extends SceneTree
func _initialize() -> void:
	call_deferred("run")
func run() -> void:
	var game = load("res://games/galaga/Galaga.tscn").instantiate()
	root.add_child(game)
	game.set_physics_process(false)
	game.start_game()
	assert(game.state=="intro" and not game.player.visible)
	game.field._process(0)
	assert(not game.player.visible)
	game._tick(game.intro_seconds+0.01)
	assert(game.state=="stage_card" and not game.player.visible)
	game._tick(game.stage_card_seconds+0.01)
	assert(game.state=="ready" and game.player.visible)
	game._tick(game.player_card_seconds+0.01)
	assert(game.state=="playing")
	# Different formation slots must share the same pre-docking entrance curve.
	game.enemies[0].time=0.4
	game.enemies[1].time=0.4
	game._update_enemies(0)
	assert(game.enemies[0].node.position.is_equal_approx(game.enemies[1].node.position))
	for enemy in game.enemies: assert(enemy.node.scale==Vector2.ONE)
	var boss: Dictionary = game.enemies[0]
	boss.mode="beam"
	boss.time=0
	boss.node.position=Vector2(112,172)
	game.beam=boss
	game._update_enemies(0.01)
	assert(game.state=="capturing")
	game._sound("fire")
	for voice in game.voices:
		if voice.playing: assert(voice.stream==game.streams["capturing"])
	game._tick(1.6)
	assert(game.lives==2 and game.captive.visible and not game.player.visible)
	for i in range(400):
		if game.state=="playing": break
		game._tick(1.0/60.0)
	assert(game.state=="playing" and game.player.visible)
	boss.node.position=Vector2(112,100)
	game.captive.position=Vector2(112,84)
	boss.hp=1
	game._bullet(Vector2(112,100),Vector2.ZERO,true)
	game._update_bullets(0)
	assert(game.state=="rescue_spin" and game.captor.is_empty())
	var frozen: Vector2=game.enemies[0].node.position
	game._tick(0.1)
	assert(game.enemies[0].node.position==frozen)
	for i in range(600):
		if game.state=="playing": break
		game._tick(1.0/60.0)
	assert(game.dual and not game.captive.visible)
	game._tick(0.01)
	game._clear_bullets()
	game.cooldown=0
	game._fire()
	assert(game.bullets.size()==2)
	assert(absf(game.bullets[0].node.position.x-game.bullets[1].node.position.x)==16)
	game._die()
	assert(not game.dual and game.lives==2 and game.state=="playing")
	game.reset_game()
	assert(game.captor.is_empty() and not game.captive.visible and not game.dual)
	print("CAPTURE AND INTRO TESTS PASS")
	game.queue_free()
	await process_frame
	quit()