refactor to state machine

scripts/multiplayer/input.gd

@@ -0,0 +1,16 @@
+extends MultiplayerSynchronizer
+
+@export var direction: Vector2 = Vector2.ZERO
+@export var walking: bool = false
+
+func _ready() -> void:
+	if multiplayer.is_server() or get_multiplayer_authority() != multiplayer.get_unique_id():
+		set_process(false)
+		set_physics_process(false)
+		return
+
+func _physics_process(_delta: float) -> void:
+	var directional_input := Input.get_vector("move_right", "move_left", "move_forward", "move_back")
+	var camera_adjusted: Vector3 = (directional_input.x * %CameraTarget.global_basis.z) + (directional_input.y * %CameraTarget.global_basis.x)
+	direction = Vector2(camera_adjusted.x, camera_adjusted.z).rotated(PI / 2.0).normalized()
+	walking = Input.is_action_pressed("walk")