Gravity Alarm

public string soundBlockKeyword = "gravity";

public bool inGravity = false;
public List<IMyShipController> controllerList = new List<IMyShipController>();
public List<IMySoundBlock> soundBlockList = new List<IMySoundBlock>();

public Program()
{
    Runtime.UpdateFrequency = UpdateFrequency.Update100;
}

public void Main(string argument)
{
    if (argument.Length > 0)
    {
        Echo("Testing alarm");
        SoundAlarm();
    }
    controllerList.Clear();
    GridTerminalSystem.GetBlocksOfType<IMyShipController>(controllerList);
    if (controllerList.Count > 0)
    {
        double gravity = controllerList[0].GetNaturalGravity().Length();
        Echo($"Current Gravity: {(gravity / 9.81).ToString("N2")}%");
        if (!inGravity && gravity > 0.0)
        {
            inGravity = true;
            SoundAlarm();
        }
        else if (inGravity && gravity == 0.0)
            inGravity = false;
    }
}

public void SoundAlarm()
{
    soundBlockList.Clear();
    string lowerSoundKeyword = soundBlockKeyword.ToLower();
    GridTerminalSystem.GetBlocksOfType<IMySoundBlock>(soundBlockList, b => b.CustomName.ToLower().Contains(lowerSoundKeyword));
    for (int i = 0; i < soundBlockList.Count; i++)
    {
        if (soundBlockList[i].IsSoundSelected) soundBlockList[i].Play();
    }
}