extends Spatial

var player:Player

const MAX_OFFSET = 8.0
const OFFSET_STEPS = 0.01

var break_constrain = 0.0

export var overspeed_rate:float = 0.3
export var underspeed_rate:float = 0.1


func _physics_process(delta):
	if is_network_master() && player != null:
		if player.is_out:
			if player.is_resetable:
				player.reset()
		else:
			if player.get_road() != null:
				var road = player.get_road()
				var rate = util.randf()
				var speed = player.current_speed
				var offset = 0
				var distance = player.follow.get_offset()
				var tmp_break_constrain = 0.0

				break_constrain = 0.0

				while tmp_break_constrain == 0.0 and offset < MAX_OFFSET && road != null:
					var constrain_index = road.get_constrain_index(distance)
					var road_length = road.get_lane_curve(player.lane).get_baked_length()
					if constrain_index >= 0:
						tmp_break_constrain = road.speed_constrains[constrain_index].z
						if tmp_break_constrain > break_constrain:
							break_constrain = tmp_break_constrain

					distance += OFFSET_STEPS
					offset += OFFSET_STEPS

					if distance >= road_length:
						distance = 0
						road = gamestate.game.route.get_road(road.get_index()+1)

				if break_constrain > 0 && speed > break_constrain - 0.04 && rate > overspeed_rate:
					player.thrust = -1
				elif speed - 0.08 < break_constrain && rate > underspeed_rate:
					player.thrust = 1
				elif break_constrain == 0 && rate > underspeed_rate:
					player.thrust = 1
				else:
					player.thrust = 0


func set_player(path:String):
	player = get_node(path)
	get_node("inventory").set_player(player)


func set_overspeed_rate(new_overspeed_rate:float):
	overspeed_rate = new_overspeed_rate


func set_underspeed_rate(new_underspeed_rate:float):
	underspeed_rate = new_underspeed_rate