Shulker Block

prevent_shulker_box_recursion:
    type: world
    events:
        on player clicks in inventory:
        - if <context.item.material> == "m@shulker_box" {
          - if <context.is_shift_click> {
            - narrate "Shift-clicking shulker boxes is disabled."
            - determine cancelled
          }
        }
        - if <context.hotbar_button> > 0 && <player.inventory.slot[<context.hotbar_button>].material> == "m@shulker_box" {
          - narrate "Hotbar hotkeys are disabled for shulker boxes."
          - determine cancelled
        }
        on player clicks in chest with shulker_box:
        - if <context.clicked_inventory.inventory_type> == CHEST && !<context.cursor_item.inventory.is_empty> {
          - narrate "The chest isn't big enough for that."
          - determine cancelled
        }
        on player drags shulker_box in chest:
        - if <context.clicked_inventory.inventory_type> == CHEST && !<context.item.inventory.is_empty> {
          - narrate "The chest isn't big enough for that."
          - determine cancelled
        }
        on player clicks in ender_chest with shulker_box:
        - if <context.clicked_inventory.inventory_type> == ENDER_CHEST && !<context.cursor_item.inventory.is_empty> {
          - narrate "The ender chest isn't big enough for that."
          - determine cancelled
        }
        on player drags shulker_box in ender_chest:
        - if <context.clicked_inventory.inventory_type> == ENDER_CHEST && !<context.item.inventory.is_empty> {
          - narrate "The ender chest isn't big enough for that."
          - determine cancelled
        }