From d8badad400a6e4ddc67feb150456da125f91a0af Mon Sep 17 00:00:00 2001
From: commy2 <commy-2@gmx.de>
Date: Mon, 10 Feb 2020 21:29:49 +0100
Subject: [PATCH 1/2] add CBA_fnc_switchableAttachments

---
 addons/accessory/CfgEventHandlers.hpp         | 11 +++++
 addons/accessory/CfgFunctions.hpp             |  7 ++++
 addons/accessory/config.cpp                   | 13 +-----
 .../accessory/fnc_switchableAttachments.sqf   | 41 +++++++++++++++++++
 4 files changed, 61 insertions(+), 11 deletions(-)
 create mode 100644 addons/accessory/CfgEventHandlers.hpp
 create mode 100644 addons/accessory/CfgFunctions.hpp
 create mode 100644 addons/accessory/fnc_switchableAttachments.sqf

diff --git a/addons/accessory/CfgEventHandlers.hpp b/addons/accessory/CfgEventHandlers.hpp
new file mode 100644
index 000000000..93e3311cf
--- /dev/null
+++ b/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));
+    };
+};
diff --git a/addons/accessory/CfgFunctions.hpp b/addons/accessory/CfgFunctions.hpp
new file mode 100644
index 000000000..0554973a9
--- /dev/null
+++ b/addons/accessory/CfgFunctions.hpp
@@ -0,0 +1,7 @@
+class CfgFunctions {
+    class CBA {
+        class Inventory {
+            PATHTO_FNC(switchableAttachments);
+        };
+    };
+};
diff --git a/addons/accessory/config.cpp b/addons/accessory/config.cpp
index 070c7774f..2aa6e15d2 100644
--- a/addons/accessory/config.cpp
+++ b/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"
diff --git a/addons/accessory/fnc_switchableAttachments.sqf b/addons/accessory/fnc_switchableAttachments.sqf
new file mode 100644
index 000000000..f6d88c25f
--- /dev/null
+++ b/addons/accessory/fnc_switchableAttachments.sqf
@@ -0,0 +1,41 @@
+#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 {};
+
+private _backward = [];
+while {
+    _config = _cfgWeapons >> getText (_config >> "MRT_SwitchItemPrevClass");
+    isClass _config && {_backward pushBackUnique configName _config != -1}
+} do {};
+
+_forward = _forward + _backward;
+_forward arrayIntersect _forward // return

From 19d6f24fb2ebe3e375f4283d3b0bd73aa1364bc5 Mon Sep 17 00:00:00 2001
From: commy2 <commy-2@gmx.de>
Date: Tue, 11 Feb 2020 07:50:49 +0100
Subject: [PATCH 2/2] Update addons/accessory/fnc_switchableAttachments.sqf

Co-Authored-By: Dystopian <sddex@ya.ru>
---
 addons/accessory/fnc_switchableAttachments.sqf | 1 +
 1 file changed, 1 insertion(+)

diff --git a/addons/accessory/fnc_switchableAttachments.sqf b/addons/accessory/fnc_switchableAttachments.sqf
index f6d88c25f..1f118ad87 100644
--- a/addons/accessory/fnc_switchableAttachments.sqf
+++ b/addons/accessory/fnc_switchableAttachments.sqf
@@ -31,6 +31,7 @@ while {
     isClass _config && {_forward pushBackUnique configName _config != -1}
 } do {};
 
+_config = _cfgWeapons >> _item;
 private _backward = [];
 while {
     _config = _cfgWeapons >> getText (_config >> "MRT_SwitchItemPrevClass");