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

# This is our "Class Blueprint."
# Think of this like a character card in a trading card game.
# It defines what stats a player gets when they pick this class.
player_class := struct:
    Health : float
    Speed : float
    Name : string

# Here are our two choices.
# The Bruiser is tough but slow. The Speedster is fast but squishy.
BruiserClass : player_class = player_class:
    Health := 500.0
    Speed := 0.5
    Name := "The Bruiser"

SpeedsterClass : player_class = player_class:
    Health := 100.0
    Speed := 2.0
    Name := "The Speedster"

# This is the main script that runs when the game starts.
# It's like the referee blowing the whistle to start the match.
class_selector_logic := class(creative_device):

    # We need a reference to our Trigger Volume device.
    # In UEFN, you drag the device into this slot in the editor.
    @editable
    TriggerDevice : trigger_device = trigger_device{}

    # This function runs once when the game starts.
    # It's like setting up the arena before players jump in.
    OnBegin<override>()<suspends> : void =
        # Connect the trigger device's AgentEntersEvent to our own function.
        # Think of this as handing the trigger device a walkie-talkie.
        # When the device speaks, we listen.
        TriggerDevice.AgentEntersEvent.Subscribe(OnAgentEnterTrigger)
        Print("Game Started! Choose your class by stepping on the Red Zone.")

    # This is the magic part.
    # When a player enters the trigger zone, this function is called.
    # 'Agent' is the person who stepped on the pad.
    OnAgentEnterTrigger(Agent : agent) : void =
        # Cast the agent to a fort_character so we can modify their stats.
        # note: fort_character gives access to SetMaxHealth / SetHealth in the Fortnite character API.
        if (FortCharacter := Agent.GetFortCharacter[]):
            FortCharacter.SetMaxHealth(BruiserClass.Health)
            FortCharacter.SetHealth(BruiserClass.Health)

        # Log the class assignment so you can confirm it fired.
        if (Player := player[Agent]):
            PlayerName := Player.GetDisplayName()
            Print("{PlayerName} became {BruiserClass.Name}!")