public void onAction(String name, boolean keyPressed, float tpf) {
          if (name.equals("KEY_R") && !keyPressed) {}

          if (name.equals("KEY_F10") && !keyPressed) {
            showMainMenu();
          }

          if (name.equals("LMB") && !keyPressed) {
            CollisionResults results = new CollisionResults();

            Vector2f click2d = app.getInputManager().getCursorPosition();
            Vector3f click3d =
                app.getCamera().getWorldCoordinates(new Vector2f(click2d.x, click2d.y), 0f).clone();
            Vector3f dir =
                app.getCamera()
                    .getWorldCoordinates(new Vector2f(click2d.x, click2d.y), 1f)
                    .subtractLocal(click3d);
            Ray ray = new Ray(click3d, dir);

            /* Collect intersections between Ray and nodes in results list */
            resourceNodes.collideWith(ray, results);
            farmNodes.collideWith(ray, results);
            locationNodes.collideWith(ray, results);

            if (results.size() > 0) {
              CollisionResult closest = results.getClosestCollision();

              Geometry geom = closest.getGeometry();
              String geomName = geom.getName();

              if (geom.getUserData(geomName) instanceof Farm) {
                Farm farm = (Farm) geom.getUserData(geomName);
                setMessageHUD("Clicked on Farm cost: " + farm.getCost());
              }

              if (geom.getUserData(geomName) instanceof Location) {
                Location loc = (Location) geom.getUserData(geomName);
                setMessageHUD("Clicked on Location: " + loc.getName());
              }

              if (geom.getUserData(geomName) instanceof Resource) {
                Resource res = (Resource) geom.getUserData(geomName);
                Integer cost = null;

                if (res.getType() == Resource.CHICK) {
                  cost = gm.getResourceManager().getCurrentPriceChicken();
                } else if (res.getType() == Resource.LAMB) {
                  cost = gm.getResourceManager().getCurrentPriceLamb();
                } else if (res.getType() == Resource.PIGLET) {
                  cost = gm.getResourceManager().getCurrentPricePiglet();
                } else if (res.getType() == Resource.CALF) {
                  cost = gm.getResourceManager().getCurrentPriceCalf();
                }

                setMessageHUD("Clicked on " + res.getName() + " cost: " + cost);
              }
            }
          }
        }
  private void displayOpenFarms() {
    Vector3f startPos = gm.getMapManager().getBoard().getFarmMarker();

    List<Farm> farms = gm.getFarmManager().getOpenFarms();

    float i = 0;
    for (Farm farm : farms) {
      Box b = new Box(Vector3f.ZERO, 1, 1, 1);
      Geometry geom = new Geometry("Box", b);
      Material mat = new Material(app.getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");

      if (farm.getUsesResourceTypes().get(0) == Resource.CALF) {
        mat.setColor("Color", ColorRGBA.White);
      } else if (farm.getUsesResourceTypes().get(0) == Resource.CHICK) {
        mat.setColor("Color", ColorRGBA.Yellow);
      } else if (farm.getUsesResourceTypes().get(0) == Resource.LAMB) {
        mat.setColor("Color", ColorRGBA.Gray);
      } else if (farm.getUsesResourceTypes().get(0) == Resource.PIGLET) {
        mat.setColor("Color", ColorRGBA.Pink);
      } else if (farm.getUsesResourceTypes().get(0) == Resource.WILDLIFE) {
        mat.setColor("Color", ColorRGBA.Green);
      } else {
        mat.setColor("Color", ColorRGBA.Red);
      }

      geom.setMaterial(mat);
      geom.setLocalTranslation(startPos.x + i, 1, startPos.z + 10);

      String geomName = "FARM_" + farm.getCost().toString();
      geom.setName(geomName);
      geom.setUserData(geomName, farm);

      openFarmNodes.attachChild(geom);

      displayLocationName(
          farm.getCost().toString(), new Vector3f(startPos.x + i, 1, startPos.z + 10));

      i += 5;
    }
  }