Draw On Map

 fnc_marker_keyDown_EH = {
	private ["_control","_random","_pos3d","_mrkr"];
	_control = ((findDisplay 12) displayCtrl 51);
	_mouseCursorPositionX = _this select 1;
	_mouseCursorPositionY = _this select 2;
	_random = str(ceil(random 999999));
	_pos3d = _control posScreenToWorld [_mouseCursorPositionX,_mouseCursorPositionY];
	_mrkr = createMarker [_random,_pos3d];
	_mrkr setMarkerType "DestroyedVehicle";
	_mrkr setMarkerText " ";
	_mrkr setMarkerColor ("ColorRed");
};

fnc_map_mouseButtonDblClick_EH = {
	if (isNil "MouseMovingEHactive") then {MouseMovingEHactive = 0;};
	if (MouseMovingEHactive == 0) then {
		MouseMovingEHactive = 1;
		((findDisplay 12) displayCtrl 51) ctrlAddEventHandler ["MouseMoving", "_this call fnc_marker_keyDown_EH"];
	} else {
		MouseMovingEHactive = 0;
		((findDisplay 12) displayCtrl 51) ctrlRemoveAllEventHandlers "MouseMoving";
	};
};

if (isNil "MouseClickEH") then {MouseClickEH = 0;};
if (MouseClickEH == 0) then {
	MouseClickEH = 1;
	systemChat "Draw on map enabled";
	waitUntil {sleep 0.1;(visibleMap)};
	systemChat "Click on map to start drawing! Click again to stop drawing!";
	((findDisplay 12) displayCtrl 51) ctrlAddEventHandler ["MouseButtonClick", "_this call fnc_map_mouseButtonDblClick_EH"];
} else {
	MouseClickEH = 0;
	((findDisplay 12) displayCtrl 51) ctrlRemoveAllEventHandlers "MouseButtonClick";
	systemChat "Draw on map disabled";
};