Resolve XEH redirect handlers (CBATeam#1056)

* Resolve XEH redirect handlers

* Teletabby

* bleep bloop

* Tibbi Tabbi Schwibbi Schwabbi

addons/xeh/fnc_compileEventHandlers.sqf

@@ -69,6 +69,22 @@ private _resultNames = [];
         };
 
         if !(_eventFunc isEqualTo "") then {
+
+            //Optimize "QUOTE(call COMPILE_FILE(XEH_preInit));" down to just the content of the EH script
+            if (!(["compile"] call CBA_fnc_isRecompileEnabled) && { //Users might expect their preInit script to be reloaded everytime when debugging
+                    (toLower (_eventFunc select [0,40])) isEqualTo "call compile preprocessfilelinenumbers '" && {
+                    (_eventFunc select [count _eventFunc -2]) isEqualTo "';"
+            }}) then {
+                private _funcPath = _eventFunc select [40, count _eventFunc - 42];
+                //If there is a quote mark in the path, then something went wrong and we got multiple paths, just skip optimization
+                //Example cause: "call COMPILE_FILE(XEH_preInit);call COMPILE_FILE(XEH_preClientInit)"
+                if (_funcPath find "'" == -1) then {
+                    _eventFunc = preprocessFileLineNumbers _funcPath;
+
+                    TRACE_2("eventfunction redirected",_customName,_funcPath);
+                };
+            };
+
             _eventFunc = compile _eventFunc;
             TRACE_2("does something",_customName,_eventName);
         } else {