Install x64 release into correct Program Files on Windows.

packaging/windows/OpenRA.nsi

@@ -14,7 +14,6 @@
 ;  You should have received a copy of the GNU General Public License
 ;  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
 
-
 !include "MUI2.nsh"
 !include "FileFunc.nsh"
 !include "WordFunc.nsh"
@@ -24,8 +23,20 @@ OutFile "OpenRA.Setup.exe"
 
 ManifestDPIAware true
 
-InstallDir "$PROGRAMFILES\OpenRA${SUFFIX}"
-InstallDirRegKey HKLM "Software\OpenRA${SUFFIX}" "InstallDir"
+Function .onInit
+	!ifndef USE_PROGRAMFILES32
+		SetRegView 64
+	!endif
+	ReadRegStr $INSTDIR HKLM "Software\OpenRA${SUFFIX}" "InstallDir"
+	StrCmp $INSTDIR "" unset done
+	unset:
+	!ifndef USE_PROGRAMFILES32
+		StrCpy $INSTDIR "$PROGRAMFILES64\OpenRA${SUFFIX}"
+	!else
+		StrCpy $INSTDIR "$PROGRAMFILES32\OpenRA${SUFFIX}"
+	!endif
+	done:
+FunctionEnd
 
 SetCompressor lzma
 RequestExecutionLevel admin

packaging/windows/buildpackage.sh

@@ -40,8 +40,10 @@ function build_platform()
 	echo "Building core files ($1)"
 	if [ "$1" = "x86" ]; then
 		IS_WIN32="WIN32=true"
+		USE_PROGRAMFILES32="-DUSE_PROGRAMFILES32=true"
 	else
 		IS_WIN32="WIN32=false"
+		USE_PROGRAMFILES32=""
 	fi
 
 	pushd "${SRCDIR}" > /dev/null || exit 1
@@ -69,7 +71,7 @@ function build_platform()
 	markdown "${SRCDIR}/CONTRIBUTING.md" > "${BUILTDIR}/CONTRIBUTING.html"
 
 	echo "Building Windows setup.exe ($1)"
-	makensis -V2 -DSRCDIR="${BUILTDIR}" -DDEPSDIR="${SRCDIR}/thirdparty/download/windows" -DTAG="${TAG}" -DSUFFIX="${SUFFIX}" OpenRA.nsi
+	makensis -V2 -DSRCDIR="${BUILTDIR}" -DDEPSDIR="${SRCDIR}/thirdparty/download/windows" -DTAG="${TAG}" -DSUFFIX="${SUFFIX}" ${USE_PROGRAMFILES32} OpenRA.nsi
 	if [ $? -eq 0 ]; then
 		mv OpenRA.Setup.exe "${OUTPUTDIR}/OpenRA-$TAG-$1.exe"
 	else