Map Tools - Show GPS on Map when equipped with UAV Terminal (#9885)

* Show Map GPS when equipped with UAV Terminal

* Update Maptools Documentation

* Reword documentation

* Reword docs, remove dash

Co-authored-by: Jouni Järvinen <rautamiekka@users.noreply.github.com>

* Allow GPS when terminal slot is not empty

* Allow GPS on map when GPS sidepanel is available

* Reword docs

Co-authored-by: Grim <69561145+LinkIsGrim@users.noreply.github.com>

* Return statement - remove ; and add comment

Co-authored-by: Grim <69561145+LinkIsGrim@users.noreply.github.com>

---------

Co-authored-by: Jouni Järvinen <rautamiekka@users.noreply.github.com>
Co-authored-by: Grim <69561145+LinkIsGrim@users.noreply.github.com>

addons/maptools/functions/fnc_canUseMapGPS.sqf

@@ -15,6 +15,10 @@
  * Public: No
  */
 
-visibleMap &&
-{alive ACE_player} &&
-{"ItemGPS" in (assignedItems ACE_player)}
+if (!visibleMap || {!alive ACE_player}) exitWith {false};
+
+private _gpsOpened = visibleGPS;
+private _gpsAvailable = openGPS true;
+if (!_gpsOpened) then {openGPS false};
+
+_gpsAvailable // return

docs/wiki/feature/maptools.md

@@ -25,7 +25,7 @@ This adds map tools that can be used to measure distances between two points or
 This adds a plotting board that can be used to aid in the rapid usage and adjustment of short-ranged indirect fires, as well as quick measurements of directions and distances between points, and general land-navigation.
 
 ### 1.4 GPS on map
-If you are equipped with a vanilla GPS it will be shown on the map. (You don't need the `Map Tools` item in your inventory for this.)
+If you have GPS capability, a GPS display will be shown on the map, indicating current grid position. (You don't need the `Map Tools` item in your inventory for this.)
 
 ## 2. Usage