using { /Fortnite.com/Devices }
using { /Verse.org/Simulation }
using { /Verse.org/Native }

# This is our main device. It holds the code.
health_bar_device := class(creative_device):

    # This is a variable. It holds the current health.
    # It starts at 100.
    var current_health: float = 100.0

    # This is a variable to track the health percentage for the UI.
    # We will update this to drive the visual bar.
    var health_percentage: float = 1.0

    # This function runs when the game starts.
    OnBegin<override>()<suspends>: void =
        # First, we set the initial health.
        # We send 1.0 to the UI. 1.0 means 100% full.
        set health_percentage = 1.0
        Print("Health bar is ready! Press Space to take damage.")

    # This function reduces health when called.
    TakeDamage(): void =
        # Let's take some damage.
        set current_health = current_health - 25.0

        # Check if health is below zero.
        if (current_health < 0.0):
            set current_health = 0.0

        # Calculate the percentage (0.0 to 1.0).
        # If health is 50, percentage is 0.5.
        set health_percentage = current_health / 100.0

        # Send the new percentage to the UI.
        # The health_percentage variable now holds the updated value.
        Print("Health is now: {current_health}")