KILLSTREAKS

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

killstreak_device := class(creative_device):

    @editable
    ItemGranters : []item_granter_device = array{}

    var Killstreaks : [player]int = map{}

    OnBegin<override>()<suspends>:void =
        # Subscribe to player join/leave events
        GetPlayspace().PlayerAddedEvent().Subscribe(OnPlayerAdded)
        GetPlayspace().PlayerRemovedEvent().Subscribe(OnPlayerRemoved)

        # Subscribe to existing players
        for (Player : GetPlayspace().GetPlayers()):
            SubscribeToPlayer(Player)

    OnPlayerAdded(Player : player) : void =
        SubscribeToPlayer(Player)

    OnPlayerRemoved(Player : player) : void =
        # Remove player from tracking
        var NewMap : [player]int = map{}
        for (Key -> Value : Killstreaks, Key <> Player):
            if (set NewMap[Key] = Value) {}
        set Killstreaks = NewMap

    SubscribeToPlayer(Player : player) : void =
        if (Character := Player.GetFortCharacter[]):
            Character.EliminatedEvent().Subscribe(OnPlayerEliminated)
            # Initialize killstreak
            if (set Killstreaks[Player] = 0) {}