class_name CockpitSonarConsole
extends Node3D

## Imported sonar monitor. Exposes its glass as the cockpit's `%SonarScreen` so
## the instrument panel can put the shared sonar texture on it.

## Lamps and knobs are modelled into the housing mesh, not separate nodes:
## three amber push-buttons and two knurled knobs (model contract).
const HOUSING_CONTROL_COUNT := 5

var _housing: MeshInstance3D
var _screen: MeshInstance3D


func _ready() -> void:
	_housing = find_child("Sonar", true, false) as MeshInstance3D
	_screen = find_child("SonarScreen", true, false) as MeshInstance3D
	if _housing == null or _screen == null:
		push_error("Sonar model is missing its Sonar or SonarScreen node")
		return
	# The glass belongs to the imported scene; adopt it so the cockpit scene
	# can address it by unique name like any other instrument.
	_screen.owner = owner
	_screen.unique_name_in_owner = true


func housing() -> MeshInstance3D:
	return _housing


func screen() -> MeshInstance3D:
	return _screen


func control_count() -> int:
	return 0 if _housing == null else HOUSING_CONTROL_COUNT