# This is our main script. It runs when the game starts.
using { /Fortnite.com/Devices }
using { /Verse.org/Simulation }
using { /Verse.org/Native }

# We define our device class.
performance_checker_device := class(creative_device):

    # We define a function called MeasurePerformance.
    # A function is a list of steps we can reuse.
    MeasurePerformance()<suspends>: void =
        # Start a stopwatch.
        # This is like saying "Go!" at the start of a race.
        StartTime : float = GetSimulationElapsedTime()

        # Do a small task.
        # Let's pretend this is a complex game calculation.
        # We will just count up many times.
        var Accumulator : int = 0
        loop:
            # This loop runs 1000 times.
            # It takes a little time to finish.
            set Accumulator += 1
            if (Accumulator >= 1000):
                break

        # Stop the stopwatch.
        # This is like saying "Stop!" at the end of the race.
        EndTime : float = GetSimulationElapsedTime()

        # Calculate the difference.
        # This is how long the task took.
        Duration : float = EndTime - StartTime

        # Print the result to the screen.
        # This is like showing the race time.
        Print("Task took {Duration} seconds.")

        # Check if it was fast or slow.
        # If it took less than 0.1 seconds, it is smooth.
        if (Duration < 0.1):
            Print("Result: Smooth Performance!")
        else:
            # If it took longer, it is slow.
            Print("Result: Slow Performance!")

    # This runs when the island starts.
    OnBegin<override>()<suspends>: void =
        # Call our function to test performance.
        MeasurePerformance()