Erebus Alpha's Modified GravDrive Code

//Configurable variables
//  the word "const" tells the compiler that this variable will never change
const string gravGenGroupName = "Gravdrive Coils";
const string artMassGroupName = "Gravdrive AMUs";


//dont touch this :P
string GravDriveState = "Off"; //this makes a GLOBAL variable that is stored outside any code.
    //it can be accessed/written to from anywhere in the code

public void Main(string argument)
{

    switch (argument) //this begins comparing the argument to out accepted cases
    {
        case "fwdmax":

            if ( GravDriveState == "FMax" ) //there is no semicolon after if statenemts
            {
                SetGravityDriveStrength(gravGenGroupName, artMassGroupName, false);
                GravDriveState = "Off";
            }
            else
            {
                SetGravityDriveStrength(gravGenGroupName, artMassGroupName, true, -1f);
                GravDriveState = "FMax";
            }

            break;

        case "revmax":

            if (GravDriveState == "RMax")
            {
                SetGravityDriveStrength(gravGenGroupName, artMassGroupName, false);
                GravDriveState = "Off";
            }
            else
            {
                SetGravityDriveStrength(gravGenGroupName, artMassGroupName, true, 1f);
                GravDriveState = "RMax";
            }

            break;

        case "fwdlow":

            if (GravDriveState == "FLow")
            {
                SetGravityDriveStrength(gravGenGroupName, artMassGroupName, false);
                GravDriveState = "Off";
            }
            else
            {
                SetGravityDriveStrength(gravGenGroupName, artMassGroupName, true, -0.35f);
                GravDriveState = "FLow";
            }

            break;

        case "revlow":

            if (GravDriveState == "RLow")
            {
                SetGravityDriveStrength(gravGenGroupName, artMassGroupName, false);
                GravDriveState = "Off";
            }
            else
            {
                SetGravityDriveStrength(gravGenGroupName, artMassGroupName, true, 0.35f);
                GravDriveState = "RLow";
            }

            break;

        default:
            break;
    }
}

void SetGravityDriveStrength(string gravityGenGroupName, string artMassGroupName, bool turnOn, float gravityRatio = 0f)
{
    var GravCoils = GridTerminalSystem.GetBlockGroupWithName(gravityGenGroupName);
    var GravDrive = new List<IMyGravityGenerator>();
    GravCoils.GetBlocksOfType(GravDrive);

    var GravAMU = GridTerminalSystem.GetBlockGroupWithName(artMassGroupName);
    var GravMass = new List<IMyGravityGenerator>();
    GravAMU.GetBlocksOfType(GravMass);

    if (!turnOn)
    {
        foreach (var ThisGrav in GravDrive)
        {
            ThisGrav.ApplyAction("OnOff_Off");
        }

        foreach (var ThisMass in GravMass)
        {
            ThisMass.ApplyAction("OnOff_Off");
        }
    }
    else
    {
        foreach (var ThisGrav in GravDrive)
        {
            ThisGrav.SetValue("Gravity", gravityRatio * 9.81f);
            ThisGrav.ApplyAction("OnOff_On");
        }

        foreach (var ThisMass in GravMass)
        {
            ThisMass.ApplyAction("OnOff_On");
        }
    }
}