class_name NPC
extends Node2D

var id_path: Array[Vector2i]
var target: Vector2i
var speed: float = 1
var oxygen: float = 100


func is_walking() -> bool:
	return not id_path.is_empty()

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	randomize()
	$Sprite2D.set_nation(randi()%$Sprite2D.Nations.max)
	pass # Replace with function body.


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _physics_process(delta: float) -> void:
	if id_path.is_empty(): return
	
	var target_pos = Vector2(id_path.front()*World.tile_size)
	
	global_position = global_position.move_toward(target_pos, speed)
	
	if global_position.x < target_pos.x: $Sprite2D.flip_h = true
	elif global_position.x > target_pos.x: $Sprite2D.flip_h = false
	
	if global_position == target_pos:
		id_path.pop_front()
		set_target(target)
	
		if $"../../TileMap".check_indoors(global_position/16):
			set_spacesuit(false)
		else:
			set_spacesuit(true)
	
func set_spacesuit(suit: bool) -> void:
	$Sprite2D.set_spacesuit(suit)
	if suit: speed = 0.2
	else: speed = 1
	
func set_target(pos: Vector2i):
	var new_id_path = $"../../TileMap".astar_grid.get_id_path(
		$"../../TileMap/ground".local_to_map(global_position+$"../../TileMap/ground".global_position),
		target
	).slice(1)
	
	if not new_id_path.is_empty():
		id_path = new_id_path
		target = pos
	else:
		id_path = []
		target = pos