extends Node3D


var exits: Array = [false, false, false, false]

const STREET_WIDTH: float = 40
const ASPHALT_WIDTH: float = 20
@onready var exit_area     = $BuildingAreas/B_area_E/Collision
@onready var building_area = $BuildingAreas/B_area/Collision
var building_scn = preload("res://building.tscn")

func _ready() -> void:
	$Mesh.mesh.size.x = Global.chunk_size
	$Mesh.mesh.size.y = Global.chunk_size
	
	var building_side = (Global.chunk_size - STREET_WIDTH) / 2
	var building_center = (building_side + STREET_WIDTH) / 2
	building_area.shape.size.z = building_side
	building_area.shape.size.x = building_side
	building_area.position.x = building_center
	building_area.position.z = building_center
		
	exit_area.shape.size.z = STREET_WIDTH
	exit_area.shape.size.x = building_side
	
	var pavement_side = (Global.chunk_size - ASPHALT_WIDTH) / 2
	var pavement_center = (pavement_side + ASPHALT_WIDTH) / 2
	$BuildingAreas/B_area/Pavement.mesh.size.x = pavement_side
	$BuildingAreas/B_area/Pavement.mesh.size.z = pavement_side
	$BuildingAreas/B_area/Pavement.position.x = pavement_center
	$BuildingAreas/B_area/Pavement.position.z = pavement_center
	$BuildingAreas/B_area_E/Pavement.mesh.size.z = Global.chunk_size
	$BuildingAreas/B_area_E/Pavement.mesh.size.x = pavement_side
	
	var z_correction_factor = STREET_WIDTH / 40
	var x_correction_factor = building_side / 55
	for st_body in $BuildingAreas.get_children():
		st_body.get_node("Collision").position.x = building_center
		if st_body.name != "B_area":
			st_body.get_node("Building").scale.z = 0.8 * z_correction_factor
			st_body.get_node("Building").scale.x = 1.1 * x_correction_factor
			st_body.get_node("Building").position.x = building_center
			st_body.get_node("Pavement").position.x = pavement_center
		else:
			st_body.get_node("Building").scale.z = 1.1 * x_correction_factor
			st_body.get_node("Building").scale.x = 1.1 * x_correction_factor
			st_body.get_node("Building").position.x = building_center
			st_body.get_node("Building").position.z = building_center
	
	for degree in range(1, 4):
		var new_area = $BuildingAreas/B_area.duplicate()
		new_area.rotation.y = deg_to_rad(90) * degree
		$BuildingAreas.add_child(new_area)

func update() -> void:
	$BuildingAreas/B_area_N/Building.visible = true
	$BuildingAreas/B_area_S/Building.visible = true
	$BuildingAreas/B_area_E/Building.visible = true
	$BuildingAreas/B_area_W/Building.visible = true
	$BuildingAreas/B_area_N/Pavement.visible = true
	$BuildingAreas/B_area_S/Pavement.visible = true
	$BuildingAreas/B_area_E/Pavement.visible = true
	$BuildingAreas/B_area_W/Pavement.visible = true
	
	var i = 0
	for exit in exits:
		if not exit:
			i += 1
			continue
		
		if i == 0: #n
			$BuildingAreas/B_area_N/Collision.disabled = true
			$BuildingAreas/B_area_N/Building.visible = false
			$BuildingAreas/B_area_N/Pavement.visible = false
		if i == 1: #s
			$BuildingAreas/B_area_S/Collision.disabled = true
			$BuildingAreas/B_area_S/Building.visible = false
			$BuildingAreas/B_area_S/Pavement.visible = false
		if i == 2: #w
			$BuildingAreas/B_area_W/Collision.disabled = true
			$BuildingAreas/B_area_W/Building.visible = false
			$BuildingAreas/B_area_W/Pavement.visible = false
		if i == 3: #e
			$BuildingAreas/B_area_E/Collision.disabled = true
			$BuildingAreas/B_area_E/Building.visible = false
			$BuildingAreas/B_area_E/Pavement.visible = false
		
		i += 1