extends SceneTree

## Dev tool: screenshot the third-person over-the-shoulder framing, the Alt
## free-look orbit, and the spring-back. Run:
##   godot --path . --windowed --resolution 1280x720 -s res://debug/orbit_capture.gd -- <out_dir>

var _frames := 0
var _out_dir := "."
var _player: Node = null
var _rig: Node = null


func _initialize() -> void:
	var args := OS.get_cmdline_user_args()
	if args.size() > 0:
		_out_dir = args[0]
	change_scene_to_file("res://ui/main_menu/main_menu.tscn")


func _process(_delta: float) -> bool:
	_frames += 1
	if _frames == 40:
		var sm = root.get_node_or_null("SkinManager")
		if sm:
			sm.set_active_skin("taila")
		var nm = root.get_node_or_null("NetworkManager")
		if nm and nm.has_method("start_singleplayer_match"):
			nm.start_singleplayer_match(GameMode.DEATHMATCH)
		change_scene_to_file("res://scenes/maps/test_level/test_level.tscn")
	elif _frames == 160:
		for p in root.find_children("*", "CharacterBody3D", true, false):
			if p.has_method("set_third_person") and p.is_multiplayer_authority():
				_player = p
				break
		if not _player:
			printerr("orbit_capture: no player")
			return true
		_rig = _player.get_node_or_null("HeadPivot")
		_player.set_third_person(true)
	elif _frames == 220:
		_shot("ots_default")   # over-the-shoulder framing, no orbit
	elif _frames > 220 and _frames <= 280:
		# Simulate holding Alt: force the orbit angles every frame (the
		# spring-back fights us since Alt isn't really down, so keep writing).
		_rig._orbit_yaw = 1.9
		_rig._orbit_pitch = -0.25
	elif _frames == 281:
		_shot("orbit_side")    # camera swung around toward the front
	elif _frames == 320:
		_shot("sprung_back")   # ~0.65s after release: should be behind again
		return true
	return false


func _shot(tag: String) -> void:
	var img := root.get_viewport().get_texture().get_image()
	var path := _out_dir + "/" + tag + ".png"
	img.save_png(path)
	print("orbit_capture: saved ", path)