extends Node
func _ready() -> void:
	GameState.system_seed = 8428159
	var game := preload("res://scenes/game/game.tscn").instantiate()
	add_child(game)
	await get_tree().process_frame
	var manager := game.get_node("PlanetExpeditions")
	for enemy in get_tree().get_nodes_in_group("enemies"):
		enemy.position = Vector2(9000,9000)
	game.player.position = game.protected_planet.position
	manager.scan_nearby()
	manager.land_nearby()
	var surface: Control = manager.screen
	var audio: AudioStreamPlayer = surface.get_node("EngineAudio")
	var engine: Node2D = surface.lander.get_node("EngineVisual")
	assert(audio.get_script() == preload("res://scripts/game/ship_engine_audio.gd"))
	assert(audio.stream is AudioStreamMP3 and audio.stream.loop and audio.playing)
	assert(engine.nozzle_positions.size() == 2 and engine.nozzle_positions[0].x < 0 and engine.nozzle_positions[1].x > 0)
	Input.action_press("ship_thrust")
	audio._process(1.0)
	engine._process(0.25)
	assert(surface.engine_thrust_active() and engine._strength == 1 and audio.volume_db == -11)
	await get_tree().process_frame
	await RenderingServer.frame_post_draw
	get_viewport().get_texture().get_image().save_png("res://artifacts/lander_engines_normal.png")
	Input.action_press("ship_mini_boost")
	surface._physics_process(1.0/60)
	engine._process(0.1)
	assert(engine._boost)
	await get_tree().process_frame
	await RenderingServer.frame_post_draw
	get_viewport().get_texture().get_image().save_png("res://artifacts/lander_engines_boost.png")
	surface._dialog.show()
	assert(not surface.engine_thrust_active())
	audio._process(1)
	engine._process(0.3)
	assert(audio.volume_db == -60 and engine._strength == 0)
	surface._dialog.hide()
	Input.action_release("ship_thrust")
	Input.action_release("ship_mini_boost")
	surface._physics_process(1.0/60)
	assert(not surface.engine_thrust_active())
	surface._ending = true
	assert(not surface.engine_thrust_active())
	var instance := audio.get_instance_id()
	manager.finish_surface(true)
	await get_tree().process_frame
	await get_tree().process_frame
	assert(not is_instance_id_valid(instance))
	game.queue_free()
	await get_tree().process_frame
	print("LANDER ENGINE PASS: ship MP3, twin nozzle positions, thrust, boost, POI silence, coast silence, shutdown cleanup")
	get_tree().quit()