FO4 Equip

        Actor * actor = DYNAMIC_CAST(thisObj, TESForm, Actor);
        if(actor) {

            static std::unordered_map<TESForm*, std::pair<SInt32, UInt16>> stackList;

            if(stackList.empty()) {
                auto inventory = actor->inventoryList;
                if(inventory)
                {
                    for(UInt32 i = 0; i < inventory->items.count; i++)
                    {
                        SInt32 s = 0;
                        inventory->items[i].stack->Visit([&](BGSInventoryItem::Stack * stack)
                        {
                            if(stack->flags & BGSInventoryItem::Stack::kFlagEquipped) {
                                stackList.emplace(inventory->items[i].form, std::make_pair(s, stack->flags));
                                stack->flags &= ~0xF;
                            }
                            s++;
                            return true;
                        });
                    }
                }

                CALL_MEMBER_FN(actor->unk300, UpdateEquipment)(actor, 0x11);
            }
            else
            {
                auto inventory = actor->inventoryList;
                if(inventory)
                {
                    for(UInt32 i = 0; i < inventory->items.count; i++)
                    {
                        SInt32 s = 0;
                        auto it = stackList.find(inventory->items[i].form);
                        if(it != stackList.end()) {
                            inventory->items[i].stack->Visit([&](BGSInventoryItem::Stack * stack)
                            {
                                if(it->second.first == s) {
                                    stack->flags |= it->second.second & 0xF;
                                    return false;
                                }

                                s++;
                                return true;
                            });
                        }
                    }
                }

                CALL_MEMBER_FN(actor->unk300, UpdateEquipment)(actor, 0x11);
                stackList.clear();
            }
        }