public static void UnequipItem(PlayableCharacter unequipper, string item_id)
        {
            if (!(ItemManager.FindItemWithID(item_id) is Equipment))
            {
                throw new InvalidOperationException($"Tried to unequip {item_id}, which is not an equipment");
            }

            // Unequips the item_id from the unequipper
            CEnums.EquipmentType equip_type = (ItemManager.FindItemWithID(item_id) as Equipment).EquipType;
            equipment[unequipper.UnitID][equip_type] = default_equip_map[equip_type];
            AddItemToInventory(item_id);
        }
        public static void EquipItem(PlayableCharacter equipper, string item_id)
        {
            if (!(ItemManager.FindItemWithID(item_id) is Equipment))
            {
                throw new InvalidOperationException($"Tried to equip {item_id}, which is not an equipment");
            }

            // Equips the item_id to equipper
            CEnums.EquipmentType equip_type = (ItemManager.FindItemWithID(item_id) as Equipment).EquipType;

            if (GetEquipment(equipper.UnitID)[equip_type].ItemID != default_equip_map[equip_type])
            {
                AddItemToInventory(GetEquipment(equipper.UnitID)[equip_type].ItemID);
            }

            equipment[equipper.UnitID][equip_type] = item_id;
            RemoveItemFromInventory(item_id);
        }