add CBA_fnc_switchableAttachments

addons/accessory/CfgEventHandlers.hpp

@@ -0,0 +1,11 @@
+class Extended_PreStart_EventHandlers {
+    class ADDON {
+        init = QUOTE(call COMPILE_FILE(XEH_preStart));
+    };
+};
+
+class Extended_PreInit_EventHandlers {
+    class ADDON {
+        init = QUOTE(call COMPILE_FILE(XEH_preInit));
+    };
+};

addons/accessory/CfgFunctions.hpp

@@ -0,0 +1,7 @@
+class CfgFunctions {
+    class CBA {
+        class Inventory {
+            PATHTO_FNC(switchableAttachments);
+        };
+    };
+};

addons/accessory/config.cpp

@@ -14,14 +14,5 @@ class CfgPatches {
     };
 };
 
-class Extended_PreStart_EventHandlers {
-    class ADDON {
-        init = QUOTE(call COMPILE_FILE(XEH_preStart));
-    };
-};
-
-class Extended_PreInit_EventHandlers {
-    class ADDON {
-        init = QUOTE(call COMPILE_FILE(XEH_preInit));
-    };
-};
+#include "CfgEventHandlers.hpp"
+#include "CfgFunctions.hpp"

addons/accessory/fnc_switchableAttachments.sqf

@@ -0,0 +1,42 @@
+#include "script_component.hpp"
+/* ----------------------------------------------------------------------------
+Function: CBA_fnc_switchableAttachments
+
+Description:
+    Returns all attachments the item can eventually switch to.
+
+Parameters:
+    0: _item - Attachment classname <STRING>
+
+Returns:
+    _items - List of switchable items, contains original item. <ARRAY>
+
+Examples:
+    (begin example)
+        "acc_pointer_IR" call CBA_fnc_switchableAttachments
+    (end)
+
+Author:
+    commy2
+---------------------------------------------------------------------------- */
+
+params ["_item"];
+
+private _cfgWeapons = configfile >> "CfgWeapons";
+private _config = _cfgWeapons >> _item;
+
+private _forward = [];
+while {
+    _config = _cfgWeapons >> getText (_config >> "MRT_SwitchItemNextClass");
+    isClass _config && {_forward pushBackUnique configName _config != -1}
+} do {};
+
+_config = _cfgWeapons >> _item;
+private _backward = [];
+while {
+    _config = _cfgWeapons >> getText (_config >> "MRT_SwitchItemPrevClass");
+    isClass _config && {_backward pushBackUnique configName _config != -1}
+} do {};
+
+_forward = _forward + _backward;
+_forward arrayIntersect _forward // return