diff --git a/CI/before_script.msvc.sh b/CI/before_script.msvc.sh
index 6ed4365a4..72c3e983a 100644
--- a/CI/before_script.msvc.sh
+++ b/CI/before_script.msvc.sh
@@ -1,5 +1,20 @@
 #!/bin/bash
 
+set -euo pipefail
+
+APPVEYOR=""
+CI=""
+
+VERBOSE=""
+STRIP=""
+SKIP_DOWNLOAD=""
+SKIP_EXTRACT=""
+KEEP=""
+UNITY_BUILD=""
+VS_VERSION=""
+PLATFORM=""
+CONFIGURATION=""
+
 while [ $# -gt 0 ]; do
 	ARGSTR=$1
 	shift
@@ -16,10 +31,6 @@ while [ $# -gt 0 ]; do
 			V )
 				VERBOSE=true ;;
 
-			v )
-				VS_VERSION=$1
-				shift ;;
-
 			d )
 				SKIP_DOWNLOAD=true ;;
 
@@ -32,6 +43,10 @@ while [ $# -gt 0 ]; do
 			u )
 				UNITY_BUILD=true ;;
 
+			v )
+				VS_VERSION=$1
+				shift ;;
+
 			p )
 				PLATFORM=$1
 				shift ;;
@@ -78,9 +93,6 @@ done
 if [ -z $VERBOSE ]; then
 	STRIP="> /dev/null 2>&1"
 fi
-if [ -z $VS_VERSION ]; then
-	VS_VERSION="2013"
-fi
 
 if [ -z $APPVEYOR ]; then
 	echo "Running prebuild outside of Appveyor."
@@ -90,7 +102,7 @@ if [ -z $APPVEYOR ]; then
 else
 	echo "Running prebuild in Appveyor."
 
-	cd $APPVEYOR_BUILD_FOLDER
+	cd ${APPVEYOR_BUILD_FOLDER:-}
 	VERSION="$(cat README.md | grep Version: | awk '{ print $3; }')-$(git rev-parse --short HEAD)"
 	appveyor UpdateBuild -Version "$VERSION" > /dev/null &
 fi
@@ -192,36 +204,45 @@ if [ -z $CONFIGURATION ]; then
 	CONFIGURATION="Debug"
 fi
 
+if [ -z $VS_VERSION ]; then
+	VS_VERSION="2013"
+fi
+
 case $VS_VERSION in
-	14|2015 )
+	14|14.0|2015 )
 		GENERATOR="Visual Studio 14 2015"
 		XP_TOOLSET="v140_xp"
+		TOOLSET="v140"
+		MSVC_VER="14"
+		MSVC_YEAR="2015"
 		;;
 
-#	12|2013|
-	* )
+	12|12.0|2013 )
 		GENERATOR="Visual Studio 12 2013"
 		XP_TOOLSET="v120_xp"
+		TOOLSET="v120"
+		MSVC_VER="12"
+		MSVC_YEAR="2013"
 		;;
 esac
 
 case $PLATFORM in
 	x64|x86_64|x86-64|win64|Win64 )
-		ARCHNAME=x86-64
-		ARCHSUFFIX=64
-		BITS=64
+		ARCHNAME="x86-64"
+		ARCHSUFFIX="64"
+		BITS="64"
 
 		BASE_OPTS="-G\"$GENERATOR Win64\""
 		add_cmake_opts "-G\"$GENERATOR Win64\""
 		;;
 
 	x32|x86|i686|i386|win32|Win32 )
-		ARCHNAME=x86
-		ARCHSUFFIX=86
-		BITS=32
+		ARCHNAME="x86"
+		ARCHSUFFIX="86"
+		BITS="32"
 
-		BASE_OPTS="-G\"$GENERATOR\" -T$XP_TOOLSET"
-		add_cmake_opts "-G\"$GENERATOR\"" -T$XP_TOOLSET
+		BASE_OPTS="-G\"$GENERATOR\""
+		add_cmake_opts "-G\"$GENERATOR\""
 		;;
 
 	* )
@@ -230,28 +251,31 @@ case $PLATFORM in
 		;;
 esac
 
-if ! [ -z $UNITY_BUILD ]; then
-	add_cmake_opts "-DOPENMW_UNITY_BUILD=True"
-fi
-
 case $CONFIGURATION in
 	debug|Debug|DEBUG )
 		CONFIGURATION=Debug
+		BUILD_CONFIG=Debug
 		;;
 
 	release|Release|RELEASE )
 		CONFIGURATION=Release
+		BUILD_CONFIG=Release
 		;;
 
 	relwithdebinfo|RelWithDebInfo|RELWITHDEBINFO )
-		CONFIGURATION=RelWithDebInfo
+		CONFIGURATION=Release
+		BUILD_CONFIG=RelWithDebInfo
 		;;
 esac
 
+if ! [ -z $UNITY_BUILD ]; then
+	add_cmake_opts "-DOPENMW_UNITY_BUILD=True"
+fi
+
 echo
-echo "=========================="
-echo "Starting prebuild on win$BITS"
-echo "=========================="
+echo "==================================="
+echo "Starting prebuild on MSVC${MSVC_YEAR} WIN${BITS}"
+echo "==================================="
 echo
 
 # cd OpenMW/AppVeyor-test
@@ -266,105 +290,127 @@ if [ -z $SKIP_DOWNLOAD ]; then
 
 	# Boost
 	if [ -z $APPVEYOR ]; then
-		download "Boost 1.58.0" \
-			http://sourceforge.net/projects/boost/files/boost-binaries/1.58.0/boost_1_58_0-msvc-12.0-$BITS.exe \
-			boost-1.58.0-win$BITS.exe
+		download "Boost 1.61.0" \
+			"http://sourceforge.net/projects/boost/files/boost-binaries/1.61.0/boost_1_61_0-msvc-${MSVC_VER}.0-${BITS}.exe" \
+			"boost-1.61.0-msvc${MSVC_YEAR}-win${BITS}.exe"
 	fi
 
 	# Bullet
-	download "Bullet 2.83.5" \
-		http://www.lysator.liu.se/~ace/OpenMW/deps/Bullet-2.83.5-win$BITS.7z \
-		Bullet-2.83.5-win$BITS.7z
+	download "Bullet 2.83.7" \
+		"http://www.lysator.liu.se/~ace/OpenMW/deps/Bullet-2.83.7-msvc${MSVC_YEAR}-win${BITS}.7z" \
+		"Bullet-2.83.7-msvc${MSVC_YEAR}-win${BITS}.7z"
 
 	# FFmpeg
-	download "FFmpeg 2.5.2" \
-		http://ffmpeg.zeranoe.com/builds/win$BITS/shared/ffmpeg-2.5.2-win$BITS-shared.7z \
-		ffmpeg$BITS-2.5.2.7z \
-		http://ffmpeg.zeranoe.com/builds/win$BITS/dev/ffmpeg-2.5.2-win$BITS-dev.7z \
-		ffmpeg$BITS-2.5.2-dev.7z
+	download "FFmpeg 3.0.1" \
+		"http://ffmpeg.zeranoe.com/builds/win${BITS}/shared/ffmpeg-3.0.1-win${BITS}-shared.7z" \
+		"ffmpeg-3.0.1-win${BITS}.7z" \
+		"http://ffmpeg.zeranoe.com/builds/win${BITS}/dev/ffmpeg-3.0.1-win${BITS}-dev.7z" \
+		"ffmpeg-3.0.1-dev-win${BITS}.7z"
 
 	# MyGUI
-	download "MyGUI 3.2.2" \
-		http://www.lysator.liu.se/~ace/OpenMW/deps/MyGUI-3.2.2-win$BITS.7z \
-		MyGUI-3.2.2-win$BITS.7z
+	download "MyGUI 3.2.3-git" \
+		"http://www.lysator.liu.se/~ace/OpenMW/deps/MyGUI-3.2.3-git-msvc${MSVC_YEAR}-win${BITS}.7z" \
+		"MyGUI-3.2.3-git-msvc${MSVC_YEAR}-win${BITS}.7z"
 
 	# OpenAL
-	download "OpenAL-Soft 1.16.0" \
-		http://kcat.strangesoft.net/openal-binaries/openal-soft-1.16.0-bin.zip \
-		OpenAL-Soft-1.16.0.zip
+	download "OpenAL-Soft 1.17.2" \
+		"http://kcat.strangesoft.net/openal-binaries/openal-soft-1.17.2-bin.zip" \
+		"OpenAL-Soft-1.17.2.zip"
 
 	# OSG
-	download "OpenSceneGraph 3.3.8" \
-		http://www.lysator.liu.se/~ace/OpenMW/deps/OSG-3.3.8-win$BITS.7z \
-		OSG-3.3.8-win$BITS.7z
+	download "OpenSceneGraph 3.4.0-scrawl" \
+		"http://www.lysator.liu.se/~ace/OpenMW/deps/OSG-3.4.0-scrawl-msvc${MSVC_YEAR}-win${BITS}.7z" \
+		"OSG-3.4.0-scrawl-msvc${MSVC_YEAR}-win${BITS}.7z"
 
 	# Qt
 	if [ -z $APPVEYOR ]; then
-		download "Qt 4.8.6" \
-			http://sourceforge.net/projects/qt64ng/files/qt/$ARCHNAME/4.8.6/msvc2013/qt-4.8.6-x$ARCHSUFFIX-msvc2013.7z \
-			qt$BITS-4.8.6.7z
+		if [ $BITS == "64" ]; then
+			QT_SUFFIX="_64"
+		else
+			QT_SUFFIX=""
+		fi
+
+		download "Qt 5.7.2" \
+			"http://download.qt.io/official_releases/qt/5.7/5.7.0/qt-opensource-windows-x86-msvc${MSVC_YEAR}${QT_SUFFIX}-5.7.0.exe" \
+			"qt-5.7.0-msvc${MSVC_YEAR}-win${BITS}.exe" \
+			"http://www.lysator.liu.se/~ace/OpenMW/deps/qt-5-install.qs" \
+			"qt-5-install.qs"
 	fi
 
 	# SDL2
-	download "SDL 2.0.3" \
-		https://www.libsdl.org/release/SDL2-devel-2.0.3-VC.zip \
-		SDL2-2.0.3.zip
+	download "SDL 2.0.4" \
+		"https://www.libsdl.org/release/SDL2-devel-2.0.4-VC.zip" \
+		"SDL2-2.0.4.zip"
 fi
 
 cd .. #/..
 
 # Set up dependencies
+BUILD_DIR="MSVC${MSVC_YEAR}_${BITS}"
 if [ -z $KEEP ]; then
 	echo
-	printf "Preparing build directory... "
-
-	rm -rf Build_$BITS
-	mkdir -p Build_$BITS/deps
+	echo "(Re)Creating build directory."
 
-	echo Done.
+	rm -rf "$BUILD_DIR"
 fi
-mkdir -p Build_$BITS/deps
-cd Build_$BITS/deps
+
+mkdir -p "${BUILD_DIR}/deps"
+cd "${BUILD_DIR}/deps"
 
 DEPS_INSTALL=`pwd`
 cd $DEPS
 
 echo
-echo "Extracting dependencies..."
+echo "Extracting dependencies, this might take a while..."
+echo "---------------------------------------------------"
+echo
 
 
 # Boost
-printf "Boost 1.58.0... "
+if [ -z $APPVEYOR ]; then
+	printf "Boost 1.61.0... "
+else
+	if [ $MSVC_VER -eq 12 ]; then
+		printf "Boost 1.58.0 AppVeyor... "
+	else
+		printf "Boost 1.60.0 AppVeyor... "
+	fi
+fi
 {
 	if [ -z $APPVEYOR ]; then
 		cd $DEPS_INSTALL
 
-		BOOST_SDK="`real_pwd`/Boost"
+		BOOST_SDK="$(real_pwd)/Boost"
 
-		if [ -d Boost ] && grep "BOOST_VERSION 105800" Boost/boost/version.hpp > /dev/null; then
+		if [ -d Boost ] && grep "BOOST_VERSION 106100" Boost/boost/version.hpp > /dev/null; then
 			printf "Exists. "
 		elif [ -z $SKIP_EXTRACT ]; then
 			rm -rf Boost
-			$DEPS/boost-1.58.0-win$BITS.exe //dir="$(echo $BOOST_SDK | sed s,/,\\\\,g)" //verysilent
+			"${DEPS}/boost-1.61.0-msvc${MSVC_YEAR}-win${BITS}.exe" //dir="$(echo $BOOST_SDK | sed s,/,\\\\,g)" //verysilent
 		fi
 
 		add_cmake_opts -DBOOST_ROOT="$BOOST_SDK" \
-			-DBOOST_LIBRARYDIR="$BOOST_SDK/lib$BITS-msvc-12.0"
+			-DBOOST_LIBRARYDIR="${BOOST_SDK}/lib${BITS}-msvc-${MSVC_VER}.0"
 
 		echo Done.
 	else
 		# Appveyor unstable has all the boost we need already
-		BOOST_SDK="c:/Libraries/boost"
+		if [ $MSVC_VER -eq 12 ]; then
+			BOOST_SDK="c:/Libraries/boost_1_58_0"
+		else
+			BOOST_SDK="c:/Libraries/boost_1_60_0"
+		fi
 		add_cmake_opts -DBOOST_ROOT="$BOOST_SDK" \
-			-DBOOST_LIBRARYDIR="$BOOST_SDK/lib$BITS-msvc-12.0"
+			-DBOOST_LIBRARYDIR="$BOOST_SDK/lib${BITS}-msvc-${MSVC_VER}.0"
 
-		echo AppVeyor.
+		echo Done.
 	fi
 }
 cd $DEPS
+echo
 
 # Bullet
-printf "Bullet 2.83.5... "
+printf "Bullet 2.83.7... "
 {
 	cd $DEPS_INSTALL
 
@@ -372,36 +418,37 @@ printf "Bullet 2.83.5... "
 		printf "Exists. (No version checking) "
 	elif [ -z $SKIP_EXTRACT ]; then
 		rm -rf Bullet
-		eval 7z x -y $DEPS/Bullet-2.83.5-win$BITS.7z $STRIP
-		mv Bullet-2.83.5-win$BITS Bullet
+		eval 7z x -y "${DEPS}/Bullet-2.83.7-msvc${MSVC_YEAR}-win${BITS}.7z" $STRIP
+		mv "Bullet-2.83.7-msvc${MSVC_YEAR}-win${BITS}" Bullet
 	fi
 
-	export BULLET_ROOT="`real_pwd`/Bullet"
+	export BULLET_ROOT="$(real_pwd)/Bullet"
 
 	echo Done.
 }
 cd $DEPS
+echo
 
 # FFmpeg
-printf "FFmpeg 2.5.2... "
+printf "FFmpeg 3.0.1... "
 {
 	cd $DEPS_INSTALL
 
-	if [ -d FFmpeg ] && grep "FFmpeg version: 2.5.2" FFmpeg/README.txt > /dev/null; then
+	if [ -d FFmpeg ] && grep "FFmpeg version: 3.0.1" FFmpeg/README.txt > /dev/null; then
 		printf "Exists. "
 	elif [ -z $SKIP_EXTRACT ]; then
 		rm -rf FFmpeg
 
-		eval 7z x -y $DEPS/ffmpeg$BITS-2.5.2.7z $STRIP
-		eval 7z x -y $DEPS/ffmpeg$BITS-2.5.2-dev.7z $STRIP
+		eval 7z x -y "${DEPS}/ffmpeg-3.0.1-win${BITS}.7z" $STRIP
+		eval 7z x -y "${DEPS}/ffmpeg-3.0.1-dev-win${BITS}.7z" $STRIP
 
-		mv ffmpeg-2.5.2-win$BITS-shared FFmpeg
-		cp -r ffmpeg-2.5.2-win$BITS-dev/* FFmpeg/
-		rm -rf ffmpeg-2.5.2-win$BITS-dev
+		mv "ffmpeg-3.0.1-win${BITS}-shared" FFmpeg
+		cp -r "ffmpeg-3.0.1-win${BITS}-dev/"* FFmpeg/
+		rm -rf "ffmpeg-3.0.1-win${BITS}-dev"
 	fi
 
-	export FFMPEG_HOME="`real_pwd`/FFmpeg"
-	add_runtime_dlls `pwd`/FFmpeg/bin/{avcodec-56,avformat-56,avutil-54,swresample-1,swscale-3}.dll
+	export FFMPEG_HOME="$(real_pwd)/FFmpeg"
+	add_runtime_dlls "$(pwd)/FFmpeg/bin/"{avcodec-57,avformat-57,avutil-55,swresample-2,swscale-4}.dll
 
 	if [ $BITS -eq 32 ]; then
 		add_cmake_opts "-DCMAKE_EXE_LINKER_FLAGS=\"/machine:X86 /safeseh:no\""
@@ -410,36 +457,38 @@ printf "FFmpeg 2.5.2... "
 	echo Done.
 }
 cd $DEPS
+echo
 
 # MyGUI
-printf "MyGUI 3.2.2... "
+printf "MyGUI 3.2.3-git... "
 {
 	cd $DEPS_INSTALL
 
 	if [ -d MyGUI ] && \
 		grep "MYGUI_VERSION_MAJOR 3" MyGUI/include/MYGUI/MyGUI_Prerequest.h > /dev/null && \
 		grep "MYGUI_VERSION_MINOR 2" MyGUI/include/MYGUI/MyGUI_Prerequest.h > /dev/null && \
-		grep "MYGUI_VERSION_PATCH 2" MyGUI/include/MYGUI/MyGUI_Prerequest.h > /dev/null
+		grep "MYGUI_VERSION_PATCH 3" MyGUI/include/MYGUI/MyGUI_Prerequest.h > /dev/null
 	then
 		printf "Exists. "
 	elif [ -z $SKIP_EXTRACT ]; then
 		rm -rf MyGUI
-		eval 7z x -y $DEPS/MyGUI-3.2.2-win$BITS.7z $STRIP
-		mv MyGUI-3.2.2-win$BITS MyGUI
+		eval 7z x -y "${DEPS}/MyGUI-3.2.3-git-msvc${MSVC_YEAR}-win${BITS}.7z" $STRIP
+		mv "MyGUI-3.2.3-git-msvc${MSVC_YEAR}-win${BITS}" MyGUI
 	fi
 
-	export MYGUI_HOME="`real_pwd`/MyGUI"
+	export MYGUI_HOME="$(real_pwd)/MyGUI"
 
 	if [ $CONFIGURATION == "Debug" ]; then
 		SUFFIX="_d"
 	else
 		SUFFIX=""
 	fi
-	add_runtime_dlls `pwd`/MyGUI/bin/$CONFIGURATION/MyGUIEngine$SUFFIX.dll
+	add_runtime_dlls "$(pwd)/MyGUI/bin/${CONFIGURATION}/MyGUIEngine${SUFFIX}.dll"
 
 	echo Done.
 }
 cd $DEPS
+echo
 
 # OpenAL
 printf "OpenAL-Soft 1.16.0... "
@@ -451,7 +500,7 @@ printf "OpenAL-Soft 1.16.0... "
 		eval 7z x -y OpenAL-Soft-1.16.0.zip $STRIP
 	fi
 
-	OPENAL_SDK="`real_pwd`/openal-soft-1.16.0-bin"
+	OPENAL_SDK="$(real_pwd)/openal-soft-1.16.0-bin"
 
 	add_cmake_opts -DOPENAL_INCLUDE_DIR="$OPENAL_SDK/include/AL" \
 		-DOPENAL_LIBRARY="$OPENAL_SDK/libs/Win$BITS/OpenAL32.lib"
@@ -459,25 +508,26 @@ printf "OpenAL-Soft 1.16.0... "
 	echo Done.
 }
 cd $DEPS
+echo
 
 # OSG
-printf "OSG 3.3.8... "
+printf "OSG 3.4.0-scrawl... "
 {
 	cd $DEPS_INSTALL
 
 	if [ -d OSG ] && \
 		grep "OPENSCENEGRAPH_MAJOR_VERSION    3" OSG/include/osg/Version > /dev/null && \
-		grep "OPENSCENEGRAPH_MINOR_VERSION    3" OSG/include/osg/Version > /dev/null && \
-		grep "OPENSCENEGRAPH_PATCH_VERSION    8" OSG/include/osg/Version > /dev/null
+		grep "OPENSCENEGRAPH_MINOR_VERSION    4" OSG/include/osg/Version > /dev/null && \
+		grep "OPENSCENEGRAPH_PATCH_VERSION    0" OSG/include/osg/Version > /dev/null
 	then
 		printf "Exists. "
 	elif [ -z $SKIP_EXTRACT ]; then
 		rm -rf OSG
-		eval 7z x -y $DEPS/OSG-3.3.8-win$BITS.7z $STRIP
-		mv OSG-3.3.8-win$BITS OSG
+		eval 7z x -y "${DEPS}/OSG-3.4.0-scrawl-msvc${MSVC_YEAR}-win${BITS}.7z" $STRIP
+		mv "OSG-3.4.0-scrawl-msvc${MSVC_YEAR}-win${BITS}" OSG
 	fi
 
-	OSG_SDK="`real_pwd`/OSG"
+	OSG_SDK="$(real_pwd)/OSG"
 
 	add_cmake_opts -DOSG_DIR="$OSG_SDK"
 
@@ -487,82 +537,96 @@ printf "OSG 3.3.8... "
 		SUFFIX=""
 	fi
 
-	add_runtime_dlls `pwd`/OSG/bin/{OpenThreads,zlib}$SUFFIX.dll \
-		`pwd`/OSG/bin/osg{,Animation,DB,FX,GA,Particle,Qt,Text,Util,Viewer}$SUFFIX.dll
+	add_runtime_dlls "$(pwd)/OSG/bin/"{OpenThreads,zlib}${SUFFIX}.dll \
+		"$(pwd)/OSG/bin/osg"{,Animation,DB,FX,GA,Particle,Text,Util,Viewer}${SUFFIX}.dll
 
-	add_osg_dlls `pwd`/OSG/bin/osgPlugins-3.3.8/osgdb_{bmp,dds,gif,jpeg,png,tga}$SUFFIX.dll
+	add_osg_dlls "$(pwd)/OSG/bin/osgPlugins-3.4.0/osgdb_"{bmp,dds,jpeg,png,tga}${SUFFIX}.dll
 
 	echo Done.
 }
 cd $DEPS
+echo
 
 # Qt
 if [ -z $APPVEYOR ]; then
-	printf "Qt 4.8.6... "
+	printf "Qt 5.7.0... "
 else
-	printf "Qt 5.4... "
+	printf "Qt 5.7 AppVeyor... "
 fi
 {
+	if [ $BITS -eq 64 ]; then
+		SUFFIX="_64"
+	else
+		SUFFIX=""
+	fi
+
 	if [ -z $APPVEYOR ]; then
 		cd $DEPS_INSTALL
-		QT_SDK="`real_pwd`/Qt"
+		QT_SDK="$(real_pwd)/Qt/5.7/msvc${MSVC_YEAR}${SUFFIX}"
 
-		if [ -d Qt ] && head -n2 Qt/BUILDINFO.txt | grep "4.8.6" > /dev/null; then
+		if [ -d Qt ] && head -n2 Qt/InstallationLog.txt | grep "5.7.0" > /dev/null; then
 			printf "Exists. "
 		elif [ -z $SKIP_EXTRACT ]; then
 			rm -rf Qt
-			eval 7z x -y $DEPS/qt$BITS-4.8.6.7z $STRIP
-			mv qt-4.8.6-* Qt
-			cd Qt
-			eval ./qtbinpatcher.exe $STRIP
+			cp "${DEPS}/qt-5-install.qs" qt-install.qs
+
+
+			sed -i "s|INSTALL_DIR|$(real_pwd)/Qt|" qt-install.qs
+			sed -i "s/qt.VERSION.winBITS_msvcYEAR/qt.57.win${BITS}_msvc${MSVC_YEAR}${SUFFIX}/" qt-install.qs
+
+			printf "(Installation might take a while) "
+			"${DEPS}/qt-5.7.0-msvc${MSVC_YEAR}-win${BITS}.exe" --script qt-install.qs --silent
+
+			mv qt-install.qs Qt/
+
+			echo Done.
+			printf "  Cleaning up extraneous data... "
+			rm -r "$(real_pwd)/Qt/"{Docs,Examples,Tools,vcredist,MaintenanceTool.*}
 		fi
 
 		cd $QT_SDK
 
-		add_cmake_opts -DDESIRED_QT_VERSION=4 \
-			-DQT_QMAKE_EXECUTABLE="$QT_SDK/bin/qmake.exe"
+		add_cmake_opts -DDESIRED_QT_VERSION=5 \
+			-DQT_QMAKE_EXECUTABLE="$QT_SDK/bin/qmake.exe" \
+			-DCMAKE_PREFIX_PATH="$QT_SDK"
 
 		if [ $CONFIGURATION == "Debug" ]; then
-			SUFFIX="d4"
-		else
-			SUFFIX="4"
+			SUFFIX="d"
 		fi
 
-		add_runtime_dlls `pwd`/bin/Qt{Core,Gui,Network,OpenGL}$SUFFIX.dll
+		add_runtime_dlls "$(pwd)/bin/Qt5"{Core,Gui,Network,OpenGL}$SUFFIX.dll
 
 		echo Done.
 	else
-		if [ $BITS -eq 32 ]; then
-			QT_SDK="C:/Qt/5.4/msvc2013_opengl"
-		else
-			QT_SDK="C:/Qt/5.4/msvc2013_64_opengl"
-		fi
+		QT_SDK="C:/Qt/5.7/msvc${MSVC_YEAR}${SUFFIX}"
 
 		add_cmake_opts -DDESIRED_QT_VERSION=5 \
 			-DQT_QMAKE_EXECUTABLE="$QT_SDK/bin/qmake.exe" \
 			-DCMAKE_PREFIX_PATH="$QT_SDK"
 
-		echo AppVeyor.
+		echo Done.
 	fi
 }
 cd $DEPS
+echo
 
 # SDL2
-printf "SDL 2.0.3... "
+printf "SDL 2.0.4... "
 {
-	if [ -d SDL2-2.0.3 ]; then
+	if [ -d SDL2-2.0.4 ]; then
 		printf "Exists. "
 	elif [ -z $SKIP_EXTRACT ]; then
-		rm -rf SDL2-2.0.3
-		eval 7z x -y SDL2-2.0.3.zip $STRIP
+		rm -rf SDL2-2.0.4
+		eval 7z x -y SDL2-2.0.4.zip $STRIP
 	fi
 
-	export SDL2DIR="`real_pwd`/SDL2-2.0.3"
+	export SDL2DIR="$(real_pwd)/SDL2-2.0.4"
 
-	add_runtime_dlls $SDL2DIR/lib/x$ARCHSUFFIX/SDL2.dll
+	add_runtime_dlls "${SDL2DIR}/lib/x${ARCHSUFFIX}/SDL2.dll"
 
 	echo Done.
 }
+echo
 
 
 cd $DEPS_INSTALL/..
@@ -575,12 +639,10 @@ add_cmake_opts -DBUILD_BSATOOL=no \
 	-DBUILD_MYGUI_PLUGIN=no \
 	-DOPENMW_MP_BUILD=on
 
-if [ -z $CI ]; then
-	echo "  (Outside of CI, doing full build.)"
-else
+if [ ! -z $CI ]; then
 	case $STEP in
 		components )
-			echo "  Subproject: Components."
+			echo "  Building subproject: Components."
 			add_cmake_opts -DBUILD_ESSIMPORTER=no \
 				-DBUILD_LAUNCHER=no \
 				-DBUILD_MWINIIMPORTER=no \
@@ -588,77 +650,80 @@ else
 				-DBUILD_OPENMW=no \
 				-DBUILD_WIZARD=no
 			;;
+
 		openmw )
-			echo "  Subproject: OpenMW."
+			echo "  Building subproject: OpenMW."
 			add_cmake_opts -DBUILD_ESSIMPORTER=no \
 				-DBUILD_LAUNCHER=no \
 				-DBUILD_MWINIIMPORTER=no \
 				-DBUILD_OPENCS=no \
 				-DBUILD_WIZARD=no
 			;;
+
 		opencs )
-			echo "  Subproject: OpenCS."
+			echo "  Building subproject: OpenCS."
 			add_cmake_opts -DBUILD_ESSIMPORTER=no \
 				-DBUILD_LAUNCHER=no \
 				-DBUILD_MWINIIMPORTER=no \
 				-DBUILD_OPENMW=no \
 				-DBUILD_WIZARD=no
 			;;
+
 		misc )
-			echo "  Subproject: Misc."
+			echo "  Building subprojects: Misc."
 			add_cmake_opts -DBUILD_OPENCS=no \
 				-DBUILD_OPENMW=no
 			;;
-		* )
-			echo "  Building everything."
-			;;
 	esac
 fi
 
 if [ -z $VERBOSE ]; then
-	printf "  Configuring... "
+	printf "- Configuring... "
 else
-	echo "  cmake .. $CMAKE_OPTS"
+	echo "- cmake .. $CMAKE_OPTS"
 fi
 
 run_cmd cmake .. $CMAKE_OPTS
 RET=$?
 
 if [ -z $VERBOSE ]; then
-	if [ $RET -eq 0 ]; then echo Done.
-	else echo Failed.; fi
+	if [ $RET -eq 0 ]; then
+		echo Done.
+	else
+		echo Failed.
+	fi
 fi
 
 echo
 
 # NOTE: Disable this when/if we want to run test cases
 if [ -z $CI ]; then
-	echo "Copying Runtime DLLs..."
-	mkdir -p $CONFIGURATION
+	echo "- Copying Runtime DLLs..."
+	mkdir -p $BUILD_CONFIG
 	for DLL in $RUNTIME_DLLS; do
 		echo "  `basename $DLL`."
-		cp "$DLL" $CONFIGURATION/
+		cp "$DLL" $BUILD_CONFIG/
 	done
-	echo "OSG Plugin DLLs..."
-	mkdir -p $CONFIGURATION/osgPlugins-3.3.8
+	echo "- OSG Plugin DLLs..."
+	mkdir -p $BUILD_CONFIG/osgPlugins-3.4.0
 	for DLL in $OSG_PLUGINS; do
 		echo "  `basename $DLL`."
-		cp "$DLL" $CONFIGURATION/osgPlugins-3.3.8
+		cp "$DLL" $BUILD_CONFIG/osgPlugins-3.4.0
 	done
 	echo
 	
-	echo "Copying Runtime Resources/Config Files"
+	echo "- Copying Runtime Resources/Config Files"
 	
-	echo "  gamecontrollerdb.txt"
-	cp $CONFIGURATION/../gamecontrollerdb.txt $CONFIGURATION/gamecontrollerdb.txt
-	echo "  openmw.cfg"
-	cp $CONFIGURATION/../openmw.cfg.install $CONFIGURATION/openmw.cfg
-	echo "  openmw-cs.cfg"
-	cp $CONFIGURATION/../openmw-cs.cfg $CONFIGURATION/openmw-cs.cfg
-	echo "  settings-default.cfg"
-	cp $CONFIGURATION/../settings-default.cfg $CONFIGURATION/settings-default.cfg
-	echo "  resources/"
-	cp -r $CONFIGURATION/../resources $CONFIGURATION/resources
+	echo "    gamecontrollerdb.txt"
+	cp gamecontrollerdb.txt $BUILD_CONFIG/gamecontrollerdb.txt
+	echo "    openmw.cfg"
+	cp openmw.cfg.install $BUILD_CONFIG/openmw.cfg
+	echo "    openmw-cs.cfg"
+	cp openmw-cs.cfg $BUILD_CONFIG/openmw-cs.cfg
+	echo "    settings-default.cfg"
+	cp settings-default.cfg $BUILD_CONFIG/settings-default.cfg
+	echo "    resources/"
+	cp -r resources $BUILD_CONFIG/resources
 fi
 
 exit $RET
diff --git a/CI/build.msvc.sh b/CI/build.msvc.sh
index 731c51eda..f8d5a2f24 100644
--- a/CI/build.msvc.sh
+++ b/CI/build.msvc.sh
@@ -1,5 +1,13 @@
 #!/bin/bash
 
+APPVEYOR=""
+CI=""
+
+PACKAGE=""
+PLATFORM=""
+CONFIGURATION=""
+VS_VERSION=""
+
 if [ -z $PLATFORM ]; then
 	PLATFORM=`uname -m`
 fi
@@ -8,39 +16,63 @@ if [ -z $CONFIGURATION ]; then
 	CONFIGURATION="Debug"
 fi
 
+case $VS_VERSION in
+	14|14.0|2015 )
+		GENERATOR="Visual Studio 14 2015"
+		MSVC_YEAR="2015"
+		MSVC_VER="14.0"
+		;;
+
+#	12|2013|
+	* )
+		GENERATOR="Visual Studio 12 2013"
+		MSVC_YEAR="2013"
+		MVSC_VER="12.0"
+		;;
+esac
+
 case $PLATFORM in
+	x64|x86_64|x86-64|win64|Win64 )
+		BITS=64
+		;;
+
 	x32|x86|i686|i386|win32|Win32 )
 		BITS=32
-		PLATFORM=Win32
 		;;
+esac
 
-	x64|x86_64|x86-64|win64|Win64 )
-		BITS=64
-		PLATFORM=x64
+case $CONFIGURATION in
+	debug|Debug|DEBUG )
+		CONFIGURATION=Debug
 		;;
 
-	* )
-		echo "Unknown platform $PLATFORM."
-		exit 1 ;;
+	release|Release|RELEASE )
+		CONFIGURATION=Release
+		;;
+
+	relwithdebinfo|RelWithDebInfo|RELWITHDEBINFO )
+		CONFIGURATION=RelWithDebInfo
+		;;
 esac
 
 if [ -z $APPVEYOR ]; then
-	echo "Running $BITS-bit $CONFIGURATION build outside of Appveyor."
+	echo "Running ${BITS}-bit MSVC${MSVC_YEAR} ${CONFIGURATION} build outside of Appveyor."
 
 	DIR=$(echo "$0" | sed "s,\\\\,/,g" | sed "s,\(.\):,/\\1,")
 	cd $(dirname "$DIR")/..
 else
-	echo "Running $BITS-bit $CONFIGURATION build in Appveyor."
+	echo "Running ${BITS}-bit MSVC${MSVC_YEAR} ${CONFIGURATION} build in Appveyor."
 
 	cd $APPVEYOR_BUILD_FOLDER
 fi
 
-cd build_$BITS
+BUILD_DIR="MSVC${MSVC_YEAR}_${BITS}"
+cd ${BUILD_DIR}
 
 which msbuild > /dev/null
 if [ $? -ne 0 ]; then
 	msbuild() {
-		/c/Program\ Files\ \(x86\)/MSBuild/12.0/Bin/MSBuild.exe "$@"
+		/c/Program\ Files\ \(x86\)/MSBuild/${MSVC_VER}/Bin/MSBuild.exe "$@"
 	}
 fi
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f38b8b26..aef39ea11 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -599,6 +599,7 @@ if (WIN32)
         # They're unneeded and sometimes completely retarded warnings that /Wall enables
         # Not going to bother commenting them as they tend to warn on every standard library file
         4061 4263 4264 4266 4350 4371 4435 4514 4548 4571 4610 4619 4623 4625 4626 4628 4640 4668 4710 4711 4820 4826 4917 4946
+        5026 5027
 
         # Warnings that are thrown on standard libraries and not OpenMW
         4347 # Non-template function with same name and parameter count as template function
@@ -610,8 +611,15 @@ if (WIN32)
         4987 # nonstandard extension used (triggered by setjmp.h)
         4996 # Function was declared deprecated
 
+        # caused by OSG
+        4589 # Constructor of abstract class 'osg::Operation' ignores initializer for virtual base class 'osg::Referenced' (False warning)
+
         # caused by boost
         4191 # 'type cast' : unsafe conversion (1.56, thread_primitives.hpp, normally off)
+        5031 # #pragma warning(pop): likely mismatch, popping warning state pushed in different file (config_begin.hpp, config_end.hpp)
+
+        # caused by MyGUI
+        4275 # non dll-interface class 'std::exception' used as base for dll-interface class 'MyGUI::Exception'
 
         # OpenMW specific warnings
         4099 # Type mismatch, declared class or struct is defined with other type
@@ -626,9 +634,11 @@ if (WIN32)
         4309 # Variable overflow, trying to store 128 in a signed char for example
         4351 # New behavior: elements of array 'array' will be default initialized (desired behavior)
         4355 # Using 'this' in member initialization list
+        4464 # relative include path contains '..'
         4505 # Unreferenced local function has been removed
         4701 # Potentially uninitialized local variable used
         4702 # Unreachable code
+        4714 # function 'QString QString::trimmed(void) &&' marked as __forceinline not inlined
         4800 # Boolean optimization warning, e.g. myBool = (myInt != 0) instead of myBool = myInt
         )
 
diff --git a/appveyor.yml b/appveyor.yml
index 1bc0d3ca6..7eab7a661 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,38 +6,49 @@ branches:
         - /openmw-.*$/
         - appveyor
 
+environment:
+    matrix:
+        - msvc: 2013
+        - msvc: 2015
+
 platform:
     - Win32
-#    - x64
-
-configuration: Debug
+#   - x64
 
-matrix:
-    fast_finish: true
+configuration:
+    - Debug
+#   - Release
 
 # For the Qt, Boost, CMake, etc installs
-os: unstable
+os: Visual Studio 2015
 
 # We want the git revision for versioning,
 # so shallow clones don't work.
 clone_depth: 1
 
 cache:
-    - C:\projects\openmw\deps\Bullet-2.83.5-win32.7z
-    - C:\projects\openmw\deps\Bullet-2.83.5-win64.7z
-    - C:\projects\openmw\deps\MyGUI-3.2.2-win32.7z
-    - C:\projects\openmw\deps\MyGUI-3.2.2-win64.7z
-    - C:\projects\openmw\deps\OSG-3.3.8-win32.7z
-    - C:\projects\openmw\deps\OSG-3.3.8-win64.7z
-    - C:\projects\openmw\deps\ffmpeg32-2.5.2.7z
-    - C:\projects\openmw\deps\ffmpeg32-2.5.2-dev.7z
-    - C:\projects\openmw\deps\ffmpeg64-2.5.2.7z
-    - C:\projects\openmw\deps\ffmpeg64-2.5.2-dev.7z
+    - C:\projects\openmw\deps\Bullet-2.83.7-msvc2013-win32.7z
+    - C:\projects\openmw\deps\Bullet-2.83.7-msvc2013-win64.7z
+    - C:\projects\openmw\deps\Bullet-2.83.7-msvc2015-win32.7z
+    - C:\projects\openmw\deps\Bullet-2.83.7-msvc2015-win64.7z
+    - C:\projects\openmw\deps\MyGUI-3.2.3-git-msvc2013-win32.7z
+    - C:\projects\openmw\deps\MyGUI-3.2.3-git-msvc2013-win32.7z
+    - C:\projects\openmw\deps\MyGUI-3.2.3-git-msvc2015-win64.7z
+    - C:\projects\openmw\deps\MyGUI-3.2.3-git-msvc2015-win64.7z
+    - C:\projects\openmw\deps\OSG-3.4.0-scrawl-msvc2013-win32.7z
+    - C:\projects\openmw\deps\OSG-3.4.0-scrawl-msvc2013-win32.7z
+    - C:\projects\openmw\deps\OSG-3.4.0-scrawl-msvc2015-win64.7z
+    - C:\projects\openmw\deps\OSG-3.4.0-scrawl-msvc2015-win64.7z
+    - C:\projects\openmw\deps\ffmpeg-3.0.1-dev-win32.7z
+    - C:\projects\openmw\deps\ffmpeg-3.0.1-dev-win64.7z
+    - C:\projects\openmw\deps\ffmpeg-3.0.1-win32.7z
+    - C:\projects\openmw\deps\ffmpeg-3.0.1-win64.7z
+    - C:\projects\openmw\deps\qt-5-install.qs
 
 clone_folder: C:\projects\openmw
 
 before_build:
-    - cmd: sh %APPVEYOR_BUILD_FOLDER%\CI\before_script.msvc.sh -u -p %PLATFORM%
+    - cmd: sh %APPVEYOR_BUILD_FOLDER%\CI\before_script.msvc.sh -u -p %PLATFORM% -v %msvc%
 
 build_script:
     - cmd: if %PLATFORM%==Win32 set build=Build_32