Always make sure ACE_MainActions exists

addons/interact_menu/XEH_preInit.sqf

@@ -4,6 +4,7 @@ ADDON = false;
 
 PREP(addActionToClass);
 PREP(addActionToObject);
+PREP(addMainAction);
 PREP(compileMenu);
 PREP(compileMenuSelfAction);
 PREP(compileMenuZeus);

addons/interact_menu/functions/fnc_addActionToClass.sqf

@@ -35,8 +35,15 @@ if((count _actionTrees) == 0) then {
     missionNamespace setVariable [_varName, _actionTrees];
 };
 
+if (_parentPath isEqualTo ["ACE_MainActions"]) then {
+    [_objectType, _typeNum] call FUNC(addMainAction);
+};
+
 _parentNode = [_actionTrees, _parentPath] call FUNC(findActionNode);
-if (isNil {_parentNode}) exitWith {};
+if (isNil {_parentNode}) exitWith {
+    ERROR("Failed to add action");
+    diag_log text format ["action (%1) to parent %2 on object %3 [%4]", (_action select 0), _parentPath, _objectType, _typeNum];
+};
 
 // Add action node as children of the correct node of action tree
 (_parentNode select 1) pushBack [_action,[]];

addons/interact_menu/functions/fnc_addActionToObject.sqf

@@ -28,6 +28,10 @@ if((count _actionList) == 0) then {
     _object setVariable [_varName, _actionList];
 };
 
+if (_parentPath isEqualTo ["ACE_MainActions"]) then {
+    [(typeOf _object), _typeNum] call FUNC(addMainAction);
+};
+
 // Add action and parent path to the list of object actions
 _actionList pushBack [_action, +_parentPath];
 

addons/interact_menu/functions/fnc_addMainAction.sqf

@@ -0,0 +1,31 @@
+/*
+ * Author: Jonpas, PabstMirror
+ * Makes sure there is a ACE_MainActions on the object type
+ *
+ * Argument:
+ * 0: Object classname <STRING>
+ * 1: Type of action, 0 for actions, 1 for self-actions <NUMBER>
+ *
+ * Return value:
+ * None
+ *
+ * Example:
+ * ["Table", 0] call ace_interact_menu_fnc_addMainAction;
+ *
+ * Public: No
+ */
+#include "script_component.hpp"
+
+params ["_objectType", "_typeNum"];
+
+private["_actionTrees", "_mainAction", "_parentNode", "_varName"];
+
+_varName = format [[QGVAR(Act_%1), QGVAR(SelfAct_%1)] select _typeNum, _objectType];
+_actionTrees = missionNamespace getVariable [_varName, []];
+_parentNode = [_actionTrees, ["ACE_MainActions"]] call FUNC(findActionNode);
+
+if (isNil {_parentNode}) then {
+    TRACE_2("No Main Action on object", _objectType, _typeNum);
+    _mainAction = ["ACE_MainActions", localize ELSTRING(interaction,MainAction), "", {}, {true}] call FUNC(createAction);
+    [_objectType, _typeNum, [], _mainAction] call EFUNC(interact_menu,addActionToClass);
+};

addons/interact_menu/functions/fnc_findActionNode.sqf

@@ -8,7 +8,7 @@
  * 1: Path <ARRAY>
  *
  * Return value:
- * Action node <ARRAY>.
+ * Action node <ARRAY> or <NIL> if not found 
  *
  * Example:
  * [_actionTree, ["ACE_TapShoulderRight","VulcanPinchAction"]] call ace_interact_menu_fnc_findActionNode;

addons/slideshow/functions/fnc_createSlideshow.sqf

@@ -62,15 +62,6 @@ if !(["ace_interact_menu"] call EFUNC(common,isModLoaded)) then {
 // Add interactions if automatic transitions are disabled, else setup automatic transitions
 if (_duration == 0) then {
     {
-        // Add MainAction if one does not already exist
-        _actionsObject = _x getVariable [QEGVAR(interact_menu,actions), []];
-        _actionsClass = missionNamespace getVariable [format [QEGVAR(interact_menu,Act_%1), typeOf _x], []];
-        if (count _actionsObject == 0 && {count _actionsClass == 0}) then {
-            _mainAction = ["ACE_MainActions", localize ELSTRING(interaction,MainAction), "", {}, {true}] call EFUNC(interact_menu,createAction);
-            [_x, 0, [], _mainAction] call EFUNC(interact_menu,addActionToObject);
-            TRACE_2("Adding ACE_MainActions",_actionsObject,_actionsClass);
-        };
-
         // Add Slides sub-action and populate with images
         _slidesAction = [QGVAR(Slides), localize LSTRING(Interaction), "", {}, {true}, {(_this select 2) call FUNC(addSlideActions)}, [_objects,_images,_names,_x,_currentSlideshow], [0,0,0], 2] call EFUNC(interact_menu,createAction);
         [_x, 0, ["ACE_MainActions"], _slidesAction] call EFUNC(interact_menu,addActionToObject);