make multiplayer input consider devices

scripts/globals/inputer.gd

@@ -69,6 +69,25 @@ func get_action_prompt(action: StringName) -> String:
 	return _get_event_prompt(events[0]) if events.size() != 0 else "???"
 
 
+func get_vector_from_raw_strengths(
+	negative_x: float,
+	positive_x: float,
+	negative_y: float,
+	positive_y: float,
+	deadzone := 0.5
+) -> Vector2:
+	var vector := Vector2(positive_x - negative_x, positive_y - negative_y)
+
+	var length := vector.length()
+
+	if length <= deadzone:
+		return Vector2.ZERO
+	if length > 1.0:
+		return vector.normalized()
+
+	return vector * inverse_lerp(deadzone, 1.0, length) / length
+
+
 func get_event_mode(event: InputEvent) -> Mode:
 	if event is InputEventJoypadButton or event is InputEventJoypadMotion:
 		return Mode.CONTROLLER