class_name Grid extends Node2D

@export var ground_radius : float
@export var cell_height : float
@export var num_collumns : int
@export var debug : bool

var buildings : Array[Building] = []

func _draw() -> void:
	if !debug:
		return

	for i in range(10):
		draw_arc(Vector2.ZERO, ground_radius + i * cell_height, 0, TAU, 250, Color.SKY_BLUE, 1.0, true);
	
	for i in range(num_collumns):
		var angle = i * TAU / num_collumns;
		draw_line(Vector2.ZERO, 10000 * Vector2.from_angle(angle), Color.SKY_BLUE);

func add_building_to_collumn(building : Building, collumn : int):
	# find the height of the top building in the buildings list:
	building.location = Vector2(collumn, 0)
	var height = 0

	# TODO: support other dimensions for buildings
	
	# add the new building one higher than the previous
	height += 1
	building.location = Vector2i(collumn, height);

# for testing
func _ready() -> void:
	var packed : PackedScene = preload("res://building.tscn")
	var test_building = packed.instantiate()
	test_building.location = Vector2(45, 1)
	add_child(test_building)