autotest: make bat files work with multiple versions of flightgear

Tools/autotest/fg_plane_view.bat

@@ -1,25 +1,26 @@
-set AUTOTESTDIR="%~dp0\aircraft"
-
-c:
-cd "\Program Files\FlightGear 3.4.0\bin"
-fgfs ^
-    --native-fdm=socket,in,10,,5503,udp ^
-    --fdm=external ^
-    --aircraft=Rascal110-JSBSim ^
-    --fg-aircraft=%AUTOTESTDIR% ^
-    --airport=KSFO ^
-    --geometry=650x550 ^
-    --bpp=32 ^
-    --disable-anti-alias-hud ^
-    --disable-hud-3d ^
-    --disable-horizon-effect ^
-    --timeofday=noon ^
-    --disable-sound ^
-    --disable-fullscreen ^
-    --disable-random-objects ^
-    --disable-ai-models ^
-    --fog-disable ^
-    --disable-specular-highlight ^
-    --disable-anti-alias-hud ^
-    --wind=0@0
-pause
+set AUTOTESTDIR="%~dp0\aircraft"
+
+FOR /F "delims=" %%D in ('dir /b "\Program Files"\FlightGear*') DO set FGDIR=%%D
+echo "Using FlightGear %FGDIR%"
+cd "\Program Files\%FGDIR%\bin"
+fgfs ^
+    --native-fdm=socket,in,10,,5503,udp ^
+    --fdm=external ^
+    --aircraft=Rascal110-JSBSim ^
+    --fg-aircraft=%AUTOTESTDIR% ^
+    --airport=KSFO ^
+    --geometry=650x550 ^
+    --bpp=32 ^
+    --disable-anti-alias-hud ^
+    --disable-hud-3d ^
+    --disable-horizon-effect ^
+    --timeofday=noon ^
+    --disable-sound ^
+    --disable-fullscreen ^
+    --disable-random-objects ^
+    --disable-ai-models ^
+    --fog-disable ^
+    --disable-specular-highlight ^
+    --disable-anti-alias-hud ^
+    --wind=0@0
+pause

Tools/autotest/fg_quad_view.bat

@@ -1,25 +1,27 @@
-set AUTOTESTDIR="%~dp0\aircraft"
-
-c:
-cd "\Program Files\FlightGear 3.4.0\bin"
-fgfs ^
-    --native-fdm=socket,in,10,,5503,udp ^
-    --fdm=external ^
-    --aircraft=arducopter ^
-    --fg-aircraft=%AUTOTESTDIR% ^
-    --airport=KSFO ^
-    --geometry=650x550 ^
-    --bpp=32 ^
-    --disable-anti-alias-hud ^
-    --disable-hud-3d ^
-    --disable-horizon-effect ^
-    --timeofday=noon ^
-    --disable-sound ^
-    --disable-fullscreen ^
-    --disable-random-objects ^
-    --disable-ai-models ^
-    --fog-disable ^
-    --disable-specular-highlight ^
-    --disable-anti-alias-hud ^
-    --wind=0@0
-pause
+set AUTOTESTDIR="%~dp0\aircraft"
+c:
+FOR /F "delims=" %%D in ('dir /b "\Program Files"\FlightGear*') DO set FGDIR=%%D
+echo "Using FlightGear %FGDIR%"
+cd "\Program Files\%FGDIR%\bin"
+
+fgfs ^
+    --native-fdm=socket,in,10,,5503,udp ^
+    --fdm=external ^
+    --aircraft=arducopter ^
+    --fg-aircraft=%AUTOTESTDIR% ^
+    --airport=KSFO ^
+    --geometry=650x550 ^
+    --bpp=32 ^
+    --disable-anti-alias-hud ^
+    --disable-hud-3d ^
+    --disable-horizon-effect ^
+    --timeofday=noon ^
+    --disable-sound ^
+    --disable-fullscreen ^
+    --disable-random-objects ^
+    --disable-ai-models ^
+    --fog-disable ^
+    --disable-specular-highlight ^
+    --disable-anti-alias-hud ^
+    --wind=0@0
+pause