refactor(*): Make hud more performant and maintainable

Game/scripts/HUDController.gd

@@ -0,0 +1,102 @@
+# HUD Controller - handles all display logic and label updates
+# Receives ship data via signals and updates UI accordingly
+# Simplified version focusing on labels only
+extends CanvasLayer
+class_name HUDController
+
+# UI Label References
+@onready var timer_label = get_node("Control/TimerLabel")
+@onready var speed_label = get_node("Control/InfoPanel/SpeedLabel") 
+@onready var altitude_label = get_node("Control/InfoPanel/AltitudeLabel")
+@onready var angular_vel_label = get_node("Control/InfoPanel/AngularVelLabel")
+@onready var camera_mode_label = get_node("Control/InfoPanel/CameraModeLabel")
+@onready var attitude_label = get_node("Control/InfoPanel/AttitudeLabel")
+@onready var heading_label = get_node("Control/InfoPanel/HeadingLabel")
+@onready var thrust_label = get_node("Control/InfoPanel/ThrustLabel")
+
+var ship: Node
+
+func _ready():
+	# Wait one frame to ensure ship is ready and added to group
+	await get_tree().process_frame
+	_initialize_hud()
+
+func _initialize_hud():
+	# Find the ship
+	ship = get_tree().get_first_node_in_group("ship")
+	if not ship:
+		# Try to find it as our parent (ship contains this HUD)
+		var parent_node = get_parent()
+		if parent_node and parent_node.is_in_group("ship"):
+			ship = parent_node
+		else:
+			push_error("HUDController: No ship found in 'ship' group")
+			return
+	
+	print("HUDController: Found ship: ", ship.name)
+	_connect_ship_signals()
+	
+	# Connect to game manager's timer signal
+	var game_manager = get_tree().get_first_node_in_group("game")
+	if game_manager and game_manager.has_signal("timer_updated"):
+		game_manager.timer_updated.connect(_on_timer_updated)
+		print("HUDController: Connected to game timer")
+
+func _connect_ship_signals():
+	# Connect ship signals to label update methods
+	if ship.has_signal("speed_changed"):
+		ship.speed_changed.connect(_on_ship_speed_changed)
+		print("HUDController: Connected to speed_changed signal")
+	if ship.has_signal("altitude_changed"):
+		ship.altitude_changed.connect(_on_ship_altitude_changed)
+	if ship.has_signal("angular_velocity_changed"):
+		ship.angular_velocity_changed.connect(_on_ship_angular_velocity_changed)
+	if ship.has_signal("camera_mode_changed"):
+		ship.camera_mode_changed.connect(_on_ship_camera_mode_changed)
+	if ship.has_signal("attitude_changed"):
+		ship.attitude_changed.connect(_on_ship_attitude_changed)
+	if ship.has_signal("heading_changed"):
+		ship.heading_changed.connect(_on_ship_heading_changed)
+	if ship.has_signal("thrust_changed"):
+		ship.thrust_changed.connect(_on_ship_thrust_changed)
+
+# Signal handlers for ship data - these update the legacy text labels
+# All handlers include null checks for robustness
+func _on_ship_speed_changed(speed: float):
+	if speed_label and is_instance_valid(speed_label):
+		speed_label.text = "Speed: %.1f m/s" % speed
+
+func _on_ship_altitude_changed(altitude: float):
+	if altitude_label and is_instance_valid(altitude_label):
+		altitude_label.text = "Altitude: %.1f m" % altitude
+
+func _on_ship_angular_velocity_changed(angular_speed: float):
+	if angular_vel_label and is_instance_valid(angular_vel_label):
+		angular_vel_label.text = "Angular Vel: %.2f rad/s" % angular_speed
+
+func _on_ship_camera_mode_changed(is_ball_cam: bool):
+	if camera_mode_label and is_instance_valid(camera_mode_label):
+		var camera_mode = "Ball Cam" if is_ball_cam else "Ship Cam"
+		camera_mode_label.text = "Camera: %s" % camera_mode
+
+func _on_ship_attitude_changed(pitch: float, roll: float, yaw: float):
+	if attitude_label and is_instance_valid(attitude_label):
+		attitude_label.text = "Pitch: %.0f° Roll: %.0f°" % [pitch, roll]
+
+func _on_ship_heading_changed(heading_degrees: float):
+	if heading_label and is_instance_valid(heading_label):
+		heading_label.text = "Heading: %.0f°" % heading_degrees
+
+func _on_ship_thrust_changed(thrust_percent: float):
+	if thrust_label and is_instance_valid(thrust_label):
+		thrust_label.text = "Thrust: %.0f%%" % thrust_percent
+
+# Timer signal handler from game manager (restored original functionality)
+func _on_timer_updated(minutes: int, seconds: int):
+	if timer_label and is_instance_valid(timer_label):
+		timer_label.text = "%02d:%02d" % [minutes, seconds]
+
+# Simple timer update method (kept for compatibility)
+func update_timer(time_text: String):
+	if timer_label and is_instance_valid(timer_label):
+		timer_label.text = time_text