# ConditionalScoreTrigger.verse
# Only award points if the player is currently holding a Pickaxe (any item in slot 0).
# Demonstrates conditional logic before calling score_manager_device.Activate().

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

ConditionalTrigger := class(creative_device):

    # Wire this to a Trigger device in the editor (the capture zone).
    @editable
    CaptureTrigger : trigger_device = trigger_device{}

    # Wire this to a Score Manager device configured for the correct team.
    @editable
    TeamScoreManager : score_manager_device = score_manager_device{}

    # Wire this to a Class Selector or Item Spawner that hands out the required item.
    # We use a class_and_team_selector_device as a proxy to identify which players
    # already received the "flag" item, since direct inventory inspection APIs
    # are not yet exposed in public Verse. See note below.
    # note: Full item-in-hand inspection (e.g. GetEquippedItem) is not available in
    #       the current public Verse API. The pattern below uses a boolean flag set
    #       by a separate device (e.g. an Item Granter + Trigger that calls
    #       SetHasItem() via a custom event) to approximate the check.
    var HasRequiredItem : logic = false

    OnBegin<override>()<suspends> : void =
        # Subscribe to the trigger so we run our conditional check on entry.
        CaptureTrigger.TriggeredEvent.Subscribe(OnZoneEntered)

    # Call this from another device or Verse script when the player picks up the flag item.
    SetHasItem(Value : logic) : void =
        set HasRequiredItem = Value

    # Fires when a player enters the capture zone trigger.
    OnZoneEntered(MaybeAgent : ?agent) : void =
        if (LiveAgent := MaybeAgent?):
            # Only award the point when our flag condition is satisfied.
            if (HasRequiredItem?):
                TeamScoreManager.Activate(LiveAgent)
                # Reset the flag so the point can only be scored once per pickup.
                set HasRequiredItem = false