extends Node2D

@onready var fodder_enemy = preload("res://scenes/soldier.tscn")
@onready var map = get_node("../Map")

var curve : Curve2D

func _ready() -> void:
	curve = Curve2D.new()

	var path : Array[Vector2i] = map.get_enemy_path()

	# add off-screen points
	path.insert(0, path[0] - Vector2i(1, 0))
	path.append(path[path.size() - 1] + Vector2i(1, 0))

	# adjust to grid size
	for i in map.get_enemy_path():
		curve.add_point(i * 16 + Vector2i.ONE * 8)

func _on_timer_timeout():
	var path = Path2D.new()
	path.curve = curve

	var follow_path = PathFollow2D.new()
	follow_path.set_progress(0)
	follow_path.rotates = false
	follow_path.loop = false

	var enemy = fodder_enemy.instantiate()

	follow_path.add_child(enemy)
	path.add_child(follow_path)

	add_child(path)