Add the setApproximateVariablePublic function to common

addons/common/XEH_preInit.sqf

@@ -154,6 +154,7 @@ PREP(selectWeaponMode);
 PREP(sendRequest);
 PREP(serverLog);
 PREP(setAllGear);
+PREP(setApproximateVariablePublic);
 PREP(setCaptivityStatus);
 PREP(setDefinedVariable);
 PREP(setDisableUserInputStatus);

addons/common/functions/fnc_setApproximateVariablePublic.sqf

@@ -0,0 +1,42 @@
+/*
+ * Author: esteldunedain
+ * Publish a variable if it's different enough from the previously published value.
+ *
+ * Argument:
+ * 0: Object the variable should be assigned to <OBJECT>
+ * 1: Name of the variable <STRING>
+ * 2: Value of the variable <ANY>
+ * 3: Absolute tolerance <NUMBER>
+ *
+ * Return value:
+ * Nothing.
+ *
+ * Example:
+ * [player, "balls", 2, 0.1] call ace_common_fnc_setApproximateVariablePublic;
+ *
+ * Public: No
+ */
+// #define DEBUG_MODE_FULL
+#include "script_component.hpp"
+
+params ["_object", "_varName", "_value", "_tolerance"];
+TRACE_4("params",_object,_varName,_value,_tolerance);
+
+// Set exact new value locally
+_object setVariable [_varName, _value];
+
+// Exit if in SP - "duh"
+if (!isMultiplayer) exitWith {};
+
+// If new value is not different
+private _oldVarName = format ["ACE_oldValue_%1", _varName];
+private _oldValue = _object getVariable [_oldVarName, -100000];
+
+// Exit if new value is not different enough from the old onedifferent
+if (abs(_value - _oldValue) < _tolerance) exitWith {};
+
+// Publish the new value:
+_object setVariable [_varName, _value, true];
+_object setVariable [_oldVarName, _value];
+
+TRACE_2("Published variable:", _varName, _value);