# This is our main game script.
# It is like the brain of the Seeker.

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

# We create a "class". This is like a box for our code.
# It must be placed in the editor as a Verse device.
hide_and_seek_game := class(creative_device):

    # This is the "Perception Trigger" device.
    # Drag it from the editor into this property slot.
    @editable
    PerceptionTrigger : perception_trigger_device = perception_trigger_device{}

    # This is the "Timer" device.
    # It controls when the eyes open and close.
    @editable
    TimerDevice : timer_device = timer_device{}

    # This is the "Damage Volume".
    # It is the invisible box that catches players.
    @editable
    DamageVolume : damage_volume_device = damage_volume_device{}

    # We track whether the seeker's eyes are open.
    # false means the eyes start closed.
    var EyesOpen : logic = false

    # This function runs when the game starts.
    OnBegin<override>()<suspends> : void =
        # Subscribe to the timer's completion event.
        # When the timer finishes, call OnTimerFinished.
        TimerDevice.SuccessEvent.Subscribe(OnTimerFinished)

        # Subscribe to the perception trigger's triggered event.
        # When a player is spotted, call OnPlayerSeen.
        PerceptionTrigger.TriggeredEvent.Subscribe(OnPlayerSeen)

        # Turn the perception trigger off at the start.
        # The eyes begin closed so players have time to hide.
        PerceptionTrigger.Disable()

        # Start the timer for 5 seconds.
        # It will wait before the seeker first opens its eyes.
        TimerDevice.Start()

    # This function runs when the timer finishes.
    OnTimerFinished(Agent : ?agent) : void =
        # Toggle the seeker's eyes.
        # If eyes are open, close them.
        # If eyes are closed, open them.
        if (EyesOpen?):
            set EyesOpen = false
            PerceptionTrigger.Disable()
        else:
            set EyesOpen = true
            PerceptionTrigger.Enable()

        # Restart the timer to keep the blinking loop going.
        TimerDevice.Start()

    # This function runs when the seeker sees a player.
    OnPlayerSeen(Agent : agent) : void =
        # Only deal damage if the eyes are currently open.
        if (EyesOpen?):
            # Enable the damage volume so it hurts players inside its volume.
            # damage_volume_device has no per-player Activate API; Enable()
            # triggers it for anyone already inside its volume.
            DamageVolume.Enable()