# Import the necessary Verse modules
using { /Fortnite.com/Devices }
using { /Fortnite.com/Game }
using { /Fortnite.com/Characters }
using { /Fortnite.com/Playspaces }
using { /Verse.org/Simulation }
using { /UnrealEngine.com/Temporary/Diagnostics }
using { /UnrealEngine.com/Temporary/SpatialMath }

# A creative_device placed in the scene acts as our spawner manager.
# It listens for eliminations and stamps out a new trap each time.
revenge_spawner_device := class(creative_device):

    # Drag your RevengeTrapPrefab asset into this field in the UEFN
    # Details panel so Verse knows which prefab to stamp.
    @editable
    TrapPrefab : creative_prop_asset = DefaultCreativePropAsset

    # OnBegin runs once when the island starts — our "Start Game" button.
    OnBegin<override>()<suspends> : void =
        # Retrieve the Fortnite game manager so we can listen for events.
        FortPlayspace := GetPlayspace()
        # Subscribe to the elimination event.
        # Every time any player is eliminated this lambda fires.
        FortPlayspace.PlayerAddedEvent().Subscribe(OnPlayerAdded)

        # Park the coroutine here so the subscription stays alive
        # for the whole match.
        loop:
            Sleep(60.0)

    # Called when a player is added so we can subscribe to their elimination event.
    OnPlayerAdded(Player : player) : void =
        if (Character := Player.GetFortCharacter[]):
            Character.EliminatedEvent().Subscribe(OnCharacterEliminated)

    # Called automatically each time a character is eliminated.
    OnCharacterEliminated(Result : elimination_result) : void =
        SpawnTrap(Result.EliminatedCharacter.GetTransform().Translation)

    # The function that actually creates the trap.
    SpawnTrap(Location : vector3) : void =
        # Build the transform: place the trap at the elimination spot,
        # rotated flat (identity rotation), at normal scale.
        SpawnTransform := transform{
            Translation := Location,
            Rotation := IdentityRotation(),
            Scale := vector3{X := 1.0, Y := 1.0, Z := 1.0}
        }

        # SpawnProp stamps our prefab into the world at SpawnTransform.
        # It returns an option, so we unwrap it with `if`.
        # Note: SpawnProp is the real UEFN API for spawning prop assets
        # at runtime; full Entity/Instantiate APIs are not yet public.
        SpawnedProp := SpawnProp(TrapPrefab, SpawnTransform)
        # The prop is visible and collidable the moment it spawns.
        # If your asset has a trap_device component wired up in the
        # prefab, it will activate automatically; no extra Enable()
        # call is required for creative_prop assets.
        Print("Revenge trap spawned at elimination site.")