MSCS535_Assignment6/src/Vehicles/Sport.java

package Vehicles;

public class Sport extends Vehicle {
  private int topSpeed;

  public enum GearNumbers {
    R,
    N,
    GEAR_1,
    GEAR_2,
    GEAR_3,
    GEAR_4,
    GEAR_5,
    GEAR_6
  }

  private GearNumbers gear;

  public Sport(String make, String model, int year, int topSpeed) {
    super(make, model, year);
    this.topSpeed = topSpeed;
    this.typeOfEngine = getManualEngineType();
    this.doors = 2;
    this.gear = this.setGear(0);
  }

  private GearNumbers setGear(int gear) {
    switch (gear) {
      case -1:
        return GearNumbers.R;
      case 0:
        return GearNumbers.N;
      case 1:
        return GearNumbers.GEAR_1;
      case 2:
        return GearNumbers.GEAR_2;
      case 3:
        return GearNumbers.GEAR_3;
      case 4:
        return GearNumbers.GEAR_4;
      case 5:
        return GearNumbers.GEAR_5;
      case 6:
        return GearNumbers.GEAR_6;
      default:
        return GearNumbers.N;
    }
  }

  public double getTopSpeed() {
    if (this.gear == GearNumbers.N || this.gear == GearNumbers.R) {
      return 0;
    }
    switch (this.gear) {
      case GEAR_1:
        return topSpeed * 0.2;
      case GEAR_2:
        return topSpeed * 0.35;
      case GEAR_3:
        return topSpeed * 0.5;
      case GEAR_4:
        return topSpeed * 0.65;
      case GEAR_5:
        return topSpeed * 0.8;
      case GEAR_6:
        return topSpeed;
      default:
        return 0;
    }
  }

  @Override
  public String forward() {
    if (this.gear == GearNumbers.N) {
      this.changeGearUp();
    } else if (this.gear == GearNumbers.R) {
      this.gear = this.setGear(1);
    }
    return "The sport vehicle is zooming forward at high speed!";
  }

  @Override
  public String reverse() {
    if (this.gear != GearNumbers.R) {
      this.gear = this.setGear(-1);
    }
    return "The sport vehicle is reversing quickly!";
  }

  @Override
  public String stop() {
    if (this.gear != GearNumbers.N) {
      this.setGearToNeutral();
    }
    return "The sport vehicle screeches to a halt!";
  }

  public String drift() {
    if (this.gear == GearNumbers.N || this.gear == GearNumbers.R) {
      return "Cannot drift while in Neutral or Reverse gear!";
    }
    return "The sport vehicle is drifting around the corner!";
  }

  public String nitroBoost() {
    if (this.gear == GearNumbers.N || this.gear == GearNumbers.R) {
      return "Cannot activate nitro boost while in Neutral or Reverse gear!";
    }
    if (this.gear != GearNumbers.GEAR_6) {
      this.gear = this.setGear(6);
    }
    return "The sport vehicle activates nitro boost for extra speed!";
  }

  public void changeGearUp() {
    switch (this.gear) {
      case R:
        this.gear = this.setGear(0);
        break;
      case N:
        this.gear = this.setGear(1);
        break;
      case GEAR_1:
        this.gear = this.setGear(2);
        break;
      case GEAR_2:
        this.gear = this.setGear(3);
        break;
      case GEAR_3:
        this.gear = this.setGear(4);
        break;
      case GEAR_4:
        this.gear = this.setGear(5);
        break;
      case GEAR_5:
        this.gear = this.setGear(6);
        break;
    }
  }

  public GearNumbers getGear() {
    return this.gear;
  }

  public void changeGearDown() {
    switch (this.gear) {
      case GEAR_6:
        this.gear = this.setGear(5);
        break;
      case GEAR_5:
        this.gear = this.setGear(4);
        break;
      case GEAR_4:
        this.gear = this.setGear(3);
        break;
      case GEAR_3:
        this.gear = this.setGear(2);
        break;
      case GEAR_2:
        this.gear = this.setGear(1);
        break;
      case GEAR_1:
        this.gear = this.setGear(1);
        break;
      case N:
        this.gear = this.setGear(-1);
        break;
    }
  }

  public void setGearToNeutral() {
    this.gear = GearNumbers.N;
  }
}