# fly_target_lifecycle_test —— CFlyTarget 销毁/目标中心回归。
extends SceneTree

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

var _failures := 0

func _ck(condition: bool, message: String) -> void:
	if condition:
		return
	_failures += 1
	printerr("FAIL: ", message)

func _init() -> void:
	await _run()
	quit(1 if _failures else 0)

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

	var target := Node3D.new()
	target.position = Vector3(8.0, 0.0, 0.0)
	var body := MeshInstance3D.new()
	body.mesh = BoxMesh.new()
	body.position = Vector3(0.0, 2.0, 0.0)
	target.add_child(body)
	mount.add_child(target)
	await process_frame

	var data := FlyObject.FlyData.new()
	data.init_vel = 10.0
	data.flat_range = 30.0
	data.bomb_range = 0.1
	var inst = manager.spawn(Vector3.ZERO, target, false, data)
	var expected_center := FlyTargetAnchor.fly_target_position(target)
	_ck(inst.target_position().distance_to(expected_center) < 0.0001,
			"object target uses OnGetFlyTargetPosition-equivalent body centre")

	if manager.has_method("notify_target_despawn"):
		manager.notify_target_despawn(target)
	else:
		_ck(false, "FlyManager exposes target-despawn notification")
	_ck(not inst._is_object and inst._target_obj == null,
			"destroyed Actor converts object target to position target immediately")
	_ck(inst.target_position().distance_to(expected_center) < 0.0001,
			"converted target retains last target position")

	target.free()
	manager.step(0.01)
	_ck(inst.alive, "projectile remains valid after target node is destroyed")

	manager.clear_for_map_change()
	manager.free()
	mount.free()
	await process_frame
	if _failures == 0:
		print("PASS: fly_target_lifecycle_test")