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extends Object

class_name PathGenerator

var map_config : MapGeneratorResource = preload("res://resources/map_generator_resource.tres")

func generate_path() -> Array[Vector2i]:
	var path : Array[Vector2i]

	var x : int = 0
	var y : int = randi_range(1, map_config.grid_height - 3)

	while x < map_config.grid_width:
		if not path.has(Vector2i(x,y)):
			path.append(Vector2i(x, y))

		var choice : int = randi_range(0,2)

		# every even tile goes right to leave room for towers
		if choice == 0 || x % 2 == 0 || x == map_config.grid_width - 1:
			x += 1
		elif choice == 1 && y < map_config.grid_height - 3 && !path.has(Vector2i(x, y + 1)):
			y += 1
		elif choice == 2 && y > 1 && !path.has(Vector2i(x, y - 1)):
			y -= 1
	return path