Simple player interface is preferable.
Player types in dot command: .spot "direction" "yards". Direction 0 to 360 like a Compass heading.
Yards would depend on how far the nearest base capable of arty is located and a range of 500 to 5000 yards from the players location.
After it hits. player can call in a correct "direction" "yards" relative to his original spot.
He could walk the shot forward, left, or right, ect. until it reaches the desired location.
Then he could call in a barrage where the shells will start to come in. Twenty to twenty five shells will hit around the
Desired location. A nice feature would be if the player could call in another barge w/o going through the spot and correct dot commands.
Good idea.....call in arty with a storch.
Certain gv's like jeeps,m-3's, That carry supplies would make good candidates. The M-8 would be a candidate as well since it is used for recon.
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mano