput(const char* text) override;
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	void onFocusGained() override;
 	void onFocusLost() override;
@@ -43,8 +43,8 @@ private:
 	void moveCursor(int amt);
 
 	bool isMultiline();
-	Eigen::Vector2f getTextAreaPos() const;
+	Vector2f getTextAreaPos() const;
-	Eigen::Vector2f getTextAreaSize() const;
+	Vector2f getTextAreaSize() const;
 
 	std::string mText;
 	bool mFocused;
@@ -54,7 +54,7 @@ private:
 	int mCursorRepeatTimer;
 	int mCursorRepeatDir;
 
-	Eigen::Vector2f mScrollOffset;
+	Vector2f mScrollOffset;
 
 	NinePatchComponent mBox;
 

es-core/src/components/VideoComponent.cpp

@@ -153,9 +153,9 @@ void VideoComponent::setOpacity(unsigned char opacity)
 	mStaticImage.setOpacity(opacity);
 }
 
-void VideoComponent::render(const Eigen::Affine3f& parentTrans)
+void VideoComponent::render(const Transform4x4f& parentTrans)
 {
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 	GuiComponent::renderChildren(trans);
 
 	Renderer::setMatrix(trans);
@@ -167,7 +167,7 @@ void VideoComponent::render(const Eigen::Affine3f& parentTrans)
 	handleLooping();
 }
 
-void VideoComponent::renderSnapshot(const Eigen::Affine3f& parentTrans)
+void VideoComponent::renderSnapshot(const Transform4x4f& parentTrans)
 {
 	// This is the case where the video is not currently being displayed. Work out
 	// if we need to display a static image
@@ -189,26 +189,26 @@ void VideoComponent::applyTheme(const std::shared_ptr<ThemeData>& theme, const s
 		return;
 	}
 
-	Eigen::Vector2f scale = getParent() ? getParent()->getSize() : Eigen::Vector2f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
+	Vector2f scale = getParent() ? getParent()->getSize() : Vector2f((float)Renderer::getScreenWidth(), (float)Renderer::getScreenHeight());
 
 	if ((properties & POSITION) && elem->has("pos"))
 	{
-		Eigen::Vector2f denormalized = elem->get<Eigen::Vector2f>("pos").cwiseProduct(scale);
+		Vector2f denormalized = elem->get<Vector2f>("pos") * scale;
-		setPosition(Eigen::Vector3f(denormalized.x(), denormalized.y(), 0));
+		setPosition(Vector3f(denormalized.x(), denormalized.y(), 0));
-		mStaticImage.setPosition(Eigen::Vector3f(denormalized.x(), denormalized.y(), 0));
+		mStaticImage.setPosition(Vector3f(denormalized.x(), denormalized.y(), 0));
 	}
 
 	if(properties & ThemeFlags::SIZE)
 	{
 		if(elem->has("size"))
-			setResize(elem->get<Eigen::Vector2f>("size").cwiseProduct(scale));
+			setResize(elem->get<Vector2f>("size") * scale);
 		else if(elem->has("maxSize"))
-			setMaxSize(elem->get<Eigen::Vector2f>("maxSize").cwiseProduct(scale));
+			setMaxSize(elem->get<Vector2f>("maxSize") * scale);
 	}
 
 	// position + size also implies origin
 	if (((properties & ORIGIN) || ((properties & POSITION) && (properties & ThemeFlags::SIZE))) && elem->has("origin"))
-		setOrigin(elem->get<Eigen::Vector2f>("origin"));
+		setOrigin(elem->get<Vector2f>("origin"));
 
 	if(elem->has("default"))
 		mConfig.defaultVideoPath = elem->get<std::string>("default");
@@ -226,7 +226,7 @@ void VideoComponent::applyTheme(const std::shared_ptr<ThemeData>& theme, const s
 		if(elem->has("rotation"))
 			setRotationDegrees(elem->get<float>("rotation"));
 		if(elem->has("rotationOrigin"))
-			setRotationOrigin(elem->get<Eigen::Vector2f>("rotationOrigin"));
+			setRotationOrigin(elem->get<Vector2f>("rotationOrigin"));
 	}
 
 	if(properties & ThemeFlags::Z_INDEX && elem->has("zIndex"))

es-core/src/components/VideoComponent.h

@@ -52,8 +52,8 @@ public:
 	void onSizeChanged() override;
 	void setOpacity(unsigned char opacity) override;
 
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
-	void renderSnapshot(const Eigen::Affine3f& parentTrans);
+	void renderSnapshot(const Transform4x4f& parentTrans);
 
 	virtual void applyTheme(const std::shared_ptr<ThemeData>& theme, const std::string& view, const std::string& element, unsigned int properties) override;
 
@@ -66,13 +66,13 @@ public:
 	// Can be set before or after a video is loaded.
 	// setMaxSize() and setResize() are mutually exclusive.
 	virtual void setResize(float width, float height) = 0;
-	inline void setResize(const Eigen::Vector2f& size) { setResize(size.x(), size.y()); }
+	inline void setResize(const Vector2f& size) { setResize(size.x(), size.y()); }
 
 	// Resize the video to be as large as possible but fit within a box of this size.
 	// Can be set before or after a video is loaded.
 	// Never breaks the aspect ratio. setMaxSize() and setResize() are mutually exclusive.
 	virtual void setMaxSize(float width, float height) = 0;
-	inline void setMaxSize(const Eigen::Vector2f& size) { setMaxSize(size.x(), size.y()); }
+	inline void setMaxSize(const Vector2f& size) { setMaxSize(size.x(), size.y()); }
 
 private:
 	// Start the video Immediately
@@ -94,7 +94,7 @@ private:
 protected:
 	unsigned						mVideoWidth;
 	unsigned						mVideoHeight;
-	Eigen::Vector2f					mTargetSize;
+	Vector2f					mTargetSize;
 	std::shared_ptr<TextureResource> mTexture;
 	float							mFadeIn;
 	std::string						mStaticImagePath;

es-core/src/components/VideoPlayerComponent.cpp

@@ -32,7 +32,7 @@ VideoPlayerComponent::~VideoPlayerComponent()
 	stopVideo();
 }
 
-void VideoPlayerComponent::render(const Eigen::Affine3f& parentTrans)
+void VideoPlayerComponent::render(const Transform4x4f& parentTrans)
 {
 	VideoComponent::render(parentTrans);
 

es-core/src/components/VideoPlayerComponent.h

@@ -15,7 +15,7 @@ public:
 	VideoPlayerComponent(Window* window, std::string path);
 	virtual ~VideoPlayerComponent();
 
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 	// Resize the video to fit this size. If one axis is zero, scale that axis to maintain aspect ratio.
 	// If both are non-zero, potentially break the aspect ratio.  If both are zero, no resizing.

es-core/src/components/VideoVlcComponent.cpp

@@ -52,7 +52,7 @@ VideoVlcComponent::~VideoVlcComponent()
 
 void VideoVlcComponent::setResize(float width, float height)
 {
-	mTargetSize << width, height;
+	mTargetSize = Vector2f(width, height);
 	mTargetIsMax = false;
 	mStaticImage.setResize(width, height);
 	resize();
@@ -60,7 +60,7 @@ void VideoVlcComponent::setResize(float width, float height)
 
 void VideoVlcComponent::setMaxSize(float width, float height)
 {
-	mTargetSize << width, height;
+	mTargetSize = Vector2f(width, height);
 	mTargetIsMax = true;
 	mStaticImage.setMaxSize(width, height);
 	resize();
@@ -71,9 +71,9 @@ void VideoVlcComponent::resize()
 	if(!mTexture)
 		return;
 
-	const Eigen::Vector2f textureSize(mVideoWidth, mVideoHeight);
+	const Vector2f textureSize(mVideoWidth, mVideoHeight);
 
-	if(textureSize.isZero())
+	if(textureSize == Vector2f::Zero())
 		return;
 
 		// SVG rasterization is determined by height (see SVGResource.cpp), and rasterization is done in terms of pixels
@@ -87,7 +87,7 @@ void VideoVlcComponent::resize()
 
 			mSize = textureSize;
 
-			Eigen::Vector2f resizeScale((mTargetSize.x() / mSize.x()), (mTargetSize.y() / mSize.y()));
+			Vector2f resizeScale((mTargetSize.x() / mSize.x()), (mTargetSize.y() / mSize.y()));
 
 			if(resizeScale.x() < resizeScale.y())
 			{
@@ -105,7 +105,7 @@ void VideoVlcComponent::resize()
 		}else{
 			// if both components are set, we just stretch
 			// if no components are set, we don't resize at all
-			mSize = mTargetSize.isZero() ? textureSize : mTargetSize;
+			mSize = mTargetSize == Vector2f::Zero() ? textureSize : mTargetSize;
 
 			// if only one component is set, we resize in a way that maintains aspect ratio
 			// for SVG rasterization, we always calculate width from rounded height (see comment above)
@@ -126,12 +126,12 @@ void VideoVlcComponent::resize()
 	onSizeChanged();
 }
 
-void VideoVlcComponent::render(const Eigen::Affine3f& parentTrans)
+void VideoVlcComponent::render(const Transform4x4f& parentTrans)
 {
 	VideoComponent::render(parentTrans);
 	float x, y;
 
-	Eigen::Affine3f trans = parentTrans * getTransform();
+	Transform4x4f trans = parentTrans * getTransform();
 	GuiComponent::renderChildren(trans);
 
 	Renderer::setMatrix(trans);
@@ -151,9 +151,9 @@ void VideoVlcComponent::render(const Eigen::Affine3f& parentTrans)
 		// Define a structure to contain the data for each vertex
 		struct Vertex
 		{
-			Eigen::Vector2f pos;
+			Vector2f pos;
-			Eigen::Vector2f tex;
+			Vector2f tex;
-			Eigen::Vector4f colour;
+			Vector4f colour;
 		} vertices[6];
 
 		// We need two triangles to cover the rectangular area
@@ -315,7 +315,7 @@ void VideoVlcComponent::startVideo()
 					{
 						if(!Settings::getInstance()->getBool("CaptionsCompatibility")) {
 
-							Eigen::Vector2f resizeScale((Renderer::getScreenWidth() / mVideoWidth), (Renderer::getScreenHeight() / mVideoHeight));
+							Vector2f resizeScale((Renderer::getScreenWidth() / mVideoWidth), (Renderer::getScreenHeight() / mVideoHeight));
 
 							if(resizeScale.x() < resizeScale.y())
 							{

es-core/src/components/VideoVlcComponent.h

@@ -32,7 +32,7 @@ public:
 	VideoVlcComponent(Window* window, std::string subtitles);
 	virtual ~VideoVlcComponent();
 
-	void render(const Eigen::Affine3f& parentTrans) override;
+	void render(const Transform4x4f& parentTrans) override;
 
 
 	// Resize the video to fit this size. If one axis is zero, scale that axis to maintain aspect ratio.

es-core/src/guis/GuiDetectDevice.cpp

@@ -14,8 +14,6 @@
 
 #define HOLD_TIME 1000
 
-using namespace Eigen;
-
 namespace fs = boost::filesystem;
 
 GuiDetectDevice::GuiDetectDevice(Window* window, bool firstRun, const std::function<void()>& doneCallback) : GuiComponent(window), mFirstRun(firstRun), 

es-core/src/guis/GuiInputConfig.cpp

@@ -133,8 +133,6 @@ static const char* inputIcon[inputCount] =
 //MasterVolUp and MasterVolDown are also hooked up, but do not appear on this screen.
 //If you want, you can manually add them to es_input.cfg.
 
-using namespace Eigen;
-
 #define HOLD_TO_SKIP_MS 1000
 
 GuiInputConfig::GuiInputConfig(Window* window, InputConfig* target, bool reconfigureAll, const std::function<void()>& okCallback) : GuiComponent(window), 

es-core/src/guis/GuiMsgBox.cpp

@@ -12,13 +12,13 @@ GuiMsgBox::GuiMsgBox(Window* window, const std::string& text,
 	const std::string& name1, const std::function<void()>& func1,
 	const std::string& name2, const std::function<void()>& func2, 
 	const std::string& name3, const std::function<void()>& func3) : GuiComponent(window), 
-	mBackground(window, ":/frame.png"), mGrid(window, Eigen::Vector2i(1, 2))
+	mBackground(window, ":/frame.png"), mGrid(window, Vector2i(1, 2))
 {
 	float width = Renderer::getScreenWidth() * 0.6f; // max width
 	float minWidth = Renderer::getScreenWidth() * 0.3f; // minimum width
 
 	mMsg = std::make_shared<TextComponent>(mWindow, text, Font::get(FONT_SIZE_MEDIUM), 0x777777FF, ALIGN_CENTER);
-	mGrid.setEntry(mMsg, Eigen::Vector2i(0, 0), false, false);
+	mGrid.setEntry(mMsg, Vector2i(0, 0), false, false);
 
 	// create the buttons
 	mButtons.push_back(std::make_shared<ButtonComponent>(mWindow, name1, name1, std::bind(&GuiMsgBox::deleteMeAndCall, this, func1)));
@@ -44,7 +44,7 @@ GuiMsgBox::GuiMsgBox(Window* window, const std::string& text,
 
 	// put the buttons into a ComponentGrid
 	mButtonGrid = makeButtonGrid(mWindow, mButtons);
-	mGrid.setEntry(mButtonGrid, Eigen::Vector2i(0, 1), true, false, Eigen::Vector2i(1, 1), GridFlags::BORDER_TOP);
+	mGrid.setEntry(mButtonGrid, Vector2i(0, 1), true, false, Vector2i(1, 1), GridFlags::BORDER_TOP);
 
 	// decide final width
 	if(mMsg->getSize().x() < width && mButtonGrid->getSize().x() < width)
@@ -94,7 +94,7 @@ void GuiMsgBox::onSizeChanged()
 	mMsg->setSize(mSize.x() - HORIZONTAL_PADDING_PX*2, mGrid.getRowHeight(0));
 	mGrid.onSizeChanged();
 
-	mBackground.fitTo(mSize, Eigen::Vector3f::Zero(), Eigen::Vector2f(-32, -32));
+	mBackground.fitTo(mSize, Vector3f::Zero(), Vector2f(-32, -32));
 }
 
 void GuiMsgBox::deleteMeAndCall(const std::function<void()>& func)

es-core/src/guis/GuiTextEditPopup.cpp

@@ -1,8 +1,6 @@
 #include "guis/GuiTextEditPopup.h"
 #include "components/MenuComponent.h"
 
-using namespace Eigen;
-
 GuiTextEditPopup::GuiTextEditPopup(Window* window, const std::string& title, const std::string& initValue, 
 	const std::function<void(const std::string&)>& okCallback, bool multiLine, const char* acceptBtnText)
 	: GuiComponent(window), mBackground(window, ":/frame.png"), mGrid(window, Vector2i(1, 3)), mMultiLine(multiLine)
@@ -39,7 +37,7 @@ GuiTextEditPopup::GuiTextEditPopup(Window* window, const std::string& title, con
 
 void GuiTextEditPopup::onSizeChanged()
 {
-	mBackground.fitTo(mSize, Eigen::Vector3f::Zero(), Eigen::Vector2f(-32, -32));
+	mBackground.fitTo(mSize, Vector3f::Zero(), Vector2f(-32, -32));
 
 	mText->setSize(mSize.x() - 40, mText->getSize().y());
 

es-core/src/math/Matrix3x3f.h

@@ -0,0 +1,77 @@
+#ifndef _MATRIX3X3F_H_
+#define _MATRIX3X3F_H_
+
+#include <assert.h>
+#include <math/Vector3f.h>
+
+class Matrix3x3f
+{
+public:
+
+	Matrix3x3f()                                                                                       { }
+	Matrix3x3f(const Vector3f& r0, const Vector3f& r1, const Vector3f& r2) : mR0(r0), mR1(r1), mR2(r2) { }
+
+	const bool operator==(const Matrix3x3f& other) const { return ((mR0 == other.mR0) && (mR1 == other.mR1) && (mR2 == other.mR2)); }
+	const bool operator!=(const Matrix3x3f& other) const { return ((mR0 != other.mR0) || (mR1 != other.mR1) || (mR2 != other.mR2)); }
+
+	const Matrix3x3f operator*(const Matrix3x3f& other) const
+	{
+		const float* tm = (float*)this;
+		const float* om = (float*)&other;
+
+		return
+		{
+			{
+				tm[0] * om[0] + tm[1] * om[3] + tm[2] * om[6],
+				tm[0] * om[1] + tm[1] * om[4] + tm[2] * om[7],
+				tm[0] * om[2] + tm[1] * om[5] + tm[2] * om[8]
+			},
+			{
+				tm[3] * om[0] + tm[4] * om[3] + tm[5] * om[6],
+				tm[3] * om[1] + tm[4] * om[4] + tm[5] * om[7],
+				tm[3] * om[2] + tm[4] * om[5] + tm[5] * om[8]
+			},
+			{
+				tm[6] * om[0] + tm[7] * om[3] + tm[8] * om[6],
+				tm[6] * om[1] + tm[7] * om[4] + tm[8] * om[7],
+				tm[6] * om[2] + tm[7] * om[5] + tm[8] * om[8]
+			}
+		};
+	}
+
+	const Vector3f operator*(const Vector3f& other) const
+	{
+		const float* tm = (float*)this;
+		const float* ov = (float*)&other;
+
+		return
+		{
+			tm[0] * ov[0] + tm[3] * ov[1] + tm[6] * ov[2],
+			tm[1] * ov[0] + tm[4] * ov[1] + tm[7] * ov[2],
+			tm[2] * ov[0] + tm[5] * ov[1] + tm[8] * ov[2]
+		};
+	}
+
+	Matrix3x3f& operator*=(const Matrix3x3f& other) { *this = *this * other; return *this; }
+
+	      float& operator[](const int index)       { assert(index < 9 && "index out of range"); return ((float*)&mR0)[index]; }
+	const float& operator[](const int index) const { assert(index < 9 && "index out of range"); return ((float*)&mR0)[index]; }
+
+	      Vector3f& r0()       { return mR0; }
+	      Vector3f& r1()       { return mR1; }
+	      Vector3f& r2()       { return mR2; }
+	const Vector3f& r0() const { return mR0; }
+	const Vector3f& r1() const { return mR1; }
+	const Vector3f& r2() const { return mR2; }
+
+	static const Matrix3x3f Identity() { return { { 1, 0, 0 }, { 0, 1, 0 }, { 0, 0, 1 } }; }
+
+protected:
+
+	Vector3f mR0;
+	Vector3f mR1;
+	Vector3f mR2;
+
+};
+
+#endif

es-core/src/math/Matrix4x4f.h

@@ -0,0 +1,179 @@
+#ifndef _MATRIX4X4F_H_
+#define _MATRIX4X4F_H_
+
+#include <assert.h>
+#include <math/Matrix3x3f.h>
+#include <math/Vector4f.h>
+
+class Matrix4x4f
+{
+public:
+
+	friend class Transform4x4f;
+
+	Matrix4x4f()                                                                                                                    { }
+	Matrix4x4f(const Vector4f& r0, const Vector4f& r1, const Vector4f& r2, const Vector4f& r3) : mR0(r0), mR1(r1), mR2(r2), mR3(r3) { }
+
+	const bool operator==(const Matrix4x4f& other) const { return ((mR0 == other.mR0) && (mR1 == other.mR1) && (mR2 == other.mR2) && (mR3 == other.mR3)); }
+	const bool operator!=(const Matrix4x4f& other) const { return ((mR0 != other.mR0) || (mR1 != other.mR1) || (mR2 != other.mR2) || (mR3 != other.mR3)); }
+
+	const Matrix4x4f operator*(const Matrix4x4f& other) const
+	{
+		const float* tm = (float*)this;
+		const float* om = (float*)&other;
+
+		return
+		{
+			{
+				tm[ 0] * om[ 0] + tm[ 1] * om[ 4] + tm[ 2] * om[ 8] + tm[ 3] * om[12],
+				tm[ 0] * om[ 1] + tm[ 1] * om[ 5] + tm[ 2] * om[ 9] + tm[ 3] * om[13],
+				tm[ 0] * om[ 2] + tm[ 1] * om[ 6] + tm[ 2] * om[10] + tm[ 3] * om[14],
+				tm[ 0] * om[ 3] + tm[ 1] * om[ 7] + tm[ 2] * om[11] + tm[ 3] * om[15]
+			},
+			{
+				tm[ 4] * om[ 0] + tm[ 5] * om[ 4] + tm[ 6] * om[ 8] + tm[ 7] * om[12],
+				tm[ 4] * om[ 1] + tm[ 5] * om[ 5] + tm[ 6] * om[ 9] + tm[ 7] * om[13],
+				tm[ 4] * om[ 2] + tm[ 5] * om[ 6] + tm[ 6] * om[10] + tm[ 7] * om[14],
+				tm[ 4] * om[ 3] + tm[ 5] * om[ 7] + tm[ 6] * om[11] + tm[ 7] * om[15]
+			},
+			{
+				tm[ 8] * om[ 0] + tm[ 9] * om[ 4] + tm[10] * om[ 8] + tm[11] * om[12],
+				tm[ 8] * om[ 1] + tm[ 9] * om[ 5] + tm[10] * om[ 9] + tm[11] * om[13],
+				tm[ 8] * om[ 2] + tm[ 9] * om[ 6] + tm[10] * om[10] + tm[11] * om[14],
+				tm[ 8] * om[ 3] + tm[ 9] * om[ 7] + tm[10] * om[11] + tm[11] * om[15]
+			},
+			{
+				tm[12] * om[ 0] + tm[13] * om[ 4] + tm[14] * om[ 8] + tm[15] * om[12],
+				tm[12] * om[ 1] + tm[13] * om[ 5] + tm[14] * om[ 9] + tm[15] * om[13],
+				tm[12] * om[ 2] + tm[13] * om[ 6] + tm[14] * om[10] + tm[15] * om[14],
+				tm[12] * om[ 3] + tm[13] * om[ 7] + tm[14] * om[11] + tm[15] * om[15]
+			}
+		};
+	}
+
+	const Matrix4x4f operator*(const Matrix3x3f& other) const
+	{
+		const float* tm = (float*)this;
+		const float* om = (float*)&other;
+
+		return
+		{
+			{
+				tm[ 0] * om[0] + tm[ 1] * om[3] + tm[ 2] * om[6],
+				tm[ 0] * om[1] + tm[ 1] * om[4] + tm[ 2] * om[7],
+				tm[ 0] * om[2] + tm[ 1] * om[5] + tm[ 2] * om[8],
+				tm[ 3]
+			},
+			{
+				tm[ 4] * om[0] + tm[ 5] * om[3] + tm[ 6] * om[6],
+				tm[ 4] * om[1] + tm[ 5] * om[4] + tm[ 6] * om[7],
+				tm[ 4] * om[2] + tm[ 5] * om[5] + tm[ 6] * om[8],
+				tm[ 7]
+			},
+			{
+				tm[ 8] * om[0] + tm[ 9] * om[3] + tm[10] * om[6],
+				tm[ 8] * om[1] + tm[ 9] * om[4] + tm[10] * om[7],
+				tm[ 8] * om[2] + tm[ 9] * om[5] + tm[10] * om[8],
+				tm[11]
+			},
+			{
+				tm[12],
+				tm[13],
+				tm[14],
+				tm[15]
+			}
+		};
+	}
+
+	Matrix4x4f& operator*=(const Matrix4x4f& other) { *this = *this * other; return *this; }
+	Matrix4x4f& operator*=(const Matrix3x3f& other) { *this = *this * other; return *this; }
+
+	      float& operator[](const int index)       { assert(index < 16 && "index out of range"); return ((float*)&mR0)[index]; }
+	const float& operator[](const int index) const { assert(index < 16 && "index out of range"); return ((float*)&mR0)[index]; }
+
+	      Vector4f& r0()       { return mR0; }
+	      Vector4f& r1()       { return mR1; }
+	      Vector4f& r2()       { return mR2; }
+	      Vector4f& r3()       { return mR3; }
+	const Vector4f& r0() const { return mR0; }
+	const Vector4f& r1() const { return mR1; }
+	const Vector4f& r2() const { return mR2; }
+	const Vector4f& r3() const { return mR3; }
+
+	Matrix4x4f& invert(const Matrix4x4f& other)
+	{
+		auto Determinant2x2 = [=](const float x1, const float x2,
+		                          const float y1, const float y2)
+		{
+			return x1 * y2 - x2 * y1;
+		};
+
+		auto Determinant3x3 = [=](const float x1, const float x2, const float x3,
+		                          const float y1, const float y2, const float y3,
+		                          const float z1, const float z2, const float z3)
+		{
+			return x1 * Determinant2x2(y2, y3, z2, z3) -
+			       y1 * Determinant2x2(x2, x3, z2, z3) +
+			       z1 * Determinant2x2(x2, x3, y2, y3);
+		};
+
+		float*       tm = (float*)this;
+		const float* om = (float*)&other;
+
+		tm[ 0] =  Determinant3x3(om[ 5], om[ 6], om[ 7], om[ 9], om[10], om[11], om[13], om[14], om[15]);
+		tm[ 1] = -Determinant3x3(om[ 1], om[ 2], om[ 3], om[ 9], om[10], om[11], om[13], om[14], om[15]);
+		tm[ 2] =  Determinant3x3(om[ 1], om[ 2], om[ 3], om[ 5], om[ 6], om[ 7], om[13], om[14], om[15]);
+		tm[ 3] = -Determinant3x3(om[ 1], om[ 2], om[ 3], om[ 5], om[ 6], om[ 7], om[ 9], om[10], om[11]);
+		tm[ 4] = -Determinant3x3(om[ 4], om[ 6], om[ 7], om[ 8], om[10], om[11], om[12], om[14], om[15]);
+		tm[ 5] =  Determinant3x3(om[ 0], om[ 2], om[ 3], om[ 8], om[10], om[11], om[12], om[14], om[15]);
+		tm[ 6] = -Determinant3x3(om[ 0], om[ 2], om[ 3], om[ 4], om[ 6], om[ 7], om[12], om[14], om[15]);
+		tm[ 7] =  Determinant3x3(om[ 0], om[ 2], om[ 3], om[ 4], om[ 6], om[ 7], om[ 8], om[10], om[11]);
+		tm[ 8] =  Determinant3x3(om[ 4], om[ 5], om[ 7], om[ 8], om[ 9], om[11], om[12], om[13], om[15]);
+		tm[ 9] = -Determinant3x3(om[ 0], om[ 1], om[ 3], om[ 8], om[ 9], om[11], om[12], om[13], om[15]);
+		tm[10] =  Determinant3x3(om[ 0], om[ 1], om[ 3], om[ 4], om[ 5], om[ 7], om[12], om[13], om[15]);
+		tm[11] = -Determinant3x3(om[ 0], om[ 1], om[ 3], om[ 4], om[ 5], om[ 7], om[ 8], om[ 9], om[11]);
+		tm[12] = -Determinant3x3(om[ 4], om[ 5], om[ 6], om[ 8], om[ 9], om[10], om[12], om[13], om[14]);
+		tm[13] =  Determinant3x3(om[ 0], om[ 1], om[ 2], om[ 8], om[ 9], om[10], om[12], om[13], om[14]);
+		tm[14] = -Determinant3x3(om[ 0], om[ 1], om[ 2], om[ 4], om[ 5], om[ 6], om[12], om[13], om[14]);
+		tm[15] =  Determinant3x3(om[ 0], om[ 1], om[ 2], om[ 4], om[ 5], om[ 6], om[ 8], om[ 9], om[10]);
+
+		float Determinant = om[ 0] * tm[ 0] +
+		                    om[ 4] * tm[ 1] +
+		                    om[ 8] * tm[ 2] +
+		                    om[12] * tm[ 3];
+
+		if(Determinant != 0)
+			Determinant = 1 / Determinant;
+
+		mR0 *= Determinant;
+		mR1 *= Determinant;
+		mR2 *= Determinant;
+		mR3 *= Determinant;
+
+		return *this;
+	}
+
+	Matrix4x4f& invert()
+	{
+		return invert(Matrix4x4f(*this));
+	}
+
+	Matrix4x4f inverse()
+	{
+		Matrix4x4f m;
+		m.invert(*this);
+		return m;
+	}
+
+	static const Matrix4x4f Identity() { return { { 1, 0, 0, 0 }, { 0, 1, 0, 0 }, { 0, 0, 1, 0 }, { 0, 0, 0, 1 } }; }
+
+protected:
+
+	Vector4f mR0;
+	Vector4f mR1;
+	Vector4f mR2;
+	Vector4f mR3;
+
+};
+
+#endif

es-core/src/math/Rotation3x3f.h

@@ -0,0 +1,39 @@
+#ifndef _ROTATION3X3F_H_
+#define _ROTATION3X3F_H_
+
+class Rotation3x3f : public Matrix3x3f
+{
+public:
+
+	Rotation3x3f(const float angle, const Vector3f& axis)
+	{
+		float*       tm = (float*)this;
+		const float* av = (float*)&axis;
+
+		const float	s  = sin(-angle);
+		const float	c  = cos(-angle);
+		const float	t  = 1 - c;
+		const float	x  = av[0];
+		const float	y  = av[1];
+		const float	z  = av[2];
+		const float	tx = t * x;
+		const float	ty = t * y;
+		const float	tz = t * z;
+		const float	sx = s * x;
+		const float	sy = s * y;
+		const float	sz = s * z;
+
+		tm[0] = tx * x + c;
+		tm[1] = tx * y - sz;
+		tm[2] = tx * z + sy;
+		tm[3] = ty * x + sz;
+		tm[4] = ty * y + c;
+		tm[5] = ty * z - sy;
+		tm[6] = tz * x - sy;
+		tm[7] = tz * y + sx;
+		tm[8] = tz * z + c;
+	};
+
+};
+
+#endif

es-core/src/math/Scale3x3f.h

@@ -0,0 +1,26 @@
+#ifndef _SCALE3X3F_H_
+#define _SCALE3X3F_H_
+
+class Scale3x3f : public Matrix3x3f
+{
+public:
+
+	Scale3x3f(const Vector3f& scale)
+	{
+		float*       tm = (float*)this;
+		const float* sv = (float*)&scale;
+
+		tm[0] = sv[0];
+		tm[1] = 0;
+		tm[2] = 0;
+		tm[3] = 0;
+		tm[4] = sv[1];
+		tm[5] = 0;
+		tm[6] = 0;
+		tm[7] = 0;
+		tm[8] = sv[2];
+	};
+
+};
+
+#endif

es-core/src/math/Transform4x4f.h

@@ -0,0 +1,126 @@
+#ifndef _TRANSFORM4X4F_H_
+#define _TRANSFORM4X4F_H_
+
+#include <math/Matrix4x4f.h>
+#include <math/Vector3f.h>
+
+class Transform4x4f : public Matrix4x4f
+{
+public:
+
+	Transform4x4f()                                                                                                            { }
+	Transform4x4f(const Matrix4x4f& m)                                                            : Matrix4x4f(m)              { }
+	Transform4x4f(const Vector4f& r0, const Vector4f& r1, const Vector4f& r2, const Vector4f& r3) : Matrix4x4f(r0, r1, r2, r3) { }
+
+	const Transform4x4f operator*(const Matrix4x4f& other) const
+	{
+		const float* tm = (float*)this;
+		const float* om = (float*)&other;
+
+		return
+		{
+			{
+				tm[ 0] * om[ 0] + tm[ 1] * om[ 4] + tm[ 2] * om[ 8],
+				tm[ 0] * om[ 1] + tm[ 1] * om[ 5] + tm[ 2] * om[ 9],
+				tm[ 0] * om[ 2] + tm[ 1] * om[ 6] + tm[ 2] * om[10],
+				0
+			},
+			{
+				tm[ 4] * om[ 0] + tm[ 5] * om[ 4] + tm[ 6] * om[ 8],
+				tm[ 4] * om[ 1] + tm[ 5] * om[ 5] + tm[ 6] * om[ 9],
+				tm[ 4] * om[ 2] + tm[ 5] * om[ 6] + tm[ 6] * om[10],
+				0
+			},
+			{
+				tm[ 8] * om[ 0] + tm[ 9] * om[ 4] + tm[10] * om[ 8],
+				tm[ 8] * om[ 1] + tm[ 9] * om[ 5] + tm[10] * om[ 9],
+				tm[ 8] * om[ 2] + tm[ 9] * om[ 6] + tm[10] * om[10],
+				0
+			},
+			{
+				tm[ 0] * om[12] + tm[ 4] * om[13] + tm[ 8] * om[14] + tm[12],
+				tm[ 1] * om[12] + tm[ 5] * om[13] + tm[ 9] * om[14] + tm[13],
+				tm[ 2] * om[12] + tm[ 6] * om[13] + tm[10] * om[14] + tm[14],
+				1
+			}
+		};
+	}
+
+	const Transform4x4f operator*(const Matrix3x3f& other) const
+	{
+		const float* tm = (float*)this;
+		const float* om = (float*)&other;
+
+		return
+		{
+			{
+				tm[ 0] * om[0] + tm[ 1] * om[3] + tm[ 2] * om[6],
+				tm[ 0] * om[1] + tm[ 1] * om[4] + tm[ 2] * om[7],
+				tm[ 0] * om[2] + tm[ 1] * om[5] + tm[ 2] * om[8],
+				0
+			},
+			{
+				tm[ 4] * om[0] + tm[ 5] * om[3] + tm[ 6] * om[6],
+				tm[ 4] * om[1] + tm[ 5] * om[4] + tm[ 6] * om[7],
+				tm[ 4] * om[2] + tm[ 5] * om[5] + tm[ 6] * om[8],
+				0
+			},
+			{
+				tm[ 8] * om[0] + tm[ 9] * om[3] + tm[10] * om[6],
+				tm[ 8] * om[1] + tm[ 9] * om[4] + tm[10] * om[7],
+				tm[ 8] * om[2] + tm[ 9] * om[5] + tm[10] * om[8],
+				0
+			},
+			{
+				tm[12],
+				tm[13],
+				tm[14],
+				1
+			}
+		};
+	}
+
+	const Vector3f operator*(const Vector3f& other) const
+	{
+		const float* tm = (float*)this;
+		const float* ov = (float*)&other;
+
+		return
+		{
+			tm[ 0] * ov[0] + tm[ 4] * ov[1] + tm[ 8] * ov[2] + tm[12],
+			tm[ 1] * ov[0] + tm[ 5] * ov[1] + tm[ 9] * ov[2] + tm[13],
+			tm[ 2] * ov[0] + tm[ 6] * ov[1] + tm[10] * ov[2] + tm[14]
+		};
+	}
+
+	Transform4x4f& operator*=(const Matrix4x4f& other) { *this = *this * other; return *this; }
+	Transform4x4f& operator*=(const Matrix3x3f& other) { *this = *this * other; return *this; }
+
+	inline       Vector3f& translation()       { return mR3.v3(); }
+	inline const Vector3f& translation() const { return mR3.v3(); }
+
+	inline Transform4x4f& translate(const Vector3f& translation)
+	{
+		float*       tm = (float*)this;
+		const float* tv = (float*)&translation;
+
+		tm[12] += tm[ 0] * tv[0] + tm[ 4] * tv[1] + tm[ 8] * tv[2];
+		tm[13] += tm[ 1] * tv[0] + tm[ 5] * tv[1] + tm[ 9] * tv[2];
+		tm[14] += tm[ 2] * tv[0] + tm[ 6] * tv[1] + tm[10] * tv[2];
+
+		return *this;
+	}
+
+	inline Transform4x4f& round()
+	{
+		float* tm = (float*)this;
+
+		tm[12] = (int)(tm[12] + 0.5f);
+		tm[13] = (int)(tm[13] + 0.5f);
+
+		return *this;
+	}
+
+};
+
+#endif

es-core/src/math/Vector2f.h

@@ -0,0 +1,65 @@
+#ifndef _VECTOR2F_H_
+#define _VECTOR2F_H_
+
+#include <assert.h>
+
+class Vector3f;
+class Vector4f;
+
+class Vector2f
+{
+public:
+
+	         Vector2f()                                                                            { }
+	         Vector2f(const float f)                : mX(f),                 mY(f)                 { }
+	         Vector2f(const float x, const float y) : mX(x),                 mY(y)                 { }
+	explicit Vector2f(const Vector3f& v)            : mX(((Vector2f&)v).mX), mY(((Vector2f&)v).mY) { }
+	explicit Vector2f(const Vector4f& v)            : mX(((Vector2f&)v).mX), mY(((Vector2f&)v).mY) { }
+
+	const bool operator==(const Vector2f& other) const { return ((mX == other.mX) && (mY == other.mY)); }
+	const bool operator!=(const Vector2f& other) const { return ((mX != other.mX) || (mY != other.mY)); }
+
+	const Vector2f operator+(const Vector2f& other) const { return { mX + other.mX, mY + other.mY }; }
+	const Vector2f operator-(const Vector2f& other) const { return { mX - other.mX, mY - other.mY }; }
+	const Vector2f operator*(const Vector2f& other) const { return { mX * other.mX, mY * other.mY }; }
+	const Vector2f operator/(const Vector2f& other) const { return { mX / other.mX, mY / other.mY }; }
+
+	const Vector2f operator+(const float& other) const { return { mX + other, mY + other }; }
+	const Vector2f operator-(const float& other) const { return { mX - other, mY - other }; }
+	const Vector2f operator*(const float& other) const { return { mX * other, mY * other }; }
+	const Vector2f operator/(const float& other) const { return { mX / other, mY / other }; }
+
+	const Vector2f operator-() const { return { -mX , -mY }; }
+
+	Vector2f& operator+=(const Vector2f& other) { *this = *this + other; return *this; }
+	Vector2f& operator-=(const Vector2f& other) { *this = *this - other; return *this; }
+	Vector2f& operator*=(const Vector2f& other) { *this = *this * other; return *this; }
+	Vector2f& operator/=(const Vector2f& other) { *this = *this / other; return *this; }
+
+	Vector2f& operator+=(const float& other) { *this = *this + other; return *this; }
+	Vector2f& operator-=(const float& other) { *this = *this - other; return *this; }
+	Vector2f& operator*=(const float& other) { *this = *this * other; return *this; }
+	Vector2f& operator/=(const float& other) { *this = *this / other; return *this; }
+
+	      float& operator[](const int index)       { assert(index < 2 && "index out of range"); return (&mX)[index]; }
+	const float& operator[](const int index) const { assert(index < 2 && "index out of range"); return (&mX)[index]; }
+
+	      float& x()       { return mX; }
+	      float& y()       { return mY; }
+	const float& x() const { return mX; }
+	const float& y() const { return mY; }
+
+	inline Vector2f& round() { mX = (int)(mX + 0.5f); mY = (int)(mY + 0.5f); return *this; }
+
+	static const Vector2f Zero()  { return { 0, 0 }; }
+	static const Vector2f UnitX() { return { 1, 0 }; }
+	static const Vector2f UnitY() { return { 0, 1 }; }
+
+private:
+
+	float mX;
+	float mY;
+
+};
+
+#endif

es-core/src/math/Vector2i.h

@@ -0,0 +1,58 @@
+#ifndef _VECTOR2I_H_
+#define _VECTOR2I_H_
+
+#include <assert.h>
+
+class Vector2i
+{
+public:
+
+	         Vector2i()                                        { }
+	         Vector2i(const int i)              : mX(i), mY(i) { }
+	         Vector2i(const int x, const int y) : mX(x), mY(y) { }
+
+	const bool operator==(const Vector2i& other) const { return ((mX == other.mX) && (mY == other.mY)); }
+	const bool operator!=(const Vector2i& other) const { return ((mX != other.mX) || (mY != other.mY)); }
+
+	const Vector2i operator+(const Vector2i& other) const { return { mX + other.mX, mY + other.mY }; }
+	const Vector2i operator-(const Vector2i& other) const { return { mX - other.mX, mY - other.mY }; }
+	const Vector2i operator*(const Vector2i& other) const { return { mX * other.mX, mY * other.mY }; }
+	const Vector2i operator/(const Vector2i& other) const { return { mX / other.mX, mY / other.mY }; }
+
+	const Vector2i operator+(const int& other) const { return { mX + other, mY + other }; }
+	const Vector2i operator-(const int& other) const { return { mX - other, mY - other }; }
+	const Vector2i operator*(const int& other) const { return { mX * other, mY * other }; }
+	const Vector2i operator/(const int& other) const { return { mX / other, mY / other }; }
+
+	const Vector2i operator-() const { return { -mX , -mY }; }
+
+	Vector2i& operator+=(const Vector2i& other) { *this = *this + other; return *this; }
+	Vector2i& operator-=(const Vector2i& other) { *this = *this - other; return *this; }
+	Vector2i& operator*=(const Vector2i& other) { *this = *this * other; return *this; }
+	Vector2i& operator/=(const Vector2i& other) { *this = *this / other; return *this; }
+
+	Vector2i& operator+=(const int& other) { *this = *this + other; return *this; }
+	Vector2i& operator-=(const int& other) { *this = *this - other; return *this; }
+	Vector2i& operator*=(const int& other) { *this = *this * other; return *this; }
+	Vector2i& operator/=(const int& other) { *this = *this / other; return *this; }
+
+	      int& operator[](const int index)       { assert(index < 2 && "index out of range"); return (&mX)[index]; }
+	const int& operator[](const int index) const { assert(index < 2 && "index out of range"); return (&mX)[index]; }
+
+	      int& x()       { return mX; }
+	      int& y()       { return mY; }
+	const int& x() const { return mX; }
+	const int& y() const { return mY; }
+
+	static const Vector2i Zero()  { return { 0, 0 }; }
+	static const Vector2i UnitX() { return { 1, 0 }; }
+	static const Vector2i UnitY() { return { 0, 1 }; }
+
+private:
+
+	int mX;
+	int mY;
+
+};
+
+#endif

es-core/src/math/Vector3f.h

@@ -0,0 +1,73 @@
+#ifndef _VECTOR3F_H_
+#define _VECTOR3F_H_
+
+#include <assert.h>
+
+class Vector2f;
+class Vector4f;
+
+class Vector3f
+{
+public:
+
+	         Vector3f()                                                                                                                  { }
+	         Vector3f(const float f)                               : mX(f),            mY(f),                      mZ(f)                 { }
+	         Vector3f(const float x, const float y, const float z) : mX(x),            mY(y),                      mZ(z)                 { }
+	explicit Vector3f(const Vector2f& v)                           : mX(((Vector3f&)v).mX), mY(((Vector3f&)v).mY), mZ(0)                 { }
+	explicit Vector3f(const Vector2f& v, const float z)            : mX(((Vector3f&)v).mX), mY(((Vector3f&)v).mY), mZ(z)                 { }
+	explicit Vector3f(const Vector4f& v)                           : mX(((Vector3f&)v).mX), mY(((Vector3f&)v).mY), mZ(((Vector3f&)v).mZ) { }
+
+	const bool operator==(const Vector3f& other) const { return ((mX == other.mX) && (mY == other.mY) && (mZ == other.mZ)); }
+	const bool operator!=(const Vector3f& other) const { return ((mX != other.mX) || (mY != other.mY) || (mZ != other.mZ)); }
+
+	const Vector3f operator+(const Vector3f& other) const { return { mX + other.mX, mY + other.mY, mZ + other.mZ }; }
+	const Vector3f operator-(const Vector3f& other) const { return { mX - other.mX, mY - other.mY, mZ - other.mZ }; }
+	const Vector3f operator*(const Vector3f& other) const { return { mX * other.mX, mY * other.mY, mZ * other.mZ }; }
+	const Vector3f operator/(const Vector3f& other) const { return { mX / other.mX, mY / other.mY, mZ / other.mZ }; }
+
+	const Vector3f operator+(const float& other) const { return { mX + other, mY + other, mZ + other }; }
+	const Vector3f operator-(const float& other) const { return { mX - other, mY - other, mZ - other }; }
+	const Vector3f operator*(const float& other) const { return { mX * other, mY * other, mZ * other }; }
+	const Vector3f operator/(const float& other) const { return { mX / other, mY / other, mZ / other }; }
+
+	const Vector3f operator-() const { return { -mX , -mY, -mZ }; }
+
+	Vector3f& operator+=(const Vector3f& other) { *this = *this + other; return *this; }
+	Vector3f& operator-=(const Vector3f& other) { *this = *this - other; return *this; }
+	Vector3f& operator*=(const Vector3f& other) { *this = *this * other; return *this; }
+	Vector3f& operator/=(const Vector3f& other) { *this = *this / other; return *this; }
+
+	Vector3f& operator+=(const float& other) { *this = *this + other; return *this; }
+	Vector3f& operator-=(const float& other) { *this = *this - other; return *this; }
+	Vector3f& operator*=(const float& other) { *this = *this * other; return *this; }
+	Vector3f& operator/=(const float& other) { *this = *this / other; return *this; }
+
+	      float& operator[](const int index)       { assert(index < 3 && "index out of range"); return (&mX)[index]; }
+	const float& operator[](const int index) const { assert(index < 3 && "index out of range"); return (&mX)[index]; }
+
+	      float& x()       { return mX; }
+	      float& y()       { return mY; }
+	      float& z()       { return mZ; }
+	const float& x() const { return mX; }
+	const float& y() const { return mY; }
+	const float& z() const { return mZ; }
+
+	inline       Vector2f& v2()       { return *(Vector2f*)this; }
+	inline const Vector2f& v2() const { return *(Vector2f*)this; }
+
+	inline Vector3f& round() { mX = (int)(mX + 0.5f); mY = (int)(mY + 0.5f); mZ = (int)(mZ + 0.5f); return *this; }
+
+	static const Vector3f Zero()  { return { 0, 0, 0 }; }
+	static const Vector3f UnitX() { return { 1, 0, 0 }; }
+	static const Vector3f UnitY() { return { 0, 1, 0 }; }
+	static const Vector3f UnitZ() { return { 0, 0, 1 }; }
+
+private:
+
+	float mX;
+	float mY;
+	float mZ;
+
+};
+
+#endif

es-core/src/math/Vector4f.h

@@ -0,0 +1,82 @@
+#ifndef _VECTOR4F_H_
+#define _VECTOR4F_H_
+
+#include <assert.h>
+
+class Vector2f;
+class Vector3f;
+
+class Vector4f
+{
+public:
+
+	         Vector4f()                                                                                                                                        { }
+	         Vector4f(const float f)                                              : mX(f),                 mY(f),                 mZ(f),                 mW(f) { }
+	         Vector4f(const float x, const float y, const float z, const float w) : mX(x),                 mY(y),                 mZ(z),                 mW(w) { }
+	explicit Vector4f(const Vector2f& v)                                          : mX(((Vector4f&)v).mX), mY(((Vector4f&)v).mY), mZ(0),                 mW(0) { }
+	explicit Vector4f(const Vector2f& v, const float z)                           : mX(((Vector4f&)v).mX), mY(((Vector4f&)v).mY), mZ(z),                 mW(0) { }
+	explicit Vector4f(const Vector2f& v, const float z, const float w)            : mX(((Vector4f&)v).mX), mY(((Vector4f&)v).mY), mZ(z),                 mW(w) { }
+	explicit Vector4f(const Vector3f& v)                                          : mX(((Vector4f&)v).mX), mY(((Vector4f&)v).mY), mZ(((Vector4f&)v).mZ), mW(0) { }
+	explicit Vector4f(const Vector3f& v, const float w)                           : mX(((Vector4f&)v).mX), mY(((Vector4f&)v).mY), mZ(((Vector4f&)v).mZ), mW(w) { }
+
+	const bool operator==(const Vector4f& other) const { return ((mX == other.mX) && (mY == other.mY) && (mZ == other.mZ) && (mW == other.mW)); }
+	const bool operator!=(const Vector4f& other) const { return ((mX != other.mX) || (mY != other.mY) || (mZ != other.mZ) || (mW != other.mW)); }
+
+	const Vector4f operator+(const Vector4f& other) const { return { mX + other.mX, mY + other.mY, mZ + other.mZ, mW + other.mW }; }
+	const Vector4f operator-(const Vector4f& other) const { return { mX - other.mX, mY - other.mY, mZ - other.mZ, mW - other.mW }; }
+	const Vector4f operator*(const Vector4f& other) const { return { mX * other.mX, mY * other.mY, mZ * other.mZ, mW * other.mW }; }
+	const Vector4f operator/(const Vector4f& other) const { return { mX / other.mX, mY / other.mY, mZ / other.mZ, mW / other.mW }; }
+
+	const Vector4f operator+(const float& other) const { return { mX + other, mY + other, mZ + other, mW + other }; }
+	const Vector4f operator-(const float& other) const { return { mX - other, mY - other, mZ - other, mW - other }; }
+	const Vector4f operator*(const float& other) const { return { mX * other, mY * other, mZ * other, mW * other }; }
+	const Vector4f operator/(const float& other) const { return { mX / other, mY / other, mZ / other, mW / other }; }
+
+	const Vector4f operator-() const { return {-mX , -mY, -mZ, -mW }; }
+
+	Vector4f& operator+=(const Vector4f& other) { *this = *this + other; return *this; }
+	Vector4f& operator-=(const Vector4f& other) { *this = *this - other; return *this; }
+	Vector4f& operator*=(const Vector4f& other) { *this = *this * other; return *this; }
+	Vector4f& operator/=(const Vector4f& other) { *this = *this / other; return *this; }
+
+	Vector4f& operator+=(const float& other) { *this = *this + other; return *this; }
+	Vector4f& operator-=(const float& other) { *this = *this - other; return *this; }
+	Vector4f& operator*=(const float& other) { *this = *this * other; return *this; }
+	Vector4f& operator/=(const float& other) { *this = *this / other; return *this; }
+
+	      float& operator[](const int index)       { assert(index < 4 && "index out of range"); return (&mX)[index]; }
+	const float& operator[](const int index) const { assert(index < 4 && "index out of range"); return (&mX)[index]; }
+
+	      float& x()       { return mX; }
+	      float& y()       { return mY; }
+	      float& z()       { return mZ; }
+	      float& w()       { return mW; }
+	const float& x() const { return mX; }
+	const float& y() const { return mY; }
+	const float& z() const { return mZ; }
+	const float& w() const { return mW; }
+
+	inline       Vector2f& v2()       { return *(Vector2f*)this; }
+	inline const Vector2f& v2() const { return *(Vector2f*)this; }
+
+	inline       Vector3f& v3()       { return *(Vector3f*)this; }
+	inline const Vector3f& v3() const { return *(Vector3f*)this; }
+
+	inline Vector4f& round() { mX = (int)(mX + 0.5f); mY = (int)(mY + 0.5f); mZ = (int)(mZ + 0.5f); mW = (int)(mW + 0.5f); return *this; }
+
+	static const Vector4f Zero()  { return { 0, 0, 0, 0 }; }
+	static const Vector4f UnitX() { return { 1, 0, 0, 0 }; }
+	static const Vector4f UnitY() { return { 0, 1, 0, 0 }; }
+	static const Vector4f UnitZ() { return { 0, 0, 1, 0 }; }
+	static const Vector4f UnitW() { return { 0, 0, 0, 1 }; }
+
+private:
+
+	float mX;
+	float mY;
+	float mZ;
+	float mW;
+
+};
+
+#endif

es-core/src/resources/Font.cpp

@@ -254,8 +254,8 @@ void Font::unloadTextures()
 Font::FontTexture::FontTexture()
 {
 	textureId = 0;
-	textureSize << 2048, 512;
+	textureSize = Vector2i(2048, 512);
-	writePos = Eigen::Vector2i::Zero();
+	writePos = Vector2i::Zero();
 	rowHeight = 0;
 }
 
@@ -264,7 +264,7 @@ Font::FontTexture::~FontTexture()
 	deinitTexture();
 }
 
-bool Font::FontTexture::findEmpty(const Eigen::Vector2i& size, Eigen::Vector2i& cursor_out)
+bool Font::FontTexture::findEmpty(const Vector2i& size, Vector2i& cursor_out)
 {
 	if(size.x() >= textureSize.x() || size.y() >= textureSize.y())
 		return false;
@@ -274,7 +274,7 @@ bool Font::FontTexture::findEmpty(const Eigen::Vector2i& size, Eigen::Vector2i&
 	{
 		// row full, but it should fit on the next row
 		// move cursor to next row
-		writePos << 0, writePos.y() + rowHeight + 1; // leave 1px of space between glyphs
+		writePos = Vector2i(0, writePos.y() + rowHeight + 1); // leave 1px of space between glyphs
 		rowHeight = 0;
 	}
 
@@ -322,7 +322,7 @@ void Font::FontTexture::deinitTexture()
 	}
 }
 
-void Font::getTextureForNewGlyph(const Eigen::Vector2i& glyphSize, FontTexture*& tex_out, Eigen::Vector2i& cursor_out)
+void Font::getTextureForNewGlyph(const Vector2i& glyphSize, FontTexture*& tex_out, Vector2i& cursor_out)
 {
 	if(mTextures.size())
 	{
@@ -456,10 +456,10 @@ Font::Glyph* Font::getGlyph(UnicodeChar id)
 		return NULL;
 	}
 
-	Eigen::Vector2i glyphSize(g->bitmap.width, g->bitmap.rows);
+	Vector2i glyphSize(g->bitmap.width, g->bitmap.rows);
 
 	FontTexture* tex = NULL;
-	Eigen::Vector2i cursor;
+	Vector2i cursor;
 	getTextureForNewGlyph(glyphSize, tex, cursor);
 
 	// getTextureForNewGlyph can fail if the glyph is bigger than the max texture size (absurdly large font size)
@@ -473,11 +473,11 @@ Font::Glyph* Font::getGlyph(UnicodeChar id)
 	Glyph& glyph = mGlyphMap[id];
 	
 	glyph.texture = tex;
-	glyph.texPos << cursor.x() / (float)tex->textureSize.x(), cursor.y() / (float)tex->textureSize.y();
+	glyph.texPos = Vector2f(cursor.x() / (float)tex->textureSize.x(), cursor.y() / (float)tex->textureSize.y());
-	glyph.texSize << glyphSize.x() / (float)tex->textureSize.x(), glyphSize.y() / (float)tex->textureSize.y();
+	glyph.texSize = Vector2f(glyphSize.x() / (float)tex->textureSize.x(), glyphSize.y() / (float)tex->textureSize.y());
 
-	glyph.advance << (float)g->metrics.horiAdvance / 64.0f, (float)g->metrics.vertAdvance / 64.0f;
+	glyph.advance = Vector2f((float)g->metrics.horiAdvance / 64.0f, (float)g->metrics.vertAdvance / 64.0f);
-	glyph.bearing << (float)g->metrics.horiBearingX / 64.0f, (float)g->metrics.horiBearingY / 64.0f;
+	glyph.bearing = Vector2f((float)g->metrics.horiBearingX / 64.0f, (float)g->metrics.horiBearingY / 64.0f);
 
 	// upload glyph bitmap to texture
 	glBindTexture(GL_TEXTURE_2D, tex->textureId);
@@ -513,8 +513,8 @@ void Font::rebuildTextures()
 		FontTexture* tex = it->second.texture;
 		
 		// find the position/size
-		Eigen::Vector2i cursor(it->second.texPos.x() * tex->textureSize.x(), it->second.texPos.y() * tex->textureSize.y());
+		Vector2i cursor(it->second.texPos.x() * tex->textureSize.x(), it->second.texPos.y() * tex->textureSize.y());
-		Eigen::Vector2i glyphSize(it->second.texSize.x() * tex->textureSize.x(), it->second.texSize.y() * tex->textureSize.y());
+		Vector2i glyphSize(it->second.texSize.x() * tex->textureSize.x(), it->second.texSize.y() * tex->textureSize.y());
 		
 		// upload to texture
 		glBindTexture(GL_TEXTURE_2D, tex->textureId);
@@ -547,8 +547,8 @@ void Font::renderTextCache(TextCache* cache)
 		glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 		glEnableClientState(GL_COLOR_ARRAY);
 
-		glVertexPointer(2, GL_FLOAT, sizeof(TextCache::Vertex), it->verts[0].pos.data());
+		glVertexPointer(2, GL_FLOAT, sizeof(TextCache::Vertex), &it->verts[0].pos);
-		glTexCoordPointer(2, GL_FLOAT, sizeof(TextCache::Vertex), it->verts[0].tex.data());
+		glTexCoordPointer(2, GL_FLOAT, sizeof(TextCache::Vertex), &it->verts[0].tex);
 		glColorPointer(4, GL_UNSIGNED_BYTE, 0, it->colors.data());
 
 		glDrawArrays(GL_TRIANGLES, 0, it->verts.size());
@@ -562,7 +562,7 @@ void Font::renderTextCache(TextCache* cache)
 	}
 }
 
-Eigen::Vector2f Font::sizeText(std::string text, float lineSpacing)
+Vector2f Font::sizeText(std::string text, float lineSpacing)
 {
 	float lineWidth = 0.0f;
 	float highestWidth = 0.0f;
@@ -593,7 +593,7 @@ Eigen::Vector2f Font::sizeText(std::string text, float lineSpacing)
 	if(lineWidth > highestWidth)
 		highestWidth = lineWidth;
 
-	return Eigen::Vector2f(highestWidth, y);
+	return Vector2f(highestWidth, y);
 }
 
 float Font::getHeight(float lineSpacing) const
@@ -617,7 +617,7 @@ std::string Font::wrapText(std::string text, float xLen)
 	std::string line, word, temp;
 	size_t space;
 
-	Eigen::Vector2f textSize;
+	Vector2f textSize;
 
 	while(text.length() > 0) //while there's text or we still have text to render
 	{
@@ -650,13 +650,13 @@ std::string Font::wrapText(std::string text, float xLen)
 	return out;
 }
 
-Eigen::Vector2f Font::sizeWrappedText(std::string text, float xLen, float lineSpacing)
+Vector2f Font::sizeWrappedText(std::string text, float xLen, float lineSpacing)
 {
 	text = wrapText(text, xLen);
 	return sizeText(text, lineSpacing);
 }
 
-Eigen::Vector2f Font::getWrappedTextCursorOffset(std::string text, float xLen, size_t stop, float lineSpacing)
+Vector2f Font::getWrappedTextCursorOffset(std::string text, float xLen, size_t stop, float lineSpacing)
 {
 	std::string wrappedText = wrapText(text, xLen);
 
@@ -693,7 +693,7 @@ Eigen::Vector2f Font::getWrappedTextCursorOffset(std::string text, float xLen, s
 			lineWidth += glyph->advance.x();
 	}
 
-	return Eigen::Vector2f(lineWidth, y);
+	return Vector2f(lineWidth, y);
 }
 
 //=============================================================================================================
@@ -726,7 +726,7 @@ inline float font_round(float v)
 	return round(v);
 }
 
-TextCache* Font::buildTextCache(const std::string& text, Eigen::Vector2f offset, unsigned int color, float xLen, Alignment alignment, float lineSpacing)
+TextCache* Font::buildTextCache(const std::string& text, Vector2f offset, unsigned int color, float xLen, Alignment alignment, float lineSpacing)
 {
 	float x = offset[0] + (xLen != 0 ? getNewlineStartOffset(text, 0, xLen, alignment) : 0);
 	
@@ -766,30 +766,30 @@ TextCache* Font::buildTextCache(const std::string& text, Eigen::Vector2f offset,
 
 		const float glyphStartX = x + glyph->bearing.x();
 
-		const Eigen::Vector2i& textureSize = glyph->texture->textureSize;
+		const Vector2i& textureSize = glyph->texture->textureSize;
 
 		// triangle 1
 		// round to fix some weird "cut off" text bugs
-		tri[0].pos << font_round(glyphStartX), font_round(y + (glyph->texSize.y() * textureSize.y() - glyph->bearing.y()));
+		tri[0].pos = Vector2f(font_round(glyphStartX), font_round(y + (glyph->texSize.y() * textureSize.y() - glyph->bearing.y())));
-		tri[1].pos << font_round(glyphStartX + glyph->texSize.x() * textureSize.x()), font_round(y - glyph->bearing.y());
+		tri[1].pos = Vector2f(font_round(glyphStartX + glyph->texSize.x() * textureSize.x()), font_round(y - glyph->bearing.y()));
-		tri[2].pos << tri[0].pos.x(), tri[1].pos.y();
+		tri[2].pos = Vector2f(tri[0].pos.x(), tri[1].pos.y());
 
-		//tri[0].tex << 0, 0;
+		//tri[0].tex = Vector2f(0, 0);
-		//tri[0].tex << 1, 1;
+		//tri[0].tex = Vector2f(1, 1);
-		//tri[0].tex << 0, 1;
+		//tri[0].tex = Vector2f(0, 1);
 
-		tri[0].tex << glyph->texPos.x(), glyph->texPos.y() + glyph->texSize.y();
+		tri[0].tex = Vector2f(glyph->texPos.x(), glyph->texPos.y() + glyph->texSize.y());
-		tri[1].tex << glyph->texPos.x() + glyph->texSize.x(), glyph->texPos.y();
+		tri[1].tex = Vector2f(glyph->texPos.x() + glyph->texSize.x(), glyph->texPos.y());
-		tri[2].tex << tri[0].tex.x(), tri[1].tex.y();
+		tri[2].tex = Vector2f(tri[0].tex.x(), tri[1].tex.y());
 
 		// triangle 2
 		tri[3].pos = tri[0].pos;
 		tri[4].pos = tri[1].pos;
-		tri[5].pos << tri[1].pos.x(), tri[0].pos.y();
+		tri[5].pos = Vector2f(tri[1].pos.x(), tri[0].pos.y());
 
 		tri[3].tex = tri[0].tex;
 		tri[4].tex = tri[1].tex;
-		tri[5].tex << tri[1].tex.x(), tri[0].tex.y();
+		tri[5].tex = Vector2f(tri[1].tex.x(), tri[0].tex.y());
 
 		// advance
 		x += glyph->advance.x();
@@ -820,7 +820,7 @@ TextCache* Font::buildTextCache(const std::string& text, Eigen::Vector2f offset,
 
 TextCache* Font::buildTextCache(const std::string& text, float offsetX, float offsetY, unsigned int color)
 {
-	return buildTextCache(text, Eigen::Vector2f(offsetX, offsetY), color, 0.0f);
+	return buildTextCache(text, Vector2f(offsetX, offsetY), color, 0.0f);
 }
 
 void TextCache::setColor(unsigned int color)

es-core/src/resources/Font.h

@@ -5,9 +5,9 @@
 #include GLHEADER
 #include <ft2build.h>
 #include FT_FREETYPE_H
-#include <Eigen/Dense>
 #include "resources/ResourceManager.h"
 #include "ThemeData.h"
+#include "math/Vector2i.h"
 
 class TextCache;
 
@@ -41,14 +41,14 @@ public:
 
 	virtual ~Font();
 
-	Eigen::Vector2f sizeText(std::string text, float lineSpacing = 1.5f); // Returns the expected size of a string when rendered.  Extra spacing is applied to the Y axis.
+	Vector2f sizeText(std::string text, float lineSpacing = 1.5f); // Returns the expected size of a string when rendered.  Extra spacing is applied to the Y axis.
 	TextCache* buildTextCache(const std::string& text, float offsetX, float offsetY, unsigned int color);
-	TextCache* buildTextCache(const std::string& text, Eigen::Vector2f offset, unsigned int color, float xLen, Alignment alignment = ALIGN_LEFT, float lineSpacing = 1.5f);
+	TextCache* buildTextCache(const std::string& text, Vector2f offset, unsigned int color, float xLen, Alignment alignment = ALIGN_LEFT, float lineSpacing = 1.5f);
 	void renderTextCache(TextCache* cache);
 	
 	std::string wrapText(std::string text, float xLen); // Inserts newlines into text to make it wrap properly.
-	Eigen::Vector2f sizeWrappedText(std::string text, float xLen, float lineSpacing = 1.5f); // Returns the expected size of a string after wrapping is applied.
+	Vector2f sizeWrappedText(std::string text, float xLen, float lineSpacing = 1.5f); // Returns the expected size of a string after wrapping is applied.
-	Eigen::Vector2f getWrappedTextCursorOffset(std::string text, float xLen, size_t cursor, float lineSpacing = 1.5f); // Returns the position of of the cursor after moving "cursor" characters.
+	Vector2f getWrappedTextCursorOffset(std::string text, float xLen, size_t cursor, float lineSpacing = 1.5f); // Returns the position of of the cursor after moving "cursor" characters.
 
 	float getHeight(float lineSpacing = 1.5f) const;
 	float getLetterHeight();
@@ -81,14 +81,14 @@ private:
 	struct FontTexture
 	{
 		GLuint textureId;
-		Eigen::Vector2i textureSize;
+		Vector2i textureSize;
 
-		Eigen::Vector2i writePos;
+		Vector2i writePos;
 		int rowHeight;
 
 		FontTexture();
 		~FontTexture();
-		bool findEmpty(const Eigen::Vector2i& size, Eigen::Vector2i& cursor_out);
+		bool findEmpty(const Vector2i& size, Vector2i& cursor_out);
 
 		// you must call initTexture() after creating a FontTexture to get a textureId
 		void initTexture(); // initializes the OpenGL texture according to this FontTexture's settings, updating textureId
@@ -109,7 +109,7 @@ private:
 
 	std::vector<FontTexture> mTextures;
 
-	void getTextureForNewGlyph(const Eigen::Vector2i& glyphSize, FontTexture*& tex_out, Eigen::Vector2i& cursor_out);
+	void getTextureForNewGlyph(const Vector2i& glyphSize, FontTexture*& tex_out, Vector2i& cursor_out);
 
 	std::map< unsigned int, std::unique_ptr<FontFace> > mFaceCache;
 	FT_Face getFaceForChar(UnicodeChar id);
@@ -119,11 +119,11 @@ private:
 	{
 		FontTexture* texture;
 		
-		Eigen::Vector2f texPos;
+		Vector2f texPos;
-		Eigen::Vector2f texSize; // in texels!
+		Vector2f texSize; // in texels!
 
-		Eigen::Vector2f advance;
+		Vector2f advance;
-		Eigen::Vector2f bearing;
+		Vector2f bearing;
 	};
 
 	std::map<UnicodeChar, Glyph> mGlyphMap;
@@ -149,8 +149,8 @@ class TextCache
 protected:
 	struct Vertex
 	{
-		Eigen::Vector2f pos;
+		Vector2f pos;
-		Eigen::Vector2f tex;
+		Vector2f tex;
 	};
 
 	struct VertexList
@@ -165,7 +165,7 @@ protected:
 public:
 	struct CacheMetrics
 	{
-		Eigen::Vector2f size;
+		Vector2f size;
 	} metrics;
 
 	void setColor(unsigned int color);

es-core/src/resources/TextureResource.cpp

@@ -35,8 +35,8 @@ TextureResource::TextureResource(const std::string& path, bool tile, bool dynami
 			data->load();
 		}
 
-		mSize << data->width(), data->height();
+		mSize = Vector2i(data->width(), data->height());
-		mSourceSize << data->sourceWidth(), data->sourceHeight();
+		mSourceSize = Vector2f(data->sourceWidth(), data->sourceHeight());
 	}
 	else
 	{
@@ -62,8 +62,8 @@ void TextureResource::initFromPixels(const unsigned char* dataRGBA, size_t width
 	mTextureData->releaseRAM();
 	mTextureData->initFromRGBA(dataRGBA, width, height);
 	// Cache the image dimensions
-	mSize << width, height;
+	mSize = Vector2i(width, height);
-	mSourceSize << mTextureData->sourceWidth(), mTextureData->sourceHeight();
+	mSourceSize = Vector2f(mTextureData->sourceWidth(), mTextureData->sourceHeight());
 }
 
 void TextureResource::initFromMemory(const char* data, size_t length)
@@ -74,11 +74,11 @@ void TextureResource::initFromMemory(const char* data, size_t length)
 	mTextureData->releaseRAM();
 	mTextureData->initImageFromMemory((const unsigned char*)data, length);
 	// Get the size from the texture data
-	mSize << mTextureData->width(), mTextureData->height();
+	mSize = Vector2i(mTextureData->width(), mTextureData->height());
-	mSourceSize << mTextureData->sourceWidth(), mTextureData->sourceHeight();
+	mSourceSize = Vector2f(mTextureData->sourceWidth(), mTextureData->sourceHeight());
 }
 
-const Eigen::Vector2i TextureResource::getSize() const
+const Vector2i TextureResource::getSize() const
 {
 	return mSize;
 }
@@ -157,13 +157,13 @@ void TextureResource::rasterizeAt(size_t width, size_t height)
 		data = mTextureData;
 	else
 		data = sTextureDataManager.get(this);
-	mSourceSize << (float)width, (float)height;
+	mSourceSize = Vector2f((float)width, (float)height);
 	data->setSourceSize((float)width, (float)height);
 	if (mForceLoad || (mTextureData != nullptr))
 		data->load();
 }
 
-Eigen::Vector2f TextureResource::getSourceImageSize() const
+Vector2f TextureResource::getSourceImageSize() const
 {
 	return mSourceSize;
 }

es-core/src/resources/TextureResource.h

@@ -5,11 +5,12 @@
 #include <string>
 #include <set>
 #include <list>
-#include <Eigen/Dense>
 #include "platform.h"
 #include "resources/TextureData.h"
 #include "resources/TextureDataManager.h"
 #include GLHEADER
+#include "math/Vector2i.h"
+#include "math/Vector2f.h"
 
 // An OpenGL texture.
 // Automatically recreates the texture with renderer deinit/reinit.
@@ -22,14 +23,14 @@ public:
 
 	// For scalable source images in textures we want to set the resolution to rasterize at
 	void rasterizeAt(size_t width, size_t height);
-	Eigen::Vector2f getSourceImageSize() const;
+	Vector2f getSourceImageSize() const;
 
 	virtual ~TextureResource();
 
 	bool isInitialized() const;
 	bool isTiled() const;
 
-	const Eigen::Vector2i getSize() const;
+	const Vector2i getSize() const;
 	bool bind();
 
 	static size_t getTotalMemUsage(); // returns an approximation of total VRAM used by textures (in bytes)
@@ -48,8 +49,8 @@ private:
 	// The texture data manager manages loading and unloading of filesystem based textures
 	static TextureDataManager		sTextureDataManager;
 
-	Eigen::Vector2i					mSize;
+	Vector2i					mSize;
-	Eigen::Vector2f					mSourceSize;
+	Vector2f					mSourceSize;
 	bool							mForceLoad;
 
 	typedef std::pair<std::string, bool> TextureKeyType;