"the npc should only be able to attack the door/player if it is within attack range (5)"

-- server script 
local pfs = game:GetService("PathfindingService")
local dummy = script.Parent 
local waypoints = script.Parent.Parent.Parent.Waypoints:GetChildren() -- List of waypoints
local door = game.Workspace.Door
local aggroRange = 10
local doorRange = 30
local attackRange = 5
local isAttacking = false
local currentWaypointIndex = 1

-- Function to attack a player
local function attackPlayer(player)
    if isAttacking then return end -- if the NPC is already attacking, don't run the function again
    isAttacking = true
    dummy.Humanoid:MoveTo(player.Character.HumanoidRootPart.Position)
    while (player.Character.HumanoidRootPart.Position - dummy.HumanoidRootPart.Position).Magnitude > attackRange do
        wait(0.1) -- wait for a short time before checking the distance again
    end
    local attackAnimation = dummy.Humanoid:LoadAnimation(dummy.Animations.AttackAnimation)
    attackAnimation:Play()
    wait(2) -- attack cooldown
    attackAnimation:Stop()
    -- if the player is still within range, damage them
    if (player.Character.HumanoidRootPart.Position - dummy.HumanoidRootPart.Position).Magnitude < attackRange then
        player.Character.Humanoid:TakeDamage(10)
        print("NPC damaged the player!") -- log the damage event
    end
    isAttacking = false
end

-- Function to move to the next waypoint or door
local function moveToNextWaypointOrDoor()
    if currentWaypointIndex <= #waypoints then
        local path = pfs:CreatePath()
        path:ComputeAsync(dummy.HumanoidRootPart.Position, waypoints[currentWaypointIndex].Position)
        for _, waypoint in pairs(path:GetWaypoints()) do
            dummy.Humanoid:MoveTo(waypoint.Position)
            dummy.Humanoid.MoveToFinished:Wait()
        end
        currentWaypointIndex = currentWaypointIndex   1
    else
        dummy.Humanoid:MoveTo(door.Position)
        if (door.Position - dummy.HumanoidRootPart.Position).Magnitude < attackRange then
            local attackAnimation = dummy.Humanoid:LoadAnimation(dummy.Animations.AttackAnimation)
            attackAnimation:Play()
            print("NPC is attacking the door!") -- log the attack event
        end
    end
end

-- Check for players within aggro range
while true do
    local playersInRange = false
    for _, player in pairs(game.Players:GetPlayers()) do
        if (player.Character.HumanoidRootPart.Position - dummy.HumanoidRootPart.Position).Magnitude < aggroRange then
            attackPlayer(player)
            playersInRange = true
            break
        end
    end
    if not playersInRange then
        moveToNextWaypointOrDoor()
    end
    wait(0.5) -- check every half second
end

-- Start the NPC's behavior
spawn(moveToNextWaypointOrDoor)