extends SceneTree
func _initialize() -> void:
	call_deferred("run_test")
func run_test() -> void:
	var world := Node3D.new()
	root.add_child(world)
	var room := Node3D.new()
	room.set_script(load("res://scripts/room.gd"))
	world.add_child(room)
	var light := OmniLight3D.new()
	light.position = Vector3(0, 4, 0)
	light.omni_range = 24
	light.light_energy = 4
	world.add_child(light)
	var player := CharacterBody3D.new()
	player.set_script(load("res://scripts/player.gd"))
	player.position.y = 0.1
	world.add_child(player)
	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
	await create_timer(0.2).timeout
	player.camera.rotation.x = 0.12
	var aim: Vector3 = player.camera.rotation
	player.take_damage(12)
	assert(player.hp == 88)
	assert(player.damage_feedback.blood_left > 0)
	assert(player.damage_feedback.splats.size() == 7)
	await create_timer(0.06).timeout
	assert(player.damage_pivot.position.length() > 0.0001)
	assert(player.camera.rotation.is_equal_approx(aim))
	if DisplayServer.get_name() != "headless":
		await RenderingServer.frame_post_draw
		root.get_texture().get_image().save_png("/tmp/zombie-player-hit.png")
	# Multiple hits reuse a bounded pool; no camera offset accumulates.
	player.take_damage(12)
	player.take_damage(12)
	assert(player.damage_feedback.intensity <= 1)
	assert(player.damage_feedback.splats.size() == 7)
	await create_timer(1.35).timeout
	assert(player.damage_pivot.transform.is_equal_approx(Transform3D.IDENTITY))
	assert(player.camera.rotation.is_equal_approx(aim))
	assert(player.damage_feedback.blood_left == 0)
	player.take_damage(12)
	player.take_damage(1000)
	assert(not player.damage_feedback.active)
	assert(player.damage_pivot.transform.is_equal_approx(Transform3D.IDENTITY))
	await create_timer(3).timeout
	assert(player.camera.position.y < 0.25)
	assert(player.death_overlay.color.a > 0.99)
	print("PASS: damage shake, screen blood, aim preserved, repeated hits bounded, camera reset, death fade intact")
	world.queue_free()
	await process_frame
	quit()