# fly_reset_test —— Loading/map change must remove active projectiles and flashes.
#   godot --headless --path project --script fly_reset_test.gd
extends SceneTree

const FlyObject = preload("res://fly_object.gd")

var _fail := 0

func _ck(condition: bool, message: String) -> void:
	if not condition:
		_fail += 1
		printerr("FAIL: " + message)

func _init() -> void:
	await _run()
	if _fail == 0:
		print("PASS: fly_reset_test")
		quit(0)
	else:
		printerr("%d check(s) failed" % _fail)
		quit(1)

func _run() -> void:
	var host := Node3D.new()
	var manager := FlyObject.new()
	get_root().add_child(host)
	get_root().add_child(manager)
	manager.manual_step = true
	manager.setup(host)

	var data := FlyObject.FlyData.new()
	data.init_vel = 1.0
	data.flat_range = 10.0
	manager.spawn(Vector3.ZERO, Vector3(0.0, 0.0, -1.0), true, data)
	manager._spawn_flash(Vector3.ZERO, FlyObject.FLY_EXP)
	_ck(manager.active_count() == 1, "active projectile is tracked before reset")
	_ck(host.get_child_count() == 2, "projectile and flash visuals exist before reset")

	manager.clear_for_map_change()
	_ck(manager.active_count() == 0, "reset removes all active projectiles")
	await process_frame
	_ck(host.get_child_count() == 0, "reset removes projectile and flash visuals")

	# clear_for_map_change already removed all visuals.  At this point the
	# short-lived regression owns empty manager nodes, so destroy them
	# synchronously like CFlyingManager::DeleteAllInstances/Destroy instead of
	# queueing a free immediately before SceneTree.quit().
	host.free()
	manager.free()
	await process_frame