using { /Fortnite.com/Devices }
using { /Verse.org/Simulation }
using { /UnrealEngine.com/Temporary/Diagnostics }

# We are creating a "Device" which is a container for our logic.
# Think of this as the "Island" object that holds our specific trap.
one_shot_trap := class(creative_device):

    # This is our "Family Tree" reference.
    # We are telling Verse: "Hey, inside this Island, there is a device
    # named 'LootTrigger'. Connect it to this script."
    # Drag your trigger device onto this property in the UEFN details panel.
    @editable
    LootTrigger : trigger_device = trigger_device{}

    # We also grab the Item Granter and the Prop Mover.
    # If these aren't connected in the details panel,
    # Verse will complain. Accuracy is key!
    @editable
    LootBox : item_granter_device = item_granter_device{}

    @editable
    LootBoxProp : prop_mover_device = prop_mover_device{}

    # This is our "Inventory Slot" (Variable).
    # It starts as false, meaning the trap is READY.
    # <var> marks this as mutable so we can change it later.
    var IsTrapUsed : logic = false

    # OnBegin runs automatically when the game starts.
    # This is where we bind our event listener to the trigger.
    OnBegin<override>()<suspends> : void =
        # This is the "Event Handler."
        # It says: "Whenever LootTrigger sends a 'TriggeredEvent' signal,
        # run the function below."
        LootTrigger.TriggeredEvent.Subscribe(OnLootTriggerTriggered)

    # This function runs every time the trigger is activated.
    # It receives the agent (player) who stepped on the trigger.
    OnLootTriggerTriggered(TriggeredAgent : ?agent) : void =
        # THE BOUNCER LOGIC
        # Check if the trap has already been used.
        if (IsTrapUsed = false):
            # It hasn't been used! Let's activate the trap.

            # 1. Enable the Item Granter (gives the loot)
            LootBox.Enable()

            # 2. Enable the Prop Mover (shows the loot box)
            LootBoxProp.Enable()

            # 3. IMPORTANT: Mark the trap as used so it can't happen again.
            set IsTrapUsed = true

            # Optional: Disable the trigger itself so it doesn't send signals anymore.
            # This is like unplugging the smoke signal.
            LootTrigger.Disable()
        # If IsTrapUsed is already true, the if block simply doesn't run.
        # The trap was already used — do nothing.
        # You could enable a separate "Already Looted" device here if you wanted.