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

# This is our main script structure.
# Think of this as the "Brain" of the NPC.
MyBehavior := class(npc_behavior):

    # This function runs automatically when the NPC starts.
    # It's like the "Start of Match" screen.
    OnBegin<override>()<suspends>:void=
        # STEP 1: GET THE AGENT
        # We ask the NPC: "Who are you?"
        # This grabs the unique ID for this specific NPC instance.
        # GetAgent[] can fail, so it must be called inside a failure context (if).
        if (BossAgent := GetAgent[]):

            # Let's verify we got it by printing to the debug console.
            # GetAgent[] returns an agent interface value; Print accepts any.
            Print("Boss NPC behavior has started and Agent is live.")

            # STEP 2: MONITOR DAMAGE IN A LOOP
            # Cast the Agent to fort_character so we can access health events.
            # fort_character is the real interface for Fortnite character stats.
            if (BossCharacter := BossAgent.GetFortCharacter[]):
                # Subscribe to the damage taken event on the fort_character.
                BossCharacter.DamagedEvent().Subscribe(OnTakeDamage)
                # Keep this behavior alive so the subscription stays active.
                loop:
                    Sleep(1.0)

    # STEP 3: HANDLE DAMAGE
    # This function is called by DamagedEvent every time the NPC takes damage.
    # damage_result carries info about the hit (amount, instigator, etc.).
    OnTakeDamage(Result:damage_result):void=
        # Get the Agent so we can identify which NPC was hurt.
        if (BossAgent := GetAgent[]):
            # Cast to fort_character to read live health data.
            # fort_character exposes GetHealth() for current HP.
            if (BossCharacter := BossAgent.GetFortCharacter[]):
                CurrentHP := BossCharacter.GetHealth()
                Print("Ouch! Boss took damage and now has {CurrentHP} HP left.")