extends Node2D

# Preview, not a test - #58's aim-state screenshot: two laser ships (one
# ready, one rearming), aiming with the beam preview drawn and enemies
# placed along its line.
#
#   bash tests/screenshot.sh res://tests/_laser_aim_preview.tscn /tmp/laser.png 20 720x1280


func _ready() -> void:
	GameState.buildings.clear()
	GameState.extractors.clear()
	GameState.transporters.clear()
	GameState.vessel_levels["unlock_laser"] = 1
	var main: Node = load("res://Main.tscn").instantiate()
	add_child(main)
	main.get_node("BackgroundLayer").visible = false
	main.get_node("AsteroidField").visible = false
	main.get_node("PlanetField").visible = false
	main.get_node("BuildingField").visible = false
	main.get_node("EnemySpawner").set_process(false)
	main.get_node("AsteroidField").set_process(false)
	var fleet: Node = main.get_node("Fleet")
	fleet.spawn_ships(4, Vector2.ZERO, PackedStringArray([
		GameState.VESSEL_INTERCEPTOR, GameState.VESSEL_SHIELD,
		GameState.VESSEL_LASER, GameState.VESSEL_LASER]))
	var skill: Node = main.get_node("LaserController")
	skill._process(0.0)
	# Show both per-ship states in one frame: one laser ship rearming, the
	# other ready and supplying the shot.
	var rearming: Node = fleet.ships[2].get_component("laser")
	rearming.consume_shot()
	rearming.tick(rearming.cooldown_duration * 0.5)
	main.get_node("Camera2D").zoom = Vector2(1.8, 1.8)
	var button: Control = main.get_node("UI/LaserButton")
	var press := InputEventScreenTouch.new()
	press.index = 9
	press.position = button.global_position + button.size * 0.5
	press.pressed = true
	skill.handle_touch(press)
	var drag := InputEventScreenDrag.new()
	drag.index = 9
	drag.position = press.position + Vector2(-245.0, -235.0)
	skill.handle_drag(drag)
	for t in [0.35, 0.6]:
		var enemy: Node = load("res://Enemy.tscn").instantiate()
		enemy.position = fleet.get_centroid().lerp(skill.aim_target, t)
		main.add_child(enemy)
		enemy.speed = 0.0   # after add_child - _ready() sets it from the definition