add a fallback if nuget is not available on the system

thirdparty/fetch-thirdparty-deps-windows.sh

@@ -8,30 +8,39 @@ download_dir="${0%/*}/download/windows"
 mkdir -p "${download_dir}"
 cd "${download_dir}"
 
+function get()
+{
+	if which nuget >/dev/null; then
+		nuget install $1 -Version $2 -ExcludeVersion
+	else
+		../../noget.sh $1 $2
+	fi
+}
+
 if [ ! -f SDL2.dll ]; then
 	echo "Fetching SDL2 from nuget"
-	nuget install sdl2 -Version 2.0.3 -ExcludeVersion
+	get sdl2.redist 2.0.3
 	cp ./sdl2.redist/build/native/bin/Win32/dynamic/SDL2.dll .
-	rm -rf sdl2 sdl2.redist
+	rm -rf sdl2.redist
 fi
 
 if [ ! -f freetype6.dll ]; then
 	echo "Fetching FreeType2 from nuget"
-	nuget install SharpFont.Dependencies -Version 2.5.5.1 -ExcludeVersion
+	get SharpFont.Dependencies 2.5.5.1
 	cp ./SharpFont.Dependencies/bin/msvc10/x86/freetype6.dll .
 	rm -rf SharpFont.Dependencies
 fi
 
 if [ ! -f lua51.dll ]; then
 	echo "Fetching Lua 5.1 from nuget"
-	nuget install lua.binaries -Version 5.1.5 -ExcludeVersion
+	get lua.binaries 5.1.5
 	cp ./lua.binaries/bin/win32/dll8/lua5.1.dll ./lua51.dll
 	rm -rf lua.binaries
 fi
 
 if [ ! -f soft_oal.dll ]; then
 	echo "Fetching OpenAL Soft from nuget"
-	nuget install OpenAL-Soft -Version 1.16.0 -ExcludeVersion
+	get OpenAL-Soft 1.16.0
 	cp ./OpenAL-Soft/bin/Win32/soft_oal.dll ./soft_oal.dll
 	rm -rf OpenAL-Soft
 fi